/* MediaFlow — style.css  v4 */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

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

/* ── Light Theme (Default) ─────────────────────────── */
:root {
  --bg:       #f4f3f0;
  --bg1:      #ffffff;
  --bg2:      #f0eeeb;
  --bg3:      #e8e5e0;
  --bg4:      #dedad3;
  --border:   #e2dfd8;
  --border2:  #ccc9c0;
  --accent:   #e05c2a;
  --accent2:  #f07040;
  --accent3:  #c04418;
  --accentbg: rgba(224,92,42,.1);
  --text:     #1a1814;
  --text2:    #5a5550;
  --text3:    #9a9590;
  --red:      #d93025;
  --green:    #1e8c45;
  --amber:    #c47a00;
  --shadow:   0 2px 16px rgba(0,0,0,.08);
  --shadow2:  0 8px 40px rgba(0,0,0,.12);
  --font: 'Outfit', system-ui, sans-serif;
  --mono: 'JetBrains Mono', monospace;
  --r: 10px;
  --r2: 16px;
  --sidebar-w: 260px;
  --topbar-h: 56px;
}

/* ── Dark Theme ─────────────────────────────────────── */
[data-theme="dark"] {
  --bg:       #0e0d0b;
  --bg1:      #161512;
  --bg2:      #1e1c18;
  --bg3:      #26231e;
  --bg4:      #302d27;
  --border:   #2c2922;
  --border2:  #3c3830;
  --accent:   #f07040;
  --accent2:  #f5885c;
  --accent3:  #ffa07a;
  --accentbg: rgba(240,112,64,.12);
  --text:     #ede9e2;
  --text2:    #a09890;
  --text3:    #605850;
  --red:      #ff5a4e;
  --green:    #3dffa0;
  --amber:    #ffb840;
  --shadow:   0 2px 16px rgba(0,0,0,.4);
  --shadow2:  0 8px 40px rgba(0,0,0,.6);
}

/* ── Base ───────────────────────────────────────────── */
html, body {
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 14px;
  line-height: 1.6;
  overflow: hidden;
  transition: background .25s, color .25s;
}

::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border2); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text3); }

/* ── Layout ─────────────────────────────────────────── */
#app {
  display: grid;
  grid-template-columns: var(--sidebar-w) 1fr;
  grid-template-rows: var(--topbar-h) 1fr;
  height: 100vh;
}

#topbar {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 20px;
  background: var(--bg1);
  border-bottom: 1px solid var(--border);
  position: relative;
  z-index: 20;
  transition: background .25s, border-color .25s;
}

#sidebar {
  background: var(--bg1);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: background .25s, border-color .25s;
}

#main {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--bg);
  transition: background .25s;
}

/* ── Logo ───────────────────────────────────────────── */
.logo {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -.4px;
  color: var(--text);
  text-decoration: none;
  flex-shrink: 0;
}

.logo-icon {
  width: 30px;
  height: 30px;
  background: var(--accent);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.logo-icon svg { width: 16px; height: 16px; fill: #fff; }

/* ── Topbar Search ──────────────────────────────────── */
.tb-search {
  flex: 1;
  max-width: 380px;
  position: relative;
}

.tb-search input {
  width: 100%;
  background: var(--bg2);
  border: 1.5px solid var(--border);
  border-radius: 9px;
  padding: 7px 12px 7px 36px;
  color: var(--text);
  font-family: var(--font);
  font-size: 13px;
  outline: none;
  transition: border-color .2s, background .2s;
}

.tb-search input:focus {
  border-color: var(--accent);
  background: var(--bg1);
}

.tb-search input::placeholder { color: var(--text3); }

.search-icon {
  position: absolute;
  left: 11px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text3);
  pointer-events: none;
}

/* ── Topbar Actions ─────────────────────────────────── */
.tb-actions {
  display: flex;
  gap: 8px;
  margin-left: auto;
  align-items: center;
}

/* Theme toggle */
.theme-btn {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  border: 1.5px solid var(--border);
  background: var(--bg2);
  color: var(--text2);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: .2s;
  flex-shrink: 0;
}

