:root{--bg-1: #fef6ec;--bg-2: #f3e7d8;--ink: #3a2f28;--ink-soft: #7a6a5d;--panel: #fffdf9;--line: #ecdfce;--gold-1: #ffd77a;--gold-2: #e6a437;--gold-3: #a5691a;--accent: #3a86ff;--accent-dk: #1f5fd1;--shadow-lg: 0 18px 40px rgba(90, 60, 20, .16);--shadow-md: 0 6px 16px rgba(90, 60, 20, .12);--coin-size: 60px;font-family:ui-rounded,Segoe UI Rounded,SF Pro Rounded,Nunito,system-ui,-apple-system,sans-serif;color:var(--ink)}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:radial-gradient(1200px 700px at 20% -10%,#fff7ec,transparent),linear-gradient(160deg,var(--bg-1),var(--bg-2));overflow:hidden}.app{height:100%;display:flex;flex-direction:column}.topbar{display:flex;align-items:center;justify-content:space-between;padding:12px 22px;background:#fffdf9d9;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-bottom:1px solid var(--line);box-shadow:0 2px 12px #5a3c140f;z-index:5}.brand{display:flex;align-items:baseline;gap:10px}.brand-logo{font-size:26px}.brand-name{font-size:24px;font-weight:900;letter-spacing:-.5px}.brand-sub{color:var(--ink-soft);font-size:14px;font-weight:600}.top-actions{display:flex;gap:10px}.panes{flex:1;display:flex;min-height:0}.canvas-pane{flex:1;display:flex;flex-direction:column;min-width:0;padding:10px 16px 16px}.history-pane{width:330px;flex-shrink:0;border-left:1px solid var(--line);background:var(--panel);overflow-y:auto;padding:14px}.canvas{flex:1;position:relative;display:flex;flex-direction:column;min-height:0}.canvas-readonly{filter:saturate(.9)}.canvas-readonly .coin{cursor:default}.scale-region{flex-shrink:0;display:flex;justify-content:center;min-height:320px;padding-top:6px}.scale{--tilt: 0deg;position:relative;width:min(560px,96%);height:300px}.scale-base{position:absolute;bottom:12px;left:50%;transform:translate(-50%);width:180px;height:26px;border-radius:50%;background:radial-gradient(ellipse at 50% 30%,#c9973f,#8a5f1e 70%,#6f4a13);box-shadow:0 10px 18px #5a3c1440}.scale-stand{position:absolute;bottom:22px;left:50%;transform:translate(-50%);width:16px;height:210px;border-radius:8px;background:linear-gradient(90deg,#8a5f1e,#d3a24d 45%,#f0cf8a 55%,#a5691a)}.pivot{position:absolute;top:52px;left:50%;transform:translate(-50%);width:0;height:0;border-left:22px solid transparent;border-right:22px solid transparent;border-bottom:30px solid #b9812f;filter:drop-shadow(0 3px 3px rgba(0,0,0,.2))}.beam{position:absolute;top:66px;left:50%;width:360px;height:16px;margin-left:-180px;border-radius:10px;background:linear-gradient(180deg,#ffe6a8,#e6a437 55%,#a5691a);box-shadow:0 3px 8px #5a3c1440,inset 0 2px 2px #fff9;transform-origin:center center;transform:rotate(var(--tilt));transition:transform .7s cubic-bezier(.34,1.4,.5,1);z-index:3}.beam-cap{position:absolute;top:50%;width:22px;height:22px;border-radius:50%;transform:translateY(-50%);background:radial-gradient(circle at 35% 30%,#fff0cf,#e6a437 60%,#8a5f1e);box-shadow:inset 0 1px 2px #fff9}.beam-cap-left{left:-11px}.beam-cap-right{right:-11px}.arm{position:absolute;top:8px;display:flex;flex-direction:column;align-items:center;transform-origin:top center;transform:translate(-50%) rotate(calc(-1 * var(--tilt)));transition:transform .7s cubic-bezier(.34,1.4,.5,1)}.arm-left{left:0}.arm-right{left:360px}.chain{width:3px;height:74px;background:repeating-linear-gradient(180deg,#c9973f 0,#c9973f 5px,#8a5f1e 5px,#8a5f1e 8px);border-radius:2px}.pan{width:188px;display:flex;justify-content:center}.pan-tray{width:100%;min-height:96px;padding:12px;border-radius:16px 16px 44px 44px/16px 16px 30px 30px;background:linear-gradient(180deg,#fff6e6,#f3e2c2 60%,#e7cd9f);border:2px solid #d9b479;box-shadow:var(--shadow-md),inset 0 3px 8px #ffffffb3,inset 0 -8px 14px #966e322e;display:flex;flex-wrap:wrap;gap:8px;align-content:center;justify-content:center;transition:box-shadow .2s ease}.pan-hint{font-size:30px;font-weight:900;color:#966e3259}.pan-filled .pan-tray{background:linear-gradient(180deg,#fff9ef,#efdcbb 60%,#e2c48f)}.pool-region{flex:1;position:relative;margin-top:8px;border-radius:20px;background:repeating-linear-gradient(45deg,#ffffff59 