/* ════════════════════════════════════════════════════════════
   KSeF Client 2.0  —  Design System
   ════════════════════════════════════════════════════════════ */

:root {
  /* Sidebar */
  --sb-bg:      #0f1629;
  --sb-hover:   #1a2744;
  --sb-active:  #1e3a5f;
  --sb-text:    #94a3b8;
  --sb-hi:      #e2e8f0;
  --sb-border:  rgba(255,255,255,.06);
  --sb-w:       240px;

  /* Surface */
  --top-bg:     #ffffff;
  --body-bg:    #f0f4f8;
  --card-bg:    #ffffff;
  --card-border:#e8edf4;
  --input-border:#b8c4d4;

  /* Brand */
  --brand:      #1e40af;
  --brand-mid:  #2563eb;
  --brand-lite: #3b82f6;
  --brand-pale: #eff6ff;

  /* Text */
  --tx-main:    #0f172a;
  --tx-mid:     #475569;
  --tx-muted:   #64748b;
  --tx-faint:   #94a3b8;

  /* Radius */
  --r-card:     14px;
  --r-sm:       8px;
  --r-pill:     999px;

  /* Transition */
  --t:          .18s ease;

  /* Layout heights */
  --top-h:      56px;
  --sb-h:       44px;
}

/* ── Reset ──────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
       font-size: 14px; color: var(--tx-main); background: var(--sb-bg);
       -webkit-font-smoothing: antialiased; }
button { font-family: inherit; cursor: pointer; }
input, select { font-family: inherit; }
a { color: inherit; text-decoration: none; }

/* ── Root grid ──────────────────────────────────────────── */
.k2 {
  display: grid;
  grid-template-rows: var(--top-h) 1fr var(--sb-h);
  height: 100vh;
  overflow: hidden;
}

/* ── Top bar ─────────────────────────────────────────────── */
.k2-top {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 0 18px;
  background: var(--sb-bg);
  border-bottom: 1px solid var(--sb-border);
}
.k2-top-app-logo {
  display: flex;
  align-items: center;
  flex: 0 0 auto;
  text-decoration: none;
  opacity: .9;
  transition: opacity .2s;
}
.k2-top-app-logo:hover { opacity: 1; }
.k2-top-app-logo img {
  height: 28px;
  width: auto;
  display: block;
  filter: brightness(0) invert(1);
}
.k2-top-logo-sep {
  width: 1px;
  height: 20px;
  background: rgba(255,255,255,.18);
  flex: 0 0 auto;
}
.k2-top-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--sb-hi);
}
/* ── Global search ──────────────────────────────────────────  */
.k2-gsearch-wrap {
  position: relative;
  flex-shrink: 0;
}
.k2-gsearch-box {
  display: flex;
  align-items: center;
  gap: 6px;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 8px;
  padding: 0 10px;
  height: 32px;
  transition: background var(--t), border-color var(--t), box-shadow var(--t);
  width: 200px;
}
.k2-gsearch-box:focus-within {
  background: rgba(255,255,255,.13);
  border-color: rgba(255,255,255,.25);
  box-shadow: 0 0 0 2px rgba(59,130,246,.3);
  width: 280px;
}
.k2-gsearch-ico { color: rgba(255,255,255,.5); font-size: .82rem; flex-shrink: 0; }
.k2-gsearch-input {
  flex: 1;
  border: none;
  outline: none;
  background: transparent;
  color: var(--sb-hi);
  font-size: .82rem;
  font-family: inherit;
  min-width: 0;
}
.k2-gsearch-input::placeholder { color: rgba(255,255,255,.35); }
.k2-gsearch-clear {
  border: none;
  background: transparent;
  color: rgba(255,255,255,.35);
  cursor: pointer;
  font-size: .7rem;
  padding: 0 2px;
  line-height: 1;
  display: none;
}
.k2-gsearch-clear.show { display: block; }
.k2-gsearch-clear:hover { color: rgba(255,255,255,.7); }

/* Dropdown */
.k2-gsearch-dropdown {
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  width: 380px;
  max-height: 440px;
  overflow-y: auto;
  background: var(--card-bg);
  border: 1.5px solid var(--card-border);
  border-radius: 12px;
  box-shadow: 0 16px 48px rgba(0,0,0,.18);
  z-index: 500;
  display: none;
  scrollbar-width: thin;
}
.k2-gsearch-dropdown.open { display: block; }

.k2-gsd-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px 6px;
  font-size: .7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--tx-faint);
  border-bottom: 1px solid var(--card-border);
}
.k2-gsd-more {
  border: none;
  background: transparent;
  color: var(--brand-lite);
  font-size: .72rem;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
  padding: 0;
}
.k2-gsd-more:hover { color: var(--brand); }

.k2-gsd-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 14px;
  cursor: pointer;
  transition: background var(--t);
  border-bottom: 1px solid rgba(0,0,0,.04);
  text-decoration: none;
  color: inherit;
}
.k2-gsd-item:last-child { border-bottom: none; }
.k2-gsd-item:hover, .k2-gsd-item.focused { background: var(--brand-pale); }
.k2-gsd-item-icon {
  font-size: 1.1rem;
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--body-bg);
  border-radius: 7px;
  flex-shrink: 0;
}
.k2-gsd-item-body { flex: 1; min-width: 0; }
.k2-gsd-item-title {
  font-size: .83rem;
  font-weight: 600;
  color: var(--tx-main);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.k2-gsd-item-title mark {
  background: color-mix(in srgb, var(--brand-lite) 20%, transparent);
  color: var(--brand);
  border-radius: 2px;
  padding: 0 1px;
  font-style: normal;
}
.k2-gsd-item-sec {
  font-size: .68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--tx-faint);
  margin-top: 1px;
}
.k2-gsd-empty {
  padding: 16px 14px;
  font-size: .82rem;
  color: var(--tx-muted);
  text-align: center;
}
.k2-gsd-footer {
  padding: 8px 14px;
  border-top: 1px solid var(--card-border);
  font-size: .74rem;
  color: var(--tx-faint);
  text-align: center;
}
.k2-gsd-footer a {
  color: var(--brand-lite);
  cursor: pointer;
  font-weight: 600;
}
.k2.k2--dark .k2-gsd-item:hover,
.k2.k2--dark .k2-gsd-item.focused { background: #1e2d45; }
.k2.k2--dark .k2-gsd-item-icon { background: #1a2744; }
@media (max-width: 900px) {
  .k2-gsearch-box { width: 140px; }
  .k2-gsearch-box:focus-within { width: 200px; }
  .k2-gsearch-dropdown { width: 320px; }
}
@media (max-width: 640px) {
  .k2-gsearch-wrap { display: none; }
}

.k2-top-back-btn {
  display: inline-flex;
  align-items: center;
  padding: 5px 12px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.35);
  background: rgba(15,23,42,.2);
  color: #e2e8f0;
  font-size: .78rem;
  font-weight: 300;
  text-decoration: none;
  white-space: nowrap;
  transition: background .2s, box-shadow .2s;
}
.k2-top-back-btn:hover {
  background: rgba(15,23,42,.4);
  box-shadow: 0 0 0 1px rgba(125,211,252,.7);
}

/* ── Pobierz program button ─────────────────────────────────  */
.k2-pobierz-wrap {
  position: relative;
  flex-shrink: 0;
}
.k2-pobierz-btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 16px;
  border-radius: 8px;
  background: linear-gradient(135deg, #16a34a 0%, #15803d 100%);
  color: #fff;
  font-size: .82rem;
  font-weight: 700;
  white-space: nowrap;
  text-decoration: none;
  border: none;
  cursor: pointer;
  box-shadow: 0 2px 10px rgba(22,163,74,.45);
  transition: box-shadow var(--t), transform var(--t), background var(--t);
  letter-spacing: .01em;
}
.k2-pobierz-btn:hover {
  background: linear-gradient(135deg, #15803d 0%, #166534 100%);
  box-shadow: 0 4px 18px rgba(22,163,74,.6);
  transform: translateY(-1px);
  color: #fff;
}
.k2-pobierz-btn:active { transform: none; }
.k2-pobierz-btn svg { flex-shrink: 0; }

/* Tooltip */
.k2-pobierz-tip {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  width: 230px;
  background: #1e293b;
  color: #e2e8f0;
  font-size: .8rem;
  line-height: 1.55;
  padding: 12px 14px;
  border-radius: 10px;
  box-shadow: 0 8px 32px rgba(0,0,0,.35);
  border: 1px solid rgba(255,255,255,.1);
  pointer-events: none;
  opacity: 0;
  transform: translateY(-4px);
  transition: opacity .18s ease, transform .18s ease;
  z-index: 600;
}
.k2-pobierz-tip::before {
  content: '';
  position: absolute;
  top: -6px;
  right: 18px;
  width: 12px;
  height: 12px;
  background: #1e293b;
  border-left: 1px solid rgba(255,255,255,.1);
  border-top: 1px solid rgba(255,255,255,.1);
  transform: rotate(45deg);
}
.k2-pobierz-wrap:hover .k2-pobierz-tip {
  opacity: 1;
  transform: translateY(0);
}
@media (max-width: 640px) { .k2-pobierz-btn span { display: none; } }
@media (max-width: 480px) { .k2-pobierz-wrap { display: none; } }
.k2-logo-block {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 2px;
}
.k2-logo-row1, .k2-logo-row2 {
  display: flex;
  align-items: center;
  gap: 8px;
}
.k2-logo-name {
  margin: 0;
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: -.01em;
  color: #f1f5f9;
  white-space: nowrap;
}
.k2-logo-ver {
  font-size: .68rem;
  font-weight: 600;
  color: rgba(147,197,253,.8);
  letter-spacing: .03em;
  white-space: nowrap;
}
.k2-logo-subtitle2 {
  font-size: .72rem;
  font-weight: 600;
  color: rgba(203,220,240,.85);
  letter-spacing: .01em;
  white-space: nowrap;
}
.k2-logo-free-badge {
  display: inline-block;
  font-size: .72rem;
  font-weight: 800;
  letter-spacing: .06em;
  padding: 1px 7px 2px;
  border-radius: 5px;
  background: linear-gradient(135deg, #22d3ee 0%, #3b82f6 100%);
  color: #fff;
  white-space: nowrap;
  box-shadow: 0 1px 8px rgba(59,130,246,.55);
  vertical-align: middle;
  line-height: 1.5;
  position: relative;
  top: -1px;
}
.k2-logo-sep {
  color: rgba(255,255,255,.25);
  font-size: .7rem;
}
.k2-logo-tagline {
  font-size: .76rem;
  font-weight: 600;
  color: rgba(203,220,240,.95);
  white-space: nowrap;
  letter-spacing: .01em;
}
.k2-logo-tagline a {
  color: #93c5fd;
  text-decoration: none;
  font-weight: 600;
  transition: color .2s;
}
.k2-logo-tagline a:hover { color: #bfdbfe; }
@media (max-width: 1000px) { .k2-logo-sep, .k2-logo-tagline, .k2-logo-subtitle2 { display: none; } }
@media (max-width: 640px)  { .k2-logo-free-badge { display: none; } }

.k2-top-right { margin-left: auto; display: flex; align-items: center; gap: 10px; }

/* ── Przycisk Integrator KSeF w headerze ────────────────── */

/* ── Dark/Light toggle ──────────────────────────────────── */
.k2-dark-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,.28);
  background: rgba(255,255,255,.08);
  cursor: pointer;
  font-size: 15px;
  line-height: 1;
  transition: background .2s, transform .2s;
  flex: 0 0 auto;
}
.k2-dark-toggle:hover {
  background: rgba(255,255,255,.18);
  transform: rotate(20deg);
}

