:root{--color-primary:#2563eb;--color-primary-dark:#1e40af;--color-primary-light:#dbeafe;--color-accent:#16a34a;--color-danger:#dc2626;--color-warning:#d97706;--color-background:#f8fafc;--color-surface:#fff;--color-border:#e2e8f0;--color-text-primary:#0f172a;--color-text-secondary:#64748b;--color-text-muted:#94a3b8}*{box-sizing:border-box}body{background:var(--color-background);color:var(--color-text-primary);margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;font-size:14px}a{color:var(--color-primary);text-decoration:none}a:hover{text-decoration:underline}button,input,select,textarea{font-family:inherit;font-size:inherit}table{border-collapse:collapse;width:100%}th,td{text-align:left;border-bottom:1px solid var(--color-border);vertical-align:top;padding:10px 12px}th{color:var(--color-text-secondary);text-transform:uppercase;letter-spacing:.04em;font-size:12px;font-weight:600}.card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:10px;padding:20px}.btn{cursor:pointer;background:var(--color-primary);color:#fff;border:1px solid #0000;border-radius:8px;align-items:center;gap:6px;padding:8px 14px;font-weight:600;display:inline-flex}.btn:hover{background:var(--color-primary-dark)}.btn:disabled{opacity:.6;cursor:not-allowed}.btn-secondary{background:var(--color-surface);color:var(--color-text-primary);border-color:var(--color-border)}.btn-secondary:hover{background:var(--color-background)}.btn-danger{background:var(--color-danger)}.btn-danger:hover{background:#b91c1c}input[type=text],input[type=email],input[type=password],input[type=number],input[type=datetime-local],select,textarea{border:1px solid var(--color-border);width:100%;color:var(--color-text-primary);background:#fff;border-radius:6px;padding:8px 10px}.badge{border-radius:999px;padding:2px 10px;font-size:12px;font-weight:600;display:inline-block}.badge-active{color:#166534;background:#dcfce7}.badge-free{color:var(--color-text-secondary);background:#f1f5f9}.badge-warning{color:#92400e;background:#fef3c7}.badge-danger{color:#991b1b;background:#fee2e2}.error-text{color:var(--color-danger);font-size:13px}.hint-text{color:var(--color-text-secondary);font-size:13px}