body.chat-page {
    height: 100dvh;
    min-height: 100dvh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    background-color: var(--bg-color);
}

.chat-header {
    height: 60px;
    flex-shrink: 0;
    border-radius: 0;
    box-shadow: 0 1px 10px rgba(0, 0, 0, 0.03);
}

.chat-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    height: 100%;
    padding: 0 24px;
    gap: 16px;
}

.chat-header__left {
    display: flex;
    align-items: center;
    gap: 10px;
}

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

.chat-header__nav {
    display: flex;
    align-items: center;
    gap: 6px;
}

.chat-btn-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 10px;
    border: 1px solid var(--border-color);
    background: rgba(0, 0, 0, 0.02);
    cursor: pointer;
    transition: background-color 0.15s ease, border-color 0.15s ease, transform 0.1s ease;
}

.chat-btn-icon:hover {
    background-color: rgba(0, 0, 0, 0.06);
    border-color: rgba(0, 0, 0, 0.14);
}

.chat-btn-icon:active {
    transform: scale(0.96);
}

.chat-icon-history {
    width: 18px;
    height: 18px;
    object-fit: contain;
    display: block;
}



.chat-app {
    flex: 1;
    display: flex;
    position: relative;
    z-index: 1;
    overflow: hidden;
    height: calc(100dvh - 60px);
}

.chat-sidebar {
    width: 280px;
    flex-shrink: 0;
    background: #fafafa;
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    transition: transform 0.26s cubic-bezier(0.16, 1, 0.3, 1), margin-left 0.26s cubic-bezier(0.16, 1, 0.3, 1);
    z-index: 40;
}

.chat-sidebar.is-collapsed {
    margin-left: -280px;
}

.chat-sidebar__header {
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 16px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.chat-sidebar__title-wrap {
    display: flex;
    align-items: center;
    gap: 8px;
}

.chat-sidebar__icon {
    width: 17px;
    height: 17px;
    object-fit: contain;
}

.chat-sidebar__title {
    font-family: 'Comfortaa', sans-serif;
    font-weight: 700;
    font-size: 14px;
    color: var(--text-primary);
}

.chat-sidebar__collapse-btn {
    width: 30px;
    height: 30px;
    border: none;
    background: transparent;
    border-radius: 8px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    transition: background-color 0.15s ease, color 0.15s ease, transform 0.1s ease;
}

.chat-sidebar__collapse-btn:hover {
    background-color: rgba(0, 0, 0, 0.06);
    color: var(--text-primary);
}

.chat-sidebar__collapse-btn:active {
    transform: scale(0.94);
}

.chat-sidebar__toggle-icon {
    width: 17px;
    height: 17px;
}

.chat-sidebar__new-btn {
    margin: 12px 12px 8px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border-radius: 10px;
    border: 1px solid rgba(0, 0, 0, 0.1);
    background: #ffffff;
    color: var(--text-primary);
    font-family: 'Roboto', sans-serif;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.02);
    transition: background-color 0.15s ease, border-color 0.15s ease, transform 0.1s ease;
}

.chat-sidebar__new-btn:hover {
    background-color: rgba(0, 0, 0, 0.03);
    border-color: rgba(0, 0, 0, 0.2);
}

.chat-sidebar__new-btn:active {
    transform: scale(0.98);
}

.chat-sidebar__new-btn svg {
    width: 13px;
    height: 13px;
}

.chat-sidebar__list {
    flex: 1;
    overflow-y: auto;
    padding: 6px 10px 12px;
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.chat-sidebar__empty-tip {
    padding: 24px 12px;
    text-align: center;
    font-size: 12px;
    line-height: 1.5;
    color: var(--text-muted);
}

.chat-history-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 10px;
    border-radius: 8px;
    cursor: pointer;
    text-decoration: none;
    color: var(--text-primary);
    transition: background-color 0.15s ease;
    position: relative;
    user-select: none;
}

.chat-history-item:hover {
    background-color: rgba(0, 0, 0, 0.05);
}

.chat-history-item.is-active {
    background-color: rgba(0, 0, 0, 0.08);
}

.chat-history-item__body {
    display: flex;
    flex-direction: column;
    gap: 2px;
    overflow: hidden;
    flex: 1;
    padding-right: 6px;
}

.chat-history-item__title {
    font-size: 13px;
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.chat-history-item__meta {
    font-size: 11px;
    color: var(--text-muted);
}

.chat-history-item__delete {
    width: 22px;
    height: 22px;
    border: none;
    background: transparent;
    border-radius: 4px;
    opacity: 0;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.15s ease, background-color 0.15s ease;
    flex-shrink: 0;
}

.chat-history-item:hover .chat-history-item__delete {
    opacity: 0.6;
}

.chat-history-item__delete:hover {
    opacity: 1 !important;
    background-color: rgba(239, 68, 68, 0.12);
}

.chat-history-item__delete img {
    width: 8px;
    height: 8px;
    object-fit: contain;
}

