:root{--bg:#fcfcfa;--sidebar:#f2f3ee;--text:#252c29;--muted:#7c847f;--border:#e3e6de;--accent:#3f6252;--accent-hover:#304e40;--sage:#eaf0e8;--danger:#b74c36;--font:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font);font-size:14px}button,input,textarea,select{font:inherit}button{cursor:pointer}button:disabled{cursor:wait;opacity:.55}a{color:var(--accent)}button,a,input,select,textarea{outline-offset:4px}button{color:inherit}button svg{width:21px;height:21px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}.hidden{display:none!important}.shell{display:flex;height:100dvh;min-height:400px}.sidebar{width:272px;flex-shrink:0;padding:27px 18px 14px;background:var(--sidebar);border-right:1px solid var(--border);display:flex;flex-direction:column}.brand{display:flex;align-items:center;gap:9px;text-decoration:none;color:var(--text);font-size:24px;font-weight:650;letter-spacing:-1px;flex-wrap:wrap;padding:0 10px}.brand-mark{background:var(--accent);color:white;width:32px;height:32px;border-radius:9px;display:grid;place-content:center;font-size:24px}.new-chat{margin:31px 0 28px;background:var(--bg);border:1px solid #d8ded4;border-radius:9px;padding:12px 13px;display:flex;align-items:center;gap:10px;text-align:left;font-weight:550;box-shadow:0 1px 2px #263c2810}.new-chat span{font-size:21px;font-weight:400;line-height:1}.new-chat kbd{margin-left:auto;font:10px var(--font);color:var(--muted);border:1px solid var(--border);padding:3px 4px;border-radius:4px}.history-heading{display:flex;justify-content:space-between;align-items:center;padding:0 9px 8px;font-size:10px;letter-spacing:1.3px;color:var(--muted)}.text-button{background:none;border:0;color:var(--muted);padding:5px;font-size:12px}.text-button:hover{color:var(--accent)}.chat-search{width:100%;padding:8px 11px;border:0;border-bottom:1px solid var(--border);border-radius:0;background:transparent;margin-bottom:9px;font-size:12px}.chat-list{overflow:auto;flex:1;padding-top:4px}.chat-row{display:flex;align-items:center;gap:2px;border-radius:7px;margin:2px 0}.chat-row:hover,.chat-row.selected{background:#e3e9df}.chat-open{border:0;background:transparent;text-align:left;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;padding:11px 10px;flex:1;min-width:0;font-size:13px}.chat-menu{background:none;border:0;color:var(--muted);padding:9px;font-size:16px;opacity:0}.chat-row:hover .chat-menu,.chat-menu:focus{opacity:1}.empty-history{padding:15px 10px;color:var(--muted);font-size:12px;line-height:1.7}.sidebar-bottom{padding-top:18px}.budget-card{border:1px solid #dde2d7;background:#fafbf7;border-radius:10px;padding:15px;width:100%;text-align:left}.budget-heading{display:flex;justify-content:space-between;align-items:center;font-size:11px;color:#686f66}.badge{font-size:10px;border-radius:4px;padding:3px 6px;background:#e8ede4;color:var(--accent)}.budget-value{font-size:25px;margin:12px 0 7px;letter-spacing:-.7px}.budget-value small{font-size:11px;color:var(--muted);letter-spacing:0}.budget-caption{font-size:10px;color:var(--muted);margin-top:8px;line-height:1.5}.weekly-mini{font-size:11px;margin-top:9px;color:#647460}progress{display:block;width:100%;height:4px;border:none;border-radius:4px;overflow:hidden;background:#e0e6da}progress::-webkit-progress-bar{background:#e0e6da}progress::-webkit-progress-value{background:#759166;border-radius:4px}progress::-moz-progress-bar{background:#759166}.account{display:flex;align-items:center;gap:10px;width:100%;padding:17px 5px 3px;background:none;border:0;text-align:left}.avatar{display:grid;place-content:center;flex-shrink:0;width:32px;height:32px;border-radius:50%;background:#dde4d8;color:#586751;font-size:12px}.account strong{display:block;font-size:12px;font-weight:550}.account small{font-size:10px;display:block;margin-top:4px;color:var(--muted)}.account-arrow{margin-left:auto;color:var(--muted)}.main{flex:1;min-width:0;display:flex;flex-direction:column}.topbar{height:80px;border-bottom:1px solid var(--border);display:flex;align-items:center;padding:0 36px;gap:20px;flex-shrink:0}.topbar-right{display:flex;align-items:center;gap:15px;margin-left:auto}.conversation{flex:1;min-height:0;overflow:auto;scroll-behavior:smooth}.welcome{max-width:760px;margin:auto;padding:clamp(40px,12vh,125px) 25px 30px}.welcome h1{font-weight:550;font-size:clamp(32px,4vw,45px);letter-spacing:-1.7px;margin:19px 0 15px}.welcome p{font-size:15px;line-height:1.8;color:#7b817a}.suggestions{display:grid;grid-template-columns:repeat(3,1fr);gap:11px;margin-top:35px}.suggestions button{position:relative;border:1px solid var(--border);border-radius:10px;text-align:left;padding:17px;background:transparent;min-height:128px;transition:background .15s,border-color .15s}.suggestions button:hover{background:var(--sage);border-color:#c4d3bf}.messages{max-width:820px;margin:auto;padding:35px 