/* ===== DESIGN TOKENS ===== */
:root {
  --font-display: 'Playfair Display', Georgia, serif;
  --font-body: 'DM Sans', 'Helvetica Neue', sans-serif;

  --color-bg: #0e0c1a;
  --color-surface: #16132a;
  --color-surface-2: #1e1a36;
  --color-border: #2e2850;
  --color-text: #ede8ff;
  --color-text-muted: #9990c0;
  --color-text-faint: #554f7a;

  --color-gold: #e8a045;
  --color-gold-dim: #a06820;
  --color-crimson: #c0392b;
  --color-teal: #16a085;
  --color-blue: #2980b9;
  --color-purple: #8e44ad;
  --color-orange: #d35400;
  --color-green: #27ae60;

  --color-exclusion: #c0392b;
  --color-limitation: #e67e22;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  --transition: 180ms cubic-bezier(0.16, 1, 0.3, 1);

  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;
}

/* ===== BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; }
body {
  font-family: var(--font-body);
  background: var(--color-bg);
  color: var(--color-text);
  min-height: 100dvh;
  overflow: hidden;
}
button { cursor: pointer; border: none; font: inherit; }

/* ===== SCREENS ===== */
.screen { display: none; position: fixed; inset: 0; }
.screen.active { display: flex; }

/* ===== TITLE SCREEN ===== */
#title-screen {
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: radial-gradient(ellipse at 50% 30%, #1e1040 0%, #0e0c1a 70%);
  overflow: hidden;
}
.title-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 80%, rgba(192,57,43,0.15) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(22,160,133,0.12) 0%, transparent 50%),
    radial-gradient(circle at 60% 70%, rgba(41,128,185,0.1) 0%, transparent 50%);
  pointer-events: none;
}
.title-content {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
}
.logo-wrap { margin-bottom: var(--space-2); }
.logo-icon { width: 90px; height: 90px; filter: drop-shadow(0 0 20px rgba(232,160,69,0.5)); }
.game-title {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 7vw, 5rem);
  font-weight: 900;
  line-height: 1.05;
  text-align: center;
  color: var(--color-gold);
  text-shadow: 0 0 40px rgba(232,160,69,0.4), 0 2px 8px rgba(0,0,0,0.6);
  letter-spacing: -0.01em;
}
.game-subtitle {
  font-size: clamp(0.9rem, 2vw, 1.1rem);
  color: var(--color-text-muted);
  text-align: center;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.btn-crowd {
  background: transparent;
  border: 1.5px solid rgba(232,160,69,0.35);
  color: var(--color-text-muted);
  font-family: var(--font-body);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  padding: var(--space-2) var(--space-4);
  border-radius: 9999px;
  cursor: pointer;
  transition: border-color var(--transition), color var(--transition);
}
.btn-crowd:hover { border-color: rgba(232,160,69,0.7); color: var(--color-gold); }

.credit-note {
  font-size: 0.8rem;
  color: var(--color-text-faint);
  letter-spacing: 0.05em;
}

/* ===== BUTTONS ===== */
.btn-primary {
  background: linear-gradient(135deg, #e8a045 0%, #c07030 100%);
  color: #1a0e00;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.1em;
  padding: var(--space-3) var(--space-8);
  border-radius: var(--radius-full, 9999px);
  border: none;
  transition: transform var(--transition), box-shadow var(--transition), filter var(--transition);
  box-shadow: 0 4px 20px rgba(232,160,69,0.4);
}
.btn-primary:hover { transform: translateY(-2px); filter: brightness(1.1); box-shadow: 0 8px 30px rgba(232,160,69,0.5); }
.btn-primary:active { transform: translateY(0); }

/* ===== GAME SCREEN ===== */
#game-screen {
  flex-direction: column;
  align-items: stretch;
  background: radial-gradient(ellipse at 50% 0%, #1a153a 0%, #0e0c1a 60%);
  overflow: hidden;
}

/* ===== ROUND INTRO BANNER ===== */
.round-banner {
  position: absolute;
  top: 60px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 50;
  pointer-events: none;
}
.round-banner.hidden { display: none; }
.round-banner-inner {
  background: linear-gradient(135deg, rgba(232,160,69,0.95), rgba(160,80,10,0.95));
  color: #1a0a00;
  border-radius: 9999px;
  padding: 10px 28px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  box-shadow: 0 4px 24px rgba(232,160,69,0.5);
  animation: banner-pop 0.35s cubic-bezier(0.16,1,0.3,1);
}
@keyframes banner-pop {
  from { transform: scale(0.8); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}
.round-banner-label {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.round-banner-desc {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  opacity: 0.85;
}

