/* Neutral charcoal, compact cascading menus and preference rows from the supplied references. */
:root:not([data-theme="light"]){--bg:#191919;--bg-deep:#1f1f1f;--surface:#202020;--surface-2:#292929;--surface-3:#373737;--line:#383838;--line-soft:#2d2d2d;--ink:#eee;--ink-2:#b7b7b7;--ink-3:#999;--scrim:#0008;--shadow-pop:0 8px 28px #0006;--accent-soft:#ffffff0b;--accent-line:#555;--motif:none}
@media(prefers-color-scheme:light){:root:not([data-theme]){--bg:#faf9f5;--bg-deep:#f0eee7;--surface:#fff;--surface-2:#f1f0eb;--surface-3:#e8e6df;--line:#d9d7cf;--line-soft:#e9e7df;--ink:#272724;--ink-2:#63635e;--ink-3:#777770;--scrim:#18181044}}
body{background:var(--bg)}.sidebar{background:var(--bg-deep)}.chat,.welcome,.code-workspace{background:var(--bg)}.chat .bubble{background:var(--surface-2)}
[data-interface-font="system"]{--font:system-ui,-apple-system,"Segoe UI",sans-serif}[data-interface-font="serif"]{--font:Georgia,"Times New Roman",serif}
[data-response-font="serif"] .msg.ai .prose{font-family:Georgia,"Times New Roman",serif}[data-response-font="sans"] .msg.ai .prose{font-family:var(--font)}[data-response-font="mono"] .msg.ai .prose{font-family:var(--mono)}
[data-transcript-width="wide"] .thread-inner,[data-transcript-width="wide"] .composer-wrap{max-width:1100px}
[data-font="sm"] .msg .prose,[data-font="sm"] .msg.user .bubble{font-size:.9rem}[data-font="lg"] .msg .prose,[data-font="lg"] .msg.user .bubble{font-size:1.15rem}
.model-popover{position:fixed;inset:0;z-index:1002;pointer-events:none}.scrim:has(+.model-popover){background:transparent}
.model-cascade{position:fixed;background:var(--surface-2);color:var(--ink);border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow-pop);padding:6px;pointer-events:auto;text-align:left;min-height:0;max-height:calc(100dvh - 24px);overflow:visible;font-size:14px}
.model-current{display:flex;align-items:flex-start;justify-content:space-between;gap:20px;width:100%;border:0;background:none;color:inherit;text-align:left;padding:8px 10px}.model-current small{display:block;color:var(--ink-3);margin-top:4px}.model-current strong{font-weight:550}.model-check{color:#4598ed}
.cascade-row{display:flex;align-items:center;justify-content:space-between;gap:12px;width:100%;background:transparent;border:0;color:inherit;font:inherit;text-align:left;padding:7px 10px;border-radius:7px;min-height:32px;cursor:pointer}.cascade-row:hover:not(:disabled),.cascade-row[aria-expanded=true]{background:var(--surface-3)}.cascade-row:disabled{cursor:default;opacity:.5}.cascade-row>span:last-child{color:var(--ink-3)}.cascade-row .model-check{color:#4598ed!important}.cascade-row small{color:var(--ink-3);font-size:11px;margin-left:8px}.model-help{font-size:12px!important;line-height:1.45;color:var(--ink-3);margin:7px 10px!important;padding-top:6px;border-top:1px solid var(--line)}
.model-submenu{position:absolute;left:calc(100% + 5px);bottom:0;width:300px;background:var(--surface-2);border:1px solid var(--line);border-radius:16px;padding:7px;box-shadow:var(--shadow-pop);max-height:75dvh;overflow:auto}.model-submenu.opens-left{left:auto;right:calc(100% + 5px)}.model-submenu .model-help{border:0;margin:0 0 8px!important;padding:4px}.submenu-back{display:none}.cascade-model{display:flex;align-items:center}.cascade-model .cascade-row{flex:1;min-width:0}.cascade-model .model-tier{font-size:10px;padding:0 4px;background:none;border:1px solid var(--line);white-space:nowrap;margin-left:5px}.model-upgrade{color:#71b4f3;background:transparent;border:1px solid #477196;border-radius:10px;padding:1px 5px;font-size:10px;white-space:nowrap;cursor:pointer;margin-right:8px}
.preferences-page{position:fixed!important;inset:18px;z-index:60;width:min(1120px,calc(100% - 36px));height:calc(100dvh - 36px);margin:auto;background:var(--surface);border:1px solid var(--line);border-radius:10px;overflow:hidden;box-shadow:0 12px 60px #0006}
.preferences-header{height:44px;min-height:44px;display:flex;align-items:center;justify-content:space-between;padding:0 12px;border-bottom:1px solid var(--line)}.preferences-header .btn{font-size:26px}.preferences-page .settings-layout{display:grid!important;grid-template-columns:200px minmax(0,1fr);gap:0;max-width:none;width:100%;padding:0;margin:0;min-height:0;height:calc(100% - 44px);overflow:hidden}.preferences-page .settings-nav{display:block!important;overflow:auto;border-right:1px solid var(--line);padding:16px 12px;background:var(--bg-deep)}.preferences-page .settings-nav .input{min-height:30px;height:30px;font-size:13px;padding:5px 10px}.preferences-page .settings-nav small{padding:0;margin:24px 0 10px;font-size:12px;letter-spacing:0}.preferences-page .settings-nav nav{display:block!important;overflow:visible}.preferences-page .settings-link{font-size:13px;line-height:1.4;padding:7px 10px;margin:2px 0;white-space:normal}.preferences-page .settings-link.active{background:var(--surface-3)}.preferences-page .settings-body{overflow:auto;min-height:0;padding:20px 24px 70px}.preferences-page