:root{--mark: linear-gradient(135deg, #ff9de2 0%, #7c6cf0 50%, #2ec5c0 100%)}:root{--bg: #f5f6f8;--panel: #ffffff;--ink: #16181d;--ink-2: #5b616e;--ink-3: #878d99;--line: #e7e9ee;--line-2: #eef0f3;--accent: #5b5bd6;--accent-soft: #ececfb;--accent-ink: #4a4ac4;--green: #1f9d6b;--danger: #d6455b;--radius: 9px;--radius-sm: 6px;--shadow-sm: 0 1px 2px rgba(16, 18, 29, .04), 0 1px 3px rgba(16, 18, 29, .05);--shadow-md: 0 4px 14px rgba(16, 18, 29, .07);--shadow-lg: 0 12px 40px rgba(16, 18, 29, .16);--canvas: #16181d}*{box-sizing:border-box;margin:0;padding:0}html,body,#root{min-height:100%}body{font-family:Inter,system-ui,-apple-system,sans-serif;background:var(--bg);color:var(--ink);font-size:13px;line-height:1.45;letter-spacing:-.01em;-webkit-font-smoothing:antialiased}button,input{font-family:inherit}.topbar{height:56px;background:var(--panel);border-bottom:1px solid var(--line);display:flex;align-items:center;padding:0 20px;gap:14px;position:sticky;top:0;z-index:20}.brand{display:flex;align-items:center;gap:9px;font-weight:600;font-size:14px;letter-spacing:-.02em}.brand .glyph{width:26px;height:26px;border-radius:7px;background:var(--mark);box-shadow:0 1px 3px #10121d38}.spacer{flex:1}.topbar a{color:var(--ink-3);text-decoration:none;font-weight:500}.topbar a:hover{color:var(--accent)}.wrap{max-width:1180px;margin:0 auto;padding:34px 20px 80px}.controls{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:18px;box-shadow:var(--shadow-sm);margin-bottom:28px}.controls h1{font-size:19px;font-weight:600;letter-spacing:-.03em;margin-bottom:4px}.controls .sub{color:var(--ink-2);margin-bottom:16px}.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.color-field{display:flex;align-items:center;gap:8px;border:1px solid var(--line);border-radius:var(--radius-sm);height:38px;padding:0 6px;background:var(--panel);transition:border-color .15s,box-shadow 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