:root{color-scheme:dark;--bg:#07070a;--panel:#111118;--border:#252533;--text:#ececf1;--muted:#aaaab9;--cyan:#00e5ff;--gold:#d4af37;--radius:14px;font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;background:var(--bg);color:var(--text)}
*{box-sizing:border-box}body{margin:0}button,input,textarea,select{font:inherit}a{color:inherit;text-decoration:none}button,a,input,select,textarea,summary{outline-offset:5px}:focus-visible{outline:2px solid var(--cyan)}button,summary{cursor:pointer}button:disabled{cursor:wait;opacity:.5}
.sidebar{position:fixed;inset:0 auto 0 0;width:242px;padding:26px 16px;display:flex;flex-direction:column;background:#0a0a10;border-right:1px solid var(--border);z-index:20}
.brand{display:flex;align-items:center;gap:14px;margin:0 10px 30px}.brand strong{font-family:Georgia,serif;color:var(--gold);font-size:42px}.wordmark{font-size:12px;letter-spacing:.18em;font-weight:700}
.sidebar nav{display:grid;gap:6px}.nav-link{display:flex;align-items:center;gap:12px;padding:12px;border-radius:8px;color:var(--muted);font-size:13px}.nav-link.active,.nav-link:hover{background:#102026;color:var(--cyan)}
svg{width:22px;height:22px;flex-shrink:0}.sidebar-bottom{margin-top:auto;padding-top:22px;display:grid;gap:18px}.language{display:flex;align-items:center;justify-content:space-between;font-size:12px;color:var(--muted)}.language select{width:80px;padding:9px}
.account-entry{position:relative}.account-entry summary{list-style:none;display:flex;gap:10px;align-items:center;padding:10px;font-size:13px}.account-menu{position:absolute;bottom:100%;left:0;background:var(--panel);border:1px solid var(--border);border-radius:8px;min-width:190px;box-shadow:0 8px 28px #0008;z-index:40;padding:8px;display:grid;gap:6px}.account-menu a{padding:10px;border-radius:5px}.account-menu a:hover{background:#102026}
#workspace{margin-left:242px;padding:44px clamp(20px,4vw,66px);max-width:1840px;min-height:100vh}.view-heading{margin-bottom:32px}.view-heading h1{font-size:clamp(30px,4vw,50px);font-weight:500;letter-spacing:-.035em;line-height:1.1;margin:14px 0}.view-heading p{max-width:740px;line-height:1.6;color:var(--muted)}.eyebrow{font-size:10px;letter-spacing:.22em;color:var(--gold);text-transform:uppercase}
.panel{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:24px;min-width:0;margin-bottom:20px}.panel h2{font-size:18px;font-weight:500;margin-top:0}.columns{display:grid;grid-template-columns:minmax(280px,1fr) minmax(320px,1.15fr);gap:24px}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:16px}.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:16px}.tool-card{border:1px solid var(--border);border-radius:var(--radius);padding:24px;background:linear-gradient(140deg,#15151e,#0c0c11)}.tool-card:hover{border-color:#0097a9}.tool-card svg{color:var(--cyan)}.tool-card h2{font-size:17px;font-weight:500}.tool-card p{font-size:13px;color:var(--muted);line-height:1.6}
.field{display:flex;flex-direction:column;gap:9px;font-size:12px;color:var(--muted);margin-bottom:16px;min-width:0}.field.check{flex-direction:row;align-items:center}.field.check input{order:-1;width:auto}.field input,.field select,.field textarea{width:100%}input,textarea,select{background:#090910;border:1px solid #333340;border-radius:7px;padding:11px;color:var(--text);min-width:0}textarea{min-height:110px;resize:vertical;line-height:1.5}input[type=range]{padding:0;accent-color:var(--cyan)}input[type=checkbox]{accent-color:var(--cyan)}.upload{display:grid;gap:12px;padding:18px;border:1px dashed #4a4a5a;border-radius:9px;font-size:12px;margin-bottom:16px}.upload input{max-width:100%;font-size:12px}
