/* MNEMO games - shared stylesheet */

:root {
  --paper: #f5f1e8;
  --paper-deep: #ece6d6;
  --ink: #0e0e0d;
  --ink-soft: #2a2825;
  --ink-mute: #6b6b6b;
  --rule: rgba(14,14,13,0.12);
  --vermillion: #c8401f;
  --gold: #b8924a;
  --serif: 'Cormorant Garamond', Georgia, serif;
  --sans: 'Inter', system-ui, sans-serif;
  --mono: 'JetBrains Mono', Menlo, monospace;
  --ease: cubic-bezier(0.65, 0, 0.35, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

[data-theme="dark"] {
  --paper: #0e0e0d;
  --paper-deep: #1a1816;
  --ink: #f5f1e8;
  --ink-soft: #d4cfc1;
  --ink-mute: #8a8680;
  --rule: rgba(245,241,232,0.15);
  --vermillion: #e84e2c;
  --gold: #d4ad64;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
body {
  font-family: var(--sans);
  background: var(--paper);
  color: var(--ink);
  font-size: 16px;
  line-height: 1.6;
  min-height: 100vh;
  transition: background 0.5s var(--ease), color 0.5s var(--ease);
}
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: 0; background: transparent; color: inherit; }
input { font-family: inherit; }

.container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 36px;
}

/* TOPBAR ============================== */

.game-topbar {
  position: sticky;
  top: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 36px;
  background: color-mix(in srgb, var(--paper) 92%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--rule);
  z-index: 50;
}
.back-link {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-mute);
  transition: color 0.2s;
}
.back-link:hover { color: var(--vermillion); }

.game-brand {
  font-family: var(--serif);
  font-size: 20px;
  font-weight: 600;
  letter-spacing: 0.06em;
}
.game-brand em { color: var(--vermillion); font-style: italic; font-weight: 500; }

.g-controls { display: flex; gap: 10px; align-items: center; }
.lang-toggle {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  padding: 6px 10px;
  border: 1px solid var(--rule);
}
.lang-toggle .lang-pl,
.lang-toggle .lang-en { transition: opacity 0.2s, color 0.2s; }
[data-lang="pl"] .lang-pl { color: var(--vermillion); font-weight: 700; }
[data-lang="pl"] .lang-en { opacity: 0.4; }
[data-lang="en"] .lang-en { color: var(--vermillion); font-weight: 700; }
[data-lang="en"] .lang-pl { opacity: 0.4; }
.lang-sep { padding: 0 4px; opacity: 0.4; }
.theme-toggle {
  width: 32px; height: 32px;
  border: 1px solid var(--rule);
  font-size: 16px;
  display: grid; place-items: center;
}

@media (max-width: 600px) {
  .game-topbar { padding: 14px 22px; }
  .container { padding: 0 22px; }
}

/* MENU =============================== */

.game-menu { padding: 80px 0 120px; }

.menu-title {
  font-family: var(--serif);
  font-size: clamp(36px, 6vw, 72px);
  font-weight: 500;
  line-height: 1;
  letter-spacing: -0.02em;
  margin-bottom: 18px;
  max-width: 800px;
}
.menu-lead {
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(16px, 1.6vw, 19px);
  color: var(--ink-mute);
  max-width: 700px;
  margin-bottom: 60px;
  line-height: 1.5;
}

.game-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-bottom: 80px;
}

.game-card {
  display: grid;
  grid-template-columns: 200px 1fr;
  background: var(--paper-deep);
  border: 1px solid var(--ink);
  overflow: hidden;
  transition: all 0.3s var(--ease);
  min-height: 220px;
}
.game-card:hover {
  background: var(--ink);
  color: var(--paper);
  transform: translateY(-3px);
}
.game-card:hover .card-num { color: var(--vermillion); }
.game-card:hover .card-meta { color: var(--gold); }
.game-card:hover .card-board { opacity: 1; }

