@import url('https://fonts.googleapis.com/css2?family=Antonio:wght@400;700&family=Inter:wght@300;400;500;600&family=JetBrains+Mono:wght@400;500;700&display=swap');

:root {
  /* Chess.com-style palette — green/cream board, warm charcoal chrome, green accent */
  --obsidian:     #262421;
  --surface:      #312E2B;
  --surface2:     #3C3A36;
  --surface3:     #4A4742;
  --border:       #3C3A36;
  --border2:      #54514B;

  --ink:          #1A2410;   /* dark text for use on the green accent */

  --ember:        #81B64C;
  --ember-dim:    rgba(129,182,76,0.15);
  --ember-mid:    rgba(129,182,76,0.35);
  --crimson:      #E11D2E;
  --crimson-dim:  rgba(225,29,46,0.15);
  --gold:         #F5C518;
  --mint:         #34D399;
  --green:        #66B45A;
  --yellow:       #E8A33D;
  --red:          #FF3B30;

  --board-light:  #EEEED2;
  --board-dark:   #769656;
  --board-last:   rgba(247,247,105,0.50);
  --board-select: rgba(247,247,105,0.85);

  --text:         #EDEBE7;
  --text-dim:     #B6B1A8;
  --text-muted:   #827D74;

  /* Move quality colors */
  --q-brilliant: #F5C518;
  --q-best:      #81B64C;
  --q-good:      #B6B1A8;
  --q-inaccuracy:#E6912C;
  --q-mistake:   #E07A3C;
  --q-blunder:   #E11D2E;
}

*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }
html, body { height:100%; overflow:hidden; }
body {
  background: var(--obsidian);
  color: var(--text);
  font-family: 'Inter', sans-serif;
  font-size: 14px;
}

.screen { display:none; width:100%; height:100vh; overflow:hidden; }
.screen.active { display:flex; }

/* ── GLOBAL FX ── */
#flash { position:fixed; inset:0; z-index:900; pointer-events:none; opacity:0; transition:opacity .08s ease; }
#feedback-text {
  position:fixed; top:50%; left:50%;
  transform:translate(-50%,-50%) scale(0);
  font-family:'Antonio',sans-serif;
  font-size:clamp(60px,9vw,100px);
  letter-spacing:8px; pointer-events:none; z-index:901; opacity:0;
}
#feedback-text.pop { animation:pop-anim .75s cubic-bezier(.22,.61,.36,1) forwards; }
@keyframes pop-anim {
  0%   { transform:translate(-50%,-50%) scale(.4); opacity:0; }
  30%  { transform:translate(-50%,-50%) scale(1.1); opacity:1; }
  65%  { transform:translate(-50%,-50%) scale(1); opacity:1; }
  100% { transform:translate(-50%,-50%) scale(1.3); opacity:0; }
}

#toast {
  position:fixed; bottom:24px; left:50%; transform:translateX(-50%);
  background:var(--surface); border:1px solid var(--border2);
  padding:10px 20px; font-family:'JetBrains Mono',monospace; font-size:12px;
  letter-spacing:2px; z-index:1000; opacity:0; transition:opacity .2s;
  pointer-events:none; white-space:nowrap; color:var(--text-dim);
}
#toast.show { opacity:1; }

.ad {
  background:var(--surface); border:1px solid var(--border);
  display:flex; align-items:center; justify-content:center;
  color:var(--text-muted); font-family:'JetBrains Mono',monospace;
  font-size:9px; letter-spacing:3px; text-transform:uppercase; flex-shrink:0;
}

::-webkit-scrollbar { width:3px; }
::-webkit-scrollbar-thumb { background:var(--border2); border-radius:2px; }

/* ════════════════════════════════════════
   LOGIN
════════════════════════════════════════ */
#s-login {
  flex-direction:column; align-items:center; justify-content:center;
  position:relative; overflow:hidden;
  background: radial-gradient(ellipse 80% 60% at 50% 100%, rgba(129,182,76,.12) 0%, transparent 70%),
              var(--obsidian);
}

.login-grid {
  position:absolute; inset:0;
  background-image: linear-gradient(var(--border) 1px, transparent 1px),
                    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 48px 48px;
  opacity:.4;
  mask-image: radial-gradient(ellipse 70% 70% at 50% 50%, black 20%, transparent 100%);
}

.login-card {
  position:relative; z-index:2;
  width:400px;
  background:var(--surface);
  border:1px solid var(--border2);
  padding:48px 40px 40px;
  box-shadow: 0 0 0 1px rgba(129,182,76,.08), 0 40px 80px rgba(0,0,0,.7);
}

.brand-mark {
  display:flex; align-items:center; gap:14px; margin-bottom:6px;
}
.knight-icon {
  font-size:40px; line-height:1;
  filter: drop-shadow(0 0 12px rgba(129,182,76,.5));
}
.brand-text {
  font-family:'Antonio', sans-serif;
  font-size:36px; font-weight:700;
  letter-spacing:2px; line-height:1;
}
.brand-text .ember { color:var(--ember); }
.brand-text .death { color:var(--crimson); }

.brand-sub {
  font-size:10px; letter-spacing:5px; text-transform:uppercase;
  color:var(--text-muted); margin-bottom:36px;
  padding-top:12px; border-top:1px solid var(--border);
  font-family:'JetBrains Mono',monospace;
}

.field { margin-bottom:16px; }
.field-label {
  font-size:9px; letter-spacing:4px; text-transform:uppercase;
  color:var(--text-muted); margin-bottom:6px; display:block;
  font-family:'JetBrains Mono',monospace;
}
.inp {
  width:100%; background:var(--surface2); border:1px solid var(--border2);
  color:var(--text); padding:13px 14px;
  font-family:'JetBrains Mono',monospace; font-size:14px;
  outline:none; transition:border-color .15s, box-shadow .15s;
}
.inp:focus { border-color:var(--ember); box-shadow:0 0 0 3px var(--ember-dim); }
.inp::placeholder { color:var(--text-muted); }
.inp.error { border-color:var(--crimson); animation:shake .3s ease; box-shadow:0 0 0 3px var(--crimson-dim); }
@keyframes shake {
  0%,100%{transform:translateX(0)} 20%{transform:translateX(-6px)}
  40%{transform:translateX(6px)} 60%{transform:translateX(-4px)} 80%{transform:translateX(4px)}
}

.err-msg { font-size:11px; color:var(--crimson); font-family:'JetBrains Mono',monospace; min-height:16px; margin-bottom:12px; margin-top:-10px; }

.btn-ember {
  width:100%; background:var(--ember); color:var(--ink); border:none;
  padding:16px; font-family:'Antonio',sans-serif; font-size:22px;
  font-weight:700; letter-spacing:4px; cursor:pointer;
  transition:background .12s, transform .1s, box-shadow .2s;
  margin-bottom:10px;
}
.btn-ember:hover { background:#9BCC5E; box-shadow:0 0 30px rgba(129,182,76,.4); }
.btn-ember:active { transform:scale(.98); }

.btn-ghost {
  width:100%; background:transparent; color:var(--text-muted);
  border:1px solid var(--border2); padding:13px;
  font-family:'Antonio',sans-serif; font-size:18px; font-weight:700;
  letter-spacing:3px; cursor:pointer; transition:color .15s, border-color .15s;
}
.btn-ghost:hover { color:var(--text); border-color:var(--ember); }

.login-toggle { text-align:center; margin-top:18px; font-size:11px; color:var(--text-muted); }
.login-toggle a { color:var(--ember); cursor:pointer; }

/* ════════════════════════════════════════
   NAV
════════════════════════════════════════ */
.nav {
  display:flex; align-items:center; justify-content:space-between;
  padding:0 24px; height:54px;
  background:var(--surface); border-bottom:1px solid var(--border);
  flex-shrink:0;
}
.nav-brand { display:flex; align-items:center; gap:10px; }
.nav-knight { font-size:24px; filter:drop-shadow(0 0 8px rgba(129,182,76,.4)); }
.nav-wordmark {
  font-family:'Antonio',sans-serif; font-size:22px; font-weight:700; letter-spacing:2px;
}
.nav-wordmark .ember { color:var(--ember); }
.nav-wordmark .death { color:var(--crimson); }