.actions,.tabs{display:flex;flex-wrap:wrap;gap:10px;margin:14px 0}.tabs{border-bottom:1px solid var(--border);padding-bottom:16px}.button{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid #3a3a48;background:transparent;color:var(--text);padding:10px 16px;border-radius:6px;font-size:12px;line-height:1.4;min-height:40px}.button:hover{border-color:var(--cyan)}.button.primary{background:var(--cyan);border-color:var(--cyan);color:#071215;font-weight:650}.button.active{color:var(--cyan);border-color:var(--cyan);background:#102026}.icon-button{border:0;background:none;color:var(--text);padding:8px}
.messages{display:flex;flex-direction:column;gap:16px;min-height:220px;max-height:60vh;overflow-y:auto;padding:4px}.message{max-width:92%;padding:16px 20px;border-radius:12px;background:#1a1a25;border:1px solid var(--border);overflow-wrap:anywhere}.message.user{align-self:flex-end;background:#102327}.message small{font-size:10px;color:var(--gold);letter-spacing:.08em}.message p{white-space:pre-wrap;line-height:1.7;font-size:14px;margin:8px 0 0}.message.assistant{align-self:flex-start}.media{display:block;max-width:100%;max-height:420px;object-fit:contain;border-radius:8px;margin:12px 0}audio.media{width:100%}.thumb{max-width:150px;max-height:120px}.notice,.muted{color:var(--muted);font-size:12px;line-height:1.6}.notice{padding:12px 16px;border-left:2px solid var(--gold);background:#17150f;margin:16px 0}.result-placeholder{border:1px dashed var(--border);padding:40px 20px;text-align:center;color:var(--muted);border-radius:10px;line-height:1.7}
.hero{position:relative;min-height:330px;overflow:hidden;margin-bottom:30px;border-bottom:1px solid var(--border);padding:32px 0}.hero .view-heading,.hero .actions,.hero>.eyebrow{position:relative;z-index:1;max-width:65%}.hero-monogram{position:absolute;right:8%;bottom:-60px;font:400px Georgia,serif;color:#d4af3718;line-height:1}.footer{display:flex;gap:24px;padding:32px 0;color:var(--muted);font-size:12px}
.status{position:fixed;bottom:16px;left:calc(242px + 24px);max-width:calc(100vw - 290px);background:#181820;border:1px solid var(--gold);padding:12px 20px;border-radius:8px;z-index:70;font-size:13px}.status[hidden]{display:none}.skip{position:fixed;top:-100px;z-index:80;background:var(--cyan);color:#000;padding:14px}.skip:focus{top:0}.mobile-bar{display:none}.catalog-note{font-size:11px;color:var(--muted)}details.panel>summary{font-size:16px;margin-bottom:14px}.choice-grid{display:flex;gap:8px;flex-wrap:wrap}
@media(max-width:1050px){.columns{grid-template-columns:1fr}.sidebar{width:210px}#workspace{margin-left:210px;padding:30px}.status{left:234px}}
@media(max-width:760px){.mobile-bar{position:sticky;top:0;display:flex;align-items:center;justify-content:space-between;padding:10px 14px;background:#0a0a10;border-bottom:1px solid var(--border);z-index:30}.mobile-bar .account-entry summary span{display:none}.mobile-bar .account-menu{top:100%;bottom:auto;left:auto;right:0}.sidebar{top:62px;bottom:0;transform:translateX(-100%);width:260px;overflow:auto;transition:transform .15s}.sidebar.open{transform:translateX(0)}.sidebar .brand,.desktop-account{display:none}#workspace{margin-left:0;padding:24px 16px;min-height:calc(100vh - 62px)}.status{left:16px;right:16px;max-width:none}.panel{padding:18px}.hero{min-height:280px}.hero .view-heading,.hero .actions{max-width:100%}.cards{grid-template-columns:repeat(auto-fit,minmax(150px,1fr))}.hero-monogram{font-size:300px}.button{min-height:44px}.tabs{flex-wrap:nowrap;overflow-x:auto}.tabs .button{white-space:nowrap}}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}
@media(max-width:760px){.mobile-bar .icon-button,.mobile-bar .account-entry summary{min-width:44px;min-height:44px;display:flex;align-items:center;justify-content:center}.language select,.account-menu a{min-height:44px}.sidebar{top:64px}#workspace{min-height:calc(100vh - 64px)}}

/* Chat-only layout. Other workspace views retain their accepted styles. */