.card-board {
  background-image:
    linear-gradient(45deg, var(--ink) 25%, transparent 25%, transparent 75%, var(--ink) 75%),
    linear-gradient(45deg, var(--ink) 25%, transparent 25%, transparent 75%, var(--ink) 75%);
  background-size: 30px 30px;
  background-position: 0 0, 15px 15px;
  background-color: var(--paper);
  opacity: 0.85;
  transition: opacity 0.3s;
}
.game-card:hover .card-board {
  background-image:
    linear-gradient(45deg, var(--vermillion) 25%, transparent 25%, transparent 75%, var(--vermillion) 75%),
    linear-gradient(45deg, var(--vermillion) 25%, transparent 25%, transparent 75%, var(--vermillion) 75%);
}

/* Special Bruno wheel card */
.game-card-bruno .card-board-bruno {
  background:
    radial-gradient(circle at center, var(--vermillion) 0%, transparent 30%),
    repeating-radial-gradient(circle at center, transparent 0, transparent 12px, var(--ink) 12px, var(--ink) 13px),
    var(--paper);
  opacity: 0.95;
}
.game-card-bruno:hover .card-board-bruno {
  background:
    radial-gradient(circle at center, var(--gold) 0%, transparent 40%),
    repeating-radial-gradient(circle at center, transparent 0, transparent 12px, var(--vermillion) 12px, var(--vermillion) 13px),
    var(--ink);
}

/* PAO board */
.card-board-7 {
  background:
    repeating-linear-gradient(0deg, transparent 0, transparent 18px, var(--ink) 18px, var(--ink) 19px),
    repeating-linear-gradient(90deg, transparent 0, transparent 18px, var(--ink) 18px, var(--ink) 19px),
    var(--paper);
  opacity: 0.85;
}
.game-card:hover .card-board-7 {
  background:
    repeating-linear-gradient(0deg, transparent 0, transparent 18px, var(--vermillion) 18px, var(--vermillion) 19px),
    repeating-linear-gradient(90deg, transparent 0, transparent 18px, var(--vermillion) 18px, var(--vermillion) 19px),
    var(--paper);
}

/* Pi board */
.card-board-8 {
  background:
    radial-gradient(circle at 30% 30%, var(--ink) 2px, transparent 2px),
    radial-gradient(circle at 70% 70%, var(--ink) 2px, transparent 2px),
    radial-gradient(circle at 30% 70%, var(--ink) 1.5px, transparent 1.5px),
    radial-gradient(circle at 70% 30%, var(--ink) 1.5px, transparent 1.5px),
    var(--paper);
  background-size: 22px 22px;
  opacity: 0.85;
}
.game-card:hover .card-board-8 {
  background:
    radial-gradient(circle at 30% 30%, var(--vermillion) 2px, transparent 2px),
    radial-gradient(circle at 70% 70%, var(--vermillion) 2px, transparent 2px),
    radial-gradient(circle at 30% 70%, var(--vermillion) 1.5px, transparent 1.5px),
    radial-gradient(circle at 70% 30%, var(--vermillion) 1.5px, transparent 1.5px),
    var(--paper);
  background-size: 22px 22px;
}

/* Faces board */
.card-board-9 {
  background:
    radial-gradient(circle at 50% 50%, var(--ink) 3px, transparent 3px),
    radial-gradient(circle at 30% 40%, var(--ink) 1px, transparent 1px),
    radial-gradient(circle at 70% 40%, var(--ink) 1px, transparent 1px),
    var(--paper);
  background-size: 36px 36px;
  opacity: 0.85;
}
.game-card:hover .card-board-9 {
  background:
    radial-gradient(circle at 50% 50%, var(--vermillion) 3px, transparent 3px),
    radial-gradient(circle at 30% 40%, var(--vermillion) 1px, transparent 1px),
    radial-gradient(circle at 70% 40%, var(--vermillion) 1px, transparent 1px),
    var(--paper);
  background-size: 36px 36px;
}