.nav-right { display:flex; align-items:center; gap:14px; }
.nav-user {
  display:flex; align-items:center; gap:10px; cursor:pointer;
  padding:7px 14px; border:1px solid var(--border); background:var(--surface2);
  transition:border-color .15s, box-shadow .15s;
}
.nav-user:hover { border-color:var(--ember); box-shadow:0 0 0 2px var(--ember-dim); }
.nav-username { font-family:'JetBrains Mono',monospace; font-size:12px; color:var(--text-dim); }
.nav-rating { font-family:'Antonio',sans-serif; font-size:22px; color:var(--ember); letter-spacing:2px; }

.nav-stats { display:flex; align-items:center; gap:28px; }
.nav-stat { display:flex; flex-direction:column; align-items:center; line-height:1; }
.ns-label { font-family:'JetBrains Mono',monospace; font-size:9px; letter-spacing:2px; text-transform:uppercase; color:var(--text-muted); margin-bottom:3px; }
.ns-val { font-family:'Antonio',sans-serif; font-size:20px; letter-spacing:1px; color:var(--text); }
.ns-val.ember { color:var(--ember); }

/* ════════════════════════════════════════
   LOBBY
════════════════════════════════════════ */
#s-lobby { flex-direction:column; background:var(--obsidian); }
.lobby-body { display:flex; flex:1; overflow:hidden; }
.lobby-main {
  flex:1; display:flex; flex-direction:column;
  align-items:center; justify-content:center;
  padding:40px; gap:36px;
}

.lobby-hero { text-align:center; }
.lobby-knight {
  font-size:80px; line-height:1; margin-bottom:12px;
  filter:drop-shadow(0 0 30px rgba(129,182,76,.5));
  animation: float 3s ease-in-out infinite;
}
@keyframes float {
  0%,100% { transform:translateY(0); }
  50% { transform:translateY(-8px); }
}
.lobby-title {
  font-family:'Antonio',sans-serif; font-weight:700;
  font-size:clamp(48px,7vw,88px); letter-spacing:4px; line-height:.9;
  margin-bottom:8px;
}
.lobby-title .ember { color:var(--ember); }
.lobby-title .death { color:var(--crimson); }
.lobby-tagline {
  font-size:11px; letter-spacing:6px; text-transform:uppercase;
  color:var(--text-muted); font-family:'JetBrains Mono',monospace;
}

.rule-chips { display:flex; gap:12px; flex-wrap:wrap; justify-content:center; }
.chip {
  display:flex; align-items:center; gap:8px;
  background:var(--surface); border:1px solid var(--border);
  padding:10px 16px; font-size:12px; color:var(--text-dim);
  transition:border-color .15s;
}
.chip:hover { border-color:var(--ember); }
.chip .ci { font-size:16px; }
.chip strong { color:var(--text); }

.find-btn {
  background:var(--ember); color:var(--ink); border:none;
  padding:22px 80px; font-family:'Antonio',sans-serif; font-weight:700;
  font-size:34px; letter-spacing:5px; cursor:pointer;
  position:relative; overflow:hidden;
  transition:background .12s, transform .1s, box-shadow .2s;
}
.find-btn::before {
  content:''; position:absolute; inset:0;
  background:linear-gradient(135deg, rgba(255,255,255,.15) 0%, transparent 60%);
  pointer-events:none;
}
.find-btn:hover { background:#9BCC5E; box-shadow:0 0 50px rgba(129,182,76,.5); }
.find-btn:active { transform:scale(.97); }
.find-btn.searching {
  background:var(--surface2); color:var(--text-muted);
  cursor:default; box-shadow:none;
  animation:spulse 1.8s infinite;
}
@keyframes spulse {
  0%,100%{ box-shadow:0 0 0 0 rgba(129,182,76,.4); }
  50%{ box-shadow:0 0 0 16px rgba(129,182,76,0); }
}
.search-status {
  font-family:'JetBrains Mono',monospace; font-size:11px;
  letter-spacing:3px; color:var(--text-muted); text-transform:uppercase;
  min-height:20px; text-align:center;
}
.dot-anim::after { content:''; animation:dotdot 1.4s infinite; }
@keyframes dotdot { 0%{content:''} 33%{content:'.'} 66%{content:'..'} 100%{content:'...'} }

/* Lobby sidebar */
.lobby-sidebar {
  width:270px; border-left:1px solid var(--border);
  background:var(--surface); display:flex; flex-direction:column; flex-shrink:0;
}
.sb-section { padding:18px; border-bottom:1px solid var(--border); }
.sb-title {
  font-size:9px; letter-spacing:4px; text-transform:uppercase;
  color:var(--text-muted); font-family:'JetBrains Mono',monospace; margin-bottom:14px;
}
.live-row { display:flex; justify-content:space-between; align-items:center; margin-bottom:10px; }
.live-label { font-size:12px; color:var(--text-dim); }
.live-val { font-family:'Antonio',sans-serif; font-size:24px; color:var(--text); letter-spacing:2px; }
.live-val.ember { color:var(--ember); }

.lb-row {
  display:grid; grid-template-columns:24px 1fr auto;
  gap:8px; align-items:center; padding:8px 0;
  border-bottom:1px solid var(--border); font-size:12px;
}
.lb-row:last-child { border-bottom:none; }
.lb-rank { color:var(--text-muted); font-family:'JetBrains Mono',monospace; font-size:10px; }
.lb-rank.gold   { color:var(--gold); }
.lb-rank.silver { color:#c0c0c0; }
.lb-rank.bronze { color:#cd7f32; }
.lb-name { font-family:'JetBrains Mono',monospace; }
.lb-name.you { color:var(--ember); }
.lb-rating { font-family:'Antonio',sans-serif; font-size:20px; color:var(--text); }

/* ════════════════════════════════════════
   GAME
════════════════════════════════════════ */
#s-game { flex-direction:column; }
.game-nav {
  display:flex; align-items:center; padding:0 16px; height:50px;
  background:var(--surface); border-bottom:1px solid var(--border);
  gap:16px; flex-shrink:0;
}
.game-nav-brand { display:flex; align-items:center; gap:8px; }
.game-nav-knight { font-size:20px; }
.game-nav-wordmark { font-family:'Antonio',sans-serif; font-size:20px; font-weight:700; letter-spacing:2px; }
.game-nav-wordmark .ember { color:var(--ember); }
.game-nav-wordmark .death { color:var(--crimson); }

.game-status-pill {
  flex:1; text-align:center;
  font-family:'JetBrains Mono',monospace; font-size:11px;
  letter-spacing:3px; text-transform:uppercase; color:var(--text-muted);
}
.game-status-pill .hi { color:var(--ember); }
.game-status-pill .gr { color:var(--mint); }
.game-status-pill .re { color:var(--crimson); }

.game-body { display:flex; flex:1; overflow:hidden; }

/* Left panel */
.g-left {
  width:195px; flex-shrink:0;
  background:var(--surface); border-right:1px solid var(--border);
  display:flex; flex-direction:column;
}
.gs { padding:13px 15px; border-bottom:1px solid var(--border); }
.g-label {
  font-size:9px; letter-spacing:3px; text-transform:uppercase;
  color:var(--text-muted); font-family:'JetBrains Mono',monospace; margin-bottom:7px;
}

.pblock { display:flex; flex-direction:column; gap:2px; }
.pblock .pc { font-size:9px; letter-spacing:3px; text-transform:uppercase; color:var(--text-muted); font-family:'JetBrains Mono',monospace; }
.pblock .pn { font-family:'JetBrains Mono',monospace; font-size:13px; font-weight:500; }
.pblock .pr { font-family:'Antonio',sans-serif; font-size:24px; letter-spacing:2px; color:var(--ember); }
.pblock.at {
  background:var(--surface2); margin:-13px -15px;
  padding:13px 15px; border-left:3px solid var(--ember);
}
.pblock.at.dt { border-left-color:var(--crimson); }

