/*
 * XtraChat Classic Messenger theme.
 * Visual tokens are mapped from prototype-reference/app.css.
 */

:root {
    --xc-bg: #f4f7fb;
    --xc-bg-2: #ffffff;
    --xc-surface: #ffffff;
    --xc-surface-2: #eef3f8;
    --xc-surface-3: #eaf2fa;
    --xc-text: #17212b;
    --xc-text-2: #415365;
    --xc-text-3: #6b7a8a;
    --xc-border: #dce5ee;
    --xc-border-strong: #c7d5e2;
    --xc-input: #ffffff;
    --xc-input-muted: #eef3f8;
    --xc-primary: #1f8eff;
    --xc-primary-2: #0d6fd2;
    --xc-primary-soft: #e3f1ff;
    --xc-primary-text: #ffffff;
    --xc-success: #18b99a;
    --xc-success-2: #087c67;
    --xc-success-soft: #dff3df;
    --xc-warning: #f4a33b;
    --xc-warning-2: #a76307;
    --xc-warning-soft: #fff1d8;
    --xc-danger: #ef6262;
    --xc-danger-2: #b42323;
    --xc-danger-soft: #ffe3e3;
    --xc-muted: #cbd8e4;
    --xc-bubble-in: #ffffff;
    --xc-bubble-out: #dff3df;
    --xc-bubble-out-border: rgba(24, 185, 154, .22);
    --xc-bubble-out-text: #17212b;
    --xc-bubble-out-muted: rgba(86, 106, 124, .78);
    --xc-bubble-out-attachment-bg: rgba(255, 255, 255, .72);
    --xc-bubble-out-attachment-border: rgba(24, 185, 154, .22);
    --xc-bubble-out-action-bg: #ffffff;
    --xc-bubble-out-action-text: #0d6fd2;
    --xc-attachment-bg: rgba(255, 255, 255, .86);
    --xc-composer-bg: #ffffff;
    --xc-message-shadow: rgba(92, 114, 138, .16);
    --xc-message-own-shadow: rgba(92, 114, 138, .16);
    --xc-message-meta: rgba(86, 106, 124, .78);
    --xc-waveform-idle: #cbd8e4;
    --xc-waveform-active: #1f8eff;
    --xc-glass: rgba(255, 255, 255, .94);
    --xc-glass-border: rgba(138, 159, 180, .36);
    --xc-scrollbar: #c7d5e2;
    --xc-focus-ring: rgba(31, 142, 255, .34);
    --xc-brand-gradient: linear-gradient(135deg, #1f8eff 0%, #0d6fd2 100%);
    --xc-bubble-gradient: #dff3df;
    --xc-shadow-soft: 0 12px 28px rgba(23, 33, 43, .10);
    --xc-shadow-panel: none;
    --xc-radius-sm: 8px;
    --xc-radius-md: 10px;
    --xc-radius-lg: 14px;
    --xc-radius-xl: 0px;
    --xc-radius-full: 999px;
    --xc-sidebar-w: 368px;
    --xc-topbar-h: 62px;
    --xc-mobile-nav-h: 64px;
    --xc-edge-swipe-width: 120px;
    --xc-swipe-offset: 0px;
    --xc-underlay-offset: 0px;
    --xc-underlay-shift: 48px;
    --xc-swipe-open-duration: 250ms;
    --xc-swipe-close-duration: 200ms;
    --xc-swipe-easing: cubic-bezier(.32, .94, .6, 1);
    --xc-swipe-close-easing: cubic-bezier(.25, .1, .25, .3);
    --xc-row-line: rgba(220, 229, 238, .72);
    --xc-bottom-bar: rgba(255, 255, 255, .98);
    --xc-hover-soft: #f0f5fa;
    --xc-press-soft: #eaf2fa;
    --xc-active-soft: #e5f2ff;
    --xc-filter-active: #e3f1ff;
    --xc-wallpaper: #dfe9f2;
    --xc-wallpaper-dot: rgba(31, 142, 255, .08);
    --xc-wallpaper-gloss-start: rgba(255, 255, 255, .55);
    --xc-wallpaper-gloss-end: rgba(255, 255, 255, 0);
    --xc-header-line: rgba(138, 159, 180, .36);
}

