/**
 * GPTun (LibreChat) — CSS стили
 * Извлечено из librechat/index.html при рефакторинге
 */

[x-cloak] { display: none !important; }
body { font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif; }

/* Custom Scrollbar */
.scrollbar-thin::-webkit-scrollbar { width: 6px; height: 6px; }
.scrollbar-thin::-webkit-scrollbar-track { background: transparent; }
.scrollbar-thin::-webkit-scrollbar-thumb { background-color: rgba(156, 163, 175, 0.5); border-radius: 3px; transition: background-color 0.2s; }
.scrollbar-thin::-webkit-scrollbar-thumb:hover { background-color: rgba(107, 114, 128, 0.8); }

/* Prose Overrides */
.prose pre { padding: 0; background: transparent; border: none; margin: 0; }
.prose pre code { background: #f3f4f6; color: #1f2937; padding: 1em; display: block; border-radius: 0.5em; }
.dark .prose pre code { background: #111827; color: #e5e7eb; }
.dark .prose strong { color: white; }
.dark .prose a { color: #60a5fa; }

/* Smooth transitions */
button, a, .cursor-pointer { transition: all 0.2s ease-in-out; }
.aichat-shell-header {
    min-height: 58px;
    border-bottom: 0;
    box-shadow: none;
}

.dark .aichat-shell-header {
    background: rgba(17, 24, 39, 0.95);
}

.aichat-brand {
    flex: 0 0 auto;
    font-size: 1.05rem;
    font-weight: 760;
    color: #111827;
    letter-spacing: 0;
    white-space: nowrap;
    font-feature-settings: 'cv02', 'cv03', 'cv04', 'kern';
}

.dark .aichat-brand {
    color: #f9fafb;
}

.aichat-header-actions {
    flex: 0 1 auto;
}

.aichat-icon-button.aichat-header-action {
    width: 44px;
    height: 44px;
    flex-basis: 44px;
}

.aichat-header-action--active,
.aichat-header-action[aria-current="page"] {
    color: #0f766e;
    border-color: #a7f3d0;
    background: #ecfdf5;
}

.aichat-header-action--admin {
    color: #c2410c;
}

.aichat-header-action[data-tooltip]::after {
    content: attr(data-tooltip);
    position: absolute;
    top: calc(100% + 0.45rem);
    left: 50%;
    z-index: 90;
    padding: 0.3rem 0.5rem;
    border-radius: 0.45rem;
    background: #111827;
    color: #ffffff;
    font-size: 0.68rem;
    font-weight: 600;
    line-height: 1;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transform: translate(-50%, -0.2rem);
    transition: opacity 120ms ease, transform 120ms ease;
}

.aichat-header-action[data-tooltip]:hover::after,
.aichat-header-action[data-tooltip]:focus-visible::after {
    opacity: 1;
    transform: translate(-50%, 0);
}

.dark .aichat-header-action--active,
.dark .aichat-header-action[aria-current="page"] {
    color: #5eead4;
    border-color: rgba(45, 212, 191, 0.45);
    background: rgba(6, 78, 59, 0.35);
}

.dark .aichat-header-action--admin {
    color: #fdba74;
}

.aichat-header-nav {
    display: inline-flex;
    align-items: center;
    gap: 0.2rem;
    min-width: 0;
    overflow-x: auto;
    scrollbar-width: none;
}

.aichat-header-nav::-webkit-scrollbar {
    display: none;
}

.aichat-mobile-menu-wrap {
    display: none;
}

.aichat-mobile-menu-trigger {
    display: none;
}

.aichat-mobile-menu {
    position: absolute;
    top: calc(100% + 0.5rem);
    left: 0;
    z-index: 80;
    width: min(78vw, 18rem);
    padding: 0.45rem;
    border: 1px solid rgba(229, 231, 235, 0.95);
    border-radius: 1rem;
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 18px 50px rgba(15, 23, 42, 0.16);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    transform-origin: top left;
}

.dark .aichat-mobile-menu {
    border-color: rgba(75, 85, 99, 0.85);
    background: rgba(17, 24, 39, 0.98);
    box-shadow: 0 18px 50px rgba(0, 0, 0, 0.35);
}

.aichat-mobile-menu__item {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    width: 100%;
    min-height: 2.55rem;
    padding: 0.55rem 0.7rem;
    border-radius: 0.75rem;
    color: #374151;
    font-size: 0.88rem;
    font-weight: 650;
    text-align: left;
}

.aichat-mobile-menu__item i {
    width: 1rem;
    color: #6b7280;
    text-align: center;
}

.aichat-mobile-menu__item:hover {
    color: #111827;
    background: #f3f4f6;
}

.aichat-mobile-menu__item--admin,
.aichat-mobile-menu__item--admin i {
    color: #c2410c;
}

.dark .aichat-mobile-menu__item {
    color: #e5e7eb;
}

.dark .aichat-mobile-menu__item i {
    color: #9ca3af;
}

.dark .aichat-mobile-menu__item:hover {
    color: #ffffff;
    background: #374151;
}

.dark .aichat-mobile-menu__item--admin,
.dark .aichat-mobile-menu__item--admin i {
    color: #fdba74;
}

.aichat-header-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 auto;
    min-height: 34px;
    padding: 0.45rem 0.58rem;
    border-radius: 9999px;
    color: #4b5563;
    font-size: 0.76rem;
    font-weight: 600;
    letter-spacing: 0;
    white-space: nowrap;
}

@media (max-width: 767px) {
    .aichat-header-nav {
        display: none;
    }

    .aichat-mobile-menu-wrap {
        display: block;
    }

    .aichat-mobile-menu-trigger {
        display: inline-flex;
    }
}

@media (min-width: 768px) {
    .aichat-mobile-menu-wrap,
    .aichat-mobile-menu-trigger,
    .aichat-mobile-menu {
        display: none !important;
    }
}

.aichat-header-link:hover {
    color: #111827;
    background: #f3f4f6;
}

.dark .aichat-header-link {
    color: #d1d5db;
}

.dark .aichat-header-link:hover {
    color: #ffffff;
    background: #374151;
}

.aichat-header-link--admin {
    color: #c2410c;
}

.dark .aichat-header-link--admin {
    color: #fdba74;
}

.aichat-header-link--exit {
    color: #0f766e;
    background: #ecfdf5;
}

.aichat-header-link--exit:hover {
    color: #065f46;
    background: #d1fae5;
}

/* Guest login button */
.aichat-login-btn {
    gap: 0.35rem;
    border: 1px solid rgba(99, 102, 241, 0.35);
    background: rgba(99, 102, 241, 0.08);
    color: #4f46e5;
}
.aichat-login-btn:hover {
    background: rgba(99, 102, 241, 0.16);
    border-color: rgba(99, 102, 241, 0.55);
    color: #4338ca;
}
.dark .aichat-login-btn {
    border-color: rgba(129, 140, 248, 0.35);
    background: rgba(129, 140, 248, 0.1);
    color: #a5b4fc;
}
.dark .aichat-login-btn:hover {
    background: rgba(129, 140, 248, 0.2);
    border-color: rgba(129, 140, 248, 0.55);
    color: #c7d2fe;
}

/* Auth provider buttons in modal */
.aichat-auth-provider-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.65rem;
    width: 100%;
    min-height: 3rem;
    padding: 0.65rem 1rem;
    border-radius: 0.875rem;
    font-size: 0.875rem;
    font-weight: 600;
    border: 1px solid rgba(229, 231, 235, 0.95);
    background: rgba(255, 255, 255, 0.96);
    color: #374151;
    transition: all 0.18s ease;
    cursor: pointer;
    text-decoration: none;
}
.aichat-auth-provider-btn:hover {
    background: #f9fafb;
    border-color: #d1d5db;
    box-shadow: 0 2px 8px rgba(15, 23, 42, 0.08);
}
.dark .aichat-auth-provider-btn {
    border-color: rgba(75, 85, 99, 0.85);
    background: rgba(31, 41, 55, 0.96);
    color: #e5e7eb;
}
.dark .aichat-auth-provider-btn:hover {
    background: rgba(55, 65, 81, 0.96);
    border-color: rgba(107, 114, 128, 0.85);
}
.aichat-auth-provider-btn--telegram {
    color: #0088cc;
    border-color: rgba(0, 136, 204, 0.3);
    background: rgba(0, 136, 204, 0.06);
}
.aichat-auth-provider-btn--telegram:hover {
    background: rgba(0, 136, 204, 0.12);
    border-color: rgba(0, 136, 204, 0.5);
}
.dark .aichat-auth-provider-btn--telegram {
    color: #38bdf8;
    border-color: rgba(56, 189, 248, 0.3);
    background: rgba(56, 189, 248, 0.08);
}
.dark .aichat-auth-provider-btn--telegram:hover {
    background: rgba(56, 189, 248, 0.16);
}
.aichat-auth-provider-btn--google {
    gap: 0.5rem;
}
.aichat-auth-provider-btn--yandex {
    background: rgba(200, 120, 106, 0.08);
    border-color: rgba(200, 120, 106, 0.3);
    color: #c8786a;
}
.aichat-auth-provider-btn--yandex:hover {
    background: rgba(200, 120, 106, 0.16);
    border-color: rgba(200, 120, 106, 0.5);
}
.dark .aichat-auth-provider-btn--yandex {
    color: #f0a89e;
    border-color: rgba(240, 168, 158, 0.3);
    background: rgba(240, 168, 158, 0.08);
}
.dark .aichat-auth-provider-btn--yandex:hover {
    background: rgba(240, 168, 158, 0.16);
}

.dark .aichat-header-link--exit {
    color: #6ee7b7;
    background: rgba(6, 95, 70, 0.22);
}

.dark .aichat-header-link--exit:hover {
    color: #a7f3d0;
    background: rgba(6, 95, 70, 0.36);
}

