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.login-toggle-button{min-height:52px;border-radius:16px}.login-form{display:grid;gap:18px;margin-bottom:0}.login-field{display:grid;gap:10px}.single-login-screen .login-field span{font-size:.78rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:var(--text-soft)}.login-field input{height:54px;padding:0 16px;border:1px solid rgba(15,23,42,.1);border-radius:18px;font-size:15px;outline:none;background:linear-gradient(180deg,#fffffffa,#f3f7ffeb);box-shadow:inset 0 1px #ffffffeb,0 10px 24px #123f8a0a}.login-field input:focus{border-color:#1d63d861;box-shadow:0 0 0 4px #1d63d81f,0 18px 32px #1d63d81a}.login-demo-block{margin-bottom:20px}.login-demo-actions{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:10px}.login-actions{margin-top:2px}.login-submit-button{width:100%;min-height:58px;font-size:1.02rem;font-weight:700;letter-spacing:-.02em;box-shadow:0 20px 34px #1d63d83d}.login-submit-button:hover:not(:disabled){box-shadow:0 24px 40px 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span{overflow:hidden;color:var(--text-soft);font-size:.84rem;font-weight:500;letter-spacing:0;text-overflow:ellipsis;text-transform:none;white-space:nowrap}.workspace-sidebar-profile>.ui-icon{width:20px;height:20px;color:#0b1531}.danger-button{min-height:66px;border-radius:17px;background:#fffafbc7;border-color:#d5296938;color:var(--danger);font-weight:800}.danger-button:hover:not(:disabled){background:#fff;border-color:#d529695c;box-shadow:0 16px 30px #d529691c}.scope-card{border-radius:20px;background:#ffffffc7;border-color:#4b63ff24;box-shadow:none}.workspace-sidebar:has(.sidebar-scope-panel:not(.workspace-scope-menu)) .workspace-sidebar-top{grid-template-rows:auto auto minmax(0,1fr);align-content:stretch;gap:18px}.workspace-sidebar:has(.sidebar-scope-panel:not(.workspace-scope-menu)) .workspace-sidebar-brand{gap:0}.workspace-sidebar:has(.sidebar-scope-panel:not(.workspace-scope-menu)) .workspace-sidebar-brand p{display:none}.workspace-sidebar:has(.sidebar-scope-panel:not(.workspace-scope-menu)) .workspace-sidebar-brand h1{font-size:1.34rem}.workspace-sidebar:has(.sidebar-scope-panel:not(.workspace-scope-menu)) .knowhub-mark{width:40px;height:30px}.workspace-sidebar:has(.sidebar-scope-panel:not(.workspace-scope-menu)) .brand-logo-image{width:min(214px,100%)}.workspace-sidebar:has(.sidebar-scope-panel:not(.workspace-scope-menu)) .workspace-sidebar-actions{gap:12px}.workspace-sidebar:has(.sidebar-scope-panel:not(.workspace-scope-menu)) .workspace-sidebar-actions .ghost-button{min-height:56px;padding-inline:20px}.workspace-sidebar:has(.sidebar-scope-panel:not(.workspace-scope-menu)) .workspace-sidebar-bottom{gap:10px}.workspace-sidebar:has(.sidebar-scope-panel:not(.workspace-scope-menu)) .workspace-sidebar-profile{min-height:66px;padding:10px 14px}.workspace-sidebar:has(.sidebar-scope-panel:not(.workspace-scope-menu)) .workspace-sidebar-avatar{width:42px;height:42px;border-radius:15px}.workspace-sidebar:has(.sidebar-scope-panel:not(.workspace-scope-menu)) .danger-button{min-height:56px}.sidebar-scope-panel{display:grid;min-height:0}.sidebar-scope-panel .scope-card{min-height:0;height:100%;padding:18px 18px 16px}.sidebar-scope-panel .scope-document-list{min-height:0;max-height:none;height:100%;overflow-y:auto;overscroll-behavior:contain;scrollbar-gutter:stable}.workspace-scope-menu.sidebar-scope-panel .scope-card{height:auto;max-height:inherit}.workspace-scope-menu.sidebar-scope-panel .scope-document-list{height:auto;max-height:min(46dvh,420px)}.sidebar-scope-panel .scope-document-card{min-height:58px}.sidebar-scope-panel .scope-document-card .document-card-title{-webkit-line-clamp:4;font-size:.94rem;line-height:1.45}.workspace-sidebar:has(.workspace-scope-menu),.workspace-sidebar:has(.workspace-scope-menu) .workspace-sidebar-top{overflow:visible}.workspace-sidebar:has(.workspace-scope-menu){z-index:70}.workspace-scope-menu.sidebar-scope-panel .scope-card{gap:12px;padding:16px}.workspace-scope-menu.sidebar-scope-panel .scope-card-header{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:12px}.workspace-scope-menu.sidebar-scope-panel .scope-card-actions{display:flex;flex-wrap:nowrap;gap:8px}.workspace-scope-menu.sidebar-scope-panel .scope-action-button{min-height:40px;padding:0 14px;border-radius:14px;font-size:.84rem}.workspace-scope-menu.sidebar-scope-panel .scope-selection-count{width:fit-content;max-width:100%;padding:7px 12px;font-size:.78rem}.workspace-scope-menu.sidebar-scope-panel .scope-document-list{gap:7px;padding-right:8px}.workspace-scope-menu.sidebar-scope-panel .scope-document-card{grid-template-columns:16px