.card-content {
  padding: 30px 32px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 16px;
}
.card-num {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--vermillion);
}
.card-content h2 {
  font-family: var(--serif);
  font-size: 32px;
  font-weight: 500;
  line-height: 1.05;
  letter-spacing: -0.01em;
}
.card-content p {
  font-size: 14px;
  line-height: 1.55;
  color: var(--ink-mute);
  flex: 1;
}
.game-card:hover .card-content p { color: color-mix(in srgb, var(--paper) 80%, transparent); }
.card-meta {
  display: flex;
  gap: 16px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-mute);
}

@media (max-width: 800px) {
  .game-list { grid-template-columns: 1fr; }
  .game-card { grid-template-columns: 100px 1fr; min-height: 160px; }
}

.menu-tip {
  border-top: 1px solid var(--rule);
  padding-top: 30px;
  max-width: 700px;
}
.menu-tip h3 {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--vermillion);
  margin-bottom: 8px;
}
.menu-tip p {
  font-family: var(--serif);
  font-style: italic;
  font-size: 18px;
  color: var(--ink-soft);
  line-height: 1.5;
}

/* GAME COMMON ============================== */

.game-page { padding: 60px 0 100px; }

.game-header {
  margin-bottom: 40px;
  padding-bottom: 30px;
  border-bottom: 1px solid var(--rule);
}
.game-eyebrow {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--vermillion);
  margin-bottom: 10px;
}
.game-title {
  font-family: var(--serif);
  font-size: clamp(36px, 5vw, 64px);
  font-weight: 500;
  line-height: 1;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}
.game-instructions {
  font-family: var(--serif);
  font-style: italic;
  color: var(--ink-mute);
  font-size: 18px;
  max-width: 700px;
}

.game-controls {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: center;
  margin-bottom: 30px;
}
.btn {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 10px 18px;
  border: 1px solid var(--ink);
  transition: all 0.25s var(--ease);
  background: transparent;
  color: var(--ink);
}
.btn:hover { background: var(--ink); color: var(--paper); }
.btn.primary { background: var(--ink); color: var(--paper); }
.btn.primary:hover { background: var(--vermillion); border-color: var(--vermillion); }
.btn.danger { border-color: var(--vermillion); color: var(--vermillion); }
.btn.danger:hover { background: var(--vermillion); color: var(--paper); }
.btn:disabled { opacity: 0.4; cursor: not-allowed; }

.select {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  padding: 10px 14px;
  border: 1px solid var(--ink);
  background: var(--paper);
  color: var(--ink);
  text-transform: uppercase;
}

.stats-bar {
  display: flex;
  gap: 30px;
  flex-wrap: wrap;
  padding: 20px 24px;
  background: var(--paper-deep);
  border: 1px solid var(--rule);
  margin-bottom: 30px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.1em;
}
.stat-item {
  display: flex;
  align-items: baseline;
  gap: 8px;
}
.stat-item .label { color: var(--ink-mute); text-transform: uppercase; font-size: 10px; }
.stat-item .val { font-family: var(--serif); font-size: 22px; font-weight: 500; }

.message {
  padding: 14px 18px;
  border-left: 3px solid var(--vermillion);
  background: var(--paper-deep);
  font-family: var(--serif);
  font-style: italic;
  font-size: 16px;
  margin-bottom: 24px;
  min-height: 50px;
}
.message.success { border-color: #2d8a3e; }
.message.error { border-color: var(--vermillion); }

/* MEMORY MATCH ============================== */

.match-board {
  display: grid;
  gap: 10px;
  margin: 0 auto;
  max-width: 760px;
}
.match-board[data-cols="4"] { grid-template-columns: repeat(4, 1fr); }
.match-board[data-cols="6"] { grid-template-columns: repeat(6, 1fr); }
.match-board[data-cols="8"] { grid-template-columns: repeat(8, 1fr); }

