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.btn{width:auto}:root{--b3d-primary: #1a7abf;--b3d-primary-dark: #1a3a5c;--b3d-primary-light: #f0f7ff;--b3d-orange: #e07b00;--b3d-yellow: #ffd400;--b3d-bg: #ffffff;--b3d-viewer-bg: #000000;--b3d-border: #cce0f5;--b3d-text: #222222;--b3d-muted: #888888;--b3d-font: "Segoe UI", Arial, sans-serif;--b3d-radius-pill: 999px}*{margin:0;padding:0;box-sizing:border-box}html,body,#root{height:100%}body{font-family:var(--b3d-font);font-size:14px;color:var(--b3d-text);background:var(--b3d-bg)}a{color:var(--b3d-primary);text-decoration:none}a:hover{text-decoration:underline}.btn{font-family:inherit;font-size:14px;cursor:pointer;border:none;border-radius:var(--b3d-radius-pill);padding:11px 22px;transition:filter .15s ease,background .15s ease}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--b3d-primary);color:#fff;width:100%}.btn-primary:hover:not(:disabled){filter:brightness(1.08)}.btn-outline{background:#fff;color:var(--b3d-primary);border:1.5px solid var(--b3d-primary)}.btn-outline:hover:not(:disabled){background:var(--b3d-primary-light)}.auth-shell{min-height:100%;display:flex;flex-direction:column}.auth-main{flex:1;display:flex;align-items:center;justify-content:center;padding:24px}.auth-card{width:100%;max-width:380px;text-align:center}.auth-card h2{font-size:18px;color:var(--b3d-primary-dark);margin-bottom:18px}.field{text-align:left;margin-bottom:14px}.field label{display:block;font-size:13px;color:#555;margin-bottom:5px}.input-wrap{position:relative}.field input{width:100%;padding:11px 13px;font-size:14px;border:1px solid #ccc;border-radius:8px;outline:none}.field input:focus{border-color:var(--b3d-primary);box-shadow:0 0 0 3px 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