/* ================================================================
   HL新媒体管理系统 v2.2 — 冷灰白·极简工作室
   Plan B: 锌黑主色 + Inter 标题 + system-ui 正文 + 冷灰底色
   ================================================================ */

/* ----- Fonts: Inter (headings) + system sans-serif (body) ----- */

/* ===== CSS Custom Properties ===== */
:root {
  /* Background layers — neutral cool gray palette */
  --bg-root: #f8f9fa;
  --bg-surface: #ffffff;
  --bg-sidebar: #f1f3f5;
  --bg-input: #f8f9fa;
  --bg-hover: rgba(24, 24, 27, 0.04);

  /* Text — zinc scale */
  --text-primary: #18181b;
  --text-secondary: #52525b;
  --text-muted: #a1a1aa;

  /* Borders — sharper */
  --border-subtle: rgba(0, 0, 0, 0.06);
  --border-default: rgba(0, 0, 0, 0.10);
  --border-hover: rgba(0, 0, 0, 0.20);

  /* Accent — zinc-black / emerald / amber / red / blue */
  --accent-primary: #18181b;
  --accent-primary-dark: #09090b;
  --accent-primary-light: #3f3f46;
  --accent-green: #059669;
  --accent-green-light: #10b981;
  --accent-amber: #d97706;
  --accent-rose: #dc2626;
  --accent-blue: #2563eb;

  /* Radius — tighter */
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 10px;

  /* Fonts — system sans-serif, clean typography */
  --font-display: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-body: system-ui, -apple-system, 'Segoe UI', 'Noto Sans SC', sans-serif;
  --font-mono: 'JetBrains Mono', 'Cascadia Code', 'Fira Code', monospace;

  /* Shadows — sharper, more architectural */
  --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.06);
  --shadow-card-hover: 0 1px 2px rgba(0, 0, 0, 0.04), 0 4px 16px rgba(0, 0, 0, 0.08);
  --shadow-dropdown: 0 4px 6px rgba(0, 0, 0, 0.04), 0 10px 30px rgba(0, 0, 0, 0.10);
  --shadow-button: 0 1px 2px rgba(0, 0, 0, 0.04);

  /* Transitions */
  --ease-out-expo: cubic-bezier(0.19, 1, 0.22, 1);
  --duration-fast: 150ms;
  --duration-normal: 250ms;
}

/* ===== Base Reset ===== */
html {
  background: var(--bg-root);
  color: var(--text-primary);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background: var(--bg-root);
  min-height: 100vh;
}

/* ===== Scrollbar ===== */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
  background: rgba(0,0,0,0.12);
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover { background: rgba(0,0,0,0.22); }

/* ===== Typography ===== */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--text-primary);
  font-weight: 600;
  letter-spacing: -0.02em;
}

h1 { font-size: 1.625rem; }
h2 { font-size: 1.375rem; }
h3 { font-size: 1.125rem; }

.font-display { font-family: var(--font-display); }

/* ===== Page Header ===== */
.page-header {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.5rem;
}
.page-header h1 {
  font-size: 1.625rem;
  font-weight: 600;
}
.page-header p {
  color: var(--text-secondary);
  font-size: 0.875rem;
  margin-top: 0.25rem;
  font-style: normal;
  font-weight: 400;
}

/* ===== Back to Top ===== */
.back-to-top {
  position: fixed; bottom: 2rem; right: 2rem;
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  color: var(--text-secondary);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  opacity: 0; transform: translateY(10px);
  transition: all var(--duration-normal) var(--ease-out-expo);
  pointer-events: none; z-index: 40;
  box-shadow: var(--shadow-card);
}
.back-to-top.visible {
  opacity: 1; transform: translateY(0); pointer-events: auto;
}
.back-to-top:hover {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
  box-shadow: var(--shadow-card-hover);
}

/* ================================================================
   LAYOUT: Navbar — clean white with subtle shadow
   ================================================================ */

.navbar-glass {
  background: #ffffff;
  border-bottom: 1px solid var(--border-default);
}

/* ================================================================
   LAYOUT: Sidebar — warm cream tone
   ================================================================ */

.sidebar-cream {
  background: var(--bg-sidebar) !important;
  border-right: 1px solid var(--border-subtle);
}

.sidebar-brand {
  border-bottom: 1px solid var(--border-subtle);
}

.sidebar-cream .menu li a,
.sidebar-cream .menu li summary {
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  transition: all var(--duration-fast) var(--ease-out-expo);
  font-size: 0.875rem;
  font-family: var(--font-body);
}