38px}.message{margin-bottom:32px;line-height:1.75;word-break:break-word}.message-header{display:flex;gap:9px;align-items:center;margin-bottom:10px;font-size:11px;color:var(--muted)}.message-header strong{color:var(--text);font-weight:550}.message-header .message-mark{width:22px;height:22px;border-radius:6px;background:var(--accent);color:#fff;font-size:13px;display:grid;place-content:center}.message.user{margin-left:auto;width:fit-content;max-width:85%;padding:12px 18px;background:#ecf0e7;border-radius:12px 12px 2px 12px;white-space:pre-wrap;font-size:14px}.message .markdown p{margin:0 0 13px}.markdown h1,.markdown h2,.markdown h3{font-weight:600;line-height:1.4}.markdown h1{font-size:24px}.markdown h2{font-size:21px}.markdown h3{font-size:18px}.markdown pre{position:relative;background:#eef1eb;border:1px solid #e0e5da;border-radius:8px;padding:18px;overflow:auto;font-size:12px;line-height:1.65}.markdown code{font-family:Consolas,"Liberation Mono",monospace}.markdown :not(pre)>code{background:#edf0e8;padding:2px 5px;border-radius:4px;font-size:.88em}.markdown blockquote{border-left:3px solid #adbe9f;color:#707d69;margin-left:0;padding-left:18px}.markdown table{border-collapse:collapse;max-width:100%;display:block;overflow:auto;font-size:12px}.markdown td,.markdown th{border:1px solid var(--border);padding:8px 12px}.markdown img{max-width:100%;border-radius:6px}.message-meta{display:flex;gap:14px;align-items:center;color:#899184;font-size:10px;margin-top:9px;flex-wrap:wrap}.message-copy{border:0;background:none;color:var(--muted);font-size:10px;padding:0}.tool-log{border:1px solid var(--border);border-radius:8px;background:#f6f7f2;margin-bottom:14px;padding:10px 13px;font-size:12px;color:#6c7b61}.tool-log summary{cursor:pointer;list-style-position:inside}.tool-log pre{max-height:240px;overflow:auto;white-space:pre-wrap;font-size:11px;color:#525c4c}.tool-log img{display:block;width:auto;max-width:100%;max-height:450px;margin-top:15px}.composer-wrap{max-width:820px;width:100%;margin:0 auto;padding:12px 38px 22px;flex-shrink:0}.composer{background:#fff;border:1px solid #d8ded3;border-radius:14px;padding:15px 16px 11px;box-shadow:0 3px 13px #2d402306}.composer:focus-within{border-color:#a4b799;box-shadow:0 3px 14px #2d402310}.composer textarea{border:0;background:none;outline:none;resize:none;max-height:170px;width:100%;line-height:1.6;color:var(--text);min-height:43px;padding:0 2px;font-size:14px}.composer textarea::placeholder{color:#9bA394}.composer-bottom{display:flex;justify-content:space-between;align-items:center;margin-top:8px}.composer-actions{display:flex;align-items:center;gap:12px;min-width:0}.icon-button{width:30px;height:30px;background:none;border:0;display:grid;place-content:center;color:var(--muted);border-radius:5px;font-size:24px}.icon-button:hover{background:#eaf0e5}.send-button{background:var(--accent);color:#fff;border:0;border-radius:8px;width:35px;height:35px;display:grid;place-content:center}.send-button:hover{background:var(--accent-hover)}.stream-status{font-size:10px;color:var(--muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:260px}.composer-note{display:flex;justify-content:space-between;font-size:9px;color:#989f92;margin:11px 3px 0;gap:12px}.attachments{display:flex;gap:7px;flex-wrap:wrap;margin-bottom:8px}.file-chip{background:var(--sage);border:1px solid #dce4d6;border-radius:6px;padding:6px 9px;font-size:11px;display:flex;gap:8px;align-items:center}.file-chip button{border:0;background:none;padding:0;color:var(--muted)}.error-banner{margin:12px 35px 0;border:1px solid #eed5cd;background:#fcf0e9;color:#9c4d36;padding:10px 14px;border-radius:7px;font-size:12px}.mobile-only{display:none}dialog{border:1px solid var(--border);border-radius:16px;width:min(470px,calc(100vw - 28px));max-height:85dvh;padding:26px;background:var(--bg);color:var(--text);box-shadow:0 20px 100px #16270f20}dialog::backdrop{background:#27332345;backdrop-filter:blur(3px)}.wide-dialog{width:min(850px,calc(100vw - 28px))}.dialog-heading{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}.dialog-heading h2{font-size:20px;font-weight:550;letter-spacing:-.5px;margin:0}.muted{font-size:12px;color:var(--muted);line-height:1.7}.fine-print{font-size:11px;color:var(--muted);line-height:1.7}.primary{background:var(--accent);color:white;border:0;padding:12px 17px;border-radius:8px;font-weight:550;font-size:13px}.primary:hover{background:var(--accent-hover)}.secondary{background:var(--sage);border:1px solid #d8e2d3;border-radius:7px;padding:9px 12px;font-size:12px}.full{width:100%;margin-top:14px}.stack{display:flex;flex-direction:column;gap:16px}.stack label{display:flex;flex-direction:column;gap:8px;font-size:12px}.tabs{display:flex;border-bottom:1px solid var(--border);margin-bottom:24px;gap:20px}.tabs button{border:0;background:none;font-size:12px;padding:10px 0;color:var(--muted)}.tabs button.active{border-bottom:2px solid var(--accent);color:var(--accent)}.inline-error{font-size:12px;color:var(--danger);margin:0}.