:root{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--tbank-yellow:#ffdd2d;--tbank-yellow-hover:#f2cf00;--tbank-yellow-soft:#ffdd2d24;--tbank-yellow-glow:#ffdd2d3d;--tbank-black:#000;--tbank-dark:#121214;--tbank-panel:#1a1a1d;--tbank-panel-strong:#27272b;--tbank-text:#fff;--tbank-muted:#9b9ba1;--tbank-line:#323238;--bg:var(--tbank-black);--sidebar:var(--tbank-dark);--panel:var(--tbank-panel);--panel-strong:var(--tbank-panel-strong);--text:var(--tbank-text);--muted:var(--tbank-muted);--line:var(--tbank-line);--accent:var(--tbank-yellow);--accent-strong:var(--tbank-yellow-hover);--accent-on:#111;--danger:#ff5a5f;--shadow:0 18px 60px #0000006b}*{box-sizing:border-box}html,body{background:var(--bg);height:100%;color:var(--text);margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe 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auto;min-width:0;height:100dvh;min-height:0;display:grid;position:relative;overflow:hidden}.obsidian-bg{z-index:0;pointer-events:none;width:100%;height:100%;position:absolute;inset:0}.chat-shell>:not(.obsidian-bg){z-index:1;position:relative}.chat-context-menu{z-index:60;min-width:180px;box-shadow:var(--shadow);background:#1a1a1a;border:1px solid #2f2f2f;border-radius:10px;padding:4px;position:fixed}.chat-context-menu button{width:100%;min-height:36px;color:var(--text);text-align:left;cursor:pointer;background:0 0;border:0;border-radius:8px;align-items:center;gap:8px;padding:0 10px;font-size:13px;display:flex}.chat-context-menu button svg{color:#c6ccd6}.chat-context-menu button:hover{background:#ffffff14}.chat-context-menu button.danger,.chat-context-menu button.danger svg{color:#ff8a8a}.sidebar-backdrop{display:none}.chat-shell.empty,.chat-shell.empty.has-active-chat{grid-template-rows:auto minmax(0,1fr) 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