* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* Alert popup (toast) */
.alert-popup {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 10000;
    background: #fef3c7;
    border: 1px solid #f59e0b;
    color: #92400e;
    padding: 14px 40px 14px 16px;
    border-radius: 8px;
    box-shadow: var(--shadow-lg);
    font-size: 0.875rem;
    font-weight: 500;
    max-width: 420px;
    animation: slideIn 0.3s ease-out;
}

.alert-popup .alert-close {
    position: absolute;
    top: 8px;
    right: 10px;
    background: none;
    border: none;
    color: #92400e;
    font-size: 1.2rem;
    cursor: pointer;
    line-height: 1;
    opacity: 0.7;
}

.alert-popup .alert-close:hover {
    opacity: 1;
}

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

:root {
    --accent: #1684e3;
    --accent-hover: #1370c4;
    --accent-light: #e6f2fc;
    --accent-lighter: #f0f7ff;
    --text-primary: #0f172a;
    --text-secondary: #64748b;
    --text-tertiary: #94a3b8;
    --border: #e2e8f0;
    --border-light: #b9dcff;
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --danger: #ef4444;
    --danger-hover: #dc2626;
    --success: #10b981;
    --warning: #f59e0b;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--text-primary);
    background: var(--bg-secondary);
    height: 100vh;
    overflow: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.admin-container {
    display: flex;
    height: 100vh;
    width: 100%;
    overflow: hidden;
    background: var(--bg-primary);
}

/* Sidebar */
.conversations-sidebar {
    width: 360px;
    min-width: 360px;
    flex-shrink: 0;
    background: #b9dcff;
    border-right: 1px solid var(--border-light);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    box-shadow: 4px 0 6px -1px rgb(0 0 0 / 0.02);
    transition: width 0.3s ease, min-width 0.3s ease;
}

/* Expanded sidebar when no chat selected */
body.no-chat-selected .conversations-sidebar {
    width: 75vw;
    min-width: 75vw;
}

/* Expanded conversation items when no chat selected */
body.no-chat-selected .conversation-item {
    padding: 24px 28px;
    margin-bottom: 12px;
    border-radius: 14px;
}

body.no-chat-selected .conversation-title {
    font-size: 1.125rem;
    margin-bottom: 6px;
}

body.no-chat-selected .conversation-preview {
    font-size: 0.95rem;
}

body.no-chat-selected .conversation-meta {
    font-size: 0.85rem;
    margin-top: 10px;
}

body.no-chat-selected .conversations-list {
    padding: 20px 32px;
}

/* Universal header height */
.sidebar-header,
.chat-header {
    min-height: 72px;
    height: auto;
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border-light);
    display: flex;
    align-items: center;
    padding: 12px 24px;
    flex-shrink: 0;
}

.sidebar-header {
    background: #b9dcff;
    transition: all 0.3s ease;
}

.sidebar-header {
    justify-content: space-between;
}

.sidebar-header h2 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.header-controls {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-light);
    border-radius: 8px;
    font-size: 0.875rem;
    color: var(--text-secondary);
    transition: all 0.2s ease;
}

.user-role {
    padding: 2px 8px;
    background: var(--accent-light);
    color: var(--accent);
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
}

.logout-btn {
    padding: 8px 16px;
    background: var(--bg-secondary);
    color: var(--text-secondary);
    border: 1px solid var(--border-light);
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.875rem;
    font-weight: 500;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 8px;
}

.logout-btn:hover {
    background: var(--bg-tertiary);
    border-color: var(--border);
    color: var(--danger);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.new-chat-btn {
    padding: 10px 18px;
    background: var(--accent);
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.875rem;
    font-weight: 500;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
    box-shadow: var(--shadow-sm);
    letter-spacing: -0.01em;
}

.new-chat-btn:hover {
    background: var(--accent-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.new-chat-btn:active {
    transform: translateY(0);
}

/* Expanded sidebar header when no chat selected */
body.no-chat-selected .sidebar-header {
    justify-content: center;
    padding: 24px 40px;
    height: auto;
    min-height: 100px;
}

body.no-chat-selected .sidebar-header h2 {
    display: none;
}

/* Expanded new chat button when no chat selected */
body.no-chat-selected .new-chat-btn {
    padding: 16px 80px;
    font-size: 1.1rem;
    border-radius: 12px;
    gap: 12px;
    box-shadow: var(--shadow-md);
}

body.no-chat-selected .new-chat-btn span:first-child {
    font-size: 1.25rem;
}

/* Hide settings button when no chat selected */
body.no-chat-selected #settings-btn {
    display: none;
}

/* Conversations List */
.conversations-list {
    flex: 1;
    overflow-y: auto;
    padding: 12px;
    transition: padding 0.3s ease;
}