/* Timer */
.timer-display {
  font-family:'JetBrains Mono',monospace; font-weight:700;
  font-size:62px; line-height:1; text-align:center; transition:color .3s;
}
.timer-display.ok   { color:var(--text); }
.timer-display.warn { color:var(--ember); }
.timer-display.crit {
  color:var(--crimson);
  animation:crit-shake .25s infinite, crit-glow 0.5s ease-in-out infinite alternate;
}
@keyframes crit-shake { 0%,100%{transform:translateX(0)} 30%{transform:translateX(-3px)} 70%{transform:translateX(3px)} }
@keyframes crit-glow { from{text-shadow:0 0 10px rgba(225,29,46,.3)} to{text-shadow:0 0 20px rgba(225,29,46,.8)} }

.timer-track { height:3px; background:var(--border); margin-top:8px; overflow:hidden; }
.timer-fill { height:100%; background:var(--ember); transition:width 1s linear, background .3s; }

/* ── STRESS STOPWATCH (right of board) ── */
.stopwatch { display:flex; flex-direction:column; align-items:center; gap:8px;
  padding:16px 12px 14px; margin:12px 12px 4px;
  background:var(--surface2); border:1px solid var(--border); border-radius:12px; }
.sw-face { position:relative; width:148px; height:148px; }
.sw-svg { width:100%; height:100%; overflow:visible; display:block; }
.sw-crown { fill:var(--text-muted); }
.sw-stem  { stroke:var(--text-muted); stroke-width:4; }
.sw-body  { fill:var(--surface); stroke:var(--border); stroke-width:2; }
.sw-track-ring { fill:none; stroke:var(--border); stroke-width:7; opacity:.45; }
.sw-prog  { fill:none; stroke:var(--green); stroke-width:7; stroke-linecap:round;
  stroke-dasharray:289.03; stroke-dashoffset:0;
  transition:stroke-dashoffset 1s linear, stroke .3s; }
.sw-hand  { stroke:var(--text); stroke-width:3; stroke-linecap:round;
  transform-box:view-box; transform-origin:60px 66px; transform:rotate(0deg);
  transition:transform 1s linear, stroke .3s; }
.sw-pin   { fill:var(--text); }
.sw-num   { position:absolute; left:0; right:0; top:55%; transform:translateY(-50%);
  text-align:center; font-family:'Antonio',sans-serif; font-weight:700; font-size:46px;
  letter-spacing:1px; color:var(--text); line-height:1; }
.sw-label { font-family:'JetBrains Mono',monospace; font-size:9px; letter-spacing:3px;
  text-transform:uppercase; color:var(--text-muted); }

.stopwatch.warn .sw-prog { stroke:var(--yellow); }
.stopwatch.warn .sw-num  { color:var(--yellow); }
.stopwatch.warn .sw-hand { stroke:var(--yellow); }
.stopwatch.warn .sw-face { animation:swPulse 1s ease-in-out infinite; }

.stopwatch.crit { border-color:var(--red); animation:swGlow .5s ease-in-out infinite; }
.stopwatch.crit .sw-prog { stroke:var(--red); }
.stopwatch.crit .sw-num  { color:var(--red); animation:swNumPulse .5s ease-in-out infinite; }
.stopwatch.crit .sw-hand { stroke:var(--red); }
.stopwatch.crit .sw-face { animation:swShake .12s linear infinite; }

@keyframes swShake { 0%{transform:translate(0,0)} 25%{transform:translate(-2px,1px)} 50%{transform:translate(2px,-1px)} 75%{transform:translate(-1px,-1px)} 100%{transform:translate(1px,1px)} }
@keyframes swPulse { 0%,100%{transform:scale(1)} 50%{transform:scale(1.04)} }
@keyframes swNumPulse { 0%,100%{transform:translateY(-50%) scale(1)} 50%{transform:translateY(-50%) scale(1.18)} }
@keyframes swGlow { 0%,100%{box-shadow:0 0 14px rgba(225,29,46,.3)} 50%{box-shadow:0 0 30px rgba(225,29,46,.7)} }

/* ── BOARD-ATTACHED TIME HUD (unavoidable + adrenaline) ── */
.timehud { display:flex; flex-direction:column; align-items:center; gap:7px; width:min(64vw,580px); margin-top:16px; }
.th-num { font-family:'Antonio',sans-serif; font-weight:700; font-size:50px; line-height:1; color:var(--green); transition:color .3s; font-variant-numeric:tabular-nums; }
.th-bar { width:100%; height:16px; background:var(--surface2); border:1px solid var(--border); border-radius:9px; overflow:hidden; }
.th-fill { height:100%; width:100%; background:var(--green); border-radius:9px; transition:width 1s linear, background .3s; }
.timehud.warn .th-num { color:var(--yellow); }
.timehud.warn .th-fill { background:var(--yellow); }
.timehud.crit .th-num { color:var(--red); animation:thNumPulse .5s ease-in-out infinite; }
.timehud.crit .th-fill { background:var(--red); }

.board-wrap { transition:box-shadow .3s; }
#s-game.time-warn .board-wrap { box-shadow:0 0 0 3px var(--yellow), 0 0 26px rgba(232,163,61,.55); }
#s-game.time-crit .board-wrap { animation:boardCritPulse .5s ease-in-out infinite; }

#time-vignette { position:fixed; inset:0; pointer-events:none; z-index:700; opacity:0; transition:opacity .3s;
  background:radial-gradient(ellipse 120% 120% at 50% 50%, transparent 52%, rgba(255,59,48,0.42) 100%); }
#s-game.time-crit #time-vignette { animation:vigPulse .55s ease-in-out infinite; }

@keyframes thNumPulse { 0%,100%{transform:scale(1)} 50%{transform:scale(1.24)} }
@keyframes boardCritPulse { 0%,100%{box-shadow:0 0 0 3px var(--red), 0 0 18px rgba(255,59,48,.5)} 50%{box-shadow:0 0 0 5px var(--red), 0 0 48px rgba(255,59,48,.95)} }
@keyframes vigPulse { 0%,100%{opacity:.22} 50%{opacity:.85} }

/* Eval */
.eval-outer {
  height:110px; background:var(--obsidian); position:relative;
  overflow:hidden; border:1px solid var(--border);
}
.eval-white { position:absolute; bottom:0; left:0; right:0; background:var(--board-light); transition:height .5s ease; }
.eval-mid { position:absolute; top:50%; left:0; right:0; height:1px; background:var(--border2); }
.eval-num {
  font-family:'JetBrains Mono',monospace; font-size:15px; font-weight:700;
  text-align:center; margin-top:6px; color:var(--text-muted);
}

.bm-track { height:5px; background:var(--border); position:relative; overflow:hidden; margin-top:4px; }
.bm-fill {
  position:absolute; left:0; top:0; bottom:0;
  background:linear-gradient(90deg, var(--mint), var(--ember), var(--crimson));
  width:0%; transition:width .4s ease;
}
.bm-line { position:absolute; top:0; bottom:0; width:2px; background:rgba(255,255,255,.3); left:85%; }
.bm-lbl { display:flex; justify-content:space-between; font-size:9px; color:var(--text-muted); margin-top:4px; font-family:'JetBrains Mono',monospace; }

/* Center board */
.g-center {
  flex:1; display:flex; flex-direction:column; align-items:center; justify-content:center;
  position:relative; overflow:hidden;
  background:radial-gradient(ellipse 70% 70% at 50% 50%, #131820 0%, var(--obsidian) 100%);
}
.board-wrap { position:relative; }

