/* Shared light/dark palette. Page identity never chooses a theme. */
:root{--bg:#f6f7f9;--surface:#fff;--sidebar:#fcfcfd;--text:#222b2a;--muted:#87908f;--line:#e9edeb;--brand:#246853;--brand-hover:#194c3d;--soft:#eef6f1;--shadow:0 3px 18px #23342b03;--mint:#e8f3ec;--lavender:#efedfa;--peach:#fcf0e5;--accent-contrast:#fff;--hover-overlay:#23342b08;--warning:#9b6521;--danger:#ad4747;--chat-canvas:#fff;--chat-composer:#f1f4f2;--chat-border:#dce5df;--chat-glow:#edf6f0;--chat-user:#eef6f1;--chat-accent:#246853;--chat-accent-contrast:#fff;--app-scale:1;--app-viewport-height:100dvh;--app-viewport-width:100vw;color-scheme:light}
[data-theme="dark"]{--bg:#101617;--surface:#1a2224;--sidebar:#141b1d;--text:#edf1ef;--muted:#a1afa8;--line:#33403a;--brand:#d3b46f;--brand-hover:#e4c889;--soft:#29372e;--shadow:0 10px 32px #0003;--mint:#233e33;--lavender:#302e48;--peach:#46382a;--accent-contrast:#172317;--hover-overlay:#ffffff0c;--warning:#d7b371;--danger:#e5aaa0;--chat-canvas:#151c1d;--chat-composer:#262d2d;--chat-border:#3c4743;--chat-glow:#1f2c27;--chat-user:#33392b;--chat-accent:#ddb74c;--chat-accent-contrast:#1d211a;color-scheme:dark}
/* A deeper palette, focused conversation canvas and individual model cards. */
.sr-only{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
body.chat-page-active main{padding:25px 34px 16px}#page-chat{max-width:1240px;margin:auto;color:var(--text)}
.chat-page-header{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:14px}.chat-page-header h1{font-size:15px;font-weight:500;margin-top:5px;color:var(--text);letter-spacing:.2px}.chat-wordmark{font-size:11px;letter-spacing:3px;font-weight:700;color:var(--text)}.chat-wordmark span{padding:0 8px;color:var(--muted)}.chat-page-header .button{background:var(--soft);border-color:var(--line);border-radius:10px;color:var(--text);padding:10px 14px}
.chat-workbench{position:relative;display:flex;flex-direction:column;overflow:hidden;min-height:570px;height:calc(100dvh - 205px);max-height:1000px;padding:0 30px 14px;border:1px solid var(--line);border-radius:22px;background:radial-gradient(ellipse at 50% 32%,var(--soft) 0,transparent 65%),var(--surface);box-shadow:0 18px 65px #0003}
.chat-toolbar{display:flex;align-items:center;gap:9px;padding:16px 0;border:0;font-size:11px;letter-spacing:.4px;color:var(--muted)}.chat-session-dot{height:6px;width:6px;border-radius:50%;background:var(--soft);box-shadow:0 0 12px #87ac9133}.chat-toolbar .chat-icon-button{margin-left:auto;width:28px;height:28px}.chat-icon-button{display:inline-flex;justify-content:center;align-items:center;flex-shrink:0;width:36px;height:36px;padding:7px;color:var(--text);border:0;border-radius:50%;background:transparent}.chat-icon-button:hover{background:var(--hover-overlay);color:white}.chat-icon-button svg,.chat-file-chip svg,.chat-prompt svg,.chat-copy svg{width:21px;height:21px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.chat-messages{flex:1;min-height:0;overflow-y:auto;display:flex;flex-direction:column;gap:24px;padding:20px 8px 28px;scrollbar-width:thin;scrollbar-color:#3f5148 transparent}.chat-welcome{width:100%;max-width:810px;margin:auto;text-align:center;padding:28px 0 34px}.chat-hero-mark{display:grid;place-items:center;width:60px;height:60px;border:1px solid var(--line);border-radius:20px;margin:0 auto 24px;transform:rotate(-7deg);background:linear-gradient(140deg,var(--soft),var(--surface));color:var(--brand);box-shadow:0 10px 35px #0003}.chat-hero-mark svg{width:31px;height:31px;fill:none;stroke:currentColor;stroke-width:1.3;transform:rotate(7deg)}.chat-hero-eyebrow{font-size:9px;letter-spacing:2.7px;color:var(--muted)}.chat-welcome