:root{--color-primary:#0369a1;--color-primary-strong:#075985;--color-secondary:#075985;--color-accent:#0369a1;--color-bg:#ffffff;--color-bg-base:#f3f6fa;--color-input-hover:#e2e8f0;--color-accent-soft:rgba(2,132,199,0.18);--color-accent-border:rgba(2,132,199,0.58);--color-border-strong:#c5d1df;--color-border-panel:#93c5fd;--color-header:rgba(255,255,255,0.82);--color-bg-canvas:#f8fafc;--color-bg-muted:#eef2f7;--color-text:#172033;--color-text-muted:#526173;--color-text-inverse:#ffffff;--color-border:#d9e2ec;--color-overlay:rgba(0,0,0,0.5);--color-success:#15803d;--color-warning:#a16207;--color-danger:#dc2626;--color-info:#2563eb;--font-family-base:"Geist","Inter",-apple-system,BlinkMacSystemFont,"Segoe UI","Hiragino Sans","Yu Gothic","Meiryo",sans-serif;--font-family-heading:var(--font-family-base);--font-family-mono:ui-monospace,"SFMono-Regular",Menlo,Monaco,Consolas,monospace;--font-size-control:0.8125rem;--font-size-xs:0.75rem;--font-size-sm:0.875rem;--font-size-base:1rem;--font-size-md:1.125rem;--font-size-lg:1.5rem;--font-size-xl:2rem;--font-size-2xl:2.75rem;--font-weight-normal:400;--font-weight-medium:500;--font-weight-bold:600;--line-height-tight:1.2;--line-height-base:1.6;--spacing-xs:4px;--spacing-sm:8px;--spacing-md:16px;--spacing-lg:24px;--spacing-xl:32px;--spacing-2xl:48px;--spacing-3xl:64px;--radius-sm:4px;--radius-md:4px;--radius-lg:8px;--radius-pill:999px;--shadow-sm:0 1px 2px rgba(15,23,42,0.08);--shadow-md:0 10px 28px -14px rgba(15,23,42,0.22);--shadow-focus:0 0 0 3px var(--color-accent-soft);--content-max-width:1120px;--content-padding:var(--spacing-md);--layout-width-form:720px;--layout-grid-gap:24px}.c-conversation-panel{--cp-bg:var(--panel,var(--color-bg));--cp-soft:var(--panel-subtle,var(--color-bg-muted));--cp-border:var(--border,var(--color-border));--cp-text:var(--text,var(--color-text));--cp-muted:var(--muted,var(--color-text-muted));--cp-primary:var(--primary,var(--color-primary));margin-block:var(--spacing-lg);padding:var(--spacing-lg);border:1px solid var(--cp-border);border-radius:var(--radius,var(--radius-md));color:var(--cp-text);background:var(--cp-bg);white-space:normal;font-size:var(--font-size-sm);line-height:1.6;overflow-wrap:anywhere}.c-conversation-panel h3,.c-conversation-panel h4{margin:0 0 12px;font-size:var(--font-size-base);font-weight:600}.c-conversation-panel p{margin:8px 0}.c-conversation-panel fieldset{border:0;padding:0;margin:var(--spacing-lg) 0;min-width:0}.c-conversation-panel legend{padding:0;font-weight:600;margin-bottom:10px}.c-conversation-panel__options{display:flex;flex-wrap:wrap;gap:8px}.c-conversation-panel__choice{display:flex;align-items:center;gap:8px;min-height:44px;padding:8px 12px;background:var(--cp-soft);border:1px solid var(--cp-border);border-radius:var(--radius,var(--radius-md));cursor:pointer}.c-conversation-panel__choice:has(input:checked){border-color:var(--color-accent-border);background:var(--color-accent-soft);color:var(--color-primary-strong)}.c-conversation-panel input[type=checkbox],.c-conversation-panel input[type=radio]{width:16px;height:16px;flex-shrink:0;margin:0;accent-color:var(--cp-primary)}.c-conversation-panel input:not([type=radio]):not([type=checkbox]),.c-conversation-panel select,.c-conversation-panel textarea{width:100%;padding:10px;border:1px solid var(--cp-border);border-radius:var(--radius,var(--radius-md));background:var(--cp-soft);color:var(--cp-text);font:inherit}.c-conversation-panel textarea{resize:vertical;min-height:80px}.c-conversation-panel button{min-height:40px;padding:8px 14px;background:var(--cp-soft);border:1px solid var(--cp-border);border-radius:var(--radius,var(--radius-md));color:var(--cp-text);font:inherit;cursor:pointer}.c-conversation-panel button:disabled{opacity:.5;cursor:default}.c-conversation-panel :focus-visible{outline:2px solid var(--cp-primary);outline-offset:2px}.c-conversation-panel .c-conversation-panel__primary{background:var(--cp-primary);color:var(--color-text-inverse);font-weight:600;border-color:var(--cp-primary)}.c-conversation-panel__actions{display:flex;flex-wrap:wrap;gap:var(--spacing-sm);margin-top:var(--spacing-lg)}.c-conversation-panel__history,.c-conversation-panel__note{color:var(--cp-muted)}.c-conversation-panel__history{border:0;border-bottom:1px solid var(--cp-border);padding:12px 0}.c-conversation-panel__history summary{cursor:pointer}.c-conversation-panel__record{padding-top:var(--spacing-md);color:var(--color-text)}.c-conversation-panel__record h4{margin:var(--spacing-md) 0 var(--spacing-sm)}.c-conversation-panel__record-text{white-space:pre-wrap;overflow-wrap:anywhere}.c-conversation-panel__record-choices{display:flex;flex-wrap:wrap;gap:var(--spacing-sm);padding:0;list-style:none}.c-conversation-panel__record-choices li{padding:var(--spacing-sm);border-radius:var(--radius-md);color:var(--color-text-muted);background:var(--color-bg-muted)}.c-conversation-panel__record-choices li[data-selected=true]{color:var(--color-text);background:var(--color-accent-soft);font-weight:600}.c-conversation-panel__settings-record{display:grid;grid-gap:var(--spacing-sm);gap:var(--spacing-sm)}.c-conversation-panel__settings-record>div{display:grid;grid-template-columns:minmax(80px,1fr) minmax(0,2fr);grid-gap:var(--spacing-sm);gap:var(--spacing-sm)}.c-conversation-panel__settings-record dt{color:var(--color-text-muted)}.c-conversation-panel__settings-record dd{margin:0;overflow-wrap:anywhere;white-space:pre-wrap}.c-conversation-panel__row{display:grid;grid-template-columns:34px 1fr;grid-gap:12px;gap:12px;padding:16px 0;border-top:1px solid var(--cp-border)}.c-conversation-panel__number{font-feature-settings:"tnum";font-variant-numeric:tabular-nums;color:var(--color-primary-strong);font-weight:600;padding-top:10px}.c-conversation-panel__page-fields{display:grid;grid-gap:10px;gap:10px;min-width:0}.c-conversation-panel__page-actions{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.c-conversation-panel__handle{cursor:-webkit-grab;cursor:grab;touch-action:auto}.c-conversation-panel__grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));grid-gap:14px;gap:14px}.c-conversation-panel__grid label{display:grid;grid-gap:6px;gap:6px}.c-conversation-panel__sources{display:grid;grid-gap:10px;gap:10px;padding:0;list-style:none}.c-conversation-panel__sources li{border-bottom:1px solid var(--cp-border);padding-bottom:10px}.c-conversation-panel label:not(.c-conversation-panel__choice){display:block}.c-conversation-panel label>input:not([type=checkbox]):not([type=radio]),.c-conversation-panel label>select,.c-conversation-panel label>textarea{display:block;margin-top:var(--spacing-sm)}.c-conversation-panel .visually-hidden+input,.c-conversation-panel .visually-hidden+textarea{margin-top:0}.c-conversation-panel label.c-conversation-panel__note{display:flex;align-items:center;gap:var(--spacing-sm);min-height:44px;width:-moz-fit-content;width:fit-content;cursor:pointer}.c-conversation-panel button:hover:not(:disabled),.c-conversation-panel__choice:hover:not(:has(:disabled)){background:var(--color-input-hover);border-color:var(--color-border-strong)}.c-conversation-panel__choice:has(input:checked):hover{background:var(--color-accent-soft);border-color:var(--cp-primary)}.c-conversation-panel .c-conversation-panel__primary:hover:not(:disabled){background:var(--color-primary-strong);border-color:var(--color-primary-strong)}.c-conversation-panel :is(input,textarea,select):hover:not(:disabled){border-color:var(--color-border-strong)}.c-conversation-panel :is(input,textarea,select):focus-visible{border-color:var(--cp-primary)}.c-conversation-panel :is(input,textarea)::placeholder{color:var(--cp-muted);opacity:1}.c-conversation-panel :is(button,input,textarea,select,.c-conversation-panel__choice){transition:background-color .15s ease,border-color .15s