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

:root {
  --bg: #0f0f0f;
  --bg2: #1a1a1a;
  --bg3: #242424;
  --border: #2e2e2e;
  --accent: #e63329;
  --accent2: #ff5f57;
  --text: #e8e8e8;
  --text2: #999;
  --text3: #666;
  --card-h: 180px;
  --sidebar-w: 220px;
}

html, body {
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, 'PingFang SC', 'Helvetica Neue', sans-serif;
  font-size: 14px;
  line-height: 1.5;
}

/* ── HEADER ── */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 52px;
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 16px;
  z-index: 100;
}
.logo { font-size: 17px; font-weight: 700; white-space: nowrap; }
.video-count { color: var(--text3); font-size: 12px; white-space: nowrap; }
.header-left { display: flex; align-items: center; gap: 10px; min-width: 160px; }
.header-center { flex: 1; }
.header-right { display: flex; align-items: center; gap: 8px; }

.search-input {
  width: 100%;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  padding: 7px 12px;
  font-size: 14px;
  outline: none;
  transition: border-color .2s;
}
.search-input:focus { border-color: var(--accent); }

.btn-mode {
  background: var(--bg3);
  border: 1px solid var(--border);
  color: var(--text2);
  border-radius: 6px;
  padding: 5px 12px;
  cursor: pointer;
  font-size: 13px;
  transition: all .15s;
}
.btn-mode.active, .btn-mode:hover { background: var(--accent); border-color: var(--accent); color: #fff; }

.sort-select {
  background: var(--bg3);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 6px;
  padding: 5px 8px;
  font-size: 13px;
  cursor: pointer;
  outline: none;
}

/* ── LAYOUT ── */
.layout {
  display: flex;
  margin-top: 52px;
  height: calc(100vh - 52px);
}

/* ── SIDEBAR ── */
.sidebar {
  width: var(--sidebar-w);
  flex-shrink: 0;
  background: var(--bg2);
  border-right: 1px solid var(--border);
  overflow-y: auto;
  padding: 12px 0 24px;
}
.sidebar::-webkit-scrollbar { width: 4px; }
.sidebar::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }

.sidebar-section {
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
}
.sidebar-title {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--text3);
  margin-bottom: 8px;
}
.filter-label {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 4px 0;
  cursor: pointer;
  color: var(--text2);
  font-size: 13px;
  transition: color .15s;
}
.filter-label:hover { color: var(--text); }
.filter-check {
  accent-color: var(--accent);
  width: 14px; height: 14px;
  cursor: pointer;
}
.count-badge {
  margin-left: auto;
  background: var(--bg3);
  color: var(--text3);
  font-size: 11px;
  padding: 1px 6px;
  border-radius: 10px;
  min-width: 20px;
  text-align: center;
}
.btn-clear-filters {
  display: block;
  margin: 12px auto 0;
  background: none;
  border: 1px solid var(--border);
  color: var(--text3);
  border-radius: 6px;
  padding: 5px 14px;
  cursor: pointer;
  font-size: 12px;
  transition: all .15s;
}
.btn-clear-filters:hover { border-color: var(--accent); color: var(--accent); }

/* ── MAIN ── */
.main {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
}
.main::-webkit-scrollbar { width: 6px; }
.main::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }

/* ── VIDEO GRID ── */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 12px;
}

.card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  cursor: pointer;
  transition: transform .15s, border-color .15s;
}
.card:hover { transform: translateY(-2px); border-color: var(--accent); }

