:root{--surface: #ffffff;--surface-muted: #f4f6f8;--surface-info: #eef6ff;--surface-error: #fff1f1;--surface-success: #eefaf2;--text: #172b4d;--text-muted: #6b778c;--border: #dfe1e6;--primary: #0c66e4;--primary-contrast: #ffffff;--danger: #ae2e24;--success: #216e4e;--viewport-dynamic-height: 100dvh;--app-height: var(--viewport-dynamic-height);--login-card-width: 28rem;--space-page: 1.5rem;--space-card: 2rem;--space-section: 1.5rem;--space-form: 1rem;--space-xs: .375rem;--space-control-y: .75rem;--space-control-x: .875rem;--space-message-y: .75rem;--space-message-x: .875rem;--font-size-title: 1.75rem;--font-size-body: .95rem;--font-size-caption: .75rem;--font-weight-bold: 600;--letter-spacing-label: .08em;--radius-card: 1rem;--radius-control: .625rem;--shadow-card: 0 1rem 2.5rem rgb(9 30 66 / 14%);--focus-ring: 0 0 0 .2rem rgb(12 102 228 / 20%);--focus-ring-offset: .125rem;--opacity-disabled: .65}