#workspace[data-view="chat"]{position:fixed;inset:0 0 0 242px;margin:0;min-height:0;max-width:none;padding:28px 36px 10px;display:flex;flex-direction:column;background:radial-gradient(ellipse at 50% 100%,#00263025,transparent 65%),linear-gradient(115deg,#080d13,#06090e);overflow:hidden}
#workspace[data-view="chat"] [hidden]{display:none!important}
#workspace[data-view="chat"] .view-heading{flex-shrink:0;margin:0 0 16px}
#workspace[data-view="chat"] .view-heading h1{font-size:clamp(26px,3vw,42px);margin:12px 0 8px;font-weight:600}
#workspace[data-view="chat"] .view-heading p{font-size:13px;margin:0;color:#929caa;line-height:1.5}
.chat-thread-wrap{position:relative;flex:1;min-height:0}
.chat-thread{height:100%;overflow-y:auto;overscroll-behavior:contain;scrollbar-width:thin;scrollbar-color:#30414c transparent;display:flex;flex-direction:column;gap:22px;padding:8px 4px 26px}
.chat-row{display:flex;align-items:flex-start;gap:14px;flex-shrink:0;max-width:100%}
.chat-row.user{flex-direction:row-reverse}
.chat-avatar{width:44px;height:44px;flex-shrink:0;border-radius:50%;display:flex;align-items:center;justify-content:center;border:1px solid #303e49;color:#d7e0e7;background:#080d13}
.chat-avatar.monogram{font:34px Georgia,serif;color:#e4bb4b;border-color:#6e5b3080;box-shadow:inset 0 0 12px #a5811d20}
.chat-bubble{position:relative;max-width:min(810px,82%);padding:16px 20px;border:1px solid #293541;border-radius:16px;background:linear-gradient(130deg,#131923b8,#0f151dd9);overflow-wrap:anywhere;min-width:0}
.chat-row.user .chat-bubble{background:linear-gradient(120deg,#06232bbd,#051b24c9);border-color:#08607199;border-top-right-radius:4px;max-width:min(710px,80%)}
.chat-message-meta{display:flex;gap:10px;align-items:baseline;font-size:11px;margin-bottom:10px;color:#b4c0cc}.chat-message-meta strong{font-weight:600;color:#e1e8ef}.chat-message-meta time{color:#7c8998;font-size:10px}
.chat-message-text{white-space:pre-wrap;font-size:14px;line-height:1.75;margin:0}.chat-message-images{display:flex;gap:8px;flex-wrap:wrap}.chat-message-images img{max-width:120px;max-height:90px}
.chat-copy{display:flex;align-items:center;justify-content:center;border:0;background:none;color:#929fac;min-width:44px;min-height:44px;margin:8px -10px -10px auto;cursor:pointer}.chat-copy svg{width:17px;height:17px}.chat-copy:hover{color:var(--cyan)}
.chat-delivery{font-size:11px;color:#8dbac4;margin-top:12px;line-height:1.6}.chat-delivery.failed{color:#e0bb80}.chat-message-actions{display:flex;gap:6px;flex-wrap:wrap;margin-top:8px}.chat-text-action{background:transparent;color:#d6e8ee;border:1px solid #35505a;border-radius:8px;font-size:11px;padding:8px 12px;min-height:44px}
.chat-empty{margin:auto;max-width:440px;text-align:center;padding:24px;color:#8998a7}.chat-empty-mark{font:74px Georgia,serif;color:var(--gold);text-shadow:0 0 30px #b48a1533}.chat-empty h2{font-weight:400;font-size:23px;color:#dee6ed;margin:16px 0 10px}.chat-empty p{font-size:14px;line-height:1.7}
.chat-compose-area{position:relative;flex-shrink:0;z-index:3;padding-top:4px;padding-bottom:env(safe-area-inset-bottom,0px)}
.chat-composer{display:flex;align-items:flex-end;gap:12px;padding:12px;border:1px solid #357485;border-bottom-color:#00ddefb3;border-radius:32px;background:linear-gradient(110deg,#07141cf5,#111923f5 55%,#061921f5);box-shadow:0 4px 28px #0006,0 0 18px #00d9ee0d}
.chat-composer:focus-within{border-color:#21adbed4;box-shadow:0 4px 28px #0006,0 0 20px #00d9ee15}
.chat-input{flex:1;display:block;border:0;background:transparent;outline-offset:0;box-shadow:none;resize:none;min-height:48px;max-height:144px;line-height:24px;padding:12px 2px;font-size:15px;border-radius:4px;color:#eff5fa;scrollbar-width:thin}.chat-input:focus-visible{outline:none}.chat-input::placeholder{color:#8493a3}
