:root{color-scheme:light;--bg: #ffffff;--sidebar: #f6f6f4;--surface: #ffffff;--surface-soft: #f1f1ee;--surface-hover: #e7e7e2;--text: #1f2320;--muted: #686f69;--subtle: #8b918b;--border: #ddddD6;--accent: #0f8f72;--accent-soft: #dff4ee;--danger: #c33434;--warning: #a16207;--bubble-user: #262b28;--bubble-user-text: #ffffff;--shadow: 0 14px 36px rgb(31 35 32 / .12);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}:root[data-theme=dark]{color-scheme:dark;--bg: #20211f;--sidebar: #171816;--surface: #20211f;--surface-soft: #2a2c29;--surface-hover: #333630;--text: #eceee9;--muted: #b9bdb5;--subtle: #8f948c;--border: #3d403a;--accent: #54d2ad;--accent-soft: #173c33;--danger: #ff8d8d;--warning: #f0c15e;--bubble-user: #f1f3ee;--bubble-user-text: #1f2320;--shadow: 0 16px 42px rgb(0 0 0 / .28)}*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh;background:var(--bg);color:var(--text)}button,input,textarea,select{font:inherit}button{color:inherit}input,textarea,select{width:100%;border:1px solid var(--border);border-radius:8px;background:var(--surface);color:var(--text);outline:0;padding:10px 11px}textarea{resize:vertical;line-height:1.5}input:focus,textarea:focus,select:focus{border-color:var(--accent)}.shell{display:flex;height:100vh;min-height:560px;overflow:hidden;background:var(--bg)}.sidebar{width:292px;background:var(--sidebar);display:flex;flex-direction:column;padding:8px;transition:margin-left .18s ease,transform .18s ease;z-index:30}.sidebar.closed{margin-left:-292px}.sidebar-top,.brand-row,.new-chat,.sidebar-link,.history-item,.topbar,.topbar-left,.topbar-actions,.model-picker,.theme-button,.icon-button,.send-button,.copy-button,.account-chip,.prompt-grid button,.mode-chip,.secure-note,.toolbar-group,.action-button,.primary-button,.secondary-button,.tool-title,.storage-strip,.file-chip,.file-line,.row-actions,.keyboard-line,.memory-item,.project-row,.mini-project,.user-menu,.upload-status{display:flex;align-items:center}.sidebar-top{justify-content:space-between;height:42px;margin-bottom:4px}.icon-button,.theme-button,.send-button,.composer-icon{justify-content:center;width:36px;height:36px;border:0;border-radius:8px;background:transparent;cursor:pointer}.icon-button:hover,.theme-button:hover,.composer-icon:hover{background:var(--surface-hover)}.brand-row,.new-chat,.sidebar-link,.history-item,.mini-project{width:100%;min-height:40px;gap:10px;border:0;border-radius:8px;background:transparent;cursor:pointer;padding:9px 10px;text-align:left}.brand-row{font-weight:700;margin-bottom:4px}.brand-mark,.account-avatar,.avatar,.message-square-icon,.google-g{display:grid;place-items:center;flex:0 0 auto}.brand-mark{width:30px;height:30px;border:1px solid color-mix(in srgb,var(--text) 18%,transparent);border-radius:8px;background:var(--text);color:var(--bg);font-size:15px;font-weight:850}.brand-mark.large{width:54px;height:54px;border-radius:8px;font-size:27px}.brand-mark span{transform:translateY(-1px)}.new-chat:hover,.sidebar-link:hover,.history-item:hover,.history-item.active,.brand-row:hover,.mini-project:hover,.mini-project.active,.sidebar-link.active{background:var(--surface-hover)}.new-chat{color:var(--text);font-weight:600}.sidebar-search{display:grid;grid-template-columns:18px minmax(0,1fr);align-items:center;gap:8px;min-height:38px;margin:4px 0 8px;border:1px solid var(--border);border-radius:8px;background:var(--surface);color:var(--subtle);padding:0 10px}.sidebar-search input{min-width:0;border:0;background:transparent;padding:8px 0}.sidebar-nav{display:grid;gap:2px;padding-bottom:8px;border-bottom:1px solid var(--border)}.sidebar-link,.history-item,.mini-project{color:var(--muted)}.history{min-height:0;flex:1;overflow-y:auto;padding-top:8px}.history-label{color:var(--subtle);font-size:12px;font-weight:700;letter-spacing:0;margin:9px 