:root{--bg:#0e1320;--text:#e6eaf2;--muted:#9aa3b2;--card:#11182a;--panel:#0c1324;--border:#1f2a3a;--shadow:0 1px 2px rgba(0,0,0,.35),0 4px 16px rgba(0,0,0,.25);--primary:#22b3e6;--primary-weak:#0f2430;--ok:#34d399;--warn:#f59e0b;--bad:#ef4444;--radius:16px;--prose-accent:#5dd6c6;--prose-quote-bg:#0f1726;--prose-code-bg:#0f1726}[data-theme=light]{--bg:#fff;--text:#111827;--muted:#6b7280;--card:#fff;--panel:#f9fafb;--border:#e5e7eb;--shadow:0 1px 2px rgba(0,0,0,.06),0 1px 3px rgba(0,0,0,.1);--primary:#0ea5e9;--primary-weak:#e0f2fe;--ok:#22c55e;--warn:#f59e0b;--bad:#ef4444;--prose-accent:#0f766e;--prose-quote-bg:#f9fafb;--prose-code-bg:#f3f4f6}*{box-sizing:border-box}body,html{margin:0;padding:0;background:var(--bg);color:var(--text);overflow-x:hidden}body{font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Arial,Apple Color Emoji,Segoe UI Emoji;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{color:inherit;text-decoration:none}ol,ul{margin:0;padding-left:1.2rem}button{cursor:pointer}img{max-width:100%;display:block}:focus{outline:none}:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:8px}.sr-only{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}h1{font-size:clamp(1.4rem,1.1rem + 1.2vw,1.9rem)}h1,h2{margin:0 0 .25rem}h2{font-size:clamp(1.2rem,1rem + .8vw,1.4rem)}p{line-height:1.6}.container{max-width:1100px;margin:0 auto;padding:24px}.stack-2>*+*{margin-top:.5rem}.stack-4>*+*{margin-top:1rem}.row{display:flex;gap:.75rem;align-items:center}.mb-2{margin-bottom:.5rem}.mb-4{margin-bottom:1rem}.mb-6{margin-bottom:1.5rem}.mt-6{margin-top:1.5rem}.topbar{justify-content:space-between;padding:14px 24px;border-bottom:1px solid var(--border);position:-webkit-sticky;position:sticky;top:0;background:var(--bg);z-index:10;-webkit-backdrop-filter:saturate(120%) blur(6px);backdrop-filter:saturate(120%) blur(6px)}.nav,.topbar{display:flex;align-items:center}.nav{gap:18px}.nav a{color:var(--muted)}.nav a.active{color:var(--text);font-weight:600}.select{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:1px solid var(--border);background:var(--card);color:var(--text);border-radius:12px;padding:10px 38px 10px 12px;font:inherit;position:relative;background-image:linear-gradient(45deg,transparent 50%,var(--muted) 50%),linear-gradient(135deg,var(--muted) 50%,transparent 50%),linear-gradient(to right,transparent,transparent);background-position:calc(100% - 22px) calc(50% - 4px),calc(100% - 14px) calc(50% - 4px),calc(100% - 2.2rem) 0;background-size:8px 8px,8px 8px,2.2rem 100%;background-repeat:no-repeat}.card,.panel,.select{box-shadow:var(--shadow)}.card,.panel{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:16px;max-width:100%}.card h3{margin:0 0 .25rem;font-size:1.05rem}.card .muted{color:var(--muted);font-size:.95rem}.panel.head{position:relative;overflow:hidden}.panel.head:before{content:"";position:absolute;inset:0 0 auto 0;height:3px;background:linear-gradient(90deg,var(--primary),transparent 60%);opacity:.35}.hero{padding:18px;border-radius:var(--radius);border:1px solid var(--border);background:var(--card);box-shadow:var(--shadow)}.hero-title{margin:0 0 6px}.hero-text{color:var(--muted)}.progress-wrap{margin:6px 0 18px}.progress{height:10px;width:100%;background:hsla(0,0%,100%,.06);border-radius:999px;overflow:hidden;border:1px solid var(--border)}.progress>div{height:100%;background:var(--primary);width:0;transition:width .25s ease}.btn{border:1px solid var(--border);background:var(--card);color:var(--text);padding:.6rem 1rem;border-radius:12px;line-height:1.1;transition:transform .06s ease,background .15s,border-color .15s,box-shadow .15s,color .15s;box-shadow:var(--shadow)}.btn:hover{transform:translateY(-1px)}.btn:active{transform:translateY(0)}.btn.primary{background:var(--primary);color:#0a0f18;border-color:var(--primary)}.btn.ghost{background:transparent;box-shadow:none}.btn:disabled{opacity:.6;cursor:not-allowed;transform:none}.sticky-controls{position:-webkit-sticky;position:sticky;bottom:0;background:var(--bg);padding:12px 0;border-top:1px solid var(--border);display:flex;gap:10px;justify-content:flex-end;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}.smiley-group{flex-wrap:wrap;gap:10px}.smiley-btn,.smiley-group{display:flex;justify-content:center}.smiley-btn{flex-direction:column;align-items:center;min-width:120px;padding:14px 12px;border:1px solid var(--border);border-radius:16px;background:var(--card);box-shadow:var(--shadow);transition:transform .08s ease,border-color .15s,box-shadow .15s,background .15s;-webkit-user-select:none;-moz-user-select:none;user-select:none}.smiley-btn:hover{transform:translateY(-1px)}.smiley-btn:active{transform:translateY(0)}.smiley-btn.is-selected{border-color:var(--primary);background:var(--primary-weak);box-shadow:inset 0 0 0 2px rgba(34,179,230,.15),var(--shadow)}.smiley-emoji{font-size:34px;line-height:1}.smiley-caption{font-size:.9rem;color:var(--muted);margin-top:6px;text-align:center}.smiley-btn[data-tone="1"] .smiley-emoji{color:var(--bad)}.smiley-btn[data-tone="2"] .smiley-emoji{color:#fb923c}.smiley-btn[data-tone="3"] .smiley-emoji{color:var(--warn)}.smiley-btn[data-tone="4"] .smiley-emoji{color:#10b981}.smiley-btn[data-tone="5"] .smiley-emoji{color:var(--ok)}.stage{min-height:calc(100dvh - 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