0,#ffffff59 12px,#ffffff26 12px,#ffffff26 24px),linear-gradient(180deg,#f7ead6,#efe0c9);border:2px dashed #dcc7a6;box-shadow:inset 0 4px 14px #966e321f;min-height:180px;overflow:hidden}.coin{width:var(--coin-size);height:var(--coin-size);border-radius:50%;position:relative;display:grid;place-items:center;cursor:grab;-webkit-user-select:none;user-select:none;touch-action:none;color:#fff;font-weight:800;font-size:25px;box-shadow:0 5px 10px #5a3c1447,inset 0 3px 5px #ffffff8c,inset 0 -7px 11px #00000038;transition:transform .12s ease,box-shadow .12s ease}.coin:hover{transform:translateY(-2px)}.coin:active{cursor:grabbing}.coin-rim{position:absolute;top:5px;right:5px;bottom:5px;left:5px;border-radius:50%;border:2px dashed rgba(255,255,255,.4);pointer-events:none}.coin-face{position:relative;z-index:2;text-shadow:0 1px 2px rgba(0,0,0,.3)}.coin-red{background:radial-gradient(circle at 35% 28%,#ff9a9a,#e63946 55%,#a71d29)}.coin-green{background:radial-gradient(circle at 35% 28%,#86e6cb,#2a9d8f 55%,#176055)}.coin-blue{background:radial-gradient(circle at 35% 28%,#9cc0ff,#3a86ff 55%,#1c52b3)}.coin-yellow{background:radial-gradient(circle at 35% 28%,#fff0b0,#ffb703 55%,#c07f00);color:#6a4a00}.coin-yellow .coin-face{text-shadow:0 1px 1px rgba(255,255,255,.5)}.coin-yellow .coin-rim{border-color:#7850004d}.coin-dimmed{opacity:.25}.coin-selected{transform:translateY(-2px) scale(1.06);box-shadow:0 0 0 4px var(--accent),0 0 18px #3a86ffb3,0 6px 12px #00000040}.coin-revealed{animation:revealPulse 1s ease-in-out infinite}@keyframes revealPulse{0%,to{box-shadow:0 0 0 4px #ffd166,0 0 14px #ffd166b3}50%{box-shadow:0 0 0 7px #ffb703,0 0 26px #ffb703f2}}.coin-star{position:absolute;top:-8px;right:-6px;z-index:3;font-size:20px;color:#ffb703;text-shadow:0 1px 2px rgba(0,0,0,.35)}.drag-layer{position:fixed;z-index:1000;pointer-events:none}.coin-dragging{transform:scale(1.14) rotate(-4deg);box-shadow:0 16px 26px #5a3c1466,inset 0 3px 5px #ffffff8c;cursor:grabbing}.picker-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:1500}.picker{position:fixed;z-index:1600;transform:translate(-50%,calc(-100% - 16px));display:flex;gap:8px;padding:8px;background:#fff;border-radius:14px;box-shadow:var(--shadow-lg);border:1px solid var(--line)}.picker:after{content:"";position:absolute;bottom:-7px;left:50%;transform:translate(-50%) rotate(45deg);width:14px;height:14px;background:#fff;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}.swatch{width:30px;height:30px;border-radius:50%;border:2px solid rgba(0,0,0,.08);cursor:pointer;transition:transform .1s ease}.swatch:hover{transform:scale(1.15)}.swatch-red{background:radial-gradient(circle at 35% 30%,#ff9a9a,#e63946)}.swatch-green{background:radial-gradient(circle at 35% 30%,#86e6cb,#2a9d8f)}.swatch-blue{background:radial-gradient(circle at 35% 30%,#9cc0ff,#3a86ff)}.swatch-yellow{background:radial-gradient(circle at 35% 30%,#fff0b0,#ffb703)}.result-banner{align-self:center;margin-top:10px;padding:8px 20px;border-radius:999px;font-weight:800;font-size:15px;color:#fff;box-shadow:var(--shadow-md)}.result-left,.result-right{background:linear-gradient(90deg,#f4795b,#e6533a)}.result-balance{background:linear-gradient(90deg,#43aa8b,#2a9d8f)}.weigh-hint{align-self:center;margin-top:8px;color:var(--ink-soft);font-weight:600;font-size:14px}.actionbar{margin-top:12px;display:flex;align-items:center;justify-content:center;gap:14px;flex-wrap:wrap}.viewing-tag{font-weight:800;color:var(--accent-dk)}.gameover-tag{font-weight:900;font-size:18px}.claim-prompt{font-weight:700;font-size:16px}.claim-coin{color:var(--accent-dk)}.weigh-counter{display:inline-flex;align-items:center;gap:6px;font-weight:700;color:var(--ink-soft)}.pip{width:12px;height:12px;border-radius:50%;background:#e4d3ba;box-shadow:inset 0 1px 2px #00000026}.pip.used{background:radial-gradient(circle at 35% 30%,var(--gold-1),var(--gold-2))}.weigh-counter.spent .weigh-counter-text{color:#e6533a}.btn{border:none;border-radius:12px;padding:10px 18px;font-size:15px;font-weight:800;font-family:inherit;cursor:pointer;transition:transform .1s ease,box-shadow .1s ease,filter .1s ease;color:#fff;background:#b9a892}.btn:hover{transform:translateY(-1px)}.btn:active{transform:translateY(1px)}.btn:disabled{opacity:.45;cursor:not-allowed;transform:none}.btn-primary{background:linear-gradient(180deg,#4c93ff,var(--accent-dk));box-shadow:var(--shadow-md)}.btn-ghost{background:transparent;color:var(--ink-soft);border:2px solid var(--line)}.btn-weigh{font-size:18px;padding:13px 30px;background:linear-gradient(180deg,#ffce6b,var(--gold-2));color:#5a3d00;box-shadow:0 8px 18px #e6a43766}.btn-guess{background:linear-gradient(180deg,#7bd3bf,#2a9d8f);box-shadow:var(--shadow-md)}.btn-heavy{background:linear-gradient(180deg,#f4795b,#e6533a)}.btn-light{background:linear-gradient(180deg,#7fb2ff,#3a86ff)}.history h2{margin:4px 4px 12px;font-size:18px;font-weight:900}.hist-item{display:block;width:100%;text-align:left;margin-bottom:10px;padding:12px;border-radius:14px;border:2px solid var(--line);background:#fff;cursor:pointer;font-family:inherit;color:var(--ink);transition:border-color .12s ease,box-shadow .12s ease,transform .12s ease}.hist-item:hover{transform:translateY(-1px);box-shadow:var(--shadow-md)}.hist-item.active{border-color:var(--accent);box-shadow:0 0 0 3px #3a86ff2e}.hist-live{display:flex;align-items:center;gap:8px;font-weight:800}.live-dot{width:10px;height:10px;border-radius:50%;background:#2a9d8f;box-shadow:0 0 #2a9d8f99;animation:livePulse 1.8s infinite}@keyframes livePulse{0%{box-shadow:0 0 #2a9d8f99}to{box-shadow:0 0 0 8px #2a9d8f00}}.hist-empty{color:var(--ink-soft);font-size:14px;line-height:1.6;padding:8px 6px}.hist-head{display:flex;align-items:center;justify-content:space-between;font-weight:800;margin-bottom:8px}.mini-scale{display:inline-block;width:34px;height:16px;position:relative}.mini-beam{position:absolute;top:7px;left:0;width:34px;height:3px;border-radius:2px;background:var(--gold-2);transition:transform .3s ease}.mini-beam:before,.mini-beam:after{content:"";position:absolute;top:1px;width:8px;height:8px;border-radius:50%;background:var(--gold-2)}.mini-beam:before{left:-2px}.mini-beam:after{right:-2px}.hist-sides{display:flex;gap:8px}.side{flex:1;border-radius:10px;background:#f7efe2;padding:6px;border:1px solid var(--line)}.side-down{background:#ffe4db;border-color:#f4b8a6}.side-label{display:block;font-size:11px;font-weight:900;color:var(--ink-soft);margin-bottom:4px}.side-coins{display:flex;flex-wrap:wrap;gap:4px}.side-coin{min-width:20px;height:20px;padding:0 4px;border-radius:6px;background:#fff;border:1px solid var(--line);font-size:12px;font-weight:800;display:grid;place-items:center}.side-empty{color:var(--ink-soft)}.hist-verdict{margin-top:8px;font-size:13px;font-weight:700;color:var(--ink-soft)}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#28190a73;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);display:grid;place-items:center;z-index:2000;padding:20px}.modal{position:relative;width:min(460px,100%);background:var(--panel);border-radius:22px;padding:28px 28px 22px;text-align:center;box-shadow:var(--shadow-lg);overflow:hidden;animation:pop .35s cubic-bezier(.34,1.56,.64,1)}@keyframes pop{0%{transform:scale(.85);opacity:0}to{transform:scale(1);opacity:1}}.modal-emoji{font-size:52px}.modal h2{margin:6px 0 10px;font-size:26px;font-weight:900}.modal p{color:var(--ink-soft);font-size:16px;line-height:1.6;margin:0 0 18px}.modal-win h2{color:#2a9d8f}.modal-lose h2{color:#e6533a}.modal-actions{display:flex;gap:10px;justify-content:center}.modal-help{text-align:left}.modal-help h2,.modal-help .modal-emoji{text-align:center}.modal-help p{color:var(--ink)}.help-list{margin:0 0 18px;padding-left:20px;color:var(--ink-soft);line-height:1.7}.help-list b{color:var(--ink)}.confetti{position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none;overflow:hidden}.confetti-piece{position:absolute;top:-20px;width:9px;height:14px;border-radius:2px;animation:fall 2.6s linear infinite}@keyframes fall{0%{transform:translateY(-20px) rotate(0);opacity:1}to{transform:translateY(520px) rotate(540deg);opacity:.4}}