*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}:root{--bg:#f4f6f9;--surface:#fff;--border:#e0e4ea;--primary:#4f46e5;--primary-hover:#4338ca;--primary-text:#fff;--text:#1a1d23;--text-muted:#6b7280;--error:#dc2626;--success:#16a34a;--input-bg:#f9fafb;--input-focus:#4f46e5;--tab-active-bg:#4f46e5;--tab-inactive-bg:transparent;--radius:10px;--radius-sm:6px;--shadow:0 4px 24px rgba(0,0,0,0.08)}body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;background:var(--bg);min-height:100vh;color:var(--text)}.spinner{display:inline-block;border-radius:50%;animation:spin .6s linear infinite;flex-shrink:0}@keyframes spin{to{transform:rotate(360deg)}}.status-msg{display:none;margin-top:14px;padding:10px 14px;border-radius:var(--radius-sm);font-size:.875rem;line-height:1.5}.status-msg.visible{display:block}.status-msg.info{background:#eff6ff;color:#1d4ed8;border:1px solid #bfdbfe}.status-msg.error{background:#fef2f2;color:var(--error);border:1px solid #fecaca}.status-msg.success{background:#f0fdf4;color:var(--success);border:1px solid #bbf7d0}.btn{display:flex;align-items:center;justify-content:center;gap:8px;width:100%;padding:11px 20px;font-size:.9375rem;font-weight:600;border-radius:var(--radius-sm);border:0;cursor:pointer;transition:background .15s,opacity .15s;font-family:inherit;letter-spacing:.01em}.btn-primary{background:var(--primary);color:var(--primary-text)}.btn-primary:hover{background:var(--primary-hover)}.btn-primary:disabled{opacity:.6;cursor:not-allowed}.btn-secondary{background:transparent;color:var(--primary);border:1.5px solid var(--primary)}.btn-secondary:hover{background:rgba(79,70,229,0.06)}.btn:focus-visible{outline:2px solid var(--primary);outline-offset:2px}.btn svg{width:18px;height:18px;flex-shrink:0}.btn+.btn{margin-top:10px}