/* Operator-inspired chat workspace. This file intentionally overrides only the
   Chat view, leaving pipelines, admin and the other application views intact. */

#view-chat.active { display: flex; min-width: 0; min-height: 0; }

#view-chat .sidebar {
    width: 268px;
    min-width: 220px;
    padding: 14px;
    background: color-mix(in srgb, var(--color-neutral-900) 84%, var(--color-neutral-800));
}

#view-chat.chat-sidebar-hidden .sidebar,
#view-chat.chat-sidebar-hidden .resize-handle-x { display: none; }

#view-chat .chat-panel-resizer {
    width: 11px;
    min-width: 11px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-neutral-900);
    border-left: 1px solid color-mix(in srgb, var(--color-neutral-500) 45%, transparent);
    border-right: 1px solid color-mix(in srgb, var(--color-neutral-500) 45%, transparent);
    outline: 0;
    touch-action: none;
}
#view-chat .chat-panel-resizer > span {
    width: 3px;
    height: 48px;
    border-radius: 999px;
    background: var(--color-neutral-500);
    transition: height .15s, background .15s, box-shadow .15s;
}
#view-chat .chat-panel-resizer:hover,
#view-chat .chat-panel-resizer.dragging,
#view-chat .chat-panel-resizer:focus-visible { background: var(--color-neutral-800); }
#view-chat .chat-panel-resizer:hover > span,
#view-chat .chat-panel-resizer.dragging > span,
#view-chat .chat-panel-resizer:focus-visible > span {
    height: 72px;
    background: var(--color-accent-500);
    box-shadow: 0 0 10px color-mix(in srgb, var(--color-accent-500) 55%, transparent);
}

#view-chat .sidebar .card {
    border-radius: 12px;
    border-color: color-mix(in srgb, var(--color-neutral-500) 70%, transparent);
    box-shadow: none;
}

.kb-active-destination {
    margin: -2px 0 10px;
    padding: 8px 9px;
    border-radius: 8px;
    background: var(--color-neutral-800);
    color: var(--color-neutral-300);
    font-size: 10px;
    line-height: 1.45;
}

#view-chat .main {
    overflow: hidden;
    background:
        radial-gradient(circle at 50% -20%, color-mix(in srgb, var(--color-accent-500) 8%, transparent), transparent 42rem),
        var(--color-neutral-800);
}

#view-chat .chat-topbar {
    min-height: 62px;
    padding: 9px 18px;
    gap: 12px;
    background: color-mix(in srgb, var(--color-neutral-900) 90%, transparent);
    border-bottom-color: color-mix(in srgb, var(--color-neutral-500) 70%, transparent);
}

.chat-topbar-title, .chat-topbar-actions { display: flex; align-items: center; gap: 10px; }
.chat-topbar-title { min-width: 0; flex: 1; }
.chat-topbar-title > div { min-width: 0; }
.chat-topbar-title h1 { margin: 0 0 2px; font-size: 14px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.chat-topbar-title p { margin: 0; color: var(--color-neutral-300); font-size: 10.5px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.chat-icon-btn, .chat-new-btn, .chat-clear-btn {
    border: 1px solid var(--color-neutral-500);
    background: var(--color-neutral-700);
    color: var(--color-neutral-200);
    cursor: pointer;
    transition: background .15s, border-color .15s, color .15s;
}
.chat-icon-btn:hover, .chat-new-btn:hover, .chat-clear-btn:hover { background: var(--color-neutral-600); border-color: var(--color-neutral-400); color: var(--color-neutral-100); }
.chat-icon-btn { width: 36px; height: 36px; padding: 8px; display: grid; place-items: center; border-radius: 10px; flex: 0 0 auto; }
.chat-icon-btn svg { width: 17px; height: 17px; }
.chat-new-btn { height: 36px; display: flex; align-items: center; gap: 7px; padding: 0 12px; border-radius: 10px; font-size: 11px; font-weight: 700; white-space: nowrap; }
.chat-new-btn svg { width: 15px; height: 15px; }
.chat-clear-btn { padding: 5px 9px; border-radius: 8px; font-size: 10px; }