@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) {
        --xc-bg: #070b10;
        --xc-bg-2: #101821;
        --xc-surface: #0b1118;
        --xc-surface-2: #151d27;
        --xc-surface-3: #172433;
        --xc-text: #eef3f8;
        --xc-text-2: #b7c2cf;
        --xc-text-3: #91a1b3;
        --xc-border: #202a36;
        --xc-border-strong: #2c3848;
        --xc-input: #0f1720;
        --xc-input-muted: #151d27;
        --xc-primary: #4da3ff;
        --xc-primary-2: #7bbcff;
        --xc-primary-soft: #133353;
        --xc-success: #35c8aa;
        --xc-success-2: #9debd9;
        --xc-success-soft: rgba(53, 200, 170, .16);
        --xc-warning: #f2b45a;
        --xc-warning-2: #ffe1aa;
        --xc-warning-soft: rgba(242, 180, 90, .16);
        --xc-danger: #ff7878;
        --xc-danger-2: #ffc2c2;
        --xc-danger-soft: rgba(255, 120, 120, .16);
        --xc-muted: #334253;
        --xc-bubble-in: #202a36;
        --xc-bubble-out: #1d4c3f;
        --xc-bubble-out-border: rgba(53, 200, 170, .22);
        --xc-bubble-out-text: #eef3f8;
        --xc-bubble-out-muted: rgba(167, 179, 192, .74);
        --xc-bubble-out-attachment-bg: rgba(255, 255, 255, .08);
        --xc-bubble-out-attachment-border: rgba(255, 255, 255, .14);
        --xc-bubble-out-action-bg: rgba(255, 255, 255, .92);
        --xc-bubble-out-action-text: #0d6fd2;
        --xc-attachment-bg: rgba(32, 42, 54, .88);
        --xc-composer-bg: #0b1118;
        --xc-message-shadow: rgba(0, 0, 0, .24);
        --xc-message-own-shadow: rgba(0, 0, 0, .24);
        --xc-message-meta: rgba(167, 179, 192, .74);
        --xc-waveform-idle: #334253;
        --xc-waveform-active: #4da3ff;
        --xc-glass: rgba(11, 17, 24, .94);
        --xc-glass-border: rgba(104, 125, 148, .32);
        --xc-scrollbar: #334253;
        --xc-focus-ring: rgba(77, 163, 255, .34);
        --xc-brand-gradient: linear-gradient(135deg, #4da3ff 0%, #0d6fd2 100%);
        --xc-bubble-gradient: #1d4c3f;
        --xc-shadow-soft: 0 12px 28px rgba(0, 0, 0, .32);
        --xc-shadow-panel: none;
        --xc-row-line: rgba(44, 56, 72, .72);
        --xc-bottom-bar: rgba(11, 17, 24, .98);
        --xc-hover-soft: #141f2b;
        --xc-press-soft: #172433;
        --xc-active-soft: #122b43;
        --xc-filter-active: #133353;
        --xc-wallpaper: #070c12;
        --xc-wallpaper-dot: rgba(77, 163, 255, .10);
        --xc-wallpaper-gloss-start: rgba(255, 255, 255, .04);
        --xc-wallpaper-gloss-end: rgba(255, 255, 255, 0);
        --xc-header-line: rgba(104, 125, 148, .32);
    }
}

:root[data-theme="dark"] {
    --xc-bg: #070b10;
    --xc-bg-2: #101821;
    --xc-surface: #0b1118;
    --xc-surface-2: #151d27;
    --xc-surface-3: #172433;
    --xc-text: #eef3f8;
    --xc-text-2: #b7c2cf;
    --xc-text-3: #91a1b3;
    --xc-border: #202a36;
    --xc-border-strong: #2c3848;
    --xc-input: #0f1720;
    --xc-input-muted: #151d27;
    --xc-primary: #4da3ff;
    --xc-primary-2: #7bbcff;
    --xc-primary-soft: #133353;
    --xc-success: #35c8aa;
    --xc-success-2: #9debd9;
    --xc-success-soft: rgba(53, 200, 170, .16);
    --xc-warning: #f2b45a;
    --xc-warning-2: #ffe1aa;
    --xc-warning-soft: rgba(242, 180, 90, .16);
    --xc-danger: #ff7878;
    --xc-danger-2: #ffc2c2;
    --xc-danger-soft: rgba(255, 120, 120, .16);
    --xc-muted: #334253;
    --xc-bubble-in: #202a36;
    --xc-bubble-out: #1d4c3f;
    --xc-bubble-out-border: rgba(53, 200, 170, .22);
    --xc-bubble-out-text: #eef3f8;
    --xc-bubble-out-muted: rgba(167, 179, 192, .74);
    --xc-bubble-out-attachment-bg: rgba(255, 255, 255, .08);
    --xc-bubble-out-attachment-border: rgba(255, 255, 255, .14);
    --xc-bubble-out-action-bg: rgba(255, 255, 255, .92);
    --xc-bubble-out-action-text: #0d6fd2;
    --xc-attachment-bg: rgba(32, 42, 54, .88);
    --xc-composer-bg: #0b1118;
    --xc-message-shadow: rgba(0, 0, 0, .24);
    --xc-message-own-shadow: rgba(0, 0, 0, .24);
    --xc-message-meta: rgba(167, 179, 192, .74);
    --xc-waveform-idle: #334253;
    --xc-waveform-active: #4da3ff;
    --xc-glass: rgba(11, 17, 24, .94);
    --xc-glass-border: rgba(104, 125, 148, .32);
    --xc-scrollbar: #334253;
    --xc-focus-ring: rgba(77, 163, 255, .34);
    --xc-brand-gradient: linear-gradient(135deg, #4da3ff 0%, #0d6fd2 100%);
    --xc-bubble-gradient: #1d4c3f;
    --xc-shadow-soft: 0 12px 28px rgba(0, 0, 0, .32);
    --xc-shadow-panel: none;
    --xc-row-line: rgba(44, 56, 72, .72);
    --xc-bottom-bar: rgba(11, 17, 24, .98);
    --xc-hover-soft: #141f2b;
    --xc-press-soft: #172433;
    --xc-active-soft: #122b43;
    --xc-filter-active: #133353;
    --xc-wallpaper: #070c12;
    --xc-wallpaper-dot: rgba(77, 163, 255, .10);
    --xc-wallpaper-gloss-start: rgba(255, 255, 255, .04);
    --xc-wallpaper-gloss-end: rgba(255, 255, 255, 0);
    --xc-header-line: rgba(104, 125, 148, .32);
}

