:root {
  color-scheme: dark;
  --bg: #0b0f19;
  --bg-2: #070a10;
  --panel: #111827;
  --panel-strong: #172033;
  --line: #1e293b;
  --line-active: #334155;
  --text: #f8fafc;
  --muted: #64748b;
  --accent: #38bdf8;
  --accent-dim: rgba(56, 189, 248, 0.1);
  --radius: 12px;
  --radius-sm: 8px;
}

* { 
  box-sizing: border-box; 
  letter-spacing: -0.01em;
}

html { 
  scroll-behavior: smooth; 
  background-color: var(--bg-2);
}

body {
  margin: 0;
  font-family: 'Space Grotesk', system-ui, sans-serif;
  background: 
    radial-gradient(at 0% 0%, rgba(56, 189, 248, 0.08) 0px, transparent 50%),
    radial-gradient(at 100% 100%, rgba(56, 189, 248, 0.03) 0px, transparent 50%),
    var(--bg);
  color: var(--text);
  min-height: 100vh;
  padding-bottom: 60px;
}

a { color: inherit; text-decoration: none; }
button, input { font: inherit; }

.shell {
  width: min(1200px, calc(100% - 40px));
  margin: 0 auto;
}

/* --- Navigation & Header --- */
.header {
  padding: 32px 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 40px;
}

.brand-block {
  display: flex;
  align-items: center;
  gap: 16px;
}

.brand-mark {
  width: 52px;
  height: 52px;
  flex: none;
  object-fit: contain;
}

.eyebrow, .section-tag {
  margin: 0 0 4px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--accent);
}

h1, h2, h3, p { margin-top: 0; }
h1 { font-size: clamp(2rem, 3.5vw, 2.75rem); font-weight: 700; margin-bottom: 6px; }
h2 { font-size: clamp(1.5rem, 2.5vw, 2rem); font-weight: 700; margin-bottom: 12px; }
h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 8px; }
.lede { max-width: 54ch; color: var(--muted); font-size: 1.05rem; line-height: 1.5; }

.top-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.top-nav a {
  font-size: 0.9rem;
  font-weight: 500;
  padding: 8px 16px;
  color: var(--muted);
  border-radius: var(--radius-sm);
  transition: color 0.2s ease, background 0.2s ease;
}

.top-nav a:hover {
  color: var(--text);
  background: var(--panel);
}

/* --- Interactive Elements & Buttons --- */
.button, .chip {
  font-size: 0.9rem;
  font-weight: 600;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 10px 20px;
  background: var(--bg-2);
  cursor: pointer;
  transition: border-color 0.15s ease, background 0.15s ease, color 0.15s ease;
}

.button:hover, .chip:hover {
  border-color: var(--line-active);
  background: var(--panel);
}

.button.primary {
  background: var(--text);
  border-color: var(--text);
  color: var(--bg-2);
}

.button.primary:hover {
  background: #ffffff;
  opacity: 0.95;
}

.chip-active {
  font-size: 0.9rem;
  font-weight: 600;
  border: 1px solid var(--accent);
  border-radius: var(--radius-sm);
  padding: 10px 20px;
  background: var(--accent-dim);
  color: var(--accent);
  cursor: pointer;
}

/* --- Layout Structure --- */
.page-grid { 
  display: grid; 
  gap: 32px; 
}

.panel {
  border: 1px solid var(--line);
  background: var(--panel);
  border-radius: var(--radius);
  padding: 32px;
}

.panel.inset { 
  background: var(--bg-2); 
  border-radius: var(--radius-sm); 
  padding: 24px;
}

/* --- Modules --- */
.hero { 
  display: grid; 
  grid-template-columns: 1.2fr 0.8fr; 
  gap: 32px; 
  align-items: center; 
}

.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 20px 0 0; }

.pill-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 24px; }
.pill {
  font-size: 0.8rem;
  font-weight: 500;
  padding: 6px 12px;
  border-radius: 4px;
  border: 1px solid var(--line);
  background: var(--bg-2);
  color: var(--muted);
}