#view-chat .autonomy-controls {
    margin-left: 0;
    padding-left: 10px;
    border-left: 1px solid var(--color-neutral-600);
}
#view-chat .autonomy-label { font-size: 10px; }
#view-chat .toggle-switch { transform: scale(.84); transform-origin: center; }

#view-chat .chat-workspace {
    flex: 1;
    min-height: 0;
    overflow: hidden;
    padding: 0;
    gap: 0;
}

.chat-primary-layout {
    flex: 1;
    min-height: 0;
    display: flex;
    gap: 0;
    padding: 0;
}

.chat-conversation-pane {
    min-width: 0;
    min-height: 0;
    display: flex;
    flex: 1;
    flex-direction: column;
    overflow: hidden;
    border: 0;
    border-radius: 0;
    background: transparent;
}

.chat-pane-tabs {
    min-height: 45px;
    display: flex;
    align-items: stretch;
    justify-content: space-between;
    padding: 0 12px;
    border-bottom: 1px solid color-mix(in srgb, var(--color-neutral-500) 70%, transparent);
    background: color-mix(in srgb, var(--color-neutral-900) 72%, transparent);
}
.chat-pane-tab {
    position: relative;
    padding: 0 7px;
    border: 0;
    background: transparent;
    color: var(--color-neutral-300);
    font: inherit;
    font-size: 10px;
    font-weight: 750;
    letter-spacing: .07em;
    text-transform: uppercase;
}
.chat-pane-tab.active { color: var(--color-neutral-100); }
.chat-pane-tab.active::after {
    content: '';
    position: absolute;
    left: 7px;
    right: 7px;
    bottom: -1px;
    height: 2px;
    border-radius: 2px 2px 0 0;
    background: var(--color-accent-500);
}
.chat-pane-tabs .chat-clear-btn { align-self: center; }

#view-chat .chat-history-card {
    flex: 1;
    min-height: 0;
    display: flex;
    flex-direction: column;
    margin: 0;
    padding: 0;
    border: 0;
    border-radius: 0;
    background: transparent;
    overflow: hidden;
}

.chat-history-toolbar {
    width: min(900px, calc(100% - 36px));
    margin: 0 auto;
    padding: 12px 4px 6px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    color: var(--color-neutral-300);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: .06em;
    text-transform: uppercase;
}

#view-chat .history-panel {
    height: auto;
    min-height: 0;
    flex: 1;
    resize: none;
    overflow-y: auto;
    margin: 0;
    padding: 8px 18px 26px;
    scroll-behavior: smooth;
}

#view-chat .history-list {
    width: min(900px, 100%);
    margin: 0 auto;
    padding: 0;
    display: flex;
    flex-direction: column;
}

#view-chat .history-item {
    width: auto;
    margin: 0 0 18px;
    padding: 0;
    background: transparent;
}
#view-chat .history-item.user { max-width: min(76%, 700px); }
#view-chat .history-item.assistant { max-width: min(92%, 820px); }
#view-chat .message-content { padding: 13px 16px; border-radius: 16px; font-size: 13.5px; line-height: 1.62; box-shadow: 0 5px 16px rgba(0,0,0,.08); }
#view-chat .message-content.user { border-bottom-right-radius: 5px; }
#view-chat .message-content.assistant { border-bottom-left-radius: 5px; background: color-mix(in srgb, var(--color-neutral-700) 88%, transparent); }
#view-chat .message-role { font-size: 10px; margin-bottom: 7px; text-transform: uppercase; letter-spacing: .06em; }
#view-chat .message-meta { opacity: .76; }

