.confirm-dialog-backdrop{-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);z-index:1000;background:#0f172a75;justify-content:center;align-items:center;padding:1rem;display:flex;position:fixed;inset:0}.confirm-dialog{color:#0f172a;background:linear-gradient(135deg,#fffffffa,#fffbebf0);border:1px solid #b947553d;border-radius:20px;grid-template-columns:auto minmax(0,1fr);gap:1rem;width:min(100%,460px);max-width:460px;padding:1.15rem;display:grid;box-shadow:0 28px 70px #0f172a3d}.confirm-dialog__icon{background:linear-gradient(135deg, var(--button-red-start), var(--button-red-end));box-shadow:0 12px 26px var(--button-red-shadow);color:#fff;border-radius:999px;justify-content:center;align-items:center;width:2.25rem;height:2.25rem;font-weight:900;display:inline-flex}.confirm-dialog__content{min-width:0}.confirm-dialog h2{color:var(--blue-900);margin:0;font-family:IBM Plex Serif,Georgia,serif;font-size:1.28rem;line-height:1.2}.confirm-dialog p{color:#475569;margin:.45rem 0 0;line-height:1.45}.confirm-dialog__actions{flex-wrap:wrap;justify-content:flex-end;gap:.65rem;margin-top:1.1rem;display:flex}.confirm-dialog__button{cursor:pointer;font:inherit;border:1px solid #0000;border-radius:10px;padding:.72rem .95rem;font-weight:800;transition:background .16s,border-color .16s,box-shadow .16s,filter .16s,transform .16s}.confirm-dialog__button:not(:disabled):hover{filter:brightness(1.02);transform:translateY(-1px)}.confirm-dialog__button:focus-visible{outline-offset:2px;outline:2px solid #bfdbfe}.confirm-dialog__button-cancel{border-color:var(--border-blue);color:var(--blue-900);background:#fff}.confirm-dialog__button-cancel:not(:disabled):hover{box-shadow:0 10px 22px #3b82f61f}.confirm-dialog__button-primary{background:linear-gradient(135deg, var(--button-blue-start), var(--button-blue-end));color:#fff}.confirm-dialog__button-primary:not(:disabled):hover{box-shadow:0 12px 24px var(--button-blue-shadow)}.confirm-dialog__button-danger{background:linear-gradient(135deg, var(--button-red-start), var(--button-red-end));color:#fff}.confirm-dialog__button-danger:not(:disabled):hover{box-shadow:0 12px 24px var(--button-red-shadow)}@media (width<=520px){.confirm-dialog{grid-template-columns:1fr}.confirm-dialog__actions{justify-content:stretch}.confirm-dialog__button{flex:100%}}.home-page{background:linear-gradient(135deg,#dbeafe57,#0000 38%),linear-gradient(315deg,#fef3c773,#0000 42%);justify-content:center;min-height:100vh;padding:32px 16px;display:flex}.chat-layout{grid-template-columns:280px minmax(0,1fr);gap:18px;width:min(1180px,100%);display:grid}.chat-layout.sidebar-hidden{grid-template-columns:minmax(0,1fr)}.chat-layout.sidebar-hidden .chat-card{justify-self:stretch;width:100%}.session-sidebar{background:linear-gradient(180deg, var(--surface-blue), #ffffffdb);border:1px solid var(--border-blue);border-radius:16px;flex-direction:column;gap:14px;max-height:calc(100vh - 64px);padding:16px;display:flex}.session-sidebar-header{justify-content:space-between;align-items:center;gap:10px;display:flex}.session-sidebar-actions{align-items:center;gap:8px;display:flex}.session-import-input{display:none}.session-sidebar-header h2{margin:0;font-size:1rem}.page-action-button{background:linear-gradient(135deg, var(--button-blue-start), var(--button-blue-end));color:#fff;cursor:pointer;font:inherit;border:1px solid #0000;border-radius:8px;padding:8px 10px;font-weight:700;transition:background .16s,border-color .16s,box-shadow .16s,filter .16s,transform .16s}.page-action-button:not(:disabled):hover{background:linear-gradient(135deg, var(--button-blue-start), var(--button-blue-end));box-shadow:0 12px 24px var(--button-blue-shadow);filter:brightness(1.02);transform:translateY(-2px)}.page-action-button:focus-visible{outline-offset:2px;outline:2px solid #bfdbfe}.page-action-button:disabled{cursor:not-allowed;filter:grayscale(.2);opacity:.62}.page-action-button-danger{background:linear-gradient(135deg, var(--button-red-start), var(--button-red-end));color:#fff;border-color:#0000}.page-action-button-danger:not(:disabled):hover{background:linear-gradient(135deg, var(--button-red-start), var(--button-red-end));box-shadow:0 12px 24px var(--button-red-shadow);filter:brightness(1.02)}.session-list{flex-direction:column;gap:10px;display:flex;overflow-y:auto}.session-search{border:1px solid var(--border-blue);font:inherit;border-radius:8px;padding:8px 10px}.session-filters{flex-direction:column;gap:8px;display:flex}.session-filters select{border:1px solid var(--border-blue);font:inherit;background:#fff;border-radius:8px;padding:8px 10px}.session-filter-toggle{color:#334155;align-items:center;gap:8px;font-size:.88rem;display:inline-flex}.session-empty{color:#64748b;margin:0}.session-item{background:#fff;border:1px solid #3b82f638;border-radius:12px;flex-direction:column;gap:8px;padding:10px;display:flex}.session-item.active{border-color:var(--blue-500);background:linear-gradient(135deg, var(--blue-50), #fef3c78c);box-shadow:inset 4px 0 0 var(--blue-500)}.session-open{text-align:left;cursor:pointer;background:0 0;border:none;flex-direction:column;gap:4px;padding:0;display:flex}.session-title{color:#0f172a;font-weight:600}.session-summary{color:#475569;-webkit-line-clamp:2;-webkit-box-orient:vertical;font-size:.84rem;display:-webkit-box;overflow:hidden}.session-meta{color:#64748b;font-size:.8rem}.chat-card{background:var(--surface);border:1px solid var(--border-blue);width:min(920px,100%);box-shadow:var(--shadow-soft);border-radius:16px;flex-direction:column;gap:14px;padding:20px;display:flex}.chat-card header h1{color:var(--blue-900);margin:0;font-family:IBM Plex Serif,Georgia,serif;font-size:1.8rem;line-height:1.1}.chat-card header{justify-content:space-between;align-items:flex-start;gap:16px;display:flex}.header-controls{align-items:center;gap:12px;display:flex}.sidebar-toggle{white-space:nowrap;font-weight:600}.debug-toggle{color:#334155;white-space:nowrap;align-items:center;gap:8px;font-size:.9rem;display:inline-flex}.debug-toggle input{margin:0}.error-banner{background:var(--red-50);color:var(--red-700);border:1px solid var(--red-100);border-radius:8px;padding:10px}.provider-status-banner{border:1px solid var(--border-blue);background:linear-gradient(135deg, var(--blue-50), #ffffffd1);color:#334155;border-radius:8px;flex-wrap:wrap;align-items:center;gap:10px;padding:10px;font-size:.92rem;display:flex}.provider-status-banner strong{text-transform:capitalize}.provider-status-details{color:#475569;flex-direction:column;gap:4px;width:100%;font-size:.84rem;display:flex}.provider-status-refreshed{color:#64748b;width:100%;font-size:.82rem}.provider-status-refresh{margin-left:auto;padding:6px 10px;font-size:.84rem}.provider-status-ready{color:#166534;background:#ecfdf5;border-color:#86efac}.provider-status-misconfigured,.provider-status-model_missing,.provider-status-default_model_missing{color:#9a3412;background:#fff7ed;border-color:#fdba74}.provider-status-unreachable,.provider-status-unknown{color:#1d4ed8;background:#eff6ff;border-color:#93c5fd}.pending-tool-banner{background:var(--yellow-50);color:var(--yellow-700);border:1px