/* ======================================================
   LOGIN - ESTILOS INSTITUCIONALES
   Usa las variables de :root definidas en style.css
   ====================================================== */

/* ======================================================
   PAGE BASE
   ====================================================== */

.login-page {
    margin: 0;
    padding: 0;
    min-height: 100vh;
    overflow: hidden;
    background-color: var(--bg-body);
}

/* ======================================================
   LAYOUT WRAPPER (Split Screen)
   ====================================================== */

.login-wrapper {
    display: flex;
    min-height: 100vh;
    width: 100%;
}

/* ======================================================
   HERO / LADO IZQUIERDO CON IMAGEN Y DEGRADÉ
   ====================================================== */

.login-hero {
    position: relative;
    flex: 0 0 55%;
    max-width: 55%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    overflow: hidden;

    /* Imagen de fondo */
    background:
        url('../img/login-bg.jpg') center center / cover no-repeat;
}

/* Overlay con degradé institucional */
.login-hero__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        rgba(var(--color-primary-rgb), 0.92) 0%,
        rgba(var(--color-primary-rgb), 0.78) 40%,
        rgba(var(--color-secondary-rgb), 0.65) 100%
    );
    z-index: 1;
}

/* Contenido centrado sobre la imagen */
.login-hero__content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 2rem;
    color: #FFFFFF;
    max-width: 460px;
}

.login-hero__icon {
    width: 80px;
    height: 80px;
    border-radius: 22px;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    border: 2px solid rgba(255, 255, 255, 0.25);
}

.login-hero__icon i {
    font-size: 2rem;
    color: #FFFFFF;
}

.login-hero__title {
    font-size: 2.5rem;
    font-weight: 800;
    letter-spacing: -1px;
    margin-bottom: 0.25rem;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.15);
}

.login-hero__subtitle {
    font-size: 1.05rem;
    font-weight: 500;
    opacity: 0.9;
    margin-bottom: 1.5rem;
}

.login-hero__divider {
    width: 50px;
    height: 3px;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 3px;
    margin: 0 auto 1.5rem;
}

.login-hero__description {
    font-size: 0.92rem;
    font-weight: 400;
    opacity: 0.8;
    line-height: 1.7;
    margin: 0;
}

.login-hero__footer {
    position: absolute;
    bottom: 1.5rem;
    left: 0;
    right: 0;
    text-align: center;
    z-index: 2;
    color: rgba(255, 255, 255, 0.45);
    font-size: 0.75rem;
}

/* ======================================================
   FORMULARIO / LADO DERECHO
   ====================================================== */

.login-form-side {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    background: var(--bg-surface);
    position: relative;
}

/* Línea decorativa superior con degradé */
.login-form-side::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(
        90deg,
        var(--color-primary) 0%,
        var(--color-primary-light) 50%,
        var(--color-secondary) 100%
    );
}

.login-form-container {
    width: 100%;
    max-width: 420px;
}

/* ======================================================
   BRAND MÓVIL (visible < lg)
   ====================================================== */

.login-mobile-brand {
    text-align: center;
    margin-bottom: 2rem;
}

.login-mobile-brand__icon {
    width: 56px;
    height: 56px;
    border-radius: 16px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 0.75rem;
    box-shadow: 0 4px 15px rgba(var(--color-primary-rgb), 0.35);
}

.login-mobile-brand__icon i {
    font-size: 1.4rem;
    color: #FFFFFF;
}

.login-mobile-brand__text {
    display: block;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-primary);
    letter-spacing: -0.5px;
}

/* ======================================================
   HEADER DEL FORMULARIO
   ====================================================== */

.login-form-header {
    margin-bottom: 2rem;
}

.login-form-header__title {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 0.4rem;
    letter-spacing: -0.5px;
}

.login-form-header__subtitle {
    font-size: 0.9rem;
    color: var(--text-muted);
    font-weight: 400;
    margin: 0;
}

/* ======================================================
   CAMPOS DEL FORMULARIO
   ====================================================== */

.login-field {
    margin-bottom: 1.35rem;
}

.login-field__label {
    display: block;
    font-size: 0.78rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
    margin-bottom: 0.45rem;
}

.login-field__label i {
    color: var(--color-primary);
    margin-right: 4px;
    font-size: 0.75rem;
}

.login-field__input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.login-field__icon {
    position: absolute;
    left: 14px;
    color: var(--text-muted);
    font-size: 0.88rem;
    z-index: 2;
    transition: color 0.2s ease;
    pointer-events: none;
}

.login-field__input {
    padding: 0.8rem 1rem 0.8rem 2.8rem;
    font-size: 0.95rem;
    border: 1.5px solid var(--border-color);
    border-radius: var(--radius-sm);
    background: var(--bg-surface-alt);
    color: var(--text-primary);
    transition: all 0.2s ease;
    width: 100%;
}

.login-field__input:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(var(--color-primary-rgb), 0.1);
    background: var(--bg-surface);
    outline: none;
}

.login-field__input:focus ~ .login-field__icon,
.login-field__input:focus + .login-field__icon {
    color: var(--color-primary);
}

/* Cuando el input tiene focus, cambiar el ícono del wrapper */
.login-field__input-wrapper:focus-within .login-field__icon {
    color: var(--color-primary);
}

.login-field__input::placeholder {
    color: var(--text-muted);
    font-weight: 400;
}

