/* ============================================================
   每日大赛 - Daily Competition Platform
   Tech Dashboard Slate Blue Theme
   ============================================================ */

/* ---------- Reset & Base ---------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --slate-dark: #1e293b;
  --slate-darker: #0f172a;
  --slate-deepest: #020617;
  --slate-mid: #334155;
  --slate-light: #475569;
  --sky-blue: #0ea5e9;
  --sky-blue-bright: #38bdf8;
  --light-bg: #f1f5f9;
  --cyan: #06b6d4;
  --indigo-light: #818cf8;
  --amber: #fbbf24;
  --emerald: #10b981;
  --rose: #f43f5e;
  --violet: #a855f7;
  --white: #ffffff;
  --border-soft: rgba(148, 163, 184, 0.15);
  --border-bright: rgba(14, 165, 233, 0.35);
  --shadow-card: 0 10px 30px -10px rgba(2, 6, 23, 0.4);
  --shadow-glow: 0 0 24px rgba(14, 165, 233, 0.25);
  --mono: "SF Mono", "JetBrains Mono", "Fira Code", "Consolas", monospace;
  --sans: "Inter", "SF Pro Display", "PingFang SC", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--sans);
  background: var(--slate-darker);
  color: #e2e8f0;
  min-height: 100vh;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  background-image:
    radial-gradient(circle at 12% 18%, rgba(14, 165, 233, 0.10), transparent 38%),
    radial-gradient(circle at 88% 12%, rgba(129, 140, 248, 0.08), transparent 40%),
    radial-gradient(circle at 50% 95%, rgba(6, 182, 212, 0.06), transparent 45%),
    linear-gradient(180deg, #0b1220 0%, #0f172a 100%);
  background-attachment: fixed;
}

/* grid background overlay */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(148, 163, 184, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148, 163, 184, 0.04) 1px, transparent 1px);
  background-size: 44px 44px;
  z-index: 0;
}

a { color: var(--sky-blue-bright); text-decoration: none; transition: color .2s; }
a:hover { color: var(--cyan); }

img { max-width: 100%; display: block; }

::selection { background: rgba(14, 165, 233, 0.35); color: #fff; }

/* ---------- Layout ---------- */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

.page-wrap { padding: 32px 0 64px; position: relative; z-index: 1; }

/* ---------- Top Nav ---------- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-soft);
}

.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  padding: 0 24px;
  max-width: 1280px;
  margin: 0 auto;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  font-size: 18px;
  letter-spacing: 0.5px;
}

.brand-mark {
  width: 36px;
  height: 36px;
  border-radius: 9px;
  background: linear-gradient(135deg, var(--sky-blue), var(--cyan) 60%, var(--indigo-light));
  display: grid;
  place-items: center;
  color: #06121f;
  font-weight: 900;
  font-size: 16px;
  box-shadow: 0 0 18px rgba(14, 165, 233, 0.55);
  position: relative;
}

.brand-mark::after {
  content: "";
  position: absolute;
  inset: -2px;
  border-radius: 11px;
  border: 1px solid rgba(56, 189, 248, 0.5);
  pointer-events: none;
}

.brand-name { color: #f1f5f9; }
.brand-name span { color: var(--sky-blue-bright); }

.nav {
  display: flex;
  gap: 4px;
  align-items: center;
  flex-wrap: wrap;
}

.nav a {
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 14px;
  color: #cbd5e1;
  font-weight: 500;
  position: relative;
  transition: all .2s;
}

.nav a:hover {
  background: rgba(14, 165, 233, 0.08);
  color: #f1f5f9;
}

.nav a.active {
  background: linear-gradient(135deg, rgba(14, 165, 233, 0.18), rgba(129, 140, 248, 0.12));
  color: var(--sky-blue-bright);
  box-shadow: inset 0 0 0 1px var(--border-bright);
}

.nav-cta {
  padding: 8px 16px;
  background: linear-gradient(135deg, var(--sky-blue), var(--cyan));
  color: #06121f !important;
  border-radius: 8px;
  font-weight: 700;
  font-size: 13px;
  box-shadow: 0 6px 16px -6px rgba(14, 165, 233, 0.7);
}
.nav-cta:hover { filter: brightness(1.1); color: #06121f !important; }

/* ---------- Page Header ---------- */
.page-header {
  padding: 40px 0 24px;
  border-bottom: 1px solid var(--border-soft);
  margin-bottom: 32px;
}

.page-eyebrow {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--sky-blue-bright);
  margin-bottom: 10px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.page-eyebrow::before {
  content: "";
  width: 6px;
  height: 6px;
  background: var(--cyan);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--cyan);
  animation: pulse 1.8s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.7); }
}

.page-title {
  font-size: 36px;
  font-weight: 800;
  letter-spacing: -0.5px;
  color: #f8fafc;
  margin-bottom: 10px;
}

