/* Estilos específicos para la pantalla de login */

.login-page {
    min-height: 100vh;
    background: var(--gradient-dark);
    background-image: url('../assets/backgrounds/login-bg.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-attachment: fixed;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

/* Overlay oscuro sobre la imagen de fondo */
.login-page::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(17, 24, 39, 0.75);
    z-index: 1;
}

.login-container {
    position: relative;
    z-index: 2;
    background: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    width: 100%;
    max-width: 450px;
    margin: 2rem;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* Header del formulario de login */
.login-header {
    background: var(--gradient-primary);
    padding: 2rem;
    text-align: center;
    color: var(--white);
    position: relative;
}

.login-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('../assets/images/pattern.png') repeat;
    opacity: 0.1;
    z-index: 1;
}

.login-header > * {
    position: relative;
    z-index: 2;
}

.login-logo {
    width: 80px;
    height: 80px;
    margin: 0 auto 1rem;
    border-radius: 50%;
    background: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
}

.login-logo img {
    width: 60px;
    height: 60px;
    object-fit: contain;
}

.login-logo-icon {
    font-size: 2.5rem;
    color: var(--primary-blue);
}

.login-title {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.login-subtitle {
    font-size: 1rem;
    opacity: 0.9;
    font-weight: 400;
}

/* Cuerpo del formulario */
.login-body {
    padding: 2rem;
}

.login-form .form-group {
    margin-bottom: 1.5rem;
}

.login-form .form-label {
    font-weight: 600;
    color: var(--black);
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.login-form .form-label i {
    color: var(--secondary-blue);
    font-size: 1.1rem;
}

.login-form .form-control {
    padding: 1rem 1.25rem;
    border: 2px solid var(--border-gray);
    border-radius: var(--radius-md);
    font-size: 1rem;
    transition: all var(--transition-normal);
    background: var(--off-white);
}

.login-form .form-control:focus {
    background: var(--white);
    border-color: var(--secondary-blue);
    box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.1);
    transform: translateY(-1px);
}

.login-form .form-control::placeholder {
    color: var(--medium-gray);
    opacity: 0.8;
}

/* Botón de login */
.login-btn {
    width: 100%;
    padding: 1rem 2rem;
    background: var(--gradient-primary);
    color: var(--white);
    border: none;
    border-radius: var(--radius-md);
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-top: 1rem;
    position: relative;
    overflow: hidden;
}

.login-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left var(--transition-slow);
}

.login-btn:hover::before {
    left: 100%;
}

.login-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.login-btn:active {
    transform: translateY(0);
}

.login-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* Mensajes de error */
.login-error {
    background: #fef2f2;
    color: #991b1b;
    padding: 1rem;
    border-radius: var(--radius-md);
    border-left: 4px solid #dc2626;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    animation: slideInDown 0.3s ease;
}

.login-error i {
    color: #dc2626;
    font-size: 1.2rem;
}

@keyframes slideInDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Información de credenciales por defecto */
.default-credentials {
    background: var(--light-blue);
    color: var(--primary-blue);
    padding: 1.5rem;
    border-radius: var(--radius-md);
    margin-top: 1.5rem;
    border: 1px solid rgba(59, 130, 246, 0.2);
}

.default-credentials h4 {
    color: var(--primary-blue);
    font-size: 1rem;
    margin-bottom: 0.75rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.default-credentials h4 i {
    color: var(--secondary-blue);
}

.default-credentials p {
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
    color: var(--dark-blue);
}

.default-credentials p:last-child {
    margin-bottom: 0;
}

.credential-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem;
    background: rgba(255, 255, 255, 0.5);
    border-radius: var(--radius-sm);
    margin-bottom: 0.5rem;
}

.credential-label {
    font-weight: 500;
}

.credential-value {
    font-family: 'Courier New', monospace;
    background: var(--white);
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
    font-weight: 600;
}

/* Footer del login */
.login-footer {
    background: var(--off-white);
    padding: 1rem 2rem;
    text-align: center;
    border-top: 1px solid var(--border-gray);
}

.version-info {
    color: var(--medium-gray);
    font-size: 0.875rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.version-info i {
    color: var(--secondary-blue);
}

/* Loading state */
.login-loading {
    position: relative;
}

.login-loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid var(--white);
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

/* Responsive design */
@media (max-width: 768px) {
    .login-container {
        margin: 1rem;
        max-width: 100%;
    }
    
    .login-header,
    .login-body,
    .login-footer {
        padding: 1.5rem;
    }
    
    .login-title {
        font-size: 1.5rem;
    }
    
    .login-subtitle {
        font-size: 0.9rem;
    }
    
    .login-logo {
        width: 70px;
        height: 70px;
    }
    
    .login-logo img {
        width: 50px;
        height: 50px;
    }
    
    .login-logo-icon {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .login-page {
        padding: 1rem 0.5rem;
    }
    
    .login-container {
        margin: 0.5rem;
    }
    
    .login-header,
    .login-body {
        padding: 1rem;
    }
    
    .login-title {
        font-size: 1.25rem;
    }
    
    .default-credentials {
        padding: 1rem;
    }
    
    .credential-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.25rem;
    }
}

/* Animaciones de entrada */
.login-container {
    animation: fadeInUp 0.6s ease;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Estados de focus mejorados */
.login-form .form-control:focus {
    outline: none;
}

.login-btn:focus-visible {
    outline: 3px solid rgba(59, 130, 246, 0.5);
    outline-offset: 2px;
}

/* Efectos hover mejorados */
.default-credentials:hover {
    background: rgba(219, 234, 254, 0.8);
    transform: translateY(-1px);
    transition: all var(--transition-normal);
}

/* Indicador de caps lock */
.caps-lock-warning {
    background: #fffbeb;
    color: #92400e;
    padding: 0.5rem;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    margin-top: 0.5rem;
    display: none;
    align-items: center;
    gap: 0.5rem;
    border: 1px solid #fbbf24;
}

.caps-lock-warning i {
    color: #d97706;
}

.caps-lock-warning.show {
    display: flex;
    animation: slideInDown 0.3s ease;
}