/* ── Dark mode ──────────────────────────────────────────── */
.k2.k2--dark {
  --top-bg:      #1e293b;
  --body-bg:     #0f172a;
  --card-bg:     #1e293b;
  --card-border: #334155;
  --input-border:#4a5a72;
  --tx-main:     #e2e8f0;
  --tx-mid:      #94a3b8;
  --tx-muted:    #64748b;
  --tx-faint:    #475569;
  --brand-pale:  #172554;
}
.k2.k2--dark body,
.k2.k2--dark { color-scheme: dark; }
.k2.k2--dark .k2-main { background: var(--body-bg); }
.k2.k2--dark .k2-set-card,
.k2.k2--dark .k2-priv-card,
.k2.k2--dark .k2-dash-privacy .k2-priv-card { background: var(--card-bg); border-color: var(--card-border); }
/* grid/toolbar/pagination dark → areas/invoices/invoices.css */
.k2.k2--dark .k2-field-inp,
.k2.k2--dark .k2-env-sel { background: #0f172a; color: var(--tx-main); border-color: var(--card-border); }
.k2.k2--dark .k2-field-lbl { color: var(--tx-mid); }
.k2.k2--dark .k2-set-card-head { border-color: var(--card-border); }
.k2.k2--dark .k2-set-card-title { color: var(--tx-main); }
.k2.k2--dark .k2-dash-section-lbl { color: var(--tx-muted); }
.k2.k2--dark .k2-dstat--total { background: #1a2744; border-color: var(--card-border); color: var(--tx-main); }
.k2.k2--dark button.k2-dstat:hover { background: #1e2d45; border-color: #3b82f6; }
.k2.k2--dark .k2-dstat-num { color: var(--tx-main); }
.k2.k2--dark .k2-dstat-lbl { color: var(--tx-muted); }
.k2.k2--dark .k2-set-card-body { color: var(--tx-main); }
.k2.k2--dark .k2-priv-title { color: var(--tx-main); }
.k2.k2--dark .k2-import-info-lbl { color: var(--tx-muted); }
.k2.k2--dark .k2-subject-btn { color: var(--tx-muted); }
.k2.k2--dark .k2-subject-btn.active { color: #60a5fa; }
.k2.k2--dark .k2-list-footer { background: var(--card-bg); border-color: var(--card-border); }
.k2.k2--dark .k2-import-info { background: #0f172a; }
.k2.k2--dark .k2-cert-notice { background: #172554; color: #93c5fd; }
.k2.k2--dark .k2-priv-title { color: var(--tx-main); }
.k2.k2--dark .k2-priv-body { color: var(--tx-mid); }
.k2.k2--dark .k2-priv-body strong { color: var(--tx-main); }
.k2.k2--dark .k2-priv-footer { background: #0d2818; border-color: #166534; color: #86efac; }
.k2.k2--dark .k2-priv-card { background: var(--card-bg); border-color: var(--card-border); }
.k2.k2--dark .k2-priv-tech { background: #0f172a; color: var(--tx-faint); }
.k2.k2--dark .k2-priv-badge--local   { background: #052e16; color: #4ade80; }
.k2.k2--dark .k2-priv-badge--session { background: #1c1200; color: #fbbf24; }
.k2.k2--dark .k2-dpanel { background: var(--card-bg); border-color: var(--card-border); }
.k2.k2--dark .k2-dpanel--warn  { background: #1c1200; border-color: #92400e; }
.k2.k2--dark .k2-dpanel--ok    { background: #052e16; border-color: #166534; }
.k2.k2--dark .k2-dpanel-title  { color: var(--tx-muted); }
.k2.k2--dark .k2-dpanel-body   { color: var(--tx-main); }
.k2.k2--dark .k2-dpanel-sub    { color: var(--tx-muted); }
.k2.k2--dark .k2-statusbar { background: #0a1120; border-color: var(--card-border); color: var(--tx-mid); }
.k2.k2--dark .k2-subject-toggle { background: #0f172a; }
.k2.k2--dark .k2-subject-btn.active { background: #1e293b; }

/* grid/search dark (duplicates) → areas/invoices/invoices.css */
/* buttons */
.k2.k2--dark .k2-btn-ghost { background: #1e293b; border-color: var(--card-border); color: var(--tx-mid); }
.k2.k2--dark .k2-btn-ghost:hover { background: #0f172a; border-color: #475569; }
.k2.k2--dark .k2-btn-danger { background: #1e293b; border-color: #7f1d1d; color: #fca5a5; }
.k2.k2--dark .k2-btn-danger:hover { background: #450a0a; border-color: #991b1b; }
/* modals */
.k2.k2--dark .k2-modal { background: #1e293b; }
.k2.k2--dark .k2-modal-x:hover { background: #450a0a; color: #fca5a5; border-color: #991b1b; }
/* drawer */
.k2.k2--dark .k2-drawer-x:hover { background: #450a0a; color: #fca5a5; border-color: #991b1b; }
/* form fields */
.k2.k2--dark .k2-field-inp { background: #0f172a; color: var(--tx-main); border-color: var(--card-border); }
.k2.k2--dark .k2-field-inp:focus { border-color: #3b82f6; box-shadow: 0 0 0 3px rgba(59,130,246,.18); }
/* file drop */
.k2.k2--dark .k2-file-drop.has-file { background: #052e16; border-color: #166534; color: #4ade80; }
/* cert notice */
.k2.k2--dark .k2-cert-notice { background: #172554; border-color: #1e3a8a; color: #93c5fd; }
/* alerts */
.k2.k2--dark .k2-alert.ok  { background: #052e16; border-color: #166534; color: #86efac; }
.k2.k2--dark .k2-alert.err { background: #450a0a; border-color: #991b1b; color: #fca5a5; }
.k2.k2--dark .k2-alert.inf { background: #172554; border-color: #1e3a8a; color: #93c5fd; }
/* dashboard action panels */
.k2.k2--dark .k2-dpanel--warn { background: #1c1200; border-color: #92400e; }
.k2.k2--dark .k2-dpanel--ok   { background: #052e16; border-color: #166534; }
/* privacy card */
.k2.k2--dark .k2-priv-badge--local   { background: #052e16; color: #4ade80; }
.k2.k2--dark .k2-priv-badge--session { background: #1c1200; color: #fbbf24; }
.k2.k2--dark .k2-priv-tech { background: #0f172a; border-color: var(--card-border); color: var(--tx-faint); }
.k2.k2--dark .k2-priv-footer { background: #052e16; border-color: #166534; color: #86efac; }

.k2-env-badge {
  font-size: .68rem; font-weight: 700; padding: 2px 8px;
  border-radius: var(--r-pill); letter-spacing: .04em;
}
.k2-env-badge.prod { background: rgba(239,68,68,.2);  color: #fca5a5; }
.k2-env-badge.demo { background: rgba(234,179, 8,.2); color: #fde047; }
.k2-env-badge.test { background: rgba(59,130,246,.2); color: #93c5fd; }

.k2-top-status { font-size: .78rem; color: var(--sb-text); }

/* ── Sidebar header ──────────────────────────────────────── */
.k2-sb-head {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 10px;
  height: 52px;
  border-bottom: 1px solid var(--sb-border);
  flex-shrink: 0;
}
.k2-sb-head-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 1 1 auto;
  min-width: 0;
  overflow: hidden;
}
.k2-sb-head-icon { font-size: 1.05rem; flex-shrink: 0; }
.k2-sb-head-name {
  font-size: .82rem;
  font-weight: 700;
  color: var(--sb-hi);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* collapsed header */
.k2.sb-collapsed .k2-sb-head { justify-content: center; padding: 0; }
.k2.sb-collapsed .k2-sb-head-brand { display: none; }

/* ── Sidebar toggle button ───────────────────────────────── */
.k2-sb-toggle-btn {
  width: 32px; height: 32px;
  display: flex; align-items: center; justify-content: center;
  background: transparent;
  border: none;
  border-radius: var(--r-sm);
  color: var(--sb-text);
  cursor: pointer;
  transition: background var(--t), color var(--t);
  flex-shrink: 0;
}
.k2-sb-toggle-btn:hover { background: var(--sb-hover); color: var(--sb-hi); }

/* Hamburger bars */
.k2-hbg {
  display: flex;
  flex-direction: column;
  gap: 4px;
  pointer-events: none;
}
.k2-hbg span {
  display: block;
  width: 16px; height: 2px;
  background: currentColor;
  border-radius: 1px;
  transition: width var(--t);
}
/* Collapsed: middle bar shorter — visual hint it's compact */
.k2.sb-collapsed .k2-hbg span:nth-child(2) { width: 10px; }

/* ── Body wrap ───────────────────────────────────────────── */
.k2-body-wrap {
  display: flex;
  overflow: hidden;
}

/* ── Sidebar ─────────────────────────────────────────────── */
.k2-sidebar {
  background: var(--sb-bg);
  border-right: 1px solid var(--sb-border);
  display: flex;
  flex-direction: column;
  width: var(--sb-w);
  flex-shrink: 0;
  overflow: hidden;
  transition: width .22s ease;
}
.k2-sb-scroll {
  flex: 1 1 0;
  overflow-y: auto;
  overflow-x: hidden;
  display: flex;
  flex-direction: column;
  scrollbar-width: thin;
  scrollbar-color: rgba(148,163,184,.25) transparent;
}
.k2-sb-scroll::-webkit-scrollbar { width: 4px; }
.k2-sb-scroll::-webkit-scrollbar-track { background: transparent; }
.k2-sb-scroll::-webkit-scrollbar-thumb { background: rgba(148,163,184,.25); border-radius: 4px; }
.k2-sb-scroll::-webkit-scrollbar-thumb:hover { background: rgba(148,163,184,.45); }

/* ── Sidebar collapsed (icon-only, 52px) ─────────────────── */
.k2.sb-collapsed .k2-sidebar { width: 52px; }

/* (k2-sb-toggle-wrap removed — toggle is now in k2-sb-head) */

.k2.sb-collapsed .k2-sb-section { padding: 4px 0; margin: 2px 0; background: transparent; display: flex; flex-direction: column; align-items: center; gap: 2px; }
.k2.sb-collapsed .k2-sb-label  { display: none; }
.k2.sb-collapsed .k2-sb-div    { width: 28px; margin: 4px auto; }

/* Company card icon-only */
.k2.sb-collapsed .k2-company-card {
  background: transparent; border-color: transparent;
  padding: 4px; justify-content: center;
}
.k2.sb-collapsed .k2-company-info { display: none; }

/* Cert card icon-only */
.k2.sb-collapsed .k2-cert-card {
  background: transparent; border-color: transparent;
  padding: 4px; justify-content: center;
}
.k2.sb-collapsed .k2-cert-dot,
.k2.sb-collapsed .k2-cert-info { display: none; }

/* Nav items icon-only */
.k2.sb-collapsed .k2-nav-item   { justify-content: center; padding: 10px 0; width: 100%; border-radius: 0; }
.k2.sb-collapsed .ni-label,
.k2.sb-collapsed .ni-count      { display: none; }
.k2.sb-collapsed .ni-icon       { width: auto; }

/* Import button icon-only */
.k2.sb-collapsed .k2-import-btn { padding: 10px 0; border-radius: 0; border-left: none; border-right: none; }
.k2.sb-collapsed .k2-import-btn span:last-child { display: none; }

/* Env select hidden when collapsed */
.k2.sb-collapsed .k2-env-sel { display: none; }
.k2.sb-collapsed .k2-sb-spacer { display: none; }

.k2-sb-section {
  padding: 4px 6px 3px;
  margin: 2px 6px;
  border-radius: 8px;
  background: rgba(255,255,255,.09);
}
.k2-sb-label {
  font-size: .6rem; font-weight: 700; letter-spacing: .1em;
  text-transform: uppercase; color: var(--sb-text);
  margin: 0 -8px 3px; padding: 3px 12px;
  background: rgba(255,255,255,.06);
  border-radius: 4px 4px 0 0;
  opacity: .85;
}
.k2-sb-label-row {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 6px; padding: 0 4px;
}
.k2-sb-label-row .k2-sb-label { margin-bottom: 0; padding: 0; }
.k2-sb-label-btn {
  background: none; border: 1px solid rgba(255,255,255,.15); color: var(--sb-text);
  border-radius: 4px; width: 18px; height: 18px; font-size: .8rem; line-height: 1;
  display: flex; align-items: center; justify-content: center; cursor: pointer;
  transition: background var(--t), color var(--t);
}
.k2-sb-label-btn:hover { background: rgba(255,255,255,.1); color: #fff; }
.k2-co-dot {
  display: inline-block; width: 8px; height: 8px; border-radius: 50%;
  flex-shrink: 0;
}
.ni-sub {
  font-size: .58rem; color: rgba(148,163,184,.5);
  margin-left: auto; white-space: nowrap;
}
.ni-label--stack { display: flex; flex-direction: column; gap: 1px; }
.ni-sub--block { display: block; margin-left: 0; font-size: .62rem; color: rgba(148,163,184,.45); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.k2.sb-collapsed .k2-sb-label-row { justify-content: center; }
.k2.sb-collapsed .k2-sb-label-btn { display: none; }
.k2.sb-collapsed .ni-sub { display: none; }
.k2-sb-div { height: 1px; background: transparent; margin: 3px 0; }
.k2-sb-spacer { flex: 1 1 auto; }

/* Company card */
.k2-company-card {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(59,130,246,.1);
  border: 1px solid rgba(59,130,246,.2);
  border-radius: var(--r-sm);
  padding: 8px 10px;
}
.k2-company-info { flex: 1 1 auto; min-width: 0; }
.k2-company-nip  { font-size: .72rem; color: #93c5fd; font-weight: 700; }
.k2-company-name { font-size: .78rem; color: var(--sb-hi); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* Cert card */
.k2-cert-card {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--r-sm);
  padding: 8px 10px;
}
.k2-cert-dot {
  width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0;
  background: var(--tx-faint);
}
.k2-cert-dot.ok  { background: #4ade80; box-shadow: 0 0 6px rgba(74,222,128,.5); }
.k2-cert-dot.err { background: #f87171; }
.k2-cert-dot--sm { width: 7px; height: 7px; border-radius: 50%; flex-shrink: 0; background: var(--tx-faint); }
.k2-cert-dot--sm.ok { background: #4ade80; box-shadow: 0 0 5px rgba(74,222,128,.5); }
.k2-cert-info { flex: 1 1 auto; min-width: 0; }
.k2-cert-name { font-size: .78rem; color: var(--sb-hi); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.k2-cert-hint { font-size: .68rem; color: var(--sb-text); margin-top: 1px; }

/* Nav items */
.k2-nav-item {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 4px 8px;
  border-radius: var(--r-sm);
  border: none;
  background: transparent;
  color: var(--sb-text);
  font-size: .84rem;
  text-align: left;
  transition: background var(--t), color var(--t);
  cursor: pointer;
}
.k2-nav-item:hover  { background: var(--sb-hover); color: var(--sb-hi); }
.k2-nav-item.active { background: var(--sb-active); color: #fff; }

