/* ===== PASSWORD GATE – delete this block to disable protection ===== */
#pw-gate {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: var(--bg, #f5f5f7);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}
.pw-box {
  background: var(--surface, #fff);
  border: 1.5px solid var(--border, #e5e7eb);
  border-radius: 20px;
  padding: 2.5rem 2rem;
  width: 100%;
  max-width: 360px;
  text-align: center;
  box-shadow: 0 8px 32px var(--shadow, rgba(79,70,229,.14));
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}
.pw-logo { width: 48px; height: 48px; }
.pw-title { font-size: 1.4rem; font-weight: 800; color: var(--text, #1e1b4b); }
.pw-sub { font-size: .875rem; color: var(--text-muted, #6b7280); }
#pw-form {
  display: flex;
  flex-direction: column;
  gap: .6rem;
  width: 100%;
}
#pw-input {
  width: 100%;
  padding: .6rem 1rem;
  border: 1.5px solid var(--border, #e5e7eb);
  border-radius: 10px;
  background: var(--bg, #f5f5f7);
  color: var(--text, #1e1b4b);
  font-size: .95rem;
  outline: none;
  transition: border-color .2s;
}
#pw-input:focus { border-color: var(--accent, #4f46e5); }
#pw-form button {
  padding: .65rem;
  background: var(--accent, #4f46e5);
  color: white;
  border: none;
  border-radius: 10px;
  font-size: .95rem;
  font-weight: 700;
  cursor: pointer;
  transition: background .2s;
}
#pw-form button:hover { background: var(--accent-dark, #3730a3); }
.pw-error { font-size: .82rem; color: #ef4444; }
/* ===== END PASSWORD GATE ===== */

/* ===================== THEMES ===================== */
:root {
  /* Theme 0 – Indigo (default) */
  --accent:       #4f46e5;
  --accent-dark:  #3730a3;
  --accent-light: #e0e7ff;
  --bg:           #f5f5f7;
  --surface:      #ffffff;
  --text:         #1e1b4b;
  --text-muted:   #6b7280;
  --border:       #e5e7eb;
  --shadow:       rgba(79,70,229,.14);
}
[data-theme="1"] {
  --accent:       #0ea5e9;
  --accent-dark:  #0369a1;
  --accent-light: #e0f2fe;
  --bg:           #f0f9ff;
  --text:         #0c4a6e;
  --shadow:       rgba(14,165,233,.14);
}
[data-theme="2"] {
  --accent:       #10b981;
  --accent-dark:  #065f46;
  --accent-light: #d1fae5;
  --bg:           #f0fdf4;
  --text:         #064e3b;
  --shadow:       rgba(16,185,129,.14);
}
[data-theme="3"] {
  --accent:       #f59e0b;
  --accent-dark:  #b45309;
  --accent-light: #fef3c7;
  --bg:           #fffbeb;
  --text:         #78350f;
  --shadow:       rgba(245,158,11,.14);
}
[data-theme="4"] {
  --accent:       #ef4444;
  --accent-dark:  #991b1b;
  --accent-light: #fee2e2;
  --bg:           #fff5f5;
  --text:         #7f1d1d;
  --shadow:       rgba(239,68,68,.14);
}

/* ===================== RESET ===================== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; overflow-x: hidden; }
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  transition: background .3s, color .3s;
}

/* ===================== TOPBAR ===================== */
.topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2rem;
  height: 64px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 1px 12px var(--shadow);
  transition: box-shadow .3s;
}
.topbar-left {
  display: flex;
  align-items: center;
  gap: .75rem;
}
.logo-icon { width: 36px; height: 36px; }
.logo-text {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -.5px;
}
.topbar-right {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

/* Search */
.search-wrap {
  position: relative;
  display: flex;
  align-items: center;
}
.search-icon {
  position: absolute;
  left: .75rem;
  width: 16px;
  height: 16px;
  color: var(--text-muted);
  pointer-events: none;
}
#search {
  padding: .5rem .75rem .5rem 2.25rem;
  border: 1.5px solid var(--border);
  border-radius: 999px;
  background: var(--bg);
  color: var(--text);
  font-size: .875rem;
  width: 220px;
  outline: none;
  transition: border-color .2s, width .3s;
}
#search:focus {
  border-color: var(--accent);
  width: 280px;
}
#search::placeholder { color: var(--text-muted); }

