/* Reset básico */
*,
*::before,
*::after {
    box-sizing: border-box;
}


body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    background-color: var(--gris-claro);
    color: var(--gris-oscuro);
    overflow-x: hidden;

}


h1.titulo {
    color: var(--blanco);
    font-family: 'Franklin Gothic Medium', 'Arial Narrow', Arial, sans-serif;

}

/* Header */
.app-header {
    background-color: var(--rojo-principal);
    display: flex;
    justify-content: center;
    align-items: center;
}

.app-header img.logo {
    width: 200px;
    height: auto;
}

img.logo {
    max-width: 100%;
}



/* Main */
.login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: calc(100vh - 140px);
}

.login-card {
    background-color: var(--blanco);
    padding: 40px;
    width: 100%;
    max-width: 400px;
    border-radius: 6px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.login-card h2 {
    text-align: center;
    margin-bottom: 24px;
}

/* Form */
.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    margin-bottom: 6px;
    font-size: 14px;
    font-weight: 500;
    line-height: 1.2;
}


.form-group input {
    width: 100%;
    height: 44px;
    /* 🔑 MISMA ALTURA */
    padding: 0 12px;
    /* padding horizontal uniforme */
    border: 1px solid var(--gris-medio);
    border-radius: 6px;
    font-size: 15px;
    font-family: inherit;
    box-sizing: border-box;
    appearance: none;
    /* 🔥 elimina estilos del navegador */
    -webkit-appearance: none;
    -moz-appearance: none;
    transition: border-color 0.2s, box-shadow 0.2s;
}


.form-group input:focus {
    outline: none;
    border-color: var(--azul-principal);
    box-shadow: 0 0 0 2px rgba(0, 90, 180, 0.15);
}


/* Botón */
/* Botón */
.btn-login {
    width: 100%;              /* 🔥 ocupa todo el ancho */
    display: block;           /* asegura que respete el width */

    background: var(--rojo-principal);
    color: var(--blanco);
    border: none;
    padding: 14px 18px;
    border-radius: 10px;

    font-size: 16px;
    font-weight: 600;
    cursor: pointer;

    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15);
    white-space: nowrap;

    transition: all 0.25s ease;
}



.btn-login:hover {
    background: linear-gradient(135deg, var(--azul-principal), #1e90ff);
    transform: translateY(-2px);
    box-shadow: 0 6px 14px rgba(0, 0, 0, 0.25);
}


/* Error */
.login-error {
    color: var(--rojo-fuerte);
    text-align: center;
    margin-top: 12px;
}

/* Footer */
.app-footer {
    background-color: var(--gris-oscuro);
    color: var(--blanco);
    text-align: center;
    padding: 12px;
    font-size: 13px;
}

.app-footer a {
    color: var(--rojo-claro);
    text-decoration: none;
    margin: 0 6px;
}


/* ===============================
   RESPONSIVE
================================ */

@media (max-width: 768px) {

    .app-header {
        padding: 10px 0;
    }

    .app-header img.logo {
        width: 140px;
    }

    .login-card {
        background-color: var(--blanco);
        padding: 40px;
        width: 100%;
        max-width: 400px;
        border-radius: 10px;
        box-shadow: 0 8px 25px rgba(0, 0, 0, 0.12);
    }


    .login-card h2 {
        font-size: 1.3rem;
    }

    .app-footer {
        font-size: 12px;
        padding: 10px;
    }
}

@media (max-width: 480px) {

    .app-header img.logo {
        width: 120px;
    }

    .login-card {
        padding: 20px;
    }

    .form-group input {
        padding: 8px;
    }

    .btn-login {
        padding: 10px;
        font-size: 15px;
    }
}