/* ─────────────────────────────────────────
   style.css  –  Manuals PWA shared styles
   ───────────────────────────────────────── */

:root {
  --bg:          #ffffff;
  --bg2:         #f7f7f5;
  --bg3:         #efefec;
  --text:        #1a1a18;
  --text2:       #5a5a56;
  --text3:       #8a8a84;
  --border:      rgba(0,0,0,0.10);
  --border2:     rgba(0,0,0,0.18);
  --accent:      #185FA5;
  --accent-bg:   #E6F1FB;
  --accent-text: #0C447C;
  --danger:      #A32D2D;
  --danger-bg:   #FCEBEB;
  --success:     #3B6D11;
  --success-bg:  #EAF3DE;
  --radius:      10px;
  --radius-lg:   14px;
  --shadow:      0 1px 3px rgba(0,0,0,0.06);
}

[data-theme="dark"] {
  --bg:          #1c1c1a;
  --bg2:         #252523;
  --bg3:         #2e2e2b;
  --text:        #f0f0ec;
  --text2:       #b0b0a8;
  --text3:       #70706a;
  --border:      rgba(255,255,255,0.08);
  --border2:     rgba(255,255,255,0.15);
  --accent:      #4a9de0;
  --accent-bg:   #0c2a42;
  --accent-text: #85b7eb;
  --danger:      #e07070;
  --danger-bg:   #2e1515;
  --success:     #7ab845;
  --success-bg:  #1a2e08;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 16px; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg2);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  transition: background 0.2s, color 0.2s;
}

/* ── Layout ─────────────────────────────── */
.site-header {
  background: var(--bg);
  border-bottom: 0.5px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.25rem;
  height: 60px;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.logo {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.logo i { font-size: 20px; color: var(--accent); }
.logo-img { height: 28px; width: auto; display: block; border-radius: 4px; }

.header-actions {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 8px;
}

.main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 2rem 1.25rem;
}

/* ── Buttons ─────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  font-size: 14px;
  font-weight: 500;
  border-radius: var(--radius);
  border: 0.5px solid var(--border2);
  background: transparent;
  color: var(--text);
  cursor: pointer;
  transition: background 0.15s, opacity 0.15s;
  text-decoration: none;
  white-space: nowrap;
}
.btn:hover  { background: var(--bg3); }
.btn:active { opacity: 0.75; }

.btn-primary {
  background: var(--accent);
  color: #fff;
  border-color: transparent;
}
.btn-primary:hover { background: var(--accent-text); }

.btn-danger {
  background: var(--danger-bg);
  color: var(--danger);
  border-color: transparent;
}
.btn-danger:hover { opacity: 0.8; }

.btn-sm { padding: 5px 10px; font-size: 13px; }
.btn-icon { padding: 7px; }

/* ── Form controls ───────────────────────── */
input[type="text"],
input[type="password"],
input[type="search"],
select,
textarea {
  width: 100%;
  padding: 8px 12px;
  font-size: 14px;
  font-family: inherit;
  border: 0.5px solid var(--border2);
  border-radius: var(--radius);
  background: var(--bg);
  color: var(--text);
  outline: none;
  transition: border-color 0.15s;
}
input:focus, select:focus, textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(24,95,165,0.12);
}
textarea { resize: vertical; min-height: 80px; }

label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--text2);
  margin-bottom: 5px;
}

.form-group { margin-bottom: 1rem; }

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
@media (max-width: 600px) { .form-row { grid-template-columns: 1fr; } }

/* ── Cards ───────────────────────────────── */
.card {
  background: var(--bg);
  border: 0.5px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
}

/* ── Manual grid ─────────────────────────── */
.manual-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.25rem;
  margin-top: 1.5rem;
}

.manual-card {
  background: var(--bg);
  border: 2.5px solid var(--border2);
  border-radius: var(--radius-lg);
  padding: 0 1.25rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 12px;
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}
.manual-card:hover {
  transform: translateY(-3px);
  border-color: transparent;
  box-shadow: 0 12px 28px rgba(0,0,0,0.09), 0 3px 8px rgba(0,0,0,0.05);
}
[data-theme="dark"] .manual-card:hover {
  box-shadow: 0 12px 28px rgba(0,0,0,0.4), 0 3px 8px rgba(0,0,0,0.3);
}

.manual-card.selected {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(24,95,165,0.30), 0 0 22px rgba(24,95,165,0.35);
}
[data-theme="dark"] .manual-card.selected {
  box-shadow: 0 0 0 3px rgba(74,157,224,0.35), 0 0 22px rgba(74,157,224,0.45);
}

.manual-card-header {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin: 0 -1.25rem;
  padding: 1.1rem 1.25rem;
  background: #4F46E5; /* indigo-600 */
  border-radius: calc(var(--radius-lg) - 2.5px) calc(var(--radius-lg) - 2.5px) 0 0;
}
.manual-card-header .manual-title { color: #ffffff; }

.file-icon {
  width: 46px;
  height: 46px;
  border-radius: 12px;
  background: var(--accent-bg);
  color: var(--accent-text);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.file-icon.pdf-icon { background: var(--danger-bg);  color: var(--danger); }
.file-icon.img-icon { background: var(--success-bg); color: var(--success); }
.file-icon.doc-icon { background: var(--accent-bg);  color: var(--accent-text); }
.file-icon.xls-icon { background: var(--success-bg); color: var(--success); }

