:root {
  --bg: #0B132B;
  --panel: #1C2541;
  --ink: #F1F5F9;
  --muted: #94A3B8;
  --line: rgba(148, 163, 184, .22);
  --accent: #10B981;
  --accent-2: #FACC15;
  --dark: #020617;
  --danger: #F87171;
  --topbar: rgba(28, 37, 65, .94);
  --strip-bg: #020617;
  --strip-ink: #F1F5F9;
  --field: #0F172A;
  --pre-bg: #020617;
  --pre-ink: #F1F5F9;
  --nested-panel: rgba(11, 19, 43, .42);
  --button-text: #04111d;
  --shadow: 0 18px 42px rgba(2, 6, 23, .28);
}
:root[data-theme="light"] {
  --bg: #F1F5F9;
  --panel: #FFFFFF;
  --ink: #0B132B;
  --muted: #475569;
  --line: rgba(28, 37, 65, .16);
  --topbar: #FFFFFF;
  --strip-bg: #E2E8F0;
  --strip-ink: #0B132B;
  --field: #FFFFFF;
  --pre-bg: #FFFFFF;
  --pre-ink: #0B132B;
  --nested-panel: #FFFFFF;
  --button-text: #04111d;
  --shadow: 0 16px 34px rgba(15, 23, 42, .12);
}
* { box-sizing: border-box; }
body { margin: 0; font-family: Helvetica, Arial, sans-serif; color: var(--ink); background: var(--bg); font-size: 16px; line-height: 1.5; }
a { color: inherit; text-decoration: none; }
.topbar { position: sticky; top: 0; z-index: 10; display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 14px 28px; color: var(--ink); background: var(--topbar); border-bottom: 1px solid var(--line); backdrop-filter: blur(16px); }
.brand { font-weight: 800; letter-spacing: 0; font-size: 22px; }
.brand .brand-prefix { color: #10B981 !important; }
.brand .brand-main { color: #FACC15 !important; }
nav { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
nav form { margin: 0; }
button, input, select { font: inherit; }
nav button { border: 0; background: transparent; cursor: pointer; color: var(--muted); }
main { width: min(1180px, calc(100% - 32px)); margin: 0 auto; padding: 42px 0 64px; }
.member-strip { padding: 10px 28px; color: var(--strip-ink); background: var(--strip-bg); border-bottom: 1px solid var(--line); font-size: 15px; }
.hero { display: grid; grid-template-columns: 1.15fr .85fr; gap: 28px; align-items: stretch; min-height: 500px; padding: 44px 0 34px; }
.hero h1, .page-head h1 { margin: 0; max-width: 880px; font-size: clamp(42px, 5.4vw, 72px); line-height: 1.02; letter-spacing: 0; }
.page-head h1 { font-size: clamp(38px, 4.2vw, 60px); }
.lead { max-width: 680px; font-size: 19px; line-height: 1.55; color: var(--muted); }
.eyebrow { margin: 0 0 14px; color: var(--accent-2); font-weight: 800; text-transform: uppercase; letter-spacing: .08em; }
.actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 24px; }
.button, .ghost { display: inline-flex; align-items: center; justify-content: center; min-height: 42px; padding: 10px 16px; border: 1px solid var(--accent); border-radius: 8px; font-weight: 750; cursor: pointer; }
.button { color: var(--button-text); background: var(--accent); }
.button.disabled { pointer-events: none; color: var(--muted); background: rgba(148, 163, 184, .12); border-color: var(--line); }
.ghost { color: var(--ink); background: transparent; border-color: var(--line); }
.hero-panel, .panel, .card, .price-card, .resource-card, .auth-card { border: 1px solid var(--line); border-radius: 8px; background: var(--panel); box-shadow: var(--shadow); }
.hero-panel { display: flex; flex-direction: column; justify-content: flex-end; min-height: 390px; padding: 26px; }
.hero-panel h2 { margin: 18px 0 8px; font-size: clamp(28px, 3vw, 36px); line-height: 1.1; }
.status-dot { width: 14px; height: 14px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 8px rgba(16, 185, 129, .16); }
.metric-grid, .dashboard-grid, .cards, .pricing-grid, .resource-grid, .detail-grid { display: grid; gap: 20px; }
.metric-grid { grid-template-columns: repeat(3, 1fr); margin-top: 24px; }
.metric-grid div { padding: 14px; border: 1px solid var(--line); border-radius: 8px; }
.metric-grid strong, .big { display: block; font-size: clamp(34px, 3.6vw, 52px); line-height: 1.1; font-weight: 700; }
.metric-grid span, .small, .category { color: var(--muted); font-size: 14px; }
.section, .page-head { margin: 24px 0 28px; }
.page-head p { max-width: 760px; margin: 18px 0 0; font-size: 18px; color: var(--ink); }