.sidebar-cream .menu li a:hover,
.sidebar-cream .menu li summary:hover {
  background: rgba(24, 24, 27, 0.06);
  color: var(--text-primary);
}

/* Active — zinc left bar */
.sidebar-cream .menu li a.active {
  background: linear-gradient(90deg, rgba(24, 24, 27, 0.08) 0%, rgba(24, 24, 27, 0.02) 100%);
  color: var(--text-primary);
  font-weight: 600;
  border-left: 3px solid var(--accent-primary);
  padding-left: calc(0.75rem - 3px);
}

.sidebar-cream .menu details[open] > summary {
  color: var(--text-primary);
  font-weight: 500;
}

.sidebar-footer {
  border-top: 1px solid var(--border-subtle);
  color: var(--text-muted);
  font-size: 0.75rem;
  font-family: var(--font-mono);
}

/* ================================================================
   CARDS
   ================================================================ */

.card, .card.bg-base-100, .card.bg-base-200 {
  background: var(--bg-surface) !important;
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-card);
  border-radius: var(--radius-md);
}

.card-hover {
  transition: all var(--duration-normal) var(--ease-out-expo);
}
.card-hover:hover {
  box-shadow: var(--shadow-card-hover);
  border-color: var(--border-default);
  transform: translateY(-2px);
}

.stat-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  position: relative;
  overflow: hidden;
  transition: all var(--duration-normal) var(--ease-out-expo);
}
.stat-card:hover {
  box-shadow: var(--shadow-card-hover);
}
/* Bottom accent bar — subtle */
.stat-card::after {
  content: '';
  position: absolute; bottom: 0; left: 0; right: 0;
  height: 3px;
  border-radius: 0 0 var(--radius-md) var(--radius-md);
}
.stat-card.accent-primary::after  { background: var(--accent-primary); }
.stat-card.accent-green::after    { background: var(--accent-green); }
.stat-card.accent-amber::after    { background: var(--accent-amber); }
.stat-card.accent-rose::after     { background: var(--accent-rose); }
.stat-card.accent-blue::after     { background: var(--accent-blue); }

.stat-number {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-primary);
}
.stat-label {
  color: var(--text-secondary);
  font-size: 0.8125rem;
  margin-top: 0.25rem;
}

.chart-container {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  box-shadow: var(--shadow-card);
}

/* ================================================================
   TABLES
   ================================================================ */

.table {
  background: transparent !important;
  border-collapse: separate;
  border-spacing: 0;
}
.table thead th {
  background: var(--bg-root);
  color: var(--text-secondary);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: none;
  letter-spacing: 0;
  border-bottom: 1px solid var(--border-default);
  padding: 0.75rem 1rem;
  position: sticky; top: 0; z-index: 2;
  font-family: var(--font-body);
}
.table tbody td {
  border-bottom: 1px solid var(--border-subtle);
  padding: 0.75rem 1rem;
  color: var(--text-primary);
  font-size: 0.875rem;
}
.table tbody tr { transition: background var(--duration-fast); }
.table tbody tr:hover { background: rgba(24, 24, 27,0.04); }
.table-hover tbody tr:hover { background: rgba(24, 24, 27,0.06) !important; }

/* Override DaisyUI table-zebra fallback — oklch(0.2 0 0) defaults to near-black without data-theme */
.table-zebra tbody tr:nth-child(even) {
  background: rgba(0, 0, 0, 0.02);
}

/* ================================================================
   FORMS
   ================================================================ */

.input, .select, .textarea {
  background: var(--bg-input) !important;
  border: 1px solid var(--border-default) !important;
  color: var(--text-primary) !important;
  border-radius: var(--radius-sm) !important;
  transition: all var(--duration-fast) var(--ease-out-expo);
}
.input:focus, .select:focus, .textarea:focus {
  border-color: var(--accent-primary) !important;
  box-shadow: 0 0 0 3px rgba(24, 24, 27,0.12) !important;
  outline: none;
  background: var(--bg-surface) !important;
}
.input::placeholder, .textarea::placeholder { color: var(--text-muted); }
.input:disabled, .select:disabled, .textarea:disabled { opacity: 0.5; cursor: not-allowed; }