.aichat-balance-pill {
    min-height: 34px;
    padding: 0.4rem 0.7rem;
    border-radius: 9999px;
    background: #f3f4f6;
    color: #0f766e;
    font-size: 0.76rem;
    font-weight: 740;
    white-space: nowrap;
}

.aichat-balance-pill:hover {
    background: #e5e7eb;
}

.dark .aichat-balance-pill {
    background: #1f2937;
    color: #5eead4;
}

.dark .aichat-balance-pill:hover {
    background: #374151;
}

.aichat-avatar-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    flex: 0 0 36px;
    overflow: hidden;
    border-radius: 9999px;
    background: linear-gradient(135deg, #111827, #4b5563);
    color: #ffffff;
    font-size: 0.8rem;
    font-weight: 750;
}

.aichat-profile-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    min-width: 0;
    max-width: min(52vw, 20rem);
    padding: 0.35rem 0.65rem 0.35rem 0.4rem;
    border-radius: 9999px;
    border: 1px solid #e5e7eb;
    background: rgba(255, 255, 255, 0.92);
    color: #1f2937;
}

.dark .aichat-profile-pill {
    border-color: rgba(255,255,255,0.1);
    background: rgba(31, 41, 55, 0.92);
    color: #f3f4f6;
}

.aichat-profile-pill__avatar {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.8rem;
    height: 1.8rem;
    border-radius: 9999px;
    background: linear-gradient(135deg, #111827, #4b5563);
    color: #ffffff;
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    flex: 0 0 1.8rem;
}

.dark .aichat-profile-pill__avatar {
    background: linear-gradient(135deg, #e5e7eb, #94a3b8);
    color: #111827;
}

.aichat-profile-pill__name {
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-size: 0.75rem;
    font-weight: 600;
}

.aichat-profile-pill__balance {
    font-size: 0.72rem;
    font-weight: 700;
    color: #0f766e;
}

.dark .aichat-profile-pill__balance {
    color: #5eead4;
}

.aichat-discussion-feed {
    position: relative;
}

.aichat-discussion-feed::before {
    content: '';
    position: absolute;
    top: 2.75rem;
    bottom: 8rem;
    left: 0.9rem;
    width: 1px;
    background: linear-gradient(180deg, rgba(209, 213, 219, 0.8), rgba(209, 213, 219, 0));
}

.dark .aichat-discussion-feed::before {
    background: linear-gradient(180deg, rgba(75, 85, 99, 0.9), rgba(75, 85, 99, 0));
}

.aichat-discussion-card {
    position: relative;
    box-shadow: 0 10px 24px rgba(15, 23, 42, 0.04);
}

.aichat-discussion-card::before {
    content: '';
    position: absolute;
    left: -0.15rem;
    top: 1.35rem;
    width: 0.65rem;
    height: 0.65rem;
    border-radius: 9999px;
    background: #111827;
    box-shadow: 0 0 0 4px rgba(255, 255, 255, 0.9);
}

.dark .aichat-discussion-card::before {
    background: #e5e7eb;
    box-shadow: 0 0 0 4px rgba(31, 41, 55, 0.95);
}

.aichat-home-timeline {
    position: relative;
    flex: 0 0 auto;
    max-width: min(94vw, 74rem);
    min-height: 0;
    opacity: var(--aichat-home-timeline-opacity, 0.6);
    transform: none;
    overflow-anchor: auto;
    transition: opacity 300ms ease;
    will-change: opacity;
}

/* Hide the history for the whole bootstrap window so the very first hydrated
   paint cannot flash the not-yet-centered timeline. The settle then releases
   the shell and fades the history in through the reveal class below. */
.aichat-scroll-shell--bootstrap .aichat-home-timeline {
    opacity: 0;
    transition: none;
}

/* The first paint after bootstrap holds the freshly hydrated history at zero
   opacity so the landing scroll write cannot be seen as a jerk; dropping this
   class lets the base opacity transition fade it in to the resting value. */
.aichat-home-timeline--reveal {
    opacity: 0 !important;
    transition: none !important;
}

.aichat-home-timeline--reserved {
    min-height: var(--aichat-home-timeline-reserved-height, 0px);
    justify-content: flex-end;
}

.aichat-home-timeline__item {
    content-visibility: visible;
    animation: none;
    transform: none;
}

.aichat-scroll-shell {
    --aichat-home-composer-footprint: 9rem;
    --aichat-home-timeline-composer-gap: 40px;
    --aichat-home-timeline-landing-gap: 56px;
    display: flex;
    flex-direction: column;
    scrollbar-gutter: stable both-edges;
    scroll-behavior: auto;
    transition: none;
}

.aichat-scroll-shell--landing {
    overflow-anchor: none;
    padding-top: 0 !important;
    padding-bottom: 0 !important;
    scrollbar-width: none;
}

/* Native scroll anchoring is required only while the home history is being
   paginated upward. Keeping it off during the bootstrap/landing settle avoids
   the browser re-anchoring the still-hydrating timeline and jerking the input. */
.aichat-scroll-shell--landing:not(.aichat-scroll-shell--bootstrap) {
    overflow-anchor: auto;
}

.aichat-scroll-shell--landing::-webkit-scrollbar {
    display: none;
}

.aichat-scroll-shell--composer-fixed .aichat-home-timeline:not(.aichat-home-timeline--empty) {
    margin-bottom: var(--aichat-home-timeline-composer-gap);
}

.aichat-scroll-shell--composer-fixed .aichat-home-timeline {
    opacity: 1;
}

.aichat-home-timeline--collapsed {
    max-height: none;
    overflow: visible;
    padding-bottom: var(--aichat-home-gap, 12px);
    filter: none;
    pointer-events: auto;
    -webkit-mask-image: linear-gradient(to bottom, transparent 0, #000 14px, #000 calc(100% - 8px), rgba(0, 0, 0, 0.72) 100%);
    mask-image: linear-gradient(to bottom, transparent 0, #000 14px, #000 calc(100% - 8px), rgba(0, 0, 0, 0.72) 100%);
}

@media (max-width: 639px) {
    .aichat-home-timeline {
        max-width: min(94vw, 36rem);
    }
}

.aichat-home-timeline--collapsed .aichat-home-timeline__item {
    transform: translateY(0);
}

.aichat-home-timeline--collapsed .message-bubble,
.aichat-home-timeline--collapsed .aichat-timeline-divider__label {
    box-shadow: none;
}

.aichat-home-timeline--expanded {
    max-height: none;
    max-width: min(94vw, 74rem);
    overflow: visible;
    padding-bottom: var(--aichat-home-gap, 10px);
    opacity: 1;
    transform: none;
    filter: none;
}

.aichat-home-timeline--empty {
    padding-top: 0;
    padding-bottom: 0;
}

.aichat-home-composer-center-spacer {
    height: auto;
    flex: 1 0 var(--aichat-home-composer-spacer-height, 0px);
    overflow-anchor: none;
    transition: none;
}

.aichat-home-composer-center-spacer--no-transition {
    transition: none !important;
}

.aichat-home-timeline--initializing .aichat-home-timeline__item {
    animation: none !important;
    transform: none !important;
}

.aichat-home-composer-bottom-spacer {
    height: auto;
    flex: 1 0 0;
    overflow-anchor: none;
}

.aichat-home-composer-bottom-spacer--reserved {
    height: var(--aichat-home-composer-bottom-spacer-height, 0px);
    min-height: var(--aichat-home-composer-bottom-spacer-height, 0px);
    flex: 0 0 var(--aichat-home-composer-bottom-spacer-height, 0px);
}

.aichat-composer--no-motion {
    transition: none !important;
}

.aichat-timeline-divider {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin: 0.35rem 0 0.15rem;
    color: #6b7280;
}

.aichat-timeline-divider::before,
.aichat-timeline-divider::after {
    content: '';
    flex: 1 1 auto;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(156, 163, 175, 0.5));
}

.aichat-timeline-divider::after {
    background: linear-gradient(90deg, rgba(156, 163, 175, 0.5), transparent);
}

.aichat-timeline-divider__label {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    max-width: min(72vw, 34rem);
    padding: 0.35rem 0.65rem;
    border-radius: 9999px;
    background: #f9fafb;
    color: #4b5563;
    font-size: 0.72rem;
    font-weight: 640;
}

.dark .aichat-timeline-divider__label {
    background: #1f2937;
    color: #d1d5db;
}

.aichat-timeline-divider__title {
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.aichat-timeline-divider__date {
    flex: 0 0 auto;
    color: #9ca3af;
    font-weight: 540;
}

.aichat-dialog-titlebar {
    position: relative;
    z-index: 24;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    min-height: 46px;
    padding: 0.35rem 1rem;
    border-bottom: 1px solid #e5e7eb;
    background: rgba(255, 255, 255, 0.96);
}

.dark .aichat-dialog-titlebar {
    border-color: rgba(255, 255, 255, 0.1);
    background: rgba(31, 41, 55, 0.96);
}

.aichat-dialog-title {
    min-width: 0;
    flex: 1 1 auto;
    overflow: hidden;
    color: #374151;
    font-size: 0.82rem;
    font-weight: 650;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.dark .aichat-dialog-title {
    color: #e5e7eb;
}

.aichat-dialog-actions {
    display: inline-flex;
    align-items: center;
    gap: 0.2rem;
    flex: 0 0 auto;
}

.aichat-dialog-actions--desktop {
    opacity: 0;
    pointer-events: none;
    transition: opacity 120ms ease;
}

.aichat-dialog-titlebar:hover .aichat-dialog-actions--desktop,
.aichat-dialog-titlebar:focus-within .aichat-dialog-actions--desktop,
.aichat-timeline-divider:hover .aichat-dialog-actions--desktop,
.aichat-timeline-divider:focus-within .aichat-dialog-actions--desktop {
    opacity: 1;
    pointer-events: auto;
}