.chat-empty-state {
    width: min(680px, 100%);
    margin: auto;
    padding: 8vh 0 30px;
    text-align: center;
    color: var(--color-neutral-300);
}
.chat-empty-mark { width: 54px; height: 54px; display: grid; place-items: center; margin: 0 auto 15px; border-radius: 17px; background: color-mix(in srgb, var(--color-accent-500) 11%, var(--color-neutral-700)); border: 1px solid color-mix(in srgb, var(--color-accent-500) 25%, var(--color-neutral-500)); color: var(--color-accent-400); font-size: 24px; }
.chat-empty-state h2 { margin: 0 0 7px; color: var(--color-neutral-100); font-size: 20px; }
.chat-empty-state p { margin: 0 auto 20px; max-width: 520px; font-size: 12px; line-height: 1.6; }
.chat-starter-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 9px; }
.chat-starter {
    padding: 11px 12px;
    border: 1px solid var(--color-neutral-600);
    border-radius: 11px;
    background: color-mix(in srgb, var(--color-neutral-700) 82%, transparent);
    color: var(--color-neutral-200);
    cursor: pointer;
    text-align: left;
    font: inherit;
    font-size: 11px;
    line-height: 1.45;
}
.chat-starter:hover { border-color: var(--color-accent-600); background: color-mix(in srgb, var(--color-accent-500) 8%, var(--color-neutral-700)); color: var(--color-neutral-100); }

#view-chat .chat-composer-card {
    flex: 0 0 auto;
    width: min(920px, calc(100% - 28px));
    box-sizing: border-box;
    margin: 0 auto 14px;
    padding: 12px;
    border-radius: 17px;
    border: 1px solid color-mix(in srgb, var(--color-neutral-500) 85%, transparent);
    background: color-mix(in srgb, var(--color-neutral-700) 94%, transparent);
    box-shadow: 0 18px 42px rgba(0,0,0,.25);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
}

#view-chat .chat-conversation-pane .chat-composer-card {
    width: calc(100% - 24px);
    max-width: none;
    margin: 8px 12px 12px;
}

.chat-composer-prominent {
    border-color: color-mix(in srgb, var(--color-accent-500) 42%, var(--color-neutral-500)) !important;
    box-shadow: 0 16px 46px rgba(0,0,0,.26), 0 0 0 1px color-mix(in srgb, var(--color-accent-500) 8%, transparent) !important;
}
.chat-composer-heading { display: flex; align-items: flex-start; justify-content: space-between; margin: 0 2px 11px; }
.chat-composer-heading h2 { margin: 0 0 3px; color: var(--color-neutral-100); font-size: 15px; }
.chat-composer-heading p { margin: 0; color: var(--color-neutral-300); font-size: 10.5px; line-height: 1.45; }

.chat-context-bar { display: grid; grid-template-columns: minmax(0, 1.45fr) minmax(190px, .75fr); gap: 8px; margin-bottom: 8px; }
.chat-context-control { min-width: 0; display: flex; align-items: center; gap: 7px; padding: 6px 8px; border: 1px solid var(--color-neutral-600); border-radius: 10px; background: var(--color-neutral-800); }
.chat-context-icon { width: 24px; height: 24px; display: grid; place-items: center; flex: 0 0 auto; color: var(--color-accent-400); }
.chat-context-icon svg { width: 16px; height: 16px; }
.chat-context-agent label, .chat-context-collection .vs-collection-label { color: var(--color-neutral-300); font-size: 9px; font-weight: 700; text-transform: uppercase; letter-spacing: .05em; }
.chat-context-agent select { flex: 1; min-width: 0; border: 0; outline: 0; background: transparent; color: var(--color-neutral-100); font: inherit; font-size: 11px; cursor: pointer; }
.chat-context-collection .vs-collection-bar { flex: 1; min-width: 0; margin: 0; flex-wrap: nowrap; }
.chat-context-collection .vs-collection-select { border: 0; background: transparent; padding: 4px 5px; }
.chat-context-collection .vs-collection-btn { width: 25px; height: 25px; border-radius: 7px; }

