:root{--bg: #f2f4f8;--panel: #ffffff;--border: #e3e7ef;--border-strong: #cbd3e1;--text: #1a2233;--muted: #6b7689;--faint: #98a2b8;--accent: #2456e6;--accent-soft: #e8eefe;--danger: #dc4c4c;--shadow-sm: 0 1px 2px rgba(23, 31, 55, .05);--shadow-md: 0 6px 18px rgba(23, 31, 55, .08);--shadow-lg: 0 18px 44px rgba(23, 31, 55, .16);--radius: 12px;--radius-sm: 8px;--zone-a: #f5921e;--zone-b: #9b786e;--zone-c: #529065}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;font-family:Inter,system-ui,-apple-system,sans-serif;background:var(--bg);color:var(--text);font-size:14px;-webkit-font-smoothing:antialiased}h1,h2,h3{margin:0}button{font:inherit;border:none;background:none;color:inherit;cursor:pointer}button:disabled{opacity:.5;cursor:not-allowed}input{font:inherit}.login-wrap{min-height:100vh;display:grid;grid-template-columns:1.1fr 1fr;background:radial-gradient(800px 520px at 92% -10%,rgba(36,86,230,.09),transparent 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.white-btn{color:#fff;background:#384a70}.rich-input{min-height:48px;outline:none;white-space:pre-wrap;font-weight:400;font-style:normal;font-size:14px}.rich-input:focus{border-color:var(--accent)}.range-label{margin-top:10px}.range-label input[type=range]{width:100%}