.page-sub {
  color: #94a3b8;
  font-size: 15px;
  max-width: 720px;
}

/* ---------- Glass Cards ---------- */
.card {
  background: linear-gradient(180deg, rgba(30, 41, 59, 0.65), rgba(15, 23, 42, 0.7));
  border: 1px solid var(--border-soft);
  border-radius: 14px;
  padding: 22px;
  box-shadow: var(--shadow-card);
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(56, 189, 248, 0.6), transparent);
}

.card-title {
  font-size: 14px;
  font-weight: 700;
  color: #cbd5e1;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.card-title .tag-mini {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  color: var(--sky-blue-bright);
  background: rgba(14, 165, 233, 0.12);
  padding: 3px 8px;
  border-radius: 6px;
  letter-spacing: 0.5px;
  text-transform: none;
}

/* ---------- Stat Cards ---------- */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin-bottom: 28px;
}

.stat-card {
  background: linear-gradient(135deg, rgba(30, 41, 59, 0.7), rgba(15, 23, 42, 0.85));
  border: 1px solid var(--border-soft);
  border-radius: 14px;
  padding: 22px;
  position: relative;
  overflow: hidden;
  transition: transform .25s, box-shadow .25s;
}
.stat-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-glow), var(--shadow-card);
}

.stat-card .stat-icon {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  font-size: 20px;
  margin-bottom: 14px;
  font-weight: 700;
}
.icon-blue { background: rgba(14, 165, 233, 0.18); color: var(--sky-blue-bright); }
.icon-cyan { background: rgba(6, 182, 212, 0.18); color: var(--cyan); }
.icon-amber { background: rgba(251, 191, 36, 0.18); color: var(--amber); }
.icon-indigo { background: rgba(129, 140, 248, 0.18); color: var(--indigo-light); }
.icon-emerald { background: rgba(16, 185, 129, 0.18); color: var(--emerald); }
.icon-rose { background: rgba(244, 63, 94, 0.18); color: var(--rose); }
.icon-violet { background: rgba(168, 85, 247, 0.18); color: var(--violet); }

.stat-label {
  font-size: 13px;
  color: #94a3b8;
  margin-bottom: 6px;
  letter-spacing: 0.3px;
}

.stat-value {
  font-family: var(--mono);
  font-size: 30px;
  font-weight: 800;
  color: #f8fafc;
  letter-spacing: -0.5px;
  line-height: 1.1;
}

.stat-value .unit {
  font-size: 14px;
  color: #64748b;
  margin-left: 4px;
  font-weight: 500;
}

.stat-delta {
  font-family: var(--mono);
  font-size: 12px;
  margin-top: 10px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  border-radius: 6px;
}
.delta-up { color: var(--emerald); background: rgba(16, 185, 129, 0.12); }
.delta-down { color: var(--rose); background: rgba(244, 63, 94, 0.12); }

.stat-spark {
  position: absolute;
  right: 14px;
  bottom: 12px;
  display: flex;
  align-items: flex-end;
  gap: 3px;
  height: 28px;
  opacity: 0.7;
}
.stat-spark span {
  width: 4px;
  background: linear-gradient(180deg, var(--sky-blue-bright), var(--cyan));
  border-radius: 2px;
}

/* ---------- Featured Competition ---------- */
.featured {
  background: linear-gradient(135deg, rgba(14, 165, 233, 0.12), rgba(129, 140, 248, 0.08));
  border: 1px solid var(--border-bright);
  border-radius: 16px;
  padding: 30px;
  position: relative;
  overflow: hidden;
  margin-bottom: 28px;
}

.featured::before {
  content: "";
  position: absolute;
  top: -50%;
  right: -10%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(56, 189, 248, 0.25), transparent 60%);
  pointer-events: none;
}

.featured-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 28px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.featured-eyebrow {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 2px;
  color: var(--amber);
  text-transform: uppercase;
  margin-bottom: 10px;
}

.featured-title {
  font-size: 28px;
  font-weight: 800;
  color: #f8fafc;
  margin-bottom: 12px;
  letter-spacing: -0.3px;
}

.featured-desc {
  color: #cbd5e1;
  margin-bottom: 20px;
  font-size: 15px;
  max-width: 580px;
}

.featured-meta {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  font-family: var(--mono);
  font-size: 13px;
  color: #94a3b8;
}

.featured-meta span b {
  color: #f1f5f9;
  font-weight: 700;
  margin-left: 6px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: 10px;
  font-weight: 700;
  font-size: 14px;
  border: none;
  cursor: pointer;
  transition: all .2s;
  font-family: inherit;
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--sky-blue), var(--cyan));
  color: #06121f;
  box-shadow: 0 8px 20px -8px rgba(14, 165, 233, 0.6);
}
.btn-primary:hover { transform: translateY(-2px); color: #06121f; filter: brightness(1.08); }

.btn-ghost {
  background: rgba(148, 163, 184, 0.08);
  color: #e2e8f0;
  border: 1px solid var(--border-soft);
}
.btn-ghost:hover { background: rgba(148, 163, 184, 0.15); color: #fff; }