#view-chat .chat-knowledge-scope { display: flex; align-items: center; gap: 5px; margin: 0 0 8px 2px; padding: 2px 7px; border: 0; background: transparent; font-size: 9.5px; }
.chat-knowledge-manage { margin-left: auto; padding: 2px 7px; border: 0; background: transparent; color: var(--color-accent-400); cursor: pointer; font: inherit; font-size: 9.5px; font-weight: 700; }
.chat-knowledge-manage:hover { color: var(--color-accent-300); text-decoration: underline; }
#view-chat .input-form { gap: 8px; align-items: stretch; }
#view-chat .input-form textarea {
    flex: 1;
    min-width: 0;
    min-height: 78px;
    max-height: 180px;
    resize: vertical;
    padding: 13px 14px;
    border-radius: 12px;
    border: 1px solid var(--color-neutral-600);
    outline: 0;
    background: var(--color-neutral-900);
    color: var(--color-neutral-100);
    font: inherit;
    font-size: 14px;
    line-height: 1.5;
}
#view-chat .input-form textarea:focus { border-color: var(--color-accent-500); box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-accent-500) 12%, transparent); }
#view-chat .input-form .voice-mic-btn { width: 44px; min-width: 44px; padding: 0; border-radius: 12px; background: var(--color-neutral-800); color: var(--color-neutral-200); border: 1px solid var(--color-neutral-600); box-shadow: none; }
#view-chat .input-form .chat-send-btn { min-width: 86px; border-radius: 12px; padding: 0 15px; display: flex; align-items: center; justify-content: center; gap: 7px; }
#view-chat .input-form .chat-send-btn span { font-size: 16px; line-height: 1; }
.chat-composer-hint { display: flex; flex-wrap: wrap; justify-content: center; gap: 6px 16px; margin-top: 8px; color: var(--color-neutral-300); font-size: 9px; }
.chat-composer-hint strong { color: var(--color-neutral-200); }

