/* Apple-inspired presentation layer for the administration workspace with Holographic Dark Glass style. */
:root {
  color-scheme: dark;
  --bg: #070913;
  --panel: rgba(18, 24, 43, 0.55);
  --panel-strong: rgba(26, 33, 56, 0.82);
  --control: rgba(255, 255, 255, 0.08);
  --line: rgba(255, 255, 255, 0.12);
  --text: #f3f5f9;
  --muted: #8e9bb0;
  --primary: #a855f7;
  --accent: #a855f7;
  --success: #4ade80;
  --error: #f43f5e;
  --cyber-cyan: #38bdf8;
  --cyber-magenta: #ec4899;
  --cyber-violet: #a855f7;
  --shadow: 0 30px 70px -15px rgba(0, 0, 0, 0.6), 0 0 35px rgba(168, 85, 247, 0.15);
  --sidebar-width: 272px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #070913;
    --panel: rgba(18, 24, 43, 0.55);
    --panel-strong: rgba(26, 33, 56, 0.82);
    --control: rgba(255, 255, 255, 0.08);
    --line: rgba(255, 255, 255, 0.12);
    --text: #f3f5f9;
    --muted: #8e9bb0;
    --primary: #a855f7;
    --accent: #a855f7;
    --success: #4ade80;
    --error: #f43f5e;
    --cyber-cyan: #38bdf8;
    --cyber-magenta: #ec4899;
    --cyber-violet: #a855f7;
    --shadow: 0 30px 70px -15px rgba(0, 0, 0, 0.6), 0 0 35px rgba(168, 85, 247, 0.15);
  }
}

html {
  font: 100%/1.5 -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-optical-sizing: auto;
  -webkit-text-size-adjust: 100%;
}

body {
  background:
    radial-gradient(circle at 10% -5%, rgba(168, 85, 247, 0.22), transparent 36rem),
    radial-gradient(circle at 90% 15%, rgba(236, 72, 153, 0.18), transparent 32rem),
    radial-gradient(circle at 50% 105%, rgba(56, 189, 248, 0.18), transparent 38rem),
    var(--bg);
  color: var(--text);
  font-family: inherit;
  -webkit-font-smoothing: antialiased;
}

.bg-grid {
  opacity: 0.2;
  background-image:
    linear-gradient(color-mix(in srgb, var(--cyber-cyan) 14%, transparent) 1px, transparent 1px),
    linear-gradient(90deg, color-mix(in srgb, var(--cyber-magenta) 11%, transparent) 1px, transparent 1px);
  background-size: 72px 72px;
}

.bg-orb {
  filter: blur(120px);
  opacity: 0.17;
}

.orb-a { background: var(--cyber-cyan); }
.orb-b { background: var(--cyber-magenta); }

.login-wrapper {
  background:
    radial-gradient(circle at 50% 12%, rgba(0, 113, 227, 0.14), transparent 30rem),
    var(--bg);
}

.login-card {
  border: 1px solid var(--line);
  border: 1px solid transparent;
  border-radius: 36px;
  background:
    linear-gradient(var(--panel), var(--panel)) padding-box,
    linear-gradient(135deg, color-mix(in srgb, var(--cyber-cyan) 52%, transparent), color-mix(in srgb, var(--cyber-magenta) 44%, transparent)) border-box;
  box-shadow: var(--shadow);
  backdrop-filter: blur(26px) saturate(170%);
  -webkit-backdrop-filter: blur(26px) saturate(170%);
  animation: admin-material-in 360ms cubic-bezier(0.16, 1, 0.3, 1);
}

.sidebar {
  border-color: var(--line);
  background: color-mix(in srgb, var(--panel-strong) 72%, transparent);
  backdrop-filter: blur(26px) saturate(170%);
  -webkit-backdrop-filter: blur(26px) saturate(170%);
}

.sidebar-header {
  padding: 24px 20px 18px;
}

.brand-mark {
  width: 40px;
  height: 40px;
  border-radius: 15px;
  background: linear-gradient(135deg, var(--cyber-cyan), var(--cyber-violet) 52%, var(--cyber-magenta));
  color: #fff;
  box-shadow: 0 7px 18px rgba(0, 113, 227, 0.22), inset 0 1px rgba(255, 255, 255, 0.32);
}

.brand-copy strong,
.content-header h2,
.card-header h3,
.brand-centered h2 {
  letter-spacing: -0.02em;
}

.brand,
.nav-item,
.icon-btn,
button {
  -webkit-tap-highlight-color: transparent;
}

.sidebar-nav {
  gap: 3px;
  padding: 0 12px 12px;
}

.nav-item {
  min-height: 44px;
  padding: 10px 12px;
  border-radius: 12px;
  color: var(--muted);
  font-weight: 560;
  transition: transform 100ms ease-out, color 180ms ease-out, background-color 180ms ease-out;
}

.nav-item:hover {
  background: rgba(118, 118, 128, 0.1);
  color: var(--text);
}

.nav-item.active {
  background: rgba(0, 113, 227, 0.12);
  color: var(--primary);
}

.nav-item:active,
button:active:not(:disabled) {
  transform: scale(0.97);
  transition-duration: 80ms;
}

.sidebar-footer {
  border-color: var(--line);
  background: color-mix(in srgb, var(--panel-strong) 62%, transparent);
}

.main-content {
  padding: 36px clamp(24px, 3vw, 52px) 64px;
  scroll-behavior: smooth;
}

.content-header {
  margin-bottom: 28px;
}

.content-header h2 {
  font-size: clamp(28px, 3vw, 40px);
  line-height: 1.08;
}

.module-tabs {
  gap: 3px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(118, 118, 128, 0.1);
}