minmax(0,1fr);min-height:40px;gap:9px;align-items:center;padding:6px 12px;border-radius:14px}.workspace-scope-menu.sidebar-scope-panel .scope-document-card input{margin-top:0}.workspace-scope-menu.sidebar-scope-panel .scope-document-card .document-card-title{-webkit-line-clamp:2;font-size:.92rem;line-height:1.36;overflow-wrap:anywhere}.chat-utility-bar{display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:18px;padding:0 0 22px;border-bottom:1px solid rgba(70,86,220,.16)}.chat-title-icon{display:inline-flex;align-items:center;justify-content:center;width:62px;height:62px;border-radius:18px;background:linear-gradient(180deg,#f6f8fffa,#eef2ffeb);border:1px solid rgba(75,99,255,.18);color:var(--accent);box-shadow:inset 0 1px #fffffff0,0 16px 32px #4b63ff1f}.chat-title-icon .ui-icon{width:34px;height:34px;stroke-width:1.8}.chat-utility-copy h2{margin:0;color:var(--text);font-size:1.38rem;font-weight:800;line-height:1.2}.chat-utility-copy p{margin-top:4px;color:#56647c;font-size:1rem}.session-chip{min-height:50px;padding:0 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h3{margin:0;color:var(--text);font-size:1.34rem;font-weight:800}.chat-empty-state p{max-width:28rem;margin:0;color:#56647c;font-size:.98rem;line-height:1.65}.chat-exchange{gap:14px;animation:soft-enter .3s ease both}.message-card{padding:22px 26px;border-radius:24px;border-color:#4656dc1f;box-shadow:0 18px 42px #2a37700f}.message-card:after{width:3px;background:linear-gradient(180deg,#4b63ff,#13a7c1)}.user-message{max-width:min(52%,620px);background:linear-gradient(135deg,#ecf5fffa,#e0eeffe0)}.assistant-message{max-width:min(82%,960px);background:#fffffff0}.message-role{margin-bottom:10px;color:var(--accent);font-size:.72rem}.answer-list-marker{color:var(--accent-strong)}.citation-button,.inline-evidence-chip{background:#4b63ff17;border-color:#4b63ff26;color:var(--accent-strong)}.composer-shell{padding:0;border:0;border-radius:0;background:transparent;box-shadow:none;-webkit-backdrop-filter:none;backdrop-filter:none}.composer-row{grid-template-columns:minmax(0,1fr) 56px;gap:14px;align-items:stretch}.demo-button{min-width:0;min-height:56px;padding:0 18px;border-radius:16px;background:#f7f8ffd6;border-color:#4b63ff38;color:#7a6df2;font-size:1rem;font-weight:800}.demo-button .ui-icon{width:23px;height:23px}.composer-input{min-height:56px;max-height:150px;padding:15px 20px;border-radius:16px;background:#ffffffb8;border-color:#4656dc29;color:var(--text);box-shadow:inset 0 1px #ffffffeb,0 12px 28px #3040800b}.send-button{width:56px;height:56px;min-width:56px;min-height:56px;padding:0;border-radius:16px;background:linear-gradient(135deg,#5369ff,#745cf5 62%,#33328e);box-shadow:0 18px 34px #4b63ff3d;animation:glow-pulse 3s ease-in-out infinite}.send-button .ui-icon{width:24px;height:24px}.demo-popover{bottom:calc(100% + 16px);border-radius:24px;background:#fffffff5;border-color:#4b63ff29;box-shadow:0 28px 70px #3040802e;animation:soft-enter .2s ease both}.source-explorer-backdrop{background:#e5ebff9e;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.source-explorer{top:12px;right:12px;bottom:12px;left:12px;gap:16px;padding:28px;border-radius:24px;background:linear-gradient(180deg,#fffffff7,#fafcfff0);border:1px solid rgba(255,255,255,.96);box-shadow:0 28px 84px #1f2b602e;animation:soft-enter .24s ease both}.source-explorer-header h3{margin-top:6px;font-size:1.35rem;font-weight:800}.source-explorer-header p{margin-top:5px;font-size:.92rem}.explorer-close{width:42px;height:42px;border-radius:15px;background:#f8faffeb;border-color:#4656dc1f}.source-explorer-context{display:grid;gap:8px;padding:18px 20px;border-radius:19px;background:linear-gradient(180deg,#f7f9fdf0,#eff3fad1);border-color:#4656dc1c}.source-explorer-context p{margin-top:0;font-size:.96rem;line-height:1.6}.source-context-label,.source-detail-label,.source-card-kicker{color:var(--accent);font-size:.72rem;letter-spacing:.14em}.source-procedure-note{border-radius:16px;background:#ffffff8f}.source-explorer-body{grid-template-columns:minmax(250px,290px) minmax(0,1fr);gap:18px}.source-explorer-list{display:grid;gap:14px;align-content:start}.source-card{padding:18px;border-radius:19px;background:linear-gradient(180deg,#f6fafff5,#eef5ffdb);border-color:#4b63ff29;box-shadow:0 16px 34px #30408013}.source-card.active{border-color:#4b63ff47;background:linear-gradient(180deg,#eef5fffa,#f7fbffeb);box-shadow:0 18px 38px #4b63ff1f}.source-chip{background:#4b63ff1a;border-color:#4b63ff2e;color:var(--accent-strong)}.source-preview-panel{gap:16px}.source-preview-top{padding:2px 2px 0}.source-preview-top h4{margin:6px 0 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