.conversations-list::-webkit-scrollbar {
    width: 6px;
}

.conversations-list::-webkit-scrollbar-track {
    background: transparent;
}

.conversations-list::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 3px;
}

.conversations-list::-webkit-scrollbar-thumb:hover {
    background: var(--text-tertiary);
}

.conversation-item {
    padding: 14px 16px;
    margin-bottom: 8px;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 1px solid transparent;
    position: relative;
    background: var(--bg-primary);
    box-shadow: 0 1px 3px 0 rgb(0 0 0 / 0.02);
}

.conversation-item:hover {
    background: var(--bg-primary);
    border-color: var(--border-light);
    box-shadow: var(--shadow-sm);
    transform: translateX(2px);
}

.conversation-item.active {
    background: var(--accent-lighter);
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(22, 132, 227, 0.1);
}

.conversation-item:hover .delete-btn {
    opacity: 1;
    visibility: visible;
}

.delete-btn {
    position: absolute;
    top: 12px;
    right: 12px;
    background: var(--danger);
    color: white;
    border: none;
    border-radius: 6px;
    padding: 6px 10px;
    font-size: 0.75rem;
    font-weight: 500;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all 0.2s ease;
    box-shadow: var(--shadow-sm);
}

.delete-btn:hover {
    background: var(--danger-hover);
    transform: scale(1.05);
}

.conversation-title {
    font-weight: 600;
    font-size: 0.9375rem;
    margin-bottom: 6px;
    color: var(--text-primary);
    padding-right: 60px;
    letter-spacing: -0.01em;
}

.conversation-preview {
    font-size: 0.8125rem;
    color: var(--text-secondary);
    margin-bottom: 10px;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.conversation-meta {
    display: flex;
    justify-content: space-between;
    font-size: 0.75rem;
    color: var(--text-tertiary);
    font-weight: 500;
}

/* Sidebar toggle button */
.btn-sidebar-toggle {
    width: 36px;
    height: 36px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-light);
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    color: var(--text-secondary);
    transition: all 0.2s ease;
    flex-shrink: 0;
}

.btn-sidebar-toggle:hover {
    background: var(--bg-tertiary);
    border-color: var(--border);
    color: var(--text-primary);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.btn-new-chat-inline {
    width: 36px;
    height: 36px;
    background: var(--accent);
    border: none;
    border-radius: 8px;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    color: white;
    transition: all 0.2s ease;
    flex-shrink: 0;
}

.btn-new-chat-inline:hover {
    background: var(--accent-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

body.sidebar-collapsed .btn-new-chat-inline {
    display: flex;
}

/* Hide toggle when no chat is selected (sidebar is already expanded) */
body.no-chat-selected .btn-sidebar-toggle,
body.no-chat-selected .btn-new-chat-inline {
    display: none;
}

/* Collapsed sidebar */
body.sidebar-collapsed .conversations-sidebar {
    width: 0;
    min-width: 0;
    border-right: none;
    overflow: hidden;
}

/* Chat Container */
.chat-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    position: relative;
    background: var(--bg-primary);
    min-width: 0; /* Allow shrinking */
    overflow: hidden;
}

.chat-header {
    justify-content: space-between;
    border-left: 1px solid var(--border-light);
    flex-wrap: wrap;
    gap: 12px;
}

.chat-header-left {
    display: flex;
    align-items: center;
    gap: 12px;
}

#chat-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}


.btn-settings,
.btn-sources {
    padding: 8px 16px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-light);
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 8px;
}

.btn-settings:hover,
.btn-sources:hover {
    background: var(--bg-tertiary);
    border-color: var(--border);
    color: var(--text-primary);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.chat-iframe-container {
    flex: 1;
    position: relative;
    background: var(--bg-secondary);
    border-left: 1px solid var(--border-light);
    width: 100%;
    overflow: hidden;
    display: flex;
}

.chat-iframe {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    height: 100%;
    border: none;
    background: var(--bg-primary);
    z-index: 0;
    pointer-events: none;
    opacity: 0;
}

.loading-spinner {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: var(--text-tertiary);
    font-size: 0.9375rem;
}

.loading-spinner::before {
    content: '';
    display: block;
    width: 32px;
    height: 32px;
    margin: 0 auto 16px;
    border: 2px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

.no-selection {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--text-tertiary);
    font-size: 1.125rem;
    gap: 12px;
}

.no-selection::before {
    content: '\1F4AC';
    font-size: 3rem;
    opacity: 0.5;
}

/* Empty State */
.empty-state {
    padding: 48px 24px;
    text-align: center;
    color: var(--text-tertiary);
}

