:root {
  --bg: #0b0a1a;
  --panel: rgba(18, 16, 40, 0.94);
  --panel-border: #3b345f;
  --text: #f1ecff;
  --muted: #a9a2c9;
  --accent: #9cff57;
  --accent-dark: #4caf2a;
  --danger: #ff4b5c;
  --wood: #6b3f1d;
  font-size: 16px;
}
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; background: var(--bg); color: var(--text); font-family: 'Trebuchet MS', 'Segoe UI', system-ui, sans-serif; overflow: hidden; }
#stage { position: fixed; inset: 0; }
#game { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
.hidden { display: none !important; }

/* typing box */
#hud-input { position: absolute; left: 50%; bottom: 3vh; transform: translateX(-50%); width: min(560px, 92vw); text-align: center; }
.input-row { display: flex; align-items: center; background: rgba(8, 6, 20, 0.85); border: 3px solid var(--accent); border-radius: 14px; padding: 6px 14px; box-shadow: 0 0 24px rgba(156, 255, 87, 0.35), inset 0 0 12px rgba(0,0,0,.6); }
.input-row.shake { animation: shake 0.3s; border-color: var(--danger); box-shadow: 0 0 24px rgba(255, 75, 92, 0.6); }
.input-row.flash { border-color: #fff; box-shadow: 0 0 36px rgba(255,255,255,.8); }
.prompt-mark { color: var(--accent); font-weight: bold; font-size: 1.6rem; margin-right: 10px; font-family: monospace; }
#word-input { flex: 1; background: transparent; border: 0; outline: 0; color: #fff; font-size: 1.7rem; font-family: 'Courier New', monospace; letter-spacing: 0.06em; min-width: 0; }
#word-input::placeholder { color: #5e5880; font-size: 1.1rem; letter-spacing: 0; font-family: inherit; }
.tool-btn { background: #2d2850; border: 2px solid #4a4280; color: #fff; border-radius: 10px; padding: 6px 12px; font-size: 1.1rem; cursor: pointer; line-height: 1; touch-action: manipulation; -webkit-tap-highlight-color: transparent; }
.tool-btn:active { filter: brightness(1.3); }
.tool-btn.wide { padding: 8px 18px; font-size: 1rem; font-weight: bold; }
#btn-clear { margin-left: 8px; padding: 6px 10px; border-color: #ff4b5c; color: #ff4b5c; background: transparent; }
.input-tools { display: flex; flex-wrap: wrap; justify-content: center; gap: 16px; margin-top: 10px; }
/* Game buttons under the field: dark glass like the field itself, each with a rim and glow of its own colour (--glow). */
.input-tools .tool-btn { --glow: 156, 255, 87; background: rgba(8, 6, 20, 0.85); border: 2px solid rgb(var(--glow)); color: rgb(var(--glow)); border-radius: 12px; text-shadow: 0 0 8px rgba(var(--glow), 0.6); box-shadow: 0 0 14px rgba(var(--glow), 0.35), inset 0 0 10px rgba(0, 0, 0, 0.6); transition: box-shadow .15s, transform .08s; }
.input-tools .tool-btn:hover { box-shadow: 0 0 22px rgba(var(--glow), 0.6), inset 0 0 10px rgba(0, 0, 0, 0.6); }
.input-tools .tool-btn:active { transform: translateY(1px); }
.input-tools .tool-btn:disabled { opacity: 0.5; cursor: default; }
.input-tools .tool-btn.listening { --glow: 255, 107, 107; background: rgba(120, 20, 30, 0.85); animation: pulse 1.2s ease-in-out infinite; }
#btn-pause { --glow: 255, 212, 59; min-width: 10em; }   /* fits "▶ Продолжить", so the row does not jump when the label changes */
#btn-quit { --glow: 199, 125, 255; }
@keyframes pulse { 0%,100% { box-shadow: 0 0 0 0 rgba(255, 75, 92, 0.6); } 50% { box-shadow: 0 0 0 12px rgba(255, 75, 92, 0); } }
#word-input.voice { color: #ffd43b; }
#hint-line { margin-top: 6px; color: var(--muted); font-size: 0.95rem; min-height: 1.2em; text-shadow: 0 1px 2px #000; }
#layout-warning { background: var(--danger); color: #fff; font-weight: bold; border-radius: 8px; padding: 4px 10px; margin-bottom: 6px; display: inline-block; }