.tile {
  aspect-ratio: 1;
  border: 1.5px solid var(--ink);
  background: var(--paper);
  display: grid;
  place-items: center;
  font-family: var(--serif);
  font-size: clamp(24px, 4vw, 40px);
  cursor: pointer;
  transition: all 0.4s var(--ease);
  perspective: 800px;
  transform-style: preserve-3d;
  position: relative;
}
.tile-inner {
  position: absolute;
  inset: 0;
  transform-style: preserve-3d;
  transition: transform 0.5s var(--ease);
}
.tile.flipped .tile-inner { transform: rotateY(180deg); }
.tile-face {
  position: absolute; inset: 0;
  backface-visibility: hidden;
  display: grid; place-items: center;
}
.tile-back {
  background:
    linear-gradient(45deg, var(--ink) 25%, transparent 25%),
    linear-gradient(-45deg, var(--ink) 25%, transparent 25%),
    var(--paper);
  background-size: 14px 14px;
}
.tile-front { background: var(--paper); transform: rotateY(180deg); color: var(--vermillion); }
.tile.matched .tile-inner { transform: rotateY(180deg); }
.tile.matched { border-color: var(--gold); }
.tile.matched .tile-front { color: var(--gold); }

/* MEMORY PALACE ============================== */

.palace-board {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0;
  margin: 0 auto;
  max-width: 600px;
  border: 1.5px solid var(--ink);
}
.palace-cell {
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  font-family: var(--serif);
  font-size: clamp(24px, 4vw, 36px);
  background: var(--paper);
  border-right: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
  cursor: pointer;
  transition: all 0.25s var(--ease);
  position: relative;
}
.palace-cell:nth-child(odd) { background: var(--paper-deep); }
/* offset every other row */
.palace-board > .palace-cell:nth-child(10n+6),
.palace-board > .palace-cell:nth-child(10n+7),
.palace-board > .palace-cell:nth-child(10n+8),
.palace-board > .palace-cell:nth-child(10n+9),
.palace-board > .palace-cell:nth-child(10n+10) {
  background: var(--paper);
}
.palace-board > .palace-cell:nth-child(10n+6),
.palace-board > .palace-cell:nth-child(10n+8),
.palace-board > .palace-cell:nth-child(10n+10) {
  background: var(--paper-deep);
}
.palace-cell.symbol { color: var(--vermillion); }
.palace-cell.highlight { background: var(--gold); color: var(--paper); }
.palace-cell.correct { background: #2d8a3e; color: var(--paper); }
.palace-cell.wrong { background: var(--vermillion); color: var(--paper); }
.palace-cell:nth-child(5n) { border-right: 0; }
.palace-board > .palace-cell:nth-last-child(-n+5) { border-bottom: 0; }
.palace-cell .pos {
  position: absolute;
  top: 4px; left: 6px;
  font-family: var(--mono);
  font-size: 9px;
  color: var(--ink-mute);
}

.palace-symbols {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 24px 0;
  justify-content: center;
}
.palace-sym {
  font-family: var(--serif);
  font-size: 26px;
  width: 56px; height: 56px;
  display: grid; place-items: center;
  border: 1px solid var(--ink);
  background: var(--paper);
  cursor: pointer;
  transition: all 0.2s var(--ease);
}
.palace-sym:hover { background: var(--vermillion); color: var(--paper); border-color: var(--vermillion); }
.palace-sym.used { opacity: 0.3; pointer-events: none; }

/* NUMBERS / MAJOR ============================== */

.trainer {
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
}
.prompt-card {
  border: 1.5px solid var(--ink);
  background: var(--paper-deep);
  padding: 70px 40px;
  margin-bottom: 30px;
  position: relative;
  overflow: hidden;
}
.prompt-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(45deg, var(--rule) 25%, transparent 25%),
    linear-gradient(-45deg, var(--rule) 25%, transparent 25%);
  background-size: 32px 32px;
  background-position: 0 0, 16px 16px;
  pointer-events: none;
  opacity: 0.5;
}
.prompt-card > * { position: relative; z-index: 1; }

.prompt-label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--vermillion);
  margin-bottom: 16px;
}
.prompt-value {
  font-family: var(--serif);
  font-size: clamp(70px, 14vw, 160px);
  line-height: 1;
  font-weight: 500;
  color: var(--ink);
}