.aichat-dialog-action {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    flex: 0 0 34px;
    border-radius: 9999px;
    color: #6b7280;
}

.aichat-dialog-action:hover,
.aichat-dialog-action:focus-visible {
    color: #111827;
    background: #f3f4f6;
}

.aichat-dialog-action--delete:hover,
.aichat-dialog-action--delete:focus-visible,
.aichat-dialog-action--confirm {
    color: #dc2626;
    background: #fef2f2;
}

.dark .aichat-dialog-action {
    color: #9ca3af;
}

.dark .aichat-dialog-action:hover,
.dark .aichat-dialog-action:focus-visible {
    color: #ffffff;
    background: #374151;
}

.dark .aichat-dialog-action--delete:hover,
.dark .aichat-dialog-action--delete:focus-visible,
.dark .aichat-dialog-action--confirm {
    color: #fca5a5;
    background: rgba(127, 29, 29, 0.35);
}

.aichat-dialog-overflow {
    position: relative;
    display: none;
    flex: 0 0 auto;
}

.aichat-dialog-overflow-menu {
    position: absolute;
    top: calc(100% + 0.3rem);
    right: 0;
    z-index: 95;
    min-width: 11.5rem;
    padding: 0.35rem;
    border: 1px solid #e5e7eb;
    border-radius: 0.8rem;
    background: #ffffff;
    box-shadow: 0 16px 40px rgba(15, 23, 42, 0.18);
}

.aichat-dialog-overflow-menu button {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    width: 100%;
    min-height: 44px;
    padding: 0.55rem 0.7rem;
    border-radius: 0.6rem;
    color: #374151;
    font-size: 0.8rem;
    font-weight: 620;
    text-align: left;
}

.aichat-dialog-overflow-menu button:hover,
.aichat-dialog-overflow-menu button:focus-visible {
    background: #f3f4f6;
}

.aichat-dialog-overflow-menu .aichat-dialog-overflow-menu__delete {
    color: #dc2626;
}

.dark .aichat-dialog-overflow-menu {
    border-color: #4b5563;
    background: #1f2937;
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.38);
}

.dark .aichat-dialog-overflow-menu button {
    color: #e5e7eb;
}

.dark .aichat-dialog-overflow-menu button:hover,
.dark .aichat-dialog-overflow-menu button:focus-visible {
    background: #374151;
}

.dark .aichat-dialog-overflow-menu .aichat-dialog-overflow-menu__delete {
    color: #fca5a5;
}

@media (max-width: 767px) {
    .aichat-dialog-actions--desktop {
        display: none;
    }

    .aichat-dialog-overflow {
        display: block;
    }

    .aichat-dialog-overflow > .aichat-dialog-action {
        width: 44px;
        height: 44px;
        flex-basis: 44px;
    }

    .aichat-header-action[data-tooltip]::after {
        display: none;
    }
}

@media (max-width: 639px) {
    .aichat-shell-header {
        gap: 0.25rem;
    }

    .aichat-shell-header .aichat-balance-pill {
        display: none;
    }

    .aichat-shell-header .aichat-profile-pill {
        gap: 0;
        padding: 0.2rem;
    }
}

@media (max-width: 359px) {
    .aichat-shell-header {
        padding-left: 0.5rem;
        padding-right: 0.5rem;
    }

    .aichat-brand {
        font-size: 0.9rem;
    }

    .aichat-header-actions {
        gap: 0;
    }
}

.aichat-icon-button {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    flex: 0 0 38px;
    border-radius: 9999px;
    color: #4b5563;
    border: 1px solid transparent;
}

.aichat-icon-button:hover {
    color: #111827;
    background: #f3f4f6;
    border-color: #e5e7eb;
}

@media (max-width: 479px) {
    .aichat-shell-header .aichat-mobile-toolbar-overflow {
        display: none;
    }
}

.aichat-modal-overlay {
    backdrop-filter: blur(4px);
}

.aichat-modal-card {
    box-shadow: 0 24px 72px rgba(15, 23, 42, 0.22);
    will-change: transform, opacity;
}

.dark .aichat-modal-card {
    box-shadow: 0 24px 72px rgba(0, 0, 0, 0.45);
}

.dark .aichat-icon-button {
    color: #d1d5db;
}

.dark .aichat-icon-button:hover {
    color: #ffffff;
    background: #374151;
    border-color: rgba(255,255,255,0.12);
}

.message-bubble {
    animation: slideIn 0.3s ease-out;
    max-width: 100%;
    min-width: 0;
}

/* A message that was already visible in the streaming bubble must not re-enter
   with the slideIn fade when it is finalized: that showed as the answer
   disappearing and fading back in right before the cost/provider footer. */
.message-bubble--no-anim {
    animation: none !important;
}

.message-bubble--user {
    max-width: min(82%, 44rem);
}

.message-bubble--assistant {
    width: 100%;
    max-width: 100%;
    background: transparent;
    box-shadow: none;
}

/* ICHAT-EMPTY-REPLY-MINIMAL-20261026: a failed turn answers with the single-word marker
   («Ошибка»), and the bubble is painted in the error tone so one word reads as a failure,
   not as a model answer. Defined after --assistant so the cascade wins over its
   transparent background (tailwind.css loads before this file). */
.message-bubble--error {
    width: auto !important;
    max-width: min(82%, 44rem);
    border: 1px solid rgba(252, 165, 165, 0.8);
    background: rgba(254, 242, 242, 0.65);
    color: #b91c1c;
}

.message-bubble--error .message-markdown,
.message-bubble--error .message-markdown p {
    color: #b91c1c;
}

.dark .message-bubble--error {
    border-color: rgba(185, 28, 28, 0.55);
    background: rgba(69, 10, 10, 0.35);
}

.dark .message-bubble--error .message-markdown,
.dark .message-bubble--error .message-markdown p {
    color: #fca5a5;
}

.chat-message-list {
    max-width: min(100%, 48rem);
    transition: max-width 420ms cubic-bezier(0.22, 1, 0.36, 1);
}

.aichat-home-timeline.chat-message-list {
    max-width: min(94vw, 74rem);
    transition: opacity 220ms ease;
}

@media (max-width: 639px) {
    .aichat-home-timeline.chat-message-list {
        max-width: min(94vw, 36rem);
    }
}

.aichat-home-timeline .message-bubble {
    animation: none;
    transform: none;
    transition:
        background-color 180ms ease,
        box-shadow 180ms ease;
}

.aichat-home-timeline__loading-spacer {
    min-height: 0;
    height: 0;
    padding: 0;
    margin: 0;
    overflow: hidden;
}

.aichat-home-timeline__top-loader {
    position: sticky;
    top: 12px;
    z-index: 3;
    height: 0;
    margin-bottom: -1.25rem;
    overflow: visible;
    pointer-events: none;
}

.aichat-home-timeline__top-loader > span {
    transform: translateY(-0.5rem);
}

/* Base state: normal flow element. Fixed/pinned only via .aichat-input-area--bottom-fixed. */
#chat-input-area {
    position: relative;
    flex: 0 0 auto;
    bottom: auto;
    padding-bottom: 5px;
    z-index: 20;
    overflow-anchor: none;
    transform: none;
    opacity: 1;
    visibility: visible;
    transition: transform 260ms cubic-bezier(0.22, 0.61, 0.36, 1),
        opacity 160ms ease,
        background-color 180ms ease,
        border-color 180ms ease;
}

/* The dock handoff runs as a FLIP animation; when motion is paused or the
   element is re-anchored the transform must settle instantly. */
#chat-input-area.aichat-composer--dock-no-motion {
    transition: background-color 180ms ease, border-color 180ms ease !important;
}

/* Reserve the hydrated landing controls from the first SSR paint. Equal flex
   spacers then keep this complete footprint centered as Alpine attaches. */
#chat-input-area.aichat-input-area--bootstrap-centered:not(.aichat-input-area--bottom-fixed) #chat-composer-shell {
    min-height: 9rem;
}

/* Home history stays in normal document flow. Native scrolling moves the composer
   from its centered landing position until CSS sticky owns the bottom dock. */
#chat-input-area.aichat-input-area--home-sticky {
    position: sticky;
    left: auto;
    right: auto;
    top: auto;
    bottom: calc(var(--aichat-composer-fixed-bottom, max(4px, env(safe-area-inset-bottom))) - var(--aichat-composer-bottom-tail, 0px));
    transform: none;
    padding-bottom: 0;
    z-index: 45;
}

/* SSR and Alpine bootstrap share one explicit landing target. This pin remains
   until page-zero DOM settles, then the same one-shot settle path releases it
   into the equivalent centered flex geometry. */
#chat-input-area.aichat-input-area--bootstrap-centered {
    position: fixed;
    left: var(--aichat-composer-fixed-left, max(1rem, env(safe-area-inset-left)));
    right: var(--aichat-composer-fixed-right, max(1rem, env(safe-area-inset-right)));
    top: calc(58px + ((100dvh - 58px) / 2));
    bottom: auto;
    margin-top: 0 !important;
    padding-bottom: 0;
    transform: translateY(calc(var(--aichat-home-composer-footprint, 9rem) / -2));
    z-index: 46;
}

#chat-input-area.aichat-input-area--bootstrap-centered:not(.aichat-input-area--bottom-fixed) {
    min-height: 9rem;
}

@media (max-width: 639px) {
    .aichat-scroll-shell {
        --aichat-home-composer-footprint: 19.5rem;
    }

    #chat-input-area.aichat-input-area--bootstrap-centered:not(.aichat-input-area--bottom-fixed),
    #chat-input-area.aichat-input-area--bootstrap-centered:not(.aichat-input-area--bottom-fixed) #chat-composer-shell {
        min-height: 19.5rem !important;
    }
}