10px 6px}.history-item{position:relative}.history-item span,.mini-project span,.account-chip span{min-width:0;flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.history-item.active,.mini-project.active{color:var(--text)}.delete-icon{opacity:0;color:var(--subtle);flex:0 0 auto}.history-item:hover .delete-icon{opacity:1}.delete-icon:hover{color:var(--danger)}.message-square-icon{width:17px;height:17px;border:1.6px solid currentColor;border-radius:5px}.message-square-icon span{width:5px;height:5px;border-radius:999px;background:currentColor}.empty-state,.muted{color:var(--subtle);font-size:14px;line-height:1.45}.empty-state{padding:8px 10px}.project-mini-list{max-height:190px;overflow-y:auto;border-top:1px solid var(--border);padding-top:6px}.mini-project{min-height:34px;padding-block:7px;font-size:13px}.sidebar-footer{padding-top:8px;border-top:1px solid var(--border)}.account-chip{width:100%;gap:10px;min-height:42px;border:0;border-radius:8px;background:transparent;color:var(--muted);cursor:pointer;padding:7px 8px;text-align:left}.account-chip:hover{background:var(--surface-hover)}.account-avatar,.avatar-image{width:28px;height:28px;border-radius:999px}.account-avatar{background:var(--accent-soft);color:var(--accent);font-size:13px;font-weight:800}.avatar-image{object-fit:cover}.sidebar-scrim{display:none}.workspace{min-width:0;flex:1;display:flex;flex-direction:column;background:var(--bg)}.topbar{height:58px;justify-content:space-between;padding:8px 16px;border-bottom:1px solid color-mix(in srgb,var(--border) 75%,transparent)}.topbar-left,.topbar-actions{min-width:0;gap:7px}.model-picker{gap:6px;min-width:0;max-width:360px;border:0;border-radius:8px;background:transparent;cursor:pointer;font-size:18px;font-weight:700;padding:8px 10px}.model-picker span{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.model-picker:hover,.user-menu:hover{background:var(--surface-hover)}.user-menu{justify-content:center;width:40px;height:36px;border:0;border-radius:999px;background:transparent;cursor:pointer}.mode-chip,.secure-note{gap:7px;min-height:32px;border-radius:999px;color:var(--muted);font-size:13px}.mode-chip{border:1px solid var(--border);background:transparent;cursor:pointer;padding:6px 10px}.mode-chip:hover,.mode-chip.active{background:var(--accent-soft);color:var(--text);border-color:color-mix(in srgb,var(--accent) 42%,var(--border))}.secure-note{padding:0 4px}.error-banner{margin:8px auto 0;width:min(840px,calc(100% - 32px));border:1px solid color-mix(in srgb,var(--danger) 42%,var(--border));border-radius:8px;background:color-mix(in srgb,var(--danger) 10%,var(--surface));color:var(--text);cursor:pointer;padding:10px 12px;text-align:left}.messages{flex:1;overflow-y:auto;padding:18px 18px 154px}.messages.empty{display:flex;align-items:center;justify-content:center;padding-bottom:190px}.welcome{display:flex;flex-direction:column;align-items:center;gap:22px;margin:0 auto;width:min(780px,100%)}.welcome h1{margin:0;font-size:clamp(28px,4.5vw,36px);line-height:1.12;text-align:center;font-weight:650}.prompt-grid{width:min(640px,100%);display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.prompt-grid button{min-height:50px;gap:10px;border:1px solid var(--border);border-radius:8px;background:transparent;color:var(--muted);cursor:pointer;padding:12px 14px;text-align:left}.prompt-grid button:hover{background:var(--surface-soft);color:var(--text)}.thread-title{width:min(820px,100%);margin:8px auto 24px;color:var(--subtle);font-size:13px;text-align:center}.message{display:grid;grid-template-columns:34px minmax(0,820px);gap:14px;margin:0 auto 26px;width:min(900px,100%)}:root[data-compact=true] .message{margin-bottom:16px}.message.user{display:flex;justify-content:flex-end}.avatar{width:32px;height:32px;border-radius:999px;background:var(--surface-soft);color:var(--text)}.message.user .avatar,.message.user .message-meta,.message.user .copy-button{display:none}.message-body{min-width:0}.message.user .message-body{max-width:min(680px,84%)}.message-meta{color:var(--muted);font-size:13px;font-weight:700;margin-bottom:8px}.message-content{white-space:pre-wrap;overflow-wrap:anywhere;line-height:1.68}.message.user .message-content{background:var(--bubble-user);color:var(--bubble-user-text);border-radius:18px;padding:10px 15px;line-height:1.5}.message.assistant .message-content{padding-top:1px}.typing{color:var(--subtle)}.code-block{overflow-x:auto;border:1px solid var(--border);border-radius:8px;background:var(--surface-soft);padding:12px;white-space:pre}.copy-button{gap:6px;margin-top:12px;padding:6px 8px;border:0;border-radius:8px;background:transparent;color:var(--subtle);cursor:pointer;font-size:13px}.copy-button:hover{background:var(--surface-hover);color:var(--text)}.message-attachments,.attachment-tray{display:flex;flex-wrap:wrap;gap:8px}.message-attachments{margin-bottom:8px}.file-chip{max-width:100%;gap:7px;min-height:32px;border:1px solid var(--border);border-radius:8px;background:var(--surface);color:var(--muted);padding:5px 8px;font-size:13px}.file-chip span{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.file-chip small{color:var(--subtle);white-space:nowrap}.file-chip button{display:grid;place-items:center;width:20px;height:20px;border:0;border-radius:6px;background:transparent;color:var(--subtle);cursor:pointer}.file-chip button:hover{background:var(--surface-hover);color:var(--danger)}.composer-wrap{width:min(820px,calc(100% - 28px));margin:0 auto;padding:12px 0 18px;position:sticky;bottom:0;background:var(--bg)}.composer-toolbar{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:8px;padding:0 4px}.toolbar-group{flex-wrap:wrap;gap:8px}.attachment-tray{margin-bottom:8px;padding-inline:4px}.upload-status{gap:6px;min-height:32px;color:var(--muted);font-size:13px}.composer{display:grid;grid-template-columns:38px minmax(0,1fr) 38px;gap:8px;align-items:end;border:1px solid var(--border);border-radius:26px;background:var(--surface);box-shadow:var(--shadow);padding:8px}.composer textarea{max-height:190px;min-height:36px;resize:none;border:0;background:transparent;padding:8px 0 6px;line-height:1.5}.composer textarea::placeholder{color:var(--subtle)}.send-button{width:34px;height:34px;border-radius:999px;background:var(--text);color:var(--bg)}.send-button:disabled,.composer-icon:disabled{cursor:not-allowed;opacity:.35}.composer-note{color:var(--subtle);font-size:12px;margin:8px 4px 0;text-align:center}.panel-scroll{flex:1;overflow-y:auto;padding:28px}.section-header{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;width:min(1100px,100%);margin:0 auto 18px}.section-header h1{margin:2px 0 0;font-size:clamp(24px,3vw,34px);line-height:1.14}.eyebrow{margin:0;color:var(--accent);font-size:12px;font-weight:800;text-transform:uppercase}.two-column{width:min(1100px,100%);margin:0 auto;display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:16px}.stack{display:grid;gap:14px;align-content:start}.tool-panel,.list-panel,.empty-panel,.settings-modal,.login-gate,.auth-panel{border:1px solid var(--border);border-radius:8px;background:var(--surface);box-shadow:var(--shadow)}.tool-panel{display:grid;gap:12px;padding:16px}.tool-title{gap:8px;color:var(--text);font-weight:750}.button-row{display:flex;flex-wrap:wrap;gap:8px}.action-button,.primary-button,.secondary-button{justify-content:center;gap:8px;min-height:38px;border-radius:8px;cursor:pointer;font-weight:650;padding:8px 12px}.action-button,.secondary-button{border:1px solid var(--border);background:var(--surface)}.action-button:hover,.secondary-button:hover{background:var(--surface-hover)}.primary-button{border:1px solid color-mix(in