:root{--primary:#1e3a5f;--primary-dark:#142d4c;--primary-light:#edf6f5;--accent:#2d7d72;--accent-dark:#235f56;--success:#16a34a;--danger:#dc2626;--warning:#d97706;--text:#111827;--text-muted:#6b7280;--text-faint:#9ca3af;--border:#e5e7eb;--border-strong:#cbd5e1;--bg:#f9fafb;--bg-soft:#eef0f3;--white:#ffffff;--surface:#ffffff;--radius:8px;--shadow:0 1px 3px rgba(0,0,0,0.06);--shadow-md:0 4px 12px rgba(0,0,0,0.08);--shadow-lg:0 8px 32px rgba(0,0,0,0.11)}*,:after,:before{box-sizing:border-box;margin:0;padding:0}body,html{height:100%}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Inter,sans-serif;background:var(--bg);color:var(--text);font-size:14px;line-height:1.5;min-height:100vh;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}.btn{display:inline-block;padding:9px 18px;border-radius:var(--radius);font-size:13px;font-weight:600;font-family:inherit;cursor:pointer;border:1px solid transparent;transition:background .15s ease,border-color .15s ease,color .15s ease;text-decoration:none;text-align:center}.btn:disabled{opacity:.6;cursor:not-allowed}.btn-primary{background:var(--primary);color:var(--white);border-color:var(--primary)}.btn-primary:hover:not(:disabled){background:var(--primary-dark);border-color:var(--primary-dark)}.btn-accent{background:var(--accent);color:var(--white);border-color:var(--accent)}.btn-accent:hover:not(:disabled){background:var(--accent-dark);border-color:var(--accent-dark)}.btn-ghost{background:transparent;color:var(--text);border-color:var(--border)}.btn-ghost:hover:not(:disabled){background:var(--bg);border-color:var(--text-muted)}.btn-danger{background:#fef2f2;color:var(--danger);border-color:#fecaca}.btn-danger:hover:not(:disabled){background:#fee2e2}.btn-sm{padding:5px 12px;font-size:12px}.form-group{margin-bottom:16px}.form-group label{display:block;font-size:13px;font-weight:600;margin-bottom:6px;color:var(--text)}.form-group input,.form-group select,.form-group textarea{width:100%;padding:9px 12px;border:1px solid var(--border);border-radius:var(--radius);font-size:14px;font-family:inherit;color:var(--text);background:var(--white);transition:border-color .15s ease}.form-group input:focus,.form-group select:focus,.form-group textarea:focus{outline:none;border-color:var(--accent)}.form-hint{font-size:12px;color:var(--text-muted);margin-top:4px}.alert{padding:10px 14px;border-radius:var(--radius);font-size:13px;margin-bottom:14px;border:1px solid transparent}.alert-error{background:#fef2f2;color:var(--danger);border-color:#fecaca}.alert-success{background:#f0fdf4;color:#166534;border-color:#bbf7d0}.alert-warning{background:#fffbeb;color:#92400e;border-color:#fcd34d}