body {
    color-scheme: light dark;
    background: var(--xc-surface);
}

:root[data-theme="light"] body {
    color-scheme: light;
}

:root[data-theme="dark"] body {
    color-scheme: dark;
}
 
/* Complete messenger shell based on prototype-reference/app.css. */
.messenger-page {
    --app-height: 100svh;
    --safe-bottom: var(--xc-safe-bottom);
    --swipe-offset: 0px;
    --underlay-offset: calc(-1 * var(--xc-underlay-shift));
    --underlay-shift: var(--xc-underlay-shift);
    --edge-swipe-width: var(--xc-edge-swipe-width);
    --swipe-open-duration: var(--xc-swipe-open-duration);
    --swipe-close-duration: var(--xc-swipe-close-duration);
    --swipe-easing: var(--xc-swipe-easing);
    --swipe-close-easing: var(--xc-swipe-close-easing);
    --bg: var(--xc-bg);
    --surface: var(--xc-surface);
    --surface-soft: var(--xc-surface-2);
    --surface-translucent: var(--xc-glass);
    --bottom-bar: var(--xc-bottom-bar);
    --text: var(--xc-text);
    --muted: var(--xc-text-3);
    --line: var(--xc-border);
    --row-line: var(--xc-row-line);
    --accent: var(--xc-primary);
    --accent-dark: var(--xc-primary-2);
    --mint: var(--xc-success);
    --amber: var(--xc-warning);
    --rose: var(--xc-danger);
    --active-soft: var(--xc-active-soft);
    --press-soft: var(--xc-press-soft);
    --hover-soft: var(--xc-hover-soft);
    --filter-active: var(--xc-filter-active);
    --filter-pressed: var(--xc-press-soft);
    --header-line: var(--xc-header-line);
    --bubble-shadow: var(--xc-message-shadow);
    --input-bg: var(--xc-input);
    --send-disabled: var(--xc-muted);
    --message-meta: var(--xc-message-meta);
    --dialog-shadow: rgba(23, 33, 43, .16);
    --settings-chevron: var(--xc-text-3);
    --bubble-in: var(--xc-bubble-in);
    --bubble-out: var(--xc-bubble-out);
    --wallpaper: var(--xc-wallpaper);
    --wallpaper-dot: var(--xc-wallpaper-dot);
    --wallpaper-gloss-start: var(--xc-wallpaper-gloss-start);
    --wallpaper-gloss-end: var(--xc-wallpaper-gloss-end);
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100vh;
    height: var(--app-height);
    overflow: hidden;
    background: var(--surface);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
    overscroll-behavior: none;
    -webkit-font-smoothing: antialiased;
    -webkit-tap-highlight-color: transparent;
}

.messenger-page .chat-sidebar,
.messenger-page .dialog-header,
.messenger-page .composer {
    -webkit-user-select: none;
    user-select: none;
}

.messenger-page input,
.messenger-page textarea,
.messenger-page .message-text {
    -webkit-user-select: text;
    user-select: text;
}

.messenger-page .icon-sprite {
    display: none;
}

.messenger-page[data-view="dialog"] {
    background: var(--surface);
}

.messenger-page .messenger-root,
.messenger-page .messenger-layout,
.messenger-page .messenger-section {
    width: 100%;
    height: 100%;
    min-height: 0;
}

.messenger-page .app-update-notice {
    position: fixed;
    top: calc(12px + var(--xc-safe-top));
    right: calc(12px + var(--xc-safe-right));
    z-index: 80;
    max-width: min(420px, calc(100vw - 24px));
}

.messenger-page .app-frame {
    position: fixed;
    inset: 0 auto 0 0;
    z-index: 1;
    display: grid;
    width: 100vw;
    height: auto;
    min-height: 0;
    grid-template-columns: var(--xc-sidebar-w) minmax(0, 1fr);
    gap: 0;
    overflow: hidden;
    background: var(--surface);
}

.messenger-page .chat-sidebar,
.messenger-page .dialog-pane {
    min-width: 0;
    min-height: 0;
    border: 0;
    border-radius: 0;
    box-shadow: none;
}

.messenger-page .chat-sidebar {
    display: grid;
    grid-template-rows: auto minmax(0, 1fr) auto;
    gap: 0;
    border-right: 1px solid var(--line);
    padding: 0;
    background: var(--surface);
}

.messenger-page .sidebar-header {
    border-bottom: 1px solid var(--line);
    padding: calc(12px + var(--xc-safe-top)) 12px 10px;
    background: var(--surface);
}

.messenger-page .brand-row {
    display: grid;
    min-height: 44px;
    grid-template-columns: 44px minmax(0, 1fr) 44px 44px;
    gap: 8px;
    align-items: center;
}

.messenger-page .brand-copy {
    display: flex;
    min-width: 0;
    gap: 10px;
    align-items: baseline;
    justify-content: space-between;
}

