/* Quardle — cross-grid layout v1.1.0 */
:root {
  --font: "Segoe UI", system-ui, -apple-system, Roboto, sans-serif;
  --bg: #FFFFFF;
  --surface: #FFFFFF;
  --border: #E5E5E5;
  --border-strong: #D1D5DB;
  --text: #1A1A1A;
  --text-muted: #6B7280;
  --accent: #3B82F6;
  --accent-soft: #DBEAFE;
  --tab-idle: #374151;
  --tile-correct: #538D4E;
  --tile-present: #B59F3B;
  --tile-absent: #787C7E;
  --tile-empty: #FFFFFF;
  --tile-border: #D3D6DA;
  --tile-text: #FFFFFF;
  --key-bg: #818384;
  --key-text: #FFFFFF;
  --pad-x: clamp(1rem, 4vw, 2rem);
  --pad-y: clamp(0.75rem, 3vw, 1.25rem);
  --cell: clamp(2.1rem, 8vw, 2.65rem);
  --sidebar-cell: clamp(1.55rem, 5.5vw, 1.85rem);
  --gap: 5px;
  --radius: 6px;
}

[data-theme="dark"] {
  --bg: #121213;
  --surface: #121213;
  --border: #3A3A3C;
  --border-strong: #565658;
  --text: #F8F8F8;
  --text-muted: #A0A0A5;
  --tile-empty: #121213;
  --tile-border: #565658;
  --tab-idle: #818384;
}

[data-contrast="high"] {
  --tile-correct: #E8742C;
  --tile-present: #4A8DF0;
}

[data-motion="reduce"] * {
  animation-duration: 0.01ms !important;
  transition-duration: 0.01ms !important;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  touch-action: manipulation;
}

button { font-family: inherit; cursor: pointer; border: none; background: none; -webkit-tap-highlight-color: transparent; }

.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 9999;
  padding: 0.5rem 1rem; background: var(--accent); color: #fff;
}
.skip-link:focus { left: 0; }

/* Header — matches competitor */
.app-header {
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}
html.is-embedded .app-header { position: relative; }

.header-inner {
  max-width: 640px;
  margin: 0 auto;
  padding: 0.85rem var(--pad-x);
  display: grid;
  grid-template-columns: 40px 1fr 80px;
  align-items: center;
  gap: 0.5rem;
}

.icon-btn {
  width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center;
  color: var(--text);
  border-radius: 50%;
}
.icon-btn:hover { background: #F3F4F6; }
[data-theme="dark"] .icon-btn:hover { background: #2A2A2C; }
.icon-btn svg { width: 22px; height: 22px; fill: currentColor; }
.icon-btn--info {
  background: #1A1A1A;
  color: #fff;
}
.icon-btn--info:hover { background: #333; }
[data-theme="dark"] .icon-btn--info { background: #F8F8F8; color: #121213; }
.icon-btn--info svg circle { fill: none; stroke: currentColor; stroke-width: 2; }
.icon-btn--info svg text { fill: currentColor; }

.title-block { text-align: center; }
.puzzle-num {
  display: block;
  font-size: 0.72rem;
  color: var(--text-muted);
  font-weight: 600;
  margin-bottom: 0.1rem;
}
.game-title {
  margin: 0;
  font-size: 1.65rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1;
}

.header-actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.15rem;
}

/* Main play area */
.main {
  flex: 1;
  max-width: 640px;
  width: 100%;
  margin: 0 auto;
  padding: var(--pad-y) var(--pad-x) calc(var(--pad-y) + env(safe-area-inset-bottom));
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.play-area {
  display: flex;
  gap: 0;
  align-items: flex-start;
  justify-content: center;
  min-height: 280px;
}

.cross-panel {
  flex: 1;
  display: flex;
  justify-content: center;
  padding: 0.25rem 0.75rem 0.25rem 1.35rem;
}

.cross-grid {
  display: grid;
  grid-template-columns: repeat(5, var(--cell));
  grid-template-rows: repeat(5, var(--cell));
  gap: var(--gap);
}

