/*
  ----------------------------------------
  UI Components
  ----------------------------------------
*/

@layer styles {
  .ui-pwa-status-surface { display: none; }

  /* WebKit samples opaque fixed backgrounds at the viewport edge. An empty
     text clip keeps this iOS PWA blur workaround unpainted.
     11px exceeds WebKit's 10px thin-border threshold; do not hide with opacity.
     See docs/11-team-chat.md for sources and real-device verification limits. */
  @supports (-webkit-touch-callout: none) and ((background-clip: text) or (-webkit-background-clip: text)) {
    @media (display-mode: standalone) {
      .ui-pwa-status-surface {
        display: block;
        position: fixed;
        inset: 0 0 auto;
        height: 11px;
        z-index: 1000;
        pointer-events: none;
        background-color: inherit;
        -webkit-background-clip: text;
        background-clip: text;
      }
    }
  }

    /* Buttons
  ---------------------------------- */
    .ui-button {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        padding: 0 var(--space-sm);
        line-height: 2.2;
        border-radius: var(--rounded);
        border: var(--border) solid var(--white);
        box-shadow: var(--shadow-sm);
        background: var(--white);
        font-weight: 600;
        color: var(--darker);
        transition: all 70ms ease;
        cursor: pointer;
        background: var(--lighter);
        text-decoration: none;
        transition: all 200ms ease;
        margin: 0;

        &:hover {
            filter: brightness(1.1);
            box-shadow: var(--shadow);
        }

        &:active {
            transform: translateY(0.5px);
            box-shadow: none;
        }

        &:disabled {
            opacity: 0.5;
            cursor: not-allowed;
        }

        &.ui-brand-1 {
            background: var(--brand-1);
            color: var(--white);
            border-color: var(--white);
        }

        &.ui-brand-2 {
            background: var(--brand-2);
            color: var(--white);
            border-color: var(--white);
        }

        &.ui-brand-3 {
            background: var(--brand-3);
            color: var(--white);
            border-color: var(--white);
        }

        &.ui-brand-4 {
            background: var(--brand-4);
            color: var(--white);
            border-color: var(--white);
        }

        &.ui-neutral {
            background: var(--midtone);
            color: var(--white);
            border-color: var(--white);
        }

        &.ui-info {
            background: var(--info);
            color: var(--white);
            border-color: var(--white);
        }

        &.ui-success {
            background: var(--success);
            color: var(--white);
            border-color: var(--white);
        }

        &.ui-warning {
            background: var(--warning);
            color: var(--white);
            border-color: var(--white);
        }

        &.ui-error {
            background: var(--error);
            color: var(--white);
            border-color: var(--white);
        }
    }

    /* Buttons mini-round */
    .ui-button-mini-round {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 1.5rem;
        height: 1.5rem;
        border-radius: 9999px;
        background: var(--lighter);
        color: var(--brand-1);
        box-shadow: var(--shadow-sm);
        transition: all 250ms ease;

        &:hover {
            background: var(--brand-1);
            color: var(--lighter);
        }
    }

    /* Hamburger Button
  ---------------------------------- */
    .ui-hamburger-button {
        --button-width: 30px;
        --button-height: 24px;
        --line-thickness: 3px;
        --line-color: var(--darker);
        --line-radius: 2px;
        --number-of-spins: 5;
        --duration: 0.15s;
        --focus-color: rgba(0, 0, 0, 0.2);

        position: relative;
        display: block;
        width: var(--button-width);
        height: var(--button-height);
        cursor: pointer;
        outline: none;

        .line-1,
        .line-2,
        .line-3 {
            position: absolute;
            display: block;
            width: 100%;
            height: var(--line-thickness);
            background-color: var(--line-color);
            border-radius: var(--line-radius);
            transition: all var(--duration) ease-in-out;
        }

        .line-2 {
            top: calc(50% - var(--line-thickness) / 2);
        }

        .line-3 {
            bottom: 0;
        }

        /* Hamburger animate */
        [data-ui-hamburger-open-value="true"] & {
            .line-1 {
                transform: translateY(
                        calc(
                            var(--button-height) / 2 - var(--line-thickness) / 2
                        )
                    )
                    rotate(calc(-1 * 45deg * var(--number-of-spins)));
            }
            .line-2 {
                opacity: 0;
            }
            .line-3 {
                transform: translateY(
                        calc(
                            -1 *
                                (
                                    var(--button-height) / 2 -
                                        var(--line-thickness) / 2
                                )
                        )
                    )
                    rotate(calc(45deg * var(--number-of-spins)));
            }
        }
    }

    /* Hamburger Menu
    ---------------------------------- */
    .ui-hamburger-menu {
        position: fixed;
        right: 0;
        top: 4rem;
        bottom: 0;
        z-index: 90;
        width: 100%;
        background-color: rgba(0, 0, 0, 0.9);
        backdrop-filter: blur(10px);
        box-shadow: 0 10px 15px -3px rgb(0 0 0 / 0.1);
        transition:
            transform 120ms ease-in-out,
            visibility 0s 120ms;
        transform: translateX(100%);
        overflow-y: auto;
        visibility: hidden;

