:root {
    --color-fondo: #0f172a;
    --color-tarjeta: #1e293b;
    --color-texto: #f8fafc;
    --color-texto-secundario: #94a3b8;
    --color-primario: #3b82f6;
    --color-primario-hover: #2563eb;
    --color-borde: #334155;
    --color-exito: #10b981;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: var(--color-fondo);
    color: var(--color-texto);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.hidden {
    display: none !important;
}