/* ── Sekwencja onboardingu w sidebarze: krok zablokowany dopóki
   poprzedni etap (Firma → Certyfikat → Pobierz z KSeF) nie jest gotowy ── */
.k2-nav-item.k2-nav-locked        { opacity: .45; cursor: not-allowed; }
.k2-nav-item.k2-nav-locked:hover  { background: transparent; color: var(--sb-text); }
.k2-nav-item.k2-nav-locked::after { content: '🔒'; font-size: .78rem; flex-shrink: 0; }
.k2-nav-item.k2-nav-locked-shake  { animation: k2NavLockShake .4s ease; }
@keyframes k2NavLockShake {
  0%, 100% { transform: translateX(0); }
  25%      { transform: translateX(-4px); }
  75%      { transform: translateX(4px); }
}

.ni-icon { font-size: 1rem; flex-shrink: 0; width: 20px; text-align: center; }
.ni-label { flex: 1 1 auto; font-weight: 500; }
.ni-count {
  font-size: .68rem; font-weight: 700;
  background: rgba(255,255,255,.1);
  padding: 1px 6px; border-radius: var(--r-pill);
  min-width: 20px; text-align: center;
}
.ni-refresh {
  font-size: .85rem; font-weight: 400;
  background: none; min-width: auto; padding: 0 2px;
  opacity: .45; cursor: pointer;
  transition: opacity var(--t);
}
.ni-refresh:hover { opacity: 1; }

/* Import button */
.k2-import-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 10px 14px;
  border-radius: var(--r-sm);
  border: 1.5px solid rgba(59,130,246,.4);
  background: rgba(59,130,246,.15);
  color: #93c5fd;
  font-size: .84rem;
  font-weight: 600;
  transition: all var(--t);
}
.k2-import-btn:hover {
  background: rgba(59,130,246,.25);
  border-color: rgba(59,130,246,.6);
  color: #bfdbfe;
}

/* Firma nav items (info style) */
.k2-nav-firm {
  color: var(--sb-text);
}
.k2-nav-firm:hover { color: var(--sb-hi); }
.k2-nav-firm .ni-icon {
  font-size: .9rem;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 20px;
}
.k2-nav-firm .k2-cert-dot { margin: 0 auto; }

.k2-nav-danger {
  font-size: .78rem;
  padding: 5px 10px;
  color: #f87171;
}
.k2-nav-danger:hover { background: rgba(239,68,68,.12); color: #fca5a5; }
.k2.sb-collapsed .k2-nav-danger { padding: 10px 0; justify-content: center; }

/* Icon buttons in sidebar */
.k2-icon-btn {
  background: transparent;
  border: 1px solid rgba(255,255,255,.1);
  border-radius: 6px;
  color: var(--sb-text);
  width: 28px; height: 28px;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: .85rem; flex-shrink: 0;
  transition: all var(--t);
}
.k2-icon-btn:hover { background: rgba(255,255,255,.08); color: var(--sb-hi); }

/* Env select */
.k2-env-sel {
  width: 100%;
  padding: 6px 10px;
  border-radius: var(--r-sm);
  border: 1px solid rgba(255,255,255,.14);
  background: rgba(255,255,255,.08);
  color: #fff;
  font-size: .82rem;
  cursor: pointer;
  outline: none;
}
.k2-env-sel option { background: #1e293b; color: #f1f5f9; }

/* ── Przycisk Integrator KSeF w sidebarze ───────────────── */

/* ── Main area ───────────────────────────────────────────── */
.k2-main {
  flex: 1 1 auto;
  min-width: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--body-bg);
}

/* ── Content wrap, list panel, toolbar, grid, preview, resizer
   → areas/invoices/invoices.css
   ──────────────────────────────────────────────────────────── */


/* ── Sidebar footer ───────────────────────────────────────── */
.k2-sb-user-row {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 0 4px 6px;
  border-bottom: 1px solid rgba(255,255,255,.06);
  margin-bottom: 6px;
}
.k2-sb-user-icon { font-size: .8rem; flex-shrink: 0; color: #cbd5e1; display: flex; align-items: center; }
.k2-sb-user-name {
  flex: 1;
  font-size: .72rem;
  color: var(--sb-hi);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  min-width: 0;
}
.k2-sb-logout-btn {
  flex-shrink: 0;
  background: none;
  border: 1px solid rgba(255,255,255,.12);
  color: rgba(148,163,184,.6);
  border-radius: 4px;
  font-size: .65rem;
  font-family: inherit;
  padding: 2px 7px;
  cursor: pointer;
  transition: border-color .15s, color .15s;
}
.k2-sb-logout-btn:hover { border-color: rgba(255,255,255,.3); color: var(--sb-hi); }
.k2-sb-footer {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 10px 14px;
  border-top: 1px solid rgba(255,255,255,.06);
  gap: 2px;
}
.k2-sb-footer-copy {
  font-size: .62rem;
  color: rgba(148,163,184,.45);
}
.k2-sb-footer-copy a {
  color: rgba(147,197,253,.55);
}
.k2-sb-footer-copy a:hover { color: rgba(147,197,253,.9); }
.k2-sb-footer-name {
  font-size: .6rem;
  color: rgba(148,163,184,.3);
}
.k2-sb-footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  font-size: .58rem;
  color: rgba(148,163,184,.35);
}
.k2-sb-footer-links a {
  color: rgba(147,197,253,.4);
}
.k2-sb-footer-links a:hover { color: rgba(147,197,253,.8); }

/* ── Status bar ──────────────────────────────────────────── */
.k2-statusbar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 4px 14px;
  min-height: 26px;
  background: var(--sb-bg);
  border-top: 1px solid var(--sb-border);
  font-size: .7rem;
  color: var(--sb-text);
  flex-shrink: 0;
}
.k2-statusbar > * { line-height: 1; }
.k2-statusbar-status { color: var(--sb-text); white-space: nowrap; }
.k2-statusbar-sep { width: 1px; height: 12px; background: var(--sb-border); flex-shrink: 0; }
.k2-statusbar-pill {
  padding: 1px 7px; border-radius: 20px; font-size: .65rem; font-weight: 700;
  white-space: nowrap; flex-shrink: 0;
}
.k2-statusbar-pill--prod { background: rgba(239,68,68,.15); color: #f87171; }
.k2-statusbar-pill--demo { background: rgba(234,179,8,.15);  color: #fbbf24; }
.k2-statusbar-pill--test { background: rgba(59,130,246,.15); color: #60a5fa; }
.k2-statusbar-firm {
  color: var(--sb-hi); font-weight: 600; white-space: nowrap;
  overflow: hidden; text-overflow: ellipsis; max-width: 320px;
}
.k2-statusbar-counts { display: flex; align-items: center; gap: 8px; color: var(--sb-text); white-space: nowrap; }
.k2-sb-spacer { flex: 1 1 auto; }
.k2-imported-label { color: #4ade80; font-weight: 600; white-space: nowrap; }
.k2-statusbar-user {
  display: flex; align-items: center; gap: 5px;
  color: var(--sb-text); white-space: nowrap; flex-shrink: 0;
}
.k2-statusbar-user-icon { color: #cbd5e1; display: flex; align-items: center; }
.k2-statusbar-logout {
  background: none; border: 1px solid rgba(255,255,255,.3); color: rgba(148,163,184,.9);
  border-radius: 3px; font-size: .62rem; font-family: inherit;
  padding: 1px 6px; cursor: pointer; transition: border-color .15s, color .15s;
}
.k2-statusbar-logout:hover { border-color: #93c5fd; color: #93c5fd; }

/* ── Timer sesji ── */
.k2-session-timer {
  display: flex; align-items: center; gap: 4px;
  background: rgba(226,232,240,.85); color: #475569;
  border-radius: 20px; padding: 1px 8px 1px 6px;
  font-size: .65rem; font-weight: 600; white-space: nowrap;
  flex-shrink: 0; transition: background .25s, color .25s;
}
.k2-session-timer svg { flex-shrink: 0; opacity: .7; }
.k2-session-timer--warn {
  background: rgba(239,68,68,.15); color: #f87171;
}
.k2.k2--dark .k2-session-timer {
  background: rgba(255,255,255,.08); color: #94a3b8;
}
.k2.k2--dark .k2-session-timer--warn {
  background: rgba(239,68,68,.18); color: #f87171;
}

/* ── Zestawienia miesięczne ──────────────────────────────── */
.k2-monthly-wrap { display: flex; flex-direction: column; gap: 16px; }
.k2-monthly-empty { font-size: .86rem; color: var(--tx-faint); padding: 16px 0; }

/* KPI row */
.k2-mkpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 14px;
}
.k2-mkpi {
  --kpi: #0f62ac;
  background: var(--card-bg);
  border: 1.5px solid var(--card-border);
  border-radius: 14px;
  box-shadow: 0 2px 8px rgba(15,23,42,.06);
  padding: 16px 18px 14px;
  display: flex; align-items: flex-start; gap: 14px;
  position: relative; overflow: hidden;
}
.k2-mkpi::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: var(--kpi); border-radius: 14px 14px 0 0;
}
.k2-mkpi-icon {
  width: 40px; height: 40px; border-radius: 11px; flex-shrink: 0;
  background: color-mix(in srgb, var(--kpi) 12%, var(--card-bg));
  display: flex; align-items: center; justify-content: center;
  font-size: 1.25rem;
}
.k2-mkpi-body { flex: 1 1 auto; min-width: 0; }
.k2-mkpi-val  { font-size: 1.4rem; font-weight: 800; color: var(--tx-main); line-height: 1.1; }
.k2-mkpi-lbl  { font-size: .75rem; font-weight: 600; color: var(--tx-muted); margin-top: 3px; }
.k2-mkpi-sub  { font-size: .7rem; color: var(--tx-faint); margin-top: 4px; }

/* Chart.js wrappery */
.k2-cjs-chart-wrap {
  position: relative;
  height: 220px;
}
.k2-cjs-chart-wrap--lg {
  height: 260px;
}
.k2-cjs-donut-layout {
  display: flex;
  align-items: center;
  gap: 20px;
  min-height: 180px;
}
.k2-cjs-donut-wrap {
  flex: 0 0 160px;
  height: 160px;
  position: relative;
}
.k2-cjs-donut-legend {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: .77rem;
}
.k2-cjs-leg-item {
  display: flex;
  align-items: center;
  gap: 8px;
}
.k2-cjs-leg-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}
.k2-cjs-leg-lbl { flex: 1; color: var(--tx-muted); }
.k2-cjs-leg-val { font-weight: 600; color: var(--tx-main); white-space: nowrap; }
.k2-cjs-leg-pct { color: var(--tx-faint); font-size: .72rem; margin-left: 4px; }
@media (max-width: 520px) {
  .k2-cjs-donut-layout { flex-direction: column; align-items: flex-start; }
  .k2-cjs-donut-wrap { flex: 0 0 140px; height: 140px; }
}

/* 2-col row dla wykresów i top kontrahentów — zawsze dokładnie 50/50,
   minmax(0, 1fr) zamiast 1fr zapobiega poszerzeniu kolumny przez długą
   treść bez spacji (nazwa kontrahenta, etykieta) ponad jej połowę wiersza. */
.k2-mchart-row,
.k2-mdetail-row,
#k2CjsRowRent {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 16px;
}
@media (max-width: 860px) {
  .k2-mchart-row, .k2-mdetail-row, #k2CjsRowRent { grid-template-columns: 1fr; }
}

/* panel (reuse dd-panel style) */
.k2-monthly-wrap .dd-panel {
  background: var(--card-bg);
  border: 1.5px solid var(--card-border);
  border-radius: 14px;
  box-shadow: 0 2px 8px rgba(15,23,42,.06);
  padding: 18px 20px;
  /* min-width:0 — bez tego grid item o dłuższej treści (np. długa nazwa
     kontrahenta) potrafi "przeciągnąć" swoją kolumnę ponad 50%, mimo
     minmax(0, 1fr) na kontenerze wiersza (patrz .k2-mchart-row wyżej). */
  min-width: 0;
  overflow: hidden;
}
.k2-monthly-wrap .dd-panel-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; gap: 8px; }
.k2-monthly-wrap .dd-panel-title { margin: 0; font-size: .9rem; font-weight: 700; color: var(--tx-main); }
.k2-monthly-wrap .dd-panel-meta { font-size: .74rem; color: var(--tx-muted); background: var(--body-bg); border-radius: 999px; padding: 2px 9px; white-space: nowrap; }

/* CSS bar chart */
.k2-bar-chart { display: flex; flex-direction: column; gap: 7px; }
.k2-bar-row { display: grid; grid-template-columns: 54px 1fr 90px; align-items: center; gap: 8px; }
.k2-bar-lbl { font-size: .72rem; color: var(--tx-muted); white-space: nowrap; }
.k2-bar-wrap { height: 9px; background: var(--card-border); border-radius: 999px; overflow: hidden; }
.k2-bar-fill { height: 100%; border-radius: 999px; min-width: 3px; transition: width .4s ease; }
.k2-bar-fill--zak  { background: linear-gradient(90deg, #0369a1, #38bdf8); }
.k2-bar-fill--sprz { background: linear-gradient(90deg, #15803d, #4ade80); }
.k2-bar-val { font-size: .73rem; font-weight: 700; color: var(--tx-main); text-align: right; white-space: nowrap; font-variant-numeric: tabular-nums; }