.btn-amber {
  background: linear-gradient(135deg, var(--amber), #f59e0b);
  color: #1a1304;
}
.btn-amber:hover { transform: translateY(-2px); color: #1a1304; }

/* progress bar */
.progress {
  height: 8px;
  background: rgba(148, 163, 184, 0.12);
  border-radius: 100px;
  overflow: hidden;
  margin-top: 6px;
}
.progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--sky-blue), var(--cyan));
  border-radius: 100px;
  position: relative;
}
.progress-bar::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
  animation: shimmer 2s linear infinite;
}
@keyframes shimmer {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

/* ---------- Two Column Layout ---------- */
.layout-2col {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 22px;
  margin-bottom: 28px;
}

.layout-3col {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  margin-bottom: 28px;
}

/* ---------- Data Table ---------- */
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.data-table th {
  text-align: left;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: #64748b;
  font-weight: 600;
  padding: 12px 14px;
  border-bottom: 1px solid var(--border-soft);
}

.data-table td {
  padding: 14px;
  border-bottom: 1px solid rgba(148, 163, 184, 0.07);
  color: #cbd5e1;
  vertical-align: middle;
}

.data-table tbody tr {
  transition: background .15s;
}
.data-table tbody tr:hover {
  background: rgba(14, 165, 233, 0.04);
}

.data-table .mono { font-family: var(--mono); color: #e2e8f0; }

/* status badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 10px;
  border-radius: 100px;
  font-size: 12px;
  font-weight: 600;
  font-family: var(--mono);
  letter-spacing: 0.3px;
}
.badge::before {
  content: "";
  width: 6px; height: 6px;
  border-radius: 50%;
}
.badge-open { background: rgba(16, 185, 129, 0.14); color: #34d399; }
.badge-open::before { background: #34d399; box-shadow: 0 0 6px #34d399; }
.badge-live { background: rgba(244, 63, 94, 0.14); color: #fb7185; }
.badge-live::before { background: #fb7185; box-shadow: 0 0 6px #fb7185; animation: pulse 1.4s infinite; }
.badge-done { background: rgba(148, 163, 184, 0.14); color: #94a3b8; }
.badge-done::before { background: #94a3b8; }
.badge-soon { background: rgba(251, 191, 36, 0.14); color: var(--amber); }
.badge-soon::before { background: var(--amber); }

/* category pills */
.pill {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 600;
  background: rgba(129, 140, 248, 0.14);
  color: var(--indigo-light);
}
.pill-cyan { background: rgba(6, 182, 212, 0.14); color: var(--cyan); }
.pill-amber { background: rgba(251, 191, 36, 0.14); color: var(--amber); }
.pill-violet { background: rgba(168, 85, 247, 0.14); color: var(--violet); }
.pill-emerald { background: rgba(16, 185, 129, 0.14); color: var(--emerald); }
.pill-rose { background: rgba(244, 63, 94, 0.14); color: var(--rose); }

/* ---------- CSS Charts ---------- */
.bar-chart { display: flex; flex-direction: column; gap: 14px; }
.bar-row { display: grid; grid-template-columns: 120px 1fr 60px; align-items: center; gap: 12px; }
.bar-row .bar-label { font-size: 13px; color: #cbd5e1; }
.bar-row .bar-track {
  height: 22px;
  background: rgba(148, 163, 184, 0.08);
  border-radius: 6px;
  overflow: hidden;
  position: relative;
}
.bar-row .bar-fill {
  height: 100%;
  border-radius: 6px;
  background: linear-gradient(90deg, var(--sky-blue), var(--cyan));
  display: flex;
  align-items: center;
  padding-left: 8px;
  font-family: var(--mono);
  font-size: 11px;
  color: #06121f;
  font-weight: 700;
  position: relative;
}
.bar-fill.fill-cyan { background: linear-gradient(90deg, var(--cyan), #22d3ee); }
.bar-fill.fill-indigo { background: linear-gradient(90deg, var(--indigo-light), #a5b4fc); }
.bar-fill.fill-amber { background: linear-gradient(90deg, var(--amber), #fcd34d); }
.bar-fill.fill-emerald { background: linear-gradient(90deg, var(--emerald), #34d399); }
.bar-fill.fill-violet { background: linear-gradient(90deg, var(--violet), #c084fc); }
.bar-fill.fill-rose { background: linear-gradient(90deg, var(--rose), #fb7185); }
.bar-row .bar-value { font-family: var(--mono); font-size: 12px; color: #94a3b8; text-align: right; }

/* vertical bar chart */
.vbar-chart {
  display: flex;
  align-items: flex-end;
  gap: 10px;
  height: 180px;
  padding-top: 10px;
}
.vbar {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  height: 100%;
  justify-content: flex-end;
}
.vbar-fill {
  width: 100%;
  max-width: 36px;
  background: linear-gradient(180deg, var(--sky-blue-bright), var(--cyan));
  border-radius: 6px 6px 0 0;
  position: relative;
  transition: opacity .2s;
}
.vbar-fill:hover { opacity: 0.85; }
.vbar-label { font-family: var(--mono); font-size: 11px; color: #64748b; }
.vbar-value { font-family: var(--mono); font-size: 11px; color: #cbd5e1; font-weight: 600; }