h2{font-size:clamp(25px,3vw,38px);font-weight:500;letter-spacing:-1px;margin:14px 0 12px;color:var(--text)}.chat-welcome>p{font-size:13px;color:var(--muted);line-height:1.8}.chat-prompts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:13px;text-align:left;margin:37px auto 0}.chat-prompt{min-width:0;padding:19px 17px;border:1px solid var(--line);border-radius:14px;background:linear-gradient(140deg,var(--soft),var(--surface));transition:transform .18s,border-color .18s;text-align:left}.chat-prompt:hover{transform:translateY(-3px);border-color:var(--line)}.chat-prompt svg{color:var(--brand);width:21px;height:21px;margin-bottom:11px}.chat-prompt strong{display:block;color:var(--text);font-size:13px;font-weight:500}.chat-prompt>span{display:block;color:var(--muted);font-size:11px;margin-top:6px}
.chat-composer{padding:7px 9px;border:1px solid var(--line);border-radius:26px;background:var(--soft);box-shadow:0 8px 28px #0003;flex-shrink:0;transition:border-color .2s}.chat-composer:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px #d3b46f0b,0 8px 28px #0003}.chat-input-row{display:flex;align-items:flex-end;gap:7px}.chat-add{align-self:flex-end;width:38px;height:38px;margin:1px 0}.chat-composer textarea{flex:1;min-width:50px;width:auto;resize:none;min-height:40px;max-height:180px;padding:10px 1px;border:0;outline:0;background:transparent;color:var(--text);font-size:14px;line-height:1.5;scrollbar-width:thin;font-family:inherit}.chat-composer textarea::placeholder{color:var(--muted)}.chat-composer textarea:focus-visible{outline:none}.chat-model-wrap{align-self:flex-end;max-width:200px;min-width:0;padding-bottom:6px}.chat-model-wrap select{max-width:100%;width:100%;min-height:28px;border:0;background:var(--soft);color:var(--text);text-overflow:ellipsis;white-space:nowrap;font-size:12px;padding:2px 3px;outline-offset:0}.chat-send-button{display:grid;place-items:center;width:38px;height:38px;border:0;border-radius:50%;background:var(--brand);color:var(--accent-contrast);flex-shrink:0;margin:1px 0;transition:background .2s}.chat-send-button:hover{background:var(--brand)}.chat-send-button:disabled{background:var(--soft);color:var(--text);opacity:.7;cursor:default}.chat-send-button svg{width:21px;height:21px;stroke:currentColor;stroke-width:2;fill:none;stroke-linecap:round;stroke-linejoin:round}.chat-composer-footer{display:flex;justify-content:space-between;align-items:flex-start;gap:20px;padding:12px 9px 0;flex-shrink:0}.chat-composer-footer>span{font-size:10px;color:var(--muted);line-height:1.6}.chat-composer-footer>span:last-child{text-align:right;flex-shrink:0}.chat-composer-footer #chat-status{color:var(--muted);overflow-wrap:anywhere}
.chat-message{position:relative;border-radius:16px;padding:17px 20px;background:var(--soft);color:var(--text);max-width:88%;line-height:1.85;overflow-wrap:anywhere}.chat-message.user{align-self:flex-end;background:var(--soft);border:1px solid var(--line);color:var(--text)}.chat-message.assistant{align-self:flex-start;background:transparent;border-left:2px solid var(--brand);border-radius:0;max-width:95%;padding:4px 22px 8px}.chat-message>strong{display:block;font-size:10px;letter-spacing:1.2px;color:var(--muted);margin-bottom:8px}.chat-message.user>strong{color:var(--muted);opacity:1}.chat-message-body{white-space:pre-wrap;font-size:14px}.chat-copy{display:flex;width:26px;height:26px;align-items:center;justify-content:center;border:0;color:var(--muted);border-radius:5px;margin-top:10px}.chat-copy:hover{color:var(--brand);background:var(--soft)}.chat-copy svg{width:15px;height:15px}.chat-thinking{display:flex;gap:5px;align-items:center;font-size:12px;color:var(--muted);padding-left:20px}.chat-thinking i{width:4px;height:4px;background:var(--soft);border-radius:50%;animation:chatPulse 1.2s ease-in-out infinite}.chat-thinking i:nth-child(2){animation-delay:.2s}.chat-thinking i:nth-child(3){animation-delay:.4s}@keyframes chatPulse{50%{opacity:.3;transform:translateY(-3px)}}