        /* Show menu when hamburger is open */
        [data-ui-hamburger-open-value="true"] & {
            visibility: visible;
            transform: translateX(0);
            transition:
                transform 120ms ease-in-out,
                visibility 0s 0s;
        }
    }

    /* Avatar
  ---------------------------------- */
    .ui-avatar {
        &[data-size="sm"] {
            --avatar-size: 1.5rem;
            --initials-font-size: 0.7rem;
        }

        /* Medium is the default */
        &[data-size="md"] {
            --avatar-size: 2.5rem;
            --initials-font-size: 1rem;
        }

        &[data-size="lg"] {
            --avatar-size: 7.5rem;
            --initials-font-size: 3rem;
        }

        width: var(--avatar-size);
        height: var(--avatar-size);
        border-radius: 9999px;
        outline: var(--border-lg) solid var(--white);
        background: var(--brand-1);
        color: var(--white);
        overflow: hidden;
        box-shadow: var(--shadow);

        .initials {
            font-size: var(--initials-font-size);
            line-height: 1;
        }
    }

    /* Toast
  ---------------------------------- */
    .ui-toast {
        position: fixed;
        display: flex;
        top: 1rem;
        left: 50%;
        transform: translateX(-50%);
        z-index: 9999;
        align-items: center;
        gap: var(--space-xs);
        min-width: 24rem;
        padding: var(--space-sm) var(--space-sm);
        border-radius: var(--rounded);
        box-shadow: var(--shadow);
        background: var(--darker);
        color: var(--light);
        border-left: 6px solid;
        animation: ephemeral 8s both;

        svg {
            flex-shrink: 0;
            border-radius: 50%;
        }

        span {
            flex: 1;
        }

        .ui-toast-close {
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            border: none;
            border-radius: 100%;
            width: 1.6rem;
            height: 1.6rem;

            &:hover {
                color: var(--white);
                background-color: var(--black);
            }
        }

        &.ui-toast-success {
            border-left-color: var(--success);

            svg.icon {
                color: var(--success);
            }
        }

        &.ui-toast-error {
            border-left-color: var(--error);

            svg.icon {
                color: var(--error);
            }
        }
    }

    /* Dropdown
  ---------------------------------- */
    .ui-dropdown {
        position: relative;
        display: inline-block;

        menu,
        ul {
            position: absolute;
            top: 100%;
            right: 0;
            z-index: 100;
            min-width: 12rem;
            margin-top: var(--space-2xs);
            padding: var(--space-2xs);
            background: var(--white);
            border-radius: var(--rounded);
            box-shadow: var(--shadow);
            list-style: none;
            opacity: 0;
            visibility: hidden;
            transform: translateY(-8px);
            transition:
                opacity 150ms ease-in-out,
                transform 150ms ease-in-out,
                visibility 0s 150ms;

            li {
                margin: 0;
            }

            a,
            button {
                display: flex;
                align-items: center;
                gap: var(--space-2xs);
                width: 100%;
                padding: var(--space-2xs) var(--space-xs);
                border-radius: var(--rounded-sm);
                text-decoration: none;
                color: var(--darker);
                background: transparent;
                border: none;
                cursor: pointer;
                transition: background-color 100ms ease;

                &:hover {
                    background-color: var(--lighter);
                }

                svg {
                    flex-shrink: 0;
                }
            }
        }

        /* Show menu when dropdown is open */
        &.is-open menu,
        &.is-open ul {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
            transition:
                opacity 150ms ease-in-out,
                transform 150ms ease-in-out,
                visibility 0s 0s;
        }
    }


    /* Dropdown (Inline)
  ---------------------------------- */
    .ui-dropdown.ui-dropdown-inline {
        display: block;
        width: 100%;

        menu,
        ul {
            position: static;
            min-width: 0;
            margin-top: var(--space-2xs);
            padding: 0 0 0 var(--space-sm);
            background: transparent;
            box-shadow: none;
            display: none;
            opacity: 1;
            visibility: visible;
            transform: none;
            transition: none;
        }

        &.is-open menu,
        &.is-open ul {
            display: flex;
            flex-direction: column;
            gap: var(--space-2xs);
        }
    }

    /* Auth Verify OTP Input
  ---------------------------------- */
    .ui-auth-verify {
        display: flex;
        justify-content: center;

        .ui-auth-verify-digits {
            display: flex;
            gap: var(--space-xs);

            input {
                width: 3rem;
                height: 3.5rem;
                padding: 0;
                font-size: 1.5rem;
                font-weight: 700;
                text-align: center;
                border: var(--border-lg) solid var(--light);
                border-radius: var(--rounded);
                background: var(--white);
                color: var(--darker);
                transition:
                    border-color 150ms ease,
                    box-shadow 150ms ease;

                &:focus {
                    outline: none;
                    border-color: var(--brand-1);
                    box-shadow: 0 0 0 3px
                        color-mix(in srgb, var(--brand-1) 20%, transparent);
                }

                &::placeholder {
                    color: var(--midtone);
                }
            }
        }
    }
}