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse;font-size:11px}th{text-align:left;color:var(--muted);font-weight:500;padding:10px;border-bottom:1px solid var(--border)}td{padding:10px;border-bottom:1px solid var(--border);white-space:nowrap}td small{display:block;color:var(--muted);font-size:10px;margin-top:4px}.quota-cards{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.quota-detail{border:1px solid var(--border);padding:15px;border-radius:9px}.quota-detail strong{display:block;font-size:21px;margin:8px 0}.quota-detail span{font-size:11px;color:var(--muted)}.search-row{display:flex;gap:10px;margin:20px 0}.search-row input{flex:1}.admin-summary{font-size:12px;color:var(--muted);line-height:1.8}.admin-users{display:flex;flex-direction:column;gap:15px}.admin-user{border:1px solid var(--border);padding:14px;border-radius:9px}.admin-user header{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.admin-user small{color:var(--muted);font-size:11px}.admin-user .admin-actions{display:flex;gap:6px;margin-top:13px;flex-wrap:wrap}.admin-user input{width:75px;padding:7px}.admin-user select{width:150px;padding:7px;font-size:11px}.admin-user button{font-size:11px;padding:7px 10px}.danger{color:var(--danger)}.toast{position:fixed;bottom:25px;left:50%;transform:translateX(-50%);padding:12px 20px;border-radius:9px;background:#283c2e;color:white;font-size:12px;box-shadow:0 4px 20px #0002;z-index:100}.file-list-row{display:flex;align-items:center;gap:8px;border:1px solid var(--border);padding:8px;border-radius:7px}.file-list-row .file-pick{flex:1;min-width:0;background:none;border:0;text-align:left;overflow:hidden;text-overflow:ellipsis;font-size:12px;padding:5px}.running-dot{display:inline-block;width:6px;height:6px;border-radius:50%;background:#91aa7b;animation:pulse 1s infinite}@keyframes pulse{50%{opacity:.2}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;animation:none!important}}@media(min-width:1500px){.welcome{padding-top:17vh}.sidebar{width:290px}}@media(max-width:1000px){.topbar{padding:0 25px}.sidebar{width:245px}.messages{padding:28px}.composer-wrap{padding:12px 25px 18px}.composer-note span:last-child{display:none}.suggestions{gap:8px}.suggestions button{padding:13px}}@media(max-width:700px){.sidebar{display:none;position:fixed;inset:0 auto 0 0;z-index:20;width:280px;box-shadow:20px 0 100px #1f3b2940}.sidebar.open{display:flex}.mobile-only{display:grid}.topbar{height:68px;padding:0 15px;gap:12px}.topbar-right{gap:5px}.welcome{padding:45px 24px 20px}.welcome h1{font-size:35px}.suggestions{grid-template-columns:1fr;margin-top:25px;gap:8px}.suggestions button{min-height:68px;padding:14px 18px}.messages{padding:25px 20px}.composer-wrap{padding:10px 13px 15px}.composer{padding:12px}.composer textarea{font-size:16px}.stream-status{max-width:140px;font-size:9px}.composer-actions{gap:7px}.composer-note{font-size:8px}.message.user{max-width:92%}.quota-cards{grid-template-columns:1fr}.error-banner{margin:10px 15px 0}.chat-menu{opacity:1}dialog{padding:21px}} 

:root{--bg:#fff;--sidebar:#f7f7f8;--text:#222;--muted:#737373;--border:#e7e7e7;--accent:#242424;--accent-hover:#444;--sage:#f2f2f2;--danger:#b74c36;--font:-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif}
.sidebar{width:260px;padding:24px 16px 14px;background:var(--sidebar)}
.brand{font-size:21px;letter-spacing:-.6px;gap:10px;padding:0 8px;flex-wrap:nowrap}
.brand-mark{width:30px;height:30px;border-radius:8px;background:#222;font-size:20px}
.new-chat{margin:28px 0 24px;border:1px solid #dedede;box-shadow:none;border-radius:8px;font-size:14px;padding:11px}
.new-chat kbd{font-size:10px}
.history-heading{font-size:12px;letter-spacing:0;color:#777;padding:0 8px 8px}
.chat-search{font-size:13px;padding:9px 8px;margin-bottom:7px}
.chat-row:hover,.chat-row.selected{background:#eaeaea}
.chat-menu{opacity:1}
.empty-history{font-size:13px;line-height:1.6}
.budget-card{background:#fff;border-color:#e3e3e3;border-radius:9px;padding:13px}
.budget-heading{font-size:12px;color:#666}
.badge{background:#efefef;color:#555}
.budget-value{font-size:23px;letter-spacing:-.5px;margin:10px 0}
.budget-caption,.weekly-mini{color:#777;font-size:11px}
progress,progress::-webkit-progress-bar{background:#eaeaea}progress::-webkit-progress-value{background:#555}progress::-moz-progress-bar{background:#555}
.account{padding-top:16px}.account strong{font-size:13px}.account small{font-size:11px}.avatar{background:#e5e5e5;color:#444}
.topbar{height:66px;padding:0 28px;border-bottom:0;gap:10px}
.model-button{display:flex;gap:10px;align-items:center;background:transparent;border:0;padding:9px 10px;border-radius:8px;font-size:16px;font-weight:600;text-align:left}
.model-button:hover{background:#f4f4f4}.chevron{color:#888;font-size:17px;font-weight:400}