/* Track mode: composer moves center→bottom via CSS transform driven by scroll progress.
   position remains relative (normal flow), no fixed/absolute/sticky. */
#chat-input-area.aichat-input-area--track {
    position: relative;
    bottom: auto;
    transform: translate3d(0, var(--aichat-home-composer-track-y, 0px), 0);
    transition: background-color 180ms ease, border-color 180ms ease;
    will-change: transform;
    z-index: 20;
}

.aichat-scroll-shell--landing #chat-input-area:not(.aichat-input-area--bottom-fixed) {
    margin-top: var(--aichat-home-timeline-landing-gap, 56px);
}

.aichat-scroll-shell--composer-fixed {
    padding-bottom: var(--aichat-input-bottom-padding, 8rem) !important;
}

#chat-input-area.aichat-input-area--bottom-fixed {
    position: fixed;
    left: var(--aichat-composer-fixed-left, max(1rem, env(safe-area-inset-left)));
    right: var(--aichat-composer-fixed-right, max(1rem, env(safe-area-inset-right)));
    top: auto;
    bottom: var(--aichat-composer-fixed-bottom, max(4px, env(safe-area-inset-bottom)));
    transform: none;
    margin-top: 0 !important;
    padding-bottom: 0;
    z-index: 45;
    background: transparent !important;
    border-color: transparent !important;
    overflow: visible;
    pointer-events: none;
}

#chat-input-area.aichat-input-area--bottom-fixed #chat-composer-shell {
    display: flex;
    flex-direction: column;
    max-width: min(100%, 48rem);
    margin-left: auto;
    margin-right: auto;
    pointer-events: auto;
}

.chat-input-container {
    border: 1px solid rgba(209, 213, 219, 0.72);
    box-shadow: 0 2px 8px rgba(15, 23, 42, 0);
    transition: background-color 180ms ease, border-color 180ms ease, box-shadow 220ms ease;
}

#chat-input-area.aichat-input-area--home-sticky .chat-input-container,
#chat-input-area.aichat-input-area--bottom-fixed .chat-input-container,
#chat-input-area.aichat-input-area--home-sticky .chat-input-container:focus-within,
#chat-input-area.aichat-input-area--bottom-fixed .chat-input-container:focus-within {
    background: #f3f4f6 !important;
    border-color: rgba(209, 213, 219, 0.72) !important;
}

#chat-input-area.aichat-input-area--bottom-fixed .chat-input-container,
#chat-input-area.aichat-input-area--bottom-fixed .chat-input-container:focus-within {
    box-shadow: 0 2px 8px rgba(15, 23, 42, 0.05) !important;
}

#chat-input-area.aichat-input-area--bottom-fixed .aichat-home-composer-bottom-spacer {
    display: none !important;
}

#chat-input-area.aichat-input-area--bottom-fixed .aichat-demo-examples {
    display: none !important;
}

.dark #chat-input-area.aichat-input-area--home-sticky .chat-input-container,
.dark #chat-input-area.aichat-input-area--bottom-fixed .chat-input-container,
.dark #chat-input-area.aichat-input-area--home-sticky .chat-input-container:focus-within,
.dark #chat-input-area.aichat-input-area--bottom-fixed .chat-input-container:focus-within {
    background: #212121 !important;
    border-color: rgba(75, 85, 99, 0.72) !important;
}

.dark #chat-input-area.aichat-input-area--bottom-fixed .chat-input-container,
.dark #chat-input-area.aichat-input-area--bottom-fixed .chat-input-container:focus-within {
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.12) !important;
}

#chat-composer-shell {
    transition: opacity 180ms ease, filter 180ms ease;
}

.aichat-demo-examples {
    min-height: 2.75rem;
    margin-top: 0.75rem !important;
    margin-bottom: 0;
    transition: opacity 220ms ease, transform 220ms cubic-bezier(0.22, 1, 0.36, 1);
    opacity: 1;
    transform: translateY(0);
    transform-origin: top center;
}

.aichat-demo-examples > button {
    opacity: 0.7;
    transition: opacity 180ms ease-out, transform 180ms cubic-bezier(0.22, 1, 0.36, 1), border-color 180ms ease, background-color 180ms ease, box-shadow 180ms ease;
    transform: translateY(0);
}

.aichat-demo-examples > button:hover {
    opacity: 1;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.dark .aichat-demo-examples > button:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.24);
}

.chat-message-list--wide {
    max-width: min(96vw, 88rem);
}

.message-bubble--wide {
    width: 100%;
    max-width: 100%;
}

.message-markdown {
    min-width: 0;
}

/* Send button rotation */
.send-btn svg { transform: rotate(90deg); }

/* Remove focus outline from input */
.chat-input:focus { outline: none !important; box-shadow: none !important; border-color: transparent !important; }
/* Hide scrollbar and arrows in textarea */
.chat-input {
    scrollbar-width: none;
    -ms-overflow-style: none;
    height: 24px;
    min-height: 24px;
    max-height: 192px;
    overflow-y: hidden;
    line-height: 24px;
    padding-top: 0;
    padding-bottom: 0;
}
.chat-input::-webkit-scrollbar { display: none; }
.chat-input::-webkit-inner-spin-button, .chat-input::-webkit-outer-spin-button { -webkit-appearance: none; margin: 0; }

/* Hide scrollbar utility (for consciousness tabs on mobile) */
.scrollbar-hide { -ms-overflow-style: none; scrollbar-width: none; }
.scrollbar-hide::-webkit-scrollbar { display: none; }

/* Mobile: raise input area 5px, safe-area bottom padding, and handle keyboard */
@media (max-width: 767px) {
    #chat-input-area {
        margin-bottom: -5px;
        padding-bottom: max(1rem, env(safe-area-inset-bottom));
    }
    #chat-input-area .chat-input {
        /* Ensure input stays visible when keyboard appears */
        position: relative;
        z-index: 1;
    }

    .aichat-scroll-shell--composer-fixed {
        padding-bottom: calc(var(--aichat-input-bottom-padding, 8rem) + env(safe-area-inset-bottom)) !important;
    }

    #chat-input-area.aichat-input-area--bottom-fixed {
        bottom: var(--aichat-composer-fixed-bottom, max(4px, env(safe-area-inset-bottom)));
        margin-bottom: 0;
        padding-bottom: 0;
    }
}

/* ====================================================================
   PHONE MODAL LAYOUT (≤640px)
   Compact padding, safe-area, full-width modals
   ==================================================================== */
@media (max-width: 640px) {
    /* Consciousness tabs: whitespace-nowrap for horizontal scroll */
    .scrollbar-hide > button { white-space: nowrap; flex-shrink: 0; }

    /* Details sections: tighter padding on mobile */
    details .px-4 { padding-left: 0.75rem; padding-right: 0.75rem; }
    details summary.px-4 { padding-left: 0.75rem; padding-right: 0.75rem; }
}

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

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

@media (prefers-reduced-motion: reduce) {
    .aichat-home-timeline__item {
        animation: none;
    }
}

/* AI Speaking Animation */
@keyframes aiSpeaking {
    0%, 100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.7); }
    50% { transform: scale(1.1); box-shadow: 0 0 0 10px rgba(34, 197, 94, 0); }
}
.ai-speaking {
    animation: aiSpeaking 1.5s ease-in-out infinite;
}

/* === Reasoning Stream Animation === */
@keyframes reasoningPulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(168, 85, 247, 0.5); }
    50% { box-shadow: 0 0 0 8px rgba(168, 85, 247, 0); }
}
.reasoning-pulse {
    animation: reasoningPulse 2s ease-in-out infinite;
}

@keyframes reasoningSpin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}
.reasoning-spin {
    animation: reasoningSpin 3s linear infinite;
}

.reasoning-stream-block {
    animation: slideIn 0.3s ease-out;
    background: linear-gradient(135deg, rgba(168,85,247,0.03), rgba(139,92,246,0.06));
    border-radius: 0.5rem;
    padding: 0.5rem 0.75rem;
}
.dark .reasoning-stream-block {
    background: linear-gradient(135deg, rgba(168,85,247,0.08), rgba(139,92,246,0.12));
}

@keyframes reasoningDots {
    0%, 20% { opacity: 0; }
    40% { opacity: 1; }
    60% { opacity: 0; }
}
.reasoning-dots span {
    animation: reasoningDots 1.4s infinite;
    font-weight: bold;
}
.reasoning-dots span:nth-child(2) { animation-delay: 0.2s; }
.reasoning-dots span:nth-child(3) { animation-delay: 0.4s; }

/* Minimal "thinking" loader shown at the answer slot before the first token.
   Deliberately quiet: three soft dots plus a short muted label, no card. */
.ichat-thinking {
    color: #6b7280;
}
.ichat-thinking__dots {
    display: inline-flex;
    align-items: center;
    gap: 3px;
}
.ichat-thinking__dots > span {
    width: 6px;
    height: 6px;
    border-radius: 9999px;
    background: currentColor;
    opacity: 0.3;
    animation: ichatThinkingDot 1.2s ease-in-out infinite;
}
.ichat-thinking__dots > span:nth-child(2) { animation-delay: 0.15s; }
.ichat-thinking__dots > span:nth-child(3) { animation-delay: 0.3s; }
.ichat-thinking__label {
    font-size: 13px;
    font-weight: 500;
}
@keyframes ichatThinkingDot {
    0%, 100% { opacity: 0.25; transform: translateY(0); }
    40% { opacity: 1; transform: translateY(-1px); }
}
.dark .ichat-thinking {
    color: #9ca3af;
}
@media (prefers-reduced-motion: reduce) {
    .ichat-thinking__dots > span {
        animation: none;
        opacity: 0.6;
    }
}

/* === Deep Research Live Status === */
@keyframes researchStepPulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.15); }
}
.research-step-active {
    animation: researchStepPulse 1.5s ease-in-out infinite;
}

/* Typing Dots Animation - Hypnotic Wave Effect */
@keyframes typingDotWave {
    0%, 60%, 100% {
        transform: translateY(0) scale(1);
        opacity: 0.6;
    }
    30% {
        transform: translateY(-8px) scale(1.2);
        opacity: 1;
    }
}

