:root {
    --bg-primary: #2a2a2a;
    --bg-secondary: #2a2a2a;
    --bg-tertiary: #333333;
    --text-primary: #e8e8e8;
    --text-secondary: #999999;
    --accent-color: #2196F3;
    --accent-red: #ff4d4f;
    --border-color: #3d3d3d;
    --input-bg: #2a2a2a;
    --input-bg-alt: #333333;
    --sidebar-width: 260px;
    --sidebar-collapsed-width: 0px;
    --transition-speed: 0.15s;
    --star-active: #ffb800;
    --scrollbar-thumb: #4a4a4a;
    --search-highlight-bg: rgba(33, 150, 243, 0.3);
}
body.light-mode {
    --bg-primary: #f5f3f0;
    --bg-secondary: #f9f7f4;
    --bg-tertiary: #eeebe8;
    --text-primary: #2c2c2c;
    --text-secondary: #6b6b6b;
    --accent-color: #0052a3;
    --border-color: #d8d5d2;
    --input-bg: #f5f3f0;
    --input-bg-alt: #eeebe8;
    --scrollbar-thumb: #b8b5b2;
    --search-highlight-bg: rgba(0, 82, 163, 0.15);
}
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.5;
    overflow: hidden;
    transition: none;
}

body.loading {
    display: none;
}

body.loaded {
    display: block;
}
::selection {
    background: none;
    color: var(--accent-color);
}
::-moz-selection {
    background: none;
    color: var(--accent-color);
}
::-webkit-selection {
    background: none;
    color: var(--accent-color);
}
.message.user ::selection {
    background: none;
    color: #64B5F6;
}
.message.user ::-moz-selection {
    background: none;
    color: #64B5F6;
}
.message.user ::-webkit-selection {
    background: none;
    color: #64B5F6;
}
#app {
    display: flex;
    height: 100vh;
    width: 100vw;
}
.sidebar {
    width: var(--sidebar-width);
    background-color: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    transition: none;
    z-index: 2000;
    position: relative;
    overflow: visible !important;
    user-select: none;
}
.logo, .sidebar-action, .history-item, .settings-sidebar, .sidebar-header, .sidebar-footer {
    user-select: none !important;
    -webkit-user-select: none !important;
}
.sidebar-action input {
    user-select: text !important;
    -webkit-user-select: text !important;
}
.sidebar.collapsed {
    width: 0;
    border: none;
}
.sidebar.collapsed > *:not(.sidebar-handle) {
    display: none !important;
}
.sidebar:not(.collapsed) .sidebar-content {
    animation: fadeInContent 0.4s ease forwards;
}
@keyframes fadeInContent {
    from { opacity: 0; }
    to { opacity: 1; }
}
.sidebar-handle {
    position: absolute;
    left: 100%;
    top: 50%;
    transform: translateY(-50%);
    width: 20px;
    height: 64px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1001;
    background: transparent !important;
    border: none !important;
    margin-left: -4px;
    transition: margin-left 0.3s ease;
}
.handle-svg {
    width: 12px;
    height: 64px;
    overflow: visible;
}
#handle-path {
    fill: none;
    stroke: var(--scrollbar-thumb);
    stroke-width: 4;
    stroke-linecap: round;
    stroke-linejoin: round;
    transition: d 0.3s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.3s ease, stroke 0.3s ease;
    opacity: 1;
}
.sidebar:not(.collapsed) .sidebar-handle:hover #handle-path {
    d: path("M 10 2 L 2 32 L 10 62");
}
.sidebar.collapsed .sidebar-handle:hover #handle-path {
    d: path("M 2 2 L 10 32 L 2 62");
}
.sidebar-handle:hover #handle-path {
    opacity: 1;
}
.sidebar-content {
    padding: 12px;
    display: flex;
    flex-direction: column;
    gap: 4px;
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
}
.sidebar-action {
    height: 34px;
    min-height: 34px;
    width: 100%;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 0 10px;
    background: var(--input-bg);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-secondary);
    font-size: 14px;
    transition: none;
    box-sizing: border-box;
    flex-shrink: 0;
}
.sidebar-action:hover {
    border-color: #444;
    color: var(--text-primary);
}
.sidebar .lucide:not(.handle-svg),
.sidebar i:not(.handle-svg),
.sidebar svg:not(.handle-svg),
.sidebar [data-lucide]:not(.handle-svg) {
    width: 15px !important;
    height: 15px !important;
    min-width: 15px;
    max-width: 15px;
    min-height: 15px;
    max-height: 15px;
    flex-shrink: 0;
    stroke-width: 2px !important;
}
.sidebar-action input {
    background: transparent;
    border: none;
    color: inherit;
    outline: none;
    width: 100%;
    font-size: 14px;
    font-family: inherit;
    padding: 0;
    display: flex;
    align-items: center;
    height: 100%;
    user-select: text;
}
.sidebar-action span {
    white-space: nowrap;
    font-size: 14px;
    display: flex;
    align-items: center;
    height: 100%;
    user-select: none;
}
.footer-btn {
    background: transparent;
    border: none;
    padding: 2px;
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: none;
    min-height: auto;
    height: 24px;
    width: 24px;
}
.footer-btn:hover {
    color: var(--text-primary);
}
div.history-item.active svg.lucide.lucide-search {
    width: 15px !important;
    height: 15px !important;
}
.sidebar-footer {
    padding: 12px;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 16px;
    border-top: 1px solid var(--border-color);
    user-select: none;
    flex-shrink: 0;
    transition: none;
}
.sidebar-header {
    padding: 24px 16px 24px 16px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    user-select: none;
}
.logo {
    display: flex;
    flex-direction: column;
    width: 100%;
    padding: 0 12px;
    margin-top: 0px;
    align-items: center;
    text-align: center;
}
.logo-main {
    font-size: 35px;
    font-weight: 800;
    color: var(--accent-color);
    letter-spacing: -0.5px;
    line-height: 1.2;
    margin-bottom: 6px;
}
.logo-sub {
    font-family: 'Outfit', sans-serif;
    font-size: 14px;
    font-weight: 400;
    color: var(--text-secondary);
    opacity: 0.8;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    line-height: 1.2;
}
.icon-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 4px;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: none;
}
.icon-btn-inline {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    cursor: pointer;
    padding: 2px 6px;
    border-radius: 6px;
    transition: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 24px;
    height: 24px;
}
.icon-btn-inline:hover {
    color: var(--text-primary);
    border-color: var(--text-primary);
    background: transparent;
}
.icon-btn i {
    width: 12px;
    height: 12px;
}
.history-list-container {
    margin-top: 4px;
    border-top: 1px solid var(--border-color);
    padding-top: 4px;
}
.history-list {
    display: flex;
    flex-direction: column;
    gap: 0;
}
.history-item {
    height: 34px;
    min-height: 34px;
    padding: 0 10px;
    border-radius: 6px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: none;
    color: var(--text-secondary);
    font-size: 14px;
    width: 100%;
    box-sizing: border-box;
    border: 1px solid transparent;
    flex-shrink: 0;
}
.history-item:hover {
    background: var(--bg-secondary);
    color: var(--text-primary);
}
.history-item.active {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}
.history-item-content {
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 0;
    flex: 1;
}
.history-item-content span {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    font-size: 14px;
    display: flex;
    align-items: center;
    height: 100%;
}
.history-item-actions {
    display: none;
    align-items: center;
    flex-shrink: 0;
    margin-left: 6px;
}
.history-item:hover .history-item-actions {
    display: flex;
}
.search-highlight {
    background-color: var(--search-highlight-bg);
    color: var(--accent-color);
    font-weight: 500;
    padding: 0 2px;
    border-radius: 2px;
}
[data-lucide="trash"]:hover,
[data-lucide="trash-2"]:hover,
.history-item-actions i:hover,
.model-item-actions i[data-lucide="trash"]:hover,
.provider-delete-btn:hover {
    color: var(--accent-red) !important;
    opacity: 1 !important;
}
.history-item-actions i,
.history-item-actions svg,
.model-item-actions i,
.model-item-actions svg {
    width: 15px !important;
    height: 15px !important;
    transition: none;
}
.provider-item-actions {
    display: flex;
    align-items: center;
    flex-shrink: 0;
    margin-left: auto;
    gap: 4px;
    opacity: 0;
    transition: opacity 0.2s ease;
}
.settings-nav-item:hover .provider-item-actions {
    opacity: 1;
}
.empty-state {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-secondary);
}
.empty-state i, .empty-state svg, .empty-state [data-lucide="message-square"] {
    width: 15px !important;
    height: 15px !important;
    color: var(--text-secondary);
    opacity: 0.6;
    margin-bottom: 12px;
    stroke-width: 2px !important;
}
.empty-state [data-lucide] {
    width: 15px !important;
    height: 15px !important;
    stroke-width: 2px !important;
}
.empty-state p {
    font-size: 14px;
    color: var(--text-secondary);
    margin: 4px 0;
}
.empty-state span {
    line-height: 1.4;
    display: block;
    font-size: 14px;
}
.main-content {
    flex: 1;
    position: relative;
    display: flex;
    flex-direction: column;
}
.view {
    display: none;
    height: 100%;
    width: 100%;
}
.view.active {
    display: flex;
    flex-direction: column;
}
#chat-view {
    display: flex;
    flex-direction: column;
    height: 100%;
    width: 100%;
    overflow: hidden;
    align-items: stretch;
}
.chat-container.has-messages {
    overscroll-behavior: contain;
}
.input-wrapper {
    border-radius: 8px;
    padding: 10px 14px 10px 14px;
    display: flex;
    flex-direction: column;
    gap: 5px;
    position: relative;
    z-index: 1;
    width: 100%;
    flex-shrink: 0;
    isolation: isolate;
    transition: none;
    margin-top: 10px;
    margin-bottom: 10px;
    /* liquid glass — SVG refraction filter, NOT blur */
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: url(#liquid-glass);
    -webkit-backdrop-filter: url(#liquid-glass);
    box-shadow:
        inset 0 1px 0 rgba(255,255,255,0.15),
        inset 0 -1px 0 rgba(0,0,0,0.05),
        0 2px 20px rgba(0,0,0,0.15);
}

