:root{--accent: #0078d4;--accent-hover: #106ebe;--bg: #f3f3f3;--surface: #ffffff;--text: #1a1a1a;--text-secondary: #616161;--border: #e0e0e0;--success: #0f7b0f;--error: #c42b1c;--radius: 8px;--shadow: 0 2px 8px rgba(0, 0, 0, .08);--font: "Segoe UI Variable", "Segoe UI", -apple-system, BlinkMacSystemFont, sans-serif}@media (prefers-color-scheme: dark){:root{--bg: #202020;--surface: #2d2d2d;--text: #f0f0f0;--text-secondary: #a0a0a0;--border: #3d3d3d;--shadow: 0 2px 8px rgba(0, 0, 0, .3)}}*{margin:0;padding:0;box-sizing:border-box}body{font-family:var(--font);background:var(--bg);color:var(--text);min-height:100vh;display:flex;justify-content:center;align-items:flex-start;padding:48px 24px}.container{width:100%;max-width:480px}.card{background:var(--surface);border-radius:var(--radius);box-shadow:var(--shadow);padding:32px}h1{font-size:24px;font-weight:600;margin-bottom:4px}.subtitle{font-size:14px;color:var(--text-secondary);margin-bottom:28px}.form-group{margin-bottom:20px}.form-group label{display:block;font-size:14px;font-weight:600;margin-bottom:6px;color:var(--text)}.form-group input,.form-group select{width:100%;padding:10px 12px;font-size:14px;font-family:var(--font);background:var(--bg);color:var(--text);border:1px solid var(--border);border-radius:6px;outline:none;transition:border-color .15s}.form-group input:focus,.form-group select:focus{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent)}.form-row{display:flex;gap:12px}.form-row .form-group{flex:1}.btn-row{display:flex;gap:10px;margin-top:28px}.btn{flex:1;padding:10px 20px;font-size:14px;font-weight:600;font-family:var(--font);border:none;border-radius:6px;cursor:pointer;transition:background .15s,opacity .15s}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover:not(:disabled){background:var(--accent-hover)}.btn-secondary{background:var(--bg);color:var(--text);border:1px solid var(--border)}.btn-secondary:hover:not(:disabled){background:var(--border)}.status-bar{margin-top:16px;padding:10px 14px;border-radius:6px;font-size:13px;font-weight:500;display:none}.status-bar.visible{display:block}.status-bar.success{background:#0f7b0f1a;color:var(--success);border:1px solid rgba(15,123,15,.2)}.status-bar.error{background:#c42b1c1a;color:var(--error);border:1px solid rgba(196,43,28,.2)}.status-bar.info{background:#0078d41a;color:var(--accent);border:1px solid rgba(0,120,212,.2)}.mock-section{margin-top:24px;padding-top:20px;border-top:1px solid var(--border)}.mock-section p{font-size:13px;color:var(--text-secondary);margin-bottom:12px}footer{margin-top:24px;text-align:center;font-size:12px;color:var(--text-secondary)}