.chat-attachments,.chat-message-files{display:flex;gap:8px;flex-wrap:wrap}.chat-attachments:not(:empty){padding:7px 9px 10px}.chat-message-files{margin-top:10px}.chat-file-chip{display:flex;align-items:center;gap:9px;max-width:260px;min-width:0;padding:8px 10px;border:1px solid var(--line);border-radius:12px;background:var(--soft);color:var(--text)}.chat-file-chip>img{width:38px;height:38px;object-fit:cover;border-radius:6px}.chat-file-chip>svg{width:23px;height:23px;color:var(--brand);flex-shrink:0}.chat-file-chip>span{min-width:0}.chat-file-chip strong{display:block;max-width:170px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:11px;font-weight:500}.chat-file-chip small{display:block;color:var(--muted);font-size:10px}.chat-file-remove{border:0;background:transparent;color:var(--text);padding:3px 5px;font-size:20px;line-height:1}.chat-drop-hint{display:none;position:absolute;inset:12px;border:2px dashed var(--brand);border-radius:16px;background:var(--soft);place-items:center;font-size:20px;color:var(--brand);z-index:3;pointer-events:none}.dragging .chat-drop-hint{display:grid}
.admin-shell{max-width:1250px;padding:40px 32px}.admin-shell>h1{font-size:30px;margin:12px 0 6px}.admin-shell>.muted{color:var(--muted)}.admin-shell .memo-toolbar{margin:24px 0 16px}.admin-shell .card{border:1px solid var(--line);box-shadow:none;background:var(--surface)}.admin-nav{padding:0 0 22px;border-bottom:1px solid var(--line);gap:12px}.admin-nav a{color:var(--text);border:1px solid var(--line);background:var(--soft)}.admin-shell .overview-card{background:linear-gradient(140deg,var(--soft),var(--surface));border-color:var(--line)}.overview-card strong{color:var(--text)}.overview-card span{color:var(--muted)}.console-section{padding:26px 0;margin:26px 0;border:0;background:transparent}.model-section-heading{display:flex;gap:20px;align-items:center;justify-content:space-between;margin-bottom:24px}.model-section-heading h2{font-size:23px;color:var(--text);margin:6px 0}.model-section-heading .muted{font-size:12px}.model-section-heading .primary{background:var(--brand);color:var(--accent-contrast);border:0;padding:11px 17px;font-weight:600;border-radius:10px}.model-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:17px;margin:0}.model-card{display:flex;flex-direction:column;min-width:0;padding:23px;border:1px solid var(--line);border-radius:17px;background:linear-gradient(145deg,var(--soft),var(--surface));box-shadow:0 8px 25px #0001;transition:border-color .2s,transform .2s}.model-card:hover{border-color:var(--line);transform:translateY(-2px)}.model-card.disabled{background:linear-gradient(145deg,var(--soft),var(--surface));border-color:var(--line)}.model-card-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px;gap:12px}.model-monogram{display:grid;place-items:center;height:39px;width:39px;border-radius:12px;background:var(--soft);color:var(--brand);border:1px solid var(--line);font-size:22px;font-weight:500}.model-state{padding:4px 9px;border-radius:20px;font-size:10px;color:var(--text);background:var(--soft);border:1px solid var(--line)}.disabled .model-state{color:var(--muted);background:var(--soft);border-color:var(--line)}.model-card