.chat-sidebar__footer {
    padding: 10px 14px;
    border-top: 1px solid rgba(0, 0, 0, 0.06);
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: #fdfdfd;
}

.chat-sidebar__user {
    display: flex;
    flex-direction: column;
    gap: 1px;
    overflow: hidden;
    flex: 1;
}

.chat-sidebar__user-name {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.chat-sidebar__user-status {
    font-size: 11px;
    color: var(--text-muted);
}

.chat-sidebar__sub-label {
    color: #111111;
    font-weight: 500;
}

.chat-sidebar__sub-val {
    color: #2563eb;
    font-weight: 700;
    font-family: 'Comfortaa', sans-serif;
}

.chat-sidebar__clear-btn {
    width: 28px;
    height: 28px;
    border: none;
    background: transparent;
    border-radius: 6px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    transition: color 0.15s ease, background-color 0.15s ease;
}

.chat-sidebar__clear-btn:hover {
    color: #ef4444;
    background-color: rgba(239, 68, 68, 0.08);
}

.chat-sidebar__clear-btn svg {
    width: 14px;
    height: 14px;
}

.chat-sidebar__overlay {
    display: none;
    position: fixed;
    inset: 60px 0 0 0;
    background: rgba(0, 0, 0, 0.32);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: 35;
    opacity: 0;
    transition: opacity 0.25s ease;
}

.chat-sidebar__overlay.is-visible {
    display: block;
    opacity: 1;
}

.chat-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    height: 100%;
    position: relative;
    background: #ffffff;
    overflow: hidden;
}

.chat-main .bg-doodles {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
    overflow: hidden;
}

.chat-sidebar-open-btn {
    position: absolute;
    top: 14px;
    left: 16px;
    width: 36px;
    height: 36px;
    border-radius: 10px;
    border: 1px solid var(--border-color);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
    z-index: 25;
    opacity: 0;
    pointer-events: none;
    transform: translateX(-10px) scale(0.9);
    transition: opacity 0.2s ease, transform 0.2s cubic-bezier(0.16, 1, 0.3, 1), background-color 0.15s ease, box-shadow 0.15s ease;
}

.chat-sidebar-open-btn:hover {
    background: #ffffff;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.chat-sidebar-open-btn:active {
    transform: scale(0.94);
}

.chat-sidebar.is-collapsed ~ .chat-main .chat-sidebar-open-btn {
    opacity: 1;
    pointer-events: auto;
    transform: translateX(0) scale(1);
}

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 24px 24px 16px;
    display: flex;
    flex-direction: column;
    align-items: center;
    scroll-behavior: smooth;
    position: relative;
    z-index: 1;
}

.chat-empty {
    max-width: 620px;
    width: 100%;
    margin: auto 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 20px 0;
    animation: mainFadeIn 0.3s ease-out;
}

.chat-empty.is-hidden {
    display: none;
}

.chat-empty__title {
    font-family: 'Comfortaa', sans-serif;
    font-weight: 700;
    font-size: clamp(22px, 3.6vw, 30px);
    color: var(--text-primary);
    margin-bottom: 16px;
    letter-spacing: -0.6px;
}

.chat-guest-banner {
    background: rgba(0, 0, 0, 0.03);
    border: 1px dashed rgba(0, 0, 0, 0.14);
    border-radius: 12px;
    padding: 10px 16px;
    margin-bottom: 20px;
    font-size: 13px;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    width: 100%;
    max-width: 520px;
    text-align: left;
}

.chat-guest-banner.is-hidden {
    display: none;
}

.chat-guest-banner__btn {
    display: inline-flex;
    align-items: center;
    padding: 5px 12px;
    border-radius: 8px;
    background: var(--text-primary);
    color: #ffffff;
    text-decoration: none;
    font-size: 12px;
    font-weight: 600;
    white-space: nowrap;
    transition: background-color 0.15s ease;
}

.chat-guest-banner__btn:hover {
    background-color: #2a2a2a;
}



.chat-feed {
    width: 100%;
    max-width: 760px;
    display: flex;
    flex-direction: column;
    gap: 18px;
    padding-bottom: 20px;
}

.chat-msg {
    display: flex;
    gap: 12px;
    animation: msgFadeIn 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes msgFadeIn {
    from {
        opacity: 0;
        transform: translateY(6px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.chat-msg--user {
    align-self: flex-end;
    flex-direction: row-reverse;
    max-width: 82%;
}

.chat-msg--user .chat-msg__bubble {
    background: var(--text-primary);
    color: #ffffff;
    border-radius: 18px 18px 4px 18px;
    padding: 12px 18px;
    font-size: 14.5px;
    line-height: 1.55;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    word-break: break-word;
}

.chat-msg--assistant {
    align-self: flex-start;
    max-width: 86%;
}

.chat-msg__avatar {
    width: 32px;
    height: 32px;
    border-radius: 10px;
    background: #000000;
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Comfortaa', sans-serif;
    font-size: 14px;
    font-weight: 700;
    flex-shrink: 0;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.08);
}