/* Palette */
.palette-wrap {
  display: flex;
  align-items: center;
  gap: .5rem;
  background: var(--bg);
  padding: .35rem .65rem;
  border-radius: 999px;
  border: 1.5px solid var(--border);
}
.palette-btn {
  background: none;
  border: 2px solid transparent;
  border-radius: 50%;
  padding: 2px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color .2s, transform .15s;
}
.palette-btn:hover { transform: scale(1.15); }
.palette-btn.active { border-color: var(--accent); }
.dot {
  display: block;
  width: 18px;
  height: 18px;
  border-radius: 50%;
}

/* ===================== HERO ===================== */
.hero {
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: white;
  text-align: center;
  padding: 3rem 1rem 3.5rem;
  clip-path: polygon(0 0, 100% 0, 100% 85%, 0 100%);
}
.hero-title {
  font-size: 2.25rem;
  font-weight: 800;
  letter-spacing: -.5px;
  margin-bottom: .5rem;
}
.hero-sub { font-size: 1rem; opacity: .85; }

/* ===================== GRID ===================== */
.container {
  max-width: 1200px;
  margin: 2rem auto 4rem;
  padding: 0 2rem;
}
.pdf-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1.5rem;
}

/* Card */
.pdf-card {
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  cursor: pointer;
  transition: transform .2s, box-shadow .2s, border-color .2s;
  box-shadow: 0 2px 8px var(--shadow);
  display: flex;
  flex-direction: column;
}
.pdf-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 28px var(--shadow);
  border-color: var(--accent);
}
.card-thumb {
  height: 160px;
  background: var(--accent-light);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}
.card-thumb canvas {
  width: 100%;
  height: 100%;
  object-fit: contain;
}
.card-thumb-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .5rem;
  color: var(--accent);
}
.card-thumb-placeholder svg { width: 48px; height: 48px; opacity: .7; }
.card-thumb-placeholder span { font-size: .7rem; font-weight: 600; opacity: .6; text-transform: uppercase; letter-spacing: 1px; }
.card-body {
  padding: 1rem;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: .5rem;
}
.card-name {
  font-size: .9rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1.3;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.card-meta {
  font-size: .75rem;
  color: var(--text-muted);
}
.card-footer {
  display: flex;
  gap: .5rem;
  padding: .75rem 1rem;
  border-top: 1px solid var(--border);
}
.btn-read, .btn-dl {
  flex: 1;
  padding: .45rem .5rem;
  border-radius: 8px;
  font-size: .8rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: background .2s, color .2s;
  text-align: center;
  text-decoration: none;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: .3rem;
}
.btn-read {
  background: var(--accent);
  color: white;
}
.btn-read:hover { background: var(--accent-dark); }
.btn-dl {
  background: var(--accent-light);
  color: var(--accent-dark);
}
.btn-dl:hover { background: var(--accent); color: white; }
.btn-dl svg, .btn-read svg { width: 13px; height: 13px; }

/* Empty state */
.empty-state {
  grid-column: 1/-1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.25rem;
  padding: 5rem 2rem;
  text-align: center;
  color: var(--text-muted);
}
.empty-state svg { width: 80px; height: 80px; }
.empty-state p { font-size: .95rem; line-height: 1.6; }
.hidden { display: none !important; }

/* ===================== STATEMENT ===================== */
.statement {
  max-width: 760px;
  margin: 4rem auto 0;
  padding: 2.5rem 2.75rem;
  background: var(--surface);
  border-radius: 16px;
  box-shadow: 0 2px 12px var(--shadow);
}
.statement-body p {
  font-size: 1rem;
  line-height: 1.75;
  color: var(--text);
  margin-bottom: 1.1rem;
  text-align: justify;
  hyphens: auto;
}
.statement-body p:last-child { margin-bottom: 0; }
.statement-signature {
  margin-top: 1.75rem;
  font-style: italic;
  font-weight: 600;
  color: var(--text);
  text-align: right;
}