body.light-mode .input-wrapper {
    background: rgba(255, 255, 255, 0.06);
    box-shadow:
        inset 0 1px 0 rgba(255,255,255,0.40),
        inset 0 -1px 0 rgba(0,0,0,0.02),
        0 2px 20px rgba(0,0,0,0.04);
}

/* rainbow marquee border */
.input-border {
    position: absolute;
    inset: -0.5px;
    border-radius: 8.5px;
    pointer-events: none;
    z-index: -1;
    overflow: hidden;
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask-composite: exclude;
    -webkit-mask-composite: xor;
    padding: 1px;
    transition: none;
}
.input-border::before {
    content: '';
    position: absolute;
    width: 150%;
    padding-bottom: 150%;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) rotate(0deg);
    background: conic-gradient(
        from 0deg,
        rgba(255,80,80,0.7), rgba(255,160,50,0.7), rgba(255,230,80,0.7), rgba(80,220,100,0.7),
        rgba(80,120,255,0.7), rgba(120,60,200,0.7), rgba(180,60,220,0.7), rgba(255,80,80,0.7)
    );
    animation: rotateRainbow 4s linear infinite;
}
@keyframes rotateRainbow {
    from { transform: translate(-50%, -50%) rotate(0deg); }
    to { transform: translate(-50%, -50%) rotate(360deg); }
}
#chat-input {
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-size: 14px;
    resize: none;
    outline: none;
    width: 100%;
    min-height: 20px;
    max-height: 240px;
    padding: 1px;
    font-family: inherit;
    line-height: 1.5;
    overflow-y: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
}
#chat-input::-webkit-scrollbar {
    display: none;
}
.input-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 1px;
}
.model-selector {
    position: relative;
    display: flex;
    align-items: center;
    background: transparent;
    padding: 2px 6px;
    height: 24px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 12px;
    color: var(--text-secondary);
    transition: none;
    max-width: fit-content;
    box-sizing: border-box;
}
.model-dropdown {
    position: absolute;
    bottom: calc(100% + 5px);
    left: 0;
    width: 240px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.4);
    display: none;
    flex-direction: column;
    max-height: 240px;
    overflow-y: auto;
    overflow-x: hidden;
    z-index: 2000;
    overscroll-behavior: contain;
}
.model-dropdown.active {
    display: flex;
}
.send-btn {
    background: transparent;
    color: var(--text-secondary);
    border: none;
    padding: 2px;
    width: 15px;
    height: 15px;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: none;
    flex-shrink: 0;
    box-sizing: border-box;
}
.send-btn:not(:disabled):hover {
    color: var(--text-primary);
    transform: scale(1.05);
}
.send-btn.stop-mode {
    background: transparent;
    border-color: var(--accent-red);
    padding: 0;
    width: 15px;
    height: 15px;
}
.stop-icon {
    width: 15px;
    height: 15px;
    background: var(--accent-red);
    border-radius: 2px;
}
.send-btn.stop-mode:hover {
    border-color: var(--accent-red);
    transform: scale(1.05);
}
#send-btn svg,
.send-btn svg.lucide-send {
    width: 15px !important;
    height: 15px !important;
}
::-webkit-scrollbar {
    width: 4px;
    height: 4px;
}
::-webkit-scrollbar-track {
    background: transparent;
}
::-webkit-scrollbar-thumb {
    background-color: transparent;
    background-image: linear-gradient(var(--accent-color), var(--accent-color));
    background-size: 4px 60px;
    background-repeat: no-repeat;
    background-position: center;
    border-radius: 0;
}
::-webkit-scrollbar-thumb:active {
    background-image: linear-gradient(var(--text-secondary), var(--text-secondary));
}
.dropdown-section {
    padding: 1px 0;
}
.dropdown-section-title {
    font-size: 10px;
    color: var(--text-secondary);
    padding: 1px 2px;
    text-transform: none;
    letter-spacing: 0.5px;
    opacity: 0.7;
}
.dropdown-item {
    padding: 1px 2px;
    display: flex;
    align-items: center;
    gap: 1px;
    cursor: pointer;
    font-size: 12px;
    transition: none;
    color: var(--text-primary);
    border-bottom: 1px solid var(--border-color);
}
.dropdown-item:hover {
    background: var(--bg-secondary);
}
.dropdown-item.active {
    color: var(--accent-color);
}
.dropdown-item:last-child {
    border-bottom: none;
}
.dropdown-item i {
    width: 15px;
    height: 15px;
}
#settings-view {
    position: absolute;
    top: 0;
    left: 0;
    background: var(--bg-primary);
    z-index: 1000;
    display: none;
    justify-content: center;
    align-items: center;
    width: 100%;
    height: 100%;
}
#settings-view.active {
    display: flex;
}
.settings-container {
    width: 90%;
    max-width: 800px;
    height: 55vh;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    display: flex;
    position: relative;
    overflow: hidden;
    transition: none;
    box-sizing: border-box;
    padding-top: 24px;
}
.settings-sidebar {
    width: 240px;
    border-right: 1px solid var(--border-color);
    padding: 20px 12px;
    display: flex;
    flex-direction: column;
    gap: 4px;
    transition: none;
    overflow-y: auto;
    scrollbar-width: none;
}

