@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@500;700&family=Inter:wght@400;500;600&family=JetBrains+Mono:wght@400;600&display=swap');

:root {
  --bg: #0f0e1a;
  --bg-alt: #131320;
  --panel: #1c1b2e;
  --panel-alt: #211f35;
  --border: #322f4d;
  --border-soft: #272443;
  --text: #edeaf6;
  --muted: #8b87a6;
  --amber: #f5a623;
  --red: #ff5470;
  --cyan: #5eead4;
  --violet: #a5b4fc;
  --radius: 10px;
}

* { box-sizing: border-box; }

/* The UA rule for [hidden] is display:none, but any author rule that sets
   display (e.g. `.modal label { display: block }`) silently beats it. Several
   form fields here are toggled via the hidden attribute, so make it win. */
[hidden] { display: none !important; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
}
body { display: flex; flex-direction: column; min-height: 100vh; }
main { flex: 1; }

h1, h2, h3, .display { font-family: 'Space Grotesk', sans-serif; letter-spacing: -0.02em; margin: 0; }
code, .mono, .score, .char-count, kbd { font-family: 'JetBrains Mono', monospace; }
a { color: inherit; }

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  border-radius: 7px;
  transition: transform 0.08s ease, background 0.15s ease, border-color 0.15s ease;
}
button:active { transform: scale(0.97); }
button:focus-visible, a:focus-visible, input:focus-visible, [tabindex]:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.btn { padding: 10px 18px; font-size: 13px; font-weight: 600; display: inline-flex; align-items: center; gap: 8px; text-decoration: none; }
.btn.sm { padding: 7px 12px; font-size: 12px; }
.btn.block { width: 100%; justify-content: center; }
.btn.accent { background: var(--red); color: #0b0b12; }
.btn.accent:hover { background: #ff6b84; }
.btn.accent:disabled { opacity: 0.4; cursor: not-allowed; }
.btn.ghost { background: var(--panel); border: 1px solid var(--border); color: var(--text); }
.btn.ghost:hover { border-color: var(--cyan); }
.btn kbd { font-size: 10px; color: var(--muted); border: 1px solid var(--border); border-radius: 4px; padding: 1px 4px; }
.link-btn { background: none; color: var(--muted); font-size: 11px; padding: 0; text-transform: none; letter-spacing: 0; }
.link-btn:hover { color: var(--cyan); }

.num { text-align: right; }
.empty, .empty-cell { color: var(--muted); font-size: 14px; padding: 20px 0; }

/* ---------- Header ---------- */
.topbar {
  display: flex;
  align-items: center;
  gap: 28px;
  padding: 16px 28px;
  border-bottom: 1px solid var(--border-soft);
  background: rgba(15, 14, 26, 0.85);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 20;
}
.brand {
  display: inline-flex;
  align-items: baseline;
  gap: 7px;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 20px;
  font-weight: 700;
  text-decoration: none;
}
/* Not scoped to .brand — the footer reuses the wordmark outside that block. */
.vs-mark {
  color: var(--red);
  font-size: 13px;
  font-weight: 700;
  border: 1.5px solid var(--red);
  border-radius: 4px;
  padding: 1px 5px;
  transform: rotate(-6deg);
  display: inline-block;
}
.topbar nav { display: flex; gap: 20px; }
.topbar nav a { color: var(--muted); text-decoration: none; font-size: 14px; padding: 4px 0; border-bottom: 2px solid transparent; }
.topbar nav a:hover { color: var(--text); }
.topbar nav a.active { color: var(--text); border-bottom-color: var(--red); }
.nav-actions { margin-left: auto; display: flex; align-items: center; gap: 14px; }
.nav-xp { font-size: 12px; color: var(--muted); font-family: 'JetBrains Mono', monospace; }
.nav-user { font-size: 13px; text-decoration: none; color: var(--text); font-weight: 500; }
.nav-user:hover { color: var(--cyan); }

