/* ============ Олімп: темна грозова тема ============ */
:root {
  --bg: #0b0d1f;
  --bg2: #1a1340;
  --panel: rgba(16, 12, 40, 0.92);
  --line: rgba(246, 221, 138, 0.28);
  --gold: #f0cf6a;
  --gold-d: #b88a2a;
  --marble: #f3eee2;
  --ink: #ece9fb;
  --muted: #b5b0d6;
  --bolt: #9fe6ff;
  --danger: #ff8a8a;
  --serif: "Palatino Linotype", Palatino, "Book Antiqua", Georgia, serif;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --header-h: 56px;
  --safe-t: env(safe-area-inset-top, 0px);
  --safe-b: env(safe-area-inset-bottom, 0px);
  --safe-l: env(safe-area-inset-left, 0px);
  --safe-r: env(safe-area-inset-right, 0px);
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  min-height: 100dvh;
  font: 16px/1.6 var(--sans);
  color: var(--ink);
  background: radial-gradient(1200px 700px at 50% -10%, #2b1c5e 0%, var(--bg2) 38%, var(--bg) 100%) fixed;
  touch-action: manipulation; /* без зуму подвійним тапом */
  overflow-x: hidden;
}
a { color: var(--gold); }
a:hover { color: #fff3c4; }
img, svg, canvas { max-width: 100%; }
[hidden], .hidden { display: none !important; }

:focus-visible { outline: 3px solid var(--bolt); outline-offset: 2px; border-radius: 4px; }

.sr-only {
  position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.skip-link {
  position: absolute; left: 8px; top: -60px; z-index: 100;
  background: var(--gold); color: #20140a; padding: 8px 14px; border-radius: 8px; font-weight: 700;
}
.skip-link:focus { top: 8px; }

/* ============ Шапка ============ */
.site-header {
  position: relative; z-index: 5;
  height: calc(var(--header-h) + var(--safe-t));
  padding: var(--safe-t) calc(14px + var(--safe-r)) 0 calc(14px + var(--safe-l));
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  background: rgba(8, 6, 26, 0.85);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(6px);
}
.brand {
  display: inline-flex; align-items: center; gap: 8px; min-width: 0;
  font: 800 20px/1 var(--serif); color: var(--gold); text-decoration: none; letter-spacing: 0.02em;
}
.brand span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.brand-icon { flex: none; filter: drop-shadow(0 0 6px rgba(159, 230, 255, 0.7)); color: var(--bolt); }
.main-nav { display: flex; gap: 2px; flex: none; }
.main-nav a {
  color: var(--ink); text-decoration: none; padding: 10px 10px; border-radius: 8px;
  font-size: 14px; font-weight: 600; min-height: 44px; display: inline-flex; align-items: center;
}
.main-nav a:hover { background: rgba(255, 255, 255, 0.08); }
.main-nav a[aria-current="page"] { color: var(--gold); box-shadow: inset 0 -2px 0 var(--gold); border-radius: 8px 8px 0 0; }

/* ============ Кнопки ============ */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 44px; padding: 10px 20px; border-radius: 12px; border: 1px solid transparent;
  font: 700 16px/1.2 var(--sans); cursor: pointer; text-decoration: none; text-align: center;
  transition: transform 0.12s, filter 0.12s, background 0.12s;
}
.btn:active { transform: translateY(1px) scale(0.99); }
.btn-primary {
  color: #20140a; background: linear-gradient(180deg, #ffe89a, var(--gold) 55%, var(--gold-d));
  box-shadow: 0 4px 0 #7a5a16, 0 8px 20px rgba(240, 207, 106, 0.25);
}
.btn-primary:hover { filter: brightness(1.06); color: #20140a; }
.btn-big { width: 100%; font-size: 20px; padding: 14px 24px; font-family: var(--serif); letter-spacing: 0.04em; }
.btn-ghost { color: var(--gold); background: rgba(240, 207, 106, 0.08); border-color: var(--line); }
.btn-ghost:hover { background: rgba(240, 207, 106, 0.16); color: #fff3c4; }
.btn-chip {
  color: var(--ink); background: rgba(255, 255, 255, 0.07); border-color: rgba(255, 255, 255, 0.16);
  font-size: 14px; padding: 8px 14px; border-radius: 999px;
}
.btn-chip[aria-pressed="false"] { color: var(--muted); text-decoration: line-through; text-decoration-color: rgba(255,255,255,.35); }
.btn-chip:hover { background: rgba(255, 255, 255, 0.14); color: var(--ink); }

/* ============ Ігрова сцена ============ */
.stage {
  height: calc(100dvh - var(--header-h) - var(--safe-t));
  min-height: 540px;
  display: flex; flex-direction: column;
  padding: 0 calc(8px + var(--safe-r)) 0 calc(8px + var(--safe-l));
}
.hud {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px;
  max-width: 600px; width: 100%; margin: 8px auto 6px;
}
.hud-item {
  background: rgba(8, 6, 26, 0.7); border: 1px solid var(--line); border-radius: 10px;
  padding: 4px 8px; text-align: center; min-width: 0;
}
.hud-label { display: block; font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); }
.hud-item strong { display: block; font: 800 20px/1.2 var(--serif); color: var(--marble); font-variant-numeric: tabular-nums; white-space: nowrap; }
#hudCombo.on { color: var(--gold); text-shadow: 0 0 10px rgba(240, 207, 106, 0.7); }