.messenger-page .brand-copy strong {
    overflow: hidden;
    color: var(--text);
    font-size: 20px;
    font-weight: 800;
    line-height: 1.2;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.messenger-page .brand-copy span {
    flex: 0 0 auto;
    color: var(--mint);
    font-size: 12px;
    font-weight: 700;
}

.messenger-page .icon-button {
    display: inline-grid;
    width: 44px;
    height: 44px;
    min-width: 44px;
    min-height: 44px;
    place-items: center;
    border: 0;
    border-radius: 50%;
    padding: 0;
    color: var(--muted);
    background: transparent;
    line-height: 1;
    cursor: pointer;
    transition: background-color 120ms ease, color 120ms ease, transform 120ms ease;
    touch-action: manipulation;
}

.messenger-page .icon-button.is-active {
    color: var(--accent-dark);
    background: var(--surface-soft);
}

.messenger-page .icon-button svg {
    width: 22px;
    height: 22px;
    fill: none;
    stroke: currentColor;
    stroke-linecap: round;
    stroke-linejoin: round;
    stroke-width: 2;
}

.messenger-page .icon-button:active {
    transform: scale(.94);
}

.messenger-page .icon-button:disabled {
    cursor: default;
    opacity: .48;
    transform: none;
}

.messenger-page .search-box {
    display: grid;
    height: 40px;
    grid-template-columns: 24px minmax(0, 1fr);
    gap: 8px;
    align-items: center;
    margin: 10px 0;
    border-radius: 8px;
    padding: 0 12px;
    background: var(--surface-soft);
    color: var(--muted);
}

.messenger-page .search-box > svg {
    width: 19px;
    height: 19px;
    fill: none;
    stroke: currentColor;
    stroke-linecap: round;
    stroke-linejoin: round;
    stroke-width: 2;
}

.messenger-page .search-box label {
    display: grid;
    min-width: 0;
}

.messenger-page .chat-search-label {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
}

.messenger-page .search-box input {
    width: 100%;
    min-width: 0;
    min-height: 38px;
    border: 0;
    border-radius: 0;
    padding: 0;
    outline: 0;
    color: var(--text);
    background: transparent;
}

.messenger-page .search-box input::placeholder {
    color: var(--muted);
}

.messenger-page .chat-filters {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 6px;
}

.messenger-page .filter-button {
    min-width: 0;
    height: 34px;
    min-height: 34px;
    border: 0;
    border-radius: 8px;
    padding: 0 8px;
    color: var(--muted);
    background: transparent;
    font-size: 13px;
    font-weight: 700;
    white-space: nowrap;
    cursor: pointer;
}

.messenger-page .filter-button.is-active {
    color: var(--accent-dark);
    background: var(--filter-active);
}

@media (hover: hover) {
    .messenger-page .icon-button:hover {
        color: var(--accent-dark);
        background: var(--surface-soft);
    }
}

.messenger-page .chat-list,
.messenger-page .section-list,
.messenger-page .user-search-list,
.messenger-page .group-create-form {
    min-height: 0;
    overflow-y: auto;
    overscroll-behavior: contain;
    -webkit-overflow-scrolling: touch;
}

.messenger-page .chat-list,
.messenger-page .section-list {
    padding: 0;
}

.messenger-page .chat-list-spacer {
    pointer-events: none;
}

.messenger-page .chat-list-row,
.messenger-page .user-search-row,
.messenger-page .group-member-chip,
.messenger-page .section-row {
    display: grid;
    width: 100%;
    min-height: 72px;
    grid-template-columns: 52px minmax(0, 1fr) minmax(34px, auto);
    gap: 10px;
    align-items: center;
    border: 0;
    border-bottom: 1px solid var(--row-line);
    border-radius: 0;
    padding: 0 14px;
    color: var(--text);
    background: transparent;
    text-align: left;
    text-decoration: none;
    cursor: pointer;
    contain: layout paint style;
    touch-action: manipulation;
    transition: background-color 100ms ease;
}

.messenger-page .chat-list-row:hover,
.messenger-page .user-search-row:hover,
.messenger-page .group-member-chip:hover,
.messenger-page .section-row:hover {
    background: var(--hover-soft);
}

.messenger-page .chat-list-row:active,
.messenger-page .user-search-row:active,
.messenger-page .group-member-chip:active,
.messenger-page .section-row:active {
    background: var(--press-soft);
}

.messenger-page .chat-list-row.is-active,
.messenger-page .user-search-row.is-selected {
    background: var(--active-soft);
}

.messenger-page .lazy-avatar {
    display: grid;
    width: 52px;
    height: 52px;
    place-items: center;
    overflow: hidden;
    border-radius: 50%;
    color: #ffffff;
    background: var(--avatar-color, var(--accent));
    font-size: 18px;
    font-weight: 800;
}

.messenger-page .lazy-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.messenger-page .lazy-avatar.is-current-user {
    width: 52px;
    height: 52px;
}

.messenger-page .chat-list-main,
.messenger-page .section-main {
    display: grid;
    min-width: 0;
    gap: 2px;
}