/* Top kontrahenci */
.k2-top-row { display: flex; flex-direction: column; gap: 3px; margin-bottom: 12px; }
.k2-top-row:last-child { margin-bottom: 0; }
.k2-top-info { display: flex; justify-content: space-between; align-items: baseline; gap: 8px; min-width: 0; }
.k2-top-name { font-size: .82rem; font-weight: 700; color: var(--tx-main); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.k2-top-nip  { font-size: .7rem; color: var(--tx-faint); white-space: nowrap; }
.k2-top-bar-wrap { height: 5px; background: var(--card-border); border-radius: 999px; overflow: hidden; margin: 2px 0; }
.k2-top-bar  { height: 100%; background: linear-gradient(90deg, #0f62ac, #38bdf8); border-radius: 999px; min-width: 3px; transition: width .4s ease; }
.k2-top-val  { font-size: .78rem; font-weight: 700; color: var(--tx-main); text-align: right; white-space: nowrap; }
.k2-top-cnt  { font-size: .7rem; color: var(--tx-faint); }
.k2-top-empty { font-size: .82rem; color: var(--tx-faint); padding: 8px 0; }

/* ── SVG chart panel ─────────────────────────────────────── */
.k2-svgchart-panel { }
.k2-svgchart-panel .dd-panel-head { flex-wrap: wrap; gap: 10px; }

.k2-svgchart-tabs {
  display: flex;
  gap: 4px;
  flex-shrink: 0;
}
.k2-svgtab {
  font-size: .72rem;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 999px;
  border: 1.5px solid var(--card-border);
  background: transparent;
  color: var(--tx-muted);
  cursor: pointer;
  transition: background var(--t), color var(--t), border-color var(--t);
}
.k2-svgtab:hover { background: var(--body-bg); color: var(--tx-main); }
.k2-svgtab--active {
  background: var(--brand);
  border-color: var(--brand);
  color: #fff;
}

.k2-svgchart-legend {
  display: flex;
  gap: 16px;
  margin-bottom: 10px;
  flex-wrap: wrap;
}
.k2-svgleg {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: .72rem;
  color: var(--tx-muted);
  font-weight: 600;
}
.k2-svgleg::before {
  content: '';
  display: inline-block;
  width: 24px;
  height: 4px;
  border-radius: 2px;
}
.k2-svgleg--cur::before  { background: var(--leg-color, #2563eb); }
.k2-svgleg--prev::before { background: var(--leg-color, #94a3b8); opacity: .7; }
.k2-svgleg--trend::before { background: var(--leg-color, #f59e0b); height: var(--leg-h, 2px); border-radius: 1px; }

.k2-svgchart-wrap {
  width: 100%;
  overflow-x: auto;
}
.k2-svgchart {
  display: block;
  width: 100%;
  height: 240px;
  overflow: visible;
}

.k2-chart-tip {
  position: absolute;
  pointer-events: none;
  background: var(--tx-main);
  color: var(--card-bg);
  font-size: .72rem;
  font-weight: 600;
  line-height: 1.5;
  padding: 6px 10px;
  border-radius: 7px;
  white-space: pre-line;
  box-shadow: 0 4px 16px rgba(0,0,0,.18);
  opacity: 0;
  transition: opacity .12s ease;
  z-index: 10;
  transform: translate(-50%, -100%);
  margin-top: -8px;
}
.k2-chart-tip::after {
  content: '';
  position: absolute;
  left: 50%;
  top: 100%;
  transform: translateX(-50%);
  border: 5px solid transparent;
  border-top-color: var(--tx-main);
}
.k2-chart-tip--visible { opacity: 1; }

.k2-svgchart-footer {
  display: flex;
  justify-content: flex-end;
  gap: 20px;
  margin-top: 10px;
  flex-wrap: wrap;
}
.k2-svgchart-stat {
  font-size: .74rem;
  color: var(--tx-muted);
}
.k2-svgchart-stat strong {
  color: var(--tx-main);
  font-variant-numeric: tabular-nums;
}

/* SVG element colours — set via attributes in JS, but clip path etc */
.k2-svgchart .chart-grid-line { stroke: var(--card-border); stroke-width: 1; }
.k2-svgchart .chart-axis-lbl  { fill: var(--tx-faint); font-size: 10px; font-family: system-ui, sans-serif; }
.k2-svgchart .chart-tooltip-bg { fill: var(--card-bg); stroke: var(--card-border); }
.k2-svgchart .chart-tooltip-tx { fill: var(--tx-main); font-size: 10px; font-family: system-ui, sans-serif; }

/* dark mode */
.k2.k2--dark .k2-mkpi { box-shadow: none; }
.k2.k2--dark .k2-monthly-wrap .dd-panel { box-shadow: none; }
.k2.k2--dark .k2-svgtab { border-color: rgba(255,255,255,.1); color: var(--tx-faint); }
.k2.k2--dark .k2-svgtab:hover { background: rgba(255,255,255,.06); color: var(--tx-main); }
.k2.k2--dark .k2-svgtab--active { background: var(--brand); border-color: var(--brand); color: #fff; }

/* ── Log techniczny importu ──────────────────────────────── */
.k2-import-log-wrap {
  margin-top: 4px;
  border: 1px solid var(--card-border, #e2e8f0);
  border-radius: var(--r-sm, 8px);
  overflow: hidden;
  font-family: 'Menlo', 'Consolas', 'SF Mono', monospace;
  font-size: .74rem;
}
.k2-import-log-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 12px;
  background: var(--sidebar-bg, #f8fafc);
  border-bottom: 1px solid var(--card-border, #e2e8f0);
}
.k2-import-log-title {
  color: var(--tx-muted, #94a3b8);
  font-size: .7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  font-family: system-ui, sans-serif;
}
.k2-import-log-clear {
  background: none;
  border: none;
  color: var(--tx-muted, #94a3b8);
  cursor: pointer;
  font-size: .8rem;
  padding: 2px 6px;
  border-radius: 4px;
  line-height: 1;
  transition: color var(--t), background var(--t);
}
.k2-import-log-clear:hover {
  color: var(--tx-main, #0f172a);
  background: var(--card-border, #e2e8f0);
}
.k2-import-log {
  background: var(--card-bg, #fff);
  color: var(--tx-mid, #475569);
  padding: 10px 12px;
  max-height: 240px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 2px;
  scrollbar-width: thin;
  scrollbar-color: var(--card-border, #e2e8f0) transparent;
}
.k2-log-line {
  display: grid;
  grid-template-columns: 62px 48px 1fr;
  gap: 8px;
  line-height: 1.5;
  white-space: pre-wrap;
  word-break: break-all;
}
.k2-log-ts            { color: var(--tx-muted, #94a3b8); flex-shrink: 0; }
.k2-log-lvl           { flex-shrink: 0; font-weight: 700; }
.k2-log-lvl--info     { color: #0284c7; }
.k2-log-lvl--ok       { color: #16a34a; }
.k2-log-lvl--warn     { color: #d97706; }
.k2-log-lvl--err      { color: #dc2626; }
.k2-log-msg           { color: var(--tx-main, #0f172a); }
.k2-log-msg--err      { color: #dc2626; }
.k2-log-msg--ok       { color: #16a34a; }
.k2-log-msg--warn     { color: #d97706; }

/* dark mode */
.k2--dark .k2-import-log-wrap  { border-color: var(--card-border, #334155); }
.k2--dark .k2-import-log-head  { background: var(--sidebar-bg, #0f172a); border-bottom-color: var(--card-border, #334155); }
.k2--dark .k2-import-log-clear:hover { background: #1e293b; color: #e2e8f0; }
.k2--dark .k2-import-log       { background: #0f172a; color: #94a3b8; scrollbar-color: #334155 transparent; }
.k2--dark .k2-log-ts           { color: #475569; }
.k2--dark .k2-log-msg          { color: #cbd5e1; }
.k2--dark .k2-log-lvl--info    { color: #38bdf8; }
.k2--dark .k2-log-lvl--ok      { color: #4ade80; }
.k2--dark .k2-log-lvl--warn    { color: #fbbf24; }
.k2--dark .k2-log-lvl--err     { color: #f87171; }
.k2--dark .k2-log-msg--err     { color: #fca5a5; }
.k2--dark .k2-log-msg--ok      { color: #86efac; }
.k2--dark .k2-log-msg--warn    { color: #fde68a; }

/* ── Buttons ─────────────────────────────────────────────── */
.k2-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 16px;
  border-radius: var(--r-pill);
  font-size: .82rem;
  font-weight: 500;
  border: 1.5px solid transparent;
  transition: all var(--t);
  white-space: nowrap;
}
.k2-btn-sm { padding: 5px 12px; font-size: .76rem; }
.k2-btn-primary {
  background: var(--brand-mid);
  border-color: var(--brand-mid);
  color: #fff;
}
.k2-btn-primary:hover  { background: var(--brand); border-color: var(--brand); }
.k2-btn-primary:disabled { opacity: .5; cursor: default; }
.k2-btn-ghost {
  background: #fff;
  border-color: var(--input-border);
  color: var(--tx-mid);
}
.k2-btn-ghost:hover { background: var(--body-bg); border-color: #7a8fa8; }
.k2-btn-danger {
  background: #fff;
  border-color: #fecaca;
  color: #b91c1c;
}
.k2-btn-danger:hover { background: #fee2e2; }

/* ── Modals ──────────────────────────────────────────────── */
.k2-modal-overlay {
  position: fixed; inset: 0;
  background: rgba(15,22,42,.55);
  backdrop-filter: blur(4px);
  z-index: 500;
  display: flex;
  align-items: center;
  justify-content: center;
}
.k2-modal-overlay[hidden] { display: none; }
.k2-modal {
  background: #fff;
  border-radius: 16px;
  box-shadow: 0 24px 80px rgba(0,0,0,.28);
  width: min(480px, 94vw);
  max-height: 90vh;
  overflow-y: auto;
  animation: k2-modal-in .22s cubic-bezier(.34,1.56,.64,1);
}
.k2-modal--wide { width: min(560px, 94vw); }
@keyframes k2-modal-in {
  from { opacity: 0; transform: scale(.94) translateY(14px); }
  to   { opacity: 1; transform: scale(1)   translateY(0); }
}
.k2-modal-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 20px 14px;
  border-bottom: 1px solid var(--card-border);
  gap: 12px;
}
.k2-modal-title { font-size: 1rem; font-weight: 700; color: var(--tx-main); }
.k2-modal-x {
  background: transparent;
  border: 1.5px solid var(--card-border);
  border-radius: var(--r-pill);
  width: 30px; height: 30px;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: .8rem; color: var(--tx-muted);
  transition: all var(--t); flex-shrink: 0;
}
.k2-modal-x:hover { background: #fee2e2; color: #b91c1c; border-color: #fecaca; }
.k2-modal-body { padding: 18px 20px; display: flex; flex-direction: column; gap: 14px; }
.k2-modal-foot {
  display: flex;
  gap: 8px;
  padding: 14px 20px 18px;
  border-top: 1px solid var(--card-border);
}

/* Form fields */
.k2-field { display: flex; flex-direction: column; gap: 5px; min-width: 0; }
.k2-field-row { display: flex; gap: 12px; flex-wrap: wrap; min-width: 0; }
.k2-field-row .k2-field { flex: 1 1 160px; min-width: 0; }
.k2-field-lbl { font-size: .78rem; font-weight: 600; color: var(--tx-mid); }
.k2-req { color: #e53e3e; }
.k2-field-inp {
  width: 100%;
  box-sizing: border-box;
  padding: 8px 11px;
  border-radius: var(--r-sm);
  border: 1.5px solid var(--input-border);
  font-size: .85rem;
  color: var(--tx-main);
  background: #fff;
  outline: none;
  transition: border-color var(--t), box-shadow var(--t);
}
.k2-field-inp:focus {
  border-color: var(--brand-lite);
  box-shadow: 0 0 0 3px rgba(59,130,246,.12);
}

/* File drop zones */
.k2-file-drop {
  border: 2px dashed var(--card-border);
  border-radius: var(--r-sm);
  padding: 14px 16px;
  text-align: center;
  cursor: pointer;
  font-size: .82rem;
  color: var(--tx-muted);
  transition: border-color var(--t), background var(--t);
}
.k2-file-drop:hover,
.k2-file-drop.drag-over { border-color: var(--brand-lite); background: var(--brand-pale); color: var(--brand); }
.k2-file-drop.has-file  { border-color: #4ade80; background: #f0fdf4; color: #065f46; }

/* Modal section heading + divider */
.k2-modal-section-title {
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .07em;
  text-transform: uppercase;
  color: var(--tx-muted);
  padding-bottom: 2px;
  border-bottom: 1px solid var(--card-border);
}
.k2-modal-divider {
  border: none;
  border-top: 1px solid var(--card-border);
  margin: 4px 0;
}

/* Cert notice */
.k2-cert-notice {
  background: #eff6ff;
  border: 1px solid #bfdbfe;
  border-radius: var(--r-sm);
  padding: 10px 12px;
  font-size: .8rem;
  color: #1e3a8a;
  line-height: 1.5;
}

/* Import info summary */
.k2-import-info {
  background: var(--body-bg);
  border-radius: var(--r-sm);
  padding: 10px 14px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.k2-import-info-row { display: flex; gap: 8px; font-size: .82rem; align-items: center; flex-wrap: wrap; }
.k2-import-info-lbl { color: var(--tx-muted); min-width: 80px; flex: 0 0 auto; }
.k2-subject-toggle { flex-shrink: 0; min-width: 0; }