.board {
  position: relative; flex: 1; min-height: 0;
  display: flex; align-items: center; justify-content: center;
  padding-bottom: var(--safe-b);
}
#game {
  display: block; touch-action: none; user-select: none; -webkit-user-select: none;
  -webkit-tap-highlight-color: transparent; cursor: crosshair;
  border-radius: 14px; box-shadow: 0 10px 40px rgba(0, 0, 0, 0.55), 0 0 0 1px var(--line);
}

.overlay {
  position: absolute; inset: 0; z-index: 3;
  display: flex; align-items: center; justify-content: center; padding: 10px;
  background: rgba(5, 4, 18, 0.55); overflow-y: auto;
}
.panel {
  width: min(420px, 100%); max-height: 100%; overflow-y: auto; margin: auto;
  background: var(--panel); border: 1px solid var(--line); border-radius: 18px;
  padding: 18px 18px 16px; text-align: center;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6), inset 0 1px 0 rgba(255, 255, 255, 0.08);
}
.panel h1 { margin: 2px 0 6px; font: 800 clamp(30px, 8vw, 40px)/1.05 var(--serif); color: var(--gold); text-shadow: 0 0 22px rgba(240, 207, 106, 0.35); overflow-wrap: anywhere; }
.panel h2 { margin: 2px 0 8px; font: 800 26px/1.15 var(--serif); color: var(--gold); }
.kicker { margin: 0; font-size: 12px; letter-spacing: 0.22em; text-transform: uppercase; color: var(--bolt); }
.lead { margin: 4px 0 14px; color: var(--muted); font-size: 15px; line-height: 1.45; }
.profile-text { margin: 12px 0 8px; font-size: 14px; color: var(--muted); line-height: 1.4; }
.row { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; margin: 10px 0; }
.best-row { display: flex; justify-content: space-between; align-items: baseline; padding: 8px 12px; margin-top: 6px; border-radius: 10px; background: rgba(255, 255, 255, 0.05); color: var(--muted); }
.best-row strong { font: 800 22px var(--serif); color: var(--marble); }
.mini-title { font: 700 13px var(--sans) !important; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted) !important; margin: 12px 0 4px !important; }
.scores { list-style: none; margin: 0; padding: 0; text-align: left; counter-reset: s; }
.scores li { counter-increment: s; display: flex; justify-content: space-between; gap: 10px; padding: 5px 4px; border-bottom: 1px solid rgba(255, 255, 255, 0.07); font-size: 15px; }
.scores li::before { content: counter(s) "."; color: var(--gold); width: 22px; flex: none; }
.scores li span { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.scores li.empty { display: block; color: var(--muted); font-size: 14px; border: 0; }
.scores li.empty::before { content: none; }
.big-score { margin: 4px 0; }
.big-score strong { display: block; font: 800 56px/1.1 var(--serif); color: var(--marble); text-shadow: 0 0 24px rgba(159, 230, 255, 0.4); }
.record { margin: 2px 0 6px; font: 800 20px var(--serif); color: var(--gold); }
.soft { margin: 10px 0 4px; padding: 10px; border: 1px dashed var(--line); border-radius: 12px; font-size: 14px; color: var(--muted); }
.soft p { margin: 0 0 8px; }

.toast {
  position: absolute; left: 50%; bottom: 14px; transform: translateX(-50%); z-index: 6;
  max-width: calc(100% - 24px); padding: 10px 16px; border-radius: 12px;
  background: var(--gold); color: #20140a; font-weight: 700; text-align: center;
}

/* ============ Діалог реєстрації ============ */
dialog {
  width: min(420px, calc(100% - 24px)); max-height: calc(100dvh - 24px); overflow-y: auto;
  padding: 0; border: 1px solid var(--line); border-radius: 18px;
  background: #130e32; color: var(--ink); box-shadow: 0 24px 80px rgba(0, 0, 0, 0.7);
}
dialog::backdrop { background: rgba(3, 2, 14, 0.78); backdrop-filter: blur(3px); }
dialog form { position: relative; padding: 22px 20px 18px; }
dialog h2 { margin: 0 32px 10px 0; font: 800 24px/1.15 var(--serif); color: var(--gold); }
.dlg-close {
  position: absolute; top: 8px; right: 8px; width: 44px; height: 44px; border-radius: 12px;
  border: 0; background: transparent; color: var(--ink); font-size: 30px; line-height: 1; cursor: pointer;
}
.dlg-close:hover { background: rgba(255, 255, 255, 0.1); }
.perks { margin: 0 0 14px; padding: 0; list-style: none; display: grid; gap: 6px; }
.perks li { padding: 6px 10px 6px 30px; border-radius: 8px; background: rgba(255, 255, 255, 0.05); position: relative; font-size: 15px; }
.perks li::before { content: "⚡"; position: absolute; left: 8px; top: 6px; }
label { display: block; font-weight: 700; margin: 8px 0 4px; }
input[type="text"] {
  width: 100%; min-height: 46px; padding: 10px 12px; font: 16px var(--sans);
  color: var(--ink); background: #0b0824; border: 1px solid rgba(255, 255, 255, 0.25); border-radius: 10px;
}
input[type="text"]:focus-visible { outline-offset: 0; border-color: var(--bolt); }
.check { display: flex; gap: 10px; align-items: flex-start; font-weight: 400; margin: 12px 0 4px; font-size: 14px; line-height: 1.4; }
.check input { width: 22px; height: 22px; flex: none; margin: 0; accent-color: var(--gold); }
.err { min-height: 1.2em; margin: 4px 0 0; color: var(--danger); font-size: 14px; }
.fine { margin: 12px 0 0; font-size: 12.5px; line-height: 1.45; color: var(--muted); }
dialog .btn-big { margin-top: 10px; }

