/* ============================================================
   STYLE.CSS  —  All visual styling
   Edit colours, fonts, and layout here.
   ============================================================ */

/* ── Imports ─────────────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=DM+Serif+Display:ital@0;1&family=DM+Sans:wght@300;400;500;600&display=swap');

/* ── Design tokens ───────────────────────────────────────── */
:root {
  --bg:          #0f0f13;
  --surface:     #18181f;
  --surface2:    #22222c;
  --border:      #2e2e3d;
  --accent:      #e8c547;
  --accent-dim:  #a88c20;
  --text:        #f0eee8;
  --text-sub:    #8a8898;
  --green:       #4caf78;
  --red:         #e05555;
  --radius:      12px;
  --radius-lg:   20px;
  --font-display: 'DM Serif Display', Georgia, serif;
  --font-body:    'DM Sans', system-ui, sans-serif;
  --shadow:      0 8px 32px rgba(0,0,0,0.4);
}

/* ── Reset & base ────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

button { cursor: pointer; border: none; background: none; font: inherit; color: inherit; }
input  { font: inherit; color: inherit; }

/* ── Screen system ───────────────────────────────────────── */
.screen {
  display: none;
  min-height: 100vh;
  padding: 24px 16px 48px;
}
.screen.active { display: block; }

/* ── Shared container ────────────────────────────────────── */
.container {
  max-width: 760px;
  margin: 0 auto;
}

/* ══════════════════════════════════════════════════════════
   HOME SCREEN
   ══════════════════════════════════════════════════════════ */
.home-header {
  text-align: center;
  padding: 56px 0 48px;
}

.home-header h1 {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 6vw, 3.6rem);
  letter-spacing: -0.02em;
  line-height: 1.1;
  color: var(--accent);
}

.home-header p {
  margin-top: 12px;
  color: var(--text-sub);
  font-size: 1.05rem;
}

.quiz-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 16px;
}

.quiz-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 24px 22px;
  text-align: left;
  transition: transform 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.quiz-card:hover {
  transform: translateY(-3px);
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent), var(--shadow);
}

.card-emoji { font-size: 2rem; }
.card-title { font-family: var(--font-display); font-size: 1.15rem; margin-top: 4px; }
.card-sub   { font-size: 0.85rem; color: var(--text-sub); }

/* Entry count badge — adapts label based on list length */
.card-count {
  display: inline-block;
  margin-top: 4px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent-dim);
  background: rgba(232, 197, 71, 0.08);
  border: 1px solid rgba(232, 197, 71, 0.2);
  border-radius: 99px;
  padding: 2px 10px;
  width: fit-content;
}

.card-cta {
  margin-top: 10px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.04em;
}

/* ══════════════════════════════════════════════════════════
   GAME SCREEN
   ══════════════════════════════════════════════════════════ */
.game-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 24px 0 8px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 20px;
}
.game-emoji { font-size: 1.8rem; }
.game-meta  { flex: 1; }
.game-meta h2 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  line-height: 1.2;
}
.game-meta p { font-size: 0.82rem; color: var(--text-sub); }

/* Timer */
#timer {
  font-variant-numeric: tabular-nums;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.05em;
  min-width: 52px;
  text-align: right;
}

/* Progress bar */
.progress-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
}
.progress-bar {
  flex: 1;
  height: 6px;
  background: var(--surface2);
  border-radius: 99px;
  overflow: hidden;
}
.progress-bar-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 99px;
  transition: width 0.4s ease;
  width: 0%;
}
#progress-text {
  font-size: 0.82rem;
  color: var(--text-sub);
  white-space: nowrap;
}
#wrong-count {
  font-size: 0.82rem;
  color: var(--red);
  white-space: nowrap;
}

/* ── Tiles ───────────────────────────────────────────────── */
.tiles-container {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 24px;
}
.tiles-container {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 24px;
}


/* Adaptive columns — driven by data-cols attribute set in ui.js */
.tiles-container[data-cols="2"] { display: grid; grid-template-columns: repeat(2, 1fr); }
.tiles-container[data-cols="3"] { display: grid; grid-template-columns: repeat(3, 1fr); }

/* Collapse on smaller screens */
@media (max-width: 600px) {
  .tiles-container[data-cols="3"],
  .tiles-container[data-cols="4"] { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 400px) {
  .tiles-container[data-cols="2"],
  .tiles-container[data-cols="3"],
  .tiles-container[data-cols="4"] { grid-template-columns: 1fr; }
}

.tile {
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 18px;
  transition: background 0.3s ease, border-color 0.3s ease;
  min-height: 54px;
}

.tile.revealed {
  background: var(--surface2);
  border-color: var(--accent-dim);
}