/* Import tiles */
.k2-imp-tiles { display: flex; flex-direction: column; gap: 8px; }
.k2-imp-tile {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 12px; border-radius: var(--r-sm);
  border: 1.5px solid var(--card-border);
  background: var(--card-bg);
}
.k2-imp-tile--warn { border-color: #fbbf24; background: #fffbeb; }
.k2-imp-tile--ok   { border-color: #86efac; background: #f0fdf4; }
.k2.k2--dark .k2-imp-tile--warn { background: #1c1200; border-color: #92400e; }
.k2.k2--dark .k2-imp-tile--ok   { background: #052e16; border-color: #166534; }
.k2-imp-tile-icon { font-size: 1.4rem; flex-shrink: 0; }
.k2-imp-tile-body { flex: 1 1 auto; min-width: 0; }
.k2-imp-tile-label { font-size: .68rem; font-weight: 700; text-transform: uppercase; letter-spacing: .05em; color: var(--tx-muted); margin-bottom: 2px; }
.k2-imp-tile-val { font-size: .85rem; font-weight: 600; color: var(--tx-main); display: flex; align-items: center; gap: 5px; flex-wrap: wrap; }
.k2-imp-tile-sub { display: block; font-size: .72rem; font-weight: 400; color: var(--tx-muted); margin-top: 1px; }
.k2-imp-dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }
.k2-imp-tile-btn {
  flex-shrink: 0; font-size: .72rem; font-weight: 600;
  padding: 4px 10px; border-radius: var(--r-pill);
  border: 1px solid #d97706; background: #d97706; color: #fff;
  cursor: pointer; transition: background var(--t);
}
.k2-imp-tile--ok .k2-imp-tile-btn { border-color: #16a34a; background: #16a34a; }
.k2-imp-tile-btn:hover { opacity: .85; }

.k2-subject-toggle {
  display: flex;
  gap: 4px;
  background: var(--card-border);
  border-radius: var(--r-pill);
  padding: 3px;
}
.k2-subject-btn {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 4px 14px;
  border-radius: var(--r-pill);
  border: none;
  background: transparent;
  color: var(--tx-muted);
  font-size: .8rem;
  font-weight: 500;
  cursor: pointer;
  transition: background var(--t), color var(--t);
  white-space: nowrap;
}
.k2-subject-btn.active {
  background: var(--card-bg);
  color: var(--brand);
  box-shadow: 0 1px 4px rgba(0,0,0,.12);
}

/* Alert */
.k2-alert {
  padding: 10px 14px;
  border-radius: var(--r-sm);
  font-size: .82rem;
  line-height: 1.5;
}
.k2-alert.ok  { background: #d1fae5; border: 1px solid #a7f3d0; color: #065f46; }
.k2-alert.err { background: #fee2e2; border: 1px solid #fecaca; color: #991b1b; }
.k2-alert.inf { background: #eff6ff; border: 1px solid #bfdbfe; color: #1e3a8a; }

/* Progress */
.k2-progress-bar {
  height: 6px;
  border-radius: var(--r-pill);
  background: var(--card-border);
  overflow: hidden;
}
.k2-progress-fill {
  height: 100%;
  border-radius: var(--r-pill);
  background: linear-gradient(90deg, var(--brand), var(--brand-lite));
  width: 0%;
  transition: width .3s ease;
}
.k2-progress-msg {
  font-size: .8rem;
  color: var(--tx-muted);
  margin-top: 6px;
}

/* ── Responsive column hiding in preview mode ────────────── */
@media (max-width: 1300px) {
  .k2-content-wrap.is-preview-enabled .k2-th-nip,
  .k2-content-wrap.is-preview-enabled .k2-grid td:nth-child(4) { display: none; }
}
@media (max-width: 1100px) {
  .k2-content-wrap.is-preview-enabled .k2-th-net,
  .k2-content-wrap.is-preview-enabled .k2-grid td:nth-child(5) { display: none; }
}
@media (max-width: 960px) {
  .k2-content-wrap.is-preview-enabled .k2-th-vat,
  .k2-content-wrap.is-preview-enabled .k2-grid td:nth-child(6) { display: none; }
}
@media (max-width: 900px) {
  .k2-content-wrap.is-preview-enabled .k2-th-cur,
  .k2-content-wrap.is-preview-enabled .k2-grid td:nth-child(8) { display: none; }
}
@media (max-width: 1100px) {
  .k2-content-wrap.is-preview-enabled .k2-th-ksef-num,
  .k2-content-wrap.is-preview-enabled .k2-grid td:nth-child(3),
  .k2-content-wrap.is-preview-enabled .k2-th-ksef-date,
  .k2-content-wrap.is-preview-enabled .k2-grid td:nth-child(4) { display: none; }
}

/* ── Dashboard ───────────────────────────────────────────── */
.k2-dashboard {
  flex: 1 1 auto;
  overflow-y: auto;
  padding: 28px 24px;
  background: var(--body-bg);
  position: relative;
}
.k2-dash-scroll { max-width: 100%; margin: 0 auto; }

.k2-dash-section-hd {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
  margin-top: 4px;
}
.k2-dash-section-hd .k2-dash-section-lbl { margin: 0; }
.k2-dash-section-lbl {
  font-size: .72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--tx-faint);
  margin-bottom: 10px;
  margin-top: 4px;
}
.k2-dash-refresh-btn {
  font-size: .72rem;
  font-weight: 600;
  color: var(--tx-muted);
  background: transparent;
  border: 1px solid var(--card-border);
  border-radius: 6px;
  padding: 3px 10px;
  cursor: pointer;
  transition: background .15s, color .15s;
}
.k2-dash-refresh-btn:hover { background: var(--brand-pale); color: var(--brand); border-color: var(--brand-lite); }
.k2.k2--dark .k2-dash-refresh-btn { color: var(--tx-muted); border-color: rgba(255,255,255,.1); }
.k2.k2--dark .k2-dash-refresh-btn:hover { background: rgba(59,130,246,.15); color: #93c5fd; border-color: rgba(59,130,246,.3); }

/* ── Dashboard overlay ───────────────────────────────────── */
.k2-dash-overlay {
  position: absolute;
  inset: 0;
  z-index: 10;
  background: rgba(240,244,248,.82);
  backdrop-filter: blur(3px);
  -webkit-backdrop-filter: blur(3px);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: inherit;
  opacity: 0;
  pointer-events: none;
}
.k2-dash-overlay.is-visible {
  opacity: 1;
  pointer-events: auto;
}
.k2.k2--dark .k2-dash-overlay { background: rgba(15,22,41,.82); }
.k2-dash-overlay-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}
.k2-dash-overlay-spinner {
  width: 32px; height: 32px;
  border: 3px solid rgba(30,64,175,.15);
  border-top-color: var(--brand);
  border-radius: 50%;
  animation: k2Spin .7s linear infinite;
}
.k2-dash-overlay-lbl {
  font-size: .8rem;
  font-weight: 600;
  color: var(--tx-mid);
  letter-spacing: .02em;
}
.k2.k2--dark .k2-dash-overlay-lbl { color: var(--tx-muted); }
@keyframes k2Spin    { to { transform: rotate(360deg); } }
@keyframes k2FadeIn  { from { opacity: 0; } to { opacity: 1; } }

/* ── Overlay konfiguracji nowej firmy (pełnoekranowy) ── */
.k2-setup-overlay {
  position: fixed;
  inset: 0;
  z-index: 3000;
  background: rgba(240,244,248,.9);
  backdrop-filter: blur(3px);
  -webkit-backdrop-filter: blur(3px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity .3s ease;
}
.k2-setup-overlay.is-visible { opacity: 1; pointer-events: auto; }
.k2.k2--dark .k2-setup-overlay { background: rgba(15,22,41,.9); }

/* ── Action panels ───────────────────────────────────────── */
.k2-dash-panels {
  display: flex;
  align-items: stretch;
  gap: 14px;
  margin-bottom: 28px;
}
.k2-dpanel {
  position: relative;
  flex: 1 1 0;
  width: 0;
  min-width: 0;
  background: var(--card-bg);
  border: 1.5px solid var(--card-border);
  border-radius: var(--r-card);
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  cursor: pointer;
  transition: box-shadow var(--t), border-color var(--t), transform var(--t);
}
.k2-dpanel:hover { box-shadow: 0 6px 20px rgba(0,0,0,.09); transform: translateY(-1px); }
.k2-dpanel--warn  { border-color: #fbbf24; background: #fffbeb; }
.k2-dpanel--ok    { border-color: #86efac; background: #f0fdf4; }
.k2-dpanel--ready { border-color: var(--brand-lite); background: var(--brand-pale); }
.k2-dpanel--idle  { border-color: var(--card-border); }

/* ── Numeracja etapu (górny prawy róg) ── */
.k2-dpanel-step-num {
  position: absolute;
  top: 10px;
  right: 10px;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .74rem;
  font-weight: 800;
  background: var(--card-border);
  color: var(--tx-muted);
  transition: background var(--t), color var(--t);
  z-index: 1;
}
.k2-dpanel--warn  .k2-dpanel-step-num { background: #fbbf24; color: #78350f; }
.k2-dpanel--ready .k2-dpanel-step-num { background: var(--brand-lite); color: #fff; }
.k2-dpanel--ok    .k2-dpanel-step-num { background: #16a34a; color: #fff; }

/* ── Pulsowanie: sugeruje który etap wymaga akcji TERAZ ── */
.k2-dpanel--pulse { animation: k2StepPulseCard 2.2s ease-in-out infinite; }
.k2-dpanel--pulse .k2-dpanel-step-num { animation: k2StepPulseNum 2.2s ease-in-out infinite; }
.k2-dpanel--pulse .k2-dpanel-btn { animation: k2StepPulseBtn 2.2s ease-in-out infinite; }

@keyframes k2StepPulseCard {
  0%, 100% { box-shadow: 0 0 0 0 rgba(217,119,6,.25); }
  50%      { box-shadow: 0 0 0 8px rgba(217,119,6,0); }
}
.k2-dpanel--ready.k2-dpanel--pulse { animation-name: k2StepPulseCardBrand; }
@keyframes k2StepPulseCardBrand {
  0%, 100% { box-shadow: 0 0 0 0 rgba(30,64,175,.25); }
  50%      { box-shadow: 0 0 0 8px rgba(30,64,175,0); }
}
@keyframes k2StepPulseNum {
  0%, 100% { transform: scale(1);   box-shadow: 0 0 0 0 rgba(0,0,0,.25); }
  50%      { transform: scale(1.15); box-shadow: 0 0 0 5px rgba(0,0,0,0); }
}
@keyframes k2StepPulseBtn {
  0%, 100% { box-shadow: 0 0 0 0 rgba(0,0,0,.28); }
  50%      { box-shadow: 0 0 0 7px rgba(0,0,0,0); }
}
.k2.k2--dark .k2-dpanel-step-num { background: #334155; color: #94a3b8; }

/* ── Blokada: etap niedostępny dopóki poprzedni nie jest ukończony ── */
.k2-dpanel--locked {
  cursor: not-allowed;
  opacity: .55;
  filter: grayscale(.4);
}
.k2-dpanel--locked:hover { box-shadow: none; transform: none; }
.k2-dpanel--locked .k2-dpanel-step-num { background: var(--card-border); color: var(--tx-muted); }
.k2.k2--dark .k2-dpanel--locked .k2-dpanel-step-num { background: #334155; color: #64748b; }
.k2-dpanel--locked .k2-dpanel-body { font-style: italic; }

.k2-dpanel-top { display: flex; align-items: flex-start; gap: 14px; }
.k2-dpanel-icon { font-size: 1.6rem; flex-shrink: 0; line-height: 1; margin-top: 2px; }
.k2-dpanel-info { flex: 1 1 auto; min-width: 0; }
.k2-dpanel-title { font-size: .72rem; font-weight: 700; text-transform: uppercase; letter-spacing: .05em; color: var(--tx-muted); margin-bottom: 3px; }
.k2-dpanel-body  { font-size: .9rem; font-weight: 600; color: var(--tx-main); word-break: break-word; overflow-wrap: break-word; }
.k2-dpanel-sub   { font-size: .76rem; color: var(--tx-muted); margin-top: 3px; line-height: 1.4; word-break: break-word; overflow-wrap: break-word; }

.k2-dpanel-btns {
  display: flex;
  flex-direction: row;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
  align-self: flex-start;
}
.k2-dpanel-btn {
  align-self: flex-start;
  background: var(--brand);
  color: #fff;
  border: none;
  border-radius: var(--r-sm);
  padding: 7px 14px;
  font-size: .79rem;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--t);
}
.k2-dpanel-btn:hover        { background: var(--brand-mid); }
.k2-dpanel--warn .k2-dpanel-btn { background: #d97706; }
.k2-dpanel--warn .k2-dpanel-btn:hover { background: #b45309; }
.k2-dpanel--ok   .k2-dpanel-btn { background: #16a34a; }
.k2-dpanel--ok   .k2-dpanel-btn:hover { background: #15803d; }
.k2-dpanel-btn2 {
  align-self: stretch;
  background: transparent;
  color: var(--tx-muted);
  border: 1px solid var(--card-border);
  border-radius: var(--r-sm);
  padding: 7px 12px;
  font-size: .79rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--t);
  white-space: nowrap;
}
.k2-dpanel-btn2:hover { background: var(--brand-pale); color: var(--brand); border-color: var(--brand-lite); }

.k2-dpanel-arrow {
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; width: 40px;
  color: rgba(148,163,184,.5);
}
.k2-dpanel-arrow svg { width: 28px; height: 28px; }
.k2-dpanel-arrow--done { color: #4ade80; filter: drop-shadow(0 0 4px rgba(74,222,128,.5)); }

