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var(--border-strong);border-radius:999px;background:var(--surface);color:var(--fg-muted);font:inherit;font-size:12.5px;font-weight:600;cursor:pointer;transition:background-color .12s ease,color .12s ease}.theme-toggle:hover{background:var(--surface-2);color:var(--fg)}.theme-toggle__icon{font-size:14px;line-height:1}@media (max-width: 720px){.theme-toggle__label{display:none}}.theme-pick{display:flex;gap:10px;flex-wrap:wrap;margin:4px 0 16px}.theme-pick__btn{display:flex;align-items:center;gap:9px;padding:10px 16px;border:1px solid var(--border-strong);border-radius:999px;background:var(--surface);color:var(--fg-muted);font:inherit;font-weight:600;cursor:pointer}.theme-pick__btn .sw{width:16px;height:16px;border-radius:5px}.theme-pick__btn.is-active{background:var(--accent);border-color:var(--accent);color:var(--accent-fg)}.accent-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:10px}.accent-opt{display:flex;align-items:center;gap:11px;padding:11px 13px;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--surface);color:var(--fg);font:inherit;text-align:left;cursor:pointer;transition:border-color .12s ease,box-shadow .12s ease}.accent-opt:hover{border-color:var(--border-strong)}.accent-opt.is-active{border-color:var(--accent);box-shadow:0 0 0 2px var(--accent-soft)}.accent-opt__sw{width:28px;height:28px;border-radius:8px;flex:none;box-shadow:inset 0 0 0 1px #0000001f}.accent-opt__name{font-size:13px;font-weight:600}.accent-opt__on{margin-left:auto;font-size:12px;font-weight:700;color:var(--accent-text)}:root[data-theme=carbon]{--bg: #fafafa;--surface: #ffffff;--surface-2: #f4f4f5;--sidebar-bg: #18181b;--sidebar-fg: #a1a1aa;--sidebar-fg-strong: #ffffff;--sidebar-fg-muted: #6b6b73;--fg: #18181b;--fg-muted: #6b6b73;--fg-faint: #9a9aa3;--border: #ececef;--border-strong: #dcdce0;--ok: #16a34a;--ok-soft: #dcfce7;--warn: #d97706;--warn-soft: #fef3c7;--danger: #dc2626;--danger-soft: #fee2e2;--info: #2563eb;--info-soft: #dbeafe;--accent: #18181b;--accent-hover: #000000;--accent-soft: #f4f4f5;--accent-fg: #ffffff;--accent-text: #18181b;--accent-glow: rgba(0, 0, 0, .16);--grad-brand: linear-gradient(135deg, #3f3f46 0%, #18181b 100%);--radius: 12px;--radius-sm: 9px;--shadow-sm: 0 1px 2px rgba(15, 15, 18, .05), 0 1px 1px rgba(15, 15, 18, .04);--shadow: 0 4px 14px rgba(15, 15, 18, .07), 0 2px 4px rgba(15, 15, 18, .04);--shadow-lg: 0 18px 48px rgba(15, 15, 18, .12), 0 6px 16px rgba(15, 15, 18, .1);--font-head: Georgia, "Times New Roman", serif}:root[data-theme=carbon] .page__title{font-family:var(--font-head);font-size:clamp(26px,2.2vw,32px);line-height:1.05;letter-spacing:-.02em}:root[data-theme=carbon] .login{background:linear-gradient(135deg,#fff7ed,#fef2f2)}:root[data-theme=carbon] .alert--info{background:var(--info-soft);border-color:#bfdbfe;color:#1e40af}:root[data-theme=carbon] .chip.is-active,:root[data-theme=carbon] .stat-card--accent{background:var(--accent-hover);border-color:var(--accent-hover)}:root[data-theme=carbon] .funnel__bar{background:var(--accent-hover)}:root[data-theme=carbon] .nav__item.is-active{background:var(--grad-brand);color:#fff;box-shadow:0 8px 20px var(--accent-glow)}:root[data-theme=carbon] .nav__item.is-active .nav__desc{color:#fff;opacity:.95}:root[data-theme=carbon] .btn--primary{box-shadow:0 12px 28px var(--accent-glow)}:root[data-theme=carbon] .msg--assistant{border-color:var(--accent-soft)}:root[data-theme=midnight]{--bg: #0b1020;--surface: #131a2e;--surface-2: #0f1626;--sidebar-bg: linear-gradient(180deg, #0d1426 0%, #0a0f1d 100%);--sidebar-fg: #aab6cf;--sidebar-fg-strong: #f1f5ff;--sidebar-fg-muted: #6f7c98;--fg: #eef2fb;--fg-muted: #aab6cf;--fg-faint: #76829e;--border: #1f2940;--border-strong: #2a3754;--ok: #34d399;--ok-soft: rgba(52, 211, 153, .14);--warn: #fbbf24;--warn-soft: rgba(251, 191, 36, .14);--danger: #fb7185;--danger-soft: rgba(251, 113, 133, 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var(--accent)}.cvitem__av{width:38px;height:38px;border-radius:11px;flex:none;display:grid;place-items:center;color:#fff;font-weight:800;font-size:13px}.cvitem__body{flex:1;min-width:0;display:flex;flex-direction:column;gap:4px}.cvitem__top{display:flex;align-items:baseline;justify-content:space-between;gap:8px}.cvitem__name{font-size:13.5px;font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.cvitem__time{font-size:11px;color:var(--fg-faint);white-space:nowrap;flex:none}.cvitem__preview{font-size:12.5px;color:var(--fg-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.cvitem__tags{display:flex;gap:6px;flex-wrap:wrap;margin-top:2px}.convo__who{display:flex;align-items:center;gap:11px}.convo__name{font-size:15px;font-weight:700}.convo__who-tags{display:flex;gap:6px;margin-top:4px}.msg{max-width:78%}.composer{display:flex;gap:8px;align-items:flex-end;padding:12px 16px;border-top:1px solid 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var(--border);padding-top:8px}.sent-media__lab{font-size:12px;color:var(--fg-muted);margin-bottom:6px}.sent-media__items{display:flex;flex-wrap:wrap;gap:8px}.sent-media__img{width:120px;height:90px;object-fit:cover;border-radius:8px;border:1px solid var(--border)}.sent-media__file{font-size:12px;padding:6px 10px;border:1px solid var(--border);border-radius:8px;text-decoration:none}.kb-progress{padding:16px 18px}.kb-progress__top{display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin-bottom:10px}.kb-bar{height:10px;border-radius:999px;background:var(--surface-2);overflow:hidden;border:1px solid var(--border)}.kb-bar__fill{height:100%;background:var(--accent);border-radius:999px;transition:width .5s ease}.kb-progress__stats{display:flex;gap:16px;flex-wrap:wrap;margin-top:8px;align-items:center}.kb-progress__stats .badge__dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--accent);margin-right:5px;animation:kb-pulse 1.2s ease-in-out infinite}@keyframes kb-pulse{0%,to{opacity:.3}50%{opacity:1}}:root[data-theme=carbon][data-accent]{--bg: #fdfbfa;--surface: #ffffff;--surface-2: #fdf8f5;--sidebar-bg: rgba(255, 255, 255, .72);--sidebar-fg: #5d5450;--sidebar-fg-strong: #14100e;--sidebar-fg-muted: #a19590;--fg: #14100e;--fg-muted: #7a706c;--fg-faint: #a89c96;--border: #ece4df;--border-strong: #e2d6cf;--ok: #1d9d68;--ok-soft: #edf9f4;--warn: #c27803;--warn-soft: #fff6e0;--danger: #d93d36;--danger-soft: #fff1ef;--info: #2563eb;--info-soft: #eaf1ff;--accent: #ff5a36;--accent-hover: #e83f1a;--accent-soft: #fff4ee;--accent-fg: #ffffff;--accent-text: #c2361a;--accent-glow: rgba(232, 63, 26, .2);--grad-brand: linear-gradient(135deg, #ff7a4d 0%, #ff5a36 48%, #e83f1a 100%);--radius: 18px;--radius-sm: 12px;--shadow-sm: 0 5px 20px rgba(50, 30, 20, .035);--shadow: 0 14px 38px rgba(60, 34, 21, .08);--shadow-lg: 0 18px 45px rgba(49, 27, 17, .16);--font: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-head: var(--font)}:root[data-theme=carbon][data-accent] body{background:radial-gradient(900px 450px at 6% -8%,rgba(255,90,54,.1),transparent 60%),radial-gradient(700px 420px at 94% 5%,rgba(255,176,60,.09),transparent 65%),var(--bg);background-attachment:fixed}:root[data-theme=carbon][data-accent] .sidebar{width:256px;padding:18px 14px;background:var(--sidebar-bg);border-right:1px solid