.messenger-page .user-search-row > strong,
.messenger-page .group-member-chip > strong,
.messenger-page .chat-list-main strong,
.messenger-page .section-main strong {
    display: block;
    overflow: hidden;
    color: var(--text);
    font-size: 14.5px;
    font-weight: 700;
    line-height: 1.25;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.messenger-page .user-search-row .lazy-avatar,
.messenger-page .group-member-chip .lazy-avatar {
    grid-row: 1 / 3;
}

.messenger-page .user-search-row > strong,
.messenger-page .group-member-chip > strong {
    grid-column: 2 / 4;
    grid-row: 1;
    align-self: end;
}

.messenger-page .user-search-row > span,
.messenger-page .group-member-chip > span,
.messenger-page .chat-list-main span,
.messenger-page .section-main span {
    display: -webkit-box;
    overflow: hidden;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    color: var(--muted);
    font-size: 13px;
    line-height: 1.35;
    text-overflow: ellipsis;
}

.messenger-page .user-search-row > span,
.messenger-page .group-member-chip > span {
    grid-column: 2 / 4;
    grid-row: 2;
    align-self: start;
}

.messenger-page .chat-list-meta,
.messenger-page .section-meta {
    display: grid;
    align-self: stretch;
    align-content: center;
    justify-items: end;
    gap: 7px;
    min-width: 34px;
    color: var(--muted);
    font-size: 12px;
    line-height: 1;
    white-space: nowrap;
}

.messenger-page .chat-list-meta {
    padding: 9px 0;
}

.messenger-page .account-section-row {
    min-height: 78px;
    cursor: default;
}

.messenger-page .section-row {
    grid-template-columns: 44px minmax(0, 1fr) minmax(18px, auto);
    min-height: 58px;
}

.messenger-page .section-icon {
    display: grid;
    width: 44px;
    height: 44px;
    place-items: center;
    border-radius: 50%;
    color: var(--accent);
    background: var(--surface-soft);
    font-weight: 800;
}

.messenger-page .settings-chevron {
    color: var(--settings-chevron);
    font-size: 20px;
    line-height: 1;
}

.messenger-page .group-create-form {
    display: grid;
    gap: 10px;
    padding: 12px;
}

.messenger-page .group-create-form label {
    display: grid;
    gap: 6px;
    color: var(--muted);
    font-size: 13px;
    font-weight: 700;
}

.messenger-page .group-create-form input {
    min-height: 40px;
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 0 12px;
    color: var(--text);
    background: var(--input-bg);
}

.messenger-page .group-member-list {
    display: grid;
    overflow: hidden;
    border: 1px solid var(--row-line);
    border-radius: 8px;
}

.messenger-page .bottom-tabs {
    display: grid;
    min-height: calc(64px + var(--safe-bottom));
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 2px;
    border-top: 1px solid var(--line);
    padding: 5px 6px calc(6px + var(--safe-bottom));
    background: var(--bottom-bar);
}

.messenger-page .tab-button {
    display: grid;
    height: 52px;
    min-height: 52px;
    min-width: 0;
    grid-template-rows: 24px 16px;
    gap: 3px;
    align-content: center;
    justify-items: center;
    border: 0;
    border-radius: 8px;
    padding: 4px 2px;
    color: var(--muted);
    background: transparent;
    font-size: 10.5px;
    font-weight: 700;
    cursor: pointer;
    transition: background-color 120ms ease, color 120ms ease;
    touch-action: manipulation;
}

.messenger-page .tab-button svg {
    width: 23px;
    height: 23px;
    fill: none;
    stroke: currentColor;
    stroke-linecap: round;
    stroke-linejoin: round;
    stroke-width: 2;
}

.messenger-page .tab-button > span {
    max-width: 100%;
    overflow: hidden;
    font-size: 10.5px;
    font-weight: 700;
    line-height: 1;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.messenger-page .tab-button:hover {
    color: var(--accent-dark);
    background: var(--surface-soft);
}

.messenger-page .tab-button.is-active {
    color: var(--accent);
}

.messenger-page .tab-button:disabled {
    cursor: default;
    opacity: 1;
}

.messenger-page .dialog-pane {
    position: relative;
    display: grid;
    grid-template-rows: auto minmax(0, 1fr) auto;
    overflow: hidden;
    background:
        radial-gradient(circle at 24px 24px, var(--wallpaper-dot) 0 2px, transparent 2px 100%),
        linear-gradient(135deg, var(--wallpaper-gloss-start), var(--wallpaper-gloss-end)),
        var(--wallpaper);
    background-size: 48px 48px, 100% 100%, auto;
}

.messenger-page .edge-swipe-zone {
    display: none;
}

.messenger-page .dialog-header {
    position: relative;
    z-index: 7;
    display: grid;
    min-width: 0;
    grid-template-columns: 42px minmax(0, 1fr) 44px 44px;
    gap: 8px;
    align-items: center;
    border-bottom: 1px solid var(--header-line);
    padding: calc(8px + var(--xc-safe-top)) 12px 8px;
    background: var(--surface-translucent);
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
}

.messenger-page .conversation-back-button {
    display: none;
}

.messenger-page .lazy-avatar.is-conversation {
    width: 42px;
    height: 42px;
    font-size: 16px;
}

.messenger-page .lazy-avatar.is-message {
    width: 32px;
    height: 32px;
    font-size: 11px;
}