@keyframes typingDotGlow {
    0%, 100% {
        filter: brightness(1) drop-shadow(0 0 2px currentColor);
    }
    50% {
        filter: brightness(1.4) drop-shadow(0 0 8px currentColor);
    }
}

.typing-dot {
    display: inline-block;
    font-size: 1.2rem;
    margin: 0 2px;
    color: #10b981; /* green-500 */
    animation: typingDotWave 1.4s ease-in-out infinite, typingDotGlow 2s ease-in-out infinite;
    transform-origin: center;
    transition: all 0.3s ease;
}

.dark .typing-dot {
    color: #34d399; /* green-400 */
}

.typing-dot:nth-child(1) {
    animation-delay: 0s, 0s;
}

.typing-dot:nth-child(2) {
    animation-delay: 0.2s, 0.3s;
}

.typing-dot:nth-child(3) {
    animation-delay: 0.4s, 0.6s;
}

/* Enhanced Loading Avatar Pulse */
@keyframes loadingAvatarPulse {
    0%, 100% {
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
    }
    25% {
        transform: scale(1.05);
        box-shadow: 0 0 0 8px rgba(16, 185, 129, 0);
    }
    50% {
        transform: scale(1.1);
        box-shadow: 0 0 0 12px rgba(16, 185, 129, 0);
    }
    75% {
        transform: scale(1.05);
        box-shadow: 0 0 0 8px rgba(16, 185, 129, 0);
    }
}

.animate-pulse:has(svg) {
    animation: loadingAvatarPulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

@keyframes loadingPlanAvatarPulse {
    0%, 100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(139, 92, 246, 0.35); }
    50% { transform: scale(1.08); box-shadow: 0 0 0 12px rgba(139, 92, 246, 0); }
}

.loading-plan-avatar {
    animation: loadingPlanAvatarPulse 1.8s ease-in-out infinite;
}

@keyframes loadingPlanStepPulse {
    0%, 100% { transform: translateX(0); box-shadow: 0 0 0 0 rgba(139, 92, 246, 0.18); }
    50% { transform: translateX(2px); box-shadow: 0 0 0 8px rgba(139, 92, 246, 0); }
}

@keyframes loadingPlanDot {
    0%, 100% { transform: scale(0.9); opacity: 0.65; }
    50% { transform: scale(1.18); opacity: 1; }
}

.loading-plan-card {
    display: flex;
    flex-direction: column;
    gap: 0.875rem;
    min-width: min(100%, 24rem);
    padding: 0.9rem 1rem;
    border-radius: 1rem;
    border: 1px solid rgba(139, 92, 246, 0.16);
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.08), rgba(59, 130, 246, 0.05));
    box-shadow: 0 14px 32px rgba(15, 23, 42, 0.08);
}

.dark .loading-plan-card {
    border-color: rgba(167, 139, 250, 0.22);
    background: linear-gradient(135deg, rgba(91, 33, 182, 0.28), rgba(30, 41, 59, 0.72));
    box-shadow: 0 18px 40px rgba(2, 6, 23, 0.35);
}

.loading-plan-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 0.75rem;
}

.loading-plan-header__title {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
    min-width: 0;
}

.loading-plan-header__label {
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: #7c3aed;
}

.dark .loading-plan-header__label {
    color: #c4b5fd;
}

.loading-plan-header__active {
    font-size: 0.92rem;
    font-weight: 600;
    line-height: 1.35;
    color: #1f2937;
}

.dark .loading-plan-header__active {
    color: #f5f3ff;
}

.loading-plan-header__eta {
    flex-shrink: 0;
    font-size: 0.72rem;
    font-weight: 600;
    color: #6366f1;
}

.dark .loading-plan-header__eta {
    color: #c7d2fe;
}

.loading-plan-list {
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
}

.loading-plan-step {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    padding: 0.55rem 0.7rem;
    border-radius: 0.85rem;
    transition: all 0.22s ease;
}

.loading-plan-step__marker {
    width: 1.4rem;
    height: 1.4rem;
    flex-shrink: 0;
    border-radius: 9999px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.loading-plan-step__dot {
    width: 0.5rem;
    height: 0.5rem;
    border-radius: 9999px;
    background: currentColor;
}

.loading-plan-step__text {
    min-width: 0;
    font-size: 0.84rem;
    line-height: 1.35;
}

.loading-plan-step--active {
    color: #6d28d9;
    background: rgba(255, 255, 255, 0.72);
    transform: translateX(2px);
    animation: loadingPlanStepPulse 1.8s ease-in-out infinite;
}

.dark .loading-plan-step--active {
    color: #ddd6fe;
    background: rgba(91, 33, 182, 0.28);
}

.loading-plan-step--active .loading-plan-step__marker {
    background: rgba(139, 92, 246, 0.16);
}

.loading-plan-step--active .loading-plan-step__dot {
    animation: loadingPlanDot 1.2s ease-in-out infinite;
}

.loading-plan-step--done {
    color: #047857;
    background: rgba(16, 185, 129, 0.08);
}

.dark .loading-plan-step--done {
    color: #6ee7b7;
    background: rgba(6, 95, 70, 0.28);
}

.loading-plan-step--done .loading-plan-step__marker {
    background: rgba(16, 185, 129, 0.14);
}

.loading-plan-step--pending {
    color: #6b7280;
    background: rgba(148, 163, 184, 0.1);
}

.dark .loading-plan-step--pending {
    color: #9ca3af;
    background: rgba(51, 65, 85, 0.4);
}

.loading-plan-step--pending .loading-plan-step__marker {
    background: rgba(148, 163, 184, 0.14);
}

/* Model Selector Styles */
.model-selector {
    position: relative;
    min-width: 180px;
}
.model-selector select {
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background: transparent;
    border: 1px solid transparent;
    border-radius: 0.75rem;
    padding: 0.5rem 2.5rem 0.5rem 1rem;
    font-weight: 500;
    font-size: 0.95rem;
    cursor: pointer;
    transition: all 0.2s ease;
}
.model-selector select:hover {
    background: rgba(0,0,0,0.05);
    border-radius: 0.75rem;
}
.dark .model-selector select:hover {
    background: rgba(255,255,255,0.1);
}
.model-selector select:focus {
    outline: none;
    border-color: #3b82f6;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
    border-radius: 0.75rem;
}
.model-selector select option {
    padding: 0.75rem 1rem;
    background: white;
    color: #1f2937;
    border-radius: 0.5rem;
    margin: 2px 4px;
}
.model-selector select option:hover {
    background: #f3f4f6;
}
.dark .model-selector select option {
    background: #1f2937;
    color: #e5e7eb;
}
.dark .model-selector select option:hover {
    background: #374151;
}

/* Recording Animation */
@keyframes pulse-record {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}
.recording-pulse {
    animation: pulse-record 1s ease-in-out infinite;
}

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

/* ==========================================================================
    PREMIUM DESIGN SYSTEM (AiChat Pro)
   ========================================================================== */

/* 1. Glassmorphism */
.glass-panel {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.5);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
}

.dark .glass-panel {
    background: rgba(31, 41, 55, 0.7); /* gray-800 with opacity */
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -1px rgba(0, 0, 0, 0.2);
}

.glass-header {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid rgba(229, 231, 235, 0.5);
    z-index: 40;
}

.dark .glass-header {
    background: rgba(17, 24, 39, 0.85);
    border-bottom: 1px solid rgba(55, 65, 81, 0.5);
}

/* 2.1 GPTun Generation Inputs — works in both standalone pages and inline mode */
.AiChat-field {
    padding: 0.75rem 1rem;
    outline: none !important;
    box-shadow: none !important;
}

.AiChat-field:focus {
    outline: none !important;
    box-shadow: none !important;
    border-color: transparent !important;
}

/* Legacy selector for standalone pages */
.librechat-form-page .AiChat-field {
    padding: 0.75rem 1rem;
    outline: none;
}

.librechat-form-page .AiChat-field:focus {
    outline: none !important;
}

/* 2. Premium Inputs */
.input-premium {
    background: rgba(255, 255, 255, 0.5);
    border: 1px solid rgba(209, 213, 219, 0.8);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
}

.dark .input-premium {
    background: rgba(31, 41, 55, 0.5);
    border: 1px solid rgba(75, 85, 99, 0.8);
    color: #f3f4f6;
}

.input-premium:focus {
    background: #ffffff;
    border-color: #6366f1;
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.15), 0 1px 2px rgba(0, 0, 0, 0.05);
}

.dark .input-premium:focus {
    background: #1f2937;
    border-color: #818cf8;
    box-shadow: 0 0 0 4px rgba(129, 140, 248, 0.15), 0 1px 2px rgba(0, 0, 0, 0.2);
}

/* 3. Gradient Text */
.text-gradient-primary {
    background: linear-gradient(135deg, #4f46e5 0%, #8b5cf6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.text-gradient-purple {
    background: linear-gradient(135deg, #c026d3 0%, #7c3aed 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.text-gradient-blue {
    background: linear-gradient(135deg, #2563eb 0%, #06b6d4 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.dark .text-gradient-primary {
    background: linear-gradient(135deg, #818cf8 0%, #c084fc 100%);
}

.dark .text-gradient-blue {
    background: linear-gradient(135deg, #60a5fa 0%, #22d3ee 100%);
}

/* 4. Animated Background Helpers */
.bg-animated-gradient {
    background: linear-gradient(-45deg, #ee7752, #e73c7e, #23a6d5, #23d5ab);
    background-size: 400% 400%;
    animation: gradientBG 15s ease infinite;
}

@keyframes gradientBG {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

/* 5. Better Scrollbars (Refined) */
.scrollbar-premium::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