/* Toggle de contraseña */
.login-field__toggle {
    position: absolute;
    right: 12px;
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 0.9rem;
    cursor: pointer;
    padding: 4px 6px;
    border-radius: 4px;
    transition: color 0.2s ease;
    z-index: 2;
}

.login-field__toggle:hover {
    color: var(--color-primary);
}

/* ======================================================
   OPCIONES (Recordar / Olvidé pass)
   ====================================================== */

.login-options {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.5rem;
    font-size: 0.85rem;
}

.login-options .form-check-label {
    color: var(--text-secondary);
    font-weight: 500;
    cursor: pointer;
}

.login-options .form-check-input {
    border-color: var(--border-color);
    cursor: pointer;
}

.login-options .form-check-input:checked {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
}

.login-options .form-check-input:focus {
    box-shadow: 0 0 0 3px rgba(var(--color-primary-rgb), 0.15);
}

.login-options__forgot {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.83rem;
    transition: color 0.2s ease;
}

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

/* ======================================================
   ALERTA DE ERROR
   ====================================================== */

.login-alert {
    background: rgba(var(--color-primary-rgb), 0.08);
    border: 1px solid rgba(var(--color-primary-rgb), 0.2);
    border-radius: var(--radius-sm);
    padding: 0.75rem 1rem;
    margin-bottom: 1.25rem;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--color-primary-dark);
    display: flex;
    align-items: center;
    gap: 8px;
    animation: shakeAlert 0.4s ease;
}

.login-alert i {
    font-size: 0.9rem;
}

@keyframes shakeAlert {
    0%, 100% { transform: translateX(0); }
    20% { transform: translateX(-6px); }
    40% { transform: translateX(6px); }
    60% { transform: translateX(-4px); }
    80% { transform: translateX(4px); }
}

/* ======================================================
   BOTÓN DE LOGIN
   ====================================================== */

.login-btn {
    width: 100%;
    padding: 0.85rem 1.5rem;
    font-size: 1rem;
    font-weight: 700;
    border: none;
    border-radius: var(--radius-sm);
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: #FFFFFF;
    box-shadow: 0 4px 15px rgba(var(--color-primary-rgb), 0.35);
    transition: all 0.25s ease;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.login-btn:hover {
    background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-primary) 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(var(--color-primary-rgb), 0.4);
    color: #FFFFFF;
}

.login-btn:active {
    transform: translateY(0);
    box-shadow: 0 2px 8px rgba(var(--color-primary-rgb), 0.3);
}

.login-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

.login-btn__text,
.login-btn__loading {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

/* ======================================================
   FOOTER DEL FORMULARIO
   ====================================================== */

.login-form-footer {
    text-align: center;
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color-light);
}

.login-form-footer p {
    font-size: 0.78rem;
    color: var(--text-muted);
    font-weight: 500;
    margin: 0;
}

.login-form-footer i {
    color: var(--color-primary);
    margin-right: 4px;
}

/* ======================================================
   RESPONSIVE - TABLET
   ====================================================== */

@media (max-width: 992px) {
    .login-hero {
        display: none;
    }

    .login-form-side {
        flex: 1;
        max-width: 100%;
    }

    .login-form-side::before {
        height: 5px;
    }

    .login-form-container {
        max-width: 440px;
    }
}

/* ======================================================
   RESPONSIVE - MÓVIL
   ====================================================== */

@media (max-width: 576px) {
    .login-form-side {
        padding: 1.5rem 1.25rem;
        align-items: flex-start;
        padding-top: 3rem;
    }

    .login-form-header__title {
        font-size: 1.5rem;
    }

    .login-form-header__subtitle {
        font-size: 0.85rem;
    }

    .login-field__input {
        padding: 0.75rem 1rem 0.75rem 2.6rem;
        font-size: 16px; /* Previene zoom en iOS */
    }

    .login-btn {
        padding: 0.8rem;
        font-size: 0.95rem;
    }

    .login-options {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
    }

    .login-mobile-brand {
        margin-bottom: 1.5rem;
    }

    .login-mobile-brand__icon {
        width: 48px;
        height: 48px;
        border-radius: 14px;
    }

    .login-mobile-brand__text {
        font-size: 1.3rem;
    }
}

/* ======================================================
   ANIMACIÓN DE ENTRADA
   ====================================================== */

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.login-form-container {
    animation: fadeInUp 0.5s ease forwards;
}

.login-hero__content {
    animation: fadeInUp 0.6s ease 0.2s both;
}

/* ======================================================
   OTP CODE BOXES
   ====================================================== */

.otp-container {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
}

.otp-box {
    width: 52px;
    height: 60px;
    border: 2px solid #d0d5dd;
    border-radius: 12px;
    text-align: center;
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--text-dark);
    background: #fff;
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s, transform 0.15s;
    caret-color: var(--color-primary);
}

.otp-box:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(23, 163, 163, 0.15);
    transform: scale(1.05);
}

.otp-box.filled {
    border-color: var(--color-primary);
    background: rgba(23, 163, 163, 0.04);
}

.otp-box.error {
    border-color: #C62828;
    animation: shake 0.4s ease;
}

.otp-separator {
    font-size: 1.2rem;
    color: #adb5bd;
    font-weight: 300;
    margin: 0 2px;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-4px); }
    75% { transform: translateX(4px); }
}

@media (max-width: 400px) {
    .otp-box {
        width: 42px;
        height: 50px;
        font-size: 1.3rem;
    }
    .otp-container {
        gap: 5px;
    }
}