.board {
  display:grid;
  grid-template-columns:repeat(8,1fr); grid-template-rows:repeat(8,1fr);
  width:min(64vw,580px); height:min(64vw,580px);
  border:2px solid var(--border2);
  transition: box-shadow .35s ease;
  /* ambient: slow white breathing pulse around the edges */
  animation: boardIdlePulse 3.4s ease-in-out infinite;
}
@keyframes boardIdlePulse {
  0%,100% { box-shadow: 0 0 18px rgba(245,241,234,.10), 0 0 60px rgba(0,0,0,.6); }
  50%     { box-shadow: 0 0 30px rgba(245,241,234,.30), 0 0 60px rgba(0,0,0,.6); }
}

/* JUDGING — yellow, quicker pulse while the engine decides */
.board.bg-judging {
  animation: boardJudge 0.9s ease-in-out infinite;
}
@keyframes boardJudge {
  0%,100% { box-shadow: 0 0 0 2px rgba(245,197,24,.5), 0 0 28px rgba(245,197,24,.4); }
  50%     { box-shadow: 0 0 0 3px rgba(245,197,24,.9), 0 0 55px rgba(245,197,24,.8); }
}

/* VERDICT — solid glows, scaled by magnitude. animation:none overrides the pulse */
.board.bg-good {
  animation: none;
  box-shadow: 0 0 0 3px var(--mint), 0 0 45px rgba(52,211,153,.55);
}
.board.bg-supergood {
  animation: boardSuperGood 0.5s ease-out;
  box-shadow: 0 0 0 5px var(--mint), 0 0 80px rgba(52,211,153,.95), 0 0 140px rgba(52,211,153,.5);
}
@keyframes boardSuperGood {
  0%   { box-shadow: 0 0 0 3px var(--mint), 0 0 40px rgba(52,211,153,.6); }
  40%  { box-shadow: 0 0 0 8px var(--mint), 0 0 110px rgba(52,211,153,1), 0 0 180px rgba(52,211,153,.7); }
  100% { box-shadow: 0 0 0 5px var(--mint), 0 0 80px rgba(52,211,153,.95), 0 0 140px rgba(52,211,153,.5); }
}
.board.bg-bad {
  animation: none;
  box-shadow: 0 0 0 3px var(--crimson), 0 0 45px rgba(225,29,46,.6);
}
.board.bg-superbad {
  animation: boardSuperBad 0.5s ease-out;
  box-shadow: 0 0 0 6px var(--crimson), 0 0 90px rgba(225,29,46,1), 0 0 160px rgba(225,29,46,.6);
}
@keyframes boardSuperBad {
  0%   { box-shadow: 0 0 0 3px var(--crimson), 0 0 40px rgba(225,29,46,.7); }
  35%  { box-shadow: 0 0 0 10px var(--crimson), 0 0 130px rgba(225,29,46,1), 0 0 220px rgba(225,29,46,.8); }
  100% { box-shadow: 0 0 0 6px var(--crimson), 0 0 90px rgba(225,29,46,1), 0 0 160px rgba(225,29,46,.6); }
}

/* legacy classes kept harmless */
.board.fg { box-shadow:0 0 0 3px var(--ember), 0 0 60px rgba(129,182,76,.4); }
.board.fr { box-shadow:0 0 0 3px var(--crimson), 0 0 60px rgba(225,29,46,.5); }

.sq { display:flex; align-items:center; justify-content:center; position:relative; cursor:pointer; transition:filter .1s; }
.sq.light { background:var(--board-light); }
.sq.dark  { background:var(--board-dark); }
.sq.ssel  { outline:3px solid var(--gold); outline-offset:-3px; }
.sq.slast { background:var(--board-last) !important; }
.sq.sdot::after {
  content:''; position:absolute;
  width:30%; height:30%; border-radius:50%;
  background:rgba(0,0,0,.28); pointer-events:none;
}
.sq.scap::after {
  content:''; position:absolute; inset:0;
  border:4px solid rgba(0,0,0,.28); pointer-events:none;
}
.sq:hover { filter:brightness(1.12); }

/* Pieces — high contrast */
.piece {
  font-size:clamp(28px,4.5vw,44px); line-height:1;
  pointer-events:none; user-select:none;
  transition:transform .08s;
}
.piece.white-piece {
  color:#FFFFFF;
  -webkit-text-stroke: 2px #1a1a1a;
  filter: drop-shadow(0 2px 4px rgba(0,0,0,.9));
}
.piece.black-piece {
  color:#111111;
  -webkit-text-stroke: 2px #FFFFFF;
  filter: drop-shadow(0 2px 4px rgba(0,0,0,.9));
}
.sq:hover .piece { transform:scale(1.08); }

.coord-files, .coord-ranks {
  position:absolute; display:flex;
  font-family:'JetBrains Mono',monospace; font-size:9px; color:var(--text-muted);
}
.coord-files { bottom:-16px; left:0; right:0; justify-content:space-around; }
.coord-ranks { top:0; bottom:0; left:-16px; flex-direction:column; justify-content:space-around; }

/* Right panel */
.g-right {
  width:190px; flex-shrink:0;
  background:var(--surface); border-left:1px solid var(--border);
  display:flex; flex-direction:column;
}
.move-log { flex:1; overflow:hidden; display:flex; flex-direction:column; }
.move-log-head {
  padding:11px 13px; font-size:9px; letter-spacing:3px; text-transform:uppercase;
  color:var(--text-muted); font-family:'JetBrains Mono',monospace;
  border-bottom:1px solid var(--border);
}
.move-log-body { flex:1; overflow-y:auto; padding:6px 8px; }
.mpair {
  display:grid; grid-template-columns:18px 1fr 1fr;
  gap:4px; padding:3px 4px;
  font-family:'JetBrains Mono',monospace; font-size:11px; align-items:center;
}
.mpair:hover { background:var(--surface2); }
.mn { color:var(--text-muted); font-size:10px; }
.mc { color:var(--text); }
.mc.blunder    { color:var(--q-blunder); font-weight:700; }
.mc.inaccuracy { color:var(--q-inaccuracy); }
.mc.good       { color:var(--q-best); }

.cap-area { padding:10px 13px; border-top:1px solid var(--border); }
.cap-row { display:flex; flex-wrap:wrap; gap:1px; font-size:15px; min-height:22px; margin-top:4px; }

.resign-btn {
  background:transparent; border:1px solid var(--border);
  color:var(--text-muted); padding:8px; margin:8px 13px;
  font-family:'JetBrains Mono',monospace; font-size:11px;
  letter-spacing:2px; cursor:pointer; transition:color .15s, border-color .15s;
}
.resign-btn:hover { color:var(--crimson); border-color:var(--crimson); }

/* ════════════════════════════════════════
   RESULT MODAL
════════════════════════════════════════ */
.modal-bg {
  position:fixed; inset:0; z-index:800;
  background:rgba(0,0,0,.9); backdrop-filter:blur(8px);
  display:none; align-items:center; justify-content:center;
}
.modal-bg.show { display:flex; }

.modal {
  background:var(--surface); border:1px solid var(--border2);
  width:440px; max-width:95vw; padding:44px;
  text-align:center; animation:mslide .35s ease;
  box-shadow:0 0 100px rgba(0,0,0,.9), 0 0 0 1px rgba(129,182,76,.1);
}
@keyframes mslide { from{transform:translateY(24px) scale(.95);opacity:0} to{transform:translateY(0) scale(1);opacity:1} }

.modal-knight { font-size:56px; margin-bottom:8px; }
.modal-title {
  font-family:'Antonio',sans-serif; font-size:64px; font-weight:700;
  letter-spacing:6px; margin-bottom:6px; line-height:1;
}
.modal-title.win { color:var(--ember); }
.modal-title.loss { color:var(--crimson); }

.modal-reason {
  font-size:12px; color:var(--text-muted); margin-bottom:20px;
  line-height:1.6; font-family:'JetBrains Mono',monospace;
}