.scrollbar-premium::-webkit-scrollbar-track {
    background: transparent;
}

.scrollbar-premium::-webkit-scrollbar-thumb {
    background-color: rgba(156, 163, 175, 0.3);
    border-radius: 4px;
    border: 2px solid transparent;
    background-clip: content-box;
    transition: background-color 0.2s;
}

.scrollbar-premium::-webkit-scrollbar-thumb:hover {
    background-color: rgba(107, 114, 128, 0.6);
}

.dark .scrollbar-premium::-webkit-scrollbar-thumb:hover {
    background-color: rgba(156, 163, 175, 0.5);
}

/* 6. Card Hover Effects */
.hover-card {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid transparent;
}

.hover-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

.dark .hover-card:hover {
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.5), 0 4px 6px -2px rgba(0, 0, 0, 0.3);
    border-color: rgba(255, 255, 255, 0.1);
}

/* Utility Animations */
@keyframes pulse-subtle {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.8; }
}

.animate-pulse-subtle {
    animation: pulse-subtle 3s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

.animate-float {
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
    100% { transform: translateY(0px); }
}

/* ==================== Enhanced Formatting Styles ==================== */

/* Prose enhancements for formatted output */
.prose h1, .prose h2, .prose h3 {
    margin-top: 1.2em;
    margin-bottom: 0.5em;
    font-weight: 700;
    line-height: 1.3;
}

.prose h2 {
    border-bottom: 1px solid rgba(156, 163, 175, 0.3);
    padding-bottom: 0.3em;
}

.prose blockquote {
    border-left: 4px solid #6366f1;
    background: rgba(99, 102, 241, 0.05);
    padding: 0.75rem 1rem;
    margin: 1rem 0;
    border-radius: 0 0.5rem 0.5rem 0;
}

.dark .prose blockquote {
    background: rgba(99, 102, 241, 0.1);
    border-left-color: #818cf8;
}

.prose hr {
    border-color: rgba(156, 163, 175, 0.3);
    margin: 1.5rem 0;
}

/* Chart container — тот же левый край, что у таблиц (.chat-table: width: fit-content).
   `margin: 1rem auto` центрировал график, из-за чего график и таблица в одном ответе
   разъезжались (A/B eval 2026-10-11, ICHAT-T400-023). */
.chart-container {
    max-width: 600px;
    margin: 1rem 0;
}

/* Generated image container */
.generated-image-container {
    max-width: 512px;
}

.generated-image-container img {
    max-height: 512px;
    object-fit: contain;
}

/* Mermaid diagrams */
.mermaid {
    background: transparent !important;
    text-align: center;
    margin: 1rem 0;
    padding: 1rem;
    border-radius: 0.75rem;
    border: 1px solid rgba(156, 163, 175, 0.2);
}

.dark .mermaid {
    background: rgba(17, 24, 39, 0.5) !important;
}

/* KaTeX formulas */
.katex-display {
    overflow-x: auto;
    overflow-y: hidden;
    padding: 0.5rem 0;
}

/* Enhanced table styles */
.table-scroll-wrapper {
    width: 100%;
    max-width: 100%;
    overflow-x: auto;
    overflow-y: hidden;
    -webkit-overflow-scrolling: touch;
    margin: 1rem 0;
    border-radius: 0.5rem;
    border: 1px solid rgba(156, 163, 175, 0.3);
    background: rgba(255, 255, 255, 0.92);
}

.dark .table-scroll-wrapper {
    background: rgba(17, 24, 39, 0.88);
}

.table-export-bar {
    display: flex;
    justify-content: flex-end;
    gap: 0.25rem;
    padding: 0.25rem 0.5rem;
    background: transparent;
    border-bottom: none;
}

.table-export-btn {
    font-size: 0.7rem;
    padding: 0.2rem 0.5rem;
    border-radius: 0.25rem;
    color: #6366f1;
    background: transparent;
    border: none;
    cursor: pointer;
    white-space: nowrap;
    transition: background 0.15s;
}

.table-export-btn:hover {
    background: rgba(99, 102, 241, 0.1);
}

.dark .table-export-btn {
    color: #a5b4fc;
}

.dark .table-export-btn:hover {
    background: rgba(99, 102, 241, 0.2);
}

/* GPTun media result cards */
.media-action-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.375rem;
    min-height: 2rem;
    padding: 0.375rem 0.75rem;
    border-radius: 0.5rem;
    border: 1px solid rgba(148, 163, 184, 0.5);
    background: rgba(255, 255, 255, 0.92);
    color: #334155;
    font-size: 0.75rem;
    font-weight: 600;
    line-height: 1.1;
    white-space: nowrap;
    cursor: pointer;
}

.dark .media-action-btn {
    background: rgba(15, 23, 42, 0.9);
    color: #e2e8f0;
    border-color: rgba(71, 85, 105, 0.9);
}

.media-action-btn:hover { border-color: rgba(59, 130, 246, 0.72); }
.media-action-btn--blue:hover { border-color: rgba(37, 99, 235, 0.78); }
.media-action-btn--emerald { background: #059669; color: #fff; border-color: #047857; }
.media-action-btn--emerald:hover { background: #047857; border-color: #065f46; }
.media-action-btn--amber { background: #fef3c7; color: #92400e; border-color: #fde68a; }
.media-action-btn--rose:hover { border-color: rgba(225, 29, 72, 0.72); }
.media-action-btn--violet:hover { border-color: rgba(124, 58, 237, 0.72); }

.media-icon-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    border-radius: 999px;
    border: 1px solid rgba(148, 163, 184, 0.5);
    background: rgba(255, 255, 255, 0.92);
    color: #334155;
    font-size: 0.9rem;
    font-weight: 700;
    line-height: 1;
    cursor: pointer;
    text-decoration: none;
}

.media-icon-btn:hover {
    border-color: rgba(37, 99, 235, 0.72);
    transform: translateY(-1px);
}

.media-icon-btn--amber {
    background: #fef3c7;
    color: #92400e;
    border-color: #fde68a;
}

.media-result-shell {
    overflow: hidden;
    border-radius: 1rem;
    border: 1px solid rgba(148, 163, 184, 0.3);
    background: rgba(248, 250, 252, 0.92);
    box-shadow: 0 8px 20px rgba(15, 23, 42, 0.08);
}

.dark .media-result-shell {
    background: rgba(15, 23, 42, 0.72);
    border-color: rgba(71, 85, 105, 0.7);
}

.media-result-shell__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    padding: 0.85rem 1rem 0.45rem;
}

.media-result-shell__title {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.8125rem;
    font-weight: 700;
    color: #0f172a;
}

.dark .media-result-shell__title {
    color: #f8fafc;
}

.media-result-shell__dot {
    width: 0.55rem;
    height: 0.55rem;
    border-radius: 999px;
    background: #64748b;
}

.media-result-shell__dot--amber { background: #d97706; }
.media-result-shell__dot--emerald { background: #059669; }
.media-result-shell__dot--rose { background: #e11d48; }
.media-result-shell__dot--violet { background: #7c3aed; }

.media-result-shell__actions {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
}

.media-result-shell__meta {
    padding: 0 1rem 0.75rem;
    color: #64748b;
    font-size: 0.75rem;
}

.dark .media-result-shell__meta {
    color: #94a3b8;
}

.media-result-shell--amber {
    border-color: rgba(245, 158, 11, 0.35);
    background: rgba(255, 251, 235, 0.95);
}

.dark .media-result-shell--amber {
    border-color: rgba(245, 158, 11, 0.45);
    background: rgba(120, 53, 15, 0.22);
}

.media-result-shell--emerald {
    border-color: rgba(16, 185, 129, 0.35);
    background: rgba(236, 253, 245, 0.95);
}

.dark .media-result-shell--emerald {
    border-color: rgba(16, 185, 129, 0.45);
    background: rgba(6, 78, 59, 0.22);
}

.media-result-shell--rose {
    border-color: rgba(244, 63, 94, 0.35);
    background: rgba(255, 241, 242, 0.95);
}

.dark .media-result-shell--rose {
    border-color: rgba(244, 63, 94, 0.45);
    background: rgba(136, 19, 55, 0.22);
}

.media-result-shell--violet {
    border-color: rgba(139, 92, 246, 0.35);
    background: rgba(245, 243, 255, 0.95);
}

.dark .media-result-shell--violet {
    border-color: rgba(139, 92, 246, 0.45);
    background: rgba(76, 29, 149, 0.22);
}

.media-image-stage {
    position: relative;
}

.media-image-stage .image-card-result {
    cursor: zoom-in;
}

.media-image-overlay {
    position: absolute;
    top: 0.65rem;
    right: 0.65rem;
    display: flex;
    gap: 0.35rem;
    opacity: 0;
    transform: translateY(-4px);
    pointer-events: none;
    transition: opacity 0.16s ease, transform 0.16s ease;
}

.media-image-stage:hover .media-image-overlay,
.media-image-stage:focus-within .media-image-overlay {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

.image-params-panel {
    background: linear-gradient(180deg, rgba(248, 250, 252, 0.95), rgba(241, 245, 249, 0.9));
}

.dark .image-params-panel {
    background: linear-gradient(180deg, rgba(15, 23, 42, 0.92), rgba(15, 23, 42, 0.82));
}

.media-tier-range {
    width: 100%;
    -webkit-appearance: none;
    appearance: none;
    height: 0.45rem;
    border-radius: 999px;
    background: linear-gradient(90deg, #60a5fa 0%, #a78bfa 55%, #f472b6 100%);
    cursor: pointer;
}

.media-tier-range::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 1.1rem;
    height: 1.1rem;
    border-radius: 50%;
    border: 2px solid #ffffff;
    background: #334155;
    box-shadow: 0 2px 8px rgba(15, 23, 42, 0.25);
}

.media-tier-range::-moz-range-thumb {
    width: 1.1rem;
    height: 1.1rem;
    border-radius: 50%;
    border: 2px solid #ffffff;
    background: #334155;
    box-shadow: 0 2px 8px rgba(15, 23, 42, 0.25);
}