/* ===================== MODAL ===================== */
.modal {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}
.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,.55);
  backdrop-filter: blur(4px);
}
.modal-box {
  position: relative;
  z-index: 1;
  background: var(--surface);
  border-radius: 20px;
  width: min(900px, 100%);
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  box-shadow: 0 24px 60px rgba(0,0,0,.3);
  overflow: hidden;
}
.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border);
  background: var(--bg);
}
.modal-title {
  font-weight: 700;
  font-size: .95rem;
  color: var(--text);
  flex: 1;
  margin-right: 1rem;
  word-break: break-word;
  line-height: 1.35;
}
.modal-actions { display: flex; align-items: center; gap: .75rem; }
.btn-download {
  display: flex;
  align-items: center;
  gap: .4rem;
  padding: .45rem .9rem;
  background: var(--accent);
  color: white;
  border-radius: 8px;
  font-size: .82rem;
  font-weight: 600;
  text-decoration: none;
  transition: background .2s;
}
.btn-download:hover { background: var(--accent-dark); }
.btn-download svg { width: 14px; height: 14px; }
.btn-close {
  background: none;
  border: 1.5px solid var(--border);
  border-radius: 8px;
  padding: .4rem;
  cursor: pointer;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  transition: background .2s, color .2s;
}
.btn-close:hover { background: var(--accent-light); color: var(--accent); }
.btn-close svg { width: 16px; height: 16px; }

.modal-controls {
  display: flex;
  align-items: center;
  gap: .75rem;
  padding: .6rem 1.25rem;
  border-bottom: 1px solid var(--border);
  background: var(--bg);
}
.page-btn {
  padding: .35rem .8rem;
  border: 1.5px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  color: var(--text);
  font-size: .82rem;
  cursor: pointer;
  font-weight: 600;
  transition: background .2s, border-color .2s;
}
.page-btn:hover { border-color: var(--accent); background: var(--accent-light); }
.page-btn:disabled { opacity: .4; cursor: default; }
.page-info { font-size: .82rem; color: var(--text-muted); }

.canvas-wrap {
  overflow: auto;
  flex: 1;
  padding: 1.5rem;
  background: #e5e7eb;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
}
.canvas-wrap canvas {
  display: block;
  margin: 0 auto;
  background: white;
  box-shadow: 0 4px 20px rgba(0,0,0,.25);
  border-radius: 4px;
}
.canvas-wrap canvas + canvas {
  margin-top: 1rem;
}

.modal-controls { flex-wrap: wrap; justify-content: center; row-gap: .5rem; }

/* ===================== RESPONSIVE ===================== */
@media (max-width: 640px) {
  .topbar { padding: 0 1rem; height: 56px; }
  .logo-text { display: none; }
  #search { width: 140px; }
  #search:focus { width: 160px; }
  .hero-title { font-size: 1.5rem; }
  .container { padding: 0 1rem; }
  .palette-wrap { gap: .35rem; padding: .3rem .5rem; }
  .dot { width: 15px; height: 15px; }

  .statement { padding: 1.5rem 1.25rem; margin-top: 2.5rem; border-radius: 12px; }
  .statement-body p { font-size: .92rem; line-height: 1.65; text-align: left; }

  /* Modal — kompaktnejšie na mobile */
  .modal { padding: .5rem; }
  .modal-box { max-height: 95vh; border-radius: 14px; }
  .modal-header { padding: .65rem .75rem; }
  .modal-title { font-size: .85rem; }
  .modal-actions { gap: .4rem; }
  .btn-download { padding: .35rem .6rem; font-size: .75rem; }
  .btn-download svg { width: 12px; height: 12px; }
  .btn-close { padding: .3rem; }
  .modal-controls { padding: .5rem .6rem; gap: .4rem; }
  .page-btn { padding: .3rem .55rem; font-size: .75rem; }
  .page-info { font-size: .75rem; }
  .canvas-wrap { padding: .6rem; }
}