.settings-sidebar::-webkit-scrollbar {
    display: none;
}
.settings-nav-item {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 3px 5px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
    color: var(--text-secondary);
    transition: none;
    position: relative;
}
.settings-nav-item:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}
.settings-nav-item.active {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}
.nav-icon {
    width: 12px;
    height: 12px;
}
.nav-group-content {
    display: flex;
    flex-direction: column;
    gap: 2px;
    overflow-y: auto;
    overflow-x: hidden;
    transition: max-height var(--transition-speed);
    padding-left: 12px;
    max-height: none;
    scrollbar-width: none;
}

.nav-group-content::-webkit-scrollbar {
    display: none;
}
.nav-group-content.collapsed {
    max-height: 0;
}
.settings-nav-item.add-btn {
    color: var(--text-secondary);
    opacity: 0.7;
}
.settings-nav-item.add-btn:hover {
    opacity: 1;
}
.settings-main {
    flex: 1;
    padding: 16px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    min-height: 0;
    scrollbar-width: none;
}
.settings-main::-webkit-scrollbar {
    display: none;
}
.settings-content h2 {
    font-size: 20px;
    margin-bottom: 20px;
    font-weight: 700;
}
.settings-group {
    margin-bottom: 8px;
    display: flex;
    flex-direction: column;
}