/* ── Stat cards ──────────────────────────────────────────── */
.k2-dash-stats {
  display: flex;
  gap: 10px;
  margin-bottom: 8px;
}
.k2-dstat {
  background: var(--card-bg);
  border: 1.5px solid var(--card-border);
  border-radius: var(--r-sm);
  padding: 10px 14px;
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 10px;
  text-align: left;
  font: inherit;
  cursor: default;
  transition: box-shadow var(--t), border-color var(--t), background var(--t);
  flex: 1 1 0;
  min-width: 0;
}
button.k2-dstat { cursor: pointer; }
button.k2-dstat:hover {
  border-color: var(--brand-lite);
  background: var(--brand-pale);
  box-shadow: 0 2px 10px rgba(30,64,175,.1);
}
.k2-dstat-icon { font-size: 1.1rem; flex-shrink: 0; }
.k2-dstat-num  { font-size: 1.45rem; font-weight: 800; color: var(--tx-main); line-height: 1; }
.k2-dstat-lbl  { font-size: .72rem; font-weight: 600; color: var(--tx-muted); }
.k2-dstat-hint { font-size: .68rem; color: var(--brand-lite); opacity: 0; transition: opacity var(--t); margin-left: auto; flex-shrink: 0; }
button.k2-dstat:hover .k2-dstat-hint { opacity: 1; }

/* ── Intuiti Integrator card ─────────────────────────────── */
.k2-integrator-card {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 18px 22px;
  margin: 0 0 24px;
  border-radius: var(--r-card);
  background: linear-gradient(120deg, #eff6ff 0%, #f0f9ff 100%);
  border: 1.5px solid #bfdbfe;
  transition: box-shadow var(--t), border-color var(--t);
  overflow: hidden;
}
.k2-integrator-card--img {
  padding-left: 12px;
  gap: 18px;
}
.k2-integrator-img {
  flex-shrink: 0;
  width: 160px;
  align-self: stretch;
  overflow: hidden;
  border-radius: var(--r-sm);
  margin: 6px 0;
  padding: 0;
  background: none;
  box-shadow: none;
  font-size: inherit;
}
.k2-integrator-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.k2-integrator-card:hover {
  box-shadow: 0 4px 18px rgba(37,99,235,.1);
  border-color: #93c5fd;
}
.k2-integrator-card-left {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  flex: 1 1 auto;
  min-width: 0;
}
.k2-integrator-icon { font-size: 1.8rem; flex-shrink: 0; line-height: 1; margin-top: 2px; }
.k2-integrator-text { flex: 1 1 auto; min-width: 0; }
.k2-integrator-title {
  font-size: .88rem;
  font-weight: 700;
  color: #1e3a8a;
  margin-bottom: 4px;
}
.k2-integrator-desc {
  font-size: .78rem;
  color: #3b5bdb;
  line-height: 1.55;
  opacity: .85;
}
.k2-integrator-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-top: 8px;
}
.k2-integrator-tag {
  font-size: .68rem;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 999px;
  background: rgba(37,99,235,.1);
  color: #1d4ed8;
  white-space: nowrap;
}
.k2-integrator-cta {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  flex-shrink: 0;
  padding: 9px 18px;
  border-radius: var(--r-pill);
  background: linear-gradient(135deg, #1e40af, #2563eb);
  color: #fff;
  font-size: .8rem;
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
  box-shadow: 0 2px 10px rgba(37,99,235,.3);
  transition: box-shadow var(--t), opacity var(--t);
}
.k2-integrator-cta:hover { opacity: .88; box-shadow: 0 4px 16px rgba(37,99,235,.45); }
.k2-integrator-cta-arrow { font-size: .9rem; }

/* dark */
.k2.k2--dark .k2-integrator-card {
  background: linear-gradient(120deg, #172554 0%, #0f2044 100%) !important;
  border-color: #1e3a8a !important;
}
.k2.k2--dark .k2-integrator-card:hover { border-color: #3b82f6 !important; box-shadow: 0 4px 18px rgba(37,99,235,.2); }
.k2.k2--dark .k2-integrator-title { color: #bfdbfe !important; }
.k2.k2--dark .k2-integrator-desc  { color: #93c5fd !important; }
.k2.k2--dark .k2-integrator-tag   { background: rgba(59,130,246,.15) !important; color: #93c5fd !important; }
.k2.k2--dark .k2-integrator-cta   { background: linear-gradient(135deg, #1e40af, #2563eb) !important; }

@media (max-width: 700px) {
  .k2-integrator-card { flex-direction: column; align-items: stretch; }
  .k2-integrator-card--img { padding-left: 0; padding-top: 0; }
  .k2-integrator-img { width: 100%; height: 120px; border-radius: calc(var(--r-card) - 1.5px) calc(var(--r-card) - 1.5px) 0 0; align-self: auto; }
  .k2-integrator-cta { align-self: flex-start; }
}

/* ── Privacy / local storage info ───────────────────────── */
.k2-dash-privacy {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: 14px;
  margin-bottom: 16px;
}
.k2-priv-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--r-card);
  padding: 18px 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.k2-priv-card-head {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.k2-priv-icon  { font-size: 1.25rem; flex-shrink: 0; }
.k2-priv-title { font-size: .86rem; font-weight: 700; color: var(--tx-main); flex: 1 1 auto; }
.k2-priv-badge {
  font-size: .68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .05em;
  padding: 3px 8px;
  border-radius: var(--r-pill);
  flex-shrink: 0;
}
.k2-priv-badge--local   { background: #dcfce7; color: #15803d; }
.k2-priv-badge--session { background: #fef9c3; color: #a16207; }
.k2-priv-body {
  font-size: .81rem;
  color: var(--tx-mid);
  line-height: 1.65;
  margin: 0;
}
.k2-priv-body strong { color: var(--tx-main); }
.k2-priv-tech {
  font-size: .74rem;
  color: var(--tx-faint);
  background: #f8fafc;
  border: 1px solid var(--card-border);
  border-radius: var(--r-sm);
  padding: 6px 10px;
  line-height: 1.5;
}
.k2-priv-tech code {
  font-family: 'Menlo', 'Consolas', monospace;
  font-size: .85em;
  color: var(--brand-mid);
}
.k2-priv-footer {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  background: #f0fdf4;
  border: 1px solid #86efac;
  border-radius: var(--r-card);
  padding: 14px 18px;
  font-size: .8rem;
  color: #166534;
  line-height: 1.6;
  margin-bottom: 8px;
}
.k2-priv-footer-icon { font-size: 1.1rem; flex-shrink: 0; margin-top: 1px; }

/* ── Full-area content panels (settings, import) ────────────  */
.k2-panel-page {
  flex: 1 1 auto;
  overflow-y: auto;
  padding: 28px 24px;
  background: var(--body-bg);
}

/* ── Settings / Import page layout ──────────────────────────  */
.k2-set-page {
  max-width: 100%;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.k2-set-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}
.k2-set-title {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--tx-main);
  margin-bottom: 3px;
}
.k2-set-sub {
  font-size: .84rem;
  color: var(--tx-muted);
  line-height: 1.55;
  margin-top: 4px;
  max-width: 540px;
}
.k2-ksef-title-badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 10px 3px;
  border-radius: 7px;
  background: var(--sb-bg);
  color: #e2e8f0;
  font-weight: 800;
  font-size: .9rem;
  letter-spacing: -.01em;
  line-height: 1.4;
  vertical-align: middle;
  position: relative;
  top: -2px;
}
.k2-ksef-title-badge-e { color: #f87171; }
.k2.k2--dark .k2-ksef-title-badge {
  background: var(--sb-hi);
  color: var(--sb-bg);
}
.k2.k2--dark .k2-ksef-title-badge-e { color: #dc2626; }
.k2-set-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  align-items: start;
}
.k2-set-grid--import {
  grid-template-columns: 40% 1fr;
}
.k2-import-alert {
  margin-top: 16px;
}
.k2-set-grid--single {
  grid-template-columns: 1fr;
  max-width: 560px;
}
.k2-set-grid--two {
  grid-template-columns: 1fr 1fr;
}
.k2-set-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--r-card);
}
.k2-set-card-head {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 18px 12px;
  border-bottom: 1px solid var(--card-border);
}
.k2-set-card-icon { font-size: 1rem; }
.k2-set-card-title {
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--tx-muted);
}
.k2-set-card-body {
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.k2-set-actions {
  display: flex;
  gap: 8px;
  padding-bottom: 8px;
}
.k2-set-actions--inline {
  margin-top: 16px;
  padding-bottom: 0;
}
.k2-set-danger-zone {
  display: flex;
  gap: 8px;
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid rgba(239,68,68,.2);
}
.k2-set-card-sub {
  font-size: .8rem;
  color: var(--tx-muted);
  margin: 0 0 12px;
}
@media (max-width: 800px) {
  .k2-set-grid, .k2-set-grid--import { grid-template-columns: 1fr; }
}

/* ── Przycisk premium: Importuj dokumenty z KSeF ──────────── */
.k2-btn-import-premium {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 18px 10px 14px;
  border-radius: var(--r-btn, 10px);
  border: none;
  cursor: pointer;
  background: linear-gradient(135deg, #1d4ed8 0%, #2563eb 60%, #3b82f6 100%);
  box-shadow: 0 2px 8px rgba(37,99,235,.35), 0 1px 2px rgba(0,0,0,.12);
  transition: box-shadow .18s, transform .12s, background .18s;
  flex: 1 1 auto;
  width: 100%;
  text-align: left;
}
.k2-btn-import-premium:hover:not(:disabled) {
  background: linear-gradient(135deg, #1e40af 0%, #1d4ed8 60%, #2563eb 100%);
  box-shadow: 0 4px 16px rgba(37,99,235,.45), 0 1px 3px rgba(0,0,0,.15);
  transform: translateY(-1px);
}
.k2-btn-import-premium:active:not(:disabled) {
  transform: translateY(0);
  box-shadow: 0 1px 4px rgba(37,99,235,.3);
}
.k2-btn-import-premium:disabled {
  opacity: .55;
  cursor: not-allowed;
  transform: none;
}

.k2-btn-import-premium__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  background: rgba(255,255,255,.15);
  border-radius: 8px;
  color: #fff;
}

.k2-btn-import-premium__body {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.k2-btn-import-premium__label {
  font-size: .88rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: .01em;
  line-height: 1.2;
  white-space: nowrap;
}

.k2-btn-import-premium__sub {
  font-size: .71rem;
  font-weight: 400;
  color: rgba(255,255,255,.72);
  letter-spacing: .01em;
  line-height: 1.2;
}

/* dark mode — gradient nieco głębszy */
.k2--dark .k2-btn-import-premium {
  background: linear-gradient(135deg, #1e3a8a 0%, #1d4ed8 60%, #2563eb 100%);
  box-shadow: 0 2px 10px rgba(37,99,235,.5), 0 1px 2px rgba(0,0,0,.3);
}
.k2--dark .k2-btn-import-premium:hover:not(:disabled) {
  background: linear-gradient(135deg, #1e40af 0%, #1d4ed8 60%, #3b82f6 100%);
  box-shadow: 0 4px 18px rgba(37,99,235,.55);
}

/* ── Przycisk: Przejdź do faktur ────────────────────────── */
.k2-btn-goto-invoices {
  width: 100%;
  justify-content: center;
  gap: 8px;
  padding: 9px 16px;
  border-radius: var(--r-btn, 10px);
  border: 1.5px solid #10b981;
  background: #f0fdf4;
  color: #065f46;
  font-size: .84rem;
  font-weight: 700;
  cursor: pointer;
  transition: background .15s, box-shadow .15s, transform .12s;
}
.k2-btn-goto-invoices:hover {
  background: #dcfce7;
  box-shadow: 0 2px 8px rgba(16,185,129,.2);
  transform: translateY(-1px);
}
.k2-btn-goto-invoices:active {
  transform: translateY(0);
}
.k2--dark .k2-btn-goto-invoices {
  background: #052e16;
  border-color: #059669;
  color: #6ee7b7;
}
.k2--dark .k2-btn-goto-invoices:hover {
  background: #064e2a;
}

/* ── Blok akcji importu (obszar + przyciski) ─────────────── */
.k2-imp-action-block {
  margin-top: 4px;
  border: 1.5px solid var(--card-border, #e2e8f0);
  border-radius: var(--r-inner, 8px);
  overflow: hidden;
}

.k2-imp-action-block__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 16px;
  background: var(--sidebar-bg, #f8fafc);
  border-bottom: 1.5px solid var(--card-border, #e2e8f0);
  flex-wrap: wrap;
}

.k2-imp-action-block__lbl {
  font-size: .72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--tx-muted, #94a3b8);
  white-space: nowrap;
}

.k2-imp-action-block__btns {
  display: flex;
  gap: 8px;
  padding: 14px 16px;
  align-items: center;
  flex-wrap: wrap;
}

.k2-imp-start-btn {
  flex: 1 1 auto;
  justify-content: center;
}

.k2--dark .k2-imp-action-block {
  border-color: var(--card-border, #334155);
}
.k2--dark .k2-imp-action-block__row {
  background: var(--sidebar-bg, #0f172a);
  border-bottom-color: var(--card-border, #334155);
}

