/* =====================================================
   LLM Link — Admin Panel Styles
   Extends main.css design tokens
   ===================================================== */

.admin-body { background: var(--bg); }

/* ── Admin Nav ── */
.admin-nav {
  position: sticky; top: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  height: var(--nav-h);
  background: var(--fg);
  color: var(--bg);
  padding: 0 24px;
  border-bottom: 4px solid var(--fg);
}
.admin-nav-brand { display: flex; align-items: center; gap: 10px; }
.admin-nav-logo { width: 32px; height: 32px; object-fit: contain; }
.admin-nav-title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
}
.admin-nav-title em { font-style: italic; }
.admin-nav-title .mono { font-size: 0.65rem; opacity: 0.6; margin-left: 4px; letter-spacing: 0.1em; }
.admin-nav-links { display: flex; gap: 24px; align-items: center; }
.admin-nav-link {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  opacity: 0.7;
  border-bottom: 1px solid transparent;
  padding-bottom: 4px;
  transition: opacity 100ms, border-color 100ms;
}
.admin-nav-link:hover, .admin-nav-link--active { opacity: 1; border-bottom-color: var(--bg); }
.admin-nav-link--logout { color: #ff6b6b; opacity: 1; }
.admin-nav-hamburger { display: none; background: none; border: none; color: var(--bg); font-size: 1.4rem; cursor: pointer; }

@media (max-width: 900px) {
  .admin-nav-links { display: none; }
  .admin-nav-hamburger { display: block; }
}

/* ── Layout ── */
.admin-layout {
  display: grid;
  grid-template-columns: 220px 1fr;
  min-height: calc(100vh - var(--nav-h));
}
@media (max-width: 900px) { .admin-layout { grid-template-columns: 1fr; } }

.admin-sidebar {
  border-right: 2px solid var(--fg);
  padding: 32px 0;
  background: var(--muted);
}
@media (max-width: 900px) { .admin-sidebar { display: none; } }

.sidebar-nav { display: flex; flex-direction: column; }
.sidebar-link {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 24px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.03em;
  border-left: 3px solid transparent;
  transition: background 100ms, border-color 100ms;
}
.sidebar-link:hover { background: var(--border-lt); }
.sidebar-link--active { border-left-color: var(--fg); background: var(--bg); font-weight: 600; }
.sidebar-link--danger { color: #c00; }
.sidebar-icon { width: 18px; text-align: center; font-size: 1rem; }
.sidebar-divider { height: 1px; background: var(--border-lt); margin: 16px 24px; }

.admin-main { padding: 40px 32px 80px; max-width: 100%; overflow-x: auto; }
@media (max-width: 640px) { .admin-main { padding: 24px 16px 60px; } }

/* ── Page Header ── */
.admin-page-header {
  display: flex; align-items: flex-start; justify-content: space-between;
  margin-bottom: 32px; gap: 16px; flex-wrap: wrap;
}
.admin-page-title {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}
.admin-page-sub { color: var(--muted-fg); margin-top: 4px; font-size: 0.85rem; }

.section-title {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 16px;
}

/* ── Stats Grid ── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border: 2px solid var(--fg);
  margin-bottom: 48px;
}
@media (max-width: 768px) { .stats-grid { grid-template-columns: repeat(2, 1fr); } }

.stat-card {
  padding: 24px;
  border-right: 1px solid var(--border-lt);
  border-bottom: 1px solid var(--border-lt);
}
.stat-card:nth-child(4n) { border-right: none; }
@media (max-width: 768px) {
  .stat-card:nth-child(2n) { border-right: none; }
}
.stat-card--inverted { background: var(--fg); color: var(--bg); }
.stat-card-num { font-size: 2.2rem; font-weight: 400; line-height: 1; margin-bottom: 6px; }
.stat-card-label { font-family: var(--font-mono); font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted-fg); }
.stat-card--inverted .stat-card-label { color: rgba(255,255,255,0.65); }
.stat-card-meta { font-family: var(--font-mono); font-size: 0.65rem; margin-top: 6px; opacity: 0.6; }

/* ── Quick Actions ── */
.quick-actions { margin-bottom: 48px; }
.quick-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}
@media (max-width: 768px) { .quick-grid { grid-template-columns: repeat(2, 1fr); } }
.quick-card {
  display: flex; flex-direction: column; align-items: center; gap: 12px;
  padding: 28px 16px;
  border: 1px solid var(--fg);
  text-align: center;
  transition: background 100ms, color 100ms;
}
.quick-card:hover { background: var(--fg); color: var(--bg); }
.quick-icon { font-size: 1.8rem; }
.quick-label { font-family: var(--font-mono); font-size: 0.75rem; letter-spacing: 0.04em; }

