:root {
    /* Marca y Énfasis */
    --color-primary: #ED1C24;
    --color-primary-dark: #C9141C;

    /* Fondo y Superficie */
    --color-bg: #F5F5F5;
    --color-surface: #FFFFFF;

    /* Texto */
    --color-text-main: #171717;
    --color-text-muted: #6B7280;

    /* Bordes y Divisores */
    --color-border: #E5E5E5;

    /* Estados y Feedback */
    --color-success: #16A34A;
    --color-warning: #D97706;
    --color-error: #DC2626;
}

*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background-color: var(--color-bg);
    color: var(--color-text-main);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 1.5rem;
    line-height: 1.5;
}

/* Contenedor Principal (Caja Dividida en 2) */
.login-card {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    max-width: 880px;
    width: 100%;
    display: flex;
    overflow: hidden;
    min-height: 520px;
}

/* Lado Izquierdo: Imagen */
.login-media-side {
    flex: 1;
    position: relative;
    background-color: #171717;
    overflow: hidden;
    min-height: 280px;
}

.login-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    display: block;
    transition: transform 0.4s ease;
}

.login-media-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(0, 0, 0, 0.15) 0%, rgba(23, 23, 23, 0.65) 100%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 2rem;
    color: #FFFFFF;
}

.login-media-brand {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 700;
    font-size: 1.25rem;
    color: #FFFFFF;
    margin-bottom: 0.5rem;
}

.login-media-brand .badge-icon {
    background-color: var(--color-primary);
    color: #FFFFFF;
    width: 32px;
    height: 32px;
    border-radius: 6px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
}

.login-media-text {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.85);
    line-height: 1.4;
}

/* Lado Derecho: Formulario */
.login-form-side {
    flex: 1;
    padding: 3rem 2.5rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    background-color: var(--color-surface);
}

/* Encabezado del Formulario */
.form-header {
    margin-bottom: 2rem;
}

.brand-title-mobile {
    display: none;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-text-main);
    margin-bottom: 1rem;
    text-decoration: none;
}

.brand-title-mobile .badge-icon {
    background-color: var(--color-primary);
    color: #FFFFFF;
    width: 30px;
    height: 30px;
    border-radius: 6px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
}

.brand-highlight {
    color: var(--color-primary);
}

.login-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--color-text-main);
    margin-bottom: 0.375rem;
    letter-spacing: -0.015em;
}

.login-subtitle {
    font-size: 14px;
    font-weight: 400;
    color: var(--color-text-muted);
}

/* Form Groups & Inputs */
.login-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
}

.label-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.form-label {
    font-size: 13px;
    font-weight: 500;
    color: var(--color-text-main);
}

.forgot-link {
    font-size: 12px;
    font-weight: 500;
    color: var(--color-primary);
    text-decoration: none;
    transition: color 0.2s ease;
    align-items: end;
}

.forgot-password {
    display: flex;
    justify-content: flex-end;
}

.forgot-link:hover {
    color: var(--color-primary-dark);
    text-decoration: underline;
}

/* Input con Icono */
.input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.input-icon {
    position: absolute;
    left: 0.875rem;
    color: #9CA3AF;
    font-size: 1rem;
    pointer-events: none;
    display: flex;
    align-items: center;
    justify-content: center;
}

.form-input {
    width: 100%;
    height: 42px;
    padding: 0.375rem 0.875rem 0.375rem 2.5rem;
    background-color: #FFFFFF;
    border: 1px solid var(--color-border);
    border-radius: 4px;
    font-size: 14px;
    font-family: inherit;
    color: var(--color-text-main);
    outline: none;
    transition: all 0.2s ease-in-out;
}

.form-input::placeholder {
    color: #9CA3AF;
    font-size: 13px;
}

.form-input:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(237, 28, 36, 0.15);
}

/* Botón Mostrar/Ocultar Contraseña */
.btn-toggle-password {
    position: absolute;
    right: 0.75rem;
    background: transparent;
    border: none;
    cursor: pointer;
    color: #9CA3AF;
    font-size: 1.1rem;
    padding: 0.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color 0.2s ease;
}

.btn-toggle-password:hover {
    color: var(--color-text-main);
}

/* Botón Principal */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    border-radius: 4px;
    padding: 0.625rem 1.25rem;
    font-size: 14px;
    font-weight: 500;
    font-family: inherit;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.2s ease-in-out;
    border: 1px solid transparent;
}

.btn-primary {
    background-color: var(--color-primary);
    color: #FFFFFF;
    border-color: var(--color-primary);
    height: 44px;
}

.btn-primary:hover {
    background-color: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
}

.btn-block {
    width: 100%;
    margin-top: 0.5rem;
}

/* Mensajes de Alerta */
.alert-box {
    padding: 0.75rem 1rem;
    border-radius: 4px;
    font-size: 13px;
    margin-bottom: 1.25rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.alert-error {
    background-color: #FEE2E2;
    color: #991B1B;
    border: 1px solid #FCA5A5;
}

/* Footer Copyright */
.login-footer {
    text-align: center;
    margin-top: 1.5rem;
    font-size: 12px;
    color: var(--color-text-muted);
}

/* Responsividad (Mobile & Tablet) */
@media (max-width: 820px) {
    .login-card {
        flex-direction: column;
        max-width: 460px;
    }

    .login-media-side {
        min-height: 200px;
        max-height: 220px;
    }

    .login-media-overlay {
        padding: 1.25rem;
    }

    .login-media-text {
        display: none;
    }

    .login-form-side {
        padding: 2rem 1.5rem;
    }

    .form-header {
        margin-bottom: 1.5rem;
    }
}

@media (max-width: 480px) {
    body {
        padding: 1rem 0.75rem;
    }

    .login-card {
        border-radius: 8px;
        box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    }

    .login-media-side {
        min-height: 160px;
    }

    .login-form-side {
        padding: 1.5rem 1.125rem;
    }

    .login-title {
        font-size: 20px;
    }

    .login-subtitle {
        font-size: 13px;
    }

    .form-input {
        font-size: 14px;
    }
}