.chat-msg__body {
    display: flex;
    flex-direction: column;
    gap: 4px;
    flex: 1;
}

.chat-msg__author {
    font-size: 11px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.chat-msg--assistant .chat-msg__bubble {
    background: #f7f7f8;
    color: var(--text-primary);
    border: 1px solid rgba(0, 0, 0, 0.06);
    border-radius: 4px 18px 18px 18px;
    padding: 14px 18px;
    font-size: 14.5px;
    line-height: 1.6;
    word-break: break-word;
}

.chat-msg__media {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 8px;
}

.chat-msg__bubble > .chat-msg__media:last-child {
    margin-bottom: 0;
}

.chat-msg__img {
    max-width: 260px;
    max-height: 220px;
    border-radius: 12px;
    object-fit: cover;
    display: block;
}

.chat-msg__file-card {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 8px 12px;
    border-radius: 11px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.16);
    max-width: 100%;
    min-width: 180px;
    box-sizing: border-box;
}

.chat-msg--assistant .chat-msg__file-card {
    background: #ffffff;
    border: 1px solid rgba(0, 0, 0, 0.08);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

.chat-msg__file-icon {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.18);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    flex-shrink: 0;
}

.chat-msg--assistant .chat-msg__file-icon {
    background: rgba(0, 0, 0, 0.05);
    color: var(--text-primary);
}

.chat-msg__file-icon svg {
    display: block;
}

.chat-msg__file-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 0;
    flex: 1;
}

.chat-msg__file-name {
    font-size: 13px;
    font-weight: 500;
    line-height: 1.3;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    color: #ffffff;
}

.chat-msg--assistant .chat-msg__file-name {
    color: var(--text-primary);
}

.chat-msg__file-size {
    font-size: 11px;
    line-height: 1.2;
    color: rgba(255, 255, 255, 0.7);
}

.chat-msg--assistant .chat-msg__file-size {
    color: var(--text-muted);
}

.chat-msg__bubble p,
.chat-msg__p {
    margin-bottom: 8px;
    line-height: 1.6;
}

.chat-msg__bubble p:last-child,
.chat-msg__p:last-child {
    margin-bottom: 0;
}

.chat-msg__bubble strong,
.chat-msg__bubble b {
    font-weight: 700;
    color: #000000;
}

.chat-msg--user .chat-msg__bubble strong,
.chat-msg--user .chat-msg__bubble b {
    color: #ffffff;
}

.chat-msg__bubble em,
.chat-msg__bubble i {
    font-style: italic;
}

.chat-msg__link {
    color: #2563eb;
    text-decoration: underline;
    text-decoration-thickness: 1.5px;
    text-underline-offset: 3px;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 3px;
    border-radius: 4px;
    padding: 0 3px;
    margin: 0 1px;
    transition: color 0.15s ease, background-color 0.15s ease, text-decoration-color 0.15s ease;
    word-break: break-all;
    vertical-align: baseline;
    cursor: pointer;
}

.chat-msg__link:hover {
    color: #1d4ed8;
    background-color: rgba(37, 99, 235, 0.08);
    text-decoration-color: #1d4ed8;
}

.chat-msg--user .chat-msg__link {
    color: #93c5fd;
    text-decoration-color: rgba(147, 197, 253, 0.7);
}

.chat-msg--user .chat-msg__link:hover {
    color: #ffffff;
    background-color: rgba(255, 255, 255, 0.16);
    text-decoration-color: #ffffff;
}

.chat-msg__link-icon {
    width: 10px;
    height: 10px;
    flex-shrink: 0;
    opacity: 0.75;
    transition: transform 0.15s ease, opacity 0.15s ease;
    vertical-align: middle;
}

.chat-msg__link:hover .chat-msg__link-icon {
    opacity: 1;
    transform: translate(1px, -1px);
}

.chat-msg__h1,
.chat-msg__h2,
.chat-msg__h3,
.chat-msg__h4 {
    font-family: 'Comfortaa', sans-serif;
    font-weight: 700;
    color: var(--text-primary);
    margin: 14px 0 6px;
    letter-spacing: -0.3px;
    line-height: 1.35;
}

.chat-msg__h1:first-child,
.chat-msg__h2:first-child,
.chat-msg__h3:first-child,
.chat-msg__h4:first-child {
    margin-top: 0;
}

.chat-msg__h1 {
    font-size: 19px;
}

.chat-msg__h2 {
    font-size: 17px;
}

.chat-msg__h3 {
    font-size: 15px;
}

.chat-msg__h4 {
    font-size: 14px;
}

.chat-msg__ul,
.chat-msg__ol,
.chat-msg__bubble ul,
.chat-msg__bubble ol {
    padding-left: 22px;
    margin: 8px 0 10px;
}