@layer styles {
  .ui-chat { margin: 0; overflow: hidden; font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }
  .ui-chat-shell { height: 100dvh; height: 100svh; height: 100dvh; min-height: 0; }
  .ui-chat-sidebar { width: clamp(14rem, 19vw, 16rem); flex-shrink: 0; background: var(--workspace-rail); }
  .ui-chat-wordmark { display: flex; align-items: center; min-height: 2rem; width: 6rem; max-width: 100%; color: var(--darker); text-decoration: none; }
  .ui-chat-wordmark svg { display: block; width: 100%; height: auto; }
  .ui-chat-frame { height: 100dvh; min-height: 0; }
  .ui-chat-frame > .ui-chat-shell { height: auto; flex: 1; min-height: 0; }
  .ui-push-onboarding { container-type: inline-size; padding: var(--space-sm) var(--space-md); border-bottom: 1px solid var(--light); background: var(--workspace-rail); flex-shrink: 0; }
  .ui-push-onboarding-content { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; align-items: center; gap: var(--space-sm); }
  .ui-push-onboarding-content > .ui-push-onboarding-icon { align-self: start; }
  .ui-push-onboarding-content p { overflow-wrap: anywhere; }
  .ui-push-onboarding-actions { justify-content: flex-end; }
  .ui-push-onboarding-icon { color: var(--brand-1); margin-top: .125rem; flex-shrink: 0; }
  .ui-push-onboarding p { max-width: 42rem; }
  #push-onboarding-status:empty { display: none; }
  .ui-chat .ui-push-onboarding .ui-button, .ui-chat .ui-device-setup .ui-button { min-height: 2.75rem; }
  @container (max-width: 48rem) {
    .ui-push-onboarding-content { grid-template-columns: auto minmax(0, 1fr); row-gap: var(--space-xs); }
    .ui-push-onboarding-actions { grid-column: 2; justify-content: flex-start; }
  }
  @container (max-width: 26rem) {
    .ui-push-onboarding-actions { grid-column: 1 / -1; }
    .ui-push-onboarding-actions > [data-push-enable] { flex: 1; }
  }
  .ui-install-instructions { display: grid; grid-template-columns: minmax(0, 1fr) 10rem; gap: var(--space-lg); align-items: start; }
  .ui-install-steps { margin: 0; padding-left: 1.4rem; }
  .ui-install-steps li { padding-left: .25rem; margin-bottom: var(--space-sm); line-height: 1.65; overflow-wrap: anywhere; }
  .ui-install-steps :is(svg, .ui-install-menu-icon) { display: inline-block; vertical-align: middle; width: auto; height: 1.25rem; }
  .ui-install-menu-icon { background: #fff; border-radius: .25rem; padding: .125rem; }
  .ui-install-example { margin: 0; }
  .ui-install-example img { width: 100%; height: auto; display: block; }
  .ui-install-example figcaption { margin-top: var(--space-xs); }
  .ui-device-setup form.simple_form.ui-device-guide-picker { max-width: 22rem; }
  .ui-device-setup [data-install-status]:empty { display: none; }
  @media (max-width: 600px) {
    .ui-install-instructions { grid-template-columns: minmax(0, 1fr); }
    .ui-install-example { width: 12rem; max-width: 100%; }
  }
  .ui-chat-workspace { font-weight: 600; overflow-wrap: anywhere; }
  .ui-chat-search .input { margin: 0; }
  .ui-chat-search input { width: 100%; min-width: 0; font-size: var(--text-base); }
  .ui-chat-conversations { flex: 1; overflow-y: auto; padding-bottom: 1rem; }
  .ui-chat-conversation { min-height: 2.75rem; padding: .25rem .5rem; border-radius: .5rem; color: var(--dark); text-decoration: none; transition: background-color 140ms ease; }
  .ui-chat-conversation:hover { background: var(--lighter); }
  .ui-chat-conversation.is-selected { color: var(--darker); background: var(--workspace-selected); }
  .ui-chat-conversation.is-unread { font-weight: 650; color: var(--darker); }
  .ui-chat-list-heading { min-height: 2.25rem; padding-inline: .5rem; }
  .ui-chat-list-heading .ui-chat-icon { width: 2.25rem; height: 2.25rem; }
  .ui-chat-channel-row { border-radius: .5rem; padding-right: .5rem; transition: background-color 140ms ease; }
  .ui-chat-channel-row:hover { background: var(--lighter); }
  .ui-chat-channel-row .ui-chat-conversation:hover { background: transparent; }
  .ui-chat-channel-row.is-selected { background: var(--workspace-selected); }
  .ui-chat-channel-row.is-selected .ui-chat-conversation { color: var(--darker); }
  .ui-chat-channel-row .ui-chat-channel-icon { width: 1.25rem; flex-shrink: 0; }
  form.simple_form.ui-chat-channel-notifications { flex-shrink: 0; gap: 0; }
  form.simple_form.ui-chat-channel-notifications > .input { margin: 0; min-width: 0; }
  form.simple_form.ui-chat-channel-notifications .ui-switch { min-height: 2.75rem; }
  .ui-chat-direct-target { margin: 0; }
  button.ui-chat-conversation { border: 0; background: transparent; cursor: pointer; font: inherit; }
  button.ui-chat-conversation:hover { background: var(--lighter); }
  .ui-chat-conversation-label { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .ui-chat-unread { min-width: 1.375rem; padding: .0625rem .375rem; border-radius: 1rem; text-align: center; background: var(--brand-1); color: var(--workspace-action-ink); font-size: .75rem; font-weight: 700; }
  .ui-chat-channel-icon { width: 2rem; height: 2rem; display: grid; place-items: center; color: var(--dark); }
  .ui-chat-avatar { display: inline-grid; place-items: center; width: 2.25rem; height: 2.25rem; flex-shrink: 0; border-radius: .6rem; background: #b3a3db; color: #241b38; font-size: .8125rem; font-weight: 650; }
  .ui-chat-avatar-1 { background: #94c3dd; color: #142f40; }
  .ui-chat-avatar-2 { background: #dfc18e; color: #382c17; }
  .ui-chat-avatar-3 { background: #9bceb6; color: #173a2a; }
  .ui-chat-conversation .ui-chat-avatar { width: 1.75rem; height: 1.75rem; font-size: .6875rem; }
