:root{color-scheme:light;--bg: #f5f6fb;--surface: #ffffff;--surface-2: #f2f4f9;--border: #e4e7ef;--border-strong: #d4d9e6;--text: #1a2233;--muted: #6b7488;--accent: #6366f1;--accent-2: #22d3ee;--accent-ink: #4f46e5;--ring: rgba(99, 102, 241, .32);--radius: 16px;--radius-sm: 11px;--shadow-sm: 0 1px 2px rgba(16, 24, 40, .05);--shadow: 0 1px 2px rgba(16, 24, 40, .04), 0 16px 40px -20px rgba(16, 24, 40, .22);font-family:Inter,IBM Plex Sans Thai,system-ui,-apple-system,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{margin:0;min-height:100vh;color:var(--text);background:radial-gradient(1000px 520px at 12% -20%,rgba(99,102,241,.12),transparent 60%),radial-gradient(900px 500px at 100% -10%,rgba(34,211,238,.12),transparent 55%),var(--bg);-webkit-tap-highlight-color:transparent}.app{max-width:1140px;margin:0 auto;padding:32px 20px 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.15s}input::placeholder,textarea::placeholder{color:#9aa2b4}input:focus,textarea:focus,select:focus{background:var(--surface);border-color:var(--accent);box-shadow:0 0 0 4px var(--ring)}textarea{resize:vertical;min-height:72px}input[type=color]{width:100%;height:42px;padding:4px;background:var(--surface-2);border:1px solid var(--border-strong);border-radius:var(--radius-sm);cursor:pointer}input[type=range]{width:100%;accent-color:var(--accent)}input[type=file]{max-width:100%;font-size:12px;color:var(--muted)}input[type=checkbox]{flex:0 0 auto;width:19px;height:19px;accent-color:var(--accent)}.presets{display:grid;grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:9px}.preset{display:flex;align-items:center;gap:9px;padding:9px 11px;font:inherit;font-size:13px;text-align:left;color:var(--text);background:var(--surface);border:1px solid var(--border-strong);border-radius:var(--radius-sm);cursor:pointer;transition:border-color .15s,box-shadow .15s,transform .12s}.preset:hover{border-color:var(--accent);transform:translateY(-1px)}.preset--active{border-color:var(--accent);box-shadow:0 0 0 3px var(--ring)}.preset__swatch{flex:0 0 auto;width:22px;height:22px;border-radius:7px;border:1px solid rgba(0,0,0,.08)}.logo-row{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:14px}.preview{position:sticky;top:24px}.preview__card{display:flex;flex-direction:column;gap:16px;padding:20px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow)}.preview__canvas{display:grid;place-items:center;padding:16px;border-radius:var(--radius-sm);overflow:hidden;background-color:#fff;background-image:linear-gradient(45deg,#eef1f6 25%,transparent 25%),linear-gradient(-45deg,#eef1f6 25%,transparent 25%),linear-gradient(45deg,transparent 75%,#eef1f6 75%),linear-gradient(-45deg,transparent 75%,#eef1f6 75%);background-size:20px 20px;background-position:0 0,0 10px,10px -10px,-10px 0;border:1px solid var(--border)}.preview__canvas canvas,.preview__canvas svg{display:block;width:100%;height:auto;max-width:320px;border-radius:6px}.downloads{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}.btn{min-height:44px;padding:10px 14px;font:inherit;font-weight:600;color:#fff;border:none;border-radius:var(--radius-sm);background:linear-gradient(135deg,var(--accent),var(--accent-2));cursor:pointer;transition:filter .15s,transform .12s,box-shadow .15s}.btn:hover{filter:brightness(1.05);transform:translateY(-1px);box-shadow:0 10px 22px -12px var(--ring)}.btn:active{transform:translateY(0)}.btn--ghost{color:var(--text);background:var(--surface-2);border:1px solid var(--border-strong)}.api-row{display:flex;flex-direction:column;gap:7px;font-size:12px;color:var(--muted)}.api-row__input{display:flex;gap:8px}.api-row__input input{font-size:12px}.api-row__input .btn{flex:0 0 auto;min-height:0;padding:8px 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