.settings-group:has(.settings-textarea) {
    flex: 1;
    min-height: 0;
}
.settings-group label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 2px;
    color: var(--text-primary);
}
.help-text {
    font-size: 14px;
    color: var(--text-secondary);
    margin: 1px 0 2px 0;
}
.help-text a {
    color: #f59e0b;
    text-decoration: none;
}
.warning-text {
    font-size: 14px;
    color: #ff6b6b;
    margin: 2px 0 8px 0;
    padding: 4px 0;
    line-height: 1.4;
}
.data-management-buttons {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    width: 100%;
}
.data-management-buttons .btn-secondary {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    font-size: 14px;
    font-weight: 500;
    padding: 6px 4px;
    flex: 0 0 calc(50% - 3px);
    justify-content: center;
    white-space: nowrap;
}
.input-with-actions {
    position: relative;
    display: flex;
    align-items: center;
}
.input-with-actions input, .settings-group input[type="text"], .settings-group input[type="password"] {
    width: 100%;
    background: var(--input-bg);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 4px 8px;
    color: var(--text-primary);
    font-size: 14px;
    transition: none;
}
input[type="number"]::-webkit-outer-spin-button,
input[type="number"]::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}
input[type="number"] {
    -moz-appearance: textfield;
}
.settings-input {
    background: var(--input-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 0 8px;
    height: 32px;
    color: var(--text-primary);
    font-size: 14px;
    outline: none;
    transition: none;
    width: 200px;
    display: flex;
    align-items: center;
}
.settings-input:focus {
    border-color: var(--text-secondary);
}
.action-icons {
    position: absolute;
    right: 4px;
    display: flex;
    gap: 2px;
    top: 50%;
    transform: translateY(-50%);
}
.action-icons .icon-btn {
    padding: 2px;
    background: transparent !important;
    border: none !important;
    box-shadow: none !important;
}
.action-icons .icon-btn i {
    width: 15px !important;
    height: 15px !important;
    color: var(--text-secondary);
}
.action-icons .icon-btn:hover i {
    color: var(--text-primary);
}
.group-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0px;
}
.header-actions {
    display: flex;
    gap: 8px;
    align-items: center;
    margin-right: 5px;
}
.action-btn-xs-text {
    background: transparent;
    border: none;
    border-radius: 4px;
    padding: 1px 4px;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 1px;
    cursor: pointer;
    font-size: 10px;
}
.action-btn-xs-text i {
    width: 12px;
    height: 12px;
}
input, textarea, button {
    outline: none !important;
}
.provider-title-container {
    display: flex;
    align-items: center;
    margin-bottom: 16px;
    padding-bottom: 0px;
    border-bottom: none;
    height: auto;
    width: 100%;
}
.provider-title-container > div {
    display: flex;
    align-items: center;
    gap: 8px;
    flex: 1;
    justify-content: space-between;
}
#provider-name {
    font-size: 20px;
    font-weight: 700;
    margin: 0;
    padding: 0;
    border: none;
    background: transparent;
    color: var(--text-primary);
    line-height: 1.2;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.title-actions {
    display: flex;
    gap: 4px;
    padding-left: 0;
    margin-top: 2px;
}
.settings-container i,
.settings-container svg,
.settings-container .lucide,
.model-selector i,
.model-selector svg {
    width: 15px !important;
    height: 15px !important;
    stroke-width: 2.5px;
}
i[data-lucide], svg[data-lucide], .lucide {
    width: 15px !important;
    height: 15px !important;
    stroke-width: 2px !important;
    flex-shrink: 0;
}
.icon-btn:hover,
.action-btn-xs-text:hover,
.action-icons .icon-btn:hover,
.icon-btn-inline:hover,
.icon-btn-xs:hover,
.title-actions button:hover {
    transform: none !important;
    background: transparent !important;
    color: var(--text-primary) !important;
    box-shadow: none !important;
}
.action-icons .icon-btn,
.title-actions button,
.header-actions button {
    padding: 2px !important;
    margin: 0 !important;
}
#api-key {
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
    letter-spacing: 0.5px;
    font-size: 12px;
}
.switch {
    position: relative;
    display: inline-block;
    width: 24px;
    height: 14px;
    flex-shrink: 0;
}
.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}
.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--bg-tertiary);
    transition: none;
    border-radius: 14px;
    border: 1px solid var(--border-color);
}
 .slider:before {
    position: absolute;
    content: "";
    height: 8px;
    width: 8px;
    left: 2px;
    bottom: 2px;
    background-color: var(--text-secondary);
    transition: .2s;
    border-radius: 50%;
}
input:checked + .slider {
    background-color: var(--accent-color);
    border-color: var(--accent-color);
}
input:checked + .slider:before {
    transform: translateX(10px);
    background-color: white;
}
.model-list {
    display: flex;
    flex-direction: column;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
}
.model-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 4px 8px;
    border-bottom: 1px solid var(--border-color);
    gap: 8px;
}
.model-item:last-child {
    border-bottom: none;
}
.model-item-info {
    display: flex;
    align-items: center;
    gap: 8px;
    flex: 1;
    min-width: 0;
}
.model-item-name {
    font-size: 14px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    color: var(--text-primary);
}
.model-item-actions {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}
.model-item-actions i, .model-item-actions svg {
    width: 15px !important;
    height: 15px !important;
    cursor: pointer;
    color: var(--text-secondary);
    fill: none;
    transition: none;
}
.model-item-actions i:hover {
    color: var(--text-primary);
}
.model-item-actions .active {
    color: var(--star-active) !important;
    fill: var(--star-active) !important;
}
.model-item-actions .active svg {
    fill: var(--star-active) !important;
}
.close-btn {
    position: absolute;
    top: 12px;
    right: 12px;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    z-index: 1001;
}
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}
@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}
.spinning {
    animation: spin 1s linear infinite;
}
.theme-btn {
    flex: 1;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 12px;
    color: var(--text-secondary);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    cursor: pointer;
}
.theme-btn.active {
    border-color: var(--accent-color);
    color: var(--text-primary);
}
.role-list {
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.role-item {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 4px;
}
.role-item-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 2px;
    align-items: center;
}
.role-item-name {
    font-weight: 600;
    font-size: 14px;
}
.role-item-prompt {
    font-size: 14px;
    color: var(--text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    line-height: 1.1;
    max-height: 1.1em;
}
.settings-content {
    display: none;
    flex-direction: column;
    flex: 1;
    min-height: 0;
}
.settings-content.active {
    display: flex;
}
.compact-form {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 6px;
    margin-bottom: 8px;
    display: none;
    flex-direction: column;
    gap: 6px;
}
.compact-form.active {
    display: flex;
}
.compact-form input,
.compact-form textarea {
    width: 100%;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 3px 6px;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 14px;
    transition: none;
}
.compact-form input {
    font-weight: 600;
}
.compact-form textarea {
    font-size: 14px;
    line-height: 1.4;
    resize: none;
    min-height: 60px;
    max-height: 300px;
}
.compact-form input:focus,
.compact-form textarea:focus {
    border-color: #444;
}
.form-actions {
    display: flex;
    justify-content: flex-end;
    gap: 4px;
    margin-top: 1px;
}
.form-actions.hidden {
    display: none;
}
.btn-secondary {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 3px 8px;
    border-radius: 4px;
    font-size: 10px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 4px;
    position: relative;
    overflow: hidden;
}

.btn-secondary.copied::after {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 0;
    background: var(--accent-color);
    animation: fillFromLeft 0.6s ease-out forwards;
    pointer-events: none;
    z-index: 0;
}

.btn-secondary.copied > * {
    position: relative;
    z-index: 1;
}

.btn-secondary.copied {
    color: white;
    border-color: var(--accent-color);
}