  .ui-chat-account { border-top: 1px solid var(--light); padding-block: .5rem max(.5rem, env(safe-area-inset-bottom)); }
  .ui-chat-icon { display: inline-flex; align-items: center; justify-content: center; width: 2.5rem; height: 2.5rem; border-radius: .5rem; color: var(--dark); text-decoration: none; }
  .ui-chat-icon:hover { color: var(--darker); background: var(--lighter); }
  .ui-chat-main { background: var(--workspace-ground); overflow: hidden; }
  .ui-chat-header { min-height: 4rem; padding: .5rem var(--chat-gutter); border-bottom: 1px solid var(--light); flex-shrink: 0; }
  .ui-chat-header h1 { overflow-wrap: anywhere; }
  .ui-chat-member-count { display: inline-flex; align-items: center; justify-content: center; gap: .375rem; min-height: 2.75rem; padding: .375rem .625rem; border: 1px solid var(--workspace-field-line); border-radius: .375rem; background: transparent; color: var(--dark); font: inherit; font-size: .8125rem; white-space: nowrap; cursor: pointer; box-shadow: none; }
  .ui-chat-member-count:hover { background: var(--lighter); color: var(--darker); }
  .ui-chat-member-count:focus-visible, .ui-chat-popover button:focus-visible, .ui-chat-emoji-trigger:focus-visible { outline: 2px solid var(--brand-1); outline-offset: 3px; }
  .ui-chat-popover { position: fixed; inset: auto; margin: 0; width: 22rem; max-width: calc(100vw - 1.5rem); max-height: calc(100dvh - 1.5rem); padding: 1rem; overflow: auto; border: 1px solid var(--workspace-field-line); border-radius: .75rem; background: var(--workspace-ground); color: var(--darker); box-shadow: none; }
  .ui-chat-popover-heading { margin-bottom: .5rem; }
  .ui-chat-popover-heading h2 { overflow-wrap: anywhere; }
  .ui-chat .ui-chat-popover .ui-chat-icon, .ui-chat .ui-chat-emoji-trigger { flex-shrink: 0; min-width: 2.75rem; min-height: 2.75rem; padding: 0; border: 0; background: transparent; box-shadow: none; cursor: pointer; }
  .ui-chat .ui-chat-popover .ui-chat-icon:hover, .ui-chat .ui-chat-emoji-trigger:hover { background: var(--lighter); }
  .ui-chat-member-list { list-style: none; padding: 0; margin: 0; }
  .ui-chat-member-list li { padding: .625rem 0; border-bottom: 1px solid var(--light); }
  .ui-chat-member-list li:last-child { border-bottom: 0; }
  .ui-chat-member-list span { overflow-wrap: anywhere; }
  .ui-chat-emoji-popover { padding: .5rem; }
  .ui-chat-emoji-popover .ui-chat-popover-heading { padding-left: .5rem; }
  .ui-chat-emoji-popover [data-emoji-status] { padding: .5rem; }
  .ui-chat-emoji-popover emoji-picker { display: block; width: 100%; height: 20.5rem; max-height: calc(100dvh - 9rem); --num-columns: 6; --indicator-color: var(--brand-1); --background: var(--workspace-ground); --border-color: var(--workspace-field-line); --border-size: 0; --button-hover-background: var(--field-bg); --button-active-background: var(--workspace-selected); --category-font-color: var(--midtone); --input-font-color: var(--darker); --input-placeholder-color: var(--midtone); --emoji-size: 1.5rem; --emoji-padding: .625rem; }
  .ui-chat-description { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .ui-chat-mobile-back, .ui-chat-mobile-settings { display: none; }
  form.simple_form.ui-chat-message-search { flex-direction: row; max-width: none; gap: var(--space-xs); }
  .ui-chat-search-results { max-width: 60rem; overflow-wrap: anywhere; }
  .ui-chat-search-result { padding-block: var(--space-sm); border-bottom: 1px solid var(--light); color: var(--darker); text-decoration: none; }
  .ui-chat-search-result:hover { background: var(--lighter); }
  .ui-chat-search-result mark { background: var(--workspace-selected); color: var(--black); }
  .ui-chat-search-excerpt { white-space: pre-wrap; overflow-wrap: anywhere; }
  .ui-chat-search-results > nav { flex-wrap: wrap; gap: var(--space-sm); }
  .ui-chat-search-results > nav ul { flex-wrap: wrap; }
  .ui-chat-search-results > nav a { display: inline-flex; align-items: center; justify-content: center; min-width: 2.75rem; min-height: 2.75rem; }
  .ui-chat .ui-chat-message-search .ui-button, .ui-chat .ui-chat-message-search input, .ui-chat .ui-chat-search [data-message-search-submit] { min-height: 2.75rem; }
  .ui-chat-message-scroll { min-height: 0; overflow-y: auto; overscroll-behavior: contain; scrollbar-gutter: stable; }
  .ui-chat-message-content { padding: .75rem var(--chat-gutter); }
  .ui-chat-message { padding-block: var(--chat-message-padding); }
  .ui-chat-message.is-notification-target { background: var(--workspace-selected); outline: 1px solid var(--brand-1); outline-offset: 2px; }
  .ui-chat-message > .ui-chat-avatar { width: 2rem; height: 2rem; border-radius: .5rem; }
  .ui-chat-message-body { white-space: pre-wrap; overflow-wrap: anywhere; line-height: var(--chat-message-leading); max-width: 75ch; }
  .ui-chat-message-time { font-size: var(--chat-timestamp-size); font-variant-numeric: tabular-nums; white-space: nowrap; }
  .ui-chat-date-divider { display: flex; align-items: center; gap: 0; margin-block: 1rem .5rem; color: var(--dark); }
  .ui-chat-date-divider:first-child { margin-top: .25rem; }
  .ui-chat-date-divider::before, .ui-chat-date-divider::after { content: ""; height: 1px; flex: 1; background: var(--light); }
  .ui-chat-date-divider time { padding: .25rem .875rem; border: 1px solid var(--light); border-radius: 1rem; font-size: var(--text-sm); font-weight: 600; text-align: center; }
  .ui-chat-file { width: fit-content; max-width: 100%; margin-top: .5rem; padding: .625rem .75rem; border: 1px solid var(--workspace-field-line); border-radius: .5rem; text-decoration: none; }
  .ui-chat-file span:first-of-type { overflow-wrap: anywhere; }