h3{font-size:17px;font-weight:600;color:var(--text);overflow-wrap:anywhere}.model-id{display:block;color:var(--muted);font-size:11px;margin-top:8px;white-space:nowrap;text-overflow:ellipsis;overflow:hidden}.model-meta{display:flex;gap:7px;flex-wrap:wrap;margin:22px 0 24px}.model-meta span{max-width:100%;overflow-wrap:anywhere;border:1px solid var(--line);border-radius:5px;padding:3px 7px;color:var(--muted);font-size:10px}.model-card-actions{display:flex;flex-wrap:wrap;gap:7px;margin-top:auto;border-top:1px solid var(--line);padding-top:17px}.model-card-actions .button{font-size:11px;background:var(--soft);border:1px solid var(--line);color:var(--text);border-radius:7px}.model-card-actions .danger{color:var(--text);background:transparent;border-color:transparent;margin-left:auto}.models-empty{grid-column:1/-1;padding:55px 25px;text-align:center;border:1px dashed var(--line);border-radius:17px;background:var(--surface)}.models-empty h3{font-size:19px;color:var(--text);margin-bottom:10px}.models-empty p{font-size:12px;color:var(--muted)}.model-dialog{width:min(700px,94vw);background:var(--soft);color:var(--text);border:1px solid var(--line);border-radius:18px;padding:27px}.model-dialog .muted{font-size:12px}.model-dialog::backdrop{background:var(--surface);backdrop-filter:blur(5px)}.model-dialog input,.model-dialog select{background:var(--surface)!important;border-color:var(--line)!important;color:var(--text)!important}.model-dialog label{font-size:12px;color:var(--text)}.model-dialog #provider-alias{margin-bottom:10px}.model-dialog #provider-status{font-size:12px;color:var(--brand);overflow-wrap:anywhere}.admin-shell .announcement-content,.admin-shell input,.admin-shell textarea{color:var(--text)}.admin-shell .admin-table{border-color:var(--line)}.admin-shell .admin-table td,.admin-shell .admin-table th{border-color:var(--line)}.admin-shell .button{border-color:var(--line)}.admin-shell .primary{background:var(--brand);color:var(--accent-contrast)}.admin-shell #admin-status{color:var(--muted)}
@media(min-width:1700px){.chat-workbench{height:calc(100dvh - 220px)}}
@media(max-width:1100px){.model-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.chat-workbench{padding:0 22px 14px}.chat-model-wrap{max-width:150px}}
@media(max-width:720px){body.chat-page-active main{padding:18px 12px 12px}.chat-page-header{margin-bottom:12px;padding:0 3px}.chat-page-header h1{font-size:12px}.chat-wordmark{font-size:9px;letter-spacing:2px}.chat-page-header .button{padding:7px 10px;font-size:11px}.chat-workbench{height:calc(100dvh - 278px);min-height:480px;padding:0 12px 12px;border-radius:17px}.sidebar-collapsed .chat-workbench{height:calc(100dvh - 228px)}.chat-toolbar{font-size:10px;padding:12px 0}.chat-messages{padding:8px 1px 20px;gap:20px}.chat-welcome{padding:15px 0 24px}.chat-hero-mark{width:48px;height:48px;border-radius:16px;margin-bottom:20px}.chat-hero-eyebrow{font-size:8px;letter-spacing:1.6px}.chat-welcome h2{font-size:24px;letter-spacing:-.7px;margin:12px 0}.chat-welcome>p{font-size:11px}.chat-prompts{gap:7px;margin-top:23px}.chat-prompt{padding:14px 9px;border-radius:10px}.chat-prompt strong{font-size:11px}.chat-prompt>span{font-size:9px;margin-top:5px;line-height:1.5}.chat-prompt svg{width:17px;height:17px;margin-bottom:8px}.chat-composer{padding:6px;border-radius:23px}.chat-input-row{gap:3px;flex-wrap:wrap}.chat-add{width:30px;height:36px;padding:5px}.chat-composer textarea{font-size:13px;flex-basis:calc(100% - 80px);min-height:38px}.chat-model-wrap{order:4;max-width:100%;width:100%;padding:0 6px 4px 34px}.chat-model-wrap