h2{font-size:15px;margin:0 0 20px;font-weight:600}.general-preferences>h2:not(:first-child){margin-top:44px}.preference-row{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:54px;border-bottom:1px solid var(--line-soft);font-size:14px;padding:10px 0}.preference-row>div:first-child{min-width:0}.preference-row small{display:block;color:var(--ink-3);line-height:1.5;margin-top:5px}.preference-control{flex-shrink:0;max-width:50%}.preference-select{appearance:auto;border:0;box-shadow:none;background:transparent;color:var(--ink);font:inherit;text-align:right;max-width:100%;padding:5px 0;cursor:pointer}.preference-select option{background:var(--surface-2);color:var(--ink)}.theme-segments{display:flex;background:var(--surface-2);border-radius:8px;padding:2px}.theme-segments button{border:1px solid transparent;background:transparent;color:var(--ink-2);border-radius:6px;font-size:20px;padding:0 5px;cursor:pointer}.theme-segments button[aria-pressed=true]{background:var(--surface-3);border-color:var(--line);color:var(--ink)}.settings-note{color:var(--ink-3);font-size:12px;line-height:1.6}.focus-clock{font:48px var(--mono);margin:24px 0}.preferences-page .section{border:0;padding:0}.preferences-page .settings-nav .settings-note{display:block;margin:8px 0}
.code-workspace{display:flex;flex-direction:column;height:100%;min-height:0}.code-session-heading{display:flex;align-items:center;justify-content:space-between;min-height:50px;padding:0 24px;font-size:13px;color:var(--ink-3);border-bottom:1px solid var(--line-soft)}.code-workspace>.chat{flex:1;min-height:0}.code-workspace .chat>.topbar{display:none}.code-welcome{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:40px 20px;gap:14px}.code-welcome h1{font-size:clamp(25px,3vw,34px);font-weight:500;margin:0;letter-spacing:-.03em}.code-welcome p{margin:0;color:var(--ink-2)}.code-welcome small{color:var(--ink-3)}.code-glyph{font:24px var(--mono);padding:16px;border:1px solid var(--line);border-radius:14px;color:var(--ink-2);margin-bottom:10px}.code-toolbar{display:flex;align-items:center;gap:5px;flex-wrap:wrap;max-width:850px;margin:5px auto;padding:0 8px;font-size:12px}.code-control-wrap{position:relative}.code-control{display:flex;align-items:center;gap:6px;padding:5px 8px;border:0;border-radius:7px;color:var(--ink-3);background:transparent;cursor:pointer;font:inherit}.code-control:hover{background:var(--surface-2);color:var(--ink)}.code-control-menu{position:absolute;bottom:calc(100% + 12px);left:0;width:320px;max-width:calc(100vw - 30px);max-height:65dvh;overflow:auto;padding:10px;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow-pop);background:var(--surface-2);z-index:15;display:flex;flex-direction:column;gap:9px;color:var(--ink)}.code-control-menu .input{font-size:13px;min-height:34px}.code-control-menu .settings-note{margin:0}.code-control-menu label{display:flex;flex-direction:column;gap:5px}.code-workspace .composer-hint{font-size:10px}.code-workspace .composer{border-radius:16px}.code-workspace .composer textarea{min-height:65px}.code-workspace .composer-wrap{max-width:850px}
@media(max-width:760px){.model-cascade{max-width:calc(100vw - 24px)}.model-cascade[data-panel="models"] .model-primary,.model-cascade[data-panel="effort"] .model-primary{display:none}.model-submenu,.model-submenu.opens-left{position:static;width:100%;max-height:65dvh;border:0;box-shadow:none;padding:0}.submenu-back{display:block;border:0;background:none;color:var(--ink-2);padding:8px;cursor:pointer}.preferences-page{inset:0;width:100%;height:100dvh;border-radius:0}.preferences-page .settings-layout{grid-template-columns:130px minmax(0,1fr)}.preferences-page .settings-nav{padding:12px 6px}.preferences-page .settings-link{padding:8px 7px;font-size:12px}.preferences-page .settings-body{padding:18px 14px 60px}.preference-row{gap:8px;flex-wrap:wrap;align-items:flex-start;padding:12px 0}.preference-control{max-width:100%;margin-left:auto}.preference-select{font-size:12px}.preferences-page .settings-nav .input{padding:5px;font-size:11px}.code-control-menu{position:fixed;left:12px;bottom:150px;width:calc(100vw - 24px)}.code-session-heading{padding:0 12px}.code-welcome small{max-width:28ch}.code-toolbar{font-size:11px}}

.scrim:has(+.model-popover){backdrop-filter:none;-webkit-backdrop-filter:none}.preferences-page .settings-link{display:flex;align-items:center;gap:10px}.preferences-page .settings-link .ic{flex-shrink:0}.preferences-page .switch>span:last-child:not(.track){position:absolute;width:1px;height:1px;padding:0;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}.preferences-page .switch input:checked+.track{background:#2b82d9;border-color:#2b82d9}.preferences-page .preference-row input[role=switch][disabled]{appearance:none;width:34px;height:20px;border-radius:20px;background:var(--surface-3);position:relative;opacity:.5}.preferences-page .preference-row input[role=switch][disabled]::after{content:"";position:absolute;top:3px;left:3px;width:14px;height:14px;background:var(--ink-2);border-radius:50%}