ease,color .15s ease}.c-conversation-panel :is(input,textarea,select):disabled{opacity:.6;cursor:not-allowed}.c-conversation-panel__choice:has(:disabled){opacity:.6;cursor:not-allowed}.c-conversation-panel textarea{font-size:var(--font-size-base)}.c-conversation-panel__page-fields>label:first-child input{font-weight:600}.c-conversation-panel__page-actions button{min-width:40px}.c-conversation-panel__handle{padding:var(--spacing-sm);color:var(--cp-muted)}.c-conversation-panel summary{min-height:40px;padding-block:var(--spacing-sm);cursor:pointer}.c-conversation-panel details{margin-top:var(--spacing-md)}.c-conversation-panel__history{background:transparent}.c-conversation-panel__history[open]{padding-bottom:var(--spacing-md)}.c-conversation-panel h4{margin-top:var(--spacing-lg);font-size:var(--font-size-sm)}.c-conversation-panel ul:not(.c-conversation-panel__sources){padding-left:var(--spacing-lg)}.c-conversation-panel [role=alert]{color:var(--color-danger);border-left:3px solid var(--color-danger);padding:var(--spacing-sm) var(--spacing-md)}.c-conversation-panel [role=status]:not(:empty){color:var(--color-primary-strong)}.c-reference-panel>label{margin-block:var(--spacing-md)}.c-reference-panel>.c-conversation-panel__actions{align-items:end}.c-reference-panel>.c-conversation-panel__actions>label{flex:1 1 180px}.c-reference-panel hr{border:0;border-top:1px solid var(--cp-border);margin-block:var(--spacing-lg)}.c-reference-panel input[type=file]{font-size:var(--font-size-sm)}.c-reference-panel input::-webkit-file-upload-button{padding:var(--spacing-sm);margin-right:var(--spacing-sm);background:var(--cp-bg);border:1px solid var(--cp-border);border-radius:var(--radius-md);color:var(--cp-text);cursor:pointer}.c-reference-panel input::file-selector-button{padding:var(--spacing-sm);margin-right:var(--spacing-sm);background:var(--cp-bg);border:1px solid var(--cp-border);border-radius:var(--radius-md);color:var(--cp-text);cursor:pointer}@media (prefers-reduced-motion:reduce){.c-conversation-panel :is(button,input,textarea,select,.c-conversation-panel__choice){transition:none}}@media (max-width:640px){.c-conversation-panel input:not([type=radio]):not([type=checkbox]),.c-conversation-panel select{font-size:var(--font-size-base)}.c-conversation-panel__actions>button{flex:1 1 auto}.c-conversation-panel button{min-height:44px}.c-conversation-panel{padding:16px}.c-conversation-panel__grid{grid-template-columns:1fr}.c-conversation-panel__row{grid-template-columns:26px 1fr;gap:8px}}.c-reference-conversation{margin-block:var(--spacing-lg);padding:var(--spacing-md) var(--spacing-lg);border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-bg);white-space:normal;font-size:var(--font-size-sm);line-height:1.6}.c-reference-conversation>summary{cursor:pointer;min-height:44px;align-content:center;color:var(--color-primary-strong);font-weight:600}.c-reference-conversation>p{color:var(--color-text-muted)}.c-reference-conversation>.c-reference-panel{margin:var(--spacing-md) 0 0;padding:0;border:0;border-radius:0}@media (max-width:640px){.c-reference-conversation{padding:var(--spacing-md)}}.c-generation-placeholder,.c-generation-status{color:var(--color-text-muted);font-size:var(--font-size-sm)}.c-generation-placeholder{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:var(--spacing-sm);min-height:160px;border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-bg-muted)}.c-generation-spinner{width:24px;height:24px;border:2px solid var(--color-border-strong);border-top-color:var(--color-primary);border-radius:50%;animation:generation-spin 1s linear infinite}.c-generation-prompts{margin-top:var(--spacing-md);font-size:var(--font-size-sm)}.c-generation-prompts summary{cursor:pointer;padding:var(--spacing-sm) 0}.c-generation-prompts pre{max-height:320px;overflow:auto;padding:var(--spacing-md);white-space:pre-wrap;overflow-wrap:anywhere;background:var(--color-bg-muted);font:inherit}@keyframes