.topbar-right{gap:14px}.header-budget{background:transparent;border:1px solid var(--border);border-radius:7px;padding:7px 10px;font-size:12px;color:#666;white-space:nowrap}.header-budget:hover{background:#f7f7f7}
.welcome{max-width:740px;padding:0 25px;text-align:center;position:relative;top:38%;transform:translateY(-38%);margin:0 auto}
.welcome h1{font-size:32px;font-weight:600;letter-spacing:-.9px;margin:0 0 12px}.welcome p{font-size:15px;line-height:1.5;color:#777;margin:0}
.suggestions{display:flex;justify-content:center;flex-wrap:wrap;gap:8px;margin-top:27px}
.suggestions button{min-height:0;padding:10px 13px;border-radius:8px;font-size:12px;text-align:center;background:white;border:1px solid #e3e3e3}
.suggestions button:hover{background:#f5f5f5;border-color:#ccc}
.messages{max-width:820px;padding:26px 38px}.message{font-size:15px;line-height:1.75}.message.user{background:#f1f1f1;font-size:15px;border-radius:16px;padding:12px 17px}.message-header{font-size:12px}.message-header .message-mark{background:#222;border-radius:6px}
.message-meta{color:#888;font-size:11px}.message-copy{font-size:11px;color:#777}.markdown pre{background:#f6f6f6;border-color:#e5e5e5}.markdown :not(pre)>code{background:#f1f1f1}.markdown blockquote{border-color:#bbb;color:#666}
.composer-wrap{max-width:820px;padding:10px 38px 20px}.composer{border:1px solid #d9d9d9;border-radius:16px;box-shadow:0 2px 8px #00000005;padding:16px 16px 11px}.composer:focus-within{border-color:#aaa;box-shadow:none}.composer textarea{min-height:44px;font-size:15px}.composer textarea::placeholder{color:#999}
.composer-actions{gap:7px}.composer-note{font-size:11px;color:#999;margin-top:10px}.composer-bottom{margin-top:10px}
.capability{display:flex;align-items:center;gap:5px;background:transparent;border:1px solid #e5e5e5;border-radius:7px;padding:7px 10px;font-size:12px;color:#737373;white-space:nowrap}
.capability:hover{background:#f7f7f7}.capability[aria-pressed="true"]{background:#e9f1ff;color:#245ea8;border-color:#bed2f0}.capability[aria-pressed="true"]::before{content:'✓';font-size:11px}
.icon-button:hover{background:#eee}.tool-help{width:23px;height:26px;font-size:14px;border:0;color:#999}.send-button{border-radius:50%;width:36px;height:36px;background:#222}.send-button:hover{background:#444}.stream-status{font-size:11px;max-width:160px}
.tool-log{background:#fafafa;color:#555}.file-chip{background:#f4f4f4;border-color:#ddd}.toast{background:#222}.error-banner{background:#fff5f2;border-color:#eed5cd}
dialog{background:#fff;border-radius:12px;box-shadow:0 16px 65px #0002;padding:24px}dialog::backdrop{background:#0005;backdrop-filter:none}.dialog-heading h2{font-size:20px;font-weight:600}.muted{font-size:13px;color:#737373}.fine-print{font-size:12px;line-height:1.6}.secondary{background:#f5f5f5;border-color:#ddd}.primary{background:#222}.primary:hover{background:#444}
.models-dialog{width:min(540px,calc(100vw - 28px));padding:24px;max-height:88dvh}.models-dialog>.muted{margin:0 0 16px;line-height:1.5}.model-search{width:100%;padding:11px 13px;border:1px solid #ddd;border-radius:8px;margin-bottom:12px;background:#fafafa;font-size:14px}
.model-list{max-height:42dvh;overflow:auto;display:flex;flex-direction:column;gap:4px;padding-right:3px}.model-option{display:flex;align-items:center;gap:12px;text-align:left;width:100%;background:#fff;border:1px solid transparent;border-radius:8px;padding:11px 12px;flex-shrink:0}.model-option:hover{background:#f6f6f6}.model-option.selected{background:#f2f2f2;border-color:#d6d6d6}
.model-initial{width:34px;height:34px;display:grid;place-content:center;border:1px solid #e1e1e1;border-radius:8px;background:white;font-weight:600;color:#555}.model-info{flex:1;min-width:0}.model-info strong{display:flex;gap:8px;align-items:center;font-weight:600;font-size:14px;flex-wrap:wrap}.model-info em{font-size:10px;font-style:normal;font-weight:400;background:#e5e5e5;padding:3px 5px;border-radius:4px;color:#666}.model-info small{display:block;font-size:12px;color:#777;margin-top:4px}.model-check{width:16px;font-size:17px}.model-pricing{border-top:1px solid #e5e5e5;padding-top:15px;margin-top:17px;font-size:12px;color:#777;line-height:1.6}.model-pricing summary{cursor:pointer;color:#555}.model-pricing p{margin:10px 0}.tool-explanation strong{font-size:14px}.tool-explanation p{color:#737373;font-size:13px;line-height:1.65;margin:7px 0 21px}
@media(min-width:1500px){.sidebar{width:260px}.welcome{padding-top:0}}
@media(max-width:1000px){.topbar{padding:0 20px}.sidebar{width:240px}.composer-wrap{padding:10px 25px 18px}.composer-note span:last-child{display:none}}