.empty-state-icon {
    font-size: 3rem;
    margin-bottom: 16px;
    opacity: 0.5;
}

.empty-state-text {
    font-size: 0.9375rem;
    line-height: 1.5;
}

/* Error State */
.error-message {
    padding: 24px;
    text-align: center;
    color: var(--danger);
    background: #fef2f2;
    border-radius: 8px;
    margin: 12px;
    font-size: 0.875rem;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(15, 23, 42, 0.5);
    backdrop-filter: blur(4px);
}

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.2s ease;
}

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

.modal-content {
    background-color: var(--bg-primary);
    padding: 32px;
    border-radius: 16px;
    width: 700px;
    max-width: 90%;
    max-height: 85vh;
    overflow-y: auto;
    box-shadow: var(--shadow-xl);
    animation: slideUp 0.3s ease;
}

.modal-content.large {
    max-width: 900px;
    width: 90%;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-content h2 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 24px;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.close {
    float: right;
    font-size: 28px;
    font-weight: 300;
    line-height: 20px;
    cursor: pointer;
    color: var(--text-tertiary);
    transition: color 0.2s ease;
    margin-top: -4px;
}

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

.settings-section {
    margin-bottom: 28px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--border-light);
}

.settings-section:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.section-title {
    font-size: 0.9375rem;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--text-primary);
    letter-spacing: -0.01em;
}

.section-title.collapsible {
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    user-select: none;
}

.section-title.collapsible:hover {
    color: var(--accent);
}

.collapse-icon {
    font-size: 0.75rem;
    transition: transform 0.2s ease;
}

.collapse-icon.expanded {
    transform: rotate(90deg);
}

.collapsed {
    display: none;
}

#advanced-settings {
    padding-top: 16px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group:last-child {
    margin-bottom: 0;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.form-group input[type="text"],
.form-group input[type="number"],
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 0.9375rem;
    font-family: inherit;
    transition: all 0.2s ease;
    background: var(--bg-primary);
    color: var(--text-primary);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(22, 132, 227, 0.1);
}

/* Custom model dropdown */
.custom-select {
    position: relative;
    width: 100%;
}

.custom-select-trigger {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 0.9375rem;
    font-family: inherit;
    background: var(--bg-primary);
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.2s ease;
}

.custom-select-trigger:hover {
    border-color: var(--accent);
}

.custom-select-trigger.open {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(22, 132, 227, 0.1);
}

.custom-select-arrow {
    transition: transform 0.2s ease;
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.custom-select-trigger.open .custom-select-arrow {
    transform: rotate(180deg);
}

.custom-select-options {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 8px;
    box-shadow: var(--shadow-lg);
    max-height: 300px;
    overflow-y: auto;
    display: none;
    margin-top: 4px;
}

.custom-select-options.open {
    display: block;
}

.custom-select-option {
    padding: 12px 16px;
    cursor: pointer;
    display: grid;
    grid-template-columns: 120px 1fr;
    gap: 16px;
    align-items: center;
    border-bottom: 1px solid var(--border-light);
    transition: background-color 0.15s ease;
}

.custom-select-option:last-child {
    border-bottom: none;
}

.custom-select-option:hover {
    background-color: var(--bg-secondary);
}

.custom-select-option.selected {
    background-color: var(--accent-lighter);
    color: var(--accent);
}

.option-label {
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--text-primary);
}

.option-description {
    font-size: 0.8125rem;
    color: var(--text-secondary);
    line-height: 1.3;
}

.custom-select-option.selected .option-label {
    color: var(--accent);
}

.custom-select-option.selected .option-description {
    color: var(--text-secondary);
}

.form-group textarea {
    min-height: 100px;
    resize: vertical;
    line-height: 1.5;
}

.form-group input[type="checkbox"] {
    margin-right: 8px;
    width: 16px;
    height: 16px;
    cursor: pointer;
}

.form-group label input[type="checkbox"] {
    position: relative;
    top: 2px;
}

.btn-save {
    background: var(--accent);
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.9375rem;
    font-weight: 500;
    transition: all 0.2s ease;
    box-shadow: var(--shadow-sm);
    letter-spacing: -0.01em;
    margin-top: 8px;
}

.btn-save:hover {
    background: var(--accent-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-save:active {
    transform: translateY(0);
}

/* Slider styles */
.slider-container {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 8px;
}

.slider {
    flex: 1;
    -webkit-appearance: none;
    appearance: none;
    height: 6px;
    background: var(--border);
    border-radius: 3px;
    outline: none;
    transition: all 0.2s ease;
}

.slider:hover {
    background: var(--border-light);
}

.slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    background: var(--accent);
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: var(--shadow-sm);
}

