*,:before,:after{box-sizing:border-box;margin:0;padding:0}:root{--color-bg:#0a0c12;--color-surface:#13161f;--color-surface2:#1c2030;--color-border:#252a3d;--color-primary:#e8433a;--color-blue:#3a6de8;--color-red:#e83a3a;--color-text:#e8eaf0;--color-text-muted:#7a829e;--color-success:#2ecc71;--color-warning:#f39c12;--color-error:#e74c3c;--radius:10px;--font:"Inter", system-ui, sans-serif}body{background:var(--color-bg);color:var(--color-text);font-family:var(--font);min-height:100vh;font-size:15px;line-height:1.5}button{cursor:pointer;font-family:inherit;font-size:inherit}input,select{font-family:inherit;font-size:inherit}.btn{border-radius:var(--radius);border:none;justify-content:center;align-items:center;gap:8px;padding:12px 20px;font-size:15px;font-weight:600;transition:opacity .15s,transform .1s;display:inline-flex}.btn:active{transform:scale(.97)}.btn:hover{opacity:.88}.btn:disabled{opacity:.35;cursor:not-allowed}.btn-primary{background:var(--color-primary);color:#fff}.btn-blue{background:var(--color-blue);color:#fff}.btn-ghost{background:var(--color-surface2);color:var(--color-text);border:1px solid var(--color-border)}.btn-success{background:var(--color-success);color:#fff}.btn-lg{padding:16px 28px;font-size:17px}.card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);padding:20px}.field{flex-direction:column;gap:6px;display:flex}.field label{color:var(--color-text-muted);text-transform:uppercase;letter-spacing:.05em;font-size:12px;font-weight:500}.field input,.field select{background:var(--color-surface2);border:1px solid var(--color-border);border-radius:var(--radius);color:var(--color-text);outline:none;padding:10px 14px}.field input:focus,.field select:focus{border-color:var(--color-primary)}.spinner{border:3px solid var(--color-border);border-top-color:var(--color-primary);border-radius:50%;width:24px;height:24px;animation:.7s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.alert-banner{border-radius:var(--radius);margin-bottom:16px;padding:12px 16px;font-size:14px}.alert-banner.error{border:1px solid var(--color-error);color:#f1948a;background:#e74c3c26}