/* Full Knowledge Base manager inside the Chat workspace. */
.kb-manager {
    min-width: 0;
    min-height: 0;
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    background: color-mix(in srgb, var(--color-neutral-800) 94%, transparent);
}
.knowledge-workspace { background: var(--color-neutral-800); }
.knowledge-workspace .kb-manager { width: 100%; }
.kb-manager-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 18px;
    padding: 20px 24px 18px;
    border-bottom: 1px solid var(--color-neutral-600);
}
.kb-manager-eyebrow { color: var(--color-accent-400); font-size: 9px; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.kb-manager-header h2 { margin: 4px 0 4px; color: var(--color-neutral-100); font-size: 19px; }
.kb-manager-header p, .kb-manager-doc-header p { margin: 0; color: var(--color-neutral-300); font-size: 11px; line-height: 1.5; }
.kb-manager-header-actions, .kb-manager-doc-actions { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 7px; }
.kb-manager-btn {
    min-height: 34px;
    padding: 0 11px;
    border: 1px solid var(--color-neutral-500);
    border-radius: 9px;
    background: var(--color-neutral-700);
    color: var(--color-neutral-200);
    cursor: pointer;
    font: inherit;
    font-size: 10.5px;
    font-weight: 700;
}
.kb-manager-btn:hover:not(:disabled) { border-color: var(--color-neutral-400); background: var(--color-neutral-600); color: var(--color-neutral-100); }
.kb-manager-btn:disabled { opacity: .45; cursor: not-allowed; }
.kb-manager-btn.kb-manager-primary { border-color: var(--color-accent-500); background: var(--color-accent-600); color: white; }
.kb-manager-btn.kb-manager-danger { color: #fca5a5; }
.kb-manager-layout { --kb-collections-width: 240px; min-height: 0; flex: 1; display: grid; grid-template-columns: var(--kb-collections-width) 11px minmax(0, 1fr); }
.kb-manager-collections { min-width: 0; min-height: 0; padding: 15px 11px; overflow-y: auto; background: color-mix(in srgb, var(--color-neutral-900) 58%, transparent); }
.kb-manager-resizer {
    width: 11px;
    min-width: 11px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-left: 1px solid color-mix(in srgb, var(--color-neutral-500) 45%, transparent);
    border-right: 1px solid color-mix(in srgb, var(--color-neutral-500) 45%, transparent);
    background: color-mix(in srgb, var(--color-neutral-900) 74%, transparent);
    cursor: col-resize;
    outline: 0;
    touch-action: none;
}
.kb-manager-resizer > span {
    width: 3px;
    height: 48px;
    border-radius: 999px;
    background: var(--color-neutral-500);
    transition: height .15s, background .15s, box-shadow .15s;
}
.kb-manager-resizer:hover,
.kb-manager-resizer.dragging,
.kb-manager-resizer:focus-visible { background: var(--color-neutral-800); }
.kb-manager-resizer:hover > span,
.kb-manager-resizer.dragging > span,
.kb-manager-resizer:focus-visible > span {
    height: 72px;
    background: var(--color-accent-500);
    box-shadow: 0 0 10px color-mix(in srgb, var(--color-accent-500) 55%, transparent);
}
.kb-manager-section-title { display: flex; justify-content: space-between; padding: 0 7px 9px; color: var(--color-neutral-300); font-size: 9px; font-weight: 800; letter-spacing: .07em; text-transform: uppercase; }
.kb-manager-collection-list { display: flex; flex-direction: column; gap: 5px; }
.kb-manager-collection {
    display: grid;
    grid-template-columns: minmax(0,1fr) auto;
    gap: 4px 8px;
    padding: 10px;
    border: 1px solid transparent;
    border-radius: 10px;
    background: transparent;
    color: var(--color-neutral-200);
    cursor: pointer;
    text-align: left;
    font: inherit;
}
.kb-manager-collection:hover { background: var(--color-neutral-700); }
.kb-manager-collection.active { border-color: color-mix(in srgb, var(--color-accent-500) 55%, var(--color-neutral-500)); background: color-mix(in srgb, var(--color-accent-500) 10%, var(--color-neutral-700)); }
.kb-manager-collection-name { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 11.5px; font-weight: 700; }
.kb-manager-collection-count { color: var(--color-neutral-300); font-size: 10px; }
.kb-manager-collection-meta { grid-column: 1 / -1; color: var(--color-neutral-300); font-size: 9px; }
.kb-manager-documents { min-width: 0; min-height: 0; display: flex; flex-direction: column; padding: 18px 20px 20px; overflow: hidden; }
.kb-manager-doc-header { display: flex; justify-content: space-between; gap: 14px; margin-bottom: 13px; }
.kb-manager-doc-header h3 { margin: 0 0 4px; color: var(--color-neutral-100); font-size: 15px; }
.kb-manager-source-panel { margin: 0 0 10px; border: 1px solid var(--color-neutral-600); border-radius: 10px; background: color-mix(in srgb, var(--color-neutral-900) 50%, transparent); }
.kb-manager-source-header { min-height: 45px; display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 7px 10px 7px 12px; }
.kb-manager-source-header h4 { margin: 0 0 2px; color: var(--color-neutral-100); font-size: 10.5px; }
.kb-manager-source-header p { margin: 0; color: var(--color-neutral-300); font-size: 9px; }