/* ---------- Hero + rank card ---------- */
.hero {
  max-width: 1080px;
  margin: 0 auto;
  padding: 56px 24px 8px;
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 40px;
  align-items: center;
}
.hero h1 { font-size: 44px; line-height: 1.08; margin-bottom: 16px; }
.hero h1 .hl { color: var(--cyan); }
.hero p { color: var(--muted); font-size: 15px; line-height: 1.6; max-width: 480px; margin: 0 0 24px; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }

.rank-card {
  background: linear-gradient(160deg, var(--panel), var(--bg-alt));
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 20px;
}
.rank-card-head { display: flex; align-items: center; gap: 12px; margin-bottom: 18px; }
.tier-icon { font-size: 18px; letter-spacing: -2px; }
.tier-name { font-family: 'Space Grotesk', sans-serif; font-weight: 700; font-size: 16px; }
.tier-sub { font-size: 12px; color: var(--muted); }
.stat-row { display: flex; gap: 26px; margin-bottom: 14px; }
.stat-row > div, .stat-box { display: flex; flex-direction: column; }
.stat-value { font-family: 'JetBrains Mono', monospace; font-size: 20px; font-weight: 600; }
.stat-value.gold { color: var(--amber); }
.stat-value.silver { color: #c7cbd8; }
.stat-label { font-size: 10px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted); margin-top: 2px; }

.progress { height: 6px; background: var(--border-soft); border-radius: 3px; overflow: hidden; margin-bottom: 10px; }
.progress.big { height: 8px; margin-bottom: 10px; }
.progress-fill { height: 100%; border-radius: 3px; transition: width 0.4s ease; }
.tier-next { font-size: 12px; color: var(--muted); }

/* ---------- Level select ---------- */
.container { max-width: 1080px; margin: 0 auto; padding: 32px 24px 80px; }
.page-head { margin-bottom: 24px; }
.page-head h2 { font-size: 30px; margin-bottom: 8px; }
.page-head p { color: var(--muted); font-size: 14px; margin: 0; }
.section-label {
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 14px;
}

.filter-bar { display: flex; gap: 8px; margin-bottom: 28px; flex-wrap: wrap; }
.filter {
  background: var(--panel);
  border: 1px solid var(--border);
  color: var(--muted);
  font-size: 12px;
  font-weight: 500;
  padding: 7px 14px;
  border-radius: 20px;
}
.filter:hover { color: var(--text); }
.filter.active { background: var(--text); color: var(--bg); border-color: var(--text); }

.level-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 16px;
  margin-bottom: 40px;
}
.level-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  text-decoration: none;
  color: var(--text);
  position: relative;
  overflow: hidden;
  transition: border-color 0.15s ease, transform 0.15s ease;
}
.level-card:hover { border-color: var(--cyan); transform: translateY(-2px); }
.level-card.played::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: var(--cyan);
}
.type-tag {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 3px 7px;
  border-radius: 4px;
}
.level-card .type-tag { position: absolute; top: 14px; right: 14px; }
.type-tag.visual { background: rgba(94, 234, 212, 0.15); color: var(--cyan); }
.type-tag.golf { background: rgba(245, 166, 35, 0.15); color: var(--amber); }
.type-tag.ui { background: rgba(165, 180, 252, 0.15); color: var(--violet); }
.type-tag.anim { background: rgba(255, 84, 112, 0.15); color: var(--red); }
.level-card h3 { font-size: 17px; padding-right: 76px; }
.level-card p { margin: 0; font-size: 13px; color: var(--muted); line-height: 1.5; }

.medal { width: 12px; height: 12px; border-radius: 50%; display: inline-block; position: absolute; top: 40px; right: 16px; }
.medal.inline { position: static; margin-right: 4px; vertical-align: -1px; }
.medal.gold { background: linear-gradient(150deg, #ffe08a, #f5a623); }
.medal.silver { background: linear-gradient(150deg, #f0f2f6, #a8adbd); }
.medal.bronze { background: linear-gradient(150deg, #e0a071, #b87333); }