/* gauge meter */
.gauge {
  position: relative;
  width: 160px;
  height: 96px;
  margin: 0 auto;
}
.gauge svg { width: 100%; height: 100%; transform: rotate(180deg); }
.gauge-track { fill: none; stroke: rgba(148, 163, 184, 0.15); stroke-width: 12; stroke-linecap: round; }
.gauge-fill { fill: none; stroke: var(--sky-blue); stroke-width: 12; stroke-linecap: round; filter: drop-shadow(0 0 6px rgba(14, 165, 233, 0.6)); }
.gauge-value {
  position: absolute;
  bottom: 8px; left: 0; right: 0;
  text-align: center;
  font-family: var(--mono);
  font-size: 24px;
  font-weight: 800;
  color: #f8fafc;
}
.gauge-label {
  position: absolute;
  bottom: -8px; left: 0; right: 0;
  text-align: center;
  font-size: 11px;
  color: #64748b;
  letter-spacing: 0.5px;
}

/* donut chart (conic gradient) */
.donut {
  width: 160px;
  height: 160px;
  border-radius: 50%;
  position: relative;
  margin: 0 auto;
}
.donut::after {
  content: "";
  position: absolute;
  inset: 22px;
  background: var(--slate-darker);
  border-radius: 50%;
  border: 1px solid var(--border-soft);
}
.donut-center {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  text-align: center;
  z-index: 2;
}
.donut-center .num { font-family: var(--mono); font-size: 22px; font-weight: 800; color: #f8fafc; }
.donut-center .lbl { font-size: 11px; color: #64748b; }

/* legend */
.legend { display: flex; flex-direction: column; gap: 8px; font-size: 13px; }
.legend-item { display: flex; align-items: center; gap: 8px; color: #cbd5e1; }
.legend-dot { width: 10px; height: 10px; border-radius: 3px; }

/* ---------- Competition Cards Grid ---------- */
.comp-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 28px;
}

.comp-card {
  background: linear-gradient(180deg, rgba(30, 41, 59, 0.65), rgba(15, 23, 42, 0.75));
  border: 1px solid var(--border-soft);
  border-radius: 14px;
  padding: 22px;
  transition: all .25s;
  position: relative;
  overflow: hidden;
}
.comp-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-bright);
  box-shadow: var(--shadow-glow);
}

.comp-card::after {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--sky-blue), var(--cyan));
}

.comp-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 14px;
}

.comp-card-cat {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  font-size: 22px;
  font-weight: 800;
  color: #06121f;
}

.comp-card h3 {
  font-size: 17px;
  font-weight: 700;
  color: #f1f5f9;
  margin-bottom: 6px;
  line-height: 1.3;
}

.comp-card p {
  font-size: 13px;
  color: #94a3b8;
  margin-bottom: 16px;
  line-height: 1.5;
}

.comp-meta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  font-size: 12px;
  margin-bottom: 16px;
}
.comp-meta .meta-item {
  background: rgba(148, 163, 184, 0.05);
  border-radius: 8px;
  padding: 8px 10px;
}
.comp-meta .meta-item .lbl { color: #64748b; font-size: 11px; }
.comp-meta .meta-item .val { color: #e2e8f0; font-family: var(--mono); font-weight: 700; font-size: 13px; margin-top: 2px; }

.comp-card-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  border-top: 1px solid var(--border-soft);
}
.comp-prize {
  font-family: var(--mono);
  font-weight: 700;
  color: var(--amber);
  font-size: 16px;
}
.comp-prize .lbl { color: #64748b; font-size: 11px; font-weight: 500; display: block; }

/* ---------- Filter Bar ---------- */
.filter-bar {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 24px;
  align-items: center;
  padding: 14px;
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid var(--border-soft);
  border-radius: 12px;
}
.filter-chip {
  padding: 7px 14px;
  border-radius: 8px;
  font-size: 13px;
  color: #cbd5e1;
  background: rgba(148, 163, 184, 0.06);
  border: 1px solid transparent;
  cursor: pointer;
  font-weight: 500;
  transition: all .15s;
}
.filter-chip:hover { background: rgba(14, 165, 233, 0.1); color: #fff; }
.filter-chip.active {
  background: rgba(14, 165, 233, 0.18);
  color: var(--sky-blue-bright);
  border-color: var(--border-bright);
  font-weight: 700;
}
.filter-spacer { flex: 1; }
.filter-count { font-family: var(--mono); font-size: 12px; color: #64748b; }