@keyframes fillFromLeft {
    from {
        width: 0;
    }
    to {
        width: 100%;
    }
}
.settings-textarea {
    width: 100%;
    background: var(--input-bg);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 8px;
    color: var(--text-primary);
    font-size: 14px;
    line-height: 1.5;
    outline: none;
    resize: vertical;
    flex: 1;
    min-height: 100px;
    font-family: inherit;
}
.settings-textarea::placeholder {
    color: #555;
}
.text-btn-overlay {
    position: absolute;
    bottom: 8px;
    right: 8px;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 14px;
    cursor: pointer;
    padding: 2px 4px;
    opacity: 0.7;
    transition: none;
}
.text-btn-overlay:hover {
    color: var(--text-primary);
    opacity: 1;
}
.no-resize {
    resize: none;
}
.custom-select {
    position: relative;
    width: 100%;
}
.custom-select.short-select {
    width: 200px;
}
.select-trigger {
    width: 100%;
    background: var(--input-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 0 8px;
    height: 32px;
    color: var(--text-primary);
    font-size: 14px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: none;
}
.select-trigger:hover {
    border-color: var(--text-secondary);
}
.select-options {
    position: absolute;
    top: calc(100% + 4px);
    left: 0;
    width: 100%;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.3);
    z-index: 100;
    display: none;
    flex-direction: column;
    overflow: hidden;
}
.select-options.active {
    display: flex;
}
.select-option {
    padding: 6px 8px;
    font-size: 14px;
    color: var(--text-primary);
    cursor: pointer;
    transition: none;
}
.select-option:hover {
    background: var(--bg-tertiary);
}
.select-option.selected {
    color: var(--accent-color);
    background: var(--bg-tertiary);
}
.provider-title-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}
.provider-title-container h2 {
    margin-bottom: 0 !important;
    outline: none;
    padding: 4px 8px;
    border-radius: 4px;
    transition: none;
}
.provider-title-container h2[contenteditable="true"] {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
}
.icon-btn-inline {
    background: transparent !important;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 2px;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 24px;
    min-width: 24px;
    box-sizing: border-box;
    border-radius: 6px;
}
.icon-btn-inline:hover {
    color: var(--text-primary);
}
.icon-btn-inline i {
    width: 12px;
    height: 12px;
}
#clear-chat-btn svg {
    width: 15px !important;
    height: 15px !important;
}
.hidden {
    display: none !important;
}
.icon-btn-xs {
    background: transparent !important;
    border: none !important;
    color: var(--text-secondary) !important;
    cursor: pointer !important;
    padding: 4px !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    border-radius: 4px !important;
    box-shadow: none !important;
}
.icon-btn-xs:hover {
    color: var(--text-primary) !important;
}
.icon-btn-xs i {
    width: 12px;
    height: 12px;
}
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    z-index: 3000;
    animation: fadeIn 0.2s ease-out;
}
.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}
.modal-content {
    background: var(--bg-secondary);
    border-radius: 4px;
    width: 90%;
    max-width: 400px;
    max-height: 55vh;
    display: flex;
    flex-direction: column;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    animation: slideUp 0.3s ease-out;
}
.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 16px 12px;
    border-bottom: 1px solid var(--border-color);
}
.modal-header h3 {
    margin: 0;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
}
.modal-close {
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 4px;
    border-radius: 4px;
    color: var(--text-secondary);
    transition: none;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.modal-close:hover {
    color: var(--text-primary);
    background: var(--bg-hover);
}
.modal-body {
    flex: 1;
    padding: 12px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}
.model-selection-list {
    display: flex;
    flex-direction: column;
    gap: 2px;
    flex: 1;
    overflow-y: auto;
    min-height: 0;
}
#clear-chat-btn {
    padding: 2px;
    width: 20px;
    height: 20px;
    justify-content: center;
    margin-left: 5px;
}
.model-selection-item {
    display: flex;
    align-items: center;
    padding: 3px 4px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    cursor: pointer;
    transition: none;
    font-size: 14px;
}
.model-selection-item:hover {
    background: var(--bg-hover);
    border-color: var(--accent-color);
}
.model-selection-item input[type="checkbox"] {
    margin-right: 4px;
    width: 12px;
    height: 12px;
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background-color: transparent;
    border: 1px solid var(--text-secondary);
    border-radius: 2px;
    position: relative;
    flex-shrink: 0;
}
.model-selection-item input[type="checkbox"]:checked {
    background-color: var(--accent-color);
    border-color: var(--accent-color);
}
.model-selection-item input[type="checkbox"]:checked::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 14px;
    font-weight: bold;
    line-height: 1;
}
.model-selection-item label {
    flex: 1;
    cursor: pointer;
    font-size: 14px;
    color: var(--text-primary);
    margin: 0;
    font-weight: 500;
}
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}
@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}
.chat-container {
    min-height: 100%;
    position: relative;
    width: 100%;
    display: flex;
    flex-direction: column;
    overflow: visible;
}
.chat-container-inner {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 0;
    position: relative;
}
.chat-container.narrow-mode {
    width: 70%;
    margin: 0 auto;
    box-sizing: border-box;
}
.chat-container.wide-mode {
    width: 90%;
    margin: 0 auto;
    box-sizing: border-box;
}
.chat-container:not(.has-messages) .welcome-section {
    min-height: 100vh;
    text-align: center;
    padding: 40px 20px;
    color: var(--text-secondary);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 100%;
}
.input-container {
    padding: 10px 20px 5px 20px;
    width: 70%;
    max-width: 100%;
    margin: 0 auto;
    box-sizing: border-box;
    flex-shrink: 0;
    z-index: 10;
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    transition: none;
    background: transparent;
}
.chat-container.wide-mode .input-container {
    width: 90%;
}
.chat-container:not(.has-messages) .welcome-section h1 {
    font-size: 48px;
    margin-bottom: 12px;
    color: var(--text-primary);
}
.chat-container:not(.has-messages) .welcome-section p {
    font-size: 16px;
    color: var(--text-secondary);
}
.chat-container:not(.has-messages) .chat-messages {
    display: none;
}
.chat-container.has-messages .welcome-section {
    display: none;
}
.chat-container.has-messages .chat-messages {
    flex: 1;
    padding: 10px 20px 90px 20px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    width: 100%;
    overflow-y: auto;
    overflow-x: hidden;
    min-height: 0;
    max-width: 100%;
    box-sizing: border-box;
    scrollbar-width: none; /* Firefox */
-ms-overflow-style: none; /* IE/Edge */
}