.cross-cell {
  width: var(--cell);
  height: var(--cell);
  border: 2px solid var(--tile-border);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: clamp(1rem, 4vw, 1.35rem);
  font-weight: 800;
  text-transform: uppercase;
  background: var(--tile-empty);
  color: var(--text);
  position: relative;
}
.cross-cell.is-empty { visibility: hidden; border-color: transparent; }
.cross-cell.is-filled { border-color: var(--border-strong); }
.cross-cell.is-correct { background: var(--tile-correct); border-color: var(--tile-correct); color: var(--tile-text); }
.cross-cell.is-present { background: var(--tile-present); border-color: var(--tile-present); color: var(--tile-text); }
.cross-cell.is-absent { background: var(--tile-absent); border-color: var(--tile-absent); color: var(--tile-text); }
.cross-cell.is-active-word { box-shadow: inset 0 0 0 2px var(--accent); }

.word-label {
  position: absolute;
  left: -1.15rem;
  top: 50%;
  transform: translateY(-50%);
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--text-muted);
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 0.15rem;
}
.word-label::after { content: '|'; opacity: 0.5; }

/* Guess sidebar */
.guess-sidebar {
  width: clamp(110px, 32vw, 150px);
  border-left: 1px solid var(--border);
  padding-left: 0.65rem;
  flex-shrink: 0;
}

.guess-history {
  display: flex;
  flex-direction: column;
  gap: var(--gap);
}

.guess-row {
  display: grid;
  grid-template-columns: auto repeat(5, var(--sidebar-cell));
  gap: 3px;
  align-items: center;
}
.guess-row.is-current .sidebar-tile { border-color: var(--accent); }

.guess-row-label {
  font-size: 0.65rem;
  font-weight: 700;
  color: var(--text-muted);
  width: 1.15rem;
  text-align: right;
  padding-right: 1px;
}
.guess-row-label::after {
  content: '|';
  margin-left: 2px;
  opacity: 0.45;
  font-weight: 400;
}

.sidebar-tile {
  width: var(--sidebar-cell);
  height: var(--sidebar-cell);
  border: 2px solid var(--tile-border);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.72rem;
  font-weight: 800;
  text-transform: uppercase;
  background: var(--tile-empty);
  color: var(--text);
}
.sidebar-tile.is-filled { border-color: var(--border-strong); }
.sidebar-tile.is-correct { background: var(--tile-correct); border-color: var(--tile-correct); color: var(--tile-text); }
.sidebar-tile.is-present { background: var(--tile-present); border-color: var(--tile-present); color: var(--tile-text); }
.sidebar-tile.is-absent { background: var(--tile-absent); border-color: var(--tile-absent); color: var(--tile-text); }
.sidebar-tile.is-empty { background: transparent; }

/* Word tabs */
.word-tabs {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.25rem 0;
}

.word-tab {
  min-width: clamp(3.5rem, 18vw, 4.5rem);
  height: 2.75rem;
  border-radius: var(--radius);
  font-size: 1.15rem;
  font-weight: 800;
  color: #fff;
  background: var(--tab-idle);
  transition: background 0.15s, transform 0.1s;
}
.word-tab.is-active {
  background: var(--accent);
  box-shadow: 0 2px 8px rgba(59, 130, 246, 0.35);
}
.word-tab.is-solved { opacity: 0.55; }
.word-tab.is-solved.is-active { opacity: 1; }

/* Keyboard */
.keyboard-wrap {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding-top: 0.25rem;
}
.kb-row { display: flex; justify-content: center; gap: 5px; }

.key {
  min-width: clamp(1.7rem, 7.5vw, 2.15rem);
  height: clamp(3rem, 12vw, 3.5rem);
  padding: 0 0.35rem;
  border-radius: var(--radius);
  background: var(--key-bg);
  color: var(--key-text);
  font-weight: 700;
  font-size: clamp(0.78rem, 3vw, 0.9rem);
  display: flex;
  align-items: center;
  justify-content: center;
}
.key--wide { min-width: clamp(2.8rem, 13vw, 4rem); font-size: 0.72rem; }
.key.is-correct { background: var(--tile-correct); }
.key.is-present { background: var(--tile-present); }
.key.is-absent { background: var(--tile-absent); opacity: 0.85; }
.key svg { width: 18px; height: 18px; fill: currentColor; }

/* Modals */
.modal-backdrop {
  position: fixed; inset: 0; z-index: 100;
  background: rgba(0,0,0,0.45);
  display: flex; align-items: center; justify-content: center;
  padding: var(--pad-x);
}
.modal-backdrop[hidden] { display: none !important; }

