/* Settings Page Styles */
.settings-header {
    padding: 120px 0 60px;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.05), rgba(168, 85, 247, 0.05));
}

.settings-title {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 700;
    margin: 0 0 0.75rem 0;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.settings-subtitle {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin: 0;
}

/* Settings Layout */
.settings-content {
    padding: 3rem 0;
}

.account-nav-container {
    margin: 0 0 1.25rem;
}

/* Prevent any accidental horizontal overflow on small devices */
.settings-content,
.settings-layout,
.settings-panels,
.settings-panel,
.panel-content,
.settings-section {
    max-width: 100%;
}

.settings-content * {
    min-width: 0;
}

/* Override global button spacing for this page (main.css adds margin-top: 60px) */
.settings-content .btn {
    margin-top: 0;
}

.settings-layout {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 2rem;
}

/* Settings Sidebar */
.settings-sidebar {
    position: sticky;
    top: 100px;
    height: fit-content;
    max-width: 100%;
}

.settings-nav {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    background: var(--surface);
    border-radius: 12px;
    border: 1px solid var(--border);
    padding: 0.5rem;
    max-width: 100%;
}

.settings-nav-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.875rem 1rem;
    background: transparent;
    border: none;
    border-radius: 8px;
    color: var(--text-secondary);
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    text-align: left;
}

.settings-nav-item:hover {
    background: rgba(0, 212, 255, 0.05);
    color: var(--primary);
}

.settings-nav-item.active {
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.1), rgba(168, 85, 247, 0.1));
    color: var(--primary);
}

.settings-nav-item i {
    font-size: 1rem;
    width: 20px;
    text-align: center;
}

/* Settings Panels */
.settings-panels {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.settings-panel {
    display: none;
}

.settings-panel.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

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

.panel-header {
    margin-bottom: 2rem;
}

.panel-header h2 {
    font-family: var(--font-heading);
    font-size: 2rem;
    margin: 0 0 0.5rem 0;
    color: var(--text-primary);
}

.panel-header p {
    color: var(--text-secondary);
    font-size: 1rem;
    margin: 0;
}

.panel-content {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

/* Settings Sections */
.settings-section {
    background: var(--surface);
    border-radius: 12px;
    border: 1px solid var(--border);
    padding: 2rem;
}

.settings-section h3 {
    font-size: 1.3rem;
    margin: 0 0 1.5rem 0;
    color: var(--text-primary);
}

.settings-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.settings-form .form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.settings-form label {
    color: var(--text-primary);
    font-weight: 500;
    font-size: 0.95rem;
}

.settings-form input,
.settings-form select {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border);
    color: var(--text-primary);
    padding: 0.75rem 1rem;
    border-radius: 8px;
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: var(--transition);
}

.settings-form input:focus,
.settings-form select:focus {
    outline: none;
    border-color: var(--primary);
    background: rgba(0, 212, 255, 0.05);
}

.settings-form input:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.form-hint {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-top: 0.25rem;
}

.settings-form button[type="submit"] {
    margin-top: 0.5rem;
}

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

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

.setting-info h4 {
    font-size: 1rem;
    margin: 0 0 0.25rem 0;
    color: var(--text-primary);
}

.setting-info p {
    font-size: 0.85rem;
    margin: 0;
    color: var(--text-secondary);
}

/* Toggle Switch */
.toggle-switch {
    position: relative;
    width: 50px;
    height: 26px;
}

.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: var(--border);
    transition: var(--transition);
    border-radius: 26px;
}

.toggle-slider:before {
    position: absolute;
    content: "";
    height: 20px;
    width: 20px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    transition: var(--transition);
    border-radius: 50%;
}

.toggle-switch input:checked + .toggle-slider {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
}

.toggle-switch input:checked + .toggle-slider:before {
    transform: translateX(24px);
}

/* Warning Text */
.warning-text {
    color: var(--accent);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.btn-danger {
    background: var(--accent);
    color: white;
}

.btn-danger:hover {
    background: #db2777;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(236, 72, 153, 0.3);
}

/* Sessions List */
.sessions-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 1rem;
}

.session-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 8px;
    border: 1px solid var(--border);
}

.session-icon {
    width: 40px;
    height: 40px;
    border-radius: 8px;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.1), rgba(168, 85, 247, 0.1));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 1.2rem;
}

.session-info {
    flex: 1;
}

.session-info h4 {
    font-size: 0.95rem;
    margin: 0 0 0.25rem 0;
    color: var(--text-primary);
}

.session-info p {
    font-size: 0.85rem;
    margin: 0;
    color: var(--text-secondary);
}

.session-badge {
    background: rgba(16, 185, 129, 0.1);
    color: #10b981;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
}

.session-item.current {
    border-color: rgba(16, 185, 129, 0.3);
}

/* Theme Options */
.theme-options {
    display: flex;
    gap: 1rem;
}

.theme-option {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.03);
    border: 2px solid var(--border);
    border-radius: 12px;
    cursor: pointer;
    transition: var(--transition);
}

.theme-option:hover {
    border-color: var(--primary);
}

.theme-option.active {
    border-color: var(--primary);
    background: rgba(0, 212, 255, 0.05);
}

.theme-preview {
    width: 60px;
    height: 60px;
    border-radius: 8px;
}

.theme-preview.dark {
    background: var(--surface);
    border: 1px solid var(--border);
}

.theme-preview.light {
    background: #ffffff;
    border: 1px solid #e5e7eb;
}

.theme-option span {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.theme-option.active span {
    color: var(--primary);
    font-weight: 500;
}