.no-ads-banner {
  background:var(--surface2); border:1px solid var(--ember);
  padding:12px; font-size:12px; color:var(--ember);
  margin-bottom:16px; font-family:'JetBrains Mono',monospace;
  box-shadow:0 0 20px var(--ember-dim);
}

/* Move quality strip — Wordle style */
.quality-strip {
  display:flex; gap:4px; justify-content:center; margin-bottom:20px;
}
.qs-cell {
  width:32px; height:32px; display:flex; align-items:center; justify-content:center;
  font-size:14px; font-weight:700; border-radius:2px;
  font-family:'JetBrains Mono',monospace;
}
.qs-brilliant { background:var(--q-brilliant); color:var(--ink); }
.qs-best      { background:var(--q-best);      color:var(--ink); }
.qs-good      { background:var(--surface3);    color:var(--text); }
.qs-inaccuracy{ background:var(--q-inaccuracy); color:var(--ink); }
.qs-blunder   { background:var(--q-blunder);   color:#fff; }

.share-btn {
  width:100%; background:var(--surface2); color:var(--text-dim);
  border:1px solid var(--border2); padding:10px;
  font-family:'JetBrains Mono',monospace; font-size:11px;
  letter-spacing:3px; cursor:pointer; margin-bottom:16px;
  transition:border-color .15s, color .15s;
}
.share-btn:hover { color:var(--ember); border-color:var(--ember); }

.rating-row {
  display:flex; align-items:center; justify-content:center; gap:16px;
  margin-bottom:24px; background:var(--surface2);
  border:1px solid var(--border); padding:16px 24px;
}
.r-old { font-family:'Antonio',sans-serif; font-size:32px; color:var(--text-muted); }
.r-arrow { color:var(--text-muted); font-size:20px; }
.r-new { font-family:'Antonio',sans-serif; font-size:44px; color:var(--ember); }
.r-delta { font-family:'Antonio',sans-serif; font-size:28px; }
.r-delta.up { color:var(--mint); }
.r-delta.dn { color:var(--crimson); }

.mgs { display:grid; grid-template-columns:1fr 1fr 1fr; gap:8px; margin-bottom:24px; }
.mgs-item { background:var(--surface2); padding:12px; border:1px solid var(--border); }
.mgs-val { font-family:'Antonio',sans-serif; font-size:26px; color:var(--text); letter-spacing:1px; }
.mgs-lbl { font-size:9px; letter-spacing:3px; text-transform:uppercase; color:var(--text-muted); font-family:'JetBrains Mono',monospace; }

.modal-btns { display:flex; gap:10px; }

/* ════════════════════════════════════════
   PROFILE
════════════════════════════════════════ */
#s-profile { flex-direction:column; background:var(--obsidian); overflow-y:auto; }
.prof-body { max-width:720px; margin:40px auto; padding:0 20px; display:flex; flex-direction:column; gap:20px; }
.back-btn {
  background:transparent; border:1px solid var(--border);
  color:var(--text-muted); padding:10px 20px;
  font-family:'Antonio',sans-serif; font-size:18px; font-weight:700;
  letter-spacing:3px; cursor:pointer; align-self:flex-start;
  transition:color .15s, border-color .15s;
}
.back-btn:hover { color:var(--ember); border-color:var(--ember); }
.prof-header {
  display:flex; align-items:center; gap:24px;
  background:var(--surface); border:1px solid var(--border); padding:28px;
}
.prof-avatar {
  width:68px; height:68px; background:var(--ember);
  display:flex; align-items:center; justify-content:center;
  font-family:'Antonio',sans-serif; font-size:34px; font-weight:700;
  color:var(--ink); flex-shrink:0;
}
.prof-name { font-family:'Antonio',sans-serif; font-size:36px; font-weight:700; letter-spacing:2px; }
.prof-rating-big { font-family:'Antonio',sans-serif; font-size:54px; color:var(--ember); letter-spacing:3px; line-height:1; }
.prof-rating-lbl { font-size:10px; letter-spacing:3px; text-transform:uppercase; color:var(--text-muted); font-family:'JetBrains Mono',monospace; }
.stats-grid { display:grid; grid-template-columns:repeat(4,1fr); gap:1px; background:var(--border); border:1px solid var(--border); }
.sg-cell { background:var(--surface); padding:20px 16px; text-align:center; }
.sg-val { font-family:'Antonio',sans-serif; font-size:34px; letter-spacing:2px; color:var(--text); }
.sg-val.ember { color:var(--ember); }
.sg-val.crimson { color:var(--crimson); }
.sg-lbl { font-size:9px; letter-spacing:3px; text-transform:uppercase; color:var(--text-muted); font-family:'JetBrains Mono',monospace; }
.ads-status { background:var(--surface); border:1px solid var(--border); padding:14px 20px; font-size:12px; font-family:'JetBrains Mono',monospace; color:var(--text-muted); }
.ads-status.no-ads { border-color:var(--ember); color:var(--ember); background:var(--ember-dim); }
.rating-chart-box { background:var(--surface); border:1px solid var(--border); padding:20px; }
.chart-title { font-size:10px; letter-spacing:4px; text-transform:uppercase; color:var(--text-muted); font-family:'JetBrains Mono',monospace; margin-bottom:16px; }
.chart-area { height:130px; }
.chart-area svg { width:100%; height:100%; }

.piece {
  width: 88% !important;
  height: 88% !important;
  object-fit: contain !important;
  pointer-events: none !important;
  user-select: none !important;
  filter: drop-shadow(0 1px 3px rgba(0,0,0,.5)) !important;
  transition: transform .08s !important;
  font-size: unset !important;
}
.sq:hover .piece { transform: scale(1.1) !important; }

.timer-big.crit {
  color: var(--crimson) !important;
  animation: crit-shake .2s infinite, crit-pulse 0.4s ease-in-out infinite alternate !important;
}
@keyframes crit-pulse {
  from { text-shadow: 0 0 10px rgba(225,29,46,.4), 0 0 30px rgba(225,29,46,.2); }
  to   { text-shadow: 0 0 20px rgba(225,29,46,.9), 0 0 60px rgba(225,29,46,.5); }
}
.timer-big.warn {
  color: var(--ember) !important;
  animation: warn-pulse 0.6s ease-in-out infinite alternate !important;
}
@keyframes warn-pulse {
  from { text-shadow: 0 0 8px rgba(129,182,76,.3); }
  to   { text-shadow: 0 0 16px rgba(129,182,76,.7); }
}
.modal-title.win {
  color: var(--ember) !important;
  text-shadow: 0 0 40px rgba(129,182,76,.6);
  animation: win-glow 1s ease-in-out infinite alternate;
}
@keyframes win-glow {
  from { text-shadow: 0 0 20px rgba(129,182,76,.4); }
  to   { text-shadow: 0 0 60px rgba(129,182,76,.9), 0 0 100px rgba(129,182,76,.3); }
}
.modal-title.loss {
  color: var(--crimson) !important;
  text-shadow: 0 0 40px rgba(225,29,46,.6);
}

/* ════════════════════════════════════════
   DRAMATIC TIMER (overrides)
════════════════════════════════════════ */
.timer-display {
  font-family: 'JetBrains Mono', monospace !important;
  font-weight: 700 !important;
  font-size: 88px !important;
  line-height: 1 !important;
  text-align: center !important;
  transition: color 0.2s, transform 0.1s !important;
  letter-spacing: -2px !important;
}
.timer-display.ok {
  color: #F5F1EA !important;
  text-shadow: 0 0 20px rgba(245, 241, 234, 0.2);
}
.timer-display.warn {
  color: #81B64C !important;
  text-shadow: 0 0 15px rgba(129, 182, 76, 0.5), 0 0 30px rgba(129, 182, 76, 0.3);
  animation: timerWarn 0.5s ease-in-out infinite alternate;
}
.timer-display.crit {
  color: #E11D2E !important;
  text-shadow: 0 0 20px rgba(225, 29, 46, 0.9), 0 0 50px rgba(225, 29, 46, 0.6), 0 0 80px rgba(225, 29, 46, 0.3);
  animation: timerCrit 0.3s ease-in-out infinite;
}
@keyframes timerWarn {
  from { transform: scale(1); }
  to   { transform: scale(1.05); }
}
@keyframes timerCrit {
  0%, 100% { transform: scale(1) translateX(0); }
  25%      { transform: scale(1.08) translateX(-3px); }
  75%      { transform: scale(1.08) translateX(3px); }
}