/* ===== HUD ===== */
.hud {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) var(--space-6);
  background: rgba(22,19,42,0.9);
  border-bottom: 1px solid var(--color-border);
  flex-shrink: 0;
}
.hud-left, .hud-right {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 70px;
}
.hud-label { font-size: 0.65rem; letter-spacing: 0.15em; text-transform: uppercase; color: var(--color-text-muted); }
.hud-value { font-family: var(--font-display); font-size: 1.1rem; font-weight: 700; color: var(--color-gold); font-variant-numeric: tabular-nums lining-nums; white-space: nowrap; }
.hud-counter { font-size: 0.65rem; color: var(--color-text-muted); letter-spacing: 0.1em; }
.hud-center { flex: 1; text-align: center; }
.hud-logo { width: auto; height: 18px; overflow: visible; }

/* ===== PUZZLE SECTION ===== */
.puzzle-section {
  flex-shrink: 0;
  padding: var(--space-6) var(--space-4) var(--space-2);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
}
.puzzle-category {
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-gold);
  font-weight: 600;
}
.puzzle-board {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 6px;
  justify-content: center;
  max-width: 700px;
}
.puzzle-row-break { width: 100%; height: 0; }
.tile {
  width: 34px;
  height: 42px;
  background: var(--color-surface-2, #1e1a36);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-text);
  text-transform: uppercase;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
  position: relative;
  overflow: hidden;
}
.tile--space {
  background: transparent;
  border-color: transparent;
  width: 16px;
}
.tile--revealed {
  background: var(--color-surface);
  border-color: var(--color-gold-dim);
  color: var(--color-gold);
  animation: tile-flip 0.35s ease;
}
.tile--hidden { color: transparent; }

@keyframes tile-flip {
  0% { transform: rotateY(90deg); opacity: 0; }
  100% { transform: rotateY(0deg); opacity: 1; }
}

/* ===== USED LETTERS ===== */
.used-letters-wrap {
  flex-shrink: 0;
  display: flex;
  justify-content: center;
  padding: var(--space-1) var(--space-4);
}
.used-letters {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
  justify-content: center;
  max-width: 600px;
}
.used-letter {
  width: 26px;
  height: 28px;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-text-faint);
  text-transform: uppercase;
}
.used-letter--used { background: rgba(192,57,43,0.2); border-color: rgba(192,57,43,0.4); color: #e07060; }

/* ===== WHEEL SECTION ===== */
.wheel-section {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-10);
  padding: var(--space-4) var(--space-8);
  min-height: 0;
}
.wheel-container {
  position: relative;
  flex-shrink: 0;
}
.wheel-pointer {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 1.6rem;
  color: var(--color-gold);
  z-index: 10;
  filter: drop-shadow(0 0 8px rgba(232,160,69,0.8));
  line-height: 1;
}
#wheel-canvas {
  display: block;
  border-radius: 50%;
  width: 420px;
  height: 420px;
  box-shadow: 0 0 60px rgba(232,160,69,0.15), 0 0 0 3px rgba(232,160,69,0.3), 0 8px 40px rgba(0,0,0,0.6);
}
.wheel-controls {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
}
.btn-spin {
  width: 110px;
  height: 110px;
  border-radius: 50%;
  background: radial-gradient(circle at 40% 35%, #e8a045, #b06010);
  color: #1a0a00;
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 900;
  letter-spacing: 0.05em;
  border: 3px solid rgba(255,200,80,0.5);
  box-shadow: 0 4px 30px rgba(232,160,69,0.5), inset 0 1px 0 rgba(255,255,255,0.3);
  transition: transform var(--transition), box-shadow var(--transition);
}
.btn-spin:hover:not(:disabled) { transform: scale(1.06); box-shadow: 0 8px 40px rgba(232,160,69,0.7); }
.btn-spin:active:not(:disabled) { transform: scale(0.97); }
.btn-spin:disabled { opacity: 0.4; cursor: not-allowed; }