.messenger-page .conversation-header h2,
.messenger-page .conversation-header p {
    display: block;
    overflow: hidden;
    margin: 0;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.messenger-page .conversation-header > div {
    min-width: 0;
}

.messenger-page .conversation-header h2 {
    color: var(--text);
    font-size: 16px;
    font-weight: 700;
    line-height: 1.2;
}

.messenger-page .conversation-header p {
    margin-top: 2px;
    color: var(--muted);
    font-size: 12px;
}

.messenger-page .messages-shell {
    min-height: 0;
    overflow-y: auto;
    overscroll-behavior: contain;
    -webkit-overflow-scrolling: touch;
    touch-action: pan-y;
}

.messenger-page .messages-shell.is-scroll-locked {
    -webkit-overflow-scrolling: auto;
}

.messenger-page .messages-shell.is-scroll-stopped {
    overflow-y: hidden;
    -webkit-overflow-scrolling: auto;
}

.messenger-page .messages-list {
    display: flex;
    width: min(100%, 780px);
    min-height: 100%;
    flex-direction: column;
    justify-content: flex-end;
    gap: 6px;
    margin: 0 auto;
    padding: 18px 16px;
}

.messenger-page .message-row {
    display: flex;
    content-visibility: auto;
    contain-intrinsic-size: auto 92px;
}

.messenger-page .message-row.is-own {
    justify-content: flex-end;
}

.messenger-page .message-row.is-sending {
    opacity: .72;
}

.messenger-page .message-bubble {
    max-width: min(620px, 78%);
    border: 0;
    border-radius: 14px;
    padding: 8px 10px 7px;
    color: var(--text);
    background: var(--bubble-in);
    box-shadow: 0 1px 0 var(--bubble-shadow);
}

.messenger-page .message-bubble::after {
    display: block;
    clear: both;
    content: "";
}

.messenger-page .message-row.is-own .message-bubble {
    color: var(--xc-bubble-out-text);
    background: var(--bubble-out);
}

.messenger-page .message-row.is-failed .message-bubble {
    border: 1px solid var(--rose);
    color: var(--text);
    background: var(--xc-danger-soft);
}

.messenger-page .message-meta {
    float: right;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    margin: 4px 0 0 8px;
    color: var(--message-meta);
    font-size: 11px;
    line-height: 1;
    white-space: nowrap;
}

.messenger-page .message-meta strong {
    display: none;
}

.messenger-page .message-meta svg {
    width: 14px;
    height: 14px;
    fill: none;
    stroke: currentColor;
    stroke-linecap: round;
    stroke-linejoin: round;
    stroke-width: 2.2;
}

.messenger-page .message-row.is-failed .message-meta span {
    color: var(--rose);
    font-weight: 700;
}

.messenger-page .message-row.is-own:not(.is-failed) .message-meta span,
.messenger-page .message-row.is-own:not(.is-failed) .message-attachment span,
.messenger-page .message-row.is-own:not(.is-failed) .message-attachment small,
.messenger-page .message-row.is-own:not(.is-failed) .voice-player-meta span {
    color: var(--xc-bubble-out-muted);
}

.messenger-page .message-row.is-own:not(.is-failed) .message-meta {
    color: var(--xc-bubble-out-muted);
}

.messenger-page .message-text {
    position: relative;
    z-index: 7;
    display: inline;
    color: inherit;
    font-size: 15px;
    line-height: 1.35;
    overflow-wrap: anywhere;
    white-space: pre-wrap;
}

.messenger-page .message-delivery-error {
    display: block;
    margin-top: 6px;
    color: var(--rose);
    font-size: 12px;
    font-weight: 700;
}

.messenger-page .message-attachments {
    display: grid;
    gap: 8px;
    margin-top: 8px;
}

.messenger-page .message-attachment {
    display: grid;
    min-width: min(280px, 100%);
    max-width: 420px;
    gap: 4px;
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 8px;
    color: var(--text);
    background: var(--xc-attachment-bg);
    text-decoration: none;
}

.messenger-page .message-row.is-own:not(.is-failed) .message-attachment {
    border-color: var(--xc-bubble-out-attachment-border);
    color: var(--xc-bubble-out-text);
    background: var(--xc-bubble-out-attachment-bg);
}

.messenger-page .message-row.is-own:not(.is-failed) .voice-play-button {
    color: var(--xc-bubble-out-action-text);
    background: var(--xc-bubble-out-action-bg);
}

.messenger-page .message-row.is-own:not(.is-failed) .voice-waveform span {
    background: var(--xc-bubble-out-muted);
}

.messenger-page .message-row.is-own:not(.is-failed) .voice-waveform span.is-active {
    background: var(--xc-bubble-out-text);
}

.messenger-page .message-attachment img {
    width: 100%;
    max-height: 260px;
    border-radius: 10px;
    object-fit: contain;
}

.messenger-page .message-attachment span,
.messenger-page .message-attachment small {
    color: var(--muted);
    font-size: 12px;
}

.messenger-page .message-attachment strong {
    overflow-wrap: anywhere;
}

.messenger-page .voice-player {
    display: grid;
    width: min(360px, 100%);
    grid-template-columns: 42px minmax(0, 1fr);
    gap: 10px;
    align-items: center;
}