var(--border);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);position:sticky;top:0;height:100vh;overflow-y:auto}:root[data-theme=carbon][data-accent] .brand__name{color:var(--fg);font-weight:800}:root[data-theme=carbon][data-accent] .brand__sub{color:var(--fg-muted)}:root[data-theme=carbon][data-accent] .brand__mark{border-radius:13px;background:var(--grad-brand);color:#fff;box-shadow:0 8px 20px #e83f1a3b}:root[data-theme=carbon][data-accent] .nav{gap:4px}:root[data-theme=carbon][data-accent] .nav__group{margin:22px 10px 8px;font-size:11px;font-weight:800;letter-spacing:.12em;color:var(--sidebar-fg-muted)}:root[data-theme=carbon][data-accent] .nav__group:first-child{margin-top:6px}:root[data-theme=carbon][data-accent] .nav__item{min-height:44px;padding:0 12px;border-radius:12px;color:var(--sidebar-fg);font-weight:650}:root[data-theme=carbon][data-accent] .nav__item:hover{background:#fff5ef;color:var(--fg)}:root[data-theme=carbon][data-accent] .nav__item.is-active{background:var(--grad-brand);color:#fff;box-shadow:0 10px 22px #e83f1a33}:root[data-theme=carbon][data-accent] .nav__item.is-active .nav__desc{color:#fff;opacity:.92}:root[data-theme=carbon][data-accent] .sidebar__foot{border-top:1px solid var(--border);padding:14px 4px 0}:root[data-theme=carbon][data-accent] .nav__sysadmin,:root[data-theme=carbon][data-accent] .nav__collapse{border:1px solid var(--border);border-radius:12px;background:#fff;color:var(--sidebar-fg)}:root[data-theme=carbon][data-accent] .nav__sysadmin:hover,:root[data-theme=carbon][data-accent] .nav__collapse:hover{background:#fff5ef;color:var(--fg)}:root[data-theme=carbon][data-accent] .sidebar--admin .nav__item.is-active{background:linear-gradient(135deg,#d97706,#b45309);box-shadow:0 10px 22px #b4530938}:root[data-theme=carbon][data-accent] .brand__mark--admin{background:linear-gradient(135deg,#d97706,#b45309);box-shadow:0 8px 20px #b4530938}:root[data-theme=carbon][data-accent] .topbar--admin{border-bottom:2px solid var(--admin)}:root[data-theme=carbon][data-accent] .topbar{height:72px;padding:0 24px;gap:10px;position:sticky;top:0;z-index:20;background:#ffffffdb;-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);border-bottom:1px solid rgba(236,228,223,.9);box-shadow:0 5px 20px #321e140a}:root[data-theme=carbon][data-accent] .icon-btn{height:40px;min-width:40px;border:1px solid var(--border);background:#fff;border-radius:12px;color:#3d3634}:root[data-theme=carbon][data-accent] .icon-btn:hover{background:#fff5ef}:root[data-theme=carbon][data-accent] .search{border-radius:12px;border-color:var(--border);background:#fdfaf8}:root[data-theme=carbon][data-accent] .status-chip{height:40px;padding:0 14px;border:1px solid var(--border);border-radius:12px;background:#fff;color:#3d3634;font-weight:700}:root[data-theme=carbon][data-accent] .status-chip--on .status-chip__dot{background:var(--ok);box-shadow:0 0 0 4px #1d9d681a}:root[data-theme=carbon][data-accent] .topbar__user{flex-direction:row;align-items:center;gap:10px;margin-right:0}:root[data-theme=carbon][data-accent] .topbar__user-meta{display:flex;flex-direction:column;align-items:flex-start;line-height:1.2}:root[data-theme=carbon][data-accent] .topbar__avatar{width:40px;height:40px;display:grid;place-items:center;font-weight:800;flex:none;border-radius:13px;background:linear-gradient(135deg,#2a2523,#665b56);color:#fff}:root[data-theme=carbon][data-accent] .content{padding:26px 28px 50px}:root[data-theme=carbon][data-accent] .page__head{margin-bottom:20px}:root[data-theme=carbon][data-accent] .page__title{font-family:var(--font);font-size:27px;font-weight:800;line-height:1.15;letter-spacing:-.03em}:root[data-theme=carbon][data-accent] .page__sub{color:var(--fg-muted);font-size:14px}:root[data-theme=carbon][data-accent] .btn{border-radius:12px;font-weight:750}:root[data-theme=carbon][data-accent] .btn--primary{background:var(--grad-brand);color:#fff;border-color:transparent;box-shadow:0 