.difficulty { display: flex; gap: 4px; margin-top: auto; }
.difficulty.inline { margin-top: 0; }
.difficulty span { width: 16px; height: 4px; border-radius: 2px; background: var(--border); }
.difficulty span.on { background: var(--red); }
.best-score { font-size: 12px; color: var(--muted); }
.best-score b { color: var(--cyan); font-family: 'JetBrains Mono', monospace; }

/* ---------- Play view ---------- */
.play-header { padding: 24px 28px 0; max-width: 1200px; margin: 0 auto; }
.play-nav { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; }
.back-link { color: var(--muted); text-decoration: none; font-size: 13px; }
.back-link:hover { color: var(--text); }
.level-stepper { display: flex; align-items: center; gap: 14px; font-size: 13px; }
.level-stepper a { color: var(--muted); text-decoration: none; }
.level-stepper a:hover { color: var(--cyan); }
.level-stepper .disabled { color: var(--border); }
.level-stepper .counter { font-family: 'JetBrains Mono', monospace; font-size: 12px; color: var(--muted); }

.play-title { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 8px; }
.play-title h2 { font-size: 26px; }
.pb { font-size: 12px; color: var(--muted); }
.pb b { color: var(--cyan); font-family: 'JetBrains Mono', monospace; }
.play-header p.desc { color: var(--muted); font-size: 14px; max-width: 680px; line-height: 1.6; margin: 0; }

.hint-wrap { margin-top: 12px; }
.hint-toggle {
  background: none; border: 1px dashed var(--border); color: var(--muted);
  font-size: 11px; padding: 5px 10px; border-radius: 5px;
}
.hint-toggle:hover { border-color: var(--amber); color: var(--amber); }
.hint {
  margin-top: 8px; padding: 12px 14px; background: rgba(245, 166, 35, 0.07);
  border-left: 2px solid var(--amber); border-radius: 0 6px 6px 0;
  font-size: 13px; color: #f0d9b0; line-height: 1.6; max-width: 680px;
}

.arena {
  max-width: 1200px;
  margin: 20px auto 0;
  padding: 0 28px 40px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  position: relative;
}
.arena::before {
  content: "VS";
  position: absolute;
  left: 50%;
  top: 40px;
  transform: translateX(-50%) rotate(-6deg);
  background: var(--red);
  color: #0b0b12;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 13px;
  padding: 4px 10px;
  border-radius: 5px;
  z-index: 3;
}
.pane { background: var(--panel); border: 1px solid var(--border); min-width: 0; }
.pane.left { border-radius: var(--radius) 0 0 0; border-right: none; }
.pane.right { border-radius: 0 var(--radius) 0 0; }
.pane-header {
  padding: 10px 16px;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.pane-body { padding: 16px; }
.pane-body:empty { padding: 0; }
.target-canvas-wrap, .preview-canvas-wrap {
  background: #0b0b12;
  border-radius: 6px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 220px;
}
/* Render at native 400x300 wherever there is room. Upscaling a canvas in a
   pixel-matching game makes the target look softer than what is scored. */
canvas { width: 400px; max-width: 100%; height: auto; }

/* ---------- Spec strip (canvas size + palette) ---------- */
.spec { margin-top: 14px; display: flex; flex-direction: column; gap: 10px; }
.spec-row { display: flex; align-items: flex-start; gap: 12px; }
.spec-label {
  font-size: 10px; text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--muted); padding-top: 6px; min-width: 54px; flex-shrink: 0;
}
.spec-row code {
  font-size: 12px; color: var(--text); background: var(--panel-alt);
  border: 1px solid var(--border); border-radius: 5px; padding: 4px 9px;
}
.swatches { display: flex; flex-wrap: wrap; gap: 6px; }
.swatch {
  display: inline-flex; align-items: center; gap: 7px;
  background: var(--panel-alt); border: 1px solid var(--border); border-radius: 5px;
  padding: 4px 9px 4px 5px; color: var(--text);
  font-family: 'JetBrains Mono', monospace; font-size: 11px;
}
.swatch:hover { border-color: var(--cyan); }
.swatch i {
  width: 14px; height: 14px; border-radius: 3px; flex-shrink: 0;
  border: 1px solid rgba(255, 255, 255, 0.18);
  /* Chequerboard shows through for transparent swatches. */
  background-image: linear-gradient(45deg, #444 25%, transparent 25%, transparent 75%, #444 75%),
                    linear-gradient(45deg, #444 25%, transparent 25%, transparent 75%, #444 75%);
  background-size: 8px 8px;
  background-position: 0 0, 4px 4px;
}
.swatch em {
  font-style: normal; font-size: 9px; text-transform: uppercase; letter-spacing: 0.06em;
  color: var(--muted); border-left: 1px solid var(--border); padding-left: 6px;
}
.spec-note { color: var(--muted); font-size: 11px; line-height: 1.5; margin: 0; }