.manual-title {
  font-size: 14.5px;
  font-weight: 600;
  color: var(--text);
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.cat-tag {
  display: inline-block;
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--accent-text);
  background: var(--accent-bg);
  padding: 2px 9px;
  border-radius: 20px;
  margin-top: 6px;
}
.manual-desc {
  font-size: 13px;
  color: var(--text2);
  line-height: 1.5;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.manual-desc-empty { color: var(--text3); font-style: italic; }

.manual-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  padding-top: 4px;
  border-top: 0.5px solid var(--border);
}

.badge {
  font-size: 11px;
  font-weight: 500;
  padding: 2px 8px;
  border-radius: 20px;
  background: var(--bg3);
  color: var(--text2);
}
.badge-accent {
  background: var(--accent-bg);
  color: var(--accent-text);
}

/* ── Search & filter bar ─────────────────── */
.filter-bar {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: center;
}
.filter-bar input[type="search"] { flex: 1; min-width: 180px; }
.filter-bar select { width: auto; min-width: 140px; }
.cat-count { font-size: 13px; color: var(--text3); white-space: nowrap; }

/* ── Empty state ─────────────────────────── */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  text-align: center;
  padding: 4rem 1rem;
  color: var(--text3);
  font-size: 14px;
}

/* ── Toast ───────────────────────────────── */
#toast {
  position: fixed;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%) translateY(80px);
  background: var(--text);
  color: var(--bg);
  padding: 10px 20px;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 500;
  opacity: 0;
  transition: transform 0.25s, opacity 0.25s;
  z-index: 9999;
  pointer-events: none;
  white-space: nowrap;
}
#toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}
#toast.success { background: var(--success); color: #fff; }
#toast.error   { background: var(--danger);  color: #fff; }

/* ── Upload drop zone ────────────────────── */
.drop-zone {
  border: 1.5px dashed var(--border2);
  border-radius: var(--radius-lg);
  padding: 2.5rem 1.5rem;
  text-align: center;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
  color: var(--text2);
}
.drop-zone:hover, .drop-zone.drag-over {
  background: var(--accent-bg);
  border-color: var(--accent);
  color: var(--accent-text);
}
.drop-zone i { font-size: 36px; display: block; margin-bottom: 0.5rem; }

/* ── Admin table ─────────────────────────── */
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
.data-table th {
  text-align: left;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text3);
  padding: 8px 12px;
  border-bottom: 0.5px solid var(--border);
}
.data-table td {
  padding: 10px 12px;
  border-bottom: 0.5px solid var(--border);
  color: var(--text);
  vertical-align: middle;
}
.data-table tr:last-child td { border-bottom: none; }
.data-table tr:hover td { background: var(--bg2); }

/* ── Lang toggle ─────────────────────────── */
.lang-btn {
  font-size: 13px;
  font-weight: 600;
  padding: 5px 10px;
}
.lang-btn.active {
  background: var(--accent-bg);
  color: var(--accent-text);
  border-color: transparent;
}

/* ── Progress bar ────────────────────────── */
.progress-wrap {
  height: 4px;
  background: var(--bg3);
  border-radius: 4px;
  overflow: hidden;
  margin-top: 8px;
}
.progress-bar {
  height: 100%;
  background: var(--accent);
  width: 0%;
  transition: width 0.2s;
  border-radius: 4px;
}

/* ── Responsive ──────────────────────────── */
@media (max-width: 600px) {
  .manual-grid { grid-template-columns: 1fr; }
  .header-inner { padding: 0.6rem 1rem; height: auto; flex-wrap: wrap; row-gap: 8px; }
  .header-actions { margin-left: 0; width: 100%; justify-content: flex-end; flex-wrap: wrap; }
  .main { padding: 1.25rem 1rem; }
}

/* ── Modal ────────────────────────────────── */
.modal-overlay { display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.45); z-index: 200; align-items: center; justify-content: center; padding: 1rem; }
.modal-overlay.open { display: flex; }
.modal-box { background: var(--bg); border-radius: var(--radius-lg); padding: 1.5rem; width: 100%; max-width: 560px; max-height: 90vh; overflow-y: auto; }
.modal-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 1.25rem; }
.modal-title { font-size: 1rem; font-weight: 600; }
.modal-body { font-size: 14px; line-height: 1.7; color: var(--text); }
.modal-body p { margin-bottom: 0.9rem; }
.modal-body p:last-child { margin-bottom: 0; }
.modal-body ul { margin: 0 0 0.9rem 1.25rem; list-style: disc; }
.modal-body li { margin-bottom: 0.4rem; }
.modal-body h4 { font-size: 14px; font-weight: 600; color: var(--text); margin: 1.1rem 0 0.5rem; }
.modal-body h4:first-child { margin-top: 0; }
.modal-body strong { color: var(--text); }
.modal-body a { color: var(--accent); }

/* ── Help button (next to site title) ──────── */
.logo-group { display: flex; align-items: center; gap: 0.6rem; min-width: 0; }
.help-btn {
  width: 30px;
  height: 30px;
  flex-shrink: 0;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  border: none;
  font-size: 16px;
  font-weight: 700;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background .15s ease, transform .15s ease;
}
.help-btn:hover { background: var(--accent-text); transform: translateY(-1px); }

/* ── Install banner ──────────────────────── */
#install-banner {
  display: none;
  background: var(--accent-bg);
  color: var(--accent-text);
  padding: 10px 1.25rem;
  font-size: 14px;
  align-items: center;
  gap: 10px;
}
#install-banner.visible { display: flex; }