.select option { background: var(--bg-surface); color: var(--text-primary); }

.checkbox {
  border-color: var(--border-default) !important;
  background: var(--bg-input) !important;
  accent-color: var(--accent-primary);
}
.checkbox:checked {
  background: var(--accent-primary) !important;
  border-color: var(--accent-primary) !important;
}
.checkbox:focus {
  box-shadow: 0 0 0 2px rgba(24, 24, 27,0.2) !important;
}

.file-input {
  background: var(--bg-input) !important;
  border: 1px dashed var(--border-default) !important;
  color: var(--text-secondary) !important;
  border-radius: var(--radius-sm) !important;
}
.file-input:hover { border-color: var(--accent-primary) !important; }

.label-text {
  color: var(--text-secondary);
  font-size: 0.8125rem;
  font-weight: 500;
  font-family: var(--font-body);
}

/* ================================================================
   BUTTONS — warm, refined, subtle lift on hover
   ================================================================ */

.btn {
  font-family: var(--font-body);
  font-weight: 500;
  border-radius: var(--radius-sm);
  transition: all var(--duration-fast) var(--ease-out-expo);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.375rem;
  line-height: 1;
  letter-spacing: 0.01em;
}

/* Sizes */
.btn-xs  { height: 26px; padding: 0 0.5rem;  font-size: 0.6875rem; border-radius: 4px; }
.btn-sm  { height: 33px; padding: 0 0.75rem; font-size: 0.8125rem; }
.btn-md  { height: 40px; padding: 0 1.125rem; font-size: 0.875rem; }
.btn-lg  { height: 48px; padding: 0 1.5rem;  font-size: 1rem; }

/* Primary: zinc black solid */
.btn-primary, .btn.btn-primary {
  background: var(--accent-primary) !important;
  color: #fff !important;
  border: none !important;
  font-weight: 600;
  box-shadow: var(--shadow-button);
}
.btn-primary:hover, .btn.btn-primary:hover {
  background: var(--accent-primary-dark) !important;
  box-shadow: 0 2px 4px rgba(0,0,0,0.08), 0 4px 12px rgba(24, 24, 27,0.2);
  transform: translateY(-1px);
}
.btn-primary:active, .btn.btn-primary:active {
  transform: scale(0.98);
  transition: all 50ms;
}

/* Accent: deep green — for create/add actions */
.btn-accent, .btn.btn-accent {
  background: var(--accent-green) !important;
  color: #fff !important;
  border: none !important;
  font-weight: 600;
  box-shadow: var(--shadow-button);
}
.btn-accent:hover, .btn.btn-accent:hover {
  background: var(--accent-green-light) !important;
  transform: translateY(-1px);
  box-shadow: 0 2px 4px rgba(0,0,0,0.08), 0 4px 12px rgba(5,150,105,0.18);
}
.btn-accent:active, .btn.btn-accent:active { transform: scale(0.98); }

/* Ghost: transparent, subtle hover */
.btn-ghost, .btn.btn-ghost {
  background: transparent !important;
  color: var(--text-secondary) !important;
  border: 1px solid transparent !important;
}
.btn-ghost:hover, .btn.btn-ghost:hover {
  background: var(--bg-hover) !important;
  color: var(--accent-primary-dark) !important;
  border-color: var(--border-default) !important;
}

/* Outline: bordered */
.btn-outline, .btn.btn-outline {
  background: transparent !important;
  color: var(--accent-primary-dark) !important;
  border: 1px solid var(--accent-primary) !important;
}
.btn-outline:hover, .btn.btn-outline:hover {
  background: rgba(24, 24, 27,0.06) !important;
  border-color: var(--accent-primary-dark) !important;
}

/* Success: sage green */
.btn-success, .btn.btn-success {
  background: var(--accent-green-light) !important;
  color: #fff !important;
  border: none !important;
  font-weight: 600;
  box-shadow: var(--shadow-button);
}
.btn-success:hover, .btn.btn-success:hover {
  background: var(--accent-green) !important;
  transform: translateY(-1px);
}

/* Danger: red */
.btn-error, .btn.btn-error, .btn-danger {
  background: var(--accent-rose) !important;
  color: #fff !important;
  border: none !important;
  font-weight: 600;
  box-shadow: var(--shadow-button);
}
.btn-error:hover, .btn.btn-error:hover, .btn-danger:hover {
  background: #b91c1c !important;
  transform: translateY(-1px);
}

/* Warning: amber */
.btn-warning, .btn.btn-warning {
  background: var(--accent-amber) !important;
  color: #fff !important;
  border: none !important;
  font-weight: 600;
}
.btn-warning:hover, .btn.btn-warning:hover { transform: translateY(-1px); }