/* ── Import panel responsive ──────────────────────────────── */
@media (max-width: 600px) {
  #k2PanelImport .k2-set-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }
  #k2PanelImport .k2-set-header .k2-btn {
    align-self: flex-start;
  }
  #k2PanelImport .k2-field-row {
    flex-direction: column;
    gap: 10px;
  }
  #k2PanelImport .k2-imp-action-block__btns {
    flex-direction: column;
    gap: 8px;
  }
  #k2PanelImport .k2-imp-action-block__btns .k2-btn {
    width: 100%;
    justify-content: center;
  }
}

/* ── Drawers (right-side slide-in panels) ───────────────────  */
.k2-drawer {
  position: fixed;
  inset: 0;
  z-index: 800;
  display: flex;
  justify-content: flex-end;
}
.k2-drawer[hidden] { display: none; }

.k2-drawer-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(15,22,42,.45);
  backdrop-filter: blur(2px);
  animation: k2FadeIn .2s ease;
}

.k2-drawer-panel {
  position: relative;
  z-index: 1;
  width: 420px;
  max-width: 100vw;
  height: 100%;
  background: var(--card-bg);
  display: flex;
  flex-direction: column;
  box-shadow: -8px 0 40px rgba(0,0,0,.18);
  animation: k2SlideIn .25s cubic-bezier(.4,0,.2,1);
}

@keyframes k2FadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}
@keyframes k2SlideIn {
  from { transform: translateX(100%); }
  to   { transform: translateX(0); }
}

.k2-drawer-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 20px 14px;
  border-bottom: 1px solid var(--card-border);
  gap: 12px;
  flex-shrink: 0;
}

.k2-drawer-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--tx-main);
}

.k2-drawer-x {
  background: transparent;
  border: 1.5px solid var(--card-border);
  border-radius: var(--r-pill);
  width: 30px;
  height: 30px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: .8rem;
  color: var(--tx-muted);
  transition: all var(--t);
  flex-shrink: 0;
}
.k2-drawer-x:hover { background: #fee2e2; color: #b91c1c; border-color: #fecaca; }

.k2-drawer-body {
  flex: 1 1 auto;
  overflow-y: auto;
  padding: 18px 20px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.k2-drawer-foot {
  display: flex;
  gap: 8px;
  padding: 14px 20px 18px;
  border-top: 1px solid var(--card-border);
  flex-shrink: 0;
}

/* ── Panel: Firmy ────────────────────────────────────────── */
.k2-import-co-name {
  font-size: .78rem;
  color: var(--tx-muted);
  font-weight: 500;
}

/* ── Panel: Firmy ────────────────────────────────────────── */
.k2-co-panel-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.k2-co-panel-empty {
  padding: 32px 20px;
  text-align: center;
  color: var(--tx-muted);
  font-size: .85rem;
  background: var(--card-bg);
  border: 1.5px dashed var(--card-border);
  border-radius: var(--r-card);
}
.k2-co-panel-card {
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--card-bg);
  border: 1.5px solid var(--card-border);
  border-radius: var(--r-card);
  padding: 14px 16px;
  transition: border-color var(--t), box-shadow var(--t);
  cursor: pointer;
}
.k2-co-panel-card:hover { border-color: var(--brand-lite); box-shadow: 0 2px 10px rgba(59,130,246,.08); }
.k2-co-panel-card--active { border-color: var(--brand-lite); background: var(--brand-pale); }
.k2-co-panel-dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  flex-shrink: 0;
}
.k2-co-panel-info { flex: 1 1 auto; min-width: 0; }
.k2-co-panel-name { font-size: .9rem; font-weight: 600; color: var(--tx-main); }
.k2-co-panel-nip  { font-size: .76rem; color: var(--tx-muted); margin-top: 2px; }
.k2-co-panel-actions {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}
.k2-co-panel-badge {
  font-size: .67rem;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: var(--r-pill);
  white-space: nowrap;
  vertical-align: middle;
}
.k2-co-panel-badge--active { background: var(--brand); color: #fff; }
.k2-co-panel-badge--def    { background: #d1fae5; color: #065f46; border: 1px solid #a7f3d0; }
.k2-co-field--check {
  flex-direction: row;
  align-items: center;
  gap: 8px;
  cursor: pointer;
}
.k2-co-field--check input[type=checkbox] { width: 15px; height: 15px; flex-shrink: 0; cursor: pointer; }
.k2-co-field--check span { font-size: .8rem; font-weight: 400; color: var(--tx-mid); cursor: pointer; }
@media (max-width: 600px) {
  .k2-co-panel-card { flex-wrap: wrap; }
  .k2-co-panel-actions { width: 100%; justify-content: flex-end; }
}

/* ── Modal: Firmy ────────────────────────────────────────── */
.k2-co-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15,22,42,.55);
  backdrop-filter: blur(4px);
  z-index: 900;
  display: flex;
  align-items: center;
  justify-content: center;
}
.k2-co-modal {
  background: var(--card-bg);
  border-radius: 16px;
  box-shadow: 0 24px 80px rgba(0,0,0,.28);
  width: min(680px, 94vw);
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  animation: k2-modal-in .22s cubic-bezier(.34,1.56,.64,1);
  overflow: hidden;
}
.k2-co-modal-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px 10px;
  border-bottom: 1px solid var(--card-border);
  flex-shrink: 0;
}
.k2-co-modal-title {
  font-size: .95rem;
  font-weight: 700;
  color: var(--tx-main);
}
.k2-co-modal-close {
  background: transparent;
  border: 1.5px solid var(--card-border);
  border-radius: var(--r-pill);
  width: 28px;
  height: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: .78rem;
  color: var(--tx-muted);
  cursor: pointer;
  transition: all var(--t);
}
.k2-co-modal-close:hover { background: #fee2e2; color: #b91c1c; border-color: #fecaca; }
.k2-co-modal-body {
  padding: 14px 18px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  overflow-y: auto;
}
.k2-co-modal-foot {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
  padding: 12px 18px 16px;
  border-top: 1px solid var(--card-border);
  flex-shrink: 0;
}
.k2-co-cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px 20px;
}
.k2-co-col {
  display: flex;
  flex-direction: column;
  gap: 9px;
  min-width: 0;
}
.k2-co-col-title {
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: var(--tx-faint);
  margin-bottom: -2px;
}
.k2-co-cols--single { grid-template-columns: 1fr; }
@media (max-width: 620px) {
  .k2-co-cols { grid-template-columns: 1fr; }
}
.k2-co-field {
  display: flex;
  flex-direction: column;
  gap: 5px;
  font-size: .82rem;
}
.k2-co-field > span {
  font-size: .77rem;
  font-weight: 600;
  color: var(--tx-mid);
}
.k2-co-field input {
  padding: 7px 10px;
  border-radius: var(--r-sm);
  border: 1.5px solid var(--card-border);
  font-size: .83rem;
  color: var(--tx-main);
  background: var(--card-bg);
  outline: none;
  transition: border-color var(--t), box-shadow var(--t);
}
.k2-co-field input:focus {
  border-color: var(--brand-lite);
  box-shadow: 0 0 0 3px rgba(59,130,246,.12);
}
.k2-co-field textarea {
  padding: 8px 11px;
  border-radius: var(--r-sm);
  border: 1.5px solid var(--card-border);
  font-size: .85rem;
  font-family: inherit;
  color: var(--tx-main);
  background: var(--card-bg);
  outline: none;
  resize: vertical;
  transition: border-color var(--t), box-shadow var(--t);
}
.k2-co-field textarea:focus {
  border-color: var(--brand-lite);
  box-shadow: 0 0 0 3px rgba(59,130,246,.12);
}
.k2-co-optional { font-weight: 400; color: var(--tx-faint); }
.k2-co-div { height: 1px; background: var(--card-border); margin: 2px 0; }
.k2-co-enc-note {
  display: flex; align-items: flex-start; gap: 7px;
  font-size: .72rem; color: var(--tx-faint); line-height: 1.4;
  margin-top: -4px;
}
.k2-co-colors {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}
.k2-co-color-dot {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  cursor: pointer;
  border: 2.5px solid transparent;
  transition: transform var(--t), border-color var(--t);
  flex-shrink: 0;
}
.k2-co-color-dot:hover { transform: scale(1.18); }
.k2-co-color-dot.selected { border-color: var(--tx-main); transform: scale(1.15); }

/* GUS lookup */
.k2-co-nip-wrap { display: flex; align-items: center; gap: 6px; }
.k2-co-nip-wrap input { flex: 1 1 auto; min-width: 0; }
.k2-co-gus-status { font-size: .85rem; flex-shrink: 0; line-height: 1; min-width: 18px; text-align: center; }
.k2-co-gus-btn {
  flex-shrink: 0;
  padding: 0 10px;
  height: 34px;
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .04em;
  background: var(--brand-pale);
  color: var(--brand);
  border: 1px solid #bfdbfe;
  border-radius: 6px;
  cursor: pointer;
  transition: background .15s;
}
.k2-co-gus-btn:hover:not(:disabled) { background: #dbeafe; }
.k2-co-gus-btn:disabled { opacity: .5; cursor: not-allowed; }

.k2-co-gus-tag {
  display: inline-block;
  margin-left: 5px;
  font-size: .65rem;
  font-weight: 600;
  letter-spacing: .03em;
  padding: 1px 5px;
  border-radius: 4px;
  background: #d1fae5;
  color: #065f46;
  vertical-align: middle;
}

/* Sidebar company items */
.k2-co-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
  flex-shrink: 0;
}
.ni-sub {
  font-size: .58rem;
  color: var(--tx-faint);
  display: block;
  line-height: 1.2;
}
.k2-sb-label-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.k2-sb-label-btn {
  background: transparent;
  border: 1px solid rgba(255,255,255,.18);
  border-radius: 50%;
  width: 18px;
  height: 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: .8rem;
  color: rgba(255,255,255,.5);
  cursor: pointer;
  line-height: 1;
  transition: background var(--t), color var(--t), border-color var(--t);
  flex-shrink: 0;
}
.k2-sb-label-btn:hover { background: rgba(255,255,255,.18); color: #fff; border-color: rgba(255,255,255,.4); }
#k2CoAddBtn {
  flex-shrink: 0;
  width: 30px; height: 30px;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.14);
  border-radius: var(--r-sm);
  color: #fff;
  font-size: 1.1rem;
  line-height: 1;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  transition: background var(--t), border-color var(--t);
}
#k2CoAddBtn:hover { background: rgba(255,255,255,.18); border-color: rgba(255,255,255,.35); }

/* ── Sidebar: combo firm ─────────────────────────────────── */
.k2-co-select-wrap {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-top: 4px;
}
.k2-co-active-dot { display: none; }
#k2SbCompaniesList { flex: 1 1 auto; min-width: 0; }

/* custom dropdown */
.k2-co-dd { position: relative; width: 100%; }
.k2-co-dd-val {
  display: flex; align-items: center; gap: 6px;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.14);
  border-radius: var(--r-sm);
  color: #fff; font-size: .8rem;
  padding: 5px 8px; cursor: pointer;
  transition: border-color var(--t), background var(--t);
}
.k2-co-dd-val:hover { background: rgba(255,255,255,.13); }
.k2-co-dd-val--open { border-color: rgba(255,255,255,.35); }
.k2-co-dd-val--locked { cursor: default; }
.k2-co-dd-val--locked:hover { background: rgba(255,255,255,.08); }
.k2-co-dd-arr { margin-left: auto; font-size: .65rem; opacity: .5; flex-shrink: 0; }
.k2-co-dd-dot { width: 9px; height: 9px; border-radius: 50%; flex-shrink: 0; }
.k2-co-dd-name { flex: 1 1 auto; min-width: 0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.k2-co-dd-empty { opacity: .45; }
.k2-co-dd-list {
  position: absolute; top: calc(100% + 4px); left: 0; right: 0; z-index: 200;
  background: #1e293b; border: 1px solid rgba(255,255,255,.14);
  border-radius: var(--r-sm); overflow: hidden;
  box-shadow: 0 8px 24px rgba(0,0,0,.4);
}
.k2-co-dd-item {
  display: flex; align-items: center; gap: 8px;
  padding: 7px 10px; cursor: pointer; font-size: .8rem; color: #cbd5e1;
  transition: background var(--t);
}
.k2-co-dd-item:hover { background: rgba(255,255,255,.08); color: #fff; }
.k2-co-dd-item--active { background: rgba(255,255,255,.06); color: #fff; font-weight: 600; }
.k2-co-dd-empty-msg { padding: 8px 10px; font-size: .78rem; color: rgba(255,255,255,.3); }

.k2-co-row {
  display: flex;
  align-items: center;
  gap: 2px;
}
.k2-co-row .k2-nav-item { flex: 1 1 auto; min-width: 0; }
.k2-co-edit-btn {
  flex-shrink: 0;
  background: transparent;
  border: none;
  color: rgba(255,255,255,.28);
  font-size: 1rem;
  line-height: 1;
  padding: 0 4px;
  cursor: pointer;
  border-radius: 4px;
  transition: color var(--t), background var(--t);
  display: none;
}
.k2-co-row:hover .k2-co-edit-btn { display: block; }
.k2-co-edit-btn:hover { color: rgba(255,255,255,.8); background: rgba(255,255,255,.1); }