solid var(--yellow-200);border-radius:8px;flex-wrap:wrap;align-items:center;gap:10px;padding:10px;font-size:.92rem;display:flex}.chat-window{border:1px solid var(--border-blue);background:linear-gradient(#eff6ffb8,#fffbeb7a);border-radius:12px;flex-direction:column;gap:10px;min-height:420px;max-height:55vh;padding:12px;display:flex;overflow-y:auto}.chat-window.empty-state{justify-content:center;align-items:center}.message-row{display:flex}.message-row.user{justify-content:flex-end}.message-row.assistant{justify-content:flex-start}.message-bubble{background:#fff;border:1px solid #94a3b859;border-radius:12px;max-width:80%;padding:10px 12px}.message-row.user .message-bubble{background:linear-gradient(135deg, var(--blue-100), var(--blue-50));border-color:#3b82f657}.message-markdown{flex-direction:column;gap:10px;display:flex}.message-paragraph{white-space:pre-wrap;margin:0}.message-provider-summary{color:#64748b;margin-top:.55rem;font-size:.82rem}.message-heading{color:#0f172a;margin:0}.message-heading-1,.message-heading-2,.message-heading-3{font-size:1rem}.message-heading-4,.message-heading-5,.message-heading-6{font-size:.92rem}.message-rule{border:none;border-top:1px solid #dbe2ea;width:100%;margin:0}.message-list{flex-direction:column;gap:6px;margin:0;padding-left:20px;display:flex}.message-list li{white-space:pre-wrap}.message-code-block{flex-direction:column;gap:6px;display:flex}.message-code-language{color:#526072;text-transform:lowercase;font-size:.76rem}.message-code-block pre{color:#e2e8f0;background:#0f172a;border-radius:10px;margin:0;padding:12px;font-size:.82rem;line-height:1.45;overflow:auto}.message-code-block code,.message-paragraph code,.message-list code,.message-heading code{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,Courier New,monospace}.message-paragraph code,.message-list code,.message-heading code{color:#0f172a;background:#e2e8f0;border-radius:4px;padding:0 4px}.tool-provenance{color:#334155;background:#eff6ffb8;border:1px solid #dbe2ea;border-radius:10px;flex-direction:column;gap:6px;margin-top:10px;padding:10px;font-size:.82rem;display:flex}.tool-provenance-header{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.tool-provenance-label{letter-spacing:.04em;text-transform:uppercase;color:#64748b;font-size:.74rem;font-weight:700}.tool-provenance-name{color:#0f172a;word-break:break-word;font-weight:600}.tool-provenance-summary,.tool-provenance-result{color:#475569}.tool-status-badge{letter-spacing:.02em;text-transform:uppercase;border-radius:999px;align-items:center;padding:2px 8px;font-size:.74rem;font-weight:700;display:inline-flex}.tool-status-success{color:#166534;background:#dcfce7}.tool-status-failed{color:#991b1b;background:#fee2e2}.tool-status-clarification-needed{color:#9a3412;background:#fff7ed}.tool-provenance-success{background:#f0fdf4;border-color:#bbf7d0}.tool-provenance-failed{background:#fff1f2;border-color:#fecaca}.tool-provenance-clarification-needed{background:#fff7ed;border-color:#fdba74}.tool-variance-hint{background:var(--yellow-50);color:var(--yellow-700);border-radius:10px;margin-top:8px;padding:8px 10px;font-size:.8rem}.tool-result-card{color:#334155;border-top:1px dashed #dbe2ea;flex-direction:column;gap:4px;margin-top:10px;padding-top:8px;font-size:.82rem;display:flex}.tool-result-title{color:#0f172a;font-weight:600}.tool-result-item{border-left:2px