.module-tab {
  min-height: 34px;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
}

.module-tab:hover {
  color: var(--text);
}

.module-tab.active {
  border-color: transparent;
  background: var(--panel-strong);
  color: var(--primary);
  box-shadow: 0 1px 5px rgba(0, 0, 0, 0.12);
}

.card,
.notify-rules-block,
.quota-sub-card-table {
  border: 1px solid transparent;
  border-radius: 30px;
  background:
    linear-gradient(var(--panel), var(--panel)) padding-box,
    linear-gradient(135deg, color-mix(in srgb, var(--cyber-cyan) 40%, var(--line)), color-mix(in srgb, var(--cyber-violet) 14%, var(--line)) 48%, color-mix(in srgb, var(--cyber-magenta) 34%, var(--line))) border-box;
  box-shadow: var(--shadow);
  backdrop-filter: blur(24px) saturate(160%);
  -webkit-backdrop-filter: blur(24px) saturate(160%);
}

.stat,
.notify-rule-row {
  border: 1px solid color-mix(in srgb, var(--cyber-violet) 18%, var(--line));
  border-radius: 21px;
  background: linear-gradient(145deg, color-mix(in srgb, var(--cyber-cyan) 5%, var(--panel-strong)), color-mix(in srgb, var(--cyber-magenta) 4%, var(--panel-strong)));
}

.stat strong {
  letter-spacing: -0.035em;
}

input,
select,
textarea {
  min-height: 42px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--control);
  color: var(--text);
  box-shadow: inset 0 1px rgba(255, 255, 255, 0.14);
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(0, 113, 227, 0.14);
}

input[type="checkbox"],
input[type="radio"] {
  min-height: auto;
  accent-color: var(--primary);
}

.primary-btn,
.ghost-btn,
.danger-btn,
.icon-btn,
.module-tab {
  transition: transform 100ms ease-out, color 180ms ease-out, background-color 180ms ease-out, border-color 180ms ease-out, box-shadow 180ms ease-out;
}

.primary-btn {
  border: 1px solid transparent;
  border-radius: 16px;
  background: linear-gradient(120deg, #0077ed, var(--cyber-violet) 58%, var(--cyber-magenta));
  color: #fff;
  box-shadow: 0 8px 22px rgba(65, 74, 225, 0.22), 0 0 20px color-mix(in srgb, var(--cyber-magenta) 10%, transparent);
}

.primary-btn:hover:not(:disabled) {
  background: linear-gradient(120deg, var(--cyber-cyan), var(--cyber-violet) 54%, var(--cyber-magenta));
  box-shadow: 0 10px 26px rgba(65, 74, 225, 0.25), 0 0 24px color-mix(in srgb, var(--cyber-cyan) 14%, transparent);
  opacity: 1;
  transform: none;
}

.ghost-btn,
.icon-btn {
  border-color: var(--line);
  border-radius: 16px;
  background: linear-gradient(135deg, color-mix(in srgb, var(--cyber-cyan) 4%, var(--control)), color-mix(in srgb, var(--cyber-magenta) 3%, var(--control)));
  color: var(--text);
}

.ghost-btn:hover:not(:disabled),
.icon-btn:hover:not(:disabled) {
  border-color: rgba(0, 113, 227, 0.28);
  background: var(--panel-strong);
  color: var(--primary);
}

.danger-btn {
  border-color: color-mix(in srgb, var(--error) 30%, transparent);
  background: color-mix(in srgb, var(--error) 10%, transparent);
  color: var(--error);
}

:where(button, a, input, select, textarea):focus-visible {
  outline: 3px solid color-mix(in srgb, var(--primary) 42%, transparent);
  outline-offset: 2px;
}

.table-wrapper,
.quota-sub-card-table {
  scrollbar-color: color-mix(in srgb, var(--muted) 42%, transparent) transparent;
  scrollbar-width: thin;
}

th {
  color: var(--muted);
  letter-spacing: 0.04em;
  border-color: var(--line);
}

td {
  border-color: var(--line);
}

tr:hover td {
  background: rgba(118, 118, 128, 0.08);
}

.log-viewer,
.event-summary,
code {
  border-color: var(--line);
  background: rgba(118, 118, 128, 0.1);
  color: var(--text);
}

@keyframes admin-material-in {
  from {
    opacity: 0;
    transform: translateY(14px) scale(0.98);
    filter: blur(6px);
  }
  to {
    opacity: 1;
    transform: none;
    filter: none;
  }
}

@media (hover: hover) and (pointer: fine) {
  .card:hover,
  .stat:hover {
    border-color: color-mix(in srgb, var(--cyber-cyan) 42%, var(--line));
    box-shadow: var(--shadow), 0 0 24px color-mix(in srgb, var(--cyber-magenta) 8%, transparent);
  }
}

@media (max-width: 720px) {
  .main-content {
    padding: 24px 16px 48px;
  }

  .card {
    padding: 18px;
    border-radius: 25px;
  }

  .module-tabs {
    border-radius: 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }

  .nav-item:active,
  button:active:not(:disabled) {
    transform: none;
  }
}

@media (prefers-reduced-transparency: reduce) {
  .login-card,
  .sidebar,
  .card,
  .notify-rules-block,
  .quota-sub-card-table {
    background: var(--panel-strong);
    border-color: var(--line);
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }
}

@media (prefers-contrast: more) {
  :root {
    --line: currentColor;
  }

  .login-card,
  .sidebar,
  .card {
    background: var(--panel-strong);
    border-color: currentColor;
    border-width: 2px;
  }
}