.modal {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.35rem 1.5rem;
  max-width: 400px; width: 100%;
  max-height: 90vh; overflow-y: auto;
}
.modal--wide { max-width: 440px; }
.modal h2 { margin: 0 0 0.75rem; font-size: 1.15rem; }
.modal-list { margin: 0 0 1rem; padding-left: 1.2rem; font-size: 0.9rem; line-height: 1.55; }

.chip {
  display: inline-block; padding: 0.1rem 0.4rem; border-radius: 4px;
  font-size: 0.75rem; font-weight: 700; color: #fff;
}
.chip--correct { background: var(--tile-correct); }
.chip--present { background: var(--tile-present); }
.chip--absent { background: var(--tile-absent); }

.stats-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 0.5rem;
  margin-bottom: 1rem; text-align: center;
}
.stat-box { background: #F3F4F6; border-radius: 8px; padding: 0.65rem 0.35rem; }
[data-theme="dark"] .stat-box { background: #2A2A2C; }
.stat-box strong { display: block; font-size: 1.35rem; color: var(--accent); }
.stat-box span { font-size: 0.65rem; color: var(--text-muted); text-transform: uppercase; }

.settings-list { display: flex; flex-direction: column; gap: 0.35rem; margin-bottom: 1rem; }
.setting-row {
  display: flex; align-items: center; justify-content: space-between;
  padding: 0.65rem 0.75rem; border-radius: 8px; background: #F3F4F6;
  font-size: 0.9rem;
}
[data-theme="dark"] .setting-row { background: #2A2A2C; }
.toggle { width: 42px; height: 24px; border-radius: 999px; background: var(--border-strong); position: relative; }
.setting-row[aria-pressed="true"] .toggle { background: var(--accent); }
.setting-row[aria-pressed="true"] .toggle::after {
  content: ''; position: absolute; top: 3px; right: 3px;
  width: 18px; height: 18px; border-radius: 50%; background: #fff;
}
.setting-row[aria-pressed="false"] .toggle::after {
  content: ''; position: absolute; top: 3px; left: 3px;
  width: 18px; height: 18px; border-radius: 50%; background: #fff;
}

.result-summary { margin: 0 0 0.75rem; font-size: 0.92rem; color: var(--text-muted); }
.result-words { display: grid; grid-template-columns: 1fr 1fr; gap: 0.45rem; margin-bottom: 1rem; }
.result-word {
  display: flex; align-items: center; gap: 0.4rem;
  padding: 0.45rem 0.55rem; border-radius: 6px;
  font-weight: 800; font-size: 0.85rem; letter-spacing: 0.05em;
  background: #F3F4F6;
}
[data-theme="dark"] .result-word { background: #2A2A2C; }
.result-word.is-solved { color: var(--tile-correct); }
.result-word.is-missed { color: #EF4444; }
.rw-num { font-size: 0.65rem; opacity: 0.7; }

.modal-actions { display: flex; gap: 0.5rem; }
.btn {
  flex: 1; padding: 0.65rem 1rem; border-radius: 999px;
  font-weight: 700; font-size: 0.88rem;
  background: #F3F4F6; color: var(--text); border: 1px solid var(--border);
}
.btn-primary { background: var(--accent); color: #fff; border-color: var(--accent); }

.toast {
  position: fixed; bottom: calc(1rem + env(safe-area-inset-bottom)); left: 50%;
  transform: translateX(-50%) translateY(120%);
  background: var(--text); color: var(--surface);
  padding: 0.55rem 1rem; border-radius: 999px;
  font-size: 0.85rem; font-weight: 600; z-index: 200;
  transition: transform 0.25s ease;
}
.toast.is-show { transform: translateX(-50%) translateY(0); }

.confetti { position: fixed; inset: 0; pointer-events: none; z-index: 150; display: none; }
.confetti.is-active { display: block; }

.tile-row.is-shake { animation: shake 0.45s ease; }
@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20% { transform: translateX(-4px); }
  40% { transform: translateX(4px); }
  60% { transform: translateX(-3px); }
  80% { transform: translateX(3px); }
}

@media (max-width: 480px) {
  .play-area { flex-direction: column; align-items: center; }
  .cross-panel { padding-right: 0; width: 100%; }
  .guess-sidebar {
    width: 100%; border-left: none; border-top: 1px solid var(--border);
    padding-left: 0; padding-top: 0.75rem;
  }
  .word-label { left: -1rem; }
}