/**
 * App Templates Gallery Styles
 * Self-contained — re-declares the shared marketplace design tokens so this
 * page works without importing marketplace.css (different page, different
 * responsibility; tokens match because brand palette is fixed — see
 * CLAUDE.md "Wed UI polish").
 */

/* ── Reset & Base ─────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:      #080810;
  --surface: #0d0d1a;
  --raised:  #12121f;
  --accent:  #6ee7b7;
  --accent2: #a78bfa;
  --text:    #f0f0f8;
  --muted:   #7070a0;
  --border:  rgba(255,255,255,0.08);
  --border2: rgba(255,255,255,0.14);
  --danger:  #f87171;
  --radius:  8px;
  --radius-lg: 12px;
}

[data-theme="light"] {
  --bg:      #f7f8fc;
  --surface: #ffffff;
  --raised:  #ffffff;
  --text:    #14172a;
  --muted:   #6b7290;
  --border:  rgba(15, 17, 36, 0.10);
  --border2: rgba(15, 17, 36, 0.16);
}

html, body {
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: 'Space Grotesk', system-ui, sans-serif;
  font-size: 15px;
  line-height: 1.5;
}

a { color: inherit; text-decoration: none; }

/* ── Page Header (mirrors marketplace.css .page-header) ───────────── */
.tpl-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 0 24px;
  height: 56px;
  background: rgba(8,8,16,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.tpl-back-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--muted);
  padding: 6px 14px 6px 10px;
  border-radius: var(--radius);
  font-family: inherit;
  font-size: 0.82rem;
  font-weight: 500;
  cursor: pointer;
  text-decoration: none;
  transition: color 0.15s, border-color 0.15s, background 0.15s;
}
.tpl-back-btn:hover { color: var(--text); border-color: var(--border2); background: rgba(255,255,255,0.05); }

/* ── Search Bar ────────────────────────────────────────────────────── */
.tpl-search {
  position: relative;
  flex: 1;
  max-width: 480px;
}

.tpl-search-input {
  width: 100%;
  background: var(--raised);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 8px 16px 8px 40px;
  font-family: inherit;
  font-size: 0.9rem;
  color: var(--text);
  outline: none;
  transition: border-color 0.15s;
}
.tpl-search-input::placeholder { color: var(--muted); }
.tpl-search-input:focus { border-color: var(--accent); }

.tpl-search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--muted);
  font-size: 0.9rem;
}

/* ── Tab Toggle (Browse / My Templates) ───────────────────────────── */
.tpl-tab-toggle {
  display: flex;
  background: var(--raised);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 3px;
  gap: 2px;
}

.tpl-tab-btn {
  background: transparent;
  border: none;
  color: var(--muted);
  font-family: inherit;
  font-size: 0.8rem;
  font-weight: 600;
  padding: 5px 14px;
  border-radius: 6px;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}
.tpl-tab-btn.active {
  background: var(--accent);
  color: #0a1a12;
}
.tpl-tab-btn:not(.active):hover { color: var(--text); background: rgba(255,255,255,0.05); }

/* ── Page Layout (sidebar + main) ─────────────────────────────────── */
.tpl-page {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 0;
  min-height: calc(100vh - 56px);
}

.tpl-sidebar {
  padding: 24px 16px;
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.tpl-sidebar-label {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  padding: 4px 10px;
  margin-bottom: 4px;
}

.tpl-cat-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border-radius: var(--radius);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--muted);
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
  border: none;
  background: transparent;
  font-family: inherit;
  text-align: left;
  width: 100%;
}
.tpl-cat-btn:hover { color: var(--text); background: rgba(255,255,255,0.04); }
.tpl-cat-btn.active { color: var(--accent); background: rgba(110,231,183,0.1); }

.tpl-main {
  padding: 32px;
  overflow-y: auto;
}

.tpl-section-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 24px;
  gap: 12px;
  flex-wrap: wrap;
}
.tpl-section-title {
  font-size: 1.6rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text);
}
.tpl-section-sub {
  font-size: 0.85rem;
  color: var(--muted);
  font-weight: 500;
  margin-top: 4px;
}
.tpl-count {
  font-size: 0.75rem;
  color: var(--muted);
}