.chat-msg__ul li,
.chat-msg__ol li,
.chat-msg__bubble ul li,
.chat-msg__bubble ol li {
    margin-bottom: 4px;
    line-height: 1.55;
}

.chat-inline-code,
.chat-msg__bubble code:not(.chat-code__content) {
    background: rgba(0, 0, 0, 0.06);
    color: #0f172a;
    padding: 2px 6px;
    border-radius: 5px;
    font-family: 'Consolas', 'Courier New', monospace;
    font-size: 12.5px;
    border: 1px solid rgba(0, 0, 0, 0.06);
}

.chat-msg--user .chat-inline-code,
.chat-msg--user .chat-msg__bubble code:not(.chat-code__content) {
    background: rgba(255, 255, 255, 0.16);
    color: #ffffff;
    border-color: rgba(255, 255, 255, 0.22);
}

.chat-code {
    background: #0d0d10;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 14px;
    overflow: hidden;
    margin: 14px 0;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25), 0 2px 6px rgba(0, 0, 0, 0.15);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.chat-code:hover {
    border-color: rgba(255, 255, 255, 0.14);
}

.chat-code__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 16px;
    background: #16161a;
    border-bottom: 1px solid rgba(255, 255, 255, 0.07);
}

.chat-code__header-left {
    display: flex;
    align-items: center;
    gap: 8px;
}

.chat-code__lang {
    font-family: 'Comfortaa', sans-serif;
    font-size: 11px;
    font-weight: 700;
    color: #cbd5e1;
    letter-spacing: 0.8px;
    background: rgba(255, 255, 255, 0.06);
    padding: 2px 8px;
    border-radius: 5px;
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.chat-code__header-right {
    display: flex;
    align-items: center;
    gap: 8px;
}

.chat-code__lines-count {
    font-family: 'Roboto', sans-serif;
    font-size: 11px;
    color: #71717a;
    font-weight: 500;
    margin-right: 4px;
}

.chat-code__btn,
.chat-code__copy {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.08);
    color: #d4d4d8;
    font-family: 'Roboto', sans-serif;
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    padding: 4px 10px;
    border-radius: 7px;
    transition: background-color 0.15s ease, color 0.15s ease, border-color 0.15s ease, transform 0.1s ease;
}

.chat-code__btn:hover,
.chat-code__copy:hover {
    background-color: rgba(255, 255, 255, 0.12);
    color: #ffffff;
    border-color: rgba(255, 255, 255, 0.18);
}

.chat-code__btn:active,
.chat-code__copy:active {
    transform: scale(0.97);
}

.chat-code__btn.is-success,
.chat-code__copy.is-copied {
    color: #34d399;
    background-color: rgba(52, 211, 153, 0.12);
    border-color: rgba(52, 211, 153, 0.3);
}

.chat-code__btn-icon,
.chat-code__copy-icon {
    width: 13px;
    height: 13px;
    flex-shrink: 0;
}

.chat-code__body {
    display: flex;
    background: #0d0d10;
    position: relative;
    overflow: hidden;
}

.chat-code__gutter {
    display: flex;
    flex-direction: column;
    padding: 14px 12px 14px 14px;
    background: #0d0d10;
    border-right: 1px solid rgba(255, 255, 255, 0.06);
    user-select: none;
    text-align: right;
    min-width: 40px;
    box-sizing: border-box;
}

.chat-code__num {
    font-family: 'Consolas', 'Courier New', monospace;
    font-size: 12.5px;
    line-height: 1.65;
    color: #475569;
}

.chat-code__pre {
    margin: 0;
    padding: 14px 18px;
    overflow-x: auto;
    background: #0d0d10;
    color: #f1f5f9;
    font-family: 'Consolas', 'Courier New', monospace;
    font-size: 13px;
    line-height: 1.65;
    flex: 1;
    min-width: 0;
    scrollbar-width: thin;
    scrollbar-color: rgba(255, 255, 255, 0.15) transparent;
}

.chat-code__pre::-webkit-scrollbar {
    height: 6px;
}

.chat-code__pre::-webkit-scrollbar-track {
    background: transparent;
}

.chat-code__pre::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.15);
    border-radius: 999px;
}

.chat-code__pre::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.3);
}

.chat-code__content {
    font-family: inherit;
    font-size: inherit;
    line-height: inherit;
    background: transparent !important;
    border: none !important;
    padding: 0 !important;
    color: inherit;
    white-space: pre;
    display: block;
}

.tok-comment {
    color: #71717a;
    font-style: italic;
}

.tok-string {
    color: #4ade80;
}

.tok-decorator {
    color: #818cf8;
    font-weight: 500;
}

.tok-keyword {
    color: #c084fc;
    font-weight: 600;
}

.tok-func-name {
    color: #38bdf8;
    font-weight: 600;
}

.tok-class-name {
    color: #fde047;
    font-weight: 700;
}

.tok-builtin {
    color: #60a5fa;
}

.tok-constant {
    color: #fb7185;
    font-weight: 600;
}

.tok-number {
    color: #fb923c;
}

.tok-operator {
    color: #94a3b8;
}

.chat-typing {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 2px 4px;
}

.chat-typing__dot {
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background-color: #000000;
    animation: typingBounce 1.2s infinite ease-in-out;
}