.editor-wrap { border-top: 1px solid var(--border); }
/* Bracket matching from the CodeMirror addon. */
.CodeMirror-matchingbracket { color: var(--cyan) !important; font-weight: 700; }
.CodeMirror-nonmatchingbracket { color: var(--red) !important; }
.CodeMirror { height: 280px; font-size: 13px; background: #0f0e19 !important; }

.golf-tests { display: flex; flex-direction: column; gap: 8px; }
.test-row {
  display: flex; justify-content: space-between; align-items: center; gap: 12px;
  background: var(--panel-alt); border-radius: 6px; padding: 9px 12px; font-size: 12px;
}
.test-row .mono { overflow-x: auto; white-space: nowrap; }
.test-row.hidden-tests { color: var(--muted); border: 1px dashed var(--border); background: none; }
.test-row .status { font-size: 14px; flex-shrink: 0; font-family: 'JetBrains Mono', monospace; }
.test-row .status.pass { color: var(--cyan); }
.test-row .status.fail { color: var(--red); }
.test-row .status.partial { color: var(--amber); }
.test-row .status.pending { color: var(--muted); }

.hud {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  background: var(--panel-alt);
  border: 1px solid var(--border);
  border-top: none;
  border-radius: 0 0 var(--radius) var(--radius);
  padding: 14px 20px;
  flex-wrap: wrap;
}
.hud .metrics { display: flex; gap: 28px; }
.metric { display: flex; flex-direction: column; }
.metric .label { font-size: 10px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted); }
.metric .value { font-size: 19px; font-weight: 600; font-family: 'JetBrains Mono', monospace; }
.metric .value.muted { color: var(--muted); }
.metric .value.score { color: var(--amber); }
.metric .value.score.perfect { color: var(--cyan); }
.metric .value.over-par { color: var(--red); }
.hud .actions { display: flex; gap: 10px; }

/* ---------- Tables / leaderboards ---------- */
.leaderboard { margin-top: 24px; }
.leaderboard table { width: 100%; border-collapse: collapse; font-size: 13px; }
.leaderboard th {
  text-align: left; color: var(--muted); font-weight: 500; font-size: 11px;
  text-transform: uppercase; letter-spacing: 0.08em; padding: 8px 12px;
  border-bottom: 1px solid var(--border);
}
.leaderboard th.num { text-align: right; }
.leaderboard td { padding: 9px 12px; border-bottom: 1px solid var(--border-soft); }
.leaderboard tr:last-child td { border-bottom: none; }
.leaderboard tr.you td { background: rgba(94, 234, 212, 0.06); }
.leaderboard tr.dim td { color: var(--muted); }
.leaderboard .rank-cell { font-family: 'JetBrains Mono', monospace; color: var(--muted); width: 48px; }
.you-tag {
  font-size: 9px; text-transform: uppercase; letter-spacing: 0.08em;
  background: var(--cyan); color: #0b0b12; padding: 1px 5px; border-radius: 3px; vertical-align: 1px;
}
.tier-legend { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 24px; }
.tier-chip {
  background: var(--panel); border: 1px solid var(--border); border-radius: 20px;
  padding: 6px 13px; font-size: 12px;
}
.tier-chip em { color: var(--muted); font-style: normal; font-family: 'JetBrains Mono', monospace; font-size: 11px; margin-left: 4px; }