.tile-rank {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-sub);
  min-width: 32px;  /* slightly wider to fit e.g. "#50" */
}
.tile.revealed .tile-rank { color: var(--accent); }

.tile-label {
  font-size: 0.97rem;
  color: var(--text-sub);
}
.tile.revealed .tile-label {
  color: var(--text);
  font-weight: 500;
}

/* Tile flash animations */
@keyframes flashCorrect {
  0%   { background: var(--green); border-color: var(--green); }
  100% { background: var(--surface2); border-color: var(--accent-dim); }
}
.tile.flash-correct { animation: flashCorrect 0.6s ease forwards; }

/* ── Input row ───────────────────────────────────────────── */
.input-row {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
}

#guess-input {
  flex: 1;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 16px;
  font-size: 1rem;
  outline: none;
  transition: border-color 0.15s ease;
}
#guess-input:focus   { border-color: var(--accent); }
#guess-input:disabled { opacity: 0.4; }

#guess-btn {
  background: var(--accent);
  color: #111;
  font-weight: 600;
  border-radius: var(--radius);
  padding: 12px 22px;
  font-size: 0.95rem;
  transition: opacity 0.15s ease, transform 0.1s ease;
}
#guess-btn:hover:not(:disabled) { opacity: 0.88; }
#guess-btn:active  { transform: scale(0.97); }
#guess-btn:disabled { opacity: 0.3; cursor: default; }

/* Input shake on wrong guess */
@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20%       { transform: translateX(-6px); }
  40%       { transform: translateX(6px); }
  60%       { transform: translateX(-4px); }
  80%       { transform: translateX(4px); }
}
#guess-input.shake { animation: shake 0.4s ease; border-color: var(--red); }

/* Give-up */
#giveup-btn {
  display: block;
  margin: 0 auto 24px;
  font-size: 0.82rem;
  color: var(--text-sub);
  text-decoration: underline;
  text-underline-offset: 3px;
}
#giveup-btn:hover { color: var(--red); }

/* ── Guess log ───────────────────────────────────────────── */
.guess-log-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-sub);
  margin-bottom: 8px;
}

#guess-log {
  display: flex;
  flex-direction: column;
  gap: 4px;
  max-height: 180px;
  overflow-y: auto;
  padding-right: 4px;
}
#guess-log::-webkit-scrollbar       { width: 4px; }
#guess-log::-webkit-scrollbar-track { background: transparent; }
#guess-log::-webkit-scrollbar-thumb { background: var(--border); border-radius: 99px; }

.guess-entry {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  border-radius: 6px;
  font-size: 0.88rem;
  background: var(--surface);
}
.guess-entry.guess-hit  { color: var(--green); }
.guess-entry.guess-miss { color: var(--text-sub); }
.guess-icon { font-size: 0.75rem; opacity: 0.8; }

/* ── Inline win/lose banner ──────────────────────────────── */
/* Slides in above the tiles; no page navigation needed. */
.inline-banner {
  border-radius: var(--radius-lg);
  padding: 20px 22px;
  margin-bottom: 18px;
  border: 1px solid var(--border);
  animation: slideDown 0.4s ease;
}
.banner-win  { background: #1a2e1f; border-color: var(--green); }
.banner-lose { background: #2a1a1a; border-color: var(--red); }

.banner-inner {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.banner-icon { font-size: 2rem; flex-shrink: 0; }
.banner-text {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.banner-text strong { font-size: 1.05rem; }
.banner-text span   { font-size: 0.83rem; color: var(--text-sub); }

.banner-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.banner-actions .btn-primary,
.banner-actions .btn-secondary {
  padding: 9px 18px;
  font-size: 0.85rem;
}

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-12px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── Shared button styles ────────────────────────────────── */
.btn-primary, .btn-secondary {
  padding: 13px 28px;
  border-radius: var(--radius);
  font-size: 0.95rem;
  font-weight: 600;
  transition: opacity 0.15s, transform 0.1s;
}
.btn-primary   { background: var(--accent); color: #111; }
.btn-secondary { background: var(--surface); border: 1px solid var(--border); }
.btn-primary:hover,
.btn-secondary:hover  { opacity: 0.85; }
.btn-primary:active,
.btn-secondary:active { transform: scale(0.97); }

/* ── Back / All quizzes button in game header ── */
#back-btn {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-sub);
  border: 1px solid var(--border);
  border-radius: 99px;
  padding: 5px 12px;
  transition: color 0.15s, border-color 0.15s;
  white-space: nowrap;
}
#back-btn:hover {
  color: var(--accent);
  border-color: var(--accent);
}

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 480px) {
  .game-header { flex-wrap: wrap; }
  .quiz-grid   { grid-template-columns: 1fr; }
  .banner-inner { flex-direction: column; align-items: flex-start; }
}