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

:root {
  --cream: #FAF7F2;
  --coral: #E8735A;
  --coral-dark: #D45E46;
  --ink: #2C2C2C;
  --ink-light: #555;
  --muted: #8A8A8A;
  --border: #E8E2D9;
  --card-bg: #FFFFFF;
  --header-h: 56px;
  --nav-h: 64px;
  --safe-bottom: env(safe-area-inset-bottom, 0px);
  --safe-top: env(safe-area-inset-top, 0px);
  --font-serif: 'Playfair Display', Georgia, serif;
  --font-sans: 'Inter', -apple-system, sans-serif;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 2px 12px rgba(44,44,44,.07);
  --shadow-md: 0 4px 24px rgba(44,44,44,.12);
}

html { font-size: 16px; -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--font-sans);
  background: var(--cream);
  color: var(--ink);
  min-height: 100dvh;
  overflow-x: hidden;
}

/* ─── App header ─── */
.app-header {
  position: fixed;
  top: 0;
  left: 0; right: 0;
  height: calc(var(--header-h) + var(--safe-top));
  padding-top: var(--safe-top);
  background: var(--cream);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-left: 20px;
  padding-right: 16px;
  z-index: 100;
}

.app-title {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.header-actions { display: flex; gap: 4px; }

.icon-btn {
  width: 40px; height: 40px;
  display: flex; align-items: center; justify-content: center;
  background: none; border: none; cursor: pointer;
  color: var(--ink-light);
  border-radius: 8px;
  transition: background .15s, color .15s;
}
.icon-btn:hover { background: var(--border); color: var(--ink); }

/* ─── Views ─── */
.view {
  display: none;
  padding-top: calc(var(--header-h) + var(--safe-top));
  padding-bottom: calc(var(--nav-h) + var(--safe-bottom) + 16px);
  min-height: 100dvh;
}
.view.active { display: block; }

/* ─── Toolbar ─── */
.toolbar {
  display: flex;
  gap: 10px;
  padding: 14px 16px 10px;
  position: sticky;
  top: calc(var(--header-h) + var(--safe-top));
  background: var(--cream);
  z-index: 50;
  border-bottom: 1px solid transparent;
}

.search-wrap {
  flex: 1;
  position: relative;
}
.search-icon {
  position: absolute;
  left: 10px;
  top: 50%; transform: translateY(-50%);
  color: var(--muted);
  pointer-events: none;
}
#searchInput {
  width: 100%;
  height: 40px;
  padding: 0 12px 0 34px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--card-bg);
  font-family: var(--font-sans);
  font-size: .875rem;
  color: var(--ink);
  outline: none;
  transition: border-color .15s;
}
#searchInput:focus { border-color: var(--coral); }

#sortSelect {
  height: 40px;
  padding: 0 10px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--card-bg);
  font-family: var(--font-sans);
  font-size: .875rem;
  color: var(--ink);
  outline: none;
  cursor: pointer;
  white-space: nowrap;
}
#sortSelect:focus { border-color: var(--coral); }

/* ─── Tag filters ─── */
.tag-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 8px 16px;
}
.tag-chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  border-radius: 20px;
  border: 1.5px solid var(--border);
  background: var(--card-bg);
  font-size: .75rem;
  font-family: var(--font-sans);
  color: var(--ink-light);
  cursor: pointer;
  transition: background .12s, border-color .12s, color .12s;
  white-space: nowrap;
}
.tag-chip.active {
  background: var(--coral);
  border-color: var(--coral);
  color: #fff;
}

/* ─── Bookmarks grid ─── */
.bookmarks-grid {
  padding: 12px 16px 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

@media (min-width: 641px) {
  .bookmarks-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1025px) {
  .bookmarks-grid { grid-template-columns: repeat(3, 1fr); padding: 16px 24px 0; }
}

/* list mode override */
.bookmarks-grid.list-mode {
  grid-template-columns: 1fr;
}

/* ─── Bookmark card (grid mode) ─── */
.bookmark-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  cursor: pointer;
  transition: box-shadow .2s, transform .15s;
  position: relative;
}
.bookmark-card:hover, .bookmark-card:focus-within {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.card-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  display: block;
  background: var(--border);
  flex-shrink: 0;
}
.card-image-placeholder {
  width: 100%;
  height: 200px;
  background: linear-gradient(135deg, #f0ece4 0%, #e8e2d8 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.card-image-placeholder svg { color: #c8c0b4; }

.card-body {
  padding: 14px 16px 12px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1;
}

.card-title {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.35;
  color: var(--ink);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-content {
  font-size: .8125rem;
  line-height: 1.5;
  color: var(--ink-light);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-top: 2px;
}
.card-tag {
  font-size: .6875rem;
  color: var(--coral);
  background: rgba(232,115,90,.08);
  border-radius: 4px;
  padding: 2px 6px;
  font-weight: 500;
}

.card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 16px 12px;
  border-top: 1px solid var(--border);
}
.card-date {
  font-size: .6875rem;
  color: var(--muted);
}
.card-delete {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--muted);
  padding: 4px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  transition: color .15s, background .15s;
}
.card-delete:hover { color: #D4544A; background: rgba(212,84,74,.08); }