@media(max-width:700px){.sidebar{width:280px;box-shadow:20px 0 100px #0004}.topbar{height:62px;padding:0 10px;gap:4px}.model-button{font-size:14px;padding:8px 4px;gap:6px}.header-budget{font-size:11px;padding:6px 7px}.topbar-right{gap:5px}.topbar-right .text-button{display:none}.welcome{padding:0 20px;top:34%;transform:translateY(-34%)}.welcome h1{font-size:28px;letter-spacing:-.7px}.welcome p{font-size:14px}.suggestions{gap:7px;margin-top:23px}.suggestions button{font-size:12px;padding:9px 11px;min-height:0}.messages{padding:20px}.composer-wrap{padding:8px 12px 14px}.composer{padding:13px 12px 10px}.composer textarea{font-size:16px}.composer-note{font-size:10px}.capability{font-size:12px;padding:6px 8px}.composer-actions{gap:5px;flex-wrap:wrap}.stream-status{width:100%;max-width:200px}.models-dialog{padding:20px}.model-list{max-height:43dvh}.model-info strong{font-size:13px}.model-info em{font-size:9px}.message-meta{font-size:10px}.mobile-only{display:grid}}

.sidebar-bottom>#admin-button{width:100%;text-align:left;padding:8px 5px;margin-bottom:8px;font-size:12px}
.welcome-brand{display:none}.model-button{min-width:0}.model-button #selected-model{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.chevron{flex-shrink:0}.header-budget{flex-shrink:0}.topbar-right{flex-shrink:0}
@media(max-width:700px){.welcome-brand{display:block;font-size:14px;font-weight:600;color:#999;margin-bottom:18px}.model-button{max-width:calc(100vw - 168px)}}
.stack input,.search-row input,.admin-user input,.admin-user select{border:1px solid var(--border);border-radius:7px;background:white;padding:10px;min-width:0}.sidebar-close{position:absolute;top:24px;right:12px}.model-list{scrollbar-width:thin}

/* Conversation layout: one assistant turn owns its text, tools and usage. */
:root{--bg:#f9fafc;--sidebar:#1e2430;--text:#222b3a;--muted:#758092;--border:#e3e7ed;--accent:#334767;--accent-hover:#263b5b;--sage:#edf2f8}
.sidebar{background:#1e2430;border-right:0;color:#dbe1eb;padding-top:25px}.brand{color:#f2f5fa;font-size:22px}.brand-mark{background:#f5f7fb;color:#202b3d;font-size:20px;border-radius:9px}.new-chat{background:#303949;color:#edf1f7;border-color:#424c5e;border-radius:9px;box-shadow:none}.new-chat:hover{background:#3a4558}.new-chat kbd{color:#aeb9cc;border-color:#515b6d}.history-heading{color:#9ca9bd}.sidebar .text-button{color:#aab6ca}.chat-search{color:#e4e9f1;border-color:#394355}.chat-search::placeholder{color:#8e9aaf}.chat-row:hover,.chat-row.selected{background:#303a4c}.chat-menu{color:#9ba9bf}.chat-open{font-size:13px;color:#dbe3ef}.empty-history{color:#8d9bb1}.budget-card{background:#262e3c;border-color:#3b4658;border-radius:10px;color:#edf2fa;padding:15px}.budget-heading{color:#aebad0}.budget-value{color:#f3f6fc}.budget-value small,.budget-caption,.weekly-mini{color:#9dacbf}.sidebar .badge{background:#3c475a;color:#c9d6ea}.account{color:#e2e9f3}.account small{color:#98a6bb}.avatar{background:#3e4c64;color:#dce6f7}progress,progress::-webkit-progress-bar{background:#424e61}progress::-webkit-progress-value{background:#98adcd}progress::-moz-progress-bar{background:#98adcd}
.topbar{background:#f9fafc;height:72px;padding:0 30px}.model-button{border:1px solid #e1e6ed;background:white;padding:9px 13px;font-size:14px;box-shadow:0 1px 3px #182a4210}.model-button:hover{background:#f0f3f8}.model-button::before{content:'S';font-size:12px;display:grid;place-content:center;width:23px;height:23px;background:#edf1f7;color:#4c6081;border-radius:6px}.header-budget{background:#fff;border-color:#e1e6ed;color:#66758b;border-radius:8px;font-size:12px;padding:9px 11px}
.conversation{scrollbar-width:thin;scrollbar-color:#cbd2dc transparent}.messages{max-width:850px;padding:25px 42px 35px}.message{margin-bottom:28px;line-height:1.75;font-size:15px}.message.user{background:#e9eff7;color:#283b58;border-radius:15px 15px 4px 15px;padding:13px 18px;max-width:85%}.message.assistant{padding:0 2px}.message-header{gap:10px;margin-bottom:15px;font-size:13px}.message-header strong{font-weight:600;color:#34435b}.message-header .message-mark{background:#344767;border-radius:7px;width:27px;height:27px;font-size:15px}.response-content>.markdown+.markdown{margin-top:17px}.response-content>.markdown:empty{display:none}.response-content>.markdown p:last-child{margin-bottom:0}.message-meta{display:flex;align-items:flex-start;gap:17px;font-size:11px;margin-top:16px;padding-top:1px;color:#8a95a5}.message-copy{font-size:11px;color:#77859b;padding:3px 0}.message-copy:hover{color:#334767}.response-usage{font-size:11px;min-width:0;max-width:100%;color:#8a95a5}.response-usage summary{cursor:pointer;padding:3px 0;list-style:none}.response-usage summary::-webkit-details-marker{display:none}.response-usage summary:hover{color:#405779}.response-usage[open]{flex:1}.usage-breakdown{margin-top:9px;border:1px solid #e0e6ee;border-radius:9px;background:#fff;padding:13px;color:#76849a;line-height:1.6;overflow-wrap:anywhere}.usage-breakdown ol{margin:9px 0 0;padding-left:20px}.usage-breakdown p{margin:9px 0;font-size:11px}.usage-totals{display:flex;gap:18px;flex-wrap:wrap}.usage-totals span{display:flex;flex-direction:column;gap:3px;color:#929aaa}.usage-totals strong{font-size:13px;color:#52627b;font-weight:600}