/* ── Tables ── */
.table-section { margin-top: 16px; }
.table-section-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 16px; flex-wrap: wrap; gap: 12px;
}
.table-search-form { display: flex; gap: 8px; flex-wrap: wrap; }
.filter-bar { display: flex; gap: 8px; margin-bottom: 24px; flex-wrap: wrap; align-items: center; }
.filter-search { flex: 1; min-width: 200px; }

.table-wrap { overflow-x: auto; border: 2px solid var(--fg); }
.data-table { width: 100%; border-collapse: collapse; min-width: 800px; }
.data-table th {
  text-align: left;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 14px 16px;
  background: var(--fg);
  color: var(--bg);
  white-space: nowrap;
}
.data-table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--border-lt);
  font-size: 0.875rem;
  vertical-align: middle;
}
.table-row:hover { background: var(--muted); }
.table-row--paused { opacity: 0.6; }
.table-empty { text-align: center; padding: 48px !important; color: var(--muted-fg); }
.table-empty a { text-decoration: underline; color: var(--fg); }

.th-check { width: 36px; }
.sort-link { display: inline-flex; align-items: center; gap: 4px; color: inherit; }
.sort-arrow { font-size: 0.7rem; }
.sort-arrow--inactive { opacity: 0.4; }

.code-link { font-weight: 700; border-bottom: 1px solid var(--fg); }
.copy-inline {
  background: none; border: none; cursor: pointer;
  margin-left: 4px; opacity: 0.5; transition: opacity 100ms;
  font-size: 0.85rem;
}
.copy-inline:hover { opacity: 1; }

.link-cell { display: flex; flex-direction: column; gap: 2px; max-width: 320px; }
.link-title { font-weight: 600; }
.link-orig { color: var(--muted-fg); font-size: 0.78rem; }
.link-orig:hover { color: var(--fg); }
.tag-pills { display: flex; gap: 4px; flex-wrap: wrap; margin-top: 4px; }
.tag-pill {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.02em;
  padding: 2px 8px;
  border: 1px solid var(--border-lt);
  color: var(--muted-fg);
  transition: border-color 100ms, color 100ms;
}
.tag-pill:hover { border-color: var(--fg); color: var(--fg); }

.click-badge {
  display: inline-block;
  padding: 3px 10px;
  border: 1px solid var(--fg);
  font-size: 0.78rem;
  font-weight: 600;
}
.date-cell { font-size: 0.78rem; color: var(--muted-fg); }

.status-badge {
  display: inline-block;
  padding: 3px 10px;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border: 1px solid var(--fg);
}
.status-badge--active { background: var(--fg); color: var(--bg); }
.status-badge--paused { background: var(--bg); color: var(--fg); }

.qr-thumb-link { display: inline-block; }
.qr-thumb {
  width: 36px; height: 36px;
  object-fit: contain;
  border: 1px solid var(--border-lt);
  transition: transform 150ms;
}
.qr-thumb:hover { transform: scale(2.2); border-color: var(--fg); position: relative; z-index: 10; background: #fff; }

.action-btns { display: flex; gap: 6px; justify-content: flex-end; }
.action-btn {
  width: 30px; height: 30px;
  display: inline-flex; align-items: center; justify-content: center;
  border: 1px solid var(--fg);
  background: var(--bg);
  cursor: pointer;
  font-size: 0.85rem;
  transition: background 100ms, color 100ms;
}
.action-btn:hover { background: var(--fg); color: var(--bg); }
.action-btn--danger:hover { background: #c00; border-color: #c00; color: #fff; }

/* Pagination */
.pagination { display: flex; gap: 6px; margin-top: 24px; flex-wrap: wrap; }
.page-btn {
  width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center;
  border: 1px solid var(--fg);
  font-size: 0.8rem;
}
.page-btn--active { background: var(--fg); color: var(--bg); }
.page-btn:hover { background: var(--muted); }

/* Bulk actions bar */
.bulk-actions {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 16px;
  background: var(--fg); color: var(--bg);
  margin-bottom: 16px;
  flex-wrap: wrap;
}
.bulk-count { font-size: 0.8rem; margin-right: auto; }

/* ── Settings Page ── */
.settings-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
@media (max-width: 900px) { .settings-grid { grid-template-columns: 1fr; } }

.settings-card {
  border: 1px solid var(--fg);
  padding: 28px;
}
.settings-card-title {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 8px;
}
.settings-card-desc { color: var(--muted-fg); font-size: 0.85rem; margin-bottom: 20px; }
.settings-form { margin-top: 16px; }

