/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.modal-content {
    background-color: var(--white);
    margin: 5% auto;
    padding: 0;
    border-radius: var(--border-radius);
    width: 90%;
    max-width: 500px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    animation: slideIn 0.3s ease;
    position: relative;
    overflow: hidden;
}

@keyframes slideIn {
    from {
        transform: translateY(-50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.close {
    position: absolute;
    right: 20px;
    top: 20px;
    color: var(--dark-gray);
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    z-index: 10;
    transition: var(--transition);
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background-color: var(--light-gray);
}

.close:hover,
.close:focus {
    color: var(--error-color);
    background-color: var(--gray);
}

/* Login Container */
.login-container {
    padding: 2rem;
}

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

.login-logo {
    width: 80px;
    height: 80px;
    object-fit: contain;
    margin-bottom: 1rem;
}

.login-header h2 {
    color: var(--primary-color);
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
}

/* Login Form */
.login-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.login-form .form-group {
    margin-bottom: 0;
}

.login-form label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: var(--font-medium);
    color: var(--primary-color);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.login-form input {
    width: 100%;
    padding: 15px;
    border: 2px solid var(--gray);
    border-radius: var(--border-radius);
    font-family: var(--font-family);
    font-size: 1rem;
    transition: var(--transition);
    background-color: var(--light-gray);
}

.login-form input:focus {
    outline: none;
    border-color: var(--accent-color);
    background-color: var(--white);
    box-shadow: 0 0 0 3px rgba(49, 130, 206, 0.1);
}

.login-form .btn {
    width: 100%;
    padding: 15px;
    font-size: 1.1rem;
    font-weight: var(--font-bold);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 1rem;
}

.login-info {
    text-align: center;
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--gray);
}

.login-info p {
    color: var(--dark-gray);
    font-size: 0.9rem;
    margin: 0;
}

/* Error Messages */
.error-message {
    background-color: #fed7d7;
    color: var(--error-color);
    padding: 10px;
    border-radius: var(--border-radius);
    margin-bottom: 1rem;
    font-size: 0.9rem;
    border-left: 4px solid var(--error-color);
}

.success-message {
    background-color: #c6f6d5;
    color: var(--success-color);
    padding: 10px;
    border-radius: var(--border-radius);
    margin-bottom: 1rem;
    font-size: 0.9rem;
    border-left: 4px solid var(--success-color);
}

/* Loading State */
.loading {
    position: relative;
    pointer-events: none;
}

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

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Responsive Design */
@media (max-width: 768px) {
    .modal-content {
        margin: 10% auto;
        width: 95%;
    }
    
    .login-container {
        padding: 1.5rem;
    }
    
    .login-header h2 {
        font-size: 1.5rem;
    }
    
    .login-logo {
        width: 60px;
        height: 60px;
    }
}

@media (max-width: 480px) {
    .modal-content {
        margin: 5% auto;
        width: 98%;
    }
    
    .login-container {
        padding: 1rem;
    }
    
    .login-form input {
        padding: 12px;
    }
    
    .login-form .btn {
        padding: 12px;
        font-size: 1rem;
    }
}