/* Authentication Modal Styles */
.auth-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
    z-index: 1000;
    animation: fadeIn 0.3s ease;
}

.auth-modal.show {
    display: flex;
    align-items: center;
    justify-content: center;
}

.auth-modal-content {
    background: var(--background-card);
    border-radius: var(--border-radius);
    padding: var(--spacing-xl);
    max-width: 400px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
    animation: slideIn 0.3s ease;
}

/* Login Page Styles */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--background-dark);
}

.login-page-container {
    width: 100%;
    max-width: 400px;
    padding: var(--spacing-md);
}

.login-card {
    background: var(--background-card);
    border-radius: var(--border-radius);
    padding: var(--spacing-xl);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
}

.login-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.login-header h1 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    font-size: 1.5rem;
    font-weight: 600;
}

.brand-name {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.login-header p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.login-btn {
    background: var(--gradient-primary);
    border: none;
    border-radius: var(--border-radius-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--text-primary);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1rem;
}

.login-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(155, 0, 255, 0.3);
}

.login-footer {
    text-align: center;
    margin-top: var(--spacing-md);
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.signup-link {
    color: var(--accent-purple);
    text-decoration: none;
}

.signup-link:hover {
    text-decoration: underline;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.form-group label {
    color: var(--text-primary);
    font-weight: 500;
    font-size: 0.9rem;
}

.form-group input {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-sm);
    padding: var(--spacing-sm);
    color: var(--text-primary);
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-group input:focus {
    outline: none;
    border-color: var(--accent-purple);
    box-shadow: 0 0 0 2px rgba(155, 0, 255, 0.2);
}

.auth-button {
    background: var(--gradient-primary);
    border: none;
    border-radius: var(--border-radius-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--text-primary);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1rem;
}

.auth-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(155, 0, 255, 0.3);
}

.auth-button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.auth-divider {
    display: flex;
    align-items: center;
    margin: var(--spacing-md) 0;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.auth-divider::before,
.auth-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: rgba(255, 255, 255, 0.1);
}

.auth-divider::before {
    margin-right: var(--spacing-sm);
}

.auth-divider::after {
    margin-left: var(--spacing-sm);
}

.close-modal {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.5rem;
    cursor: pointer;
    transition: color 0.3s ease;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.close-modal:hover {
    color: var(--text-primary);
}

.auth-switch {
    text-align: center;
    margin-top: var(--spacing-md);
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.auth-switch a {
    color: var(--accent-purple);
    text-decoration: none;
    font-weight: 500;
}

.auth-switch a:hover {
    text-decoration: underline;
}

/* Logo link styling */
.logo-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    text-decoration: none;
    color: inherit;
    transition: opacity 0.3s ease;
}

.logo-link:hover {
    opacity: 0.8;
}

/* Loading States */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

.spinner {
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top: 2px solid var(--text-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-right: var(--spacing-xs);
}

/* Error Messages */
.error-message {
    background: rgba(255, 68, 68, 0.1);
    border: 1px solid rgba(255, 68, 68, 0.3);
    border-radius: var(--border-radius-sm);
    padding: var(--spacing-sm);
    color: #ff6b6b;
    font-size: 0.9rem;
    margin-bottom: var(--spacing-md);
}

.success-message {
    background: rgba(76, 175, 80, 0.1);
    border: 1px solid rgba(76, 175, 80, 0.3);
    border-radius: var(--border-radius-sm);
    padding: var(--spacing-sm);
    color: #81c784;
    font-size: 0.9rem;
    margin-bottom: var(--spacing-md);
}

/* Confirmation Modal */
.confirm-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
    z-index: 1001;
}

.confirm-modal.show {
    display: flex;
    align-items: center;
    justify-content: center;
}

.confirm-modal-content {
    background: var(--background-card);
    border-radius: var(--border-radius);
    padding: var(--spacing-xl);
    max-width: 400px;
    width: 90%;
    border: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.confirm-modal h3 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.confirm-modal p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}

.confirm-actions {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

    100% {
        transform: rotate(360deg);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .auth-modal-content {
        padding: var(--spacing-lg);
    }

    .account-actions {
        flex-direction: column;
    }

    .confirm-actions {
        flex-direction: column;
    }
}