.kb-manager-source-toggle { padding: 5px 8px; border: 0; background: transparent; color: var(--color-accent-400); cursor: pointer; font: inherit; font-size: 9.5px; font-weight: 700; white-space: nowrap; }
.kb-manager-source-toggle:hover { color: var(--color-accent-300); text-decoration: underline; }
.kb-manager-drive-sources-list { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 8px; padding: 0 10px 10px; }
.kb-manager-drive-sources-list[hidden] { display: none; }
.kb-manager-drive-sources-list .drive-source-card { padding: 10px; border: 1px solid var(--color-neutral-600); border-radius: 8px; background: var(--color-neutral-800); }
.kb-manager-drive-sources-list .drive-source-card:first-child { padding-top: 10px; }
.kb-manager-drive-sources-list .drive-source-name { font-size: 11px; }
.kb-manager-drive-sources-list .drive-source-meta { font-size: 9.5px; }
.kb-manager-drive-sources-list .drive-source-empty { grid-column: 1 / -1; padding: 5px 2px; font-size: 9.5px; }
.kb-manager-tools { display: flex; align-items: center; gap: 12px; margin-bottom: 9px; }
.kb-manager-search { min-width: 0; flex: 1; display: flex; align-items: center; gap: 7px; padding: 0 10px; border: 1px solid var(--color-neutral-600); border-radius: 9px; background: var(--color-neutral-900); color: var(--color-neutral-300); }
.kb-manager-search input { width: 100%; min-width: 0; height: 36px; border: 0; outline: 0; background: transparent; color: var(--color-neutral-100); font: inherit; font-size: 11px; }
.kb-manager-select-all { color: var(--color-neutral-300); font-size: 10px; white-space: nowrap; }
.kb-manager-movebar { flex: 0 0 auto; display: flex; align-items: center; gap: 9px; min-height: 45px; padding: 6px 8px 6px 11px; border: 1px solid var(--color-neutral-600); border-radius: 10px; background: color-mix(in srgb, var(--color-neutral-800) 65%, transparent); transition: border-color .15s, background .15s; }
.kb-manager-movebar.active { border-color: color-mix(in srgb, var(--color-accent-500) 42%, var(--color-neutral-500)); background: var(--color-neutral-800); }
.kb-manager-movebar:not(.active) > label,
.kb-manager-movebar:not(.active) > select,
.kb-manager-movebar:not(.active) > button { display: none; }
.kb-manager-movebar > span { min-width: 130px; flex: 1; color: var(--color-neutral-300); font-size: 10px; }
.kb-manager-movebar label { color: var(--color-neutral-300); font-size: 9px; font-weight: 700; text-transform: uppercase; }
.kb-manager-movebar select { max-width: 260px; height: 32px; border: 1px solid var(--color-neutral-500); border-radius: 8px; background: var(--color-neutral-900); color: var(--color-neutral-100); font: inherit; font-size: 10.5px; }
.kb-manager-notice { display: none; margin-top: 8px; padding: 8px 10px; border-radius: 8px; background: color-mix(in srgb, #f59e0b 10%, var(--color-neutral-800)); color: #fcd34d; font-size: 10px; line-height: 1.45; }
.kb-manager-notice.visible { display: block; }
.kb-manager-document-list { min-height: 0; margin-top: 10px; overflow-y: auto; border-top: 1px solid var(--color-neutral-600); }
.kb-manager-document-row { display: grid; grid-template-columns: 24px minmax(0, 1fr) auto; align-items: center; gap: 8px; min-height: 54px; padding: 8px 6px; border-bottom: 1px solid color-mix(in srgb, var(--color-neutral-600) 70%, transparent); }
.kb-manager-document-row.selected { background: color-mix(in srgb, var(--color-accent-500) 7%, transparent); }
.kb-manager-document-preview { max-height: 220px; padding: 12px 38px; overflow: auto; border-bottom: 1px solid var(--color-neutral-600); background: var(--color-neutral-900); color: var(--color-neutral-200); font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 9.5px; line-height: 1.55; white-space: pre-wrap; }
.kb-manager-document-name { overflow: hidden; color: var(--color-neutral-100); font-size: 11.5px; font-weight: 650; text-overflow: ellipsis; white-space: nowrap; }
.kb-manager-document-meta { display: flex; flex-wrap: wrap; gap: 5px 10px; margin-top: 4px; color: var(--color-neutral-300); font-size: 9px; }
.kb-manager-drive-badge { padding: 1px 5px; border: 1px solid color-mix(in srgb, var(--color-accent-500) 40%, var(--color-neutral-500)); border-radius: 999px; color: var(--color-accent-300); }
.kb-manager-empty { padding: 48px 16px; color: var(--color-neutral-300); font-size: 11px; text-align: center; }
.kb-manager-empty-state { max-width: 540px; margin: 0 auto; padding: 56px 18px; color: var(--color-neutral-300); text-align: center; }
.kb-manager-empty-icon { width: 46px; height: 46px; display: grid; place-items: center; margin: 0 auto 12px; border: 1px solid color-mix(in srgb, var(--color-accent-500) 32%, var(--color-neutral-500)); border-radius: 14px; background: color-mix(in srgb, var(--color-accent-500) 8%, var(--color-neutral-800)); color: var(--color-accent-400); font-size: 20px; }
.kb-manager-empty-state h3 { margin: 0 0 6px; color: var(--color-neutral-100); font-size: 14px; }
.kb-manager-empty-state p { margin: 0 auto 15px; max-width: 460px; font-size: 10.5px; line-height: 1.55; }
.kb-manager-empty-state > div:last-child { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; }