.section h2, .panel h2 { margin-top: 0; font-size: clamp(24px, 2.4vw, 34px); line-height: 1.15; }
.cards, .pricing-grid, .resource-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.dashboard-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); margin: 28px 0 22px; }
.detail-grid { grid-template-columns: minmax(0, 1.5fr) minmax(280px, .5fr); }
.card, .price-card, .resource-card, .panel, .auth-card { padding: 22px; }
.dashboard-grid .panel { min-height: 170px; display: flex; flex-direction: column; justify-content: space-between; padding: 24px; }
.badge { display: inline-flex; width: fit-content; margin-right: 8px; padding: 5px 9px; border-radius: 999px; color: #0B132B; background: var(--accent-2); font-size: 12px; font-weight: 800; text-transform: uppercase; }
.price { display: block; margin: 18px 0; font-size: 28px; }
.filters { display: grid; grid-template-columns: 1fr 220px auto; gap: 10px; margin: 22px 0; }
label { display: grid; gap: 6px; color: var(--muted); font-weight: 700; }
input, select { width: 100%; min-height: 44px; padding: 10px 12px; border: 1px solid var(--line); border-radius: 8px; background: var(--field); color: var(--ink); }
.auth-card { width: min(460px, 100%); margin: 48px auto; }
.auth-card form { display: grid; gap: 14px; }
.error { padding: 10px 12px; border-radius: 8px; color: #FEE2E2; background: rgba(248, 113, 113, .16); }
.notice { margin: 12px 0; padding: 12px 14px; border: 1px solid rgba(16, 185, 129, .42); border-radius: 8px; color: var(--ink); background: rgba(16, 185, 129, .12); }
code { padding: 2px 5px; border-radius: 5px; background: rgba(148, 163, 184, .16); color: var(--accent-2); }
.resource-list { display: grid; gap: 10px; padding: 0; list-style: none; }
.resource-list li { display: flex; justify-content: space-between; gap: 14px; padding: 12px; border: 1px solid var(--line); border-radius: 8px; }
.user-admin-list { display: grid; gap: 16px; }
.user-admin-card { display: grid; gap: 14px; padding: 16px; border: 1px solid var(--line); border-radius: 8px; background: var(--nested-panel); }
.admin-user-form, .admin-create-form { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; align-items: end; }
.reset-form { display: grid; grid-template-columns: minmax(220px, 1fr) auto; gap: 12px; align-items: end; }
pre { overflow: auto; white-space: pre-wrap; line-height: 1.55; padding: 18px; border: 1px solid var(--line); border-radius: 8px; background: var(--pre-bg); color: var(--pre-ink); }
.detail-head { margin: 20px 0; }
.detail-head h1 { margin: 14px 0 10px; font-size: clamp(34px, 5vw, 58px); line-height: 1; }
.paywall { margin: 18px 0; padding: 18px; border: 1px solid rgba(250, 204, 21, .5); border-radius: 8px; background: rgba(250, 204, 21, .1); }
.watermark { margin-top: 18px; padding: 12px; border: 1px dashed var(--line); border-radius: 8px; color: var(--muted); }
.empty { padding: 28px; border: 1px dashed var(--line); border-radius: 8px; }
.theme-toggle { display: inline-flex; align-items: center; gap: 8px; min-height: 36px; padding: 4px 8px; border: 1px solid var(--line); border-radius: 999px; color: var(--ink); background: rgba(148, 163, 184, .12); }
.theme-icon { width: 18px; text-align: center; font-size: 15px; line-height: 1; color: var(--muted); }
.theme-icon-sun { color: var(--accent-2); }
.theme-icon-moon { color: #94A3B8; }
.theme-switch { position: relative; width: 44px; height: 24px; border-radius: 999px; background: #020617; border: 1px solid rgba(148, 163, 184, .35); transition: background .2s ease; }
.theme-knob { position: absolute; top: 3px; left: 3px; width: 16px; height: 16px; border-radius: 50%; background: var(--accent-2); box-shadow: 0 2px 8px rgba(2, 6, 23, .35); transition: transform .2s ease, background .2s ease; }
:root[data-theme="light"] .theme-switch { background: #E2E8F0; }
:root[data-theme="light"] .theme-knob { transform: translateX(20px); background: var(--accent); }
@media (max-width: 860px) {
  .hero, .cards, .pricing-grid, .resource-grid, .dashboard-grid, .detail-grid, .filters, .admin-user-form, .admin-create-form, .reset-form { grid-template-columns: 1fr; }
  .topbar { align-items: flex-start; flex-direction: column; }
}