.theme-btn:hover { background: var(--bg3); color: var(--text); }
.theme-btn svg { width: 16px; height: 16px; }
.icon-sun { display: none; }
.icon-moon { display: block; }
[data-theme="dark"] .icon-sun { display: block; }
[data-theme="dark"] .icon-moon { display: none; }

/* Mobile menu button */
.mobile-menu-btn {
  display: none;
  width: 34px;
  height: 34px;
  border-radius: 8px;
  border: 1.5px solid var(--border);
  background: var(--bg2);
  color: var(--text2);
  cursor: pointer;
  align-items: center;
  justify-content: center;
  transition: .2s;
  flex-shrink: 0;
}

.mobile-menu-btn:hover { background: var(--bg3); color: var(--text); }
.mobile-menu-btn svg { width: 18px; height: 18px; }

/* ── Buttons ────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 13px;
  border-radius: var(--r);
  border: 1.5px solid var(--border);
  background: var(--bg2);
  color: var(--text2);
  font-family: var(--font);
  font-size: 12.5px;
  font-weight: 500;
  cursor: pointer;
  transition: .18s;
  white-space: nowrap;
  text-decoration: none;
}

.btn:hover { background: var(--bg3); color: var(--text); border-color: var(--border2); }

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

.btn-primary:hover {
  background: var(--accent2);
  border-color: var(--accent2);
  color: #fff;
}

.btn-danger {
  color: var(--red);
  border-color: var(--red);
}

.btn-danger:hover {
  background: rgba(217,48,37,.08);
  color: var(--red);
}

.btn svg { width: 14px; height: 14px; flex-shrink: 0; }
.btn-sm { padding: 4px 10px; font-size: 11.5px; }
.btn-sm svg { width: 12px; height: 12px; }
.btn-icon { padding: 7px; }

/* ── Sidebar ────────────────────────────────────────── */
.sidebar-section { padding: 10px 0; }

.sidebar-label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .1em;
  color: var(--text3);
  text-transform: uppercase;
  padding: 0 16px 5px;
}

.sidebar-item {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 7px 16px;
  cursor: pointer;
  color: var(--text2);
  transition: .15s;
  border-left: 2.5px solid transparent;
  font-size: 13.5px;
  font-weight: 500;
  user-select: none;
}

.sidebar-item:hover { color: var(--text); background: var(--bg2); }

.sidebar-item.active {
  color: var(--accent);
  background: var(--accentbg);
  border-left-color: var(--accent);
}

.sidebar-item svg { width: 16px; height: 16px; flex-shrink: 0; }

.sidebar-divider { height: 1px; background: var(--border); margin: 2px 0; }

#source-list { flex: 1; overflow-y: auto; padding-bottom: 8px; }

/* Source card */
.source-card {
  margin: 3px 10px;
  padding: 10px 12px;
  background: var(--bg2);
  border: 1.5px solid var(--border);
  border-radius: var(--r);
  cursor: pointer;
  transition: .18s;
}

.source-card:hover { border-color: var(--border2); background: var(--bg3); }

.source-card.active {
  border-color: var(--accent);
  background: var(--accentbg);
}

.source-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 3px;
  display: flex;
  align-items: center;
  gap: 5px;
  flex-wrap: wrap;
}

.badge {
  font-size: 9.5px;
  padding: 1px 6px;
  border-radius: 4px;
  font-weight: 700;
  letter-spacing: .04em;
}

.badge-video { background: rgba(224,92,42,.15); color: var(--accent); }
.badge-comic { background: rgba(196,122,0,.15); color: var(--amber); }
.badge-group { background: rgba(30,140,69,.15); color: var(--green); }

.source-host {
  font-size: 11px;
  color: var(--text3);
  font-family: var(--mono);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.source-actions {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 5px;
}

/* Bulk manage bar */
#bulk-bar {
  display: none;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  background: var(--accentbg);
  border-top: 1px solid var(--border);
  flex-shrink: 0;
  flex-wrap: wrap;
}