.chat-typing__dot:nth-child(2) {
    animation-delay: 0.2s;
}

.chat-typing__dot:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes typingBounce {
    0%, 60%, 100% {
        transform: translateY(0);
        opacity: 0.35;
    }
    30% {
        transform: translateY(-3px);
        opacity: 1;
    }
}

.chat-msg--typing .chat-msg__bubble {
    padding: 8px 14px;
    display: inline-flex;
    align-items: center;
    width: fit-content;
}

.model-select__item.is-locked {
    opacity: 0.55;
    cursor: pointer;
    position: relative;
}

.model-select__item.is-locked:hover {
    background-color: rgba(0, 0, 0, 0.03);
    opacity: 0.8;
}

.model-select__item-badge {
    margin-left: auto;
    font-size: 10px;
    font-weight: 700;
    font-family: 'Comfortaa', sans-serif;
    color: #2563eb;
    background: rgba(37, 99, 235, 0.08);
    padding: 2px 6px;
    border-radius: 6px;
    letter-spacing: 0.3px;
}

.chat-input-container {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 0 20px 14px;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0) 0%, #ffffff 32%);
    z-index: 10;
}

.chat-file-notice {
    display: none;
    font-size: 12px;
    color: #ef4444;
    background: rgba(239, 68, 68, 0.08);
    border: 1px solid rgba(239, 68, 68, 0.2);
    border-radius: 8px;
    padding: 6px 12px;
    margin-bottom: 8px;
    max-width: 760px;
    width: 100%;
    text-align: center;
}

.chat-file-notice.is-visible {
    display: block;
}

.chat-bar {
    width: 100%;
    max-width: 760px;
    background: #ffffff;
    border: 1px solid rgba(0, 0, 0, 0.12);
    border-radius: 20px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
    padding: 12px 14px 10px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
    position: relative;
}

.chat-bar:focus-within {
    border-color: rgba(0, 0, 0, 0.38);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08), 0 0 0 1px rgba(0, 0, 0, 0.06);
}

.chat-bar.is-dragover {
    border-color: #000000;
    background-color: #fcfcfc;
}

.chat-bar__attachments {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.attachment-chip {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: #f4f4f6;
    border: 1px solid rgba(0, 0, 0, 0.08);
    border-radius: 9px;
    padding: 5px 9px 5px 6px;
    max-width: 240px;
    font-size: 12px;
    color: var(--text-primary);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

.attachment-chip img:first-child {
    width: 22px;
    height: 22px;
    border-radius: 5px;
    object-fit: cover;
    flex-shrink: 0;
}

.attachment-chip__icon-wrap {
    width: 22px;
    height: 22px;
    border-radius: 5px;
    background: rgba(0, 0, 0, 0.06);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
    flex-shrink: 0;
}

.attachment-chip__icon-wrap svg {
    display: block;
}

.attachment-chip__name {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    font-weight: 500;
    flex: 1;
}

.attachment-chip__size {
    font-size: 10.5px;
    color: var(--text-muted);
    flex-shrink: 0;
}

.attachment-chip__remove {
    width: 16px;
    height: 16px;
    border: none;
    background: transparent;
    border-radius: 50%;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    opacity: 0.6;
    transition: opacity 0.15s ease;
    flex-shrink: 0;
}

.attachment-chip__remove:hover {
    opacity: 1;
}

.attachment-chip__remove img {
    width: 8px;
    height: 8px;
    object-fit: contain;
}

.chat-bar__top {
    width: 100%;
}

.chat-bar__input {
    width: 100%;
    border: none;
    outline: none;
    resize: none;
    background: transparent;
    font-family: 'Roboto', sans-serif;
    font-size: 15px;
    line-height: 1.5;
    color: var(--text-primary);
    max-height: 140px;
    min-height: 24px;
}

.chat-bar__bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.chat-bar__tools {
    display: flex;
    align-items: center;
    gap: 8px;
}

.chat-bar__tool-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    border-radius: 9px;
    border: none;
    outline: none;
    background: transparent;
    cursor: pointer;
    transition: background-color 0.15s ease;
    user-select: none;
    padding: 0;
}

.chat-bar__tool-btn:hover {
    background-color: rgba(0, 0, 0, 0.05);
}

.chat-bar__tool-btn img {
    width: 22px;
    height: 22px;
    object-fit: contain;
    display: block;
}

.chat-bar__send-btn {
    width: 32px;
    height: 32px;
    border-radius: 10px;
    border: none;
    background: var(--text-primary);
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background-color 0.15s ease, transform 0.1s ease;
}

