/* ─── Admin panel styles ─────────────────────────────────────────────────────── */

.admin-layout {
  display: grid;
  grid-template-columns: 220px 1fr;
  min-height: calc(100vh - 64px);
}

/* Sidebar */
.admin-sidebar {
  background: var(--bg-secondary);
  border-right: 1px solid var(--border);
  padding: 16px 0;
  display: flex;
  flex-direction: column;
}

.sidebar-section {
  padding: 8px 12px 4px;
  font-size: .7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--text-muted);
  margin-top: 8px;
}

.sidebar-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  font-size: .9rem;
  color: var(--text-secondary);
  text-decoration: none;
  border-radius: 0;
  transition: background var(--transition), color var(--transition);
  border-left: 2px solid transparent;
  cursor: pointer;
  background: none;
  border-top: none;
  border-right: none;
  border-bottom: none;
  width: 100%;
  text-align: left;
}
.sidebar-link:hover { background: var(--bg-card); color: var(--text-primary); text-decoration: none; }
.sidebar-link.active {
  background: rgba(88,166,255,.08);
  color: var(--accent-blue);
  border-left-color: var(--accent-blue);
}

.sidebar-spacer { flex: 1; }
.sidebar-user {
  padding: 12px 16px;
  border-top: 1px solid var(--border);
  font-size: .85rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Main content area */
.admin-content {
  padding: 32px;
  overflow-y: auto;
}

.content-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  gap: 16px;
}
.content-title {
  font-size: 1.3rem;
  font-weight: 700;
}
.content-title small {
  font-size: .8rem;
  font-weight: 400;
  color: var(--text-muted);
  margin-left: 8px;
}

/* Tab panel */
.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* Tables */
.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--bg-secondary);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: .875rem;
}
thead th {
  padding: 10px 16px;
  text-align: left;
  font-size: .75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
  background: var(--bg-secondary);
  white-space: nowrap;
}
thead th.sortable {
  cursor: pointer;
  user-select: none;
}
thead th.sortable:hover { color: var(--text-primary); }
thead th.sortable::after {
  content: '↕';
  margin-left: 5px;
  opacity: .3;
  font-size: .8em;
}
thead th.sortable.sort-asc::after  { content: '↑'; opacity: 1; color: var(--accent-blue); }
thead th.sortable.sort-desc::after { content: '↓'; opacity: 1; color: var(--accent-blue); }
tbody tr {
  border-bottom: 1px solid var(--border);
  transition: background var(--transition);
}
tbody tr:last-child { border-bottom: none; }
tbody tr:hover { background: var(--bg-card-hover); }
tbody td {
  padding: 12px 16px;
  color: var(--text-primary);
  vertical-align: middle;
}

.table-actions { display: flex; gap: 6px; align-items: center; }

/* Toggle switch */
.toggle-switch { position: relative; display: inline-block; width: 42px; height: 24px; }
.toggle-switch input { opacity: 0; width: 0; height: 0; }
.toggle-slider {
  position: absolute; inset: 0;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 999px;
  cursor: pointer;
  transition: background var(--transition);
}
.toggle-slider::before {
  content: '';
  position: absolute;
  width: 16px; height: 16px;
  left: 3px; top: 3px;
  background: var(--text-muted);
  border-radius: 50%;
  transition: transform var(--transition), background var(--transition);
}
.toggle-switch input:checked + .toggle-slider { background: rgba(63,185,80,.2); border-color: var(--accent-green); }
.toggle-switch input:checked + .toggle-slider::before { transform: translateX(18px); background: var(--accent-green); }

/* Drag-and-drop file upload */
.file-drop {
  border: 2px dashed var(--border);
  border-radius: var(--radius-lg);
  padding: 40px 24px;
  text-align: center;
  cursor: pointer;
  transition: border-color var(--transition), background var(--transition);
  color: var(--text-secondary);
}
.file-drop:hover, .file-drop.drag-over {
  border-color: var(--border-focus);
  background: rgba(88,166,255,.05);
  color: var(--text-primary);
}
.file-drop-icon { font-size: 2rem; margin-bottom: 8px; display: block; }
.file-drop input[type=file] { display: none; }
.file-drop-name {
  margin-top: 10px;
  font-size: .85rem;
  color: var(--accent-blue);
  font-weight: 500;
}

/* AMP parameter editor */
.param-editor {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.param-editor-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: .8rem;
  font-weight: 600;
  color: var(--text-muted);
  padding-bottom: 6px;
  border-bottom: 1px solid var(--border);
}
.param-row {
  display: grid;
  grid-template-columns: 1fr 100px 100px 28px;
  gap: 6px;
  align-items: center;
}
.param-row input, .param-row select {
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: .8rem;
  padding: 5px 8px;
  outline: none;
  transition: border-color var(--transition);
}
.param-row input:focus, .param-row select:focus { border-color: var(--border-focus); }
.remove-param-btn {
  background: none; border: 1px solid transparent;
  color: var(--text-muted); cursor: pointer;
  border-radius: var(--radius-sm); padding: 4px;
  line-height: 1; font-size: 1rem;
  transition: all var(--transition);
}
.remove-param-btn:hover { border-color: var(--accent-red); color: var(--accent-red); }

/* Version history */
.version-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-height: 300px;
  overflow-y: auto;
}
.version-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  font-size: .85rem;
}
.version-tag {
  font-family: var(--font-mono);
  color: var(--accent-blue);
  font-weight: 600;
  font-size: .8rem;
}
.version-changelog { color: var(--text-secondary); flex: 1; margin: 0 12px; }
.version-date { color: var(--text-muted); font-size: .78rem; white-space: nowrap; }

/* Color picker row */
.color-row {
  display: flex;
  align-items: center;
  gap: 8px;
}
.color-row input[type=color] {
  width: 40px; height: 36px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: none;
  cursor: pointer;
  padding: 2px;
}

/* Tag swatch in table */
.tag-swatch {
  display: inline-block;
  width: 12px; height: 12px;
  border-radius: 50%;
  margin-right: 6px;
  vertical-align: middle;
}

/* Login page */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-primary);
  padding: 24px;
}

.login-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 40px;
  width: 100%;
  max-width: 420px;
  box-shadow: var(--shadow-lg);
}

.login-logo {
  text-align: center;
  margin-bottom: 32px;
}
.login-logo img, .login-logo svg { height: 40px; }
.login-logo h1 {
  font-size: 1.2rem;
  font-weight: 600;
  margin-top: 12px;
  color: var(--text-primary);
}
.login-logo p {
  font-size: .85rem;
  color: var(--text-muted);
  margin-top: 4px;
}

.login-form { display: flex; flex-direction: column; gap: 16px; }
.login-error {
  background: rgba(248,81,73,.1);
  border: 1px solid rgba(248,81,73,.3);
  border-radius: var(--radius-md);
  padding: 10px 14px;
  font-size: .875rem;
  color: var(--accent-red);
  display: none;
}
.login-error.visible { display: block; }