/* ---------- Profile ---------- */
.profile-head { display: flex; align-items: center; gap: 18px; margin-bottom: 28px; }
.tier-badge {
  width: 64px; height: 64px; border-radius: 50%; border: 2px solid;
  display: flex; align-items: center; justify-content: center; font-size: 16px; letter-spacing: -2px;
}
.profile-head h2 { font-size: 26px; }
.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 14px; margin-bottom: 24px; }
.stat-box { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; }

/* ---------- About ---------- */
.about-hero { display: flex; gap: 24px; align-items: flex-start; margin-bottom: 26px; }
.about-avatar {
  width: 76px; height: 76px; border-radius: 20px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  font-family: 'Space Grotesk', sans-serif; font-weight: 700; font-size: 32px; color: #0b0b12;
  background: linear-gradient(150deg, var(--cyan), var(--violet));
}
.about-hero h2 { font-size: 30px; margin-bottom: 6px; }
.about-role { color: var(--cyan); font-size: 14px; margin: 0 0 4px; font-weight: 500; }
.about-meta { color: var(--muted); font-size: 13px; margin: 0 0 16px; }
.about-links { display: flex; gap: 8px; flex-wrap: wrap; }
.about-bio {
  color: var(--text); font-size: 15px; line-height: 1.75; max-width: 720px;
  margin: 0 0 40px; opacity: 0.88;
}
.about-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 14px; margin-bottom: 40px;
}
.about-card {
  background: var(--panel); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 18px;
}
.about-card { display: flex; flex-direction: column; }
.about-card h3 { font-size: 15px; margin-bottom: 8px; color: var(--cyan); }
.about-card p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.6; }
.about-card .about-stack { margin-top: auto; padding-top: 14px; }
.about-card .about-stack span { font-size: 10px; padding: 3px 8px; }
.about-panel {
  background: var(--panel); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 24px; max-width: 760px;
}
.about-panel p { color: var(--muted); font-size: 14px; line-height: 1.7; margin: 0 0 14px; }
.about-panel em { color: var(--text); font-style: italic; }
.about-stack { display: flex; flex-wrap: wrap; gap: 7px; margin: 4px 0 0 !important; }
.about-stack span {
  background: var(--panel-alt); border: 1px solid var(--border); border-radius: 5px;
  padding: 4px 10px; font-size: 11px; color: var(--muted);
  font-family: 'JetBrains Mono', monospace;
}
.footer-bar .made-by a { color: inherit; text-decoration: none; }

/* ---------- Errors, toasts, confetti ---------- */
.error-banner {
  grid-column: 1 / -1;
  background: rgba(255, 84, 112, 0.12);
  border: 1px solid rgba(255, 84, 112, 0.4);
  color: #ffb0bd;
  padding: 10px 14px;
  border-radius: 6px;
  font-size: 13px;
  font-family: 'JetBrains Mono', monospace;
  margin-top: 12px;
  white-space: pre-wrap;
}
#error-slot { grid-column: 1 / -1; }

#toast-host { position: fixed; bottom: 24px; right: 24px; z-index: 60; display: flex; flex-direction: column; gap: 10px; }
.toast {
  background: var(--panel); border: 1px solid var(--border); border-left: 3px solid var(--violet);
  color: var(--text); padding: 12px 18px; border-radius: 8px; font-size: 13px;
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.45); max-width: 320px;
  animation: toast-in 0.22s ease;
}
.toast.success { border-left-color: var(--cyan); }
.toast.error { border-left-color: var(--red); }
.toast.out { opacity: 0; transform: translateX(12px); transition: all 0.3s ease; }
@keyframes toast-in { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

.confetti-host { position: fixed; inset: 0; pointer-events: none; z-index: 70; overflow: hidden; }
.confetti-host span {
  position: absolute; top: -12px; width: 8px; height: 12px; border-radius: 1px;
  animation: confetti-fall 2.2s linear forwards;
}
@keyframes confetti-fall {
  to { transform: translateY(102vh) rotate(540deg); opacity: 0; }
}