/* Secondary: light gray */
.btn-secondary, .btn.btn-secondary {
  background: rgba(0,0,0,0.05) !important;
  color: var(--text-primary) !important;
  border: 1px solid var(--border-default) !important;
}
.btn-secondary:hover, .btn.btn-secondary:hover {
  background: rgba(0,0,0,0.08) !important;
  border-color: var(--border-hover) !important;
}

/* Disabled */
.btn:disabled, .btn[disabled], .btn.btn-disabled {
  opacity: 0.4 !important;
  cursor: not-allowed !important;
  pointer-events: none !important;
  box-shadow: none !important;
  transform: none !important;
}

/* Button group (join) */
.join .btn { border-radius: 0; }
.join .btn:first-child { border-radius: var(--radius-sm) 0 0 var(--radius-sm); }
.join .btn:last-child  { border-radius: 0 var(--radius-sm) var(--radius-sm) 0; }

/* Icon button */
.btn-icon {
  width: 32px; height: 32px; padding: 0;
  border-radius: var(--radius-sm);
  display: inline-flex; align-items: center; justify-content: center;
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--duration-fast);
}
.btn-icon:hover {
  background: var(--bg-hover);
  color: var(--accent-primary);
  border-color: var(--border-default);
}

/* ================================================================
   BADGES — soft tinted backgrounds
   ================================================================ */

.badge {
  font-family: var(--font-body);
  font-weight: 500;
  border-radius: 9999px;
  background: rgba(0,0,0,0.04);
  color: var(--text-secondary);
  border: 1px solid var(--border-subtle);
}

.badge-primary  { background: rgba(24, 24, 27, 0.08) !important; color: var(--text-primary) !important; border: 1px solid rgba(24, 24, 27, 0.12) !important; }
.badge-secondary{ background: rgba(24, 24, 27, 0.04) !important; color: var(--text-secondary) !important; border: 1px solid var(--border-default) !important; }
.badge-success  { background: rgba(5, 150, 105, 0.08) !important; color: var(--accent-green) !important; border: 1px solid rgba(5, 150, 105, 0.15) !important; }
.badge-warning  { background: rgba(217, 119, 6, 0.08) !important; color: #92400e !important; border: 1px solid rgba(217, 119, 6, 0.15) !important; }
.badge-error    { background: rgba(220, 38, 38, 0.06) !important; color: var(--accent-rose) !important; border: 1px solid rgba(220, 38, 38, 0.15) !important; }
.badge-info     { background: rgba(37, 99, 235, 0.06) !important; color: var(--accent-blue) !important; border: 1px solid rgba(37, 99, 235, 0.15) !important; }
.badge-accent   { background: rgba(5, 150, 105, 0.08) !important; color: var(--accent-green) !important; border: 1px solid rgba(5, 150, 105, 0.15) !important; }
.badge-ghost    { background: rgba(24, 24, 27, 0.02) !important; color: var(--text-muted) !important; border: 1px solid var(--border-subtle) !important; }
.badge-neutral  { background: rgba(24, 24, 27, 0.04) !important; color: var(--text-secondary) !important; border: 1px solid var(--border-subtle) !important; }
.badge-outline  { background: transparent !important; color: var(--text-secondary) !important; border: 1px solid var(--border-default) !important; }

/* ================================================================
   TABS
   ================================================================ */

.tabs-boxed {
  background: var(--bg-root) !important;
  border-radius: var(--radius-sm);
  padding: 3px;
}
.tabs-boxed .tab {
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  transition: all var(--duration-fast);
}
.tabs-boxed .tab.tab-active {
  background: var(--bg-surface) !important;
  color: var(--accent-primary-dark) !important;
  box-shadow: var(--shadow-card);
  font-weight: 600;
}

.tabs-bordered .tab {
  color: var(--text-secondary);
  border-bottom: 2px solid transparent;
  transition: all var(--duration-fast);
}
.tabs-bordered .tab.tab-active {
  color: var(--accent-primary-dark) !important;
  border-bottom-color: var(--accent-primary) !important;
  font-weight: 600;
}

/* ================================================================
   MODALS
   ================================================================ */

.modal-box {
  background: var(--bg-surface) !important;
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-dropdown);
  border-radius: var(--radius-lg);
}
.modal-backdrop { background: rgba(0,0,0,0.35) !important; }

/* ================================================================
   PROGRESS BARS
   ================================================================ */