.chat-bar__send-btn:hover {
    background: #2a2a2a;
}

.chat-bar__send-btn:active {
    transform: scale(0.92);
}

.chat-bar__send-btn svg {
    width: 16px;
    height: 16px;
}

.chat-bar__drop-overlay {
    position: absolute;
    inset: 0;
    background: rgba(255, 255, 255, 0.94);
    backdrop-filter: blur(4px);
    border-radius: 20px;
    display: none;
    align-items: center;
    justify-content: center;
    gap: 8px;
    pointer-events: none;
    z-index: 5;
}

.chat-bar.is-dragover .chat-bar__drop-overlay {
    display: flex;
}

.chat-bar__drop-icon {
    width: 20px;
    height: 20px;
}

.chat-bar__drop-text {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
}

.chat-disclaimer {
    font-size: 11px;
    color: var(--text-muted);
    text-align: center;
    margin-top: 8px;
}

.chat-bar__tool-icon {
    width: 18px;
    height: 18px;
    stroke: var(--text-primary);
    stroke-width: 1.7;
    fill: none;
    transition: stroke 0.15s ease, transform 0.1s ease;
}

.chat-bar__tool-btn--voice:hover .chat-bar__tool-icon {
    stroke: #ef4444;
}

.chat-voice-panel {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 48px;
    background: #ffffff;
    border-radius: 0 0 20px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 14px 8px;
    z-index: 6;
    animation: voicePanelIn 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes voicePanelIn {
    from {
        opacity: 0;
        transform: translateY(4px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.chat-voice-panel__status {
    display: flex;
    align-items: center;
    gap: 8px;
    min-width: 85px;
}

.chat-voice-panel__icon {
    width: 15px;
    height: 15px;
    stroke: var(--text-primary);
    stroke-width: 1.8;
    fill: none;
    flex-shrink: 0;
}

.chat-voice-panel__timer {
    font-family: 'Roboto', sans-serif;
    font-size: 13.5px;
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: 0.5px;
}

.chat-voice-panel__wave {
    display: flex;
    align-items: center;
    gap: 3px;
    height: 24px;
    flex: 1;
    max-width: 260px;
    justify-content: center;
    margin: 0 12px;
}

.chat-voice-panel__wave span {
    width: 3px;
    height: 5px;
    background-color: var(--text-primary);
    border-radius: 3px;
    animation: voiceWaveBar 1.2s infinite ease-in-out;
}

.chat-voice-panel__wave span:nth-child(1) { animation-delay: 0.1s; }
.chat-voice-panel__wave span:nth-child(2) { animation-delay: 0.3s; }
.chat-voice-panel__wave span:nth-child(3) { animation-delay: 0.5s; }
.chat-voice-panel__wave span:nth-child(4) { animation-delay: 0.2s; }
.chat-voice-panel__wave span:nth-child(5) { animation-delay: 0.4s; }
.chat-voice-panel__wave span:nth-child(6) { animation-delay: 0.6s; }
.chat-voice-panel__wave span:nth-child(7) { animation-delay: 0.25s; }
.chat-voice-panel__wave span:nth-child(8) { animation-delay: 0.45s; }

@keyframes voiceWaveBar {
    0%, 100% {
        height: 5px;
    }
    50% {
        height: 18px;
    }
}

.chat-voice-panel__actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

.chat-voice-panel__btn {
    width: 34px;
    height: 34px;
    border-radius: 10px;
    border: none;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.15s ease, transform 0.1s ease;
}

.chat-voice-panel__btn:active {
    transform: scale(0.92);
}

.chat-voice-panel__btn--cancel {
    background: rgba(239, 68, 68, 0.1);
    color: #ef4444;
}

.chat-voice-panel__btn--cancel:hover {
    background: rgba(239, 68, 68, 0.18);
}

.chat-voice-panel__btn--cancel svg {
    width: 16px;
    height: 16px;
}

.chat-voice-panel__btn--done,
.chat-voice-panel__btn--send {
    background: #000000;
    color: #ffffff;
}

.chat-voice-panel__btn--done:hover,
.chat-voice-panel__btn--send:hover {
    background: #2a2a2a;
}

.chat-voice-panel__btn--done svg,
.chat-voice-panel__btn--send svg {
    width: 16px;
    height: 16px;
}

.chat-msg__voice-card {
    display: flex;
    align-items: center;
    gap: 12px;
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 14px;
    padding: 10px 14px;
    min-width: 240px;
    max-width: 320px;
    user-select: none;
}

.chat-msg--assistant .chat-msg__voice-card {
    background: #ffffff;
    border-color: rgba(0, 0, 0, 0.08);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.03);
}

.chat-msg__voice-play {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: none;
    background: #ffffff;
    color: #000000;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    flex-shrink: 0;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.12);
    transition: transform 0.12s ease, background-color 0.15s ease;
}

.chat-msg--assistant .chat-msg__voice-play {
    background: #000000;
    color: #ffffff;
}