/* ---------- Modal ---------- */
.modal-backdrop {
  position: fixed; inset: 0; background: rgba(8, 8, 14, 0.78);
  display: flex; align-items: center; justify-content: center; z-index: 50; padding: 20px;
  -webkit-backdrop-filter: blur(3px);
  backdrop-filter: blur(3px);
}
.modal {
  background: var(--panel); border: 1px solid var(--border); border-radius: 14px;
  padding: 26px; width: 360px; max-width: 100%; position: relative;
}
.modal-close {
  position: absolute; top: 12px; right: 14px; background: none; color: var(--muted); font-size: 22px; line-height: 1;
}
.modal-close:hover { color: var(--text); }
.modal h3 { font-size: 19px; }
.modal-tabs { display: flex; gap: 4px; background: var(--bg-alt); padding: 4px; border-radius: 8px; margin-bottom: 20px; }
.modal-tabs .tab { flex: 1; background: none; color: var(--muted); font-size: 13px; font-weight: 500; padding: 8px; }
.modal-tabs .tab.active { background: var(--panel-alt); color: var(--text); }
.modal label { display: block; font-size: 12px; color: var(--muted); margin-bottom: 12px; }
.modal input {
  width: 100%; margin-top: 6px; padding: 10px 12px; border-radius: 7px; border: 1px solid var(--border);
  background: var(--bg-alt); color: var(--text); font-size: 14px; font-family: inherit;
}
.modal .form-error {
  background: rgba(255, 84, 112, 0.1); border: 1px solid rgba(255, 84, 112, 0.35);
  color: #ffb0bd; font-size: 12px; padding: 9px 12px; border-radius: 6px; margin-bottom: 12px;
}
.modal-note { color: var(--muted); font-size: 12px; line-height: 1.6; margin: 14px 0 0; }
.modal-note code { background: var(--bg-alt); padding: 1px 5px; border-radius: 3px; font-size: 11px; }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--border-soft); background: var(--bg-alt); margin-top: 40px; }
.footer-inner {
  max-width: 1080px; margin: 0 auto; padding: 44px 24px 32px;
  display: grid; grid-template-columns: 2fr 1fr 1.4fr; gap: 40px;
}
.footer-col h4 {
  font-family: 'Inter', sans-serif; font-size: 11px; font-weight: 600; text-transform: uppercase;
  letter-spacing: 0.1em; color: var(--muted); margin: 0 0 12px;
}
.footer-col a {
  display: block; color: var(--text); text-decoration: none; font-size: 13px;
  margin-bottom: 9px; opacity: 0.75;
}
.footer-col a:hover { opacity: 1; color: var(--cyan); }
.brand-col .brand-word { font-size: 17px; }
.brand-col p { color: var(--muted); font-size: 13px; margin: 12px 0 0; max-width: 300px; line-height: 1.6; }
.footer-note { color: var(--muted); font-size: 12px; margin: 0; line-height: 1.6; }
.footer-bar {
  border-top: 1px solid var(--border-soft);
  max-width: 1080px; margin: 0 auto; padding: 18px 24px 26px;
  display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap;
  font-size: 12px; color: var(--muted);
}
.made-by { margin: 0; }
.made-by b {
  background: linear-gradient(90deg, var(--red), var(--amber));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  font-weight: 700;
}

/* ---------- Brand ---------- */
.brand-word { display: inline-flex; align-items: baseline; gap: 7px; }