/* ── Card Grid ──────────────────────────────────────────────────────── */
.tpl-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 20px;
}

/* ── Card — premium feel (the explicitly-requested high-tech look) ── */
.tpl-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 18px;
  overflow: hidden;
  transition: transform 0.25s, border-color 0.25s, box-shadow 0.25s;
  position: relative;
  cursor: pointer;
}
.tpl-card:hover {
  transform: translateY(-4px);
  border-color: rgba(110,231,183,0.4);
  box-shadow: 0 20px 60px -20px rgba(110,231,183,0.35), 0 0 0 1px rgba(110,231,183,0.15);
}

/* Premium hover glow — gradient border ring via mask compositing */
.tpl-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 18px;
  padding: 1px;
  background: linear-gradient(135deg, transparent, transparent 40%, rgba(167,139,250,0.5));
  -webkit-mask:
    linear-gradient(#000 0 0) content-box,
    linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
          mask-composite: exclude;
  opacity: 0;
  transition: opacity 0.25s;
  pointer-events: none;
}
.tpl-card:hover::before { opacity: 1; }

/* Gradient thumbnail header */
.tpl-thumb {
  aspect-ratio: 16 / 10;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}
.tpl-thumb::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 30% 20%, rgba(255,255,255,0.18), transparent 50%);
}
.tpl-thumb-glyph {
  font-size: 3.5rem;
  filter: drop-shadow(0 4px 12px rgba(0,0,0,0.4));
  position: relative;
  z-index: 1;
}
.tpl-thumb-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  font-size: 0.65rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(0,0,0,0.35);
  color: #fff;
  letter-spacing: 0.04em;
  backdrop-filter: blur(6px);
  z-index: 1;
}

.tpl-body {
  padding: 18px 20px 20px;
}

.tpl-name {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 6px;
  letter-spacing: -0.01em;
}

.tpl-desc {
  color: var(--muted);
  font-size: 0.85rem;
  line-height: 1.5;
  margin-bottom: 14px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.tpl-screens {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 16px;
}

.tpl-screen-chip {
  font-size: 0.65rem;
  padding: 3px 8px;
  border-radius: 6px;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  color: var(--muted);
  font-weight: 500;
}

.tpl-actions {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
}

/* Primary button — green→dark-green gradient (per CLAUDE.md "Wed UI polish") */
.tpl-btn-primary {
  width: 100%;
  padding: 11px 16px;
  background: linear-gradient(135deg, #6ee7b7, #059669);
  color: #0a1a12;
  border: none;
  border-radius: 10px;
  font-weight: 700;
  font-size: 0.85rem;
  cursor: pointer;
  font-family: inherit;
  letter-spacing: -0.01em;
  transition: opacity 0.15s, transform 0.15s;
}
.tpl-btn-primary:hover  { opacity: 0.9;  transform: translateY(-1px); }
.tpl-btn-primary:active { transform: translateY(0); }
.tpl-btn-primary:disabled { opacity: 0.5; cursor: progress; }

.tpl-btn-secondary {
  padding: 9px 14px;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--muted);
  border-radius: 10px;
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
  transition: color 0.15s, border-color 0.15s;
}
.tpl-btn-secondary:hover { color: var(--text); border-color: var(--border2); }

/* ── Preview Drawer (slides in from right) ─────────────────────────── */
.tpl-drawer {
  position: fixed;
  top: 0;
  right: 0;
  width: 440px;
  max-width: 92vw;
  height: 100vh;
  background: var(--surface);
  border-left: 1px solid var(--border);
  z-index: 30;
  transform: translateX(100%);
  transition: transform 0.3s ease;
  display: flex;
  flex-direction: column;
  box-shadow: -20px 0 60px -20px rgba(0,0,0,0.5);
}
.tpl-drawer.open { transform: translateX(0); }

.tpl-drawer-header {
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  border-bottom: 1px solid var(--border);
}
.tpl-drawer-close {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--muted);
  width: 32px;
  height: 32px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  justify-content: center;
}
.tpl-drawer-close:hover { color: var(--text); border-color: var(--border2); }