.messenger-page .voice-player audio {
    display: none;
}

.messenger-page .voice-play-button {
    display: inline-grid;
    width: 42px;
    height: 42px;
    min-height: 42px;
    place-items: center;
    border: 0;
    border-radius: 50%;
    padding: 0;
    color: var(--xc-primary-text);
    background: var(--xc-brand-gradient);
    cursor: pointer;
}

.messenger-page .voice-play-button:disabled {
    cursor: default;
    opacity: .5;
}

.messenger-page .voice-play-button span {
    width: 0;
    height: 0;
    margin-left: 3px;
    border-top: 7px solid transparent;
    border-bottom: 7px solid transparent;
    border-left: 11px solid currentColor;
    color: inherit;
}

.messenger-page .voice-play-button.is-playing span {
    position: relative;
    width: 12px;
    height: 14px;
    margin-left: 0;
    border: 0;
}

.messenger-page .voice-play-button.is-playing span::before,
.messenger-page .voice-play-button.is-playing span::after {
    position: absolute;
    top: 0;
    width: 4px;
    height: 14px;
    border-radius: 2px;
    background: currentColor;
    content: "";
}

.messenger-page .voice-play-button.is-playing span::before {
    left: 0;
}

.messenger-page .voice-play-button.is-playing span::after {
    right: 0;
}

.messenger-page .voice-player-main {
    display: grid;
    min-width: 0;
    gap: 4px;
}

.messenger-page .voice-progress {
    position: relative;
    display: grid;
    min-height: 32px;
    align-items: center;
}

.messenger-page .voice-waveform {
    display: grid;
    height: 32px;
    grid-template-columns: repeat(42, minmax(2px, 1fr));
    gap: 2px;
    align-items: center;
}

.messenger-page .voice-waveform span {
    display: block;
    min-height: 3px;
    border-radius: 999px;
    background: var(--xc-waveform-idle);
    transition: background-color 120ms ease;
}

.messenger-page .voice-waveform span.is-active {
    background: var(--xc-waveform-active);
}

.messenger-page .voice-progress input {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    margin: 0;
    cursor: pointer;
    opacity: 0;
}

.messenger-page .voice-progress input:disabled {
    cursor: default;
}

.messenger-page .voice-player-meta {
    display: flex;
    min-width: 0;
    gap: 8px;
    justify-content: space-between;
}

.messenger-page .voice-player-meta span,
.messenger-page .voice-player-meta small {
    overflow: hidden;
    color: var(--muted);
    font-size: 12px;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.messenger-page .voice-player-error {
    color: var(--rose);
}

.messenger-page .new-messages-button,
.messenger-page .load-older-button {
    justify-self: center;
    align-self: center;
    min-height: 34px;
    border-radius: 999px;
    padding: 0 14px;
}

.messenger-page .composer {
    position: relative;
    z-index: 7;
    display: grid;
    grid-template-columns: 44px minmax(0, 1fr) 44px;
    gap: 8px;
    align-items: end;
    border-top: 1px solid var(--header-line);
    padding: 8px 12px max(8px, var(--safe-bottom));
    background: var(--surface);
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
}

.messenger-page .selected-attachment,
.messenger-page .compose-message {
    grid-column: 1 / -1;
}

.messenger-page .selected-attachment {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 2px 8px;
    align-items: center;
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 8px 10px;
    color: var(--text);
    background: var(--surface-soft);
}

.messenger-page .selected-attachment span,
.messenger-page .selected-attachment small {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.messenger-page .selected-attachment small {
    color: var(--muted);
}

.messenger-page .selected-attachment button {
    grid-row: 1 / 3;
    grid-column: 2;
    min-height: 32px;
    border-radius: 999px;
}

.messenger-page .selected-attachment .attachment-remove-button {
    width: 32px;
    min-width: 32px;
    height: 32px;
    min-height: 32px;
}

.messenger-page .composer-menu {
    position: absolute;
    bottom: calc(100% + 8px);
    left: 12px;
    z-index: 10;
    display: grid;
    min-width: 190px;
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 4px;
    background: var(--surface);
    box-shadow: 0 12px 32px var(--dialog-shadow);
}

.messenger-page .composer-menu-item {
    position: relative;
    display: grid;
    width: 100%;
    min-height: 42px;
    grid-template-columns: 24px minmax(0, 1fr);
    gap: 10px;
    align-items: center;
    border: 0;
    border-radius: 8px;
    padding: 0 10px;
    color: var(--text);
    background: transparent;
    font-size: 14px;
    font-weight: 600;
    text-align: left;
    cursor: pointer;
}

.messenger-page .composer-menu-item:hover,
.messenger-page .composer-menu-item:active {
    background: var(--surface-soft);
}

.messenger-page .composer-menu-item svg {
    width: 20px;
    height: 20px;
    fill: none;
    stroke: var(--accent);
    stroke-linecap: round;
    stroke-linejoin: round;
    stroke-width: 2;
}

.messenger-page .composer-menu input {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    opacity: 0;
    pointer-events: none;
}