.slider::-webkit-slider-thumb:hover {
    transform: scale(1.1);
    background: var(--accent-hover);
    box-shadow: var(--shadow-md);
}

.slider::-moz-range-thumb {
    width: 20px;
    height: 20px;
    background: var(--accent);
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: var(--shadow-sm);
    border: none;
}

.slider::-moz-range-thumb:hover {
    transform: scale(1.1);
    background: var(--accent-hover);
    box-shadow: var(--shadow-md);
}

.slider-label-left,
.slider-label-right {
    font-size: 0.8125rem;
    color: var(--text-secondary);
    font-weight: 500;
    white-space: nowrap;
    min-width: 90px;
}

.slider-label-left {
    text-align: right;
}

.slider-label-right {
    text-align: left;
}

.slider-value-display {
    text-align: center;
    margin-top: 8px;
    font-size: 0.875rem;
    color: var(--accent);
    font-weight: 600;
}

/* Tab controls */
.modal-tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
    border-bottom: 1px solid var(--border);
}

.tab-button {
    background: none;
    border: none;
    padding: 10px 20px;
    cursor: pointer;
    color: var(--text-secondary);
    border-bottom: 2px solid transparent;
    transition: all 0.3s;
    font-size: 0.875rem;
    font-weight: 500;
}

.tab-button:hover {
    color: var(--text-primary);
}

.tab-button.active {
    color: var(--accent);
    border-bottom-color: var(--accent);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* Checkbox List for Codebases */
.checkbox-list {
    max-height: 400px;
    overflow-y: auto;
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 12px;
    background: var(--bg-secondary);
}

.checkbox-item {
    display: flex;
    align-items: center;
    padding: 8px 0;
    cursor: pointer;
}

.checkbox-item:hover {
    background: var(--bg-tertiary);
    border-radius: 4px;
}

.checkbox-item input[type="checkbox"] {
    margin-right: 10px;
}

/* Progress Bar */
.progress-container {
    margin-top: 20px;
    padding: 16px;
    background: var(--bg-secondary);
    border-radius: 8px;
    border: 1px solid var(--border-light);
}

.progress-bar {
    width: 100%;
    height: 20px;
    background-color: var(--border);
    border-radius: 10px;
    overflow: hidden;
    margin: 10px 0;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent), var(--accent-hover));
    transition: width 0.3s ease;
}

.progress-text {
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* Repository Status */
.repo-item {
    display: flex;
    justify-content: space-between;
    align-items: start;
    padding: 16px;
    border: 1px solid var(--border);
    border-radius: 8px;
    margin-bottom: 12px;
    background: var(--bg-primary);
}

.repo-info h4 {
    margin: 0 0 8px 0;
    color: var(--text-primary);
    font-size: 1rem;
}

.repo-info p {
    margin: 4px 0;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.repo-stats {
    display: flex;
    gap: 12px;
    margin-top: 8px;
}

.stat-item {
    padding: 4px 8px;
    background: var(--bg-secondary);
    border-radius: 4px;
    font-size: 0.75rem;
    color: var(--text-secondary);
}

/* Status badges */
.status-badge {
    display: inline-block;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 500;
    margin-left: 8px;
}

.status-badge.success {
    background: #10b98120;
    color: var(--success);
}

.status-badge.warning {
    background: #f59e0b20;
    color: var(--warning);
}

.status-badge.danger {
    background: #ef444420;
    color: var(--danger);
}

/* Buttons */
.btn-secondary {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border);
    padding: 8px 16px;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s;
    font-size: 0.875rem;
    font-weight: 500;
}

.btn-secondary:hover {
    background-color: var(--bg-tertiary);
    border-color: var(--border);
}

.btn-danger {
    background-color: var(--danger);
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s;
    font-size: 0.875rem;
    font-weight: 500;
}

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

/* Logs section */
.logs-container {
    max-height: 300px;
    overflow-y: auto;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 12px;
    font-family: monospace;
    font-size: 0.8125rem;
    color: var(--text-secondary);
    margin-top: 12px;
}

.log-entry {
    margin-bottom: 8px;
    padding: 4px 0;
    border-bottom: 1px solid var(--border-light);
}

.log-entry:last-child {
    border-bottom: none;
}

.log-timestamp {
    color: var(--text-tertiary);
    font-size: 0.75rem;
}

/* Responsive design for header */
@media (max-width: 1400px) {
    .header-controls {
        flex-wrap: wrap;
        gap: 8px;
    }
}

@media (max-width: 1100px) {
    #chat-title {
        width: 100%;
        margin-bottom: 4px;
    }

    .header-controls {
        width: 100%;
        justify-content: flex-start;
    }
}

@media (max-width: 768px) {
    .header-controls > * {
        flex: 1;
        min-width: 120px;
    }
}