/* ─── List mode card ─── */
.list-mode .bookmark-card {
  flex-direction: row;
  height: auto;
}
.list-mode .card-image {
  width: 120px;
  height: 120px;
  flex-shrink: 0;
  border-radius: 0;
}
.list-mode .card-image-placeholder {
  width: 120px;
  height: 120px;
  flex-shrink: 0;
  border-radius: 0;
}
.list-mode .card-body {
  flex: 1;
  padding: 12px 14px;
}
.list-mode .card-content {
  -webkit-line-clamp: 2;
}
.list-mode .card-footer {
  display: none;
}
.list-mode .card-body { border-top: none; }
.list-mode .card-title { font-size: .9375rem; }

/* ─── Empty & loading states ─── */
.empty-state {
  text-align: center;
  padding: 64px 24px;
}
.empty-title {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  color: var(--ink-light);
  margin-bottom: 8px;
}
.empty-sub {
  font-size: .875rem;
  color: var(--muted);
}
.loading-state {
  display: flex;
  justify-content: center;
  padding: 48px;
}
.spinner {
  width: 28px; height: 28px;
  border: 2.5px solid var(--border);
  border-top-color: var(--coral);
  border-radius: 50%;
  animation: spin .7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ─── Add view ─── */
.add-scroll {
  padding: 20px 16px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-width: 560px;
  margin: 0 auto;
}

/* Upload zone */
.upload-zone {
  position: relative;
  width: 100%;
  aspect-ratio: 16/9;
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  background: var(--card-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  overflow: hidden;
  transition: border-color .15s, background .15s;
}
.upload-zone:hover, .upload-zone:focus { border-color: var(--coral); outline: none; }
.upload-zone.dragover { border-color: var(--coral); background: rgba(232,115,90,.04); }

.upload-prompt {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  pointer-events: none;
}
.upload-label {
  font-size: .9375rem;
  font-weight: 500;
  color: var(--ink-light);
}
.upload-sub {
  font-size: .8125rem;
}

.upload-preview {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.remove-image-btn {
  position: absolute;
  top: 10px; right: 10px;
  width: 28px; height: 28px;
  border-radius: 50%;
  background: rgba(44,44,44,.65);
  color: #fff;
  border: none;
  cursor: pointer;
  font-size: .875rem;
  display: flex; align-items: center; justify-content: center;
}

/* Fields */
.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.field label {
  font-size: .8125rem;
  font-weight: 600;
  color: var(--ink);
}
.optional {
  font-weight: 400;
  color: var(--muted);
}
.field input,
.field textarea,
.field select {
  width: 100%;
  padding: 11px 14px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--card-bg);
  font-family: var(--font-sans);
  font-size: .9375rem;
  color: var(--ink);
  outline: none;
  transition: border-color .15s;
  resize: vertical;
}
.field input:focus,
.field textarea:focus { border-color: var(--coral); }
.field textarea { min-height: 80px; }

/* AI toggle */
.ai-toggle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 2px 0;
}
.ai-label {
  font-size: .9375rem;
  font-weight: 500;
  color: var(--ink);
}
.toggle { position: relative; cursor: pointer; }
.toggle input { position: absolute; opacity: 0; width: 0; height: 0; }
.toggle-track {
  display: block;
  width: 46px; height: 26px;
  background: var(--border);
  border-radius: 13px;
  position: relative;
  transition: background .2s;
}
.toggle input:checked + .toggle-track { background: var(--coral); }
.toggle-thumb {
  position: absolute;
  top: 3px; left: 3px;
  width: 20px; height: 20px;
  background: #fff;
  border-radius: 50%;
  transition: left .2s;
  box-shadow: 0 1px 4px rgba(0,0,0,.2);
}
.toggle input:checked + .toggle-track .toggle-thumb { left: 23px; }

/* Buttons */
.btn-primary,
.btn-secondary {
  width: 100%;
  height: 50px;
  border-radius: var(--radius-sm);
  border: none;
  font-family: var(--font-sans);
  font-size: .9375rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: opacity .15s, transform .1s;
}
.btn-primary:active, .btn-secondary:active { transform: scale(.98); }

.btn-primary {
  background: var(--coral);
  color: #fff;
}
.btn-primary:hover { background: var(--coral-dark); }
.btn-primary:disabled { opacity: .5; cursor: not-allowed; }

.btn-secondary {
  background: var(--card-bg);
  color: var(--ink);
  border: 1.5px solid var(--border);
}
.btn-secondary:hover { border-color: var(--coral); color: var(--coral); }

.btn-spinner {
  width: 18px; height: 18px;
  border: 2px solid rgba(255,255,255,.4);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin .7s linear infinite;
}
.btn-secondary .btn-spinner {
  border-color: rgba(44,44,44,.2);
  border-top-color: var(--ink);
}

.field-error {
  font-size: .8125rem;
  color: #D4544A;
  padding: 8px 12px;
  background: rgba(212,84,74,.07);
  border-radius: var(--radius-sm);
}

/* ─── Bottom nav ─── */
.bottom-nav {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  height: calc(var(--nav-h) + var(--safe-bottom));
  padding-bottom: var(--safe-bottom);
  background: var(--card-bg);
  border-top: 1px solid var(--border);
  display: flex;
  z-index: 100;
}
.nav-btn {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--muted);
  font-family: var(--font-sans);
  font-size: .6875rem;
  font-weight: 500;
  padding: 8px;
  transition: color .15s;
}
.nav-btn.active { color: var(--coral); }
.nav-btn svg { transition: transform .15s; }
.nav-btn:active svg { transform: scale(.9); }

/* ─── Utility ─── */
[hidden] { display: none !important; }