/* 隐藏聊天区域原有滚动条 */
.chat-container.has-messages .chat-messages::-webkit-scrollbar {
    display: none;
}
.wide-mode-toggle {
    background: transparent !important;
    border: none !important;
    cursor: pointer !important;
    color: var(--text-secondary) !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    padding: 4px !important;
    border-radius: 4px !important;
    transition: none !important;
}
.wide-mode-toggle:hover {
    color: var(--text-primary) !important;
}
.message {
    display: block;
    max-width: 100%;
    animation: fadeIn 0.15s ease-out;
    margin-bottom: 4px;
    clear: both;
}
.message-bubble {
    padding: 2px 4px;
    border-radius: clamp(2px, 0.4em, 12px);
    font-size: 14px;
    line-height: 1.3;
    word-wrap: break-word;
    overflow-wrap: break-word;
    word-break: normal;
    position: relative;
    max-width: 96%;
    display: inline-block;
    text-align: left;
    padding-bottom: 4px;
    margin-bottom: 16px;
}
.chat-container.narrow-mode .message-bubble {
    max-width: 98%;
}
.chat-container.wide-mode .message-bubble {
    max-width: 100%;
}
.user-message-content {
    white-space: pre-wrap;
    word-break: break-word;
    overflow-wrap: break-word;
}
.message-bubble preformatted {
    white-space: pre-wrap;
    font-family: inherit;
    word-break: break-word;
    overflow-wrap: break-word;
    max-width: 100%;
}
.message-bubble h1, .message-bubble h2, .message-bubble h3,
.message-bubble h4, .message-bubble h5, .message-bubble h6 {
    margin: 0.2em 0 0.1em;
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-primary);
    max-width: 100%;
    overflow-wrap: break-word;
    word-break: break-word;
}
.message-bubble h1 { font-size: 1.6em; border-bottom: 1px solid var(--border-color); padding-bottom: 0.2em; }
.message-bubble h2 { font-size: 1.4em; border-bottom: 1px solid var(--border-color); padding-bottom: 0.15em; }
.message-bubble h3 { font-size: 1.25em; }
.message-bubble h4 { font-size: 1.1em; }
.message-bubble p {
    margin: 0.1em 0;
    line-height: 1.3;
    max-width: 100%;
    overflow-wrap: break-word;
    word-break: break-word;
}
.message-bubble ul,
.message-bubble ol {
    margin: 0.1em 0;
    padding-left: 1.2em;
    max-width: 100%;
}
.message-bubble li {
    margin: 0.1em 0;
    max-width: 100%;
    overflow-wrap: break-word;
    word-break: break-word;
}
.message-bubble code {
    padding: 0.1em 0.3em;
    margin: 0;
    font-size: 85%;
    background-color: rgba(175, 184, 193, 0.2);
    border-radius: 4px;
    font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
    word-break: break-word;
    overflow-wrap: break-word;
    max-width: 100%;
}
.message-bubble pre {
    padding: 12px;
    overflow: auto;
    font-size: 85%;
    line-height: 1.4;
    background-color: #0d1117;
    border-radius: 6px;
    margin: 0.3em 0;
    border: 1px solid var(--border-color);
}
.message-bubble pre code {
    background-color: transparent;
    padding: 0;
    margin: 0;
    font-size: 100%;
    word-break: break-word;
    white-space: pre-wrap;
    color: #e6edf3;
    overflow-x: auto;
}
.message-bubble blockquote {
    padding: 6px 12px;
    color: var(--text-secondary);
    border-left: 0.25em solid var(--accent-color);
    margin: 0.3em 0;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 0 4px 4px 0;
    max-width: 100%;
    overflow-wrap: break-word;
    word-break: break-word;
}
.message-bubble table {
    display: block;
    width: 100%;
    max-width: 100%;
    overflow-x: auto;
    border-spacing: 0;
    border-collapse: collapse;
    margin: 1em 0;
}
.message-bubble table tr {
    background-color: var(--bg-primary);
    border-top: 1px solid var(--border-color);
}
.message-bubble table tr:nth-child(2n) {
    background-color: rgba(255, 255, 255, 0.02);
}
.message-bubble table th,
.message-bubble table td {
    padding: 6px 13px;
    border: 1px solid var(--border-color);
    max-width: 100%;
    word-break: break-word;
    overflow-wrap: break-word;
}
.message-bubble table th {
    font-weight: 600;
    background-color: rgba(255, 255, 255, 0.05);
}
.message-bubble hr {
    height: 0.25em;
    padding: 0;
    margin: 12px 0;
    background-color: var(--border-color);
    border: 0;
}
.message-bubble a {
    color: var(--accent-color);
    text-decoration: none;
    word-break: break-word;
    overflow-wrap: break-word;
    max-width: 100%;
}
.message-bubble a:hover {
    text-decoration: underline;
}
.message-bubble strong { font-weight: 600; max-width: 100%; overflow-wrap: break-word; }
.message-bubble em { font-style: italic; max-width: 100%; overflow-wrap: break-word; }
.message.user {
    text-align: right;
}
.message.user .message-bubble {
    background: var(--accent-color);
    color: white;
    margin-left: auto;
    text-align: left;
    max-width: 70%;
    width: fit-content;
    min-width: auto;
    padding: 1px 6px;
    overflow-wrap: break-word;
    word-break: break-word;
}
.chat-container.wide-mode .message.user .message-bubble {
    margin-left: 0;
}
.message.assistant {
    text-align: left;
}
.message-thinking {
    background: rgba(72, 70, 70, 0.614);
    border-left: 3px solid var(--accent-color);
    margin: 4px 0 8px 0;
    border-radius: 4px;
    font-size: 13px;
    color: var(--text-secondary);
    max-width: 98%;
    overflow: hidden;
}
.chat-container.narrow-mode .message-thinking {
    max-width: 100%;
}
.chat-container.wide-mode .message-thinking {
    max-width: 100%;
}
.message-thinking.collapsed {
    max-height: 32px;
}
.message-thinking.collapsed .message-thinking-header {
    padding: 4px 8px;
}
.message-thinking.collapsed .message-thinking-content {
    display: none;
}
.message-thinking-header {
    display: flex;
    align-items: center;
    gap: 0px;
    padding: 4px 8px;
    cursor: pointer;
    user-select: none;
}
.message-thinking-header:hover {
    background: rgba(255, 255, 255, 0.02);
}
.message-thinking-toggle {
    width: 16px;
    height: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-color);
    transition: transform 0.2s ease;
    flex-shrink: 0;
}
.message-thinking.collapsed .message-thinking-toggle {
    transform: rotate(-90deg);
}
.message-thinking-title {
    font-size: 12px;
    font-weight: 500;
    color: var(--accent-color);
    opacity: 0.8;
}
.message-thinking-content {
    padding: 0 12px 5px 10px;
    line-height: 1.5;
    max-height: 300px;
    overflow-y: auto;
    scrollbar-width: none;
}
.message-thinking-content::-webkit-scrollbar {
    width: 0;
    height: 0;
    display: none;
}
.message-thinking-content h1,
.message-thinking-content h2,
.message-thinking-content h3,
.message-thinking-content h4,
.message-thinking-content h5,
.message-thinking-content h6 {
    margin: 0.2em 0 0.1em;
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-primary);
    max-width: 100%;
    overflow-wrap: break-word;
    word-break: break-word;
}
.message-thinking-content h1 { font-size: 1.4em; border-bottom: 1px solid var(--border-color); padding-bottom: 0.2em; }
.message-thinking-content h2 { font-size: 1.3em; border-bottom: 1px solid var(--border-color); padding-bottom: 0.15em; }
.message-thinking-content h3 { font-size: 1.15em; }
.message-thinking-content h4 { font-size: 1.05em; }
.message-thinking-content p {
    margin: 0.1em 0;
    line-height: 1.4;
    max-width: 100%;
    overflow-wrap: break-word;
    word-break: break-word;
}
.message-thinking-content ul,
.message-thinking-content ol {
    margin: 0.1em 0;
    padding-left: 1.2em;
    max-width: 100%;
}
.message-thinking-content li {
    margin: 0.1em 0;
    max-width: 100%;
    overflow-wrap: break-word;
    word-break: break-word;
}
.message-thinking-content code {
    padding: 0.1em 0.3em;
    margin: 0;
    font-size: 85%;
    background-color: rgba(175, 184, 193, 0.2);
    border-radius: 4px;
    font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
    word-break: break-word;
    overflow-wrap: break-word;
    max-width: 100%;
}
.message-thinking-content pre {
    padding: 6px;
    overflow: auto;
    font-size: 85%;
    line-height: 1.4;
    background-color: #0d1117;
    border-radius: 6px;
    margin: 0.3em 0;
    border: 1px solid var(--border-color);
}
.message-thinking-content pre code {
    background-color: transparent;
    padding: 0;
    margin: 0;
    font-size: 100%;
    word-break: break-word;
    white-space: pre-wrap;
    color: #e6edf3;
    overflow-x: auto;
}
.message-thinking-content blockquote {
    padding: 6px 12px;
    color: var(--text-secondary);
    border-left: 0.25em solid var(--accent-color);
    margin: 0.3em 0;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 0 4px 4px 0;
    max-width: 100%;
    overflow-wrap: break-word;
    word-break: break-word;
}
.message-thinking-content table {
    display: block;
    width: 100%;
    max-width: 100%;
    overflow-x: auto;
    border-spacing: 0;
    border-collapse: collapse;
    margin: 1em 0;
}
.message-thinking-content table tr {
    background-color: var(--bg-primary);
    border-top: 1px solid var(--border-color);
}
.message-thinking-content table tr:nth-child(2n) {
    background-color: rgba(255, 255, 255, 0.02);
}
.message-thinking-content table th,
.message-thinking-content table td {
    padding: 6px 13px;
    border: 1px solid var(--border-color);
    max-width: 100%;
    word-break: break-word;
    overflow-wrap: break-word;
}
.message-thinking-content table th {
    font-weight: 600;
    background-color: rgba(255, 255, 255, 0.05);
}
.message-thinking-content hr {
    height: 0.25em;
    padding: 0;
    margin: 12px 0;
    background-color: var(--border-color);
    border: 0;
}
.message-thinking-content a {
    color: var(--accent-color);
    text-decoration: none;
    word-break: break-word;
    overflow-wrap: break-word;
    max-width: 100%;
}
.message-thinking-content a:hover {
    text-decoration: underline;
}
.message-thinking-content strong,
.message-thinking-content p strong,
.message-thinking-content li strong,
.message-thinking-content blockquote strong {
    font-weight: 600;
    max-width: 100%;
    overflow-wrap: break-word;
    color: var(--text-primary);
}
.message-thinking-content em,
.message-thinking-content p em,
.message-thinking-content li em,
.message-thinking-content blockquote em {
    font-style: italic;
    max-width: 100%;
    overflow-wrap: break-word;
}
.message-thinking .cursor {
    display: inline-block;
    width: 2px;
    height: 1em;
    background: var(--accent-color);
    margin-left: 2px;
    vertical-align: text-bottom;
    animation: cursorFade 1s ease-in-out infinite;
}
.message.assistant .message-bubble {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    margin-right: auto;
    max-width: 100%;
    width: fit-content;
    min-width: auto;
    padding: 1px 4px 1px 12px;
    overflow-wrap: break-word;
    word-break: break-word;
}
.chat-container.wide-mode .message.assistant .message-bubble {
    margin-right: 0;
}
.cursor {
    display: inline-block;
    width: 2px;
    height: 1em;
    background: var(--accent-color);
    margin-left: 2px;
    vertical-align: text-bottom;
    animation: cursorFade 1s ease-in-out infinite;
}