#bulk-bar.visible { display: flex; }

.source-check {
  width: 15px;
  height: 15px;
  cursor: pointer;
  accent-color: var(--accent);
  flex-shrink: 0;
}

/* ── Main toolbar ───────────────────────────────────── */
#main-toolbar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  background: var(--bg1);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
  transition: background .25s, border-color .25s;
}

#toolbar-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text2);
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.toolbar-right { display: flex; gap: 6px; margin-left: auto; align-items: center; }

#page-info { font-size: 12px; color: var(--text3); font-family: var(--mono); }

/* ── Category bar ───────────────────────────────────── */
.cat-scroll {
  display: flex;
  gap: 6px;
  overflow-x: auto;
  padding: 10px 14px;
  background: var(--bg1);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
  transition: background .25s;
}

.cat-scroll::-webkit-scrollbar { height: 0; }

.cat-tag {
  flex-shrink: 0;
  padding: 5px 13px;
  background: var(--bg2);
  border: 1.5px solid var(--border);
  border-radius: 20px;
  font-size: 12px;
  font-weight: 500;
  color: var(--text2);
  cursor: pointer;
  transition: .15s;
}

.cat-tag:hover { border-color: var(--border2); color: var(--text); }

.cat-tag.active {
  background: var(--accentbg);
  border-color: var(--accent);
  color: var(--accent);
}

/* ── Content area ───────────────────────────────────── */
#content-area { flex: 1; overflow: hidden; position: relative; }

/* ── Grid ───────────────────────────────────────────── */
#grid-view {
  padding: 16px;
  overflow-y: auto;
  height: 100%;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(155px, 1fr));
  gap: 13px;
  align-content: start;
}

.media-card {
  background: var(--bg1);
  border: 1.5px solid var(--border);
  border-radius: var(--r2);
  overflow: hidden;
  cursor: pointer;
  transition: .2s;
  position: relative;
}

.media-card:hover {
  border-color: var(--accent);
  transform: translateY(-3px);
  box-shadow: var(--shadow2);
}

.media-card:hover .card-overlay { opacity: 1; }

.card-thumb {
  width: 100%;
  aspect-ratio: 16 / 10;
  background: var(--bg3);
  overflow: hidden;
  position: relative;
}

.card-thumb.comic-ratio { aspect-ratio: 3 / 4; }

.card-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: .3s;
}

.media-card:hover .card-thumb img { transform: scale(1.04); }

.card-thumb-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--border2);
}

.card-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,.45);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: .2s;
}

.card-play-btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
}

.card-play-btn svg { width: 20px; height: 20px; fill: #fff; margin-left: 2px; }

.card-body { padding: 9px 11px 10px; }

.card-title {
  font-size: 12.5px;
  font-weight: 600;
  color: var(--text);
  line-height: 1.4;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.card-meta {
  font-size: 11px;
  color: var(--text3);
  margin-top: 4px;
  display: flex;
  gap: 5px;
  flex-wrap: wrap;
  align-items: center;
}

.card-badge {
  font-size: 10px;
  padding: 1px 6px;
  border-radius: 4px;
  background: var(--bg3);
  color: var(--text3);
  border: 1px solid var(--border);
}

/* ── Empty / Loading ────────────────────────────────── */
#empty-state {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  color: var(--text3);
  padding: 24px;
  text-align: center;
}

#empty-state svg { width: 52px; height: 52px; opacity: .2; }
#empty-state h3 { font-size: 17px; font-weight: 600; color: var(--text2); }
#empty-state p { font-size: 13px; max-width: 280px; line-height: 1.6; }

.loading-spinner {
  width: 30px;
  height: 30px;
  border: 2.5px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin .75s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* ── Page nav ───────────────────────────────────────── */
.page-nav {
  display: flex;
  align-items: center;
  gap: 6px;
  justify-content: center;
  padding: 16px 0 20px;
  grid-column: 1 / -1;
}

.page-nav button {
  padding: 6px 13px;
  background: var(--bg2);
  border: 1.5px solid var(--border);
  border-radius: var(--r);
  color: var(--text2);
  cursor: pointer;
  font-size: 12px;
  font-family: var(--font);
  font-weight: 500;
  transition: .15s;
}