/* ---------- Leaderboard Table ---------- */
.rank-table { width: 100%; border-collapse: collapse; }
.rank-table th {
  text-align: left;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: #64748b;
  font-weight: 600;
  padding: 12px 14px;
  border-bottom: 1px solid var(--border-soft);
}
.rank-table td {
  padding: 14px;
  border-bottom: 1px solid rgba(148, 163, 184, 0.07);
  vertical-align: middle;
}
.rank-table tbody tr:hover { background: rgba(14, 165, 233, 0.04); }

.rank-num {
  width: 36px;
  height: 36px;
  border-radius: 9px;
  display: grid;
  place-items: center;
  font-family: var(--mono);
  font-weight: 800;
  font-size: 14px;
  background: rgba(148, 163, 184, 0.1);
  color: #cbd5e1;
}
.rank-1 { background: linear-gradient(135deg, #fbbf24, #f59e0b); color: #1a1304; box-shadow: 0 0 14px rgba(251, 191, 36, 0.45); }
.rank-2 { background: linear-gradient(135deg, #cbd5e1, #94a3b8); color: #1e293b; }
.rank-3 { background: linear-gradient(135deg, #d97706, #b45309); color: #1a1304; }

.user-cell { display: flex; align-items: center; gap: 12px; }
.avatar {
  width: 36px; height: 36px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-weight: 700;
  color: #06121f;
  font-size: 14px;
}
.user-cell .info .name { font-weight: 700; color: #f1f5f9; font-size: 14px; }
.user-cell .info .sub { font-size: 12px; color: #64748b; font-family: var(--mono); }

.score-cell { font-family: var(--mono); font-weight: 800; color: #f8fafc; font-size: 16px; }

.movement {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 700;
}
.move-up { color: var(--emerald); }
.move-down { color: var(--rose); }
.move-flat { color: #64748b; }

/* Top performers spotlight */
.podium {
  display: grid;
  grid-template-columns: 1fr 1.1fr 1fr;
  gap: 16px;
  align-items: end;
  margin-bottom: 28px;
}
.podium-card {
  background: linear-gradient(180deg, rgba(30, 41, 59, 0.7), rgba(15, 23, 42, 0.85));
  border: 1px solid var(--border-soft);
  border-radius: 14px;
  padding: 24px;
  text-align: center;
  position: relative;
}
.podium-card.gold { border-color: rgba(251, 191, 36, 0.5); box-shadow: 0 0 28px rgba(251, 191, 36, 0.2); }
.podium-card.silver { border-color: rgba(203, 213, 225, 0.4); }
.podium-card.bronze { border-color: rgba(217, 119, 6, 0.4); }
.podium-card.gold { padding-top: 36px; padding-bottom: 36px; }
.podium-medal {
  width: 56px; height: 56px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  margin: 0 auto 12px;
  font-size: 26px;
  font-weight: 900;
}
.medal-gold { background: linear-gradient(135deg, #fbbf24, #d97706); color: #1a1304; box-shadow: 0 0 18px rgba(251, 191, 36, 0.6); }
.medal-silver { background: linear-gradient(135deg, #e2e8f0, #94a3b8); color: #1e293b; }
.medal-bronze { background: linear-gradient(135deg, #d97706, #92400e); color: #1a1304; }

.podium-name { font-size: 17px; font-weight: 800; color: #f8fafc; margin-bottom: 4px; }
.podium-handle { font-family: var(--mono); font-size: 12px; color: #64748b; margin-bottom: 14px; }
.podium-score { font-family: var(--mono); font-size: 26px; font-weight: 800; color: var(--amber); }
.podium-card.silver .podium-score { color: #cbd5e1; }
.podium-card.bronze .podium-score { color: #d97706; }

/* ---------- Schedule / Calendar ---------- */
.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 8px;
  margin-bottom: 8px;
}
.cal-head {
  text-align: center;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 700;
  color: #64748b;
  padding: 8px 0;
  text-transform: uppercase;
  letter-spacing: 1px;
}
.cal-cell {
  min-height: 86px;
  background: rgba(15, 23, 42, 0.5);
  border: 1px solid var(--border-soft);
  border-radius: 8px;
  padding: 8px;
  font-size: 12px;
  position: relative;
  transition: border-color .2s;
}
.cal-cell:hover { border-color: var(--border-bright); }
.cal-cell.empty { background: transparent; border: 1px dashed rgba(148, 163, 184, 0.1); }
.cal-cell.today { border-color: var(--sky-blue); box-shadow: 0 0 12px rgba(14, 165, 233, 0.25); }
.cal-cell .date { font-family: var(--mono); font-weight: 700; color: #cbd5e1; font-size: 13px; }
.cal-event {
  margin-top: 6px;
  padding: 3px 6px;
  border-radius: 4px;
  font-size: 10px;
  font-weight: 600;
  line-height: 1.3;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.cal-event.evt-blue { background: rgba(14, 165, 233, 0.2); color: var(--sky-blue-bright); }
.cal-event.evt-cyan { background: rgba(6, 182, 212, 0.2); color: var(--cyan); }
.cal-event.evt-amber { background: rgba(251, 191, 36, 0.2); color: var(--amber); }
.cal-event.evt-violet { background: rgba(168, 85, 247, 0.2); color: var(--violet); }
.cal-event.evt-emerald { background: rgba(16, 185, 129, 0.2); color: var(--emerald); }
.cal-event.evt-rose { background: rgba(244, 63, 94, 0.2); color: #fb7185; }
.cal-event.evt-indigo { background: rgba(129, 140, 248, 0.2); color: var(--indigo-light); }