solid #dbeafe;flex-direction:column;gap:3px;padding-left:8px;display:flex}.tool-result-item-title{color:#0f172a;font-weight:600}.tool-result-actions{flex-wrap:wrap;gap:6px;margin-top:4px;display:flex}.tool-result-actions button,.artifact-panel button,.artifact-file-actions button{background:linear-gradient(135deg, var(--button-blue-start), var(--button-blue-end));color:#fff;font:inherit;cursor:pointer;border:1px solid #0000;border-radius:8px;padding:5px 8px;font-size:.78rem;font-weight:700;transition:background .16s,border-color .16s,box-shadow .16s,filter .16s,transform .16s}.tool-result-actions button:not(:disabled):hover,.artifact-panel button:not(:disabled):hover,.artifact-file-actions button:not(:disabled):hover{background:linear-gradient(135deg, var(--button-blue-start), var(--button-blue-end));box-shadow:0 10px 20px var(--button-blue-shadow);filter:brightness(1.02);transform:translateY(-2px)}.tool-result-actions button:disabled,.artifact-panel button:disabled,.artifact-file-actions button:disabled{cursor:not-allowed;filter:grayscale(.2);opacity:.62}.provider-metadata{color:#526072;border-top:1px dashed #dbe2ea;flex-direction:column;gap:4px;margin-top:10px;padding-top:8px;font-size:.8rem;display:flex}.provider-metadata-title{text-transform:lowercase;color:#334155;font-weight:600}.artifact-panel{border:1px solid var(--border-blue);background:#eff6ffb8;border-radius:12px;flex-direction:column;gap:10px;padding:12px;display:flex}.artifact-panel-header{justify-content:space-between;align-items:flex-start;gap:12px;display:flex}.artifact-panel-header div{color:#334155;flex-direction:column;gap:4px;font-size:.88rem;display:flex}.artifact-panel-empty{color:#64748b;background:#fff;border:1px dashed #cbd5e1;border-radius:10px;padding:10px 12px;font-size:.88rem}.artifact-file-list{flex-direction:column;gap:8px;display:flex}.artifact-file-item{background:#fff;border:1px solid #dbe2ea;border-radius:10px;justify-content:space-between;align-items:center;gap:12px;padding:8px 10px;font-size:.86rem;display:flex}.artifact-file-item span{overflow-wrap:anywhere}.artifact-file-actions{flex-wrap:wrap;gap:6px;display:flex}.artifact-preview{flex-direction:column;gap:8px;display:flex}.artifact-preview-meta{color:#526072;flex-wrap:wrap;gap:10px;font-size:.82rem;display:flex}.artifact-preview pre{color:#e2e8f0;background:#0f172a;border-radius:10px;margin:0;padding:12px;font-size:.82rem;line-height:1.45;overflow:auto}.input-box{border:1px solid var(--border-blue);background:linear-gradient(135deg,#eff6ffc7,#fffbeb80);border-radius:12px;flex-direction:column;gap:10px;padding:12px;display:flex}.controls-row{flex-wrap:wrap;align-items:center;gap:12px;display:flex}.control-field{color:#334155;flex-direction:column;gap:4px;min-width:0;font-size:.86rem;font-weight:600;display:flex}.control-field select{border:1px solid #cbd5e1;border-radius:8px;padding:6px 8px}.checkbox-wrap{align-items:center;gap:6px;margin-top:20px;display:flex}.composer-row{gap:10px;display:flex}.composer-row textarea{resize:vertical;min-height:88px;font:inherit;border:1px solid #cbd5e1;border-radius:8px;flex:1;padding:10px}.composer-row button{background:linear-gradient(135deg, var(--button-blue-start), var(--button-blue-end));color:#fff;cursor:pointer;border:none;border-radius:8px;align-self:flex-end;padding:10px 16px;font-weight:600;transition:box-shadow .16s,filter .16s,transform .16s}.composer-row button:not(:disabled):hover{box-shadow:0 12px 24px