.tool-log{margin:12px 0;border:1px solid #dfe5ee;background:#f0f3f8;border-radius:9px;padding:0;color:#61728b;max-width:100%;font-size:12px}.tool-log summary{display:flex;align-items:center;gap:8px;padding:10px 12px;list-style:none}.tool-log summary::-webkit-details-marker{display:none}.tool-log summary::after{content:'⌄';margin-left:auto;color:#8c99ac}.tool-outcome{font-size:11px;color:#8b96a6;margin-left:4px}.tool-state{display:grid;place-content:center;width:20px;height:20px;background:white;border-radius:5px;font-size:12px;color:#667d9e}.tool-log pre{margin:0;padding:13px;border-top:1px solid #e0e6ef;color:#6e7e93;font-size:11px}.tool-log img{padding:0 12px 12px;margin-top:12px}
.composer-wrap{max-width:850px;padding:12px 42px 22px}.composer{background:white;border-radius:17px;border-color:#dbe2ec;box-shadow:0 5px 24px #2a41690b;padding:17px 18px 12px}.composer:focus-within{border-color:#b2c0d6;box-shadow:0 5px 24px #2a41690b}.composer textarea{font-size:15px;min-height:44px;line-height:1.65;color:#2d3b50}.composer textarea::placeholder{color:#98a1af}.composer-bottom{margin-top:9px}.composer-actions{gap:8px}.capability{font-size:12px;padding:7px 10px;color:#7a899e;border-color:#e6ebf2;border-radius:7px}.capability svg{width:14px;height:14px;stroke-width:1.6}.capability[aria-pressed="true"]{background:#e8eef9;color:#3e649c;border-color:#c9d7ed}.capability[aria-pressed="true"]::before{display:none}.send-button{background:#354b70;border-radius:10px;width:36px;height:36px}.send-button:hover{background:#2b4267}.icon-button{color:#8997ab}.icon-button:hover{background:#e8edf5}.composer-note{font-size:10px;color:#9aa4b3}.welcome{top:37%;transform:translateY(-37%)}.welcome h1{color:#34435b;font-size:31px;font-weight:600;letter-spacing:-.9px}.welcome p{color:#8d99ab;font-size:14px}.suggestions button{border-color:#e0e6ed;color:#728198;background:#fff;border-radius:9px;font-size:12px;padding:10px 13px}.suggestions button:hover{border-color:#bbc9dd;background:#f0f4fa}.welcome-brand{color:#8795a9}.markdown pre{background:#eef2f7;border-color:#e0e6ef}.markdown :not(pre)>code{background:#edf1f7}.primary{background:#354b70}.primary:hover{background:#2b4267}
@media(max-width:1000px){.topbar{padding:0 21px}.messages{padding:25px}.composer-wrap{padding:12px 25px 20px}}
@media(max-width:700px){.sidebar{width:280px}.topbar{height:66px;padding:0 10px;gap:8px}.model-button{font-size:12px;gap:7px;padding:7px 8px;max-width:calc(100vw - 161px)}.model-button::before{display:none}.header-budget{font-size:10px;padding:8px}.messages{padding:22px 18px}.message{font-size:15px}.message.user{font-size:14px;padding:11px 15px}.composer-wrap{padding:10px 12px 13px}.composer{padding:14px 13px 11px}.composer textarea{font-size:16px}.composer-actions{gap:5px}.capability{font-size:11px;padding:7px 8px;gap:5px}.tool-help{width:20px}.message-meta{gap:14px;flex-wrap:wrap}.response-usage[open]{flex-basis:100%}.usage-totals{gap:15px}.welcome h1{font-size:28px}.composer-note{font-size:9px}.sidebar-close{color:#b8c5d8}}

button,input,textarea,select{transition:background-color .15s,border-color .15s,box-shadow .15s}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:2px solid #9aaed0;outline-offset:3px}
.brand{gap:11px;letter-spacing:-.8px;font-weight:700;font-size:23px}.brand-light{font-weight:400;color:#afbbce}.sidebar{width:270px;padding:26px 18px 16px}.brand-mark{width:33px;height:33px;border-radius:10px}.new-chat{margin:29px 0 25px;padding:13px 12px;background:#eef2f9;color:#344661;border-color:#eef2f9;font-size:14px;font-weight:600}.new-chat:hover{background:#fff}.new-chat kbd{color:#93a0b4;border-color:#d9e0eb}.chat-open{font-size:13px;padding:12px 10px}.chat-search{padding:10px 8px}.chat-row.selected{background:#35445d}.chat-row.selected .chat-open{color:#f4f7fc}.sidebar-bottom>#admin-button{border:1px solid #46536a;border-radius:8px;text-align:center;color:#c8d5e9;padding:10px;font-size:12px;margin-bottom:14px}.sidebar-bottom>#admin-button:hover{background:#334059}.budget-value{font-size:25px;font-variant-numeric:tabular-nums}.budget-value small{font-size:11px}.account{padding:18px 4px 2px}.account strong{font-size:13px}.account small{max-width:170px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar{gap:24px;border-bottom:1px solid #eef0f5;height:76px}.current-chat-title{font-size:12px;color:#a0a8b6;overflow:hidden;white-space:nowrap;text-overflow:ellipsis;max-width:350px}.model-button{font-size:14px;border-radius:10px;padding:10px 13px}.header-budget{font-variant-numeric:tabular-nums;border-radius:9px}.messages{max-width:880px;padding:32px 42px 40px}.message{font-size:16px;line-height:1.85;margin-bottom:32px}.message.user{font-size:15px;border-radius:16px 