/* timeline */
.timeline { position: relative; padding-left: 28px; }
.timeline::before {
  content: "";
  position: absolute;
  left: 9px; top: 4px; bottom: 4px;
  width: 2px;
  background: linear-gradient(180deg, var(--sky-blue), transparent);
}
.timeline-item { position: relative; padding-bottom: 22px; }
.timeline-item:last-child { padding-bottom: 0; }
.timeline-item::before {
  content: "";
  position: absolute;
  left: -28px; top: 4px;
  width: 20px; height: 20px;
  border-radius: 50%;
  background: var(--slate-darker);
  border: 2px solid var(--sky-blue);
  box-shadow: 0 0 10px rgba(14, 165, 233, 0.4);
}
.timeline-item.done::before { background: var(--sky-blue); }
.timeline-date { font-family: var(--mono); font-size: 12px; color: var(--sky-blue-bright); margin-bottom: 4px; }
.timeline-title { font-weight: 700; color: #f1f5f9; font-size: 14px; margin-bottom: 4px; }
.timeline-desc { font-size: 13px; color: #94a3b8; }

/* ---------- Forms ---------- */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-bottom: 20px;
}
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group.full { grid-column: 1 / -1; }
.form-label {
  font-size: 13px;
  color: #cbd5e1;
  font-weight: 600;
  letter-spacing: 0.3px;
}
.form-label .req { color: var(--rose); }
.form-input, .form-select, .form-textarea {
  background: rgba(2, 6, 23, 0.5);
  border: 1px solid var(--border-soft);
  border-radius: 9px;
  padding: 12px 14px;
  color: #e2e8f0;
  font-size: 14px;
  font-family: inherit;
  transition: border-color .2s, box-shadow .2s;
  width: 100%;
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--sky-blue);
  box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.15);
}
.form-textarea { resize: vertical; min-height: 110px; font-family: inherit; }
.form-select { appearance: none; background-image: linear-gradient(45deg, transparent 50%, #64748b 50%), linear-gradient(135deg, #64748b 50%, transparent 50%); background-position: calc(100% - 18px) 18px, calc(100% - 13px) 18px; background-size: 5px 5px; background-repeat: no-repeat; padding-right: 36px; }
.form-hint { font-size: 11px; color: #64748b; font-family: var(--mono); }

.radio-group, .check-group { display: flex; flex-direction: column; gap: 8px; }
.radio-item, .check-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 10px 12px;
  background: rgba(2, 6, 23, 0.4);
  border: 1px solid var(--border-soft);
  border-radius: 8px;
  cursor: pointer;
  transition: border-color .15s;
  font-size: 13px;
  color: #cbd5e1;
}
.radio-item:hover, .check-item:hover { border-color: var(--border-bright); }
.radio-item input, .check-item input { margin-top: 3px; accent-color: var(--sky-blue); }

/* ---------- FAQ ---------- */
.faq-item {
  border-bottom: 1px solid var(--border-soft);
  padding: 16px 0;
}
.faq-item:last-child { border-bottom: none; }
.faq-q {
  font-weight: 700;
  color: #f1f5f9;
  font-size: 14px;
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}
.faq-q::before {
  content: "Q";
  font-family: var(--mono);
  font-size: 11px;
  background: rgba(14, 165, 233, 0.15);
  color: var(--sky-blue-bright);
  padding: 2px 7px;
  border-radius: 5px;
  font-weight: 700;
}
.faq-a {
  color: #94a3b8;
  font-size: 13px;
  padding-left: 28px;
  line-height: 1.6;
}

/* ---------- Steps ---------- */
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 28px;
}
.step-card {
  background: linear-gradient(180deg, rgba(30, 41, 59, 0.5), rgba(15, 23, 42, 0.7));
  border: 1px solid var(--border-soft);
  border-radius: 12px;
  padding: 22px;
  position: relative;
}
.step-num {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--sky-blue-bright);
  background: rgba(14, 165, 233, 0.12);
  padding: 3px 10px;
  border-radius: 6px;
  display: inline-block;
  margin-bottom: 12px;
  font-weight: 700;
  letter-spacing: 1px;
}
.step-card h4 { color: #f1f5f9; font-size: 15px; margin-bottom: 8px; }
.step-card p { color: #94a3b8; font-size: 13px; line-height: 1.6; }