.media-resolution-chip {
    background: rgba(255, 255, 255, 0.9);
    border-color: rgba(148, 163, 184, 0.4);
    color: #475569;
    cursor: pointer;
}

.media-resolution-chip--active {
    background: rgba(37, 99, 235, 0.12);
    border-color: rgba(37, 99, 235, 0.38);
    color: #1d4ed8;
}

.dark .media-resolution-chip {
    background: rgba(15, 23, 42, 0.9);
    border-color: rgba(71, 85, 105, 0.85);
    color: #cbd5e1;
}

.dark .media-resolution-chip--active {
    background: rgba(59, 130, 246, 0.24);
    border-color: rgba(96, 165, 250, 0.55);
    color: #bfdbfe;
}

.media-chip {
    display: inline-flex;
    align-items: center;
    min-height: 1.35rem;
    padding: 0.125rem 0.5rem;
    border-radius: 999px;
    background: rgba(245, 158, 11, 0.14);
    border: 1px solid rgba(245, 158, 11, 0.24);
}

.media-card-warning {
    border: 1px solid rgba(245, 158, 11, 0.35);
    border-radius: 0.75rem;
    background: rgba(255, 251, 235, 0.85);
    color: #92400e;
    padding: 0.625rem 0.75rem;
    font-size: 0.8125rem;
}

.dark .media-card-warning {
    background: rgba(120, 53, 15, 0.18);
    color: #fcd34d;
}

.media-audio-player {
    display: block;
    min-width: min(100%, 16rem);
    min-height: 2.5rem;
}

/* ── Vocal split card ──────────────────────────────────── */
.vocal-track {
    border-radius: 0.625rem;
    padding: 0.625rem 0.75rem;
    background: rgba(255,255,255,0.6);
    border: 1px solid rgba(139,92,246,0.2);
}
.dark .vocal-track {
    background: rgba(0,0,0,0.25);
    border-color: rgba(139,92,246,0.3);
}
.vocal-track--empty {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    opacity: 0.55;
    padding: 0.5rem 0.75rem;
}
.vocal-track__header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.vocal-track__icon {
    font-size: 1.1rem;
    flex-shrink: 0;
}
.vocal-track__label {
    font-size: 0.8125rem;
    font-weight: 600;
    color: #5b21b6;
}
.dark .vocal-track__label {
    color: #c4b5fd;
}
.vocal-track__unavail {
    font-size: 0.75rem;
    color: #9ca3af;
}

.media-video-frame {
    width: 100%;
    aspect-ratio: var(--media-aspect-ratio, 16 / 9);
    min-height: 11rem;
    max-height: 26rem;
    border-radius: 0.75rem;
    overflow: hidden;
    background: #020617;
}

.media-video-frame video {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.image-prompt-editor,
.media-input,
.media-select {
    width: 100%;
    border: 1px solid rgba(148, 163, 184, 0.55);
    border-radius: 0.625rem;
    background: rgba(255, 255, 255, 0.96);
    color: #111827;
    padding: 0.5rem 0.625rem;
    font-size: 0.8125rem;
    line-height: 1.4;
}

.dark .image-prompt-editor,
.dark .media-input,
.dark .media-select {
    background: rgba(15, 23, 42, 0.9);
    color: #e5e7eb;
    border-color: rgba(71, 85, 105, 0.9);
}

.media-field-label {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    min-width: min(100%, 12rem);
    color: #64748b;
    font-size: 0.7rem;
    font-weight: 700;
}

.dark .media-field-label { color: #cbd5e1; }

.image-reference-strip {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(5.25rem, 1fr));
    gap: 0.5rem;
    padding: 0 0.75rem 0.75rem;
}

.image-reference-thumb,
.image-history-item {
    min-width: 0;
    border: 1px solid rgba(148, 163, 184, 0.32);
    border-radius: 0.625rem;
    overflow: hidden;
    background: rgba(248, 250, 252, 0.92);
}

.dark .image-reference-thumb,
.dark .image-history-item { background: rgba(15, 23, 42, 0.72); }

.image-reference-thumb img,
.image-history-item img,
.image-history-placeholder {
    width: 100%;
    aspect-ratio: 1 / 1;
    object-fit: cover;
    display: block;
}

.image-reference-thumb span,
.image-history-item span {
    display: block;
    padding: 0.25rem 0.375rem;
    color: #64748b;
    font-size: 0.68rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.image-history-strip {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(4.75rem, 1fr));
    gap: 0.5rem;
}

.image-history-placeholder { background: linear-gradient(135deg, #e2e8f0, #f8fafc); }
.dark .image-history-placeholder { background: linear-gradient(135deg, #1e293b, #0f172a); }

.html-page-thumb {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    aspect-ratio: 16 / 9;
    max-height: 14rem;
    background: #eff6ff;
    overflow: hidden;
}

.html-page-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.html-page-thumb--fallback span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 4rem;
    height: 4rem;
    border-radius: 0.75rem;
    background: rgba(37, 99, 235, 0.12);
    color: #1d4ed8;
    font-weight: 800;
    letter-spacing: 0;
}

.dark .html-page-thumb { background: #0f172a; }
.dark .html-page-thumb--fallback span { background: rgba(96, 165, 250, 0.12); color: #93c5fd; }

.media-3d-viewer {
    position: relative;
    min-height: 20rem;
    border-radius: 0.75rem;
    overflow: hidden;
    background: #f3f0ff;
}

.dark .media-3d-viewer { background: #1e1b4b; }

.media-3d-viewer model-viewer {
    display: block;
    width: 100%;
    height: 20rem;
}

.media-3d-viewer model-viewer:not(:defined) { display: none; }

.media-3d-viewer model-viewer:defined + .model-viewer-fallback { display: none; }

.model-viewer-fallback {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.35rem;
    min-height: 20rem;
    padding: 1rem;
    text-align: center;
    color: #5b21b6;
    background: rgba(245, 243, 255, 0.92);
}

.dark .model-viewer-fallback {
    color: #ddd6fe;
    background: rgba(46, 16, 101, 0.3);
}

.prose table {
    width: auto;
    min-width: 0;
    max-width: 100%;
    border-collapse: collapse;
    table-layout: auto;
    font-size: 0.875rem;
    overflow: hidden;
    margin: 0;
}

.prose thead th {
    background: rgba(99, 102, 241, 0.08);
    font-weight: 600;
    text-align: left;
    vertical-align: bottom;
    white-space: normal;
    overflow-wrap: anywhere;
    word-break: break-word;
    padding: 0.625rem 0.75rem;
    border-bottom: 2px solid rgba(99, 102, 241, 0.2);
}

.dark .prose thead th {
    background: rgba(99, 102, 241, 0.15);
}

.prose tbody td {
    padding: 0.5rem 0.75rem;
    vertical-align: top;
    overflow-wrap: anywhere;
    word-break: break-word;
    border-bottom: 1px solid rgba(156, 163, 175, 0.15);
}

.prose tbody tr:hover {
    background: rgba(99, 102, 241, 0.03);
}

.dark .prose tbody tr:hover {
    background: rgba(99, 102, 241, 0.08);
}

/* Code block enhancement */
.code-block-wrapper {
    border-radius: 0.75rem;
    overflow: hidden;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

/* Lists enhancement */
.prose ul {
    list-style-type: disc;
    padding-left: 1.5rem;
}

.prose ol {
    list-style-type: decimal;
    padding-left: 1.5rem;
}

.prose li {
    margin-bottom: 0.25rem;
}

/* Inline code */
.prose code:not([class]) {
    background: rgba(99, 102, 241, 0.08);
    color: #6366f1;
    padding: 0.125rem 0.375rem;
    border-radius: 0.25rem;
    font-size: 0.875em;
    font-weight: 500;
}

.dark .prose code:not([class]) {
    background: rgba(129, 140, 248, 0.15);
    color: #a5b4fc;
}

/* ====================================================================
   WATCH / SMARTWATCH LAYOUT (≤280px)
   OLED-optimized: pure black backgrounds, compact layout, voice-first
   ==================================================================== */
@media (max-width: 280px) {
    /* -- OLED Black Theme Override (saves battery on OLED) -- */
    body, body.dark,
    .bg-white, .dark\:bg-gray-800,
    .bg-gray-100, .dark\:bg-\[\#212121\] {
        background-color: #000000 !important;
    }
    .dark\:bg-gray-800, .bg-white {
        background-color: #000000 !important;
    }
    /* Cards / panels */
    .dark\:bg-gray-700, .bg-gray-50,
    .dark\:bg-\[\#212121\] {
        background-color: #111111 !important;
    }
    /* Borders dimmed */
    .border-gray-200, .dark\:border-white\/10,
    .border-gray-300, .dark\:border-gray-700,
    .dark\:border-gray-600 {
        border-color: #1a1a1a !important;
    }

    /* -- Hide sidebars completely -- */
    .md\:hidden { display: none !important; }

    /* -- Top toolbar: ultra-compact -- */
    .flex.items-center.justify-between.px-4.py-2 {
        padding: 2px 6px !important;
        gap: 2px !important;
        min-height: 24px !important;
        border-bottom: none !important;
        background: transparent !important;
    }
    /* Hide model selector details, keep only icon */
    .model-selector button span.text-sm { display: none !important; }
    .model-selector button svg.h-4 { display: none !important; }
    .model-selector button span[x-show="attachedAgent"] { display: none !important; }
    .model-selector { min-width: unset !important; }
    .model-selector button { padding: 2px 4px !important; gap: 2px !important; }
    /* Hide share button & settings */
    button[title="Поделиться"],
    button[title="Настройки"] { display: none !important; }

    /* -- Chat scroll area -- */
    #scroll-container {
        padding: 4px 12px 100px !important;
    }