.card-thumb {
  width: 100%;
  height: var(--card-h);
  object-fit: cover;
  background: #111;
  display: block;
}
.card-thumb-placeholder {
  width: 100%;
  height: var(--card-h);
  background: var(--bg3);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text3);
  font-size: 28px;
}
.card-thumb-wrap {
  position: relative;
  width: 100%;
  height: var(--card-h);
  overflow: hidden;
  background: #111;
}
.card-thumb-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: opacity .2s;
}
.card-thumb-wrap video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity .2s;
}
.card-thumb-wrap:hover img { opacity: 0; }
.card-thumb-wrap:hover video { opacity: 1; }
.card-play-icon {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,.7);
  font-size: 36px;
  pointer-events: none;
  transition: opacity .2s;
}
.card-thumb-wrap:hover .card-play-icon { opacity: 0; }
.card-body { padding: 8px 10px 10px; }
.card-title {
  font-size: 13px;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  color: var(--text);
  margin-bottom: 4px;
}
.card-title.untitled { color: var(--text3); font-style: italic; }
.card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-bottom: 4px;
}
.tag {
  background: var(--bg3);
  border-radius: 4px;
  font-size: 11px;
  padding: 1px 6px;
  color: var(--text2);
}
.tag.accent { background: rgba(230,51,41,.18); color: var(--accent2); }
.card-account {
  font-size: 11px;
  color: var(--text3);
  display: flex;
  align-items: center;
  gap: 4px;
}
.dot-untagged { width: 6px; height: 6px; border-radius: 50%; background: var(--text3); display: inline-block; }
.dot-tagged { width: 6px; height: 6px; border-radius: 50%; background: #4caf50; display: inline-block; }

/* ── PAGINATION ── */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  margin-top: 24px;
  flex-wrap: wrap;
}
.page-btn {
  background: var(--bg2);
  border: 1px solid var(--border);
  color: var(--text2);
  border-radius: 6px;
  padding: 5px 12px;
  cursor: pointer;
  font-size: 13px;
  transition: all .15s;
}
.page-btn:hover, .page-btn.active { background: var(--accent); border-color: var(--accent); color: #fff; }
.page-btn:disabled { opacity: .3; cursor: not-allowed; }

/* ── MODAL ── */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.85);
  z-index: 200;
  align-items: center;
  justify-content: center;
}
.modal-overlay.open { display: flex; }
.modal {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 12px;
  width: 90vw;
  max-width: 900px;
  max-height: 92vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  position: relative;
}
.modal-close {
  position: absolute;
  top: 10px; right: 12px;
  background: rgba(0,0,0,.6);
  border: none;
  color: #fff;
  width: 28px; height: 28px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 14px;
  z-index: 10;
  display: flex; align-items: center; justify-content: center;
}
.modal-video {
  width: 100%;
  max-height: 60vh;
  background: #000;
  display: block;
}
.modal-info { padding: 14px 16px 16px; overflow-y: auto; }
.modal-title { font-size: 16px; font-weight: 700; margin-bottom: 8px; }
.modal-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 8px; }
.modal-desc { color: var(--text2); font-size: 13px; margin-bottom: 12px; white-space: pre-wrap; }
.modal-footer { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 8px; }
.modal-nav { display: flex; gap: 8px; }
.modal-nav button {
  background: var(--bg3);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 6px;
  padding: 6px 14px;
  cursor: pointer;
  font-size: 13px;
}
.modal-nav button:hover { border-color: var(--accent); color: var(--accent); }
.tweet-link { color: var(--accent); font-size: 12px; text-decoration: none; }
.tweet-link:hover { text-decoration: underline; }

/* ── TAGGER ── */
.tagger {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  max-width: 1100px;
}
.tagger-video-wrap {
  flex: 0 0 420px;
  position: sticky;
  top: 0;
}
.tagger-video {
  width: 100%;
  border-radius: 10px;
  background: #000;
  display: block;
  max-height: 500px;
}
.tagger-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 10px;
  gap: 8px;
}
.tagger-nav button {
  background: var(--bg3);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 6px;
  padding: 6px 14px;
  cursor: pointer;
  font-size: 13px;
}
.tagger-nav button:hover { border-color: var(--accent); color: var(--accent); }
#taggerProgress { color: var(--text2); font-size: 13px; }

.tagger-form { flex: 1; min-width: 0; }
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: 12px; color: var(--text3); text-transform: uppercase; letter-spacing: .05em; margin-bottom: 6px; }
.form-input {
  width: 100%;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  padding: 8px 12px;
  font-size: 14px;
  outline: none;
  transition: border-color .2s;
  resize: vertical;
  font-family: inherit;
}
.form-input:focus { border-color: var(--accent); }

