:root{--color-bg: #0f172a;--color-card: #ffffff;--color-text: #0f172a;--color-muted: #64748b;--color-primary: #1d4ed8;--color-primary-hover: #1e40af;--color-border: #e2e8f0;--color-warning-bg: #fef3c7;--color-warning-text: #92400e;--color-error-text: #991b1b;--color-success-text: #166534}:root[data-brand=backoffice]{--color-bg: #1e1b4b;--color-primary: #4f46e5;--color-primary-hover: #4338ca}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:linear-gradient(160deg,var(--color-bg) 0%,#1e293b 100%);color:var(--color-text)}.login-shell{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px}.login-card{width:100%;max-width:400px;background:var(--color-card);border-radius:16px;padding:40px 36px;box-shadow:0 20px 60px #00000059}.brand{display:flex;align-items:center;gap:10px;margin-bottom:28px}.brand-mark{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:8px;background:var(--color-primary);color:#fff;font-weight:700;font-size:14px}.brand-name{font-weight:600;font-size:15px;color:var(--color-muted)}h1{margin:0 0 8px;font-size:24px;font-weight:700}.subtitle{margin:0 0 24px;color:var(--color-muted);font-size:14px;line-height:1.5}.banner{padding:12px 14px;border-radius:10px;font-size:13px;line-height:1.5;margin-bottom:20px}.banner-warning{background:var(--color-warning-bg);color:var(--color-warning-text)}.status{min-height:20px;font-size:13px;margin:0 0 16px}.status[data-state=error]{color:var(--color-error-text)}.status[data-state=progress]{color:var(--color-muted)}.status[data-state=success]{color:var(--color-success-text)}.btn-primary{width:100%;padding:12px 16px;border:none;border-radius:10px;background:var(--color-primary);color:#fff;font-size:15px;font-weight:600;cursor:pointer}.btn-primary:hover:not(:disabled){background:var(--color-primary-hover)}.btn-primary:disabled{background:var(--color-border);color:var(--color-muted);cursor:not-allowed}.fine-print{margin:20px 0 0;font-size:12px;color:var(--color-muted);text-align:center;line-height:1.5}