@keyframes cursorFade {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}
.welcome-section {
    flex: none;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 20px;
    text-align: center;
}
.chat-view.has-messages .welcome-section,
.has-messages .welcome-section {
    display: none !important;
}
.toggle-container {
    display: flex;
    align-items: center;
    gap: 12px;
}
.switch {
    position: relative;
    display: inline-block;
    width: 34px;
    height: 20px;
}
.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}
.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--bg-tertiary);
    transition: none;
    border: 1px solid var(--border-color);
}
.slider:before {
    position: absolute;
    content: "";
    height: 14px;
    width: 14px;
    left: 2px;
    bottom: 2px;
    background-color: var(--text-secondary);
    transition: none;
}
input:checked + .slider {
    background-color: var(--accent-color) !important;
    border-color: var(--accent-color) !important;
}
input:checked + .slider:before {
    transform: translateX(14px);
    background-color: white;
}
.slider.round {
    border-radius: 20px;
}
.slider.round:before {
    border-radius: 50%;
}
.toggle-label {
    font-size: 14px;
    color: var(--text-secondary);
}
.context-limit-dropdown {
    position: absolute;
    bottom: calc(100% + 5px);
    right: 0;
    width: auto;
    min-width: 70px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.4);
    display: none;
    flex-direction: column;
    z-index: 2000;
    max-height: 240px;
    overflow-y: auto;
    overscroll-behavior: contain;
}
.context-limit-dropdown.active {
    display: flex;
}
.context-limit-option {
    padding: 1px 6px;
    cursor: pointer;
    font-size: 12px;
    color: var(--text-primary);
    border-bottom: 1px solid var(--border-color);
    white-space: nowrap;
}
.context-limit-option:hover {
    background: var(--bg-secondary);
}
.context-limit-option:last-child {
    border-bottom: none;
}
.role-mention-dropdown {
    position: absolute;
    bottom: calc(100% + 5px);
    left: 14px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.4);
    display: none;
    flex-direction: column;
    z-index: 2000;
    max-height: 230px;
    overflow-y: auto;
    min-width: 240px;
}
.role-mention-dropdown.active {
    display: flex;
}
.role-mention-item {
    padding: 1px 2px;
    cursor: pointer;
    font-size: 12px;
    color: var(--text-primary);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 2px;
}
.role-mention-item:hover {
    background: var(--bg-secondary);
}
.role-mention-item:last-child {
    border-bottom: none;
}
.role-mention-item .role-name {
    font-weight: 600;
    color: var(--accent-color);
}
.role-mention-item .role-preview {
    font-size: 10px;
    color: var(--text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 180px;
}
.context-btn {
    position: relative;
    padding: 0;
    margin-top: 1px;
    display: flex;
    align-items: center;
    gap: 0;
}
.context-btn i,
.context-btn svg,
.context-btn [data-lucide] {
    width: 15px !important;
    height: 15px !important;
    stroke-width: 2px !important;
}
.context-count-badge {
    color: var(--accent-color);
    font-size: 10px;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    transform: scale(0.7, 1.3);
    transform-origin: left center;
    z-index: 100;
    min-width: 14px;
    height: 15px;
    padding: 0;
    margin-left: -10px;
    line-height: 1;
    white-space: nowrap;
}
.message-content {
    display: block;
    word-wrap: break-word;
    overflow-wrap: break-word;
    word-break: break-word;
    min-height: auto;
    margin: 0;
    padding: 0;
    max-width: 100%;
}
.message-content.long-message-collapsed {
    max-height: 200px;
    overflow: hidden;
    position: relative;
    mask-image: linear-gradient(180deg, black 70%, transparent 100%);
    -webkit-mask-image: linear-gradient(180deg, black 70%, transparent 100%);
}
.message-actions-row {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 2px;
    height: 13px;
    flex-wrap: nowrap;
    opacity: 0;
    transition: opacity 0.2s ease;
    position: absolute;
    bottom: -16px;
    right: -2px;
    width: fit-content;
    background: transparent;
    max-width: 100%;
    overflow: hidden;
}
.message-actions-row:hover {
    opacity: 1;
}
.message-bubble .code-copy-btn {
    position: absolute !important;
    top: 6px !important;
    right: 6px !important;
    background: rgba(33, 150, 243, 0.1) !important;
    border: 1px solid rgba(33, 150, 243, 0.2) !important;
    color: var(--accent-color) !important;
    cursor: pointer !important;
    padding: 3px 8px !important;
    font-size: 14px;
    border-radius: 4px !important;
    z-index: 100 !important;
    display: block !important;
    visibility: visible !important;
    transition: all 0.2s ease !important;
    backdrop-filter: blur(4px) !important;
}
.message-bubble .code-copy-btn:hover {
    background: var(--accent-color) !important;
    color: white !important;
    border-color: var(--accent-color) !important;
}
.code-copy-btn.copied {
    background: #22C55E !important;
    color: white !important;
    border-color: #22C55E !important;
}
.message-bubble pre {
    position: relative !important;
    padding: 12px 16px !important;
    margin: 8px 0 !important;
    overflow: auto !important;
    min-height: 42px;
}
.message-bubble pre code {
    display: block;
    padding-right: 60px;
    overflow-x: auto;
    background: transparent;
    border: none;
}
.message-action-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 2px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    transition: none;
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}
.message-action-btn:hover {
    color: var(--text-primary);
}
.message-action-btn i,
.message-action-btn svg,
.message-action-btn [data-lucide] {
    width: 15px !important;
    height: 15px !important;
    stroke-width: 2px !important;
}