  .ui-chat-file svg { flex-shrink: 0; }
  .ui-chat-attachment { width: 32rem; max-width: 100%; margin: .75rem 0 0; }
  .ui-chat-image-frame { display: block; width: 100%; aspect-ratio: 16 / 10; overflow: hidden; border: 1px solid var(--workspace-field-line); border-radius: .5rem; background: var(--field-bg); }
  .ui-chat-image-frame img { display: block; width: 100%; height: 100%; object-fit: contain; }
  .ui-chat-video { display: block; width: 100%; aspect-ratio: 16 / 9; border-radius: .5rem; background: var(--workspace-rail); color-scheme: dark; }
  .ui-chat-audio { display: block; width: 100%; color-scheme: dark; }
  .ui-chat-pdf { display: block; width: 100%; height: 24rem; border: 1px solid var(--workspace-field-line); border-radius: .5rem; }
  .ui-chat-pdf[hidden], .ui-chat-pdf-fallback[hidden] { display: none; }
  .ui-chat-pdf-fallback { padding: 1rem; border: 1px solid var(--workspace-field-line); border-radius: .5rem; color: var(--darker); text-decoration: none; overflow-wrap: anywhere; }
  .ui-chat-pdf-fallback:hover { background: var(--lighter); }
  .ui-chat-pdf-fallback > span { min-width: 0; flex: 1; }
  .ui-chat-pdf-fallback > svg { flex-shrink: 0; }
  .ui-chat-attachment-download { width: fit-content; max-width: 100%; margin-top: .375rem; padding-block: .25rem; color: var(--dark); text-decoration: none; font-size: .8125rem; }
  .ui-chat-attachment-download:hover { color: var(--brand-1); text-decoration: underline; }
  .ui-chat-attachment-download span:first-of-type { overflow-wrap: anywhere; }
  .ui-chat-attachment-download :is(svg, span:last-child) { flex-shrink: 0; }
  .ui-chat-composer-wrap { --container-padding: var(--chat-gutter) var(--chat-gutter) max(var(--chat-gutter), env(safe-area-inset-bottom)); flex-shrink: 0; }
  .ui-chat-composer { --field-placeholder-color: color-mix(in srgb, var(--midtone) 78%, var(--field-bg)); padding: .375rem; border: 1px solid var(--workspace-field-line); border-radius: .625rem; background: var(--field-bg); }
  .ui-chat-composer:focus-within { border-color: var(--brand-1); }
  .ui-chat-composer .input { margin: 0; }
  .ui-chat-composer #attachment-names { min-width: 0; overflow-wrap: anywhere; }
  .ui-chat-composer .ui-attachment, .ui-chat .ui-chat-composer :is(.ui-chat-emoji-trigger, .ui-chat-send) { width: 2rem; height: 2rem; min-width: 2rem; min-height: 2rem; flex-shrink: 0; }
  .ui-chat-composer .ui-attachment svg { width: 1rem; height: 1rem; }
  .ui-chat .ui-chat-composer .ui-chat-send { padding: 0; border: 0; background: transparent; box-shadow: none; cursor: pointer; }
  .ui-chat .ui-chat-composer .ui-chat-send:hover { color: var(--brand-1); background: var(--workspace-button-hover); }
  .ui-chat .ui-chat-composer .ui-chat-emoji-trigger:hover { background: var(--workspace-button-hover); }
  .ui-chat-send:focus-visible { outline: 2px solid var(--brand-1); outline-offset: 3px; }
  .ui-chat-send:disabled { opacity: .5; cursor: wait; }
  .ui-chat-composer textarea { width: 100%; min-height: 2.5rem; max-height: 5rem; resize: none; border: 0; box-shadow: none; background: transparent; padding: .25rem; color: var(--darker); font-family: inherit; line-height: 1.5; }
  .ui-chat-composer textarea:focus { outline: 0; box-shadow: none; }
  .ui-chat-composer .error { color: var(--error); display: block; }
  .ui-attachment { position: relative; width: 2.5rem; height: 2.5rem; display: grid; place-items: center; color: var(--dark); border-radius: .375rem; }
  .ui-attachment:hover { background: var(--workspace-button-hover); }
  .ui-attachment:focus-within { outline: 2px solid var(--brand-1); outline-offset: 2px; }
  .ui-attachment input[type=file] { position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0; cursor: pointer; }
  .ui-chat-empty { padding: 3rem 0; }
  .ui-chat-welcome { text-align: center; }
  .ui-chat-welcome > svg { color: var(--brand-1); }
  .ui-chat-settings-container { --container-max: 56rem; --container-padding: 0 var(--chat-gutter); width: 100%; max-width: 56rem; min-width: 0; }
  .ui-chat-settings-header { display: flex; align-items: center; padding-inline: 0; }
  .ui-settings-back { display: inline-flex; align-items: center; gap: var(--space-xs); min-height: 2.75rem; text-decoration: none; flex-shrink: 0; }
  .ui-settings-back:hover { text-decoration: underline; }
  .ui-settings-tabs { flex-shrink: 0; border-bottom: 1px solid var(--light); }
  .ui-settings-scroll { flex: 1; min-height: 0; overflow-y: auto; overscroll-behavior: contain; scrollbar-width: thin; scrollbar-gutter: stable both-edges; }
  .ui-settings-scroll:focus-visible { outline: 2px solid var(--brand-1); outline-offset: -2px; }
  .ui-chat-settings { --container-padding: calc(2 * var(--space-md)) var(--chat-gutter) max(calc(2 * var(--space-md)), env(safe-area-inset-bottom)); }
  .ui-chat-settings-section { display: flex; flex-direction: column; gap: var(--space-md); padding-block: calc(2 * var(--space-md)); border-bottom: 1px solid var(--light); }
  .ui-chat-settings-section:first-child { padding-top: 0; }
  .ui-chat-settings-section:last-child { border-bottom: 0; padding-bottom: 0; }
  .ui-chat-settings h2 { font-size: var(--text-lg); margin: 0; overflow-wrap: anywhere; }
  .ui-chat-settings-section:first-child h2 { font-size: var(--text-xl); }
  .ui-chat-settings p { margin: 0; max-width: 65ch; }
  .ui-chat-settings form.simple_form { width: 100%; max-width: 34rem; gap: calc(1.5 * var(--space-md)); --field-height: 2.75rem; }
  .ui-chat-settings .input { margin: 0; }
  .ui-chat .ui-chat-settings .ui-button { min-height: 2.75rem; }