var(--button-blue-shadow);filter:brightness(1.02);transform:translateY(-2px)}.composer-row button:disabled{cursor:not-allowed;opacity:.55}.input-status{color:#475569;margin:0;font-size:.86rem}@media (width<=700px){.chat-layout{grid-template-columns:1fr}.session-sidebar{max-height:none}.session-sidebar-header{flex-direction:column;align-items:flex-start}.session-sidebar-actions{flex-wrap:wrap;width:100%}.chat-card{padding:14px}.chat-card header{flex-direction:column;align-items:flex-start}.composer-row{flex-direction:column}.composer-row button{width:100%}.message-bubble{max-width:95%}}@media (prefers-reduced-motion:reduce){.page-action-button,.tool-result-actions button,.artifact-panel button,.artifact-file-actions button,.composer-row button{transition:none}.page-action-button:not(:disabled):hover,.tool-result-actions button:not(:disabled):hover,.artifact-panel button:not(:disabled):hover,.artifact-file-actions button:not(:disabled):hover,.composer-row button:not(:disabled):hover{transform:none}}.rag-page{background:linear-gradient(135deg,#dbeafe57,#0000 40%),linear-gradient(315deg,#fef3c76b,#0000 44%);min-height:100vh;padding:1.25rem 1.5rem 2rem}.rag-shell{grid-template-columns:minmax(240px,280px) minmax(0,1fr);gap:1rem;max-width:1180px;margin:0 auto;display:grid}.rag-shell.sidebar-hidden{grid-template-columns:minmax(0,1fr)}.rag-main-card,.rag-session-sidebar,.rag-status-strip,.rag-query-card,.rag-answer-card,.rag-empty-state{background:var(--surface);border:1px solid var(--border-blue);box-shadow:var(--shadow-soft);border-radius:18px}.rag-main-card{background:linear-gradient(#ffffffeb,#eff6ffc2);align-content:start;gap:.9rem;min-width:0;padding:1rem;display:grid}.rag-main-header{justify-content:space-between;align-items:flex-start;gap:1rem;display:flex}.rag-header-controls{align-items:center;gap:.75rem;display:flex}.rag-debug-toggle{color:var(--ink-700);white-space:nowrap;align-items:center;gap:.5rem;font-size:.9rem;display:inline-flex}.rag-debug-toggle input{margin:0}.rag-main-header h1,.rag-status-strip h2,.rag-empty-state h2,.rag-answer-card h2,.rag-answer-card h3{font-family:IBM Plex Serif,Georgia,serif}.rag-main-header h1,.rag-session-sidebar h2,.rag-status-strip h2,.rag-empty-state h2,.rag-answer-card h2,.rag-answer-card h3{margin:0}.rag-main-header h1{color:var(--blue-900);font-size:1.8rem;line-height:1.1}.rag-main-header p{color:#475569;margin:.25rem 0 0}.rag-status-strip{background:linear-gradient(135deg, var(--blue-50), #fffbeb9e);border-color:var(--border-blue);gap:.45rem;padding:.75rem .85rem;display:grid}.rag-status-strip__summary{flex-wrap:wrap;align-items:center;gap:.65rem .85rem;display:flex}.rag-status-strip h2{font-size:1rem}.rag-status-strip dl{flex-wrap:wrap;flex:520px;align-items:center;gap:.55rem .9rem;margin:0;display:flex}.rag-status-strip dt{color:#64748b;letter-spacing:.06em;text-transform:uppercase;margin:0;font-size:.72rem;font-weight:800}.rag-status-strip dd{color:var(--blue-900);margin:.08rem 0 0;font-size:.9rem;font-weight:700}.rag-status-strip p,.rag-status-note{margin:0}.rag-status-note{color:#475569;font-size:.84rem;line-height:1.35}.rag-status-note-ok{color:#166534}.rag-status-note-warning{color:var(--yellow-700);font-weight:700}.rag-query-card{background:linear-gradient(135deg,#ffffffeb,#fffbeb9e);gap:.75rem;padding:.85rem;display:grid}.rag-query-card__controls{grid-template-columns:repeat(2,minmax(0,1fr));gap:.75rem;display:grid}.rag-query-card label{color:var(--blue-900);flex-direction:column;gap:.35rem;font-size:.92rem;font-weight:700;display:flex}.rag-query-card