/* ============ Текстові блоки ============ */
.wrap { width: min(920px, 100%); margin: 0 auto; padding: 0 calc(16px + var(--safe-r)) 0 calc(16px + var(--safe-l)); }
.about { padding: 44px 0 36px; border-top: 1px solid var(--line); background: rgba(8, 6, 26, 0.5); }
.about h2 { font: 800 28px/1.2 var(--serif); color: var(--gold); margin: 0 0 12px; }
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 12px; margin: 20px 0; }
.card { padding: 16px; border: 1px solid var(--line); border-radius: 14px; background: rgba(255, 255, 255, 0.04); }
.card h3 { margin: 0 0 6px; font: 800 18px var(--serif); color: var(--marble); }
.card p { margin: 0; color: var(--muted); font-size: 15px; }

.prose { padding-top: 28px; padding-bottom: 48px; }
.prose h1 { font: 800 clamp(28px, 6vw, 40px)/1.15 var(--serif); color: var(--gold); margin: 0 0 6px; }
.prose h2 { font: 800 22px/1.25 var(--serif); color: var(--marble); margin: 28px 0 8px; }
.prose p, .prose li { color: #dcd8f2; }
.prose ul { padding-left: 22px; }
.prose li { margin: 4px 0; }
.prose .meta { color: var(--muted); font-size: 14px; margin-top: 0; }
.prose kbd { padding: 1px 7px; border: 1px solid var(--line); border-bottom-width: 3px; border-radius: 6px; font: 600 14px var(--sans); background: rgba(255, 255, 255, 0.07); }
.prose code { padding: 2px 6px; border-radius: 6px; background: rgba(255, 255, 255, 0.08); font-size: 14px; overflow-wrap: anywhere; }
.prose table { width: 100%; border-collapse: collapse; margin: 12px 0; font-size: 15px; }
.prose th, .prose td { padding: 9px 12px; border: 1px solid rgba(255, 255, 255, 0.14); text-align: left; }
.prose thead th { background: rgba(240, 207, 106, 0.12); color: var(--gold); }
.prose tbody th { font-weight: 600; background: rgba(255, 255, 255, 0.03); }
.cta { margin-top: 28px; }

/* ============ Футер ============ */
.site-footer { background: #070519; border-top: 1px solid var(--line); padding: 28px 0 calc(24px + var(--safe-b)); color: var(--muted); font-size: 14px; }
.footer-inner { width: min(920px, 100%); margin: 0 auto; padding: 0 calc(16px + var(--safe-r)) 0 calc(16px + var(--safe-l)); display: grid; gap: 18px; }
.footer-nav { display: flex; flex-wrap: wrap; gap: 4px 6px; }
.footer-nav a { min-height: 44px; display: inline-flex; align-items: center; padding: 0 12px; border: 1px solid var(--line); border-radius: 999px; text-decoration: none; }
.dev-info h2 { margin: 0 0 8px; font: 800 16px var(--serif); color: var(--marble); }
.dev-info dl { margin: 0; display: grid; gap: 8px; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.dev-info dt { font-size: 12px; letter-spacing: 0.06em; text-transform: uppercase; color: #8f8ab4; }
.dev-info dd { margin: 0; color: var(--ink); overflow-wrap: anywhere; }
.footer-note { margin: 0; font-size: 13px; line-height: 1.5; color: #8f8ab4; }

/* ============ Адаптив ============ */
@media (max-width: 480px) {
  .main-nav a { padding: 10px 7px; font-size: 13px; }
  .brand { font-size: 17px; }
  .hud-item strong { font-size: 17px; }
  .hud-label { font-size: 10px; }
}
@media (max-width: 360px) {
  .main-nav a:nth-child(3), .main-nav a:nth-child(4) { display: none; } /* Privacy/Terms є у футері */
}
@media (max-height: 640px) {
  .panel { padding: 12px; }
  .panel .lead, .panel .mini-title, .panel .scores { display: none; }
  .big-score strong { font-size: 40px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}