/* Account Settings Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    color: #333;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    min-height: 100vh;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
}

/* Header */
.header {
    background: white;
    border-bottom: 1px solid #e5e7eb;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: #667eea;
}

.logo i {
    font-size: 1.8rem;
}

.nav {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    text-decoration: none;
    color: #6b7280;
    border-radius: 8px;
    transition: all 0.2s ease;
    font-weight: 500;
}

.nav-link:hover {
    background: #f3f4f6;
    color: #374151;
}

.nav-link.active {
    background: #667eea;
    color: white;
}

.sign-out-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: #ef4444;
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.2s ease;
}

.sign-out-btn:hover {
    background: #dc2626;
}

/* Main Content */
.main {
    padding: 2rem;
}

/* Loading State */
.loading-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 400px;
    gap: 1rem;
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid #f3f4f6;
    border-top: 4px solid #667eea;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Demo Banner */
.demo-banner {
    background: linear-gradient(135deg, #fbbf24, #f59e0b);
    color: white;
    padding: 1rem;
    border-radius: 12px;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 2rem;
    font-weight: 500;
}

/* Settings Sections */
.settings-section {
    margin-bottom: 2rem;
}

.section-header {
    margin-bottom: 1rem;
}

.section-header h2 {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 600;
    color: #374151;
    margin-bottom: 0.5rem;
}

.section-header p {
    color: #6b7280;
    font-size: 0.95rem;
}

.settings-card {
    background: white;
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    border: 1px solid #e5e7eb;
}

/* Profile Section */
.profile-info {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.profile-avatar {
    position: relative;
    width: 80px;
    height: 80px;
}

.avatar-img {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
}

.avatar-placeholder {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea, #764ba2);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2rem;
}

.profile-details h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: #374151;
    margin-bottom: 0.25rem;
}

.profile-details p {
    color: #6b7280;
    margin-bottom: 0.5rem;
}

.plan-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: #f3f4f6;
    color: #374151;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 500;
}

.plan-badge.premium {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
}

.plan-badge.pro {
    background: linear-gradient(135deg, #f59e0b, #d97706);
    color: white;
}

.profile-actions {
    display: flex;
    gap: 1rem;
}

/* Subscription Info */
.subscription-info {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.subscription-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    background: #f9fafb;
    border-radius: 8px;
}

.subscription-item h4 {
    font-weight: 600;
    color: #374151;
    margin-bottom: 0.25rem;
}

.subscription-item p {
    color: #6b7280;
    font-size: 0.875rem;
}

/* Setting Items */
.setting-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
    border-bottom: 1px solid #f3f4f6;
}

.setting-item:last-child {
    border-bottom: none;
}

.setting-info h4 {
    font-weight: 600;
    color: #374151;
    margin-bottom: 0.25rem;
}

.setting-info p {
    color: #6b7280;
    font-size: 0.875rem;
}

/* Toggle Switch */
.toggle-switch {
    position: relative;
    display: inline-block;
    width: 50px;
    height: 24px;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #ccc;
    transition: 0.3s;
    border-radius: 24px;
}

.toggle-slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    transition: 0.3s;
    border-radius: 50%;
}

input:checked + .toggle-slider {
    background-color: #667eea;
}

input:checked + .toggle-slider:before {
    transform: translateX(26px);
}

/* Data Actions */
.data-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

/* Support Links */
.support-links {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.support-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem;
    background: #f9fafb;
    border-radius: 8px;
    text-decoration: none;
    color: #374151;
    transition: all 0.2s ease;
}

.support-link:hover {
    background: #f3f4f6;
    transform: translateY(-1px);
}

.support-link span {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 500;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 8px;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 0.875rem;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
}

.btn-secondary {
    background: #f3f4f6;
    color: #374151;
    border: 1px solid #d1d5db;
}

.btn-secondary:hover {
    background: #e5e7eb;
}

.btn-danger {
    background: #ef4444;
    color: white;
}

.btn-danger:hover {
    background: #dc2626;
}

/* Sign In Prompt */
.sign-in-prompt {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 400px;
}

.sign-in-card {
    background: white;
    padding: 3rem;
    border-radius: 16px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    text-align: center;
    max-width: 400px;
    width: 100%;
}

.sign-in-card i {
    font-size: 3rem;
    color: #667eea;
    margin-bottom: 1rem;
}

.sign-in-card h2 {
    font-size: 1.5rem;
    font-weight: 600;
    color: #374151;
    margin-bottom: 0.5rem;
}

.sign-in-card p {
    color: #6b7280;
    margin-bottom: 2rem;
}

.sign-in-card .btn {
    width: 100%;
    margin-bottom: 1rem;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
}

.modal-content {
    background: white;
    margin: 5% auto;
    border-radius: 12px;
    width: 90%;
    max-width: 500px;
    box-shadow: 0 20px 25px rgba(0, 0, 0, 0.1);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    border-bottom: 1px solid #e5e7eb;
}

.modal-header h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: #374151;
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.25rem;
    color: #6b7280;
    cursor: pointer;
    padding: 0.25rem;
    border-radius: 4px;
    transition: all 0.2s ease;
}

.modal-close:hover {
    background: #f3f4f6;
    color: #374151;
}

.modal-body {
    padding: 1.5rem;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
    padding: 1.5rem;
    border-top: 1px solid #e5e7eb;
}

/* Form Elements */
.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    font-weight: 500;
    color: #374151;
    margin-bottom: 0.5rem;
}

.form-input {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #d1d5db;
    border-radius: 8px;
    font-size: 0.875rem;
    transition: all 0.2s ease;
}

.form-input:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.form-input:read-only {
    background: #f9fafb;
    color: #6b7280;
}

.form-group small {
    color: #6b7280;
    font-size: 0.75rem;
    margin-top: 0.25rem;
    display: block;
}

/* Responsive Design */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        gap: 1rem;
        padding: 1rem;
    }

    .nav {
        flex-wrap: wrap;
        justify-content: center;
    }

    .main {
        padding: 1rem;
    }

    .profile-info {
        flex-direction: column;
        text-align: center;
    }

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

    .data-actions .btn {
        width: 100%;
    }

    .setting-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }

    .modal-content {
        margin: 10% auto;
        width: 95%;
    }
}

@media (max-width: 480px) {
    .sign-in-card {
        padding: 2rem 1.5rem;
    }

    .profile-avatar {
        width: 60px;
        height: 60px;
    }

    .avatar-placeholder {
        font-size: 1.5rem;
    }
}