.tag-pills { display: flex; flex-wrap: wrap; gap: 8px; }
.pill {
  background: var(--bg3);
  border: 1px solid var(--border);
  color: var(--text2);
  border-radius: 20px;
  padding: 5px 14px;
  cursor: pointer;
  font-size: 13px;
  transition: all .15s;
  user-select: none;
}
.pill:hover { border-color: var(--accent); color: var(--accent); }
.pill.selected { background: var(--accent); border-color: var(--accent); color: #fff; }

.form-actions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 20px; }
.btn-save {
  background: var(--accent);
  border: none;
  color: #fff;
  border-radius: 8px;
  padding: 9px 22px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 600;
  transition: background .15s;
}
.btn-save:hover { background: var(--accent2); }
.btn-skip {
  background: var(--bg3);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 8px;
  padding: 9px 22px;
  cursor: pointer;
  font-size: 14px;
}
.btn-export {
  background: var(--bg3);
  border: 1px solid #4caf50;
  color: #4caf50;
  border-radius: 8px;
  padding: 9px 22px;
  cursor: pointer;
  font-size: 14px;
}
.btn-export:hover { background: rgba(76,175,80,.15); }

/* ── MOBILE FILTER BUTTON ── */
.btn-filter-mobile {
  display: none;
  background: var(--accent);
  border: none;
  color: #fff;
  border-radius: 6px;
  padding: 6px 12px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 600;
  white-space: nowrap;
}

/* ── SIDEBAR OVERLAY (mobile) ── */
.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.6);
  z-index: 149;
}
.sidebar-overlay.open { display: block; }

/* ── RESPONSIVE ── */
@media (max-width: 768px) {
  .tagger { flex-direction: column; }
  .tagger-video-wrap { flex: none; width: 100%; position: static; }
  .grid { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 10px; }
  :root { --card-h: 150px; }
}

@media (max-width: 480px) {
  /* Header: compact */
  .header { padding: 0 10px; gap: 8px; height: 50px; }
  .header-left { min-width: unset; }
  .video-count { display: none; }
  .header-right .sort-select { display: none; }
  .header-right .btn-mode[id="btnTag"] { display: none; }
  .layout { margin-top: 50px; height: calc(100vh - 50px); }

  /* Show filter button */
  .btn-filter-mobile { display: block; }

  /* Sidebar: hidden drawer, slides in from left */
  .sidebar {
    position: fixed;
    top: 50px;
    left: -280px;
    width: 280px;
    height: calc(100vh - 50px);
    z-index: 150;
    transition: left .25s ease;
    border-right: 1px solid var(--border);
    border-radius: 0 12px 12px 0;
  }
  .sidebar.open { left: 0; }

  /* Grid: 2 columns on phone */
  .grid { grid-template-columns: repeat(2, 1fr); gap: 8px; }
  :root { --card-h: 130px; }
  .main { padding: 10px; }

  /* Bigger tap targets on filter labels */
  .filter-label { padding: 7px 0; font-size: 14px; }
  .filter-check { width: 18px; height: 18px; }
  .btn-clear-filters { padding: 9px 20px; font-size: 13px; margin-top: 16px; }

  /* Card body compact */
  .card-body { padding: 6px 8px 8px; }
  .card-title { font-size: 12px; }

  /* Modal: full screen on mobile */
  .modal {
    width: 100vw;
    height: 100dvh;
    max-width: 100vw;
    max-height: 100dvh;
    border-radius: 0;
    border: none;
  }
  .modal-video { max-height: 45vh; }
  .modal-info { padding: 10px 14px 12px; }
  .modal-title { font-size: 15px; }
  .modal-close {
    top: 6px; right: 8px;
    width: 32px; height: 32px;
    font-size: 16px;
  }
  .modal-nav button { padding: 8px 16px; font-size: 14px; }

  /* Pagination: bigger buttons */
  .page-btn { padding: 8px 14px; font-size: 13px; }
}