srgb,var(--accent) 62%,var(--border));background:var(--accent);color:#fff}.secondary-button.danger{color:var(--danger)}.list-panel{overflow:hidden}.project-row,.library-row{width:100%;min-height:58px;gap:11px;border:0;border-bottom:1px solid var(--border);background:transparent;color:var(--text);padding:12px 14px;text-align:left}.project-row{cursor:pointer}.project-row:hover,.project-row.active,.library-row:hover{background:var(--surface-soft)}.project-row span,.file-line span,.account-card span{min-width:0;display:grid;gap:2px}.project-row strong,.file-line strong{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.project-row small,.file-line small,.account-card small{color:var(--subtle);font-size:12px}.project-row svg:last-child{margin-left:auto;color:var(--subtle)}.project-row svg:last-child:hover{color:var(--danger)}.empty-panel{min-height:320px;display:grid;place-items:center;align-content:center;gap:12px;padding:28px;text-align:center}.empty-panel h2{margin:0}.empty-panel p{max-width:420px;margin:0;color:var(--muted);line-height:1.55}.storage-strip{width:min(1100px,100%);gap:8px;margin:0 auto 14px;border:1px solid var(--border);border-radius:8px;background:var(--surface-soft);color:var(--muted);padding:10px 12px}.library-row{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center}.file-line{min-width:0;gap:10px}.file-list.compact{display:grid;gap:8px}.row-actions{gap:4px}.row-actions button{display:grid;place-items:center;width:32px;height:32px;border:0;border-radius:8px;background:transparent;color:var(--muted);cursor:pointer}.row-actions button:hover{background:var(--surface-hover);color:var(--text)}.analysis-panel pre{max-height:440px;overflow:auto;border:1px solid var(--border);border-radius:8px;background:var(--surface-soft);padding:12px;white-space:pre-wrap}.analysis-panel h2{margin:0;font-size:18px}.modal-backdrop{position:fixed;inset:0;display:grid;place-items:center;background:#0000006b;padding:18px;z-index:60}.settings-modal{width:min(940px,100%);height:min(720px,calc(100vh - 36px));display:flex;flex-direction:column;overflow:hidden}.login-gate{position:relative;width:min(430px,100%);display:grid;justify-items:center;gap:14px;padding:32px 26px;text-align:center}.login-gate h2{margin:4px 0 0;font-size:26px;line-height:1.12}.login-gate p{margin:0;color:var(--muted);line-height:1.5}.login-close{position:absolute;top:10px;right:10px}.modal-header{display:flex;align-items:center;justify-content:space-between;min-height:56px;border-bottom:1px solid var(--border);padding:10px 14px}.settings-body{min-height:0;display:grid;grid-template-columns:230px minmax(0,1fr);flex:1}.settings-tabs{overflow-y:auto;border-right:1px solid var(--border);background:var(--sidebar);padding:8px}.settings-tabs button{width:100%;display:flex;align-items:center;gap:9px;min-height:38px;border:0;border-radius:8px;background:transparent;color:var(--muted);cursor:pointer;padding:8px 10px;text-align:left}.settings-tabs button:hover,.settings-tabs button.active{background:var(--surface-hover);color:var(--text)}.settings-content{min-width:0;overflow-y:auto;padding:18px}.settings-group{display:grid;gap:14px;max-width:620px}.settings-group h2{margin:0 0 2px;font-size:22px}.field-row,.toggle-row,.account-card{display:grid;grid-template-columns:minmax(0,1fr) minmax(180px,240px);align-items:center;gap:14px;border-bottom:1px solid var(--border);padding:10px 0}.toggle-row input{justify-self:end;width:44px;height:24px;accent-color:var(--accent)}.memory-form{display:grid;grid-template-columns:minmax(0,1fr) 42px;gap:8px}.memory-form button{display:grid;place-items:center;border:1px solid var(--border);border-radius:8px;background:var(--surface);cursor:pointer}.memory-list{display:grid;gap:8px}.memory-item{justify-content:space-between;gap:10px;border:1px solid