/* dark mode modal */
.k2-co-modal-overlay.k2--dark { background: rgba(0,0,0,.65); }
.k2-co-modal-overlay.k2--dark .k2-co-modal { background: #1e293b; box-shadow: 0 24px 80px rgba(0,0,0,.5); }
.k2-co-modal-overlay.k2--dark .k2-co-modal-head { border-bottom-color: rgba(255,255,255,.08); }
.k2-co-modal-overlay.k2--dark .k2-co-modal-title { color: #e2e8f0; }
.k2-co-modal-overlay.k2--dark .k2-co-modal-close { border-color: rgba(255,255,255,.12); color: #94a3b8; }
.k2-co-modal-overlay.k2--dark .k2-co-modal-close:hover { background: #450a0a; color: #fca5a5; border-color: #991b1b; }
.k2-co-modal-overlay.k2--dark .k2-co-field > span { color: #94a3b8; }
.k2-co-modal-overlay.k2--dark .k2-co-field input { background: #0f172a; border-color: rgba(255,255,255,.12); color: #e2e8f0; }
.k2-co-modal-overlay.k2--dark .k2-co-field input:focus { border-color: var(--brand-lite); }
.k2-co-modal-overlay.k2--dark .k2-co-field input::placeholder { color: #475569; }
.k2-co-modal-overlay.k2--dark .k2-co-field--check span { color: #94a3b8; }
.k2-co-modal-overlay.k2--dark .k2-co-modal-foot { border-top-color: rgba(255,255,255,.08); }
.k2-co-modal-overlay.k2--dark .k2-co-gus-btn { background: rgba(59,130,246,.15); border-color: rgba(59,130,246,.3); color: #93c5fd; }
.k2-co-modal-overlay.k2--dark .k2-co-field textarea { background: #0f172a; border-color: rgba(255,255,255,.12); color: #e2e8f0; }
.k2-co-modal-overlay.k2--dark .k2-co-field textarea::placeholder { color: #475569; }
.k2-co-modal-overlay.k2--dark .k2-co-div { background: rgba(255,255,255,.08); }
.k2-co-modal-overlay.k2--dark .k2-co-optional { color: #64748b; }
.k2-co-modal-overlay.k2--dark .k2-co-enc-note { color: #64748b; }
.k2-co-modal-overlay.k2--dark .k2-co-col-title { color: #64748b; }

/* ── Backup panel ───────────────────────────────────────────  */
.k2-panel-backup {
  flex: 1 1 auto;
  overflow-y: auto;
  padding: 28px 24px 48px;
  background: var(--body-bg);
  display: flex;
  flex-direction: column;
  gap: 20px;
}

/* ── Modules panel ───────────────────────────────────────────  */
.k2-panel-modules {
  padding: 0 !important;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  position: relative;
}

/* ── Module list (grid of tiles) ────────────────────────────  */
.k2-mod-list {
  flex: 1 1 auto;
  overflow-y: auto;
  padding: 24px 28px 48px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  background: var(--body-bg);
}
.k2-mod-list-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.k2-mod-title {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--tx-main);
  margin: 0 0 3px;
  line-height: 1.2;
}
.k2-mod-sub {
  font-size: .82rem;
  color: var(--tx-muted);
  margin: 0;
}
.k2-mod-search-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--card-bg);
  border: 1.5px solid var(--card-border);
  border-radius: 10px;
  padding: 0 12px;
  height: 38px;
  min-width: 200px;
  transition: border-color var(--t), box-shadow var(--t);
}
.k2-mod-search-wrap:focus-within {
  border-color: var(--brand-lite);
  box-shadow: 0 0 0 3px rgba(59,130,246,.12);
}
.k2-mod-search-icon { font-size: .85rem; color: var(--tx-faint); flex-shrink: 0; }
.k2-mod-search-inp {
  border: none; outline: none; background: transparent;
  font-size: .85rem; color: var(--tx-main); width: 100%; font-family: inherit;
}
.k2-mod-search-inp::placeholder { color: var(--tx-faint); }

/* ── Tiles grid ──────────────────────────────────────────────  */
.k2-mod-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(175px, 210px));
  gap: 14px;
}
.k2-mod-tile {
  --tile-color: #0f62ac;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 18px 12px 12px;
  border-radius: 14px;
  border: 1.5px solid var(--card-border);
  background: var(--card-bg);
  box-shadow: 0 2px 8px rgba(15,23,42,.06);
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: transform var(--t), box-shadow var(--t), border-color var(--t);
  min-height: 160px;
  text-align: center;
}
.k2-mod-tile::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: var(--tile-color);
  border-radius: 14px 14px 0 0;
}
.k2-mod-tile:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(15,23,42,.12);
  border-color: color-mix(in srgb, var(--tile-color) 35%, var(--card-border));
}
.k2-mod-tile:active { transform: translateY(0); }
.k2-mod-tile__badge {
  position: absolute; top: 8px; right: 8px;
  padding: 2px 6px; border-radius: 999px;
  background: var(--tile-color); color: #fff;
  font-size: .62rem; font-weight: 700; line-height: 1.4;
}
.k2-mod-tile__icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 46px; height: 46px; border-radius: 12px;
  background: color-mix(in srgb, var(--tile-color) 10%, var(--card-bg));
  color: var(--tile-color); font-size: 1.45rem; line-height: 1;
  flex-shrink: 0;
}
.k2-mod-tile__icon svg { width: 24px; height: 24px; stroke: var(--tile-color); fill: none; }
.k2-mod-tile__title {
  font-size: .87rem; font-weight: 700; color: var(--tx-main);
  line-height: 1.3; word-break: break-word;
}
.k2-mod-tile__desc {
  font-size: .72rem; color: var(--tx-muted); line-height: 1.4;
  word-break: break-word; flex: 1 1 auto;
  display: -webkit-box; -webkit-box-orient: vertical;
  -webkit-line-clamp: 3; overflow: hidden;
}
.k2-mod-tile__footer {
  display: flex; width: 100%; margin-top: auto; padding-top: 6px;
  border-top: 1px solid var(--card-border);
}
.k2-mod-tile__version { font-size: .65rem; font-weight: 600; color: var(--tx-faint); }
.k2-mod-empty, .k2-mod-no-results {
  display: flex; gap: 14px; align-items: flex-start;
  border: 1.5px dashed var(--card-border);
  border-radius: 12px; background: var(--card-bg);
  padding: 20px 18px; color: var(--tx-mid);
  font-size: .87rem; line-height: 1.5;
}
.k2-mod-empty-icon {
  width: 40px; height: 40px; display: inline-flex;
  align-items: center; justify-content: center;
  border-radius: 999px; background: var(--card-border);
  font-size: 1.3rem; flex-shrink: 0;
}
.k2-mod-empty code { background: var(--card-border); border-radius: 4px; padding: 1px 5px; }

/* ── Module viewer (open module) ─────────────────────────────  */
.k2-mod-viewer {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  background: var(--body-bg);
}
.k2-mod-viewer-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 16px;
  height: 44px;
  background: var(--card-bg);
  border-bottom: 1px solid var(--card-border);
  flex-shrink: 0;
}
.k2-mod-back-btn {
  display: flex; align-items: center; gap: 6px;
  padding: 5px 12px; border-radius: 8px;
  border: 1.5px solid var(--card-border);
  background: var(--card-bg); color: var(--tx-main);
  font-size: .82rem; font-weight: 600;
  cursor: pointer; transition: background var(--t), border-color var(--t);
  white-space: nowrap;
}
.k2-mod-back-btn:hover { background: var(--brand-pale); border-color: var(--brand-lite); color: var(--brand); }
.k2-mod-viewer-title {
  font-size: .88rem; font-weight: 700; color: var(--tx-main);
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.k2-mod-frame {
  flex: 1 1 auto;
  width: 100%;
  border: none;
  background: var(--body-bg);
}
.k2.k2--dark .k2-mod-viewer-bar {
  background: var(--card-bg);
  border-bottom-color: var(--card-border);
}
.k2.k2--dark .k2-mod-back-btn {
  background: var(--card-bg);
  border-color: var(--card-border);
  color: var(--tx-main);
}
.k2.k2--dark .k2-mod-viewer-title {
  color: var(--tx-main);
}
.k2.k2--dark .k2-mod-viewer {
  background: var(--body-bg);
}
.k2.k2--dark .k2-mod-frame {
  background: var(--body-bg);
}

.bk-notice {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  background: #fffbeb;
  border: 1px solid #fde68a;
  border-radius: 10px;
  padding: 14px 16px;
  font-size: .84rem;
  color: #78350f;
  line-height: 1.5;
}
.bk-notice-icon { font-size: 1.1rem; flex-shrink: 0; margin-top: 1px; }
.k2.k2--dark .bk-notice { background: rgba(120,53,15,.15); border-color: rgba(253,230,138,.2); color: #fde68a; }

.bk-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
@media (max-width: 680px) { .bk-grid { grid-template-columns: 1fr; } }

.bk-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 14px;
  overflow: hidden;
}
.bk-card--full { grid-column: 1 / -1; }

.bk-card-head {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--card-border);
  background: var(--body-bg);
}
.bk-card-icon  { font-size: 1.2rem; }
.bk-card-title { font-size: .95rem; font-weight: 700; flex: 1; color: var(--tx-main); }
.bk-card-body  { padding: 18px; display: flex; flex-direction: column; gap: 14px; }

.bk-stat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}
.bk-stat {
  background: var(--body-bg);
  border-radius: 10px;
  padding: 12px;
  text-align: center;
}
.bk-stat-val { font-size: 1.4rem; font-weight: 700; color: var(--brand); }
.bk-stat-lbl { font-size: .72rem; color: var(--tx-muted); margin-top: 2px; }

.bk-info { font-size: .82rem; color: var(--tx-mid); line-height: 1.5; }

.bk-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: 8px;
  font-size: .82rem;
  font-weight: 600;
  cursor: pointer;
  border: 1.5px solid transparent;
  transition: background .15s, border-color .15s;
  text-decoration: none;
}
.bk-btn:disabled { opacity: .5; cursor: not-allowed; }
.bk-btn-primary { background: var(--brand); color: #fff; border-color: var(--brand); }
.bk-btn-primary:hover:not(:disabled) { background: #1d3a9e; }
.bk-btn-ghost { background: transparent; color: var(--tx-mid); border-color: var(--card-border); }
.bk-btn-ghost:hover:not(:disabled) { background: var(--brand-pale); }
.bk-btn-danger { background: #dc2626; color: #fff; border-color: #dc2626; }
.bk-btn-danger:hover:not(:disabled) { background: #b91c1c; }
.bk-btn-lg { padding: 11px 20px; font-size: .9rem; width: 100%; justify-content: center; }
.bk-btn-sm { padding: 5px 10px; font-size: .75rem; }

.bk-status {
  font-size: .82rem;
  padding: 9px 12px;
  border-radius: 8px;
  line-height: 1.4;
}
.bk-status--ok   { background: #d1fae5; color: #065f46; }
.bk-status--err  { background: #fee2e2; color: #b91c1c; }
.bk-status--info { background: #dbeafe; color: #1e40af; }
.k2.k2--dark .bk-status--ok   { background: rgba(6,95,70,.25);  color: #6ee7b7; }
.k2.k2--dark .bk-status--err  { background: rgba(185,28,28,.25); color: #fca5a5; }
.k2.k2--dark .bk-status--info { background: rgba(30,64,175,.25); color: #93c5fd; }

.bk-history { display: flex; flex-direction: column; gap: 8px; }
.bk-history-empty { font-size: .82rem; color: var(--tx-faint); text-align: center; padding: 20px 0; }

.bk-history-row {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--body-bg);
  border: 1px solid var(--card-border);
  border-radius: 8px;
  padding: 10px 12px;
}
.bk-history-info { flex: 1; min-width: 0; }
.bk-history-date { font-size: .82rem; font-weight: 600; color: var(--tx-main); }
.bk-history-meta { font-size: .75rem; color: var(--tx-muted); margin-top: 2px; }
.bk-history-file { font-size: .72rem; color: var(--tx-faint); margin-top: 1px; font-family: monospace; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.bk-history-del  { color: var(--tx-faint); flex-shrink: 0; }
.bk-history-del:hover { color: #dc2626; border-color: #fecaca; }

.bk-restore-notice {
  background: #fff7ed;
  border: 1px solid #fed7aa;
  border-radius: 8px;
  padding: 12px 14px;
  font-size: .82rem;
  color: #7c2d12;
  line-height: 1.5;
}
.k2.k2--dark .bk-restore-notice { background: rgba(124,45,18,.2); border-color: rgba(253,186,116,.2); color: #fdba74; }

.bk-drop-zone {
  border: 2px dashed var(--card-border);
  border-radius: 10px;
  padding: 28px 20px;
  text-align: center;
  cursor: pointer;
  transition: border-color .15s, background .15s;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--tx-mid);
  font-size: .85rem;
}
.bk-drop-zone:hover         { border-color: var(--brand); background: var(--brand-pale); }
.bk-drop-zone--over         { border-color: var(--brand); background: var(--brand-pale); }
.bk-drop-zone--has-file     { border-color: #10b981; background: #ecfdf5; color: #065f46; }
.k2.k2--dark .bk-drop-zone--has-file { background: rgba(6,95,70,.2); color: #6ee7b7; }
.bk-drop-icon { font-size: 2rem; }

/* ── Responsive: narrow viewport ───────────────────────────  */
@media (max-width: 900px) {
  .k2-sidebar { width: 52px; }
  .k2-sb-label, .k2-company-info, .k2-cert-info, .ni-label, .ni-count,
  .k2-import-btn span:last-child, .k2-env-sel { display: none; }
  .k2-sb-section { padding: 8px 0; align-items: center; }
  .k2-nav-item { justify-content: center; }
  .k2-company-card, .k2-cert-card { background: transparent; border-color: transparent; justify-content: center; }
}