.chat-icon{width:48px;height:48px;flex-shrink:0;border-radius:50%;border:1px solid #293b4780;background:#07131e85;color:#ccdee9;display:flex;align-items:center;justify-content:center;padding:0;cursor:pointer}.chat-icon:hover,.chat-icon[aria-pressed="true"]{border-color:#00dce480;color:#00dce4}.chat-icon svg{width:23px;height:23px}
.chat-plus{color:#bcfaff;box-shadow:inset 0 0 17px #00cce222,0 0 12px #00d6df13}.chat-plus[aria-expanded="true"]{border-color:#00dce4;color:#00dce4}
.chat-send{background:#00e0e8;color:#00232b;border-color:#07ecf3;box-shadow:0 0 15px #00dae32c}.chat-send:hover{background:#77fbff;color:#001c23}.chat-send:disabled{opacity:.36;box-shadow:none;cursor:default}
.chat-composer-foot{height:24px;padding:7px 22px 0;color:#7d919e;font-size:10px;letter-spacing:.01em}.chat-mode{display:block;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}
.chat-tool-wrap{position:relative;flex-shrink:0}.chat-tools{position:absolute;bottom:calc(100% + 16px);left:-8px;width:276px;max-width:calc(100vw - 40px);max-height:min(440px,65dvh);overflow-y:auto;background:linear-gradient(130deg,#101924,#0b131d);border:1px solid #344957;border-radius:14px;padding:8px;box-shadow:0 12px 50px #000b;scrollbar-width:thin}.chat-tools hr{border:0;border-top:1px solid #273742;margin:7px 10px}
.chat-tool{display:flex;align-items:center;gap:12px;min-height:44px;width:100%;padding:10px;border:0;border-radius:8px;background:transparent;color:#cbd7e4;text-align:left;font-size:12px;line-height:1.5;cursor:pointer}.chat-tool svg{width:20px;height:20px;color:#27d4e9}.chat-tool:hover,.chat-tool[aria-pressed="true"]{background:#10303b;color:#c9faff}.chat-tool[aria-pressed="true"]:after{content:'✓';margin-left:auto;color:var(--cyan)}
.chat-attachments{display:flex;gap:8px;max-height:100px;overflow:auto;margin:0 10px 10px}.chat-attachment{display:flex;align-items:center;gap:8px;border:1px solid #2e4350;border-radius:12px;padding:4px 6px;background:#0d1b25;font-size:11px;max-width:240px}.chat-attachment img{height:46px;width:46px;object-fit:cover;margin:0}.chat-attachment span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.chat-attachment .chat-icon{width:44px;height:44px}
.chat-notice{font-size:12px;line-height:1.5;padding:10px 14px;background:#172027;border-left:2px solid var(--gold);margin:0 8px 10px;border-radius:5px;max-height:80px;overflow:auto}
.chat-latest{position:absolute;bottom:16px;left:50%;transform:translateX(-50%);width:44px;height:44px;display:flex;align-items:center;justify-content:center;border-radius:50%;border:1px solid #3f6c7a;background:#0c2630;color:#b7f2fc;box-shadow:0 2px 12px #0007;z-index:2}
@media(max-width:1050px){#workspace[data-view="chat"]{left:210px;padding:24px 22px 8px}.chat-bubble{max-width:86%}}
@media(max-width:760px){#workspace[data-view="chat"]{inset:64px 0 0;margin:0;padding:16px 12px 4px;height:calc(100dvh - 64px);min-height:0}#workspace[data-view="chat"] .view-heading{margin-bottom:10px}#workspace[data-view="chat"] .view-heading h1{font-size:25px;margin:8px 0}#workspace[data-view="chat"] .view-heading p{font-size:11px}#workspace[data-view="chat"] .eyebrow{font-size:8px}.chat-thread{gap:18px;padding-bottom:18px}.chat-row{gap:8px}.chat-avatar{width:30px;height:30px}.chat-avatar.monogram{font-size:24px}.chat-avatar svg{width:18px;height:18px}.chat-bubble,.chat-row.user .chat-bubble{max-width:calc(100% - 38px);padding:12px 13px;border-radius:13px}.chat-message-text{font-size:13px;line-height:1.7}.chat-message-meta{font-size:10px}.chat-composer{gap:6px;padding:8px;border-radius:27px}.chat-icon{width:44px;height:44px}.chat-input{font-size:16px;line-height:24px;min-height:44px;padding:10px 0}.chat-tools{left:-4px;bottom:calc(100% + 14px);width:272px}.chat-composer-foot{padding-left:14px}.chat-empty{padding:18px}.chat-empty-mark{font-size:58px}.chat-empty h2{font-size:21px}}