/* Make timer track thicker and glow */
.timer-track {
  height: 6px !important;
  background: rgba(255, 255, 255, 0.08) !important;
  margin-top: 12px !important;
  border-radius: 3px !important;
  overflow: hidden !important;
}
.timer-fill {
  height: 100% !important;
  border-radius: 3px !important;
  transition: width 1s linear, background 0.3s, box-shadow 0.3s !important;
}

/* ════════════════════════════════════════
   DANGER METER (way more obvious)
════════════════════════════════════════ */
.bm-track {
  height: 14px !important;
  background: rgba(255, 255, 255, 0.06) !important;
  position: relative;
  overflow: hidden !important;
  margin-top: 8px !important;
  border-radius: 3px !important;
  border: 1px solid rgba(129, 182, 76, 0.15) !important;
  box-shadow: inset 0 2px 8px rgba(0, 0, 0, 0.5) !important;
}
.bm-fill {
  position: absolute !important;
  left: 0 !important; top: 0 !important; bottom: 0 !important;
  background: linear-gradient(90deg,
    #34D399 0%,
    #F5C518 40%,
    #81B64C 70%,
    #E11D2E 100%) !important;
  width: 0% !important;
  transition: width 0.6s cubic-bezier(0.34, 1.56, 0.64, 1) !important;
  box-shadow: 0 0 12px rgba(129, 182, 76, 0.5) !important;
}
.bm-fill.danger {
  animation: dangerPulse 0.6s ease-in-out infinite alternate;
}
@keyframes dangerPulse {
  from { box-shadow: 0 0 12px rgba(225, 29, 46, 0.5); }
  to   { box-shadow: 0 0 28px rgba(225, 29, 46, 1), 0 0 50px rgba(225, 29, 46, 0.5); }
}
.bm-line {
  position: absolute !important;
  top: -4px !important; bottom: -4px !important;
  width: 2px !important;
  background: var(--text-dim) !important;
  left: 75% !important;
  box-shadow: 0 0 8px rgba(255, 255, 255, 0.5);
  z-index: 2;
}
.bm-lbl {
  display: flex !important;
  justify-content: space-between !important;
  font-size: 9px !important;
  color: #A1A1AA !important;
  margin-top: 6px !important;
  font-family: 'JetBrains Mono', monospace !important;
  letter-spacing: 2px !important;
  text-transform: uppercase !important;
}
.bm-lbl span:last-child {
  color: #E11D2E !important;
  font-weight: 700 !important;
}

/* ════════════════════════════════════════
   COUNTDOWN ANIMATION
════════════════════════════════════════ */
@keyframes cdPop {
  0%   { transform: scale(0.5); opacity: 0; }
  30%  { transform: scale(1.2); opacity: 1; }
  100% { transform: scale(1); opacity: 1; }
}

/* ════════════════════════════════════════
   DRAMATIC BLUNDER/WIN VISUAL EFFECTS
════════════════════════════════════════ */
@keyframes blunderShake {
  0%, 100% { transform: translate(0, 0) rotate(0deg); }
  10% { transform: translate(-8px, 4px) rotate(-1deg); }
  20% { transform: translate(8px, -4px) rotate(1deg); }
  30% { transform: translate(-8px, -4px) rotate(-1deg); }
  40% { transform: translate(8px, 4px) rotate(1deg); }
  50% { transform: translate(-4px, 2px) rotate(0deg); }
  60% { transform: translate(4px, -2px) rotate(0deg); }
  70% { transform: translate(-2px, 1px) rotate(0deg); }
  80% { transform: translate(2px, -1px) rotate(0deg); }
  90% { transform: translate(-1px, 0) rotate(0deg); }
}
.blunder-flash {
  position: fixed; inset: 0; z-index: 9000; pointer-events: none;
  background: radial-gradient(ellipse at center, rgba(225,29,46,0.4) 0%, rgba(225,29,46,0.1) 60%, transparent 100%);
  animation: blunderShake 0.5s ease-in-out;
}
.blunder-text {
  position: fixed; top: 50%; left: 50%; transform: translate(-50%, -50%);
  font-family: 'Antonio', sans-serif; font-size: 180px; font-weight: 700;
  color: #E11D2E; text-shadow: 0 0 60px rgba(225,29,46,0.9), 0 0 120px rgba(225,29,46,0.5);
  letter-spacing: 8px; z-index: 9001; pointer-events: none;
  animation: blunderPop 1s ease-out forwards;
}
@keyframes blunderPop {
  0%   { transform: translate(-50%, -50%) scale(0.3); opacity: 0; }
  20%  { transform: translate(-50%, -50%) scale(1.3); opacity: 1; }
  60%  { transform: translate(-50%, -50%) scale(1); opacity: 1; }
  100% { transform: translate(-50%, -50%) scale(0.8); opacity: 0; }
}
.good-flash {
  position: fixed; inset: 0; z-index: 9000; pointer-events: none;
  background: radial-gradient(ellipse at center, rgba(129,182,76,0.25) 0%, transparent 70%);
  animation: goodPulse 0.5s ease-out;
}
.good-text {
  position: fixed; top: 30%; left: 50%; transform: translate(-50%, -50%);
  font-family: 'Antonio', sans-serif; font-size: 80px; font-weight: 700;
  color: #81B64C; text-shadow: 0 0 40px rgba(129,182,76,0.8);
  letter-spacing: 6px; z-index: 9001; pointer-events: none;
  animation: goodFloat 1s ease-out forwards;
}
@keyframes goodPulse {
  0%   { opacity: 0; }
  30%  { opacity: 1; }
  100% { opacity: 0; }
}
@keyframes goodFloat {
  0%   { transform: translate(-50%, -30%) scale(0.5); opacity: 0; }
  20%  { transform: translate(-50%, -50%) scale(1.1); opacity: 1; }
  100% { transform: translate(-50%, -80%) scale(0.9); opacity: 0; }
}

/* ════════════════════════════════════════
   BLUNDER SUBTEXT
════════════════════════════════════════ */
.blunder-sub {
  position: fixed;
  top: 65%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-family: 'JetBrains Mono', monospace;
  font-size: 18px;
  color: rgba(225, 29, 46, 0.85);
  text-transform: uppercase;
  letter-spacing: 4px;
  z-index: 9001;
  pointer-events: none;
  animation: blunderSubFade 2.5s ease-out forwards;
}
@keyframes blunderSubFade {
  0%   { opacity: 0; transform: translate(-50%, -30%); }
  20%  { opacity: 0; }
  40%  { opacity: 1; transform: translate(-50%, -50%); }
  80%  { opacity: 1; transform: translate(-50%, -50%); }
  100% { opacity: 0; transform: translate(-50%, -70%); }
}






/* ════════════════════════════════════════
   JUDGING COUNTDOWN + VERDICT FLASH
════════════════════════════════════════ */
#s-game.judging-cut .game-body > *:not(.g-center),
#s-game.judging-cut .board-wrap,
#s-game.judging-cut .game-nav {
  opacity: 0; transition: opacity 0.12s ease;
}
#s-game.judging-cut .g-center { background: transparent; }