.chat-msg__voice-play:hover {
    transform: scale(1.05);
}

.chat-msg__voice-play:active {
    transform: scale(0.95);
}

.chat-msg__voice-play svg {
    width: 15px;
    height: 15px;
    margin-left: 1px;
}

.chat-msg__voice-card.is-playing .chat-msg__voice-play svg {
    margin-left: 0;
}

.chat-msg__voice-track {
    display: flex;
    flex-direction: column;
    gap: 5px;
    flex: 1;
    min-width: 0;
}

.chat-msg__voice-waveform {
    display: flex;
    align-items: center;
    gap: 2px;
    height: 18px;
    cursor: pointer;
}

.chat-msg__voice-bar {
    flex: 1;
    height: 6px;
    border-radius: 2px;
    background: rgba(255, 255, 255, 0.35);
    transition: background-color 0.1s ease;
}

.chat-msg--assistant .chat-msg__voice-bar {
    background: rgba(0, 0, 0, 0.18);
}

.chat-msg__voice-bar.is-active {
    background: #ffffff;
}

.chat-msg--assistant .chat-msg__voice-bar.is-active {
    background: #000000;
}

.chat-msg__voice-duration {
    font-family: 'Roboto', sans-serif;
    font-size: 11px;
    color: rgba(255, 255, 255, 0.75);
    font-weight: 500;
}

.chat-msg--assistant .chat-msg__voice-duration {
    color: var(--text-muted);
}

@media (max-width: 860px) {
    .chat-header__inner {
        padding: 0 16px;
    }

    .chat-header__nav {
        position: fixed;
        top: 60px;
        left: 0;
        right: 0;
        width: 100%;
        transform: translateY(-120%);
        opacity: 0;
        pointer-events: none;
        background: var(--panel-bg);
        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);
        border: 1px solid var(--border-color);
        border-top: none;
        border-radius: 0 0 20px 20px;
        box-shadow: 0 12px 24px rgba(0, 0, 0, 0.04);
        flex-direction: column;
        align-items: stretch;
        padding: 12px 16px 16px;
        gap: 4px;
        transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.2s ease;
        z-index: 90;
    }

    .chat-header__nav.is-open {
        transform: translateY(0);
        opacity: 1;
        pointer-events: auto;
    }

    .chat-header__nav .header__nav-link {
        padding: 12px 14px;
        font-size: 16px;
    }

    .chat-sidebar {
        position: fixed;
        top: 60px;
        bottom: 0;
        left: 0;
        width: 280px;
        margin-left: 0;
        transform: translateX(-100%);
        box-shadow: 12px 0 32px rgba(0, 0, 0, 0.1);
    }

    .chat-sidebar.is-open {
        transform: translateX(0);
    }

    .chat-sidebar.is-collapsed {
        margin-left: 0;
    }

    .chat-sidebar-open-btn {
        opacity: 1;
        pointer-events: auto;
        transform: translateX(0) scale(1);
    }
}

@media (max-width: 600px) {
    .chat-msg--user {
        max-width: 90%;
    }

    .chat-msg--assistant {
        max-width: 95%;
    }



    .chat-messages {
        padding: 16px 14px 12px;
    }

    .chat-input-container {
        padding: 0 14px 12px;
    }

    .chat-bar {
        border-radius: 16px;
        padding: 10px 12px 8px;
    }
}

.chat-center-toast {
    position: fixed;
    top: 24px;
    left: 50%;
    transform: translate(-50%, -24px);
    z-index: 3000;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.28s cubic-bezier(0.16, 1, 0.3, 1), transform 0.28s cubic-bezier(0.16, 1, 0.3, 1);
}

.chat-center-toast.is-visible {
    opacity: 1;
    pointer-events: auto;
    transform: translate(-50%, 0);
}

.chat-center-toast__dialog {
    display: flex;
    align-items: center;
    gap: 14px;
    background: #111113;
    color: #ffffff;
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 16px;
    padding: 16px 20px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.45), 0 0 1px 1px rgba(255, 255, 255, 0.08);
    max-width: 440px;
    width: calc(100vw - 32px);
}

.chat-center-toast__icon {
    width: 38px;
    height: 38px;
    border-radius: 10px;
    background: rgba(239, 68, 68, 0.15);
    color: #ef4444;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.chat-center-toast__icon svg {
    width: 20px;
    height: 20px;
}

.chat-center-toast__content {
    flex: 1;
    min-width: 0;
    text-align: left;
}

.chat-center-toast__title {
    font-family: 'Comfortaa', sans-serif;
    font-size: 15px;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 3px;
    letter-spacing: -0.2px;
}

.chat-center-toast__desc {
    font-family: 'Roboto', sans-serif;
    font-size: 13px;
    color: #a1a1aa;
    line-height: 1.45;
    word-break: break-word;
}