select,.rag-query-card textarea{border:1px solid var(--border-blue);color:#0f172a;font:inherit;background:#fff;border-radius:12px;padding:.65rem .75rem}.rag-query-card__question textarea{resize:vertical;min-height:5rem}.rag-query-card__actions{flex-wrap:wrap;justify-content:flex-start;gap:.5rem;display:flex}.rag-query-card__help{color:#64748b;margin:-.25rem 0 0;font-size:.84rem;line-height:1.35}.rag-query-card__readiness{border-radius:12px;margin:-.1rem 0 0;padding:.55rem .7rem;font-size:.84rem;line-height:1.35}.rag-query-card__readiness strong{font-weight:800}.rag-query-card__readiness-ok{color:#166534;background:#ecfdf5}.rag-query-card__readiness-warning{background:var(--yellow-50);color:var(--yellow-700)}.rag-query-card__readiness-neutral{background:var(--blue-50);color:var(--ink-700)}.rag-latest-answer,.rag-history,.rag-answer-turn{gap:.65rem;display:grid}.rag-comparison-results{gap:.75rem;display:grid}.rag-latest-answer>h2,.rag-history>h2,.rag-comparison-results h2{color:#475569;letter-spacing:.08em;text-transform:uppercase;margin:0;font-size:.76rem;font-weight:800}.rag-comparison-results__header{gap:.25rem;display:grid}.rag-comparison-results__header p{color:#475569;margin:0}.rag-comparison-results__list{gap:.8rem;display:grid}.rag-comparison-target{gap:.55rem;display:grid}.rag-comparison-target__header{justify-content:space-between;align-items:center;gap:.75rem;display:flex}.rag-comparison-target__header h3{color:#0f172a;margin:0;font-size:1rem}.rag-comparison-target__status-ok,.rag-comparison-target__status-error{text-transform:uppercase;border-radius:999px;padding:.18rem .55rem;font-size:.76rem;font-weight:800}.rag-comparison-target__status-ok{color:#166534;background:#dcfce7}.rag-comparison-target__status-error{background:var(--red-100);color:var(--red-700)}.rag-comparison-target__error{background:var(--red-50);color:#9f1239;border:1px solid #fecdd3;border-radius:14px;margin:0;padding:.75rem}.rag-question-summary{background:var(--blue-50);border:1px solid var(--border-blue);border-radius:14px;gap:.25rem;padding:.6rem .75rem;display:grid}.rag-question-summary span{color:#475569;letter-spacing:.06em;text-transform:uppercase;font-size:.74rem;font-weight:800}.rag-question-summary p{color:#334155;white-space:pre-wrap;margin:0}.rag-answer-card{background:#ffffffeb;gap:.85rem;padding:.9rem 1rem;display:grid}.rag-answer-card__header{justify-content:space-between;align-items:baseline;gap:.85rem;display:flex}.rag-answer-card__header p,.rag-answer-card__body p,.rag-answer-card__sources p,.rag-empty-state p{margin:0}.rag-answer-card__sources{gap:.55rem;display:grid}.rag-technical-details{background:var(--blue-50);border:1px solid var(--border-blue);border-radius:12px;gap:.35rem;margin:0;padding:.65rem .75rem;display:grid}.rag-technical-details div{grid-template-columns:minmax(8rem,.42fr) 1fr;gap:.25rem;display:grid}.rag-technical-details dt{color:#475569;text-transform:uppercase;font-size:.78rem;font-weight:800}.rag-technical-details dd{color:#0f172a;margin:0;font-size:.9rem}.rag-answer-card__sources ul{gap:.65rem;margin:0;padding:0;list-style:none;display:grid}.rag-answer-card__sources li{background:linear-gradient(135deg, var(--blue-50), #ffffffd1);border:1px solid var(--border-blue);border-radius:14px;padding:.75rem}.rag-source__meta{gap:.12rem;margin-bottom:.45rem;display:grid}.rag-source__meta span{color:#475569;font-size:.86rem}.rag-empty-state{gap:.35rem;padding:.85rem 