/* ---------- About / Mission ---------- */
.mission-card {
  background: linear-gradient(135deg, rgba(14, 165, 233, 0.08), rgba(129, 140, 248, 0.06));
  border: 1px solid var(--border-bright);
  border-radius: 16px;
  padding: 36px;
  text-align: center;
  margin-bottom: 28px;
  position: relative;
  overflow: hidden;
}
.mission-card::before {
  content: "";
  position: absolute;
  top: -40%; left: 50%;
  transform: translateX(-50%);
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(14, 165, 233, 0.15), transparent 60%);
  pointer-events: none;
}
.mission-card h2 {
  font-size: 28px;
  font-weight: 800;
  color: #f8fafc;
  margin-bottom: 12px;
  position: relative;
  letter-spacing: -0.3px;
}
.mission-card p {
  color: #cbd5e1;
  font-size: 15px;
  max-width: 720px;
  margin: 0 auto;
  position: relative;
}

/* feature list */
.feature-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-bottom: 28px; }
.feature-item {
  background: rgba(15, 23, 42, 0.5);
  border: 1px solid var(--border-soft);
  border-radius: 12px;
  padding: 22px;
}
.feature-item .feat-icon {
  width: 44px; height: 44px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  margin-bottom: 14px;
  font-size: 20px;
  font-weight: 800;
}
.feature-item h4 { color: #f1f5f9; font-size: 15px; margin-bottom: 8px; }
.feature-item p { color: #94a3b8; font-size: 13px; line-height: 1.6; }

/* ---------- Score Distribution / Histogram ---------- */
.histogram { display: flex; align-items: flex-end; gap: 6px; height: 160px; padding-top: 8px; }
.hist-bar {
  flex: 1;
  background: linear-gradient(180deg, var(--indigo-light), var(--sky-blue));
  border-radius: 4px 4px 0 0;
  position: relative;
  transition: opacity .2s;
}
.hist-bar:hover { opacity: 0.8; }
.hist-bar::after {
  content: attr(data-val);
  position: absolute;
  top: -18px; left: 50%;
  transform: translateX(-50%);
  font-family: var(--mono);
  font-size: 10px;
  color: #94a3b8;
}

/* ---------- Search Box ---------- */
.search-box {
  display: flex;
  gap: 10px;
  align-items: center;
  background: rgba(2, 6, 23, 0.5);
  border: 1px solid var(--border-soft);
  border-radius: 10px;
  padding: 4px 4px 4px 16px;
  margin-bottom: 22px;
}
.search-box input {
  flex: 1;
  background: transparent;
  border: none;
  color: #e2e8f0;
  font-size: 14px;
  padding: 10px 0;
  font-family: inherit;
}
.search-box input:focus { outline: none; }
.search-box input::placeholder { color: #64748b; }
.search-box .search-icon { color: #64748b; font-family: var(--mono); }
.search-box button {
  background: linear-gradient(135deg, var(--sky-blue), var(--cyan));
  color: #06121f;
  border: none;
  border-radius: 8px;
  padding: 10px 20px;
  font-weight: 700;
  font-size: 13px;
  cursor: pointer;
  font-family: inherit;
}

/* ---------- Notification signup ---------- */
.notify-box {
  background: linear-gradient(135deg, rgba(14, 165, 233, 0.1), rgba(129, 140, 248, 0.06));
  border: 1px solid var(--border-bright);
  border-radius: 14px;
  padding: 24px;
  text-align: center;
}
.notify-box h4 { color: #f1f5f9; margin-bottom: 8px; font-size: 16px; }
.notify-box p { color: #94a3b8; font-size: 13px; margin-bottom: 16px; }
.notify-form { display: flex; gap: 8px; max-width: 420px; margin: 0 auto; }
.notify-form input {
  flex: 1;
  background: rgba(2, 6, 23, 0.5);
  border: 1px solid var(--border-soft);
  border-radius: 8px;
  padding: 10px 14px;
  color: #e2e8f0;
  font-size: 13px;
  font-family: inherit;
}
.notify-form input:focus { outline: none; border-color: var(--sky-blue); }
.notify-form button {
  background: linear-gradient(135deg, var(--sky-blue), var(--cyan));
  color: #06121f;
  border: none;
  border-radius: 8px;
  padding: 10px 18px;
  font-weight: 700;
  font-size: 13px;
  cursor: pointer;
  font-family: inherit;
}

/* ---------- Prize Tier ---------- */
.prize-tiers { display: flex; flex-direction: column; gap: 10px; }
.prize-tier {
  display: grid;
  grid-template-columns: 50px 1fr auto;
  align-items: center;
  gap: 14px;
  padding: 14px 18px;
  background: rgba(15, 23, 42, 0.5);
  border: 1px solid var(--border-soft);
  border-radius: 10px;
}
.prize-tier .tier-num {
  width: 40px; height: 40px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  font-family: var(--mono);
  font-weight: 800;
  font-size: 14px;
}
.tier-1 { background: linear-gradient(135deg, #fbbf24, #d97706); color: #1a1304; }
.tier-2 { background: linear-gradient(135deg, #e2e8f0, #94a3b8); color: #1e293b; }
.tier-3 { background: linear-gradient(135deg, #d97706, #92400e); color: #1a1304; }
.tier-other { background: rgba(148, 163, 184, 0.15); color: #cbd5e1; }
.prize-tier .tier-name { font-weight: 700; color: #f1f5f9; font-size: 14px; }
.prize-tier .tier-name small { display: block; color: #64748b; font-weight: 500; font-size: 12px; margin-top: 2px; }
.prize-tier .tier-amount { font-family: var(--mono); font-weight: 800; color: var(--amber); font-size: 18px; }