/* ---------- Account menu ---------- */
.account { position: relative; }
.account-trigger {
  display: flex; align-items: center; gap: 9px;
  background: var(--panel); border: 1px solid var(--border); color: var(--text);
  padding: 5px 10px 5px 5px; border-radius: 22px; font-size: 13px; font-weight: 500;
}
.account-trigger:hover { border-color: var(--cyan); }
.avatar {
  width: 24px; height: 24px; border-radius: 50%; color: #0b0b12;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 12px; font-family: 'Space Grotesk', sans-serif;
}
.chevron { color: var(--muted); font-size: 10px; }
.account-menu {
  position: absolute; right: 0; top: calc(100% + 8px); width: 232px; z-index: 30;
  background: var(--panel); border: 1px solid var(--border); border-radius: 10px;
  padding: 6px; box-shadow: 0 14px 38px rgba(0, 0, 0, 0.5);
}
.account-head { padding: 10px 10px 12px; border-bottom: 1px solid var(--border-soft); margin-bottom: 6px; }
.account-name-lg { font-weight: 600; font-size: 14px; }
.account-sub { color: var(--muted); font-size: 11px; margin-top: 3px; word-break: break-all; }
.account-menu a, .account-menu button {
  display: block; width: 100%; text-align: left; background: none; border: none;
  color: var(--text); font-size: 13px; padding: 9px 10px; border-radius: 6px;
  text-decoration: none; font-family: inherit; cursor: pointer;
}
.account-menu a:hover, .account-menu button:hover { background: var(--panel-alt); }
.account-menu button { color: var(--red); }

/* ---------- Auth panel / 404 ---------- */
.container.narrow { max-width: 480px; }
.center-page { padding-top: 72px; text-align: center; }
.center-page .btn { margin-top: 18px; }
.big-code {
  font-family: 'Space Grotesk', sans-serif; font-size: 68px; font-weight: 700;
  color: var(--border); line-height: 1; margin-bottom: 8px;
}
.center-page h2 { font-size: 26px; margin-bottom: 8px; }
.muted-text { color: var(--muted); font-size: 14px; line-height: 1.6; margin: 0; }
.auth-panel {
  background: var(--panel); border: 1px solid var(--border); border-radius: 14px;
  padding: 28px; text-align: left;
}
.auth-panel h2 { font-size: 21px; margin-bottom: 8px; }
.auth-panel form { margin-top: 18px; }
.auth-panel label { display: block; font-size: 12px; color: var(--muted); margin-bottom: 12px; }
.auth-panel input {
  width: 100%; margin-top: 6px; padding: 10px 12px; border-radius: 7px; border: 1px solid var(--border);
  background: var(--bg-alt); color: var(--text); font-size: 14px; font-family: inherit;
}
.auth-panel .form-error {
  background: rgba(255, 84, 112, 0.1); border: 1px solid rgba(255, 84, 112, 0.35);
  color: #ffb0bd; font-size: 12px; padding: 9px 12px; border-radius: 6px; margin-bottom: 12px;
}
.link-btn.center { display: block; margin: 14px auto 0; text-align: center; }
.form-note {
  background: rgba(94, 234, 212, 0.08); border: 1px solid rgba(94, 234, 212, 0.28);
  color: #b8f2e6; font-size: 12px; padding: 9px 12px; border-radius: 6px; margin-bottom: 12px;
  line-height: 1.5;
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; padding-top: 36px; }
  .hero h1 { font-size: 34px; }
  .topbar { gap: 16px; flex-wrap: wrap; }
  .topbar nav { order: 3; width: 100%; }
  .nav-actions { margin-left: auto; }
}
@media (max-width: 760px) {
  .arena { grid-template-columns: 1fr; padding: 0 16px 30px; }
  .pane.left { border-radius: var(--radius) var(--radius) 0 0; border-right: 1px solid var(--border); border-bottom: none; }
  .pane.right { border-radius: 0; }
  .arena::before { top: -14px; }
  .hud { flex-direction: column; align-items: stretch; }
  .hud .metrics { justify-content: space-between; gap: 12px; }
  .hud .actions { justify-content: stretch; }
  .hud .actions .btn { flex: 1; justify-content: center; }
  .play-header { padding: 20px 16px 0; }
  .footer-inner { grid-template-columns: 1fr; gap: 28px; }
  .footer-bar { flex-direction: column; align-items: flex-start; gap: 8px; }
  .nav-xp { display: none; }
  .account-name { display: none; }
  .account-trigger { padding: 5px; }
}