.mode-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.mode-card, .ranking-item, .player-card, .queue-item, .ladder-step {
  border: 1px solid var(--line);
  background: var(--panel);
  border-radius: var(--radius-sm);
  padding: 16px;
}

.mode-card span { color: var(--muted); font-size: 0.9rem; display: block; margin-top: 2px; }

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 24px;
  margin-bottom: 24px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 16px;
}
.section-head.compact { align-items: center; }

.ladder { display: grid; gap: 8px; }
.ladder-step {
  display: grid;
  grid-template-columns: 120px 1fr auto;
  gap: 16px;
  align-items: center;
  background: var(--panel);
}

.tier-label { font-weight: 700; font-size: 0.95rem; text-transform: uppercase; color: var(--text); }
.tier-note { color: var(--muted); font-size: 0.9rem; }
.ladder-step .depth { color: var(--accent); font-weight: 700; font-size: 1.05rem; }

.rankings-layout { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 24px; }
.ranking-list, .profile-card { min-height: 400px; }

.chip-row { display: flex; flex-wrap: wrap; gap: 8px; }

.ranking-item {
  display: grid;
  grid-template-columns: 40px 1fr auto;
  gap: 16px;
  align-items: center;
  margin-bottom: 8px;
  cursor: pointer;
  background: var(--bg-2);
  transition: border-color 0.15s ease;
}
.ranking-item:hover { border-color: var(--line-active); }

.rank-badge {
  width: 40px; 
  height: 40px; 
  border-radius: 6px;
  display: grid; 
  place-items: center;
  background: var(--line);
  color: var(--text);
  font-weight: 700;
  font-size: 0.95rem;
}

.player-directory {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 12px;
}
.player-card { background: var(--bg-2); }
.player-card .name { font-size: 1rem; font-weight: 700; }
.player-card .meta { color: var(--muted); font-size: 0.85rem; margin-top: 2px; }

.search {
  min-width: 300px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  background: var(--bg-2);
  color: var(--text);
  padding: 10px 16px;
  outline: none;
  font-size: 0.95rem;
  transition: border-color 0.2s ease;
}
.search:focus { border-color: var(--accent); }
.search::placeholder { color: #475569; }

.split-two {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.process-list, .rules-list {
  margin: 16px 0 0 0;
  padding-left: 20px;
  color: var(--muted);
  line-height: 1.6;
}
.process-list li::marker, .rules-list li::marker { color: var(--accent); }
.process-list li, .rules-list li { margin-bottom: 8px; }

.queue-state { display: grid; gap: 8px; }
.queue-item { background: var(--panel); align-items: center; }

.code-block {
  font-family: monospace;
  font-size: 0.9rem;
  padding: 10px 14px;
  border-radius: 6px;
  background: #000000;
  border: 1px solid var(--line);
  color: var(--accent);
}

.footer {
  padding: 40px 0 0;
  border-top: 1px solid var(--line);
  margin-top: 60px;
  color: var(--muted);
  font-size: 0.85rem;
}

/* --- Completely Removed Artificial Glow Components (.ambient elements dropped entirely) --- */

/* --- Responsive Adaptations --- */
@media (max-width: 980px) {
  .header { flex-direction: column; align-items: flex-start; gap: 20px; padding: 24px 0; }
  .top-nav { width: 100%; }
  .hero { grid-template-columns: 1fr; gap: 32px; }
  .rankings-layout { grid-template-columns: 1fr; }
  .split-two { grid-template-columns: 1fr; }
  .section-head { flex-direction: column; align-items: flex-start; gap: 16px; }
  .chip-row, .search { width: 100%; min-width: 100%; }
}

@media (max-width: 640px) {
  .shell { width: min(100% - 32px, 1200px); }
  .panel { padding: 20px; }
  .panel.inset { padding: 16px; }
  .mode-grid { grid-template-columns: 1fr; }
  .ladder-step { grid-template-columns: 1fr; gap: 4px; }
  .ladder-step .depth { justify-self: flex-start; margin-top: 4px; }
  .ranking-item { grid-template-columns: 40px 1fr; }
  .ranking-item auto { grid-column: 2; margin-top: 4px; }
}