.btn-solve {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: radial-gradient(circle at 40% 35%, #9b59b6, #6c3483);
  color: #fff;
  font-family: var(--font-body);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  line-height: 1.3;
  text-align: center;
  border: 2.5px solid rgba(200,150,255,0.4);
  box-shadow: 0 4px 20px rgba(155,89,182,0.5), inset 0 1px 0 rgba(255,255,255,0.2);
  transition: transform var(--transition), box-shadow var(--transition), filter var(--transition);
  cursor: pointer;
}
.btn-solve:hover:not(:disabled) { transform: scale(1.06); box-shadow: 0 8px 30px rgba(155,89,182,0.7); }
.btn-solve:active:not(:disabled) { transform: scale(0.97); }
.btn-solve:disabled { opacity: 0.3; cursor: not-allowed; }

.wedge-result {
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  text-align: center;
  min-height: 24px;
  max-width: 180px;
}

/* ===== MODALS ===== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(10,8,20,0.85);
  backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: var(--space-4);
}
.modal-overlay.hidden { display: none; }
.modal-box {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  max-width: 520px;
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  box-shadow: 0 24px 80px rgba(0,0,0,0.7), 0 0 0 1px rgba(255,255,255,0.05);
  animation: modal-in 0.25s cubic-bezier(0.16,1,0.3,1);
}
@keyframes modal-in {
  from { transform: scale(0.92) translateY(12px); opacity: 0; }
  to { transform: scale(1) translateY(0); opacity: 1; }
}
.modal-claim-type {
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--color-gold);
  padding: var(--space-1) var(--space-3);
  background: rgba(232,160,69,0.12);
  border-radius: var(--radius-sm);
  align-self: flex-start;
  border: 1px solid rgba(232,160,69,0.25);
}
.modal-question {
  font-size: 1.05rem;
  line-height: 1.55;
  color: var(--color-text);
  font-weight: 500;
}
.modal-options {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.option-btn {
  background: var(--color-surface-2, #1e1a36);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  color: var(--color-text);
  font-size: 0.95rem;
  text-align: left;
  transition: background var(--transition), border-color var(--transition);
}
.option-btn:hover:not(:disabled) { background: rgba(232,160,69,0.1); border-color: rgba(232,160,69,0.4); }
.option-btn.correct { background: rgba(39,174,96,0.2); border-color: #27ae60; color: #7fe8a8; }
.option-btn.wrong { background: rgba(192,57,43,0.2); border-color: #c0392b; color: #e07060; }
.option-btn:disabled { cursor: default; }

.modal-feedback {
  font-size: 0.9rem;
  line-height: 1.5;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  font-weight: 500;
}
.modal-feedback.correct { background: rgba(39,174,96,0.15); border: 1px solid rgba(39,174,96,0.3); color: #7fe8a8; }
.modal-feedback.wrong { background: rgba(192,57,43,0.15); border: 1px solid rgba(192,57,43,0.3); color: #e07060; }
.modal-feedback.hidden { display: none; }

.modal-heading {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--color-gold);
  text-align: center;
}
.modal-sub {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  text-align: center;
}

/* ===== LETTER GRID ===== */
.modal-box--letter { max-width: 480px; }
.letter-grid {
  display: grid;
  grid-template-columns: repeat(9, 1fr);
  gap: 5px;
}
.letter-btn {
  aspect-ratio: 1;
  border-radius: var(--radius-sm);
  background: var(--color-surface-2, #1e1a36);
  border: 1.5px solid var(--color-border);
  color: var(--color-text);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  transition: background var(--transition), border-color var(--transition), transform var(--transition);
}
.letter-btn:hover:not(:disabled) { background: rgba(232,160,69,0.15); border-color: rgba(232,160,69,0.5); transform: scale(1.08); }
.letter-btn:disabled { opacity: 0.25; cursor: not-allowed; transform: none; }

.vowel-row {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding-top: var(--space-2);
  border-top: 1px solid var(--color-border);
}
.vowel-label, .vowel-cost { font-size: 0.75rem; color: var(--color-text-muted); white-space: nowrap; }
.vowel-btns { display: flex; gap: var(--space-2); flex: 1; justify-content: center; }
.vowel-btn {
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-sm);
  background: rgba(41,128,185,0.15);
  border: 1.5px solid rgba(41,128,185,0.4);
  color: #7ab8e8;
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  transition: background var(--transition), transform var(--transition);
}
.vowel-btn:hover:not(:disabled) { background: rgba(41,128,185,0.3); transform: scale(1.05); }
.vowel-btn:disabled { opacity: 0.25; cursor: not-allowed; }