#countdown-overlay {
  position: fixed; inset: 0; z-index: 880;
  display: flex; align-items: center; justify-content: center;
  pointer-events: none; opacity: 0; transition: opacity 0.12s ease;
}
#countdown-overlay.show { opacity: 1; }
#countdown-num {
  font-family: 'Antonio', sans-serif; font-weight: 700;
  font-size: clamp(120px, 22vw, 240px); line-height: 1;
  color: var(--ember); text-shadow: 0 0 60px rgba(129,182,76,0.5);
}
#countdown-num.pop { animation: cdPop 0.4s cubic-bezier(.2,.8,.3,1); }
@keyframes cdPop {
  0%   { transform: scale(0.4); opacity: 0; }
  40%  { transform: scale(1.15); opacity: 1; }
  100% { transform: scale(1); opacity: 1; }
}

.verdict-flash {
  position: fixed; inset: 0; z-index: 905; pointer-events: none;
  animation: verdictFlashAnim 0.5s ease-out forwards;
}
.verdict-flash.green { background: radial-gradient(ellipse at center, rgba(52,211,153,0.45) 0%, transparent 70%); }
.verdict-flash.red   { background: radial-gradient(ellipse at center, rgba(225,29,46,0.55) 0%, transparent 70%); }
@keyframes verdictFlashAnim {
  0% { opacity: 0; } 25% { opacity: 1; } 100% { opacity: 0; }
}

.sq.verdict-safe::before {
  content: ''; position: absolute; inset: 0; z-index: 40;
  background: radial-gradient(circle at center, rgba(52,211,153,0.55) 0%, transparent 70%);
  animation: safePulse 0.6s ease-out forwards; pointer-events: none;
}
@keyframes safePulse {
  0% { opacity: 0; transform: scale(0.6); }
  35% { opacity: 1; transform: scale(1.05); }
  100% { opacity: 0; transform: scale(1.2); }
}

.piece.exploding-piece {
  animation: pieceBoom 0.4s cubic-bezier(.4,0,.2,1) forwards !important;
  z-index: 60 !important;
}
@keyframes pieceBoom {
  0% { transform: scale(1.0); opacity: 1; }
  30% { transform: scale(1.8); opacity: 1; filter: brightness(2) drop-shadow(0 0 30px #E11D2E); }
  100% { transform: scale(0.2); opacity: 0; }
}
.explosion {
  position: absolute; inset: 0; z-index: 55;
  pointer-events: none; display: flex; align-items: center; justify-content: center;
}
.shockwave {
  position: absolute; width: 20%; height: 20%; border-radius: 50%;
  border: 3px solid #E11D2E; animation: shockwave 0.7s ease-out forwards;
}
@keyframes shockwave {
  0% { transform: scale(0.4); opacity: 0.95; border-width: 5px; }
  100% { transform: scale(6); opacity: 0; border-width: 1px; }
}
.shard {
  position: absolute; width: 6px; height: 6px; border-radius: 1px;
  background: #E11D2E; top: 50%; left: 50%;
  animation: shard 0.8s cubic-bezier(.2,.6,.3,1) forwards;
}
@keyframes shard {
  0% { transform: translate(-50%, -50%) rotate(0deg); opacity: 1; }
  100% { transform: translate(calc(-50% + var(--dx)), calc(-50% + var(--dy))) rotate(var(--rot)); opacity: 0; }
}

/* ── BLUNDER SHATTER ── */
.shatter-shake { animation: shatterShake 0.6s cubic-bezier(.36,.07,.19,.97); }
@keyframes shatterShake {
  0%,100% { transform: translate(0,0); }
  10% { transform: translate(-12px,6px) rotate(-1deg); }
  20% { transform: translate(14px,-8px) rotate(1.5deg); }
  30% { transform: translate(-16px,4px) rotate(-1deg); }
  40% { transform: translate(12px,8px) rotate(1deg); }
  50% { transform: translate(-10px,-6px); }
  60% { transform: translate(8px,4px); }
  70% { transform: translate(-6px,2px); }
  80% { transform: translate(4px,-2px); }
}
.shatter-overlay {
  position: fixed; z-index: 9500; pointer-events: none;
}
.shatter-overlay svg { width: 100%; height: 100%; overflow: visible; }
.shatter-overlay g path {
  stroke-dasharray: 200; stroke-dashoffset: 200;
  animation: crackDraw 0.25s ease-out forwards;
  filter: drop-shadow(0 0 3px rgba(255,255,255,.8));
}
@keyframes crackDraw { to { stroke-dashoffset: 0; } }
.shatter-frags { position: fixed; z-index: 9400; pointer-events: none; }
.frag {
  position: absolute; width: 12%; height: 12%;
  background: linear-gradient(135deg, #3a2e26, #2c3340);
  border: 1px solid rgba(255,255,255,.15);
  opacity: 0;
  animation: fragFly 1.3s cubic-bezier(.4,0,.7,1) forwards;
  animation-delay: var(--fd, 0s);
}
@keyframes fragFly {
  0% { opacity: 1; transform: translate(0,0) rotate(0deg); }
  100% { opacity: 0; transform: translate(var(--fx), var(--fy)) rotate(var(--fr)); }
}

/* ── BLUNDER REPLAY ── */
.replay-label {
  position: fixed; top: 12%; left: 50%; transform: translateX(-50%) translateY(-10px);
  font-family: 'JetBrains Mono', monospace; font-size: 18px; letter-spacing: 2px;
  color: #34D399; background: rgba(14,17,22,.92);
  padding: 12px 24px; border: 1px solid #34D399; border-radius: 4px;
  z-index: 9600; opacity: 0; pointer-events: none;
  transition: opacity .25s ease, transform .25s ease;
  box-shadow: 0 0 30px rgba(52,211,153,.4);
}
.replay-label.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.sq.best-from::after {
  content: ''; position: absolute; inset: 0; z-index: 30;
  background: radial-gradient(circle, rgba(52,211,153,.5) 0%, transparent 70%);
  animation: bestPulse 0.9s ease-in-out infinite;
}
.sq.best-to {
  outline: 4px solid #34D399; outline-offset: -4px;
  box-shadow: inset 0 0 30px rgba(52,211,153,.6);
  animation: bestPulse 0.9s ease-in-out infinite;
}
@keyframes bestPulse { 0%,100% { opacity: .55; } 50% { opacity: 1; } }

/* ════════════════════════════════════════
   BLUNDER EFFECTS (random selection)
════════════════════════════════════════ */

/* MELT */
.melting-piece { animation: meltPiece 1.1s ease-in forwards !important; transform-origin: center bottom; }
@keyframes meltPiece {
  0% { transform: scaleY(1); opacity: 1; filter: none; }
  40% { transform: scaleY(1.1) scaleX(0.9); }
  100% { transform: scaleY(0.1) scaleX(1.3); opacity: 0; filter: blur(3px); }
}
.melt-drips { position: absolute; inset: 0; pointer-events: none; z-index: 56; overflow: hidden; }
.melt-drip {
  position: absolute; top: 30%; width: 8%; border-radius: 0 0 50% 50%;
  background: linear-gradient(180deg, #E11D2E, #7a0f18); height: 0;
  animation: dripFall 1.1s ease-in forwards; animation-delay: var(--mdelay, 0s);
}
@keyframes dripFall {
  0% { height: 0; opacity: 0.9; }
  100% { height: var(--mh, 60%); opacity: 0; }
}

/* BLOOD */
.blood-pool {
  position: absolute; inset: 0; z-index: 54; pointer-events: none; border-radius: 4px;
  background: radial-gradient(circle at 50% 50%, rgba(140,15,20,0.95) 0%, rgba(120,12,18,0.7) 55%, transparent 80%);
  transform: scale(0); animation: bloodPool 0.7s ease-out forwards;
}
@keyframes bloodPool { 0% { transform: scale(0); } 100% { transform: scale(1.1); } }
.blood-spread {
  position: absolute; inset: 0; z-index: 53; pointer-events: none;
  background: radial-gradient(circle at 50% 50%, rgba(140,15,20,0.7) 0%, transparent 70%);
  transform: scale(0); opacity: 0;
  animation: bloodSpread 1.2s ease-out forwards; animation-delay: var(--bdelay, 0s);
}
@keyframes bloodSpread {
  0% { transform: scale(0); opacity: 0; }
  40% { opacity: 1; }
  100% { transform: scale(1); opacity: 0.85; }
}