  .ui-chat-settings [data-push-status]:empty { display: none; }
  .ui-profile-photo-preview { flex-shrink: 0; width: 5rem; height: 5rem; }
  .ui-profile-photo-preview .ui-chat-avatar { width: 100%; height: 100%; border-radius: .75rem; font-size: 1.5rem; }
  .ui-profile form.simple_form :is(.form-row, .ui-profile-photo) .input { min-width: 0; }
  .ui-profile form.simple_form .form-row { gap: var(--space-sm); }
  .ui-profile .form-row input { min-height: 2.75rem; }
  .ui-profile form.simple_form .input .hint { margin: var(--space-xs) 0 0; font-size: var(--text-sm); line-height: 1.5; }
  .ui-profile form.simple_form .input .error { margin: var(--space-xs) 0 0; }
  .ui-profile-account { display: inline-flex; align-items: center; min-height: 2.75rem; }
  form.simple_form .input .ui-file-button { position: relative; display: inline-flex; align-self: flex-start; max-width: 100%; }
  form.simple_form .input .ui-file-button .ui-button { display: inline-flex; align-items: center; justify-content: center; min-height: 2.75rem; }
  form.simple_form .input .ui-file-button input[type=file] { position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0; padding: 0; cursor: pointer; transition: none; }
  .ui-file-button:focus-within { outline: 2px solid var(--field-focus-color); outline-offset: 3px; border-radius: var(--field-border-radius); }
  .ui-file-button:hover .ui-button { background: var(--workspace-button-hover, var(--lighter)); }
  @media (max-width: 600px) {
    .ui-profile form.simple_form .form-row { flex-direction: column; }
  }
  .ui-settings-nav { gap: var(--space-md); }
  .ui-settings-nav-link { display: inline-flex; align-items: center; justify-content: center; min-height: 3.25rem; padding: var(--space-xs) var(--space-sm); border-bottom: 2px solid transparent; color: var(--dark); font-weight: 600; text-decoration: none; }
  .ui-settings-nav-link:hover { color: var(--darker); background: var(--lighter); }
  .ui-settings-nav-link[aria-current="page"] { color: var(--brand-1); border-bottom-color: var(--brand-1); }
  .ui-chat-settings .ui-chat-member { padding-block: calc(1.25 * var(--space-md)); }
  .ui-settings-teammate { display: flex; }
  .ui-chat-settings .ui-chat-member .ui-settings-wrap { margin-top: var(--space-3xs); }
  .ui-settings-wrap { overflow-wrap: anywhere; }
  .ui-chat .ui-settings-danger { color: var(--error); }
  .ui-settings-form :is(.checkbox, .radio) > label { min-height: 2.75rem; }
  .ui-chat .ui-chat-settings .ui-settings-form input[type="checkbox"]:checked::after { border-color: var(--workspace-action-ink); }
  .ui-chat-person { background: transparent; color: var(--darker); border: 0; border-radius: .5rem; padding: .875rem .5rem; cursor: pointer; }
  .ui-chat-person:hover { background: var(--lighter); }
  .ui-chat-member { padding: 1rem 0; border-bottom: 1px solid var(--light); }
  .ui-chat-member:last-child { border-bottom: 0; }
  .ui-chat-notice { padding: .625rem 1rem; background: var(--brand-1-light); color: var(--darker); }
  .ui-chat-connection { position: absolute; top: var(--space-xs); left: 50%; transform: translateX(-50%); z-index: 1; width: max-content; max-width: calc(100% - 2 * var(--space-md)); padding: .5rem .875rem; border-radius: var(--rounded); background: var(--brand-1-light); color: var(--darker); pointer-events: none; }
  .ui-chat-member-actions { flex-wrap: wrap; }
  .ui-chat [hidden] { display: none !important; }
  @media (max-width: 700px) {
    .ui-chat-sidebar { display: none; }
    .ui-chat-list-view .ui-chat-sidebar { display: flex; width: 100%; }
    .ui-chat-list-view .ui-chat-main { display: none; }
    .ui-chat-mobile-back { display: inline-flex; align-items: center; color: var(--brand-1); text-decoration: none; gap: .125rem; min-height: 2.75rem; margin-left: -.5rem; }
    .ui-chat-mobile-settings { display: inline-flex; }
    .ui-chat-header { min-height: 4rem; padding: .5rem 1rem; gap: .625rem; }
    .ui-chat-list-heading .ui-chat-icon, .ui-chat-account .ui-chat-icon { min-width: 2.75rem; min-height: 2.75rem; }
    .ui-chat-list-heading { min-height: 2.75rem; }
    .ui-chat-search input { min-height: 2.75rem; }
    .ui-chat-composer .ui-attachment, .ui-chat .ui-chat-composer :is(.ui-chat-emoji-trigger, .ui-chat-send) { width: 2.75rem; height: 2.75rem; min-width: 2.75rem; min-height: 2.75rem; }
    .ui-chat-member-label, .ui-chat-header > svg { display: none; }
    .ui-chat-member-count { min-width: 2.75rem; padding-inline: .375rem; }
    .ui-chat-description { max-width: 45vw; font-size: .75rem; }
    .ui-chat-message-content { padding-top: 1rem; }
    .ui-chat-message { gap: .625rem; }
    .ui-chat-message .ui-chat-avatar { width: 2rem; height: 2rem; }
    .ui-chat-member { align-items: flex-start; flex-wrap: wrap; }
    .ui-chat-member-actions { margin-left: 2.875rem; }
    .ui-chat-settings-header { padding-inline: 0; }
    .ui-chat-settings { --container-padding: var(--space-md) var(--chat-gutter) max(calc(2 * var(--space-md)), env(safe-area-inset-bottom)); }
    .ui-settings-nav { gap: var(--space-xs); }
    .ui-chat-settings .ui-settings-teammate { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; row-gap: var(--space-xs); }
    .ui-settings-teammate > .ui-chat-avatar { grid-column: 1; grid-row: 1 / 3; }
    .ui-settings-teammate > div { grid-column: 2; grid-row: 1; }
    .ui-settings-teammate > span { grid-column: 2; grid-row: 2; }
    .ui-settings-teammate > .ui-button { grid-column: 3; grid-row: 1 / 3; align-self: center; }
  }
  @media (prefers-reduced-motion: reduce) {
    .ui-chat-conversation, .ui-chat-channel-row { transition: none; }
  }
}

