:root{--ink:#17263c;--muted:#6e7b8f;--line:#e7ebf1;--navy:#12315c;--blue:#1877e8;--surface:#fff;--bg:#f5f8fc;--shadow:0 18px 45px rgba(34,63,99,.10)}*{box-sizing:border-box}body{margin:0;background:radial-gradient(circle at 50% 26%,#e6f1ff 0,transparent 30rem),var(--bg);color:var(--ink);font-family:Sarabun,system-ui,sans-serif;min-height:100vh}.app-shell{max-width:1440px;margin:auto;padding:22px 32px 42px}.topbar{display:flex;justify-content:space-between;align-items:center}.brand{display:flex;gap:9px;align-items:center;text-decoration:none;color:var(--navy);font:700 25px Kanit,sans-serif}.brand-mark{border-radius:8px;background:var(--navy);color:#fff;font-size:14px;padding:5px 7px;letter-spacing:.7px}.topbar-actions,.entry-actions,.result-footer{display:flex;align-items:center;gap:10px}.intro{text-align:center;margin:38px 0 24px}.eyebrow{letter-spacing:2px;font-weight:700;font-size:12px;color:var(--blue);margin:0}.intro h1{font:700 38px Kanit,sans-serif;line-height:1.2;margin:7px 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260px;gap:16px}.app-shell{padding-inline:18px}}@media(max-width:820px){.wheel-layout{grid-template-columns:1fr}.wheel-stage{grid-row:1}.entry-panel{grid-row:2}.result-panel{grid-row:3}.wheel-wrap{max-width:510px}.intro{margin-top:25px}.intro h1{font-size:32px}.panel{max-width:510px;width:100%;margin:auto}textarea{height:180px}}@media(max-width:480px){.app-shell{padding:14px}.topbar-actions .text-button{display:none}.intro h1{font-size:28px}.wheel-wrap{padding:7px}#spinButton{width:82px;height:82px;font-size:16px;border-width:6px}.pointer{top:-9px}.modal-card{padding:28px 20px}}