select{max-width:100%;width:auto;font-size:10px}.chat-send-button{height:34px;width:34px;margin-bottom:2px}.chat-composer-footer{padding:10px 3px 0;gap:5px}.chat-composer-footer>span{font-size:9px}.chat-composer-footer>span:last-child{display:none}.chat-message{max-width:94%;padding:12px 15px}.chat-message.assistant{padding:3px 15px}.chat-message-body{font-size:13px}.chat-file-chip{max-width:100%;padding:6px 8px}.chat-file-chip strong{max-width:180px}.chat-attachments:not(:empty){padding:5px 6px 8px}.admin-shell{padding:26px 16px}.model-grid{grid-template-columns:1fr}.model-section-heading{align-items:flex-start}.model-section-heading h2{font-size:20px}.model-section-heading .muted{font-size:11px}.model-section-heading .primary{white-space:nowrap;font-size:11px;padding:9px 12px}.model-card{padding:20px}.model-dialog{padding:20px}.console-fields{grid-template-columns:1fr}.overview-card strong{font-size:26px}}
@media(prefers-reduced-motion:reduce){.chat-thinking i{animation:none}.chat-prompt,.model-card{transition:none}}

/* Global controls share the same palette on every page and in administration. */
.nav-item{color:var(--muted)}.nav-item.active{color:var(--brand)}.button.primary{color:var(--accent-contrast)}.card,.topbar{border-color:var(--line)}.topbar{background:var(--bg)}.chat-workbench{background:radial-gradient(ellipse at 50% 32%,var(--chat-glow),transparent 65%),var(--chat-canvas);border-color:var(--line);height:calc(var(--app-viewport-height) - 205px)}.chat-composer,.chat-model-wrap select{background:var(--chat-composer)}.chat-composer{border-color:var(--chat-border)}.chat-send-button{background:var(--chat-accent);color:var(--chat-accent-contrast)}.chat-send-button:hover{background:var(--brand-hover)}.chat-composer textarea::placeholder{color:var(--muted)}.model-card-actions .danger{color:var(--danger)}.model-card-actions .danger:hover{background:var(--hover-overlay)}.admin-shell .announcement-content,.admin-shell input,.admin-shell textarea{color:var(--text)}
.appearance-settings{border-top:1px solid var(--line);padding:20px 0;margin:14px 0}.appearance-settings h3{font-size:14px;margin-bottom:12px}.appearance-controls{display:grid;grid-template-columns:1fr 1fr;gap:16px}.appearance-controls label{display:grid;gap:7px;color:var(--muted);font-size:12px}.appearance-controls select,.admin-appearance select{border:1px solid var(--line);background:var(--surface);color:var(--text);border-radius:8px;padding:9px 11px}.admin-appearance{display:flex;align-items:center;justify-content:flex-end;gap:15px;margin:12px 0}.admin-appearance label{font-size:11px;color:var(--muted);display:flex;align-items:center;gap:7px}.admin-appearance select{padding:6px 9px}
/* CSS zoom scales actual layout. Viewport-sized fixed surfaces use scaled units. */
.sidebar{height:var(--app-viewport-height);bottom:auto}.app-shell{min-height:var(--app-viewport-height)}.dialog,dialog{max-width:calc(var(--app-viewport-width) - 24px);max-height:calc(var(--app-viewport-height) - 24px)}.toast{max-width:calc(var(--app-viewport-width) - 30px)}
@media(min-width:1700px){.chat-workbench{height:calc(var(--app-viewport-height) - 220px)}}
@media(max-width:720px){.sidebar{height:auto;bottom:auto}.appearance-controls{grid-template-columns:1fr}.chat-workbench{height:calc(var(--app-viewport-height) - 278px)}.sidebar-collapsed .chat-workbench{height:calc(var(--app-viewport-height) - 228px)}}
@media(max-width:720px){.sidebar nav{flex-wrap:wrap}.sidebar nav .nav-item{flex:1 1 calc(50% - 4px);min-width:0;justify-content:flex-start}.sidebar nav .nav-item .nav-text{overflow:hidden;text-overflow:ellipsis}}
.chat-icon-button:hover{color:var(--text)}