.progress {
  background: var(--bg-root) !important;
  border-radius: 9999px;
  height: 6px;
}
.progress::-webkit-progress-value { border-radius: 9999px; }
.progress-primary::-webkit-progress-value   { background: var(--accent-primary); }
.progress-success::-webkit-progress-value   { background: var(--accent-green); }
.progress-warning::-webkit-progress-value   { background: var(--accent-amber); }
.progress-accent::-webkit-progress-value    { background: var(--accent-green); }
.progress-secondary::-webkit-progress-value { background: #a1a1aa; }

/* ================================================================
   PAGINATION
   ================================================================ */

.join .btn.btn-sm {
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  color: var(--text-secondary);
}
.join .btn.btn-sm:hover {
  border-color: var(--accent-primary);
  color: var(--accent-primary-dark);
}
.join .btn.btn-sm.btn-active,
.join .btn.btn-sm.btn-disabled {
  background: rgba(24, 24, 27,0.08);
  color: var(--accent-primary-dark);
  border-color: rgba(24, 24, 27,0.2);
}

/* ================================================================
   ALERTS / FLASH
   ================================================================ */

.alert {
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
}
.alert-success { background: rgba(5, 150, 105, 0.04) !important; border-color: rgba(5, 150, 105, 0.12); color: var(--accent-green); }
.alert-error   { background: rgba(220, 38, 38, 0.04) !important; border-color: rgba(220, 38, 38, 0.12); color: var(--accent-rose); }
.alert-info    { background: rgba(37, 99, 235, 0.04) !important; border-color: rgba(37, 99, 235, 0.12); color: var(--accent-blue); }
.alert-warning { background: rgba(217, 119, 6, 0.04) !important; border-color: rgba(217, 119, 6, 0.12); color: #92400e; }

/* ================================================================
   DROPDOWN
   ================================================================ */

.dropdown-content {
  background: var(--bg-surface) !important;
  border: 1px solid var(--border-subtle) !important;
  box-shadow: var(--shadow-dropdown) !important;
  border-radius: var(--radius-md) !important;
}
.dropdown-content .menu-title { color: var(--text-secondary); }
.dropdown-content .divider { border-color: var(--border-subtle); }

/* ================================================================
   EMPTY STATE
   ================================================================ */

.empty-state {
  text-align: center;
  padding: 3rem 1.5rem;
  color: var(--text-muted);
  font-style: normal;
}
.empty-state .empty-icon { font-size: 2.5rem; margin-bottom: 0.75rem; opacity: 0.5; }
.empty-state .empty-text { font-size: 0.875rem; }

/* ================================================================
   DAISYUI OVERRIDES
   ================================================================ */

.bg-base-100 { background: var(--bg-surface) !important; }
.bg-base-200 { background: var(--bg-root) !important; }
.bg-base-300 { background: rgba(0,0,0,0.03) !important; }

.text-base-content     { color: var(--text-primary) !important; }
.text-base-content\/40 { color: var(--text-muted) !important; }
.text-base-content\/50 { color: var(--text-muted) !important; }
.text-base-content\/60 { color: var(--text-secondary) !important; }
.text-base-content\/70 { color: var(--text-secondary) !important; }

.border-base-300 { border-color: var(--border-default) !important; }
.border-base-200 { border-color: var(--border-subtle) !important; }

/* Swap (theme toggle) */
.swap-rotate .swap-on,
.swap-rotate .swap-off { color: var(--text-secondary); }
.swap-rotate:hover .swap-on,
.swap-rotate:hover .swap-off { color: var(--accent-primary); }

.divider { border-color: var(--border-subtle) !important; }

/* ================================================================
   ANIMATIONS
   ================================================================ */

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

.animate-fade-in {
  animation: fadeIn 0.45s var(--ease-out-expo) both;
}

.stagger-list > *:nth-child(1) { animation-delay: 0.05s; }
.stagger-list > *:nth-child(2) { animation-delay: 0.10s; }
.stagger-list > *:nth-child(3) { animation-delay: 0.15s; }
.stagger-list > *:nth-child(4) { animation-delay: 0.20s; }
.stagger-list > *:nth-child(5) { animation-delay: 0.25s; }
.stagger-list > *:nth-child(n+6) { animation-delay: 0.30s; }

/* ================================================================
   RESPONSIVE
   ================================================================ */

@media (max-width: 1023px) {
  .drawer-side { z-index: 50; }
  .drawer-overlay { background: rgba(0,0,0,0.3) !important; }
  .page-header { flex-direction: column; }
}