@media(max-height:540px){#workspace[data-view="chat"] .view-heading p,#workspace[data-view="chat"] .eyebrow{display:none}#workspace[data-view="chat"] .view-heading h1{font-size:21px;margin:0 0 4px}#workspace[data-view="chat"]{padding-top:8px}.chat-tools{max-height:55dvh}}

/* Visual-only reasoning selector; no model/API capability is implied. */
.chat-reasoning{position:relative;flex-shrink:0;align-self:flex-end;margin-bottom:2px;min-width:0}
.chat-mode-trigger{display:flex;align-items:center;justify-content:space-between;gap:10px;width:132px;min-height:44px;padding:10px 14px;background:linear-gradient(120deg,#17232e,#0d1721);border:1px solid #314552;border-radius:24px;color:#deebf2;font-size:11px;font-weight:600;letter-spacing:.045em;white-space:nowrap;cursor:pointer}
.chat-mode-trigger svg{width:14px;height:14px;color:#8ea7b5}
.chat-mode-trigger:hover,.chat-mode-trigger[aria-expanded="true"]{border-color:#328696;color:#c9faff}
.chat-mode-trigger[aria-expanded="true"] svg{transform:rotate(180deg)}
.chat-mode-popup{position:absolute;bottom:calc(100% + 14px);right:0;width:300px;max-width:calc(100vw - 40px);max-height:60dvh;overflow:auto;padding:8px;border:1px solid #344957;border-radius:14px;background:linear-gradient(130deg,#111e2a,#0b141f);box-shadow:0 12px 50px #000b;z-index:5;scrollbar-width:thin}
.chat-mode-menu-title{padding:6px 10px 8px;color:#94a9b7;font-size:10px;letter-spacing:.04em}
.chat-mode-list{display:grid;gap:2px}
.chat-mode-list [role=option]{display:flex;align-items:center;justify-content:space-between;width:100%;min-height:44px;padding:10px 12px;border:0;border-radius:8px;background:transparent;color:#d8e5ef;font-size:12px;letter-spacing:.04em;text-align:left;cursor:pointer}
.chat-mode-list [role=option]:hover,.chat-mode-list [aria-selected=true]{background:#12343e;color:#8bfbff}
.chat-mode-list [aria-selected=true]:after{content:'✓';color:var(--cyan);font-size:14px}
.chat-mode-copy{display:grid;gap:5px;min-width:0}.chat-mode-description{font-size:10px;letter-spacing:0;line-height:1.5;color:#a3b9c7}.chat-mode-list [aria-selected=true]:after{margin-left:8px;flex-shrink:0}
.chat-mode-list [role=option]:disabled{opacity:.55;cursor:not-allowed}.chat-model-select{max-width:100%;min-height:32px;background:transparent;border:1px solid #304754;border-radius:12px;color:#9dbacb;font-size:11px;padding:5px 10px}.chat-model-select option{background:#101923;color:#cce2ee}@media(max-width:760px){.chat-model-select{min-height:44px}}
.chat-process{display:flex;align-items:center;gap:9px;margin:0 12px 12px;color:#aadce5;font-size:12px;line-height:1.5;min-height:22px}.chat-process-dot{width:6px;height:6px;border-radius:50%;background:var(--cyan);flex-shrink:0}.chat-process[data-stage=unresolved],.chat-process[data-stage=unavailable]{color:#d8bb85}.chat-process[data-stage=unresolved] .chat-process-dot,.chat-process[data-stage=unavailable] .chat-process-dot{background:var(--gold)}
.chat-composer-foot{height:auto;min-height:24px;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:4px 16px;line-height:1.4;padding-bottom:4px}
.chat-mode-preview-note{font-size:10px;color:#b1a482}
@media(max-width:760px){
  .chat-composer{display:grid;grid-template-columns:44px minmax(0,1fr) 44px 44px;column-gap:6px;row-gap:4px;border-radius:24px}
  .chat-input{grid-column:1/-1;grid-row:1;width:100%;padding:8px 8px;min-height:44px}
  .chat-tool-wrap{grid-column:1;grid-row:2}
  .chat-reasoning{grid-column:2;grid-row:2;justify-self:end;margin-bottom:0;max-width:100%}
  .chat-mode-trigger{max-width:100%;padding:10px 12px}
  .chat-mic{grid-column:3;grid-row:2}
  .chat-send{grid-column:4;grid-row:2}
  .chat-mode-popup{max-width:calc(100vw - 150px)}
  .chat-composer-foot{padding-left:10px;padding-right:10px}
}