1rem;display:grid}.rag-empty-state--inline{box-shadow:none}.rag-session-sidebar{background:linear-gradient(180deg, var(--surface-blue), #ffffffd6);align-self:start;gap:.85rem;min-width:0;padding:1rem;display:grid}.rag-session-sidebar__header{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:.75rem;display:flex}.rag-session-sidebar__actions{flex-wrap:wrap;gap:.5rem;display:flex}.rag-session-sidebar__header h2{font-size:1rem}.rag-session-item__actions{gap:.5rem;display:grid}.rag-session-item__actions .rag-action-button{justify-content:center;width:100%}.rag-session-export-help{color:#475569;flex-basis:100%;margin:0;font-size:.88rem}.rag-session-sidebar__import{display:none}.rag-session-list{gap:.75rem;display:grid}.rag-session-item{background:#ffffffd1;border:1px solid #3b82f638;border-radius:14px;gap:.65rem;padding:.75rem;display:grid}.rag-session-item.active{background:linear-gradient(135deg, var(--blue-50), #fef3c78c);border-color:var(--blue-500);box-shadow:inset 4px 0 0 var(--blue-500)}.rag-session-open{color:#0f172a;cursor:pointer;text-align:left;background:0 0;border:none;gap:.25rem;width:100%;min-width:0;padding:0;display:grid}.rag-session-title{overflow-wrap:anywhere;font-weight:800}.rag-session-summary,.rag-session-meta,.rag-session-empty{color:#475569}.rag-session-summary,.rag-session-meta{overflow-wrap:anywhere;font-size:.88rem}.rag-action-button{background:linear-gradient(135deg, var(--button-blue-start), var(--button-blue-end));color:#fff;cursor:pointer;font:inherit;border:1px solid #0000;border-radius:10px;padding:.48rem .78rem;font-size:.85rem;font-weight:700;transition:background .16s,border-color .16s,box-shadow .16s,filter .16s,transform .16s}.rag-action-button:not(:disabled):hover{background:linear-gradient(135deg, var(--button-blue-start), var(--button-blue-end));box-shadow:0 12px 24px var(--button-blue-shadow);filter:brightness(1.02);transform:translateY(-2px)}.rag-action-button:focus-visible{outline-offset:2px;outline:2px solid #bfdbfe}.rag-action-button:disabled{cursor:not-allowed;filter:grayscale(.2);opacity:.62}.rag-primary-button{background:linear-gradient(135deg, var(--button-blue-start), var(--button-blue-end));color:#fff;border-color:#0000}.rag-primary-button:not(:disabled):hover{background:linear-gradient(135deg, var(--button-blue-start), var(--button-blue-end));box-shadow:0 12px 24px var(--button-blue-shadow);filter:brightness(1.02)}.rag-action-button-danger{background:linear-gradient(135deg, var(--button-red-start), var(--button-red-end));color:#fff;border-color:#0000}.rag-action-button-danger:not(:disabled):hover{background:linear-gradient(135deg, var(--button-red-start), var(--button-red-end));box-shadow:0 12px 24px var(--button-red-shadow);filter:brightness(1.02)}@media (prefers-reduced-motion:reduce){.rag-action-button{transition:none}.rag-action-button:not(:disabled):hover{transform:none}}.rag-error{background:var(--red-50);color:var(--red-700);border:1px solid #fecdd3;border-radius:14px;margin:0;padding:.85rem 1rem}@media (width<=900px){.rag-page{padding:1rem}.rag-shell,.rag-query-card__controls{grid-template-columns:1fr}.rag-main-header{flex-direction:column;align-items:stretch}}.app-shell{min-height:100vh}.app-nav{-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);border-bottom:1px solid var(--border-blue);z-index:20;background:linear-gradient(135deg,#eff6fff0,#fffbebe0);grid-template-columns:minmax(15rem,1fr) auto minmax(15rem,1fr);align-items:center;gap:.85rem;padding:.9rem 