/* ===== SOLVE MODAL ===== */
.modal-box--solve { text-align: center; align-items: center; }
.solve-emoji { font-size: 3rem; }
.solve-phrase { font-family: var(--font-display); font-size: 1.3rem; font-weight: 700; color: var(--color-text); }
.solve-score { font-size: 1rem; color: var(--color-gold); font-weight: 600; }

/* ===== SPECIAL WEDGE MODAL ===== */
.modal-box--special { text-align: center; align-items: center; }
.special-icon { font-size: 3rem; }
.special-title { font-family: var(--font-display); font-size: 1.8rem; color: var(--color-text); }
.special-desc { font-size: 0.95rem; color: var(--color-text-muted); line-height: 1.6; }

/* ===== SOLVE ATTEMPT MODAL ===== */
.modal-box--attempt { max-width: 480px; gap: var(--space-4); }
.solve-input {
  width: 100%;
  background: var(--color-surface-2, #1e1a36);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  color: var(--color-text);
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  outline: none;
  transition: border-color var(--transition);
}
.solve-input:focus { border-color: rgba(155,89,182,0.8); }
.solve-input::placeholder { font-weight: 400; font-family: var(--font-body); text-transform: none; letter-spacing: 0; color: var(--color-text-faint); }
.solve-attempt-btns { display: flex; gap: var(--space-3); justify-content: center; }
.btn-cancel {
  background: rgba(255,255,255,0.06);
  border: 1.5px solid var(--color-border);
  border-radius: 9999px;
  color: var(--color-text-muted);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.08em;
  padding: var(--space-3) var(--space-6);
  transition: background var(--transition);
}
.btn-cancel:hover { background: rgba(255,255,255,0.1); }
.solve-attempt-feedback {
  font-size: 0.9rem;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  font-weight: 500;
  text-align: center;
}
.solve-attempt-feedback.correct { background: rgba(39,174,96,0.15); border: 1px solid rgba(39,174,96,0.3); color: #7fe8a8; }
.solve-attempt-feedback.wrong { background: rgba(192,57,43,0.15); border: 1px solid rgba(192,57,43,0.3); color: #e07060; }
.solve-attempt-feedback.hidden { display: none; }

/* ===== GAME OVER ===== */
.modal-box--gameover { text-align: center; align-items: center; gap: var(--space-6); }
.gameover-score { font-size: 1.1rem; color: var(--color-text-muted); }
.gameover-score span { color: var(--color-gold); font-family: var(--font-display); font-size: 2rem; font-weight: 700; }

/* ===== RESPONSIVE ===== */
@media (max-width: 600px) {
  /* HUD — hide center logo, keep round + score readable */
  .hud { padding: var(--space-2) var(--space-3); }
  .hud-center { display: none; }
  .hud-value { font-size: 1.1rem; }
  .hud-label { font-size: 0.6rem; }

  /* Puzzle board — wider rectangular tiles, larger text */
  .puzzle-section { padding: var(--space-3) var(--space-2) var(--space-1); gap: var(--space-2); }
  .puzzle-board { gap: 3px 4px; }
  .tile {
    width: 30px;
    height: 38px;
    font-size: 1rem;
  }

  /* Used letters — smaller to fit */
  .used-letter { width: 22px; height: 24px; font-size: 0.65rem; }

  /* Wheel — smaller to leave room for puzzle */
  .wheel-section { flex-direction: column; gap: var(--space-2); padding: var(--space-1) var(--space-2); }
  #wheel-canvas { width: 260px; height: 260px; }
  .wheel-controls { flex-direction: row; align-items: center; gap: var(--space-4); }
  .btn-spin { width: 72px; height: 72px; font-size: 0.95rem; }
  .btn-solve { width: 72px; height: 72px; font-size: 0.65rem; }
  .wedge-result { font-size: 0.75rem; max-width: 120px; }

  /* Letter picker — tighter grid */
  .letter-grid { grid-template-columns: repeat(7, 1fr); }
  .modal-box { padding: var(--space-4); }
}