@keyframes shake { 0%,100% { transform: translateX(0); } 20% { transform: translateX(-8px); } 40% { transform: translateX(8px); } 60% { transform: translateX(-6px); } 80% { transform: translateX(6px); } }

/* overlays */
.overlay { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; background: radial-gradient(ellipse at center, rgba(20, 12, 40, 0.55), rgba(5, 3, 12, 0.88)); overflow: auto; padding: 16px; }
.panel { background: var(--panel); border: 2px solid var(--panel-border); border-radius: 18px; padding: 28px 32px; width: min(420px, 100%); box-shadow: 0 20px 60px rgba(0,0,0,.6), 0 0 0 6px rgba(0,0,0,.25); }
.panel.wide { width: min(640px, 100%); }
.logo { font-size: 2.6rem; margin: 0; text-align: center; letter-spacing: 0.04em; color: var(--accent); text-shadow: 3px 3px 0 #1b5e20, 0 0 30px rgba(156,255,87,.4); font-weight: 900; }
.logo.small { font-size: 1.8rem; text-align: left; }
.logo-zombie { display: inline-block; animation: wobble 2.2s ease-in-out infinite; }
@keyframes wobble { 0%,100% { transform: rotate(-8deg); } 50% { transform: rotate(8deg) translateY(-3px); } }
.tagline { text-align: center; color: var(--muted); margin: 6px 0 20px; }
.tabs { display: flex; gap: 6px; margin-bottom: 14px; }
.tab { flex: 1; background: transparent; border: 2px solid var(--panel-border); color: var(--muted); border-radius: 10px; padding: 8px; cursor: pointer; font-size: 1rem; }
.tab.active { background: var(--panel-border); color: #fff; }
.auth-form label { display: block; margin-bottom: 12px; color: var(--muted); font-size: 0.9rem; }
.auth-form input { display: block; width: 100%; margin-top: 4px; padding: 10px 12px; font-size: 1.05rem; border-radius: 10px; border: 2px solid var(--panel-border); background: #0d0b20; color: #fff; outline: none; }
.auth-form input:focus { border-color: var(--accent); }
.auth-form select { display: block; width: 100%; margin-top: 4px; padding: 10px 12px; font-size: 1rem; border-radius: 10px; border: 2px solid var(--panel-border); background: #0d0b20; color: #fff; }
.btn { background: #2d2850; border: 2px solid #4a4280; color: #fff; border-radius: 12px; padding: 10px 18px; font-size: 1.05rem; cursor: pointer; transition: transform .08s, filter .2s; }
.btn:hover { filter: brightness(1.15); transform: translateY(-1px); }
.btn:active { transform: translateY(1px); }
.btn.primary { background: linear-gradient(#b4ff6e, #6cd63a); border-color: #3d8f1e; color: #10300a; font-weight: 900; width: 100%; margin-top: 6px; box-shadow: 0 4px 0 #2f6e18; }
.btn.primary:active { box-shadow: 0 1px 0 #2f6e18; }
.btn.big { font-size: 1.5rem; padding: 14px; }
.btn.wide-btn { width: 100%; margin-top: 8px; }
.words-title { margin: 0; color: var(--accent); }
.words-tabs { margin-top: 6px; }
#words-filter { width: 100%; padding: 8px 12px; margin: 6px 0; border-radius: 10px; border: 2px solid var(--panel-border); background: #0d0b20; color: #fff; font-size: 1rem; }
.words-summary { color: var(--muted); margin: 4px 0 8px; font-size: 0.9rem; }
.words-list { list-style: none; padding: 0; margin: 0; max-height: 50vh; overflow: auto; display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 6px; }
.words-list li { background: #0d0b20; border-radius: 8px; padding: 6px 10px; display: flex; justify-content: space-between; align-items: center; gap: 8px; }
.words-list b { color: var(--accent); }
.words-list .ru { color: var(--muted); }
.words-list .due { font-size: 0.78rem; color: #ffcf4b; white-space: nowrap; }
.words-list .due.ok { color: var(--muted); }
.btn.link, .link { background: none; border: 0; color: var(--muted); text-decoration: underline; cursor: pointer; font-size: 0.9rem; padding: 0; }