    /* -- Messages: compact, no avatars -- */
    .message-bubble {
        padding: 5px 8px !important;
        font-size: 10px !important;
        line-height: 1.35 !important;
        border-radius: 10px !important;
        max-height: 80px;
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
    }
    /* User bubble: right-aligned feel */
    .message-bubble:has(+ .flex-shrink-0) {
        margin-left: 10% !important;
    }
    /* Avatar icons: hide on watch */
    .flex-shrink-0 .w-8.h-8,
    .flex-shrink-0 .w-10.h-10 {
        width: 16px !important;
        height: 16px !important;
        font-size: 8px !important;
    }
    /* Message row gap */
    .flex.gap-4, .flex.gap-3 {
        gap: 3px !important;
    }

    /* -- Greeting: compact -- */
    .text-2xl, .md\:text-3xl {
        font-size: 12px !important;
    }
    .mb-8 { margin-bottom: 8px !important; }

    /* -- Input area: compact, transparent, voice-first -- */
    #chat-input-area {
        padding: 3px 6px !important;
        padding-bottom: max(3px, env(safe-area-inset-bottom)) !important;
        background: transparent !important;
        border-top: none !important;
    }
    /* Input container */
    .chat-input-container {
        padding: 4px !important;
        gap: 3px !important;
        border-radius: 16px !important;
        background: #111111 !important;
    }
    /* Textarea */
    .chat-input {
        font-size: 11px !important;
        min-height: 20px !important;
        line-height: 20px !important;
    }
    /* Attach button: smaller */
    .chat-input-container .flex-shrink-0 button.w-8 {
        width: 24px !important;
        height: 24px !important;
    }
    .chat-input-container .flex-shrink-0 button.w-8 svg {
        width: 14px !important;
        height: 14px !important;
    }
    /* Voice button: hero size — primary input on watch */
    button[title="Голосовой ввод"],
    button[title="Остановить запись"] {
        width: 36px !important;
        height: 36px !important;
        background: #f85149 !important;
        color: #fff !important;
        box-shadow: 0 2px 12px rgba(248, 81, 73, 0.4) !important;
        order: -1; /* Move mic to the left */
    }
    button[title="Голосовой ввод"] svg,
    button[title="Остановить запись"] svg {
        width: 18px !important;
        height: 18px !important;
    }
    /* Send button: compact */
    .chat-input-container button.bg-black,
    .chat-input-container button.dark\:bg-white {
        width: 24px !important;
        height: 24px !important;
    }
    .chat-input-container button.bg-black svg,
    .chat-input-container button.dark\:bg-white svg {
        width: 14px !important;
        height: 14px !important;
    }

    /* -- Attached files: smaller -- */
    .mb-3.flex.flex-wrap { gap: 3px !important; }
    .mb-3 .h-20 { height: 36px !important; width: 36px !important; }

    /* -- Voice mode settings: hide on watch -- */
    .bg-blue-50.dark\:bg-blue-900\/20.rounded-lg { display: none !important; }

    /* -- Agent preview: compact -- */
    .inline-flex.items-center.gap-3.px-4 {
        gap: 3px !important;
        padding: 4px 6px !important;
        font-size: 9px !important;
    }
    .inline-flex .w-10.h-10 { width: 20px !important; height: 20px !important; font-size: 12px !important; }

    /* -- Model dropdown: compact -- */
    .model-selector .absolute {
        width: 160px !important;
        max-height: 180px !important;
        font-size: 10px !important;
    }
    .model-selector .absolute .px-4.py-3 {
        padding: 4px 8px !important;
    }
    .model-selector .absolute .w-8.h-8 {
        width: 16px !important;
        height: 16px !important;
    }

    /* -- Hide premium indicator, reasoning panels on watch -- */
    .input-premium { display: none !important; }

    /* -- Scrollbar hide -- */
    #scroll-container::-webkit-scrollbar,
    .message-bubble::-webkit-scrollbar {
        display: none;
    }
    #scroll-container,
    .message-bubble {
        scrollbar-width: none;
        -ms-overflow-style: none;
    }

    /* -- Ambient circular glow (decorative) -- */
    body::after {
        content: '';
        position: fixed;
        top: 2px; left: 2px; right: 2px; bottom: 2px;
        border-radius: 50%;
        border: 1px solid rgba(88, 166, 255, 0.06);
        pointer-events: none;
        z-index: 9998;
    }
}

/* ===== Watch: Round screen enhancements (GPTun) ===== */
body.watch-round-ichat {
    border-radius: 50%;
    overflow: hidden;
}
body.watch-round-ichat .flex.items-center.justify-between.px-4.py-2 {
    padding-top: 18px !important;
    padding-left: 36px !important;
    padding-right: 36px !important;
    justify-content: center !important;
}
body.watch-round-ichat #scroll-container {
    padding-left: 24px !important;
    padding-right: 24px !important;
}
body.watch-round-ichat #chat-input-area {
    padding-bottom: max(18px, env(safe-area-inset-bottom)) !important;
    padding-left: 32px !important;
    padding-right: 32px !important;
}
body.watch-round-ichat .message-bubble {
    max-height: 56px;
}

/* ===== Ultra-tiny watch (≤200px, GPTun) ===== */
@media (max-width: 200px) {
    /* Hide toolbar completely */
    .flex.items-center.justify-between.px-4.py-2 {
        display: none !important;
    }
    #scroll-container {
        padding: 2px 18px 80px !important;
    }
    .message-bubble {
        font-size: 8px !important;
        padding: 3px 5px !important;
        max-height: 48px;
    }
    .text-2xl { font-size: 10px !important; }
    /* Voice-only: hide textarea */
    .chat-input { display: none !important; }
    /* Hide attach + send, keep only mic */
    .chat-input-container .flex-shrink-0:not(:has(button[title="Голосовой ввод"]):not(:has(button[title="Остановить запись"]))) {
        display: none !important;
    }
    .chat-input-container {
        justify-content: center !important;
        background: transparent !important;
        border: none !important;
    }
}

/* ========================= Source Link Tooltips ========================= */
.prose .source-link {
    text-decoration: none !important;
    border-bottom: 1.5px dotted rgba(59, 130, 246, 0.5);
    transition: border-color 0.15s ease, color 0.15s ease;
}
.prose .source-link:hover {
    border-bottom-color: rgba(59, 130, 246, 0.9);
}
.dark .prose .source-link {
    border-bottom-color: rgba(96, 165, 250, 0.4);
}
.dark .prose .source-link:hover {
    border-bottom-color: rgba(96, 165, 250, 0.8);
}
.source-tooltip {
    background: #1f2937;
    color: #f3f4f6;
    font-size: 12px;
    line-height: 1.4;
    padding: 6px 10px;
    border-radius: 8px;
    max-width: 280px;
    word-break: break-word;
    box-shadow: 0 4px 12px rgba(0,0,0,0.25);
    z-index: 9999;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.15s ease;
}
.source-tooltip.visible {
    opacity: 1;
}
.source-tooltip .source-tooltip-domain {
    font-weight: 600;
    color: #93c5fd;
}
.source-tooltip .source-tooltip-hint {
    color: #9ca3af;
    font-size: 10px;
    margin-top: 2px;
}
.source-tooltip .source-tooltip-arrow,
.source-tooltip .source-tooltip-arrow::before {
    position: absolute;
    width: 8px;
    height: 8px;
    background: inherit;
}
.source-tooltip .source-tooltip-arrow {
    visibility: hidden;
}
.source-tooltip .source-tooltip-arrow::before {
    visibility: visible;
    content: '';
    transform: rotate(45deg);
}
.source-tooltip[data-popper-placement^='top'] > .source-tooltip-arrow {
    bottom: -4px;
}
.source-tooltip[data-popper-placement^='bottom'] > .source-tooltip-arrow {
    top: -4px;
}
.source-tooltip[data-popper-placement^='left'] > .source-tooltip-arrow {
    right: -4px;
}
.source-tooltip[data-popper-placement^='right'] > .source-tooltip-arrow {
    left: -4px;
}

/* === Mobile Sidebar Improvements === */
/* Ensure sidebar is properly hidden/shown on mobile */
@media (max-width: 768px) {
    /* Sidebar container should be position fixed to overlay content */
    aside[x-cloak] {
        display: none !important;
    }

    /* Hide overlay when sidebar is closed */
    aside:not(.open-sidebar) ~ .fixed {
        display: none;
    }

    /* Mobile hamburger menu button - ensure visibility */
    .md\:hidden[class*="hamburger"],
    button[class*="md:hidden"] {
        z-index: 50;
        position: relative;
    }

    /* Sidebar should be accessible when opened */
    aside.translate-x-0 {
        display: block;
        box-shadow: 2px 0 8px rgba(0, 0, 0, 0.1);
        transition: transform 0.3s ease-in-out;
    }

    /* Ensure sidebar scroll doesn't affect main scroll */
    aside .overflow-y-auto {
        -webkit-overflow-scrolling: touch;
    }

    /* Keep mobile logic class-driven: fixed only when composer is explicitly pinned. */
    #chat-input-area {
        max-width: 100%;
    }

    #chat-input-area.aichat-input-area--bottom-fixed {
        position: fixed;
        bottom: var(--aichat-composer-fixed-bottom, max(4px, env(safe-area-inset-bottom)));
        left: var(--aichat-composer-fixed-left, max(1rem, env(safe-area-inset-left)));
        right: var(--aichat-composer-fixed-right, max(1rem, env(safe-area-inset-right)));
        margin-bottom: 0;
        padding-bottom: 0;
    }

    #scroll-container.aichat-scroll-shell--composer-fixed {
        padding-bottom: calc(var(--aichat-input-bottom-padding, 8rem) + env(safe-area-inset-bottom));
    }
}

/* ===== Pinned model marker (GPTun selector, 2026-10-25) ===== */
.aichat-pin-dot {
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.15);
}
.aichat-pin-dot:hover {
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.3);
}