/* TILT */
.board.board-tilt {
  animation: boardTilt 1.4s cubic-bezier(.5,0,.5,1) forwards;
  transform-style: preserve-3d; perspective: 800px;
}
@keyframes boardTilt {
  0% { transform: rotateX(0) rotateZ(0); }
  30% { transform: rotateX(45deg) rotateZ(-8deg); }
  100% { transform: rotateX(78deg) rotateZ(-14deg) translateY(40px); opacity: 0.6; }
}
.piece-sliding {
  animation: pieceSlide 1.4s cubic-bezier(.4,0,.8,1) forwards !important;
  animation-delay: var(--sdelay, 0s);
}
@keyframes pieceSlide {
  0% { transform: translateY(0) translateX(0) rotate(0); opacity: 1; }
  100% { transform: translateY(120px) translateX(var(--slidex, 0)) rotate(40deg); opacity: 0; }
}

/* IMPLODE */
.implode-hole {
  position: absolute; inset: 0; z-index: 57; pointer-events: none; border-radius: 50%;
  background: radial-gradient(circle at 50% 50%, #000 0%, #1a0008 40%, transparent 75%);
  transform: scale(0.2); animation: implodeHole 1.2s cubic-bezier(.6,0,.4,1) forwards;
  box-shadow: 0 0 30px rgba(0,0,0,.9);
}
@keyframes implodeHole {
  0% { transform: scale(0.2); opacity: 0; }
  40% { transform: scale(1); opacity: 1; }
  100% { transform: scale(0.4); opacity: 0; }
}
.imploding-piece { animation: implodePiece 1.0s cubic-bezier(.6,0,.4,1) forwards !important; z-index: 58 !important; }
@keyframes implodePiece {
  0% { transform: scale(1) rotate(0); opacity: 1; }
  100% { transform: scale(0) rotate(360deg); opacity: 0; }
}
.pulled-piece {
  animation: pullPiece 1.0s cubic-bezier(.5,0,.4,1) forwards !important;
}
@keyframes pullPiece {
  0% { transform: translate(0,0) scale(1); }
  100% { transform: translate(var(--pullx,0), var(--pully,0)) scale(0.6); opacity: 0.3; }
}

/* ════════════════════════════════════════
   GOOD-MOVE EFFECTS (tiered)
════════════════════════════════════════ */
.sparkle-wrap { position: absolute; inset: 0; pointer-events: none; z-index: 58; overflow: visible; }
.sparkle {
  position: absolute; bottom: 30%; width: var(--ssz, 5px); height: var(--ssz, 5px);
  border-radius: 50%; opacity: 0;
  animation: sparkleRise 1.2s ease-out forwards; animation-delay: var(--sdel, 0s);
}
.sparkle.green { background: #34D399; box-shadow: 0 0 8px #34D399; }
.sparkle.gold  { background: #F5C518; box-shadow: 0 0 10px #F5C518; }
@keyframes sparkleRise {
  0% { transform: translate(0,0) scale(0); opacity: 0; }
  25% { opacity: 1; transform: translate(0,0) scale(1.2); }
  100% { transform: translate(var(--sx,0), calc(-1 * var(--sup,50px))) scale(0); opacity: 0; }
}

/* GOOD text (reuse existing .good-text styling if present, this is a fallback) */
.good-text {
  position: fixed; top: 30%; left: 50%; transform: translate(-50%, -50%);
  font-family: 'Antonio', sans-serif; font-size: 80px; font-weight: 700;
  color: #34D399; text-shadow: 0 0 40px rgba(52,211,153,0.8);
  letter-spacing: 6px; z-index: 9001; pointer-events: none;
  animation: goodFloat 1s ease-out forwards;
}

/* BRILLIANT */
.brilliant-edge {
  position: fixed; inset: 0; z-index: 9000; pointer-events: none;
  box-shadow: inset 0 0 120px 20px rgba(245,197,24,0.5);
  animation: brillEdge 1.6s ease-out forwards;
}
@keyframes brillEdge {
  0% { opacity: 0; } 25% { opacity: 1; } 100% { opacity: 0; }
}
.brilliant-text {
  position: fixed; top: 38%; left: 50%; transform: translate(-50%, -50%);
  font-family: 'Antonio', sans-serif; font-size: 130px; font-weight: 700;
  color: #F5C518; text-shadow: 0 0 50px rgba(245,197,24,0.9), 0 0 100px rgba(245,197,24,0.5);
  letter-spacing: 8px; z-index: 9001; pointer-events: none;
  animation: brillPop 1.6s cubic-bezier(.2,.8,.3,1) forwards;
}
@keyframes brillPop {
  0% { transform: translate(-50%,-50%) scale(0.4); opacity: 0; }
  20% { transform: translate(-50%,-50%) scale(1.15); opacity: 1; }
  70% { transform: translate(-50%,-50%) scale(1); opacity: 1; }
  100% { transform: translate(-50%,-50%) scale(1.1); opacity: 0; }
}
.brilliant-sub {
  position: fixed; top: 52%; left: 50%; transform: translate(-50%, -50%);
  font-family: 'JetBrains Mono', monospace; font-size: 18px;
  color: rgba(245,197,24,0.9); text-transform: uppercase; letter-spacing: 4px;
  z-index: 9001; pointer-events: none;
  animation: brillSub 1.6s ease-out forwards;
}
@keyframes brillSub {
  0% { opacity: 0; } 30% { opacity: 0; } 50% { opacity: 1; } 85% { opacity: 1; } 100% { opacity: 0; }
}


/* ════════════════════════════════════════
   RESPONSIVE / MOBILE  (<= 820px)
   Stacks the 3-column desktop layout into one
   scrollable column: board on top, info below.
════════════════════════════════════════ */
@media (max-width: 820px) {
  html, body { height:auto; min-height:100%; overflow-x:hidden; overflow-y:auto; }
  .screen { height:auto; min-height:100vh; min-height:100dvh; overflow:visible; }

  .ad { max-width:100% !important; }
  .nav .ad, .game-nav .ad { display:none; }
  .nav-stats { display:none; }

  .game-body { flex-direction:column; overflow:visible; height:auto; }
  .g-center { order:-1; flex:none; padding:12px 18px 26px; overflow:visible; min-height:0; }
  .board { width:min(92vw,520px); height:min(92vw,520px); }

  .g-left, .g-right {
    width:100%; flex:none;
    border-left:none; border-right:none; border-top:1px solid var(--border);
  }
  .g-left { display:grid; grid-template-columns:1fr 1fr; }
  .g-left .gs { border-right:1px solid var(--border); }
  .timer-display { font-size:48px; }
  .eval-outer { height:84px; }

  .move-log { flex:none; }
  .move-log-body { max-height:200px; }

  .lobby-body { flex-direction:column; overflow:visible; }
  .lobby-main { padding:28px 18px; gap:24px; }
  .lobby-sidebar { width:100%; border-left:none; border-top:1px solid var(--border); }
  .find-btn { width:100%; max-width:340px; padding:18px 32px; font-size:28px; }

  .login-card { width:100%; max-width:400px; margin:0 16px; padding:32px 22px 28px; }

  #s-profile { overflow-y:auto; }
  .prof-body { padding:18px; width:100%; }

  .modal-bg { overflow-y:auto; padding:16px; }
  .modal { width:100%; max-width:92vw; }
}

@media (max-width: 430px) {
  .game-nav, .nav { padding:0 12px; gap:10px; }
  .game-nav-wordmark, .nav-wordmark { font-size:18px; }
  .board { width:min(94vw,460px); height:min(94vw,460px); }
  .g-left { grid-template-columns:1fr; }
  .find-btn { font-size:24px; padding:16px 24px; }
}