@layer styles {
  .ui-switch { display: inline-flex; align-items: center; gap: .625rem; position: relative; min-height: 2rem; cursor: pointer; font-size: .8125rem; font-weight: 600; }
  .ui-switch-input { position: absolute; left: 0; width: 2.375rem; height: 1.5rem; opacity: 0; cursor: pointer; }
  .ui-switch-track { display: block; width: 2.375rem; height: 1.375rem; border-radius: 1rem; background: #52616e; padding: .1875rem; transition: background-color 160ms ease; }
  .ui-switch-track::after { content: ""; display: block; width: 1rem; height: 1rem; border-radius: 50%; background: #f3f7f8; transition: transform 160ms ease; }
  .ui-switch-input:checked + .ui-switch-track { background: #489f85; }
  .ui-switch-input:checked + .ui-switch-track::after { transform: translateX(1rem); }
  .ui-switch-input:focus-visible + .ui-switch-track { outline: 2px solid var(--brand-1); outline-offset: 3px; }
  .ui-switch-input:disabled + .ui-switch-track { opacity: .5; }
  @media (prefers-reduced-motion: reduce) { .ui-switch-track, .ui-switch-track::after { transition: none; } }
}

@layer styles {
  .ui-chat { --container-padding: 0 var(--chat-gutter); }
  form.simple_form.ui-chat-composer { max-width: none; gap: .375rem; }
  .ui-chat form.simple_form.ui-chat-composer .input textarea { border: 0; background: transparent; padding: .25rem; min-height: 2.5rem; max-height: 5rem; height: auto; field-sizing: content; resize: none; overflow-y: auto; transition: none; }
  .ui-chat form.simple_form.ui-chat-composer .input textarea:focus { outline: none; box-shadow: none; }
  .ui-chat form.simple_form.ui-chat-composer .ui-attachment input[type=file] { height: 100%; padding: 0; }
  form.simple_form .input label.ui-switch { display: inline-flex; flex-direction: row; justify-content: flex-start; align-items: center; gap: .625rem; }
  form.simple_form .input input.ui-switch-input[type=checkbox] { position: absolute; left: 0; opacity: 0; width: 2.375rem; height: 1.5rem; margin: 0; cursor: pointer; }
}