.page-nav button:hover { background: var(--bg3); color: var(--text); border-color: var(--border2); }
.page-nav button.active { background: var(--accentbg); border-color: var(--accent); color: var(--accent); }
.page-nav-info { font-size: 12px; color: var(--text3); padding: 0 6px; }

/* ── Detail / Chapter view ──────────────────────────── */
#detail-view {
  position: absolute;
  inset: 0;
  background: var(--bg);
  display: none;
  flex-direction: column;
}

#detail-view.visible { display: flex; }

.detail-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  background: var(--bg1);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
  transition: background .25s;
}

.detail-title {
  font-size: 15px;
  font-weight: 600;
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.chapter-list-wrap { flex: 1; overflow-y: auto; padding: 14px; }

.chapter-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 8px;
}

.chapter-item {
  padding: 9px 12px;
  background: var(--bg2);
  border: 1.5px solid var(--border);
  border-radius: var(--r);
  cursor: pointer;
  font-size: 12.5px;
  font-weight: 500;
  color: var(--text2);
  transition: .15s;
  display: flex;
  align-items: center;
  gap: 6px;
}

.chapter-item:hover { background: var(--bg3); border-color: var(--accent); color: var(--accent); }
.chapter-item svg { width: 12px; height: 12px; flex-shrink: 0; }

/* ── Video player ───────────────────────────────────── */
#player-view {
  position: absolute;
  inset: 0;
  background: #000;
  display: none;
  flex-direction: column;
}

#player-view.visible { display: flex; }

.player-top {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  background: linear-gradient(#000 0%, transparent 100%);
  position: absolute;
  top: 0; left: 0; right: 0;
  z-index: 5;
}

#artplayer-container { width: 100%; flex: 1; min-height: 0; }
#artplayer-container .art-video-player { width: 100% !important; height: 100% !important; }

#quality-bar { display: none; gap: 6px; flex-shrink: 0; }

/* ── Comic reader ───────────────────────────────────── */
#comic-view {
  position: absolute;
  inset: 0;
  background: var(--bg);
  display: none;
  flex-direction: column;
  overflow: hidden;
}

#comic-view.visible { display: flex; }

/* Comic chapter nav bar */
.comic-nav-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 10px 16px;
  background: var(--bg1);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
  transition: background .25s;
}

.comic-nav-bar.bottom {
  border-bottom: none;
  border-top: 1px solid var(--border);
}

.comic-chapter-nav {
  display: flex;
  gap: 8px;
  align-items: center;
}

.comic-chapter-nav .placeholder {
  min-width: 100px;
}

#comic-pages {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: 8px;
}

#comic-pages img {
  max-width: 900px;
  width: 100%;
  display: block;
  user-select: none;
}

/* ── Modals ─────────────────────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, .55);
  z-index: 100;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
  backdrop-filter: blur(6px);
}

.modal-overlay.visible { display: flex; }

.modal {
  background: var(--bg1);
  border: 1.5px solid var(--border2);
  border-radius: var(--r2);
  width: 100%;
  max-width: 660px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow2);
  transition: background .25s;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.modal-title { font-size: 16px; font-weight: 700; }
.modal-body { flex: 1; overflow-y: auto; padding: 20px; }
.modal-footer {
  padding: 14px 20px;
  border-top: 1px solid var(--border);
  display: flex;
  gap: 8px;
  justify-content: flex-end;
  flex-shrink: 0;
  flex-wrap: wrap;
}

/* ── Forms ──────────────────────────────────────────── */
.form-group { margin-bottom: 14px; }
.form-label {
  font-size: 12px;
  color: var(--text2);
  margin-bottom: 5px;
  display: block;
  font-weight: 600;
  letter-spacing: .01em;
}