.error { color: var(--danger); min-height: 1.2em; margin: 10px 0 0; text-align: center; font-weight: bold; }
.menu-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 14px; }
.user-box { color: var(--muted); }
.user-box span { color: #fff; font-weight: bold; }
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(110px, 1fr)); gap: 8px; margin: 10px 0 16px; }
.stat { background: #0d0b20; border: 1px solid var(--panel-border); border-radius: 10px; padding: 8px 10px; text-align: center; }
.stat b { display: block; font-size: 1.5rem; color: var(--accent); }
.stat.warn b { color: #ffcf4b; }
.stat small { color: var(--muted); font-size: 0.78rem; }
.stats-grid.clickable .stat[data-status] { cursor: pointer; transition: border-color .15s, transform .1s; }
.stats-grid.clickable .stat[data-status]:hover { border-color: var(--accent); transform: translateY(-1px); }
.stats-hint { margin: -8px 0 10px; color: var(--muted); font-size: 0.78rem; text-align: center; }
.words-tabs .tab { padding: 6px 4px; font-size: 0.9rem; }
.menu-row { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; margin-bottom: 12px; color: var(--muted); font-size: 0.9rem; }
.select-label select { display: block; margin-top: 4px; background: #0d0b20; color: #fff; border: 2px solid var(--panel-border); border-radius: 8px; padding: 6px 8px; font-size: 0.95rem; }
.check-label { align-self: flex-end; padding-bottom: 8px; }
.howto { margin-top: 16px; color: var(--muted); font-size: 0.9rem; }
.howto summary { cursor: pointer; color: #fff; }
.howto li { margin: 6px 0; }
.leaderboard { margin-top: 16px; }
.leaderboard h3, .review-box h3 { margin: 0 0 6px; font-size: 1rem; color: var(--muted); text-transform: uppercase; letter-spacing: .08em; }
#leaderboard { margin: 0; padding-left: 24px; columns: 2; color: #fff; }
#leaderboard li { margin: 2px 0; }
#leaderboard b { color: var(--accent); }
.over-title { text-align: center; color: var(--danger); font-size: 2.4rem; margin: 0 0 8px; text-shadow: 3px 3px 0 #4a0010; }
.review-box ul { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 6px; max-height: 32vh; overflow: auto; }
.review-box li { background: #0d0b20; border-radius: 8px; padding: 6px 10px; }
.review-box li b { color: var(--accent); }
.review-box li .ru { color: var(--muted); }
.btn-row { display: flex; gap: 10px; margin-top: 16px; }
.btn-row .btn { flex: 1; margin: 0; }
#toast { position: absolute; top: 14px; left: 50%; transform: translateX(-50%); background: #ffcf4b; color: #332200; font-weight: bold; padding: 8px 16px; border-radius: 10px; box-shadow: 0 4px 16px rgba(0,0,0,.5); z-index: 5; }
@media (max-width: 600px) {
  .panel { padding: 20px 16px; }
  #leaderboard { columns: 1; }
  #word-input { font-size: 1.3rem; }
}
@media (pointer: coarse) {
  #hud-input { bottom: 1.5vh; width: min(640px, 96vw); }
  .tool-btn { padding: 10px 14px; font-size: 1.2rem; }
  .tool-btn.wide { padding: 12px 22px; font-size: 1.1rem; }
  #hint-line { display: none; }
}
/* Short screens (phones in landscape): one compact row, the scene is letterboxed above it. */
@media (max-height: 520px) {
  #hud-input { display: flex; align-items: center; gap: 8px; width: 98vw; left: 1vw; bottom: 6px; transform: none; }
  .input-row { flex: 1; padding: 2px 10px; border-width: 2px; }
  #word-input { font-size: 1.2rem; }
  #word-input::placeholder { font-size: 0.95rem; }
  .input-tools { margin: 0; gap: 10px; flex-wrap: nowrap; }
  .tool-btn, .tool-btn.wide { padding: 8px 12px; font-size: 1rem; }
  #hint-line { display: none; }
  #layout-warning { position: absolute; bottom: 100%; left: 50%; transform: translateX(-50%); margin-bottom: 6px; white-space: nowrap; }
}