* {
    box-sizing: border-box;
}

body.login {
    margin: 0;
    min-height: 100vh;
    display: grid;
    place-items: center;
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
    background: linear-gradient(160deg, #0f172a 0%, #1e293b 55%, #0f172a 100%);
    color: #e2e8f0;
    padding: 1.5rem;
}

.login-caja {
    width: 100%;
    max-width: 24rem;
    background: #ffffff;
    color: #1e293b;
    border-radius: 1rem;
    padding: 2.25rem 2rem;
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.35);
}

.login-marca {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1.75rem;
}

.login-logo {
    width: 2.75rem;
    height: 2.75rem;
    border-radius: 0.75rem;
    display: grid;
    place-items: center;
    background: #4f46e5;
    color: #fff;
    font-weight: 700;
    font-size: 1.25rem;
}

.login-marca-nombre {
    font-size: 1.15rem;
    font-weight: 700;
}

.login-titulo {
    margin: 0 0 0.35rem;
    font-size: 1.35rem;
}

.login-subtitulo {
    margin: 0 0 1.5rem;
    font-size: 0.9rem;
    color: #64748b;
}

.login-campo {
    margin-bottom: 1.1rem;
}

.login-etiqueta {
    display: block;
    margin-bottom: 0.4rem;
    font-size: 0.85rem;
    font-weight: 600;
}

.login-control {
    width: 100%;
    padding: 0.7rem 0.85rem;
    border: 1px solid #cbd5e1;
    border-radius: 0.6rem;
    font-size: 0.95rem;
    outline: none;
    transition: border-color 0.15s, box-shadow 0.15s;
}

.login-control:focus {
    border-color: #4f46e5;
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.18);
}

.login-error {
    margin-bottom: 1rem;
    padding: 0.7rem 0.9rem;
    border-radius: 0.6rem;
    background: #fef2f2;
    border: 1px solid #fecaca;
    color: #b91c1c;
    font-size: 0.85rem;
}

.login-boton {
    width: 100%;
    margin-top: 0.5rem;
    padding: 0.75rem 1rem;
    border: none;
    border-radius: 0.6rem;
    background: #4f46e5;
    color: #fff;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.15s;
}

.login-boton:hover {
    background: #4338ca;
}

.login-pie {
    margin-top: 1.5rem;
    text-align: center;
    font-size: 0.8rem;
    color: #94a3b8;
}