@media (max-width: 1000px) {
    #view-chat .autonomy-label { display: none; }
    .chat-topbar-title p { display: none; }
    .chat-context-bar { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    #view-chat .sidebar { position: absolute; top: 0; bottom: 0; max-height: none; width: min(330px, 88vw); display: none; box-shadow: 20px 0 50px rgba(0,0,0,.4); }
    #view-chat .sidebar.mobile-open { display: block; }
    #view-chat.chat-sidebar-hidden .sidebar.mobile-open { display: block; }
    #view-chat .resize-handle-x { display: none; }
    #view-chat .chat-topbar { min-height: 56px; padding: 8px 10px; }
    .chat-new-btn { width: 36px; padding: 0; justify-content: center; }
    .chat-new-btn svg { width: 17px; height: 17px; }
    .chat-new-btn { font-size: 0; }
    #view-chat .autonomy-controls { padding-left: 7px; gap: 5px; }
    #view-chat .history-panel { padding: 6px 10px 18px; }
    #view-chat .history-item.user { max-width: 88%; }
    #view-chat .history-item.assistant { max-width: 98%; }
    #view-chat .chat-composer-card { width: calc(100% - 16px); margin-bottom: 8px; padding: 9px; border-radius: 14px; }
    #view-chat .chat-conversation-pane .chat-composer-card { width: calc(100% - 16px); margin: 6px 8px 8px; }
    .chat-primary-layout { padding: 0; }
    .chat-starter-grid { grid-template-columns: 1fr; }
    .chat-empty-state { padding-top: 4vh; }
    #view-chat .input-form { flex-direction: row; }
    #view-chat .input-form textarea { width: auto; min-height: 68px; }
    #view-chat .input-form button { width: auto; }
    .chat-composer-hint span:last-child { display: none; }
    .kb-manager-header { padding: 14px; }
    .kb-manager-header { flex-direction: column; }
    .kb-manager-header-actions { justify-content: flex-start; }
    .kb-manager-layout { --kb-collections-width: 180px; }
    .kb-manager-documents { padding: 12px; }
    .kb-manager-doc-header { flex-direction: column; }
    .kb-manager-doc-actions { justify-content: flex-start; }
    .kb-manager-movebar { align-items: stretch; flex-direction: column; }
    .kb-manager-movebar select { max-width: none; }
}

@media (max-width: 520px) {
    #view-chat .chat-topbar { flex-direction: row; }
    .chat-topbar-title h1 { font-size: 12px; }
    .chat-topbar-actions .chat-icon-btn { display: none; }
    #view-chat .autonomy-controls { display: none; }
    .chat-context-collection .vs-collection-label, .chat-context-agent label { display: none; }
    #view-chat .input-form .voice-mic-btn { display: none; }
    #view-chat .input-form .chat-send-btn { min-width: 52px; font-size: 0; }
    #view-chat .input-form .chat-send-btn span { font-size: 18px; }
    #view-chat .history-list { max-height: none; }
    .chat-composer-heading p { display: none; }
    .kb-manager-layout { display: flex; flex-direction: column; overflow-y: auto; }
    .kb-manager-resizer { display: none; }
    .kb-manager-collections { flex: 0 0 auto; max-height: 180px; border-right: 0; border-bottom: 1px solid var(--color-neutral-600); }
    .kb-manager-documents { min-height: 0; flex: 0 0 auto; overflow: visible; }
    .kb-manager-document-list { min-height: 0; flex: 0 0 auto; overflow: visible; }
}