.form-hint {
  font-size: 11px;
  color: var(--text3);
  margin-top: 4px;
  line-height: 1.5;
}

input[type=text], textarea, select {
  width: 100%;
  background: var(--bg2);
  border: 1.5px solid var(--border);
  border-radius: var(--r);
  padding: 8px 12px;
  color: var(--text);
  font-family: var(--font);
  font-size: 13px;
  outline: none;
  transition: border-color .2s, background .2s;
}

input[type=text]:focus, textarea:focus, select:focus {
  border-color: var(--accent);
  background: var(--bg3);
}

textarea {
  resize: vertical;
  min-height: 80px;
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.6;
}

select option { background: var(--bg2); }

/* ── Rule sections ──────────────────────────────────── */
.rule-section {
  background: var(--bg2);
  border: 1.5px solid var(--border);
  border-radius: var(--r);
  margin-bottom: 10px;
  overflow: hidden;
}

.rule-section-header {
  padding: 10px 14px;
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 600;
  user-select: none;
  transition: background .15s;
}

.rule-section-header:hover { background: var(--bg3); }
.rule-section-header:hover .section-tag { color: var(--accent); }

.section-arrow { transition: transform .2s; flex-shrink: 0; color: var(--text3); }
.section-tag { font-size: 10px; padding: 1px 7px; border-radius: 10px; font-weight: 700; letter-spacing: .05em; margin-left: auto; background: var(--bg3); color: var(--text3); }

.rule-section-body { padding: 0 14px 14px; display: none; }
.rule-section-body.open { display: block; }

.rule-row {
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: 8px;
  margin-bottom: 8px;
  align-items: center;
}

.rule-key {
  font-size: 11px;
  color: var(--text3);
  font-family: var(--mono);
  font-weight: 500;
}

/* ── Toast ──────────────────────────────────────────── */
#toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 200;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
}

.toast-item {
  background: var(--bg1);
  border: 1.5px solid var(--border2);
  border-radius: var(--r);
  padding: 10px 16px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text);
  animation: toast-in .25s ease;
  box-shadow: var(--shadow2);
  max-width: 300px;
}

.toast-item.error { border-color: var(--red); color: var(--red); }
.toast-item.success { border-color: var(--green); color: var(--green); }

@keyframes toast-in {
  from { opacity: 0; transform: translateY(10px) scale(.96); }
  to   { opacity: 1; transform: none; }
}

/* ── Sidebar bottom area ────────────────────────────── */
.sidebar-bottom {
  padding: 10px;
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex-shrink: 0;
}

/* ── Search page ────────────────────────────────────── */
#search-page {
  padding: 24px;
  overflow-y: auto;
  height: 100%;
  display: none;
}

#search-page.visible { display: block; }

.search-page-header {
  margin-bottom: 20px;
}

.search-page-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 6px;
}

.search-page-sub { font-size: 13px; color: var(--text3); }

.search-big-wrap {
  display: flex;
  gap: 10px;
  margin-bottom: 24px;
}

.search-big-input {
  flex: 1;
  background: var(--bg1);
  border: 1.5px solid var(--border);
  border-radius: 12px;
  padding: 12px 16px;
  color: var(--text);
  font-family: var(--font);
  font-size: 15px;
  outline: none;
  transition: border-color .2s;
}

.search-big-input:focus { border-color: var(--accent); }
.search-big-input::placeholder { color: var(--text3); }

/* ══════════════════════════════════════════════════════
   RESPONSIVE  —  PC ≥ 1024px  |  Tablet 768-1023px  |  Mobile < 768px
   ══════════════════════════════════════════════════════ */

/* ── Source-form inner grid rows (JS-generated) ─────── */
.sf-row-3 {
  display: grid;
  grid-template-columns: 1fr 1fr 100px;
  gap: 8px;
  margin-bottom: 12px;
}
.sf-row-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-bottom: 14px;
}

/* ── PC / wide desktop (≥ 1280px) ──────────────────── */
@media (min-width: 1280px) {
  :root { --sidebar-w: 280px; }
  #grid-view {
    grid-template-columns: repeat(auto-fill, minmax(170px, 1fr));
    gap: 16px;
    padding: 20px;
  }
}

/* ── Tablet landscape / small desktop (768–1279px) ─── */
@media (max-width: 1279px) and (min-width: 768px) {
  :root { --sidebar-w: 230px; }
  #grid-view {
    grid-template-columns: repeat(auto-fill, minmax(145px, 1fr));
    gap: 12px;
    padding: 14px;
  }
}