.messenger-page .composer textarea {
    display: block;
    width: 100%;
    height: 42px;
    max-height: 132px;
    min-width: 0;
    border: 1px solid var(--line);
    border-radius: 21px;
    padding: 10px 14px;
    outline: 0;
    color: var(--text);
    background: var(--input-bg);
    box-shadow: none;
    font-size: 16px;
    line-height: 20px;
    overflow-y: auto;
    resize: none;
    -webkit-appearance: none;
    appearance: none;
    -webkit-overflow-scrolling: touch;
}

.messenger-page .composer textarea:focus {
    border-color: var(--accent);
}

.messenger-page .attachment-action,
.messenger-page .send-button,
.messenger-page .voice-recorder button {
    display: inline-grid;
    width: 44px;
    min-width: 44px;
    height: 44px;
    min-height: 44px;
    place-items: center;
    border: 0;
    border-radius: 50%;
    padding: 0;
    overflow: hidden;
    font-weight: 800;
    line-height: 1;
}

.messenger-page .attachment-action {
    color: var(--muted);
    background: transparent;
}

.messenger-page .voice-recorder {
    display: grid;
    grid-column: 1 / -1;
    grid-template-columns: 44px minmax(0, 1fr) 44px;
    gap: 8px;
    align-items: center;
}

.messenger-page .voice-recorder .voice-recording-status {
    display: flex;
    min-width: 0;
    height: 42px;
    gap: 8px;
    align-items: center;
    border: 1px solid var(--line);
    border-radius: 21px;
    padding: 0 14px;
    color: var(--rose);
    background: var(--input-bg);
    font-size: 13px;
    font-weight: 700;
}

.messenger-page .voice-recorder .voice-recording-status::before {
    width: 8px;
    height: 8px;
    flex: 0 0 auto;
    border-radius: 50%;
    background: currentColor;
    content: "";
}

.messenger-page .send-button {
    color: #ffffff;
    background: var(--accent);
}

.messenger-page .send-button svg {
    transform: translate(1px, -1px);
}

.messenger-page .send-button:disabled {
    color: #ffffff;
    background: var(--send-disabled);
    opacity: 1;
    cursor: default;
}

.messenger-page .chat-empty {
    display: grid;
    min-height: 120px;
    place-items: center;
    padding: 24px;
    color: var(--muted);
    text-align: center;
}

.messenger-page .conversation-empty {
    min-height: 100%;
}

@media (max-width: 760px) {
    .messenger-page .app-frame {
        width: 100vw;
        height: var(--app-height);
        grid-template-columns: 100vw;
    }

    .messenger-page .chat-sidebar,
    .messenger-page .dialog-pane {
        position: absolute;
        inset: 0;
        width: 100vw;
        height: var(--app-height);
    }

    .messenger-page .chat-sidebar {
        z-index: 1;
        display: grid;
        border-right: 0;
        transform: translate3d(0, 0, 0);
        transition: transform var(--swipe-open-duration) var(--swipe-easing);
        will-change: transform;
    }

    .messenger-page .dialog-pane {
        z-index: 2;
        transform: translate3d(100vw, 0, 0);
        transition: transform var(--swipe-open-duration) var(--swipe-easing);
        box-shadow: -18px 0 40px var(--dialog-shadow);
        will-change: transform;
    }

    .messenger-page[data-view="dialog"] .dialog-pane {
        transform: translate3d(var(--swipe-offset), 0, 0);
    }

    .messenger-page[data-view="dialog"] .chat-sidebar {
        transform: translate3d(var(--underlay-offset), 0, 0);
        pointer-events: none;
    }

    .messenger-page[data-swiping="true"] .dialog-pane,
    .messenger-page[data-swiping="true"] .chat-sidebar {
        transition: none;
    }

    .messenger-page[data-closing="true"] .dialog-pane,
    .messenger-page[data-closing="true"] .chat-sidebar {
        transition-duration: var(--swipe-close-duration);
        transition-timing-function: var(--swipe-close-easing);
    }

    .messenger-page .edge-swipe-zone {
        position: absolute;
        top: 0;
        bottom: 0;
        left: 0;
        z-index: 6;
        display: block;
        width: var(--edge-swipe-width);
        background: transparent;
        pointer-events: auto;
        touch-action: none;
    }

    .messenger-page .dialog-header {
        grid-template-columns: 44px 42px minmax(0, 1fr) 44px 44px;
    }

    .messenger-page .conversation-back-button {
        display: inline-grid;
    }

    .messenger-page .messages-list {
        padding: 14px 10px;
    }

    .messenger-page .chat-list {
        scrollbar-width: none;
    }

    .messenger-page .chat-list::-webkit-scrollbar {
        display: none;
    }

    .messenger-page .message-bubble {
        max-width: 84%;
    }

    .messenger-page .composer {
        gap: 6px;
        padding-right: 8px;
        padding-left: 8px;
    }
}

@media (max-width: 380px) {
    .messenger-page .brand-copy strong {
        font-size: 18px;
    }

    .messenger-page .dialog-header,
    .messenger-page .composer {
        gap: 4px;
        padding-right: 8px;
        padding-left: 8px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .messenger-page .app-frame,
    .messenger-page .chat-sidebar,
    .messenger-page .dialog-pane,
    .messenger-page .icon-button {
        transition: none;
    }
}