/* Warning Box */
.warning-box {
    background: rgba(236, 72, 153, 0.1);
    border: 1px solid rgba(236, 72, 153, 0.3);
    border-radius: 8px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    z-index: 2000;
    align-items: center;
    justify-content: center;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--surface);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
}

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

.modal-header h3 {
    font-size: 1.3rem;
    margin: 0;
    color: var(--text-primary);
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
}

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

.modal-body {
    padding: 1.5rem;
}

.warning-box i {
    font-size: 2rem;
    color: var(--accent);
}

.warning-box h4 {
    font-size: 1.1rem;
    margin: 0;
    color: var(--text-primary);
}

.warning-box p {
    font-size: 0.9rem;
    margin: 0;
    color: var(--text-secondary);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .settings-layout {
        grid-template-columns: 240px 1fr;
    }
}

@media (max-width: 768px) {
    .settings-header {
        padding: 100px 0 40px;
    }
    
    .settings-title {
        font-size: 2rem;
    }
    
    .settings-subtitle {
        font-size: 1rem;
    }
    
    .settings-content {
        padding: 2rem 0;
    }
    
    .settings-layout {
        grid-template-columns: 1fr;
    }
    
    .settings-sidebar {
        position: static;
    }
    
    .settings-nav {
        flex-direction: row;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        padding: 0.5rem;
        gap: 0.25rem;
        scroll-snap-type: x mandatory;
        scrollbar-width: none;
        position: relative;
        padding-right: 1.25rem;
        padding-left: 1.25rem;
    }

    .settings-nav::-webkit-scrollbar {
        height: 0;
    }

    /* Ensure nav can actually scroll within the page width */
    .settings-sidebar {
        overflow: visible;
    }
    
    .settings-nav-item {
        flex-shrink: 0;
        padding: 0.625rem 0.875rem;
        font-size: 0.85rem;
        scroll-snap-align: start;
        max-width: 100%;
    }
    
    .settings-nav-item span {
        white-space: nowrap;
        min-width: 0;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    .settings-nav::before,
    .settings-nav::after {
        content: "";
        position: sticky;
        top: 0;
        width: 18px;
        height: 100%;
        pointer-events: none;
        z-index: 1;
        display: flex;
        align-items: center;
        justify-content: center;
        font-weight: 800;
        font-size: 0.9rem;
        color: rgba(255, 255, 255, 0.65);
        text-shadow: 0 2px 10px rgba(0, 0, 0, 0.35);
    }

    .settings-nav::before {
        left: 0;
        margin-left: -1.25rem;
        background: linear-gradient(90deg, rgba(10, 16, 33, 1), rgba(10, 16, 33, 0));
        content: "‹";
    }

    .settings-nav::after {
        right: 0;
        margin-right: -1.25rem;
        background: linear-gradient(270deg, rgba(10, 16, 33, 1), rgba(10, 16, 33, 0));
        content: "›";
    }
    
    .settings-section {
        padding: 1.5rem;
    }

    .account-nav-container {
        margin: 0 0 1rem;
    }

    /* Override global main.css mobile .btn { width: 100% } */
    .settings-content .btn,
    .settings-content a.btn,
    .settings-content button.btn {
        width: auto;
        max-width: 100%;
        margin-top: 0;
    }

    .settings-form {
        align-items: flex-start;
    }

    .settings-form button[type="submit"] {
        width: auto;
    }

    /* Avoid floating widgets visually colliding with the last inputs */
    .settings-content {
        padding-bottom: 5rem;
    }
    
    .settings-section h3 {
        font-size: 1.1rem;
    }
    
    .panel-header h2 {
        font-size: 1.5rem;
    }
    
    .theme-options {
        flex-direction: column;
    }
    
    .theme-option {
        flex-direction: row;
        justify-content: flex-start;
        padding: 0.875rem;
    }
    
    .theme-preview {
        width: 40px;
        height: 40px;
    }

    /* Buttons should wrap cleanly on mobile */
    .settings-section .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 0.5rem;
        max-width: 100%;
        white-space: normal;
    }
}

@media (max-width: 480px) {
    .settings-header {
        padding: 80px 0 30px;
    }
    
    .settings-title {
        font-size: 1.5rem;
    }
    
    .settings-section {
        padding: 1.25rem;
    }
    
    .settings-section h3 {
        font-size: 1rem;
    }
    
    .setting-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
    }
    
    .toggle-switch {
        align-self: flex-end;
    }
    
    .session-item {
        flex-direction: column;
        text-align: center;
    }
    
    .session-info {
        text-align: center;
    }
    
    .panel-header h2 {
        font-size: 1.3rem;
    }
    
    .panel-header p {
        font-size: 0.9rem;
    }
    
    /* Mobile-optimized buttons */
    .settings-section .btn {
        padding: 0.5rem 1rem;
        font-size: 0.85rem;
        width: auto;
        min-width: fit-content;
    }
    
    .settings-form button[type="submit"] {
        padding: 0.6rem 1.2rem;
        font-size: 0.85rem;
    }
    
    .btn-danger {
        padding: 0.5rem 1rem;
        font-size: 0.85rem;
    }
    
    .btn-outline {
        padding: 0.5rem 1rem;
        font-size: 0.85rem;
    }
    
    /* Button groups for mobile */
    .settings-section .btn-group {
        display: flex;
        gap: 0.5rem;
        flex-wrap: wrap;
    }
    
    .settings-section .btn-group .btn {
        flex: 1;
        min-width: calc(50% - 0.25rem);
    }
}