/* === Components: Cards, Buttons, Forms, Badges, Tags, Flash === */

/* ---- Card ---- */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  margin-bottom: var(--gap);
}

.card-header {
  font-weight: 600;
  font-size: 1rem;
  padding-bottom: 12px;
  margin-bottom: 16px;
  border-bottom: 2px solid var(--accent);
  display: flex;
  align-items: center;
  gap: 8px;
}

.card-header i { color: var(--accent); font-size: 0.95rem; }

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-card);
  color: var(--text-primary);
  font-size: 0.9rem;
  cursor: pointer;
  transition: all var(--duration, 0.15s) var(--ease, ease);
  text-decoration: none;
  line-height: 1.4;
}

.btn:hover { border-color: var(--accent); color: var(--accent); }
.btn:active { transform: scale(0.97); }

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

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

.btn-sm { padding: 5px 10px; font-size: 0.82rem; }

.btn-block { display: flex; width: 100%; justify-content: center; }

.btn-danger { color: #e74c3c; border-color: #e74c3c; }
.btn-danger:hover { background: #e74c3c; color: #fff; }

/* ---- Form ---- */
.form-group { margin-bottom: 16px; }

.form-group label {
  display: block;
  font-weight: 500;
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.form-control {
  width: 100%;
  padding: 9px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-input);
  color: var(--text-primary);
  font-size: 0.93rem;
  font-family: inherit;
  transition: border-color 0.15s, box-shadow 0.15s;
}

.form-control:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-light);
}

textarea.form-control { min-height: 200px; resize: vertical; }

select.form-control { appearance: auto; }

/* ---- Tags ---- */
.tag-list { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; }

.tag {
  display: inline-block;
  padding: 3px 10px;
  background: var(--accent-light);
  color: var(--accent);
  border-radius: 12px;
  font-size: 0.8rem;
  font-weight: 500;
  text-decoration: none;
  transition: background 0.15s;
}

.tag:hover { background: var(--accent); color: #fff; }

/* ---- Flash Messages ---- */
.flash {
  padding: 12px 16px;
  border-radius: var(--radius);
  margin-bottom: 16px;
  font-size: 0.9rem;
  border: 1px solid transparent;
}

.flash-success { background: var(--success-bg); color: var(--success-text); border-color: var(--success-border); }
.flash-error { background: var(--danger-bg); color: var(--danger-text); border-color: var(--danger-border); }
.flash-info { background: var(--info-bg); color: var(--info-text); border-color: var(--info-border); }

/* ---- Table ---- */
.table-wrap { overflow-x: auto; }

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

th, td {
  padding: 10px 12px;
  text-align: left;
  border-bottom: 1px solid var(--border-light);
}

th { font-weight: 600; color: var(--text-secondary); font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.3px; }
tbody tr:nth-child(even) td { background: var(--bg-input); }
tr:hover td { background: var(--accent-lighter); }

/* ---- Badge ---- */
.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 10px;
  font-size: 0.78rem;
  font-weight: 600;
  line-height: 1.4;
}

.badge-primary { background: var(--accent); color: #fff; }
.badge-success { background: var(--success); color: #fff; }
.badge-muted { background: #e5e7eb; color: #6b7280; }

/* ---- Pagination ---- */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 20px 0;
}

.page-info { color: var(--text-muted); font-size: 0.88rem; }

/* ---- Search Box ---- */
.search-box {
  display: flex;
  gap: 0;
  margin-bottom: var(--gap);
}

.search-box input {
  flex: 1;
  padding: 9px 14px;
  border: 1px solid var(--border);
  border-right: none;
  border-radius: var(--radius) 0 0 var(--radius);
  background: var(--bg-card);
  font-size: 0.93rem;
  color: var(--text-primary);
}

.search-box input:focus { outline: none; border-color: var(--accent); }

.search-box button {
  padding: 9px 16px;
  border: 1px solid var(--accent);
  border-radius: 0 var(--radius) var(--radius) 0;
  background: var(--accent);
  color: #fff;
  cursor: pointer;
  font-size: 0.9rem;
  transition: background 0.15s;
}

.search-box button:hover { background: var(--accent-hover); }

/* ---- Stat Cards ---- */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 12px;
  margin-bottom: 20px;
}

.stat-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  text-align: center;
}

.stat-item .num {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent);
}

.stat-item .label {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-top: 4px;
}

/* ---- Video Info Card (bilibili) ---- */
.video-info-card {
  background: var(--accent-lighter, #f0f4ff);
  border: 1px solid var(--accent-light, #dbe4ff);
  border-left: 3px solid var(--accent, #4a6cf7);
  border-radius: var(--radius, 6px);
  padding: 12px 16px;
  margin-bottom: 20px;
  font-size: 0.9rem;
}
.video-info-card p { margin: 0; color: var(--text-secondary, #666); }
.video-info-card a { color: var(--accent, #4a6cf7); font-weight: 600; }
.video-info-card a:hover { text-decoration: underline; }
.video-info-card .fa { margin-right: 4px; }
/* ---- Wechat ID copy button ---- */
.wechat-id-row {
  display: flex;
  align-items: center;
  gap: 6px;
}
.wechat-id-text {
  user-select: all;
  cursor: pointer;
}
.wechat-copy-btn {
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2px 6px;
  cursor: pointer;
  color: var(--accent);
  font-size: 0.82rem;
  transition: all 0.15s;
}
.wechat-copy-btn:hover {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
.wechat-copy-btn.copied {
  color: #10b981;
  border-color: #10b981;
}

/* ---- QR zoom overlay ---- */
.qr-zoom-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.75);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: zoom-out;
  animation: fadeIn 0.15s;
  transition: opacity 0.18s ease;
}
.qr-zoom-overlay.closing {
  opacity: 0;
  pointer-events: none;
}
.qr-zoom-overlay img {
  max-width: 90vw;
  max-height: 85vh;
  border-radius: var(--radius);
  box-shadow: 0 8px 40px rgba(0,0,0,0.4);
  cursor: default;
  animation: qrZoomIn 0.2s ease;
}
.qr-zoom-close {
  position: absolute;
  top: 16px;
  right: 20px;
  width: 40px;
  height: 40px;
  border: none;
  border-radius: 50%;
  background: rgba(255,255,255,0.15);
  color: #fff;
  font-size: 26px;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s ease, transform 0.15s ease;
}
.qr-zoom-close:hover {
  background: rgba(255,255,255,0.3);
  transform: scale(1.08);
}
.qr-zoom-hint {
  position: absolute;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  color: rgba(255,255,255,0.75);
  font-size: 13px;
  background: rgba(0,0,0,0.45);
  padding: 6px 14px;
  border-radius: 999px;
  pointer-events: none;
  animation: fadeIn 0.3s 0.15s both;
}
@keyframes fadeIn { from { opacity: 0 } to { opacity: 1 } }
@keyframes qrZoomIn { from { transform: scale(0.92); opacity: 0 } to { transform: scale(1); opacity: 1 } }