9px 20px #e83f1a33}:root[data-theme=carbon][data-accent] .btn--primary:hover:not(:disabled){background:var(--grad-brand);filter:brightness(.96)}:root[data-theme=carbon][data-accent] .btn--ghost{background:#fff;border-color:var(--border);color:#4e4541}:root[data-theme=carbon][data-accent] .btn--ghost:hover:not(:disabled){background:#fff5ef}:root[data-theme=carbon][data-accent] .btn--danger{background:#fff1ef;border:1px solid #ffd8d2;color:#bd281e}:root[data-theme=carbon][data-accent] 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#e83f1a38}:root[data-theme=carbon][data-accent] .table-wrap{border-radius:var(--radius);border-color:var(--border);box-shadow:var(--shadow);background:#fff}:root[data-theme=carbon][data-accent] .table thead th{background:#fdf8f5;color:#8a7f7a;font-size:11.5px;letter-spacing:.06em;border-bottom-color:var(--border)}:root[data-theme=carbon][data-accent] .table tbody td{border-bottom-color:#f0e9e5}:root[data-theme=carbon][data-accent] .table tbody tr.is-clickable:hover{background:#fff5ef}:root[data-theme=carbon][data-accent] .input{border-color:var(--border);border-radius:11px;background:#fff}:root[data-theme=carbon][data-accent] .input:focus{border-color:#ffb59f;box-shadow:0 0 0 3px #ff5a361f}:root[data-theme=carbon][data-accent] .chip{border-color:var(--border);background:#fff;color:#776c67;font-weight:700}:root[data-theme=carbon][data-accent] .chip:hover{background:#fff5ef}:root[data-theme=carbon][data-accent] .chip.is-active{background:#fff0e9;border-color:#ffd3c3;color:var(--accent-hover)}:root[data-theme=carbon][data-accent] .settings-tabs{gap:10px;padding:8px;background:#ffffffc7;border:1px solid var(--border);border-radius:16px;box-shadow:var(--shadow-sm);margin-bottom:28px}:root[data-theme=carbon][data-accent] .settings-tab{border:0;border-radius:11px;color:#776c67;font-weight:700;background:transparent}:root[data-theme=carbon][data-accent] .settings-tab:hover{background:#fff5ef}:root[data-theme=carbon][data-accent] .settings-tab.is-active{background:#fff;color:var(--accent-hover);box-shadow:0 4px 14px #321e1417}:root[data-theme=carbon][data-accent] .msg{border-radius:16px}:root[data-theme=carbon][data-accent] .msg--assistant{background:var(--grad-brand);border-color:transparent;color:#fff;box-shadow:0 10px 22px #e83f1a29}:root[data-theme=carbon][data-accent] .msg--assistant .msg__role,:root[data-theme=carbon][data-accent] .msg--assistant .msg__meta{color:#ffffffd9}:root[data-theme=carbon][data-accent] .msg--user{background:#fff;border:1px solid #efe5df}:root[data-theme=carbon][data-accent] .convo-row:hover,:root[data-theme=carbon][data-accent] .convo-row.is-active{background:#fff5ef}:root[data-theme=carbon][data-accent] .convo-row.is-active{box-shadow:inset 3px 0 var(--accent)}:root[data-theme=carbon][data-accent] .login{background:radial-gradient(900px 450px at 6% -8%,rgba(255,90,54,.14),transparent 60%),radial-gradient(700px 420px at 94% 5%,rgba(255,176,60,.12),transparent 65%),#fdfbfa}@media (max-width: 740px){:root[data-theme=carbon][data-accent] .topbar{height:64px;padding:0 14px}:root[data-theme=carbon][data-accent] .content{padding:18px 14px 40px}}@media (max-width: 760px){:root[data-theme=carbon][data-accent] .sidebar{position:fixed;top:0;background:#fffffffa}}@media (prefers-reduced-motion: reduce){:root[data-theme=carbon][data-accent] .nav__item,:root[data-theme=carbon][data-accent] .btn{transition:none}}