.current-logo-wrap { margin-bottom: 24px; }
.current-logo-preview {
  display: flex; align-items: center; gap: 16px;
  border: 1px solid var(--border-lt);
  padding: 16px;
  margin-top: 8px;
}
.settings-logo-preview {
  width: 64px; height: 64px;
  object-fit: contain;
  border: 1px solid var(--border-lt);
  background: var(--fg);
  padding: 6px;
}
.settings-logo-name { font-size: 0.85rem; font-weight: 600; }
.settings-logo-path { font-size: 0.7rem; word-break: break-all; }

.file-drop-zone {
  position: relative;
  border: 2px dashed var(--fg);
  padding: 32px;
  text-align: center;
  cursor: pointer;
  transition: background 100ms;
}
.file-drop-zone.drop-active { background: var(--muted); }
.file-input { position: absolute; inset: 0; opacity: 0; cursor: pointer; }
.file-drop-icon { font-size: 1.8rem; display: block; margin-bottom: 8px; }
.file-drop-text { font-size: 0.9rem; margin-bottom: 4px; }
.file-drop-browse { text-decoration: underline; cursor: pointer; }
.file-drop-hint { font-size: 0.7rem; color: var(--muted-fg); }
.file-preview-wrap { display: flex; align-items: center; gap: 12px; justify-content: center; }
.file-preview-img { width: 48px; height: 48px; object-fit: contain; border: 1px solid var(--border-lt); background: var(--fg); padding: 4px; }
.file-preview-name { font-size: 0.78rem; }

.logo-library { margin-top: 28px; padding-top: 20px; border-top: 1px solid var(--border-lt); }
.logo-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(100px, 1fr)); gap: 12px; margin-top: 8px; }
.logo-item {
  border: 1px solid var(--border-lt);
  padding: 12px;
  text-align: center;
  display: flex; flex-direction: column; align-items: center; gap: 6px;
}
.logo-item--active { border: 2px solid var(--fg); }
.logo-item-img { width: 48px; height: 48px; object-fit: contain; background: var(--fg); padding: 4px; }
.logo-item-name { font-size: 0.65rem; }
.logo-item-badge {
  font-size: 0.6rem; letter-spacing: 0.06em; text-transform: uppercase;
  background: var(--fg); color: var(--bg); padding: 2px 8px;
}

.info-table { width: 100%; border-collapse: collapse; }
.info-table td { padding: 8px 0; border-bottom: 1px solid var(--border-lt); font-size: 0.82rem; }
.info-table td:last-child { text-align: right; }

/* ── Edit/Create Page ── */
.edit-grid {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 24px;
  align-items: start;
}
@media (max-width: 900px) { .edit-grid { grid-template-columns: 1fr; } }

.qr-detail-card { text-align: center; }
.qr-detail-img { width: 100%; max-width: 240px; border: 1px solid var(--border-lt); margin: 16px 0; }
.qr-detail-actions { display: flex; gap: 8px; justify-content: center; margin-bottom: 12px; }
.qr-filename { font-size: 0.7rem; word-break: break-all; }

/* ── Modal ── */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.6);
  z-index: 1000;
  display: flex; align-items: center; justify-content: center;
  padding: 24px;
}
.modal {
  background: var(--bg);
  border: 3px solid var(--fg);
  padding: 32px;
  max-width: 420px;
  width: 100%;
}
.modal-title { font-family: var(--font-display); font-size: 1.3rem; font-weight: 700; margin-bottom: 12px; }
.modal-body { color: var(--muted-fg); margin-bottom: 24px; line-height: 1.5; }
.modal-actions { display: flex; gap: 12px; justify-content: flex-end; }

/* ── Login Page ── */
.login-page {
  min-height: 100vh;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  padding: 24px;
}
.login-brand { text-align: center; margin-bottom: 32px; }
.login-logo {
  width: 80px; height: 80px;
  object-fit: contain;
  background: var(--fg);
  padding: 12px;
  margin-bottom: 16px;
}
.login-title { font-family: var(--font-display); font-size: 2.5rem; font-weight: 900; }
.login-title em { font-style: italic; }
.login-subtitle { color: var(--muted-fg); font-size: 0.8rem; letter-spacing: 0.1em; text-transform: uppercase; margin-top: 4px; }

.login-card {
  border: 3px solid var(--fg);
  padding: 40px;
  width: 100%;
  max-width: 400px;
}
.login-card-header { margin-bottom: 24px; }
.login-card-title { font-family: var(--font-display); font-size: 1.5rem; font-weight: 700; }
.login-card-desc { color: var(--muted-fg); font-size: 0.75rem; margin-top: 4px; }
.login-form .form-group { margin-bottom: 20px; }
.login-footer { margin-top: 24px; font-size: 0.7rem; color: var(--muted-fg); text-align: center; line-height: 1.6; }