16px 5px 16px;padding:13px 19px}.message-header{font-size:13px;gap:11px;margin-bottom:17px}.message-header .message-mark{width:30px;height:30px;border-radius:9px;font-size:16px}.message-meta{gap:19px;margin-top:18px}.message-copy,.response-usage{font-size:12px}.tool-log{background:#f0f3f8;border-color:#e0e6ef;border-radius:10px;font-size:13px}.tool-log summary{padding:11px 13px}.tool-outcome{font-size:12px}.tool-state{width:23px;height:23px}.composer-wrap{max-width:880px;padding:12px 42px 22px}.composer{border-radius:19px;padding:18px 19px 13px;box-shadow:0 5px 23px #283f6810}.composer textarea{font-size:16px;min-height:48px}.composer-bottom{margin-top:10px}.send-button{width:38px;height:38px;border-radius:12px}.capability{padding:8px 11px;font-size:12px;border-radius:8px}.composer-note{font-size:10px;margin-top:12px}.welcome{top:36%;transform:translateY(-36%)}.welcome h1{font-size:34px;letter-spacing:-1px;font-weight:600}.welcome p{font-size:15px}.suggestions{gap:10px;margin-top:26px}.suggestions button{font-size:13px;padding:11px 15px;background:#fff;border-radius:10px}.dialog-heading h2{font-size:22px;letter-spacing:-.7px}.dialog-eyebrow{display:block;font-size:11px;color:#8797b0;margin-bottom:6px;letter-spacing:.3px}.admin-dialog{width:min(1020px,calc(100vw - 32px));padding:28px;border:1px solid #dee5f0;border-radius:18px}.admin-tabs{display:flex;gap:5px;border-bottom:1px solid #e8edf4;margin:24px 0 22px;padding-bottom:1px}.admin-tabs button{padding:13px 17px;border:0;border-bottom:2px solid transparent;background:none;color:#929eaf;font-size:13px;font-weight:500}.admin-tabs button[aria-selected="true"]{border-bottom-color:#354b70;color:#354b70}.admin-tabs button:hover{background:#f5f7fb;border-radius:7px 7px 0 0}.admin-summary{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;color:#344b6d}.admin-summary>div{padding:16px;border:1px solid #e5eaf2;background:#f7f9fc;border-radius:12px}.admin-summary span{font-size:11px;color:#8996aa;display:block;margin-bottom:9px}.admin-summary strong{font-size:21px;letter-spacing:-.5px;font-weight:600;font-variant-numeric:tabular-nums}.search-row{margin:22px 0;gap:10px}.search-row input{padding:12px 14px;border-radius:9px;background:#fff}.search-row button{padding:11px 18px;border-radius:9px}.admin-users{gap:12px}.admin-user{padding:19px;border:1px solid #e5eaf2;border-radius:13px;background:#fff}.admin-user header strong{font-size:15px;color:#344767}.admin-user header small{font-size:12px;margin-right:auto;color:#8a96aa}.admin-user .fine-print{font-size:12px;margin:12px 0;color:#8290a5}.admin-user .badge{border-radius:5px;background:#edf2fa;color:#6980a2;font-size:10px}.admin-user .admin-actions{border-top:1px solid #eef1f6;padding-top:15px;gap:8px;margin-top:0}.admin-user .admin-actions select,.admin-user .admin-actions input{background:#f8fafd;border-color:#e0e6ef;border-radius:7px;font-size:12px;padding:9px}.admin-user .admin-actions select{width:170px}.admin-user .admin-actions button{font-size:12px;padding:9px 13px;border-color:#e0e6ef;border-radius:7px;background:#f5f8fc}.admin-user .admin-actions button:hover{background:#edf2f9}.pricing-intro h3{font-size:17px;color:#344b6d;font-weight:600;margin:0 0 7px}.pricing-intro p{font-size:12px;color:#8997ab;line-height:1.6;margin:0 0 20px}.advanced-prices{display:flex;align-items:center;gap:8px;color:#7b8ba2;font-size:12px;margin:0 0 15px}.advanced-prices input{accent-color:#3b547b;width:15px;height:15px}.prices-wrap{border:1px solid #e1e7ef;border-radius:12px}.prices-table{font-size:12px}.prices-table th{padding:12px 15px;background:#f5f7fb;color:#8a97ab;font-size:11px;font-weight:500;white-space:nowrap}.prices-table td{padding:10px 15px;border-color:#edf1f7}.prices-table tr:last-child td{border-bottom:0}.prices-table td:first-child{min-width:160px}.prices-table td strong{font-size:12px;color:#526582;font-weight:500}.prices-table input{width:102px;border:1px solid #e0e7f0;background:#f9fbfe;border-radius:7px;padding:9px 10px;font-size:13px;color:#354b70;font-variant-numeric:tabular-nums}.prices-table input:focus{border-color:#a8bad6;background:#fff}.prices-table .cache-price{font-variant-numeric:tabular-nums;color:#8d9db3;font-size:12px}.pricing-footer{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-top:22px}.pricing-footer p{font-size:12px;color:#7c8ca4;line-height:1.5;margin:0}.pricing-footer .primary{border-radius:9px;padding:12px 20px;white-space:nowrap;font-size:13px}.admin-dialog .fine-print{color:#929eb0;font-size:11px;margin-top:13px}
@media(max-width:1000px){.sidebar{width:245px}.current-chat-title{max-width:170px}.messages{padding:28px}.composer-wrap{padding:12px 28px 20px}}