1rem;display:grid;position:sticky;top:0;box-shadow:0 8px 30px #102a5614}.app-nav__brand{background:linear-gradient(135deg,#0f3f7f 12%,#d97706 88%);color:#0000;letter-spacing:-.045em;text-align:center;text-shadow:0 8px 22px #102a561f;white-space:nowrap;-webkit-background-clip:text;background-clip:text;font-family:IBM Plex Serif,Georgia,serif;font-size:clamp(1.55rem,3vw,2.25rem);font-weight:800}.app-nav__credits{color:var(--ink-600);flex-wrap:wrap;justify-content:flex-start;align-items:center;gap:.2rem .45rem;font-size:.78rem;line-height:1.35;display:flex}.app-nav__credits a{color:var(--blue-900);font-weight:700;text-decoration:none}.app-nav__credits a:hover{text-decoration:underline}.app-nav__tabs{justify-content:flex-end;gap:.55rem;padding-top:.1rem;display:flex}.app-nav__tabs button{border:1px solid var(--border-blue);color:var(--blue-900);cursor:pointer;font:inherit;background:#ffffffc7;border-radius:999px;padding:.45rem .78rem;font-size:.9rem;font-weight:700;transition:background .16s,border-color .16s,box-shadow .16s,filter .16s,transform .16s}.app-nav__tabs button:not(:disabled):hover{background:var(--blue-50);border-color:#3b82f673;transform:translateY(-1px);box-shadow:0 12px 26px #2563eb29}.app-nav__tabs button:disabled{cursor:default;opacity:1}.app-nav__tabs button.app-nav__tab--active{background:linear-gradient(135deg, var(--button-blue-start), var(--button-blue-end));box-shadow:0 10px 24px var(--button-blue-shadow);color:#fff;border-color:#0000}.app-nav__tabs button.app-nav__tab--active:not(:disabled):hover{background:linear-gradient(135deg, var(--button-blue-start), var(--button-blue-end));box-shadow:0 12px 26px var(--button-blue-shadow);filter:brightness(1.02)}.app-nav__tabs button.app-nav__tab--disabled{color:var(--ink-500);background:#f8fafcc7;border-style:dashed}.app-nav__hint{background:var(--surface-warm);border-bottom:1px solid var(--border-warm);color:var(--yellow-700);margin:0;padding:.55rem 1rem .7rem;font-size:.9rem}.app-loading{color:var(--ink-700);place-items:center;min-height:45vh;display:grid}@media (prefers-reduced-motion:reduce){.app-nav__tabs button{transition:none}.app-nav__tabs button:not(:disabled):hover{transform:none}}@media (width<=700px){.app-nav{grid-template-columns:1fr}.app-nav__tabs{justify-content:center;padding-top:.35rem}.app-nav__credits{order:3;justify-content:center}.app-nav__brand{white-space:normal;order:1}.app-nav__tabs{order:2}}:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--ink-900:#102033;--ink-700:#334155;--ink-500:#64748b;--blue-900:#102a56;--blue-700:#1d4ed8;--blue-500:#3b82f6;--blue-100:#dbeafe;--blue-50:#eff6ff;--red-700:#b42336;--red-100:#ffe4e6;--red-50:#fff1f2;--yellow-700:#a16207;--yellow-200:#fde68a;--yellow-100:#fef3c7;--yellow-50:#fffbeb;--green-700:#166534;--green-100:#dcfce7;--button-blue-start:#4f8fdc;--button-blue-end:#2f5fa8;--button-blue-shadow:#2f5fa833;--button-red-start:#e36b75;--button-red-end:#b94755;--button-red-shadow:#b947552e;--surface:#ffffffe6;--surface-blue:#eff6ffdb;--surface-warm:#fffbebe6;--border-blue:#3b82f63d;--border-warm:#f59e0b3d;--border-neutral:#94a3b852;--shadow-soft:0 18px 48px #102a561f;color:var(--ink-900);background:radial-gradient(circle at 10% 0,#3b82f62e,#0000 28rem),radial-gradient(circle at 92% 10%,#ef44441f,#0000 24rem),radial-gradient(circle at 72% 92%,#f59e0b29,#0000 26rem),linear-gradient(#edf6ff 0%,#fff8eb 100%);font-family:IBM Plex Sans,Segoe UI,sans-serif}*{box-sizing:border-box}body{background:0 0;min-height:100vh;margin:0}