/* ========== Scrollbar Navigation — Liquid Glass ========== */
.scrollbar-navigation {
    position: fixed;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    z-index: 100;
    opacity: 0;
    transition: opacity 0.4s ease;
}

.chat-container.has-messages .scrollbar-navigation {
    opacity: 1;
}

/* --- Top button (scroll-to-top) — liquid glass pill --- */
.scrollbar-top-zone {
    width: 32px;
    height: 32px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    position: relative;
    background: rgba(255, 255, 255, 0.04);
    backdrop-filter: blur(8px) saturate(1.7) brightness(1.1);
    -webkit-backdrop-filter: blur(8px) saturate(1.7) brightness(1.1);
    box-shadow:
        inset 0 0.5px 0 rgba(255,255,255,0.18),
        inset 0 -0.5px 0 rgba(0,0,0,0.08),
        0 2px 8px rgba(0,0,0,0.20);
    border: 0.5px solid rgba(255,255,255,0.10);
    transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

body.light-mode .scrollbar-top-zone {
    background: rgba(255, 255, 255, 0.10);
    backdrop-filter: blur(8px) saturate(1.5) brightness(1.05);
    -webkit-backdrop-filter: blur(8px) saturate(1.5) brightness(1.05);
    box-shadow:
        inset 0 0.5px 0 rgba(255,255,255,0.50),
        inset 0 -0.5px 0 rgba(0,0,0,0.03),
        0 2px 8px rgba(0,0,0,0.05);
    border: 0.5px solid rgba(255,255,255,0.30);
}

.scrollbar-top-zone:hover {
    transform: scale(1.05);
}

.scrollbar-top-zone::before {
    content: '';
    width: 7px;
    height: 7px;
    border-top: 1.5px solid var(--accent-color);
    border-right: 1.5px solid var(--accent-color);
    transform: rotate(-45deg);
    margin-top: 2px;
    opacity: 0.8;
    transition: opacity 0.2s ease;
    position: relative;
    z-index: 1;
}

.scrollbar-top-zone:hover::before {
    opacity: 1;
}

/* --- Markers track (the glass rail) --- */
.scrollbar-markers {
    position: relative;
    width: 32px;
    height: 320px;
    border-radius: 8px;
    cursor: pointer;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.04);
    backdrop-filter: blur(8px) saturate(1.7) brightness(1.1);
    -webkit-backdrop-filter: blur(8px) saturate(1.7) brightness(1.1);
    border: 0.5px solid rgba(255,255,255,0.10);
    box-shadow:
        inset 0 0.5px 0 rgba(255,255,255,0.18),
        inset 0 -0.5px 0 rgba(0,0,0,0.08),
        0 2px 12px rgba(0,0,0,0.20);
    transition: box-shadow 0.3s ease;
}

.scrollbar-markers:hover {
    box-shadow:
        inset 0 0.5px 0 rgba(255,255,255,0.22),
        inset 0 -0.5px 0 rgba(0,0,0,0.08),
        0 3px 16px rgba(0,0,0,0.26);
}

body.light-mode .scrollbar-markers {
    background: rgba(255, 255, 255, 0.10);
    backdrop-filter: blur(8px) saturate(1.5) brightness(1.05);
    -webkit-backdrop-filter: blur(8px) saturate(1.5) brightness(1.05);
    border: 0.5px solid rgba(255,255,255,0.30);
    box-shadow:
        inset 0 0.5px 0 rgba(255,255,255,0.50),
        inset 0 -0.5px 0 rgba(0,0,0,0.03),
        0 2px 12px rgba(0,0,0,0.05);
}

/* --- Individual message markers --- */
.scrollbar-marker {
    position: absolute;
    left: 0;
    right: 0;
    height: 20px;
    margin-top: -10px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 1;
}

.scrollbar-marker::before {
    content: '';
    width: 14px;
    height: 2.5px;
    background: var(--accent-color);
    border-radius: 2px;
    opacity: 0.3;
    transition: all 0.2s ease;
}

.scrollbar-marker.active::before {
    width: 22px;
    height: 3px;
    opacity: 1;
    box-shadow:
        0 0 8px var(--accent-color),
        0 0 16px rgba(33, 150, 243, 0.3);
}

.scrollbar-marker:hover::before {
    opacity: 0.6;
    box-shadow: 0 0 6px rgba(33, 150, 243, 0.2);
}