.tpl-drawer-body {
  padding: 24px 24px 100px;
  overflow-y: auto;
  flex: 1;
}

.tpl-drawer-cta {
  position: absolute;
  bottom: 20px;
  left: 20px;
  right: 20px;
}

.tpl-drawer-thumb {
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  position: relative;
}
.tpl-drawer-thumb::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 30% 20%, rgba(255,255,255,0.2), transparent 55%);
  border-radius: 14px;
}
.tpl-drawer-glyph {
  font-size: 4rem;
  filter: drop-shadow(0 4px 12px rgba(0,0,0,0.4));
  position: relative;
  z-index: 1;
}

.tpl-drawer-title {
  font-size: 1.4rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text);
  margin-bottom: 6px;
}

.tpl-drawer-category {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}

.tpl-drawer-desc {
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.6;
  margin-bottom: 20px;
}

.tpl-drawer-section-title {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 10px;
}

.tpl-drawer-screens {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 24px;
}

.tpl-drawer-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 16px;
}
.tpl-drawer-tag {
  font-size: 0.7rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 6px;
  background: rgba(167,139,250,0.15);
  color: var(--accent2);
}

.tpl-drawer-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 25;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}
.tpl-drawer-backdrop.open { opacity: 1; pointer-events: auto; }

/* ── Loading Skeletons (mirror .skeleton-card pattern at marketplace.css:457) */
.tpl-skeleton {
  background: linear-gradient(90deg, var(--raised) 25%, var(--border) 50%, var(--raised) 75%);
  background-size: 200% 100%;
  animation: tplShimmer 1.4s infinite;
  border-radius: 6px;
}
@keyframes tplShimmer {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}
.tpl-skeleton-thumb { aspect-ratio: 16/10; border-radius: 12px 12px 0 0; }
.tpl-skeleton-line  { height: 12px; margin: 8px 20px; }
.tpl-skeleton-card  { background: var(--surface); border: 1px solid var(--border); border-radius: 18px; overflow: hidden; }

/* ── Empty State ───────────────────────────────────────────────────── */
.tpl-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 96px 24px;
  text-align: center;
  gap: 12px;
  grid-column: 1/-1;
}
.tpl-empty-icon  { font-size: 3rem; opacity: 0.4; }
.tpl-empty-title { font-size: 1rem; font-weight: 700; color: var(--muted); }
.tpl-empty-desc  { font-size: 0.85rem; color: #505080; max-width: 360px; }

/* ── Toast (reuses marketplace.css .toast visual pattern) ──────────── */
.tpl-toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--raised);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 18px;
  font-size: 0.85rem;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 10px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.4);
  z-index: 100;
  animation: tplToastIn 0.3s ease;
}
.tpl-toast.success { border-color: rgba(110,231,183,0.4); }
.tpl-toast.error   { border-color: rgba(248,113,113,0.4); }
@keyframes tplToastIn {
  from { transform: translateY(20px); opacity: 0; }
  to   { transform: translateY(0);     opacity: 1; }
}

/* ── Footer Link ───────────────────────────────────────────────────── */
.tpl-footer {
  text-align: center;
  padding: 40px 24px 56px;
  font-size: 0.85rem;
  color: var(--muted);
}
.tpl-footer a { color: var(--accent); font-weight: 600; }
.tpl-footer a:hover { color: var(--accent2); }

/* ── Responsive — collapse sidebar into horizontal chips at 768px ── */
@media (max-width: 768px) {
  .tpl-page { grid-template-columns: 1fr; }
  .tpl-sidebar {
    flex-direction: row;
    overflow-x: auto;
    padding: 14px 16px;
    border-right: none;
    border-bottom: 1px solid var(--border);
    gap: 6px;
    scrollbar-width: none;
  }
  .tpl-sidebar::-webkit-scrollbar { display: none; }
  .tpl-sidebar-label { display: none; }
  .tpl-cat-btn { width: auto; white-space: nowrap; flex-shrink: 0; }
  .tpl-main    { padding: 20px 16px; }
  .tpl-grid    { grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 14px; }
  .tpl-section-title { font-size: 1.3rem; }
  .tpl-drawer   { width: 100vw; }
}