/* ---------- Footer ---------- */
.footer {
  border-top: 1px solid var(--border-soft);
  padding: 32px 0;
  margin-top: 60px;
  background: rgba(2, 6, 23, 0.6);
  position: relative;
  z-index: 1;
}
.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 32px;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}
.footer-brand p { color: #64748b; font-size: 13px; margin-top: 10px; max-width: 320px; }
.footer h5 { color: #cbd5e1; font-size: 13px; font-weight: 700; margin-bottom: 12px; text-transform: uppercase; letter-spacing: 1px; }
.footer ul { list-style: none; }
.footer ul li { margin-bottom: 8px; }
.footer ul li a { color: #64748b; font-size: 13px; }
.footer ul li a:hover { color: var(--sky-blue-bright); }
.footer-bottom {
  max-width: 1280px;
  margin: 24px auto 0;
  padding: 18px 24px 0;
  border-top: 1px solid var(--border-soft);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 12px;
  color: #475569;
  font-family: var(--mono);
}

/* ---------- Section Title ---------- */
.section-title {
  font-size: 18px;
  font-weight: 700;
  color: #f1f5f9;
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.section-title::before {
  content: "";
  width: 4px;
  height: 18px;
  background: linear-gradient(180deg, var(--sky-blue), var(--cyan));
  border-radius: 2px;
}

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 18px;
}

/* ---------- Hero Stats Strip ---------- */
.hero-strip {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 28px;
  padding: 18px 24px;
  background: rgba(2, 6, 23, 0.55);
  border: 1px solid var(--border-soft);
  border-radius: 12px;
  font-family: var(--mono);
  font-size: 13px;
  color: #94a3b8;
}
.hero-strip .hs-item { display: flex; align-items: center; gap: 8px; }
.hero-strip .hs-item .dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--emerald);
  box-shadow: 0 0 8px var(--emerald);
  animation: pulse 1.6s infinite;
}
.hero-strip .hs-item b { color: #f1f5f9; font-weight: 700; }

/* ---------- Live indicator ---------- */
.live-dot {
  display: inline-block;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--rose);
  box-shadow: 0 0 8px var(--rose);
  animation: pulse 1.2s infinite;
  margin-right: 6px;
}

/* ---------- Tag list ---------- */
.tag-row { display: flex; gap: 8px; flex-wrap: wrap; }

/* ---------- Misc ---------- */
.text-muted { color: #64748b; }
.text-mono { font-family: var(--mono); }
.text-amber { color: var(--amber); }
.text-emerald { color: var(--emerald); }
.text-rose { color: var(--rose); }
.text-sky { color: var(--sky-blue-bright); }
.mt-0 { margin-top: 0; } .mt-1 { margin-top: 8px; } .mt-2 { margin-top: 16px; } .mt-3 { margin-top: 24px; }
.mb-0 { margin-bottom: 0; } .mb-1 { margin-bottom: 8px; } .mb-2 { margin-bottom: 16px; } .mb-3 { margin-bottom: 24px; }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
  .featured-grid { grid-template-columns: 1fr; }
  .layout-2col, .layout-3col { grid-template-columns: 1fr; }
  .comp-grid { grid-template-columns: repeat(2, 1fr); }
  .podium { grid-template-columns: 1fr; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .feature-list { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .nav { display: none; }
  .nav.mobile-show { display: flex; position: absolute; top: 64px; left: 0; right: 0; flex-direction: column; background: rgba(15, 23, 42, 0.97); padding: 16px; border-bottom: 1px solid var(--border-soft); }
}

@media (max-width: 640px) {
  .container { padding: 0 16px; }
  .stat-grid { grid-template-columns: 1fr; }
  .comp-grid { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .calendar-grid { grid-template-columns: repeat(7, 1fr); gap: 4px; }
  .cal-cell { min-height: 56px; padding: 4px; }
  .cal-cell .date { font-size: 11px; }
  .cal-event { font-size: 9px; padding: 2px 4px; }
  .page-title { font-size: 26px; }
  .podium { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; }
  .hero-strip { font-size: 12px; }
  .topbar-inner { padding: 0 16px; }
  .brand { font-size: 15px; }
  .nav-cta { display: none; }
}

/* mobile nav toggle */
.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border-soft);
  color: #cbd5e1;
  border-radius: 8px;
  padding: 6px 10px;
  cursor: pointer;
  font-family: var(--mono);
}
@media (max-width: 1024px) {
  .nav-toggle { display: inline-block; }
}