/* ── Mobile (< 768px) ────────────────────────────────── */
@media (max-width: 767px) {
  :root { --sidebar-w: 0px; --topbar-h: 52px; }

  #app { grid-template-columns: 1fr; }

  /* Sidebar slides in from left as drawer */
  #sidebar {
    position: fixed;
    left: -290px;
    top: var(--topbar-h);
    bottom: 0;
    width: 290px;
    z-index: 50;
    transition: left .28s cubic-bezier(.4,0,.2,1);
    box-shadow: 4px 0 32px rgba(0,0,0,.22);
  }
  #sidebar.open { left: 0; }

  #sidebar-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,.45);
    z-index: 49;
    display: none;
    top: var(--topbar-h);
  }
  #sidebar-backdrop.visible { display: block; }

  /* Topbar: hamburger visible, logo text hidden */
  .mobile-menu-btn { display: flex; }
  .logo-text { display: none; }

  /* Search bar fills gap */
  .tb-search { max-width: none; flex: 1; min-width: 0; }

  /* Action buttons: shrink to icon-only on mobile */
  .tb-actions { gap: 6px; flex-shrink: 0; }
  .tb-actions .btn-text { display: none; }   /* hide text spans */
  .tb-actions .btn:not(.theme-btn) { padding: 7px 9px; }

  #main-toolbar { flex-wrap: wrap; gap: 6px; }

  /* Grid: auto-fill with smaller min */
  #grid-view {
    grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
    gap: 10px;
    padding: 12px;
  }

  #toast { bottom: 16px; right: 16px; left: 16px; }
  .toast-item { max-width: none; }

  .comic-nav-bar { flex-wrap: wrap; gap: 8px; }
  .comic-chapter-nav { gap: 6px; }

  .rule-row { grid-template-columns: 1fr; gap: 4px; }
  .rule-key { padding-top: 0; font-size: 10.5px; }

  /* Modal full-height on mobile */
  .modal { max-height: 96vh; margin: 8px; }
  .modal-body { padding: 14px; }
  .modal-footer { padding: 10px 14px; gap: 6px; flex-wrap: wrap; }

  /* Source form fields stack vertically */
  .sf-row-3, .sf-row-2 { grid-template-columns: 1fr; }

  #search-page { padding: 16px; }

  .chapter-grid { grid-template-columns: repeat(auto-fill, minmax(120px, 1fr)); }

  /* Sidebar bottom buttons side-by-side */
  .sidebar-bottom { flex-direction: row; gap: 6px; }
  .sidebar-bottom .btn { flex: 1; font-size: 12px; padding: 8px 6px; justify-content: center; }
}

/* ── Small mobile (< 480px) ─────────────────────────── */
@media (max-width: 479px) {
  :root { --topbar-h: 50px; }

  #topbar { padding: 0 12px; gap: 8px; }

  /* 2-column grid */
  #grid-view {
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
    padding: 10px;
  }

  .card-body { padding: 7px 9px 8px; }
  .card-title { font-size: 12px; }

  .detail-header { padding: 10px 12px; }
  .chapter-grid { gap: 6px; grid-template-columns: repeat(auto-fill, minmax(110px, 1fr)); }

  .search-big-input { font-size: 14px; padding: 10px 13px; }
  .page-nav { flex-wrap: wrap; padding: 12px 0 16px; }

  /* Sidebar bottom stacks back to column on very small */
  .sidebar-bottom { flex-direction: column; }
}

/* ── Bulk select checkbox styling ───────────────────── */
.source-card.selected {
  border-color: var(--accent);
  background: var(--accentbg);
}

.bulk-select-area {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--text2);
  flex: 1;
}

/* ── Filter panel (discoverMoreKeys) ───────────────── */
#cat-bar .cat-scroll {
  border-bottom: none;
  padding: 6px 10px;
}
#cat-bar .cat-scroll + .cat-scroll {
  border-top: 1px solid var(--border);
}