.auth-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    background: linear-gradient(135deg, var(--darker) 0%, var(--dark) 100%);
    position: relative;
}

.auth-card {
    background: var(--card-bg);
    border-radius: var(--radius-xl);
    padding: 3rem;
    width: 100%;
    max-width: 480px;
    border: 1px solid var(--border);
    position: relative;
    z-index: 1;
}

.auth-alert-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 10000;
    display: flex;
    flex-direction: column;
    gap: 10px;
    max-width: 400px;
    width: 90%;
    pointer-events: none;
}

.auth-alert {
    padding: 16px 20px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    gap: 12px;
    animation: alertSlideIn 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    pointer-events: auto;
    backdrop-filter: blur(10px);
    border: 1px solid;
    transform: translateX(0);
    transition: transform 0.3s ease, opacity 0.3s ease;
}

.auth-alert.error {
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.12), rgba(239, 68, 68, 0.08));
    border-color: rgba(239, 68, 68, 0.3);
    color: #ef4444;
}

.auth-alert.success {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.12), rgba(16, 185, 129, 0.08));
    border-color: rgba(16, 185, 129, 0.3);
    color: #10b981;
}

.auth-alert.warning {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.12), rgba(245, 158, 11, 0.08));
    border-color: rgba(245, 158, 11, 0.3);
    color: #f59e0b;
}

.auth-alert.info {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.12), rgba(59, 130, 246, 0.08));
    border-color: rgba(59, 130, 246, 0.3);
    color: #3b82f6;
}

.auth-alert-icon {
    font-size: 1.2rem;
    flex-shrink: 0;
    width: 24px;
    text-align: center;
}

.auth-alert-content {
    flex: 1;
    font-weight: 500;
    font-size: 0.95rem;
    line-height: 1.4;
}

.auth-alert-close {
    background: none;
    border: none;
    color: inherit;
    opacity: 0.7;
    cursor: pointer;
    padding: 4px;
    border-radius: 6px;
    transition: all 0.2s ease;
    font-size: 1rem;
    flex-shrink: 0;
}

.auth-alert-close:hover {
    opacity: 1;
    background: rgba(255, 255, 255, 0.1);
}

@keyframes alertSlideIn {
    from {
        opacity: 0;
        transform: translateX(100px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes alertSlideOut {
    from {
        opacity: 1;
        transform: translateX(0);
    }
    to {
        opacity: 0;
        transform: translateX(100px);
    }
}

.auth-alert.slide-out {
    animation: alertSlideOut 0.3s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.message {
    display: none !important;
}

.auth-header {
    text-align: center;
    margin-bottom: 2.5rem;
}

.auth-header .logo {
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    display: inline-block;
}

.auth-header h1 {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
    color: var(--light);
}

.auth-header p {
    color: var(--light-gray);
    font-size: 1rem;
}

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

.auth-form label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
    color: var(--light);
    font-weight: 500;
    font-size: 0.95rem;
}

.auth-form input {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--darker);
    color: var(--light);
    font-size: 1rem;
    transition: var(--transition);
}

.auth-form input:focus {
    outline: none;
    border-color: var(--primary);
}

.help-text {
    display: block;
    margin-top: 0.25rem;
    color: var(--light-gray);
    font-size: 0.85rem;
}

.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.checkbox {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    color: var(--light-gray);
    font-size: 0.9rem;
}

.checkbox input {
    width: auto;
    margin: 0;
}

.forgot-link {
    color: var(--primary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition);
}

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

.btn-block {
    width: 100%;
    justify-content: center;
}

.auth-divider {
    display: flex;
    align-items: center;
    margin: 1.5rem 0;
    color: var(--light-gray);
}

.auth-divider::before,
.auth-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border);
}

.auth-divider span {
    padding: 0 1rem;
    font-size: 0.9rem;
}

.auth-links {
    text-align: center;
    margin-top: 1.5rem;
    color: var(--light-gray);
    font-size: 0.95rem;
}

.auth-links a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

.auth-links a:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}
.submit-btn {
    width: 100%;
    padding: 1rem 1.5rem;
    font-size: 1rem;
    font-weight: 600;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    border-radius: 8px;
    background: var(--primary);
    color: white;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.submit-btn .btn-text {
    transition: opacity 0.2s ease;
}

.submit-btn.loading .btn-text {
    opacity: 0.7;
}

.submit-btn .btn-loader {
    display: none;
}

.submit-btn.loading .btn-loader {
    display: block;
}

.btn-loading-bar {
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

@media (max-width: 768px) {
    .auth-card {
        padding: 2rem;
    }
    
    .auth-header h1 {
        font-size: 1.75rem;
    }
    
    .form-options {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
    
    .auth-alert-container {
        top: 10px;
        right: 10px;
        left: 10px;
        max-width: none;
    }
    
    .auth-alert {
        padding: 14px 16px;
    }
}

@media (max-width: 480px) {
    .auth-container {
        padding: 1rem;
    }
    
    .auth-card {
        padding: 1.5rem;
    }
    
    .auth-header h1 {
        font-size: 1.5rem;
    }
    
    .auth-alert-container {
        top: 5px;
        right: 5px;
        left: 5px;
    }
    
    .auth-alert {
        padding: 12px 14px;
    }
}