:root {
    --color-brand-400: #fbbf24;
    --color-brand-500: #f59e0b;
    --color-brand-600: #d97706;
    --brand-primary: var(--color-brand-500);
    --brand-primary-bg: rgba(245, 158, 11, 0.12);
    --brand-primary-border: rgba(245, 158, 11, 0.28);

    --color-surface-950: #09090b;
    --color-surface-900: #0c0d10;
    --color-surface-800: #131316;
    --color-surface-700: #1c1c21;
    --color-content-bright: #ffffff;
    --color-content-primary: #e4e4e7;
    --color-content-secondary: #a1a1aa;
    --color-content-muted: #71717a;
    --color-line: rgba(255, 255, 255, 0.08);
    --color-state-danger: #ef4444;
    --radius-card: 1rem;
    --shadow-elevated: 0 20px 50px -12px rgba(0, 0, 0, 0.75);
}

html,
body {
    min-height: 100%;
    margin: 0;
    padding: 0;
    background-color: var(--color-surface-950);
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    color: var(--color-content-primary);
    -webkit-font-smoothing: antialiased;
}

/* Alertas en base_landing */
.alert {
    padding: 14px 18px;
    margin-bottom: 12px;
    border-radius: 12px;
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.1);
    background-color: rgba(19, 19, 22, 0.92);
    backdrop-filter: blur(12px);
    box-shadow: 0 12px 32px -4px rgba(0, 0, 0, 0.7);
    transition: all 0.3s ease;
}

.alert.success {
    border-color: rgba(16, 185, 129, 0.35);
    color: #34d399;
}

.alert.info {
    border-color: rgba(56, 189, 248, 0.35);
    color: #38bdf8;
}

.alert.warning {
    border-color: rgba(245, 158, 11, 0.35);
    color: #fbbf24;
}

.alert.error {
    border-color: rgba(244, 63, 94, 0.35);
    color: #fb7185;
}