.chat-center-toast__close {
    width: 28px;
    height: 28px;
    border-radius: 8px;
    border: none;
    background: transparent;
    color: #71717a;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    flex-shrink: 0;
    transition: background-color 0.15s ease, color 0.15s ease;
}

.chat-center-toast__close:hover {
    background-color: rgba(255, 255, 255, 0.08);
    color: #ffffff;
}

.chat-center-toast__close svg {
    width: 15px;
    height: 15px;
}

.chat-sidebar__tabs {
    margin: 10px 12px 6px;
    background: rgba(0, 0, 0, 0.04);
    border-radius: 10px;
    padding: 3px;
    display: flex;
    gap: 3px;
    flex-shrink: 0;
}

.chat-sidebar__tab {
    flex: 1;
    height: 32px;
    border: none;
    background: transparent;
    border-radius: 7px;
    color: var(--text-muted);
    font-family: 'Roboto', sans-serif;
    font-size: 12px;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    cursor: pointer;
    transition: background-color 0.16s ease, color 0.16s ease, box-shadow 0.16s ease;
    user-select: none;
}

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

.chat-sidebar__tab.is-active {
    background: #ffffff;
    color: var(--text-primary);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.07);
}

.chat-sidebar__tab-icon {
    width: 13px;
    height: 13px;
    flex-shrink: 0;
}

.chat-sidebar__pane {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 0;
    overflow: hidden;
}

.limits-view {
    flex: 1;
    overflow-y: auto;
    padding: 8px 12px 14px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.limits-card {
    background: #ffffff;
    border: 1px solid rgba(0, 0, 0, 0.07);
    border-radius: 12px;
    padding: 12px 14px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.02);
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.limits-card--plan {
    background: linear-gradient(180deg, #ffffff 0%, #f8faff 100%);
    border-color: rgba(37, 99, 235, 0.16);
    padding: 13px 15px;
}

.limits-card__plan-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
}

.limits-card__plan-name {
    font-family: 'Comfortaa', sans-serif;
    font-weight: 700;
    font-size: 17px;
    color: #111111;
}

.limits-card__plan-badge {
    font-family: 'Roboto', sans-serif;
    font-size: 11px;
    font-weight: 700;
    color: #2563eb;
    background: rgba(37, 99, 235, 0.09);
    padding: 2px 8px;
    border-radius: 999px;
    border: 1px solid rgba(37, 99, 235, 0.18);
    line-height: 1.4;
}

.limits-card__plan-badge--unlimited {
    color: #059669;
    background: rgba(16, 185, 129, 0.1);
    border-color: rgba(16, 185, 129, 0.2);
}

.limits-card__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
}

.limits-card__label {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
}

.limits-card__stat {
    font-size: 13px;
    font-weight: 700;
    color: #2563eb;
    font-family: 'Comfortaa', sans-serif;
}

.limits-track {
    width: 100%;
    height: 8px;
    background: #edf2f7;
    border-radius: 999px;
    overflow: hidden;
    position: relative;
}

.limits-bar {
    height: 100%;
    border-radius: 999px;
    background: linear-gradient(90deg, #3b82f6 0%, #2563eb 100%);
    box-shadow: 0 0 10px rgba(37, 99, 235, 0.35);
    transition: width 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.limits-bar--heavy {
    background: linear-gradient(90deg, #6366f1 0%, #4f46e5 100%);
    box-shadow: 0 0 10px rgba(79, 70, 229, 0.35);
}

.limits-card__footer-info {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 6px;
    font-size: 11px;
    color: var(--text-muted);
}

.limits-card__pct {
    font-weight: 600;
    color: #2563eb;
}

.limits-card--reset {
    background: #fafafa;
}

.limits-card__reset-inner {
    display: flex;
    align-items: center;
    gap: 10px;
}

.limits-reset-icon {
    width: 16px;
    height: 16px;
    color: #2563eb;
    flex-shrink: 0;
}

.limits-card__reset-texts {
    display: flex;
    flex-direction: column;
    gap: 1px;
}

.limits-card__reset-label {
    font-size: 11px;
    color: var(--text-muted);
}

.limits-card__reset-time {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-primary);
}

.limits-upgrade-card {
    background: #ffffff;
    border: 1px solid rgba(37, 99, 235, 0.16);
    border-radius: 12px;
    padding: 12px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.limits-upgrade-card__title {
    font-family: 'Comfortaa', sans-serif;
    font-size: 13px;
    font-weight: 700;
    color: var(--text-primary);
}

.limits-upgrade-card__desc {
    font-size: 11px;
    color: var(--text-muted);
    line-height: 1.45;
    margin: 0;
}

.limits-upgrade-card__btn {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 32px;
    border-radius: 8px;
    background: #000000;
    color: #ffffff;
    text-decoration: none;
    font-size: 12px;
    font-weight: 600;
    margin-top: 4px;
    transition: background-color 0.15s ease;
}

.limits-upgrade-card__btn:hover {
    background: #2563eb;
}