.answer-input {
  width: 100%;
  font-family: var(--serif);
  font-size: 32px;
  text-align: center;
  padding: 20px;
  border: 1.5px solid var(--ink);
  background: var(--paper);
  color: var(--ink);
  margin-bottom: 20px;
  outline: none;
  transition: border-color 0.2s;
}
.answer-input:focus { border-color: var(--vermillion); }

.answer-options {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-bottom: 20px;
}
.answer-option {
  padding: 24px;
  font-family: var(--serif);
  font-size: 26px;
  border: 1.5px solid var(--ink);
  background: var(--paper);
  transition: all 0.2s var(--ease);
}
.answer-option:hover { background: var(--ink); color: var(--paper); }
.answer-option.correct { background: #2d8a3e; color: var(--paper); border-color: #2d8a3e; }
.answer-option.wrong { background: var(--vermillion); color: var(--paper); border-color: var(--vermillion); }

.major-table {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0;
  margin-top: 30px;
  border-top: 1px solid var(--rule);
  border-left: 1px solid var(--rule);
  font-family: var(--mono);
  font-size: 12px;
}
.major-cell {
  padding: 14px;
  border-right: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  text-align: center;
}
.major-cell .digit {
  font-family: var(--serif);
  font-size: 26px;
  color: var(--vermillion);
  margin-bottom: 4px;
}
.major-cell .cons {
  letter-spacing: 0.15em;
}

/* CHAIN ============================== */

.chain-words {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 30px 0;
  justify-content: center;
}
.chain-word {
  font-family: var(--serif);
  font-size: clamp(22px, 3vw, 36px);
  padding: 14px 22px;
  border: 1.5px solid var(--ink);
  background: var(--paper);
  position: relative;
}
.chain-word::after {
  content: '→';
  position: absolute;
  right: -18px; top: 50%;
  transform: translateY(-50%);
  font-size: 20px;
  color: var(--vermillion);
}
.chain-word:last-child::after { display: none; }

.chain-input {
  width: 100%;
  font-family: var(--serif);
  font-size: 18px;
  line-height: 1.6;
  padding: 20px;
  border: 1.5px solid var(--ink);
  background: var(--paper);
  color: var(--ink);
  min-height: 160px;
  resize: vertical;
  outline: none;
  margin-bottom: 20px;
}
.chain-input:focus { border-color: var(--vermillion); }

.chain-recall {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 10px;
  margin: 24px 0;
}
.recall-input {
  font-family: var(--serif);
  font-size: 18px;
  text-align: center;
  padding: 14px;
  border: 1.5px solid var(--ink);
  background: var(--paper);
  color: var(--ink);
  outline: none;
}
.recall-input:focus { border-color: var(--vermillion); }
.recall-input.correct { background: #d4ebd6; border-color: #2d8a3e; }
.recall-input.wrong { background: #f3d6cb; border-color: var(--vermillion); }

@media (max-width: 700px) {
  .chain-recall { grid-template-columns: repeat(2, 1fr); }
  .answer-options { grid-template-columns: 1fr; }
  .major-table { grid-template-columns: repeat(2, 1fr); }
}

/* TIMER PROGRESS BAR ===================== */
.timer-bar {
  height: 4px;
  background: var(--rule);
  margin-bottom: 20px;
  overflow: hidden;
}
.timer-fill {
  height: 100%;
  background: var(--vermillion);
  width: 100%;
  transition: width 0.1s linear;
}

/* RESULT STATES ===================== */
.result-card {
  border: 1.5px solid var(--ink);
  padding: 40px;
  margin: 30px 0;
  background: var(--paper-deep);
  text-align: center;
}
.result-title {
  font-family: var(--serif);
  font-size: 42px;
  font-weight: 500;
  margin-bottom: 12px;
  color: var(--vermillion);
}
.result-stats {
  display: flex;
  justify-content: center;
  gap: 40px;
  flex-wrap: wrap;
  margin-top: 24px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.1em;
}

/* SELECTION ============================== */
::selection { background: var(--vermillion); color: var(--paper); }