@layer styles {
  form.simple_form .input input.ui-switch-input[type=checkbox] { z-index: 1; }
}

@layer styles {
  .ui-chat-sidebar, .ui-chat-main { display: flex; }
  @media (max-width: 700px) {
    .ui-chat-sidebar { display: none; }
    .ui-chat-list-view .ui-chat-sidebar { display: flex; }
    .ui-chat-list-view .ui-chat-main { display: none; }
  }
}

@layer styles {
  form.simple_form.ui-chat-composer .ui-chat-attach .input { min-width: 0; }
  #attachment-names { min-width: 0; overflow-wrap: anywhere; }
}

@layer styles {
  /* Channel preference switches stay secondary to conversation names. */
  :is(.ui-chat-channel-notifications, .ui-chat-notifications) .ui-switch-track,
  :is(.ui-chat-channel-notifications, .ui-chat-notifications) .ui-switch-input:checked + .ui-switch-track { background: var(--workspace-switch-track); box-shadow: none; }
}

@layer styles {
  form.simple_form .input label.ui-switch-icons { min-width: 2.75rem; min-height: 2.75rem; justify-content: center; gap: 0; }
  .ui-switch-icons .ui-switch-track { width: 2rem; height: 1.25rem; padding: .125rem; flex-shrink: 0; }
  .ui-switch-icons .ui-switch-track::after { display: none; }
  .ui-switch-thumb { display: grid; place-items: center; width: 1rem; height: 1rem; border-radius: 50%; background: color-mix(in srgb, var(--workspace-switch-thumb) 50%, transparent); color: var(--workspace-switch-icon); transition: transform 160ms ease; }
  .ui-switch-icon-on { display: none; fill: currentColor; opacity: 1; }
  .ui-switch-icon-off { stroke-width: 2.5; opacity: .4; }
  .ui-switch-input:checked + .ui-switch-track .ui-switch-thumb { transform: translateX(.75rem); background: var(--workspace-switch-thumb); }
  .ui-switch-input:checked + .ui-switch-track .ui-switch-icon-on { display: block; }
  .ui-switch-input:checked + .ui-switch-track .ui-switch-icon-off { display: none; }
  form.simple_form .input label.ui-switch-icons input.ui-switch-input[type=checkbox] { inset: 0; width: 100%; height: 100%; }
  .ui-chat-channel-row:not(.is-selected):not(:hover) .ui-switch-track { background: var(--lighter); }
  @media (prefers-reduced-motion: reduce) { .ui-switch-thumb { transition: none; } }
}