@media(max-width:700px){.sidebar{width:280px}.topbar{height:68px;padding:0 10px;gap:8px}.current-chat-title{display:none}.model-button{font-size:12px;padding:8px 9px}.messages{padding:24px 18px}.message{font-size:15px;line-height:1.8;margin-bottom:29px}.message.user{font-size:14px}.composer-wrap{padding:10px 12px 14px}.composer{padding:15px 13px 11px;border-radius:17px}.composer textarea{font-size:16px;min-height:46px}.composer-actions{gap:5px}.capability{padding:7px 8px;font-size:11px}.send-button{width:36px;height:36px;border-radius:10px}.welcome h1{font-size:29px}.welcome p{font-size:14px}.suggestions{gap:7px}.suggestions button{font-size:12px;padding:10px 12px}.admin-dialog{padding:20px;width:calc(100vw - 24px);border-radius:15px}.admin-summary{grid-template-columns:repeat(2,1fr);gap:9px}.admin-summary>div{padding:12px}.admin-summary strong{font-size:18px}.admin-summary span{font-size:10px}.admin-tabs{margin-top:20px;gap:0}.admin-tabs button{padding:12px 14px;font-size:12px}.admin-user{padding:15px}.admin-user header{gap:7px}.admin-user header small{width:100%;margin-top:2px}.admin-user .admin-actions select{width:155px}.pricing-footer{flex-direction:column;align-items:stretch;gap:14px}.pricing-footer .primary{width:100%}.prices-table th,.prices-table td{padding-left:11px;padding-right:11px}.prices-table td:first-child{min-width:150px}.prices-table input{width:88px}.prices-table{min-width:490px}}
@media(prefers-reduced-motion:reduce){button,input,textarea,select{transition:none}}
.admin-dialog{max-height:90dvh}.prices-wrap{max-height:32dvh;overflow:auto;scrollbar-width:thin}.prices-table thead th{position:sticky;top:0;z-index:1}.pricing-footer{margin-top:15px}.cache-write-note{font-size:11px;color:#8b9bb0;line-height:1.5;margin:-4px 0 14px}.prices-table .cache-price{color:#7c8ea9}.admin-dialog .fine-print{margin-bottom:0}
@media(max-width:700px){.prices-table{min-width:0}.prices-table thead{display:none}.prices-table tbody{display:block}.prices-table tbody tr{display:grid;grid-template-columns:1fr 1fr;gap:0;padding:13px 0;border-bottom:1px solid #e7edf5}.prices-table tbody tr:last-child{border-bottom:0}.prices-table td{display:block;border:0;white-space:normal;padding:6px 13px;min-width:0}.prices-table td:first-child{grid-column:1/-1;min-width:0;padding-top:0;padding-bottom:9px}.prices-table td:first-child strong{font-size:13px}.prices-table td:nth-child(2)::before{content:"Вход, $"}.prices-table td:nth-child(3)::before{content:"Ответ, $"}.prices-table td:nth-child(5)::before{content:"Запись 5 мин, $"}.prices-table td:nth-child(6)::before{content:"Запись 1 ч, $"}.prices-table td:nth-child(2)::before,.prices-table td:nth-child(3)::before,.prices-table td:nth-child(5)::before,.prices-table td:nth-child(6)::before{display:block;color:#8a98ac;font-size:10px;margin-bottom:6px}.prices-table td:nth-child(4){grid-column:1/-1;font-size:11px;padding-top:4px}.prices-table td:nth-child(4)::before{content:"Кэш: ";color:#a0abbb}.prices-table input{width:100%;font-size:13px;padding:10px}.prices-table td.hidden{display:none!important}}

/* Conversation controls and SonofChat mark */
.brand img.brand-mark{width:36px;height:36px;background:transparent;border-radius:11px}.message-mark img{width:32px;height:32px;border-radius:10px}.welcome-logo{width:62px;height:62px;margin-bottom:18px}.welcome-brand{margin-bottom:8px}
.user-text{white-space:pre-wrap}.message-actions{display:flex;gap:4px;flex-wrap:wrap;margin-top:12px}.message-actions button{border:0;background:transparent;color:#708087;font-size:12px;padding:6px 9px;border-radius:7px;cursor:pointer}.message-actions button:hover{color:#254d51;background:#e7efec}.user .message-actions{justify-content:flex-end}.user .message-actions button{color:#53626b}.message-meta{margin-top:12px}.message-actions button:focus-visible{outline:2px solid #254d51;outline-offset:2px}
.branch-nav{display:flex;align-items:center;gap:12px;padding:8px 28px;border-bottom:1px solid #e4e9ea;background:#f2f6f4;font-size:12px;color:#64716c}.branch-nav select{max-width:440px;min-width:0;background:#fff;border:1px solid #d5dfda;border-radius:8px;padding:7px;color:#254d51;font-size:13px}#edit-message-dialog{width:min(600px,calc(100vw - 32px))}#edit-message-text{resize:vertical;width:100%;padding:14px;border:1px solid #d5dfda;border-radius:12px;font:inherit;line-height:1.6;min-height:180px}.shell:has(#prompt:disabled) .message-actions button{pointer-events:none;opacity:.4}
@media(max-width:700px){.branch-nav{padding:8px 14px;gap:8px}.branch-nav span{display:none}.branch-nav select{width:100%}.message-actions button{padding:8px}.prices-table td:nth-child(4):before{content:'Чтение кэша';}.welcome-logo{width:52px;height:52px}}

.model-button::before{content:'';background:transparent url('/static/logo.svg') center/contain no-repeat;width:25px;height:25px}.branch-badge{font-size:10px;color:#b3cabc;white-space:nowrap;padding:3px 5px;background:#33443f;border-radius:4px;flex-shrink:0}.message-actions button{font-size:13px}.message-meta{font-size:12px}