var(--border);border-radius:8px;background:var(--surface-soft);padding:9px 10px}.memory-item span{min-width:0;overflow-wrap:anywhere}.memory-item button{display:grid;place-items:center;flex:0 0 auto;width:30px;height:30px;border:0;border-radius:8px;background:transparent;color:var(--subtle);cursor:pointer}.memory-item button:hover{background:var(--surface-hover);color:var(--danger)}.account-card{grid-template-columns:38px minmax(0,1fr);border:1px solid var(--border);border-radius:8px;padding:12px}.keyboard-line{justify-content:space-between;gap:12px;border-bottom:1px solid var(--border);padding:10px 0}kbd{border:1px solid var(--border);border-bottom-width:2px;border-radius:7px;background:var(--surface-soft);color:var(--text);padding:5px 8px;font-size:12px;font-weight:700}.about-block{display:grid;justify-items:start;gap:8px}.about-block h2,.about-block p{margin:0}.auth-screen{min-height:100vh;display:grid;place-items:center;background:var(--bg);color:var(--text);padding:24px;position:relative}.auth-panel{width:min(430px,100%);display:flex;flex-direction:column;align-items:center;gap:16px;padding:34px 28px;text-align:center}.auth-panel h1{margin:4px 0 0;font-size:36px;line-height:1.05}.auth-panel p{color:var(--muted);line-height:1.55;margin:0}.auth-panel code{width:100%;overflow-wrap:anywhere;border-radius:8px;background:var(--surface-soft);color:var(--muted);padding:10px;text-align:left}.google-button{width:100%;min-height:48px;display:flex;align-items:center;justify-content:center;gap:10px;border:1px solid var(--border);border-radius:999px;background:var(--text);color:var(--bg);cursor:pointer;font-weight:700;margin-top:4px}.google-button:hover{opacity:.9}.google-g{width:24px;height:24px;border-radius:999px;background:var(--bg);color:var(--text);font-weight:850}.auth-features{display:grid;gap:8px;width:100%;margin-top:4px;color:var(--muted);font-size:13px}.auth-features span{display:flex;align-items:center;justify-content:center;gap:8px}.auth-theme{position:fixed;top:18px;right:18px}.error-banner.compact{width:100%;margin:0;text-align:left}.hidden-input{position:fixed;inline-size:1px;block-size:1px;opacity:0;pointer-events:none}.spin{animation:spin .9s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}@media(max-width:920px){.shell{min-height:100dvh}.sidebar{position:fixed;inset:0 auto 0 0;height:100dvh;box-shadow:var(--shadow)}.sidebar.closed{margin-left:0;transform:translate(-100%)}.sidebar-scrim{display:block;position:fixed;inset:0;border:0;background:#00000061;z-index:20}.topbar{padding-inline:10px}.model-picker{max-width:190px;font-size:16px}.topbar .mode-chip span,.secure-note,.topbar-actions .icon-button:nth-child(n+2):nth-child(-n+4){display:none}.messages{padding-inline:12px}.messages.empty{align-items:flex-start;padding-top:74px}.prompt-grid,.two-column,.settings-body{grid-template-columns:1fr}.settings-tabs{display:flex;gap:6px;overflow-x:auto;border-right:0;border-bottom:1px solid var(--border)}.settings-tabs button{width:auto;flex:0 0 auto}.settings-tabs span{white-space:nowrap}.message{grid-template-columns:30px minmax(0,1fr);gap:10px}.avatar{width:29px;height:29px}.message.user .message-body{max-width:90%}.composer-wrap{width:calc(100% - 18px)}.composer-toolbar{align-items:flex-start;justify-content:flex-start}.panel-scroll{padding:18px 12px 110px}.section-header{display:grid}.library-row{grid-template-columns:1fr}.row-actions{justify-content:flex-end}.field-row,.toggle-row{grid-template-columns:1fr;gap:8px}.toggle-row input{justify-self:start}.settings-modal{height:calc(100dvh - 24px)}.auth-panel{padding:28px 20px}}@media(max-width:560px){.sidebar{width:min(292px,88vw)}.topbar-actions{gap:3px}.composer{grid-template-columns:34px minmax(0,1fr) 34px;gap:5px}.prompt-grid button{min-height:46px}.welcome{gap:18px}.welcome h1{font-size:28px}}