generation-spin{to{transform:rotate(1turn)}}@media (prefers-reduced-motion:reduce){.c-generation-spinner{animation:none}}.c-settings-lane{min-width:0;color:var(--color-text);background:var(--color-bg);border-right:1px solid var(--color-border);font-size:var(--font-size-sm)}.c-settings-lane__head{display:flex;align-items:center;justify-content:space-between;padding:var(--spacing-md);border-bottom:1px solid var(--color-border)}.c-settings-lane__head h2{margin:0;font-size:var(--font-size-md)}.c-settings-lane__body{min-height:0;overflow-y:auto;padding:var(--spacing-md)}.c-settings-lane__group{margin:0 0 var(--spacing-lg);padding:0;border:0;min-width:0}.c-settings-lane__group legend{padding:0;margin-bottom:var(--spacing-md);font-weight:var(--font-weight-bold)}.c-settings-lane label{display:grid;grid-gap:var(--spacing-sm);gap:var(--spacing-sm);margin-bottom:var(--spacing-md)}.c-settings-lane input,.c-settings-lane select,.c-settings-lane textarea{width:100%;min-width:0;min-height:40px;padding:var(--spacing-sm);border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-bg-muted);color:var(--color-text);font:inherit}.c-settings-lane textarea{min-height:80px;resize:vertical}.c-settings-lane :is(select,input,textarea):hover{background:var(--color-input-hover)}.c-settings-lane :focus-visible{outline:2px solid var(--color-primary);outline-offset:2px}.c-settings-lane :disabled{opacity:.55;cursor:not-allowed}.c-settings-lane__note{margin:0 0 var(--spacing-md);color:var(--color-text-muted);font-size:var(--font-size-control)}.c-settings-lane summary{cursor:pointer;padding:var(--spacing-sm) 0}.c-settings-lane details{margin-bottom:var(--spacing-md)}.c-settings-lane__save{width:100%;min-height:44px;padding:var(--spacing-sm);color:var(--color-text-inverse);background:var(--color-primary);border:1px solid var(--color-primary);border-radius:var(--radius-md);font:inherit;cursor:pointer}.c-settings-lane__save:hover{background:var(--color-primary-strong)}.c-settings-section{min-width:0;border-bottom:1px solid var(--color-border)}.c-settings-section>summary{cursor:pointer;padding:var(--spacing-md) 0;color:var(--color-text);font-weight:var(--font-weight-bold)}.c-settings-section__content{padding-bottom:var(--spacing-md)}.c-settings-lane details.c-settings-section{margin:0}.c-settings-lane .c-settings-section>summary{padding:var(--spacing-md) 0}.c-conversation-panel .c-setting-field,.c-setting-field{border:0;min-width:0;margin:0 0 var(--spacing-md);padding:0}.c-setting-field legend{margin-bottom:var(--spacing-sm);padding:0;font-size:var(--font-size-sm);font-weight:500}.c-setting-choices{display:grid;grid-template-columns:repeat(auto-fit,minmax(72px,1fr));grid-gap:var(--spacing-sm);gap:var(--spacing-sm)}.c-setting-choices label.c-setting-choice{position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:var(--spacing-sm);min-height:44px;margin:0;padding:var(--spacing-sm);border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-bg);cursor:pointer;text-align:center;font-size:var(--font-size-control);overflow-wrap:anywhere}.c-setting-choice input[type=radio]{position:absolute;opacity:0;width:1px;height:1px;min-height:0;padding:0;margin:0}.c-setting-choices label.c-setting-choice:has(input:checked){color:var(--color-text-inverse);background:var(--color-primary-strong);border-color:var(--color-primary-strong)}.c-setting-choice:focus-within{outline:2px solid var(--color-primary);outline-offset:2px}.c-setting-choice:hover:not(:has(input:disabled)){background:var(--color-input-hover)}.c-setting-choice:has(input:disabled){cursor:default;opacity:.6}.c-setting-preview{width:100%;height:42px;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:4px;color:var(--color-text-muted)}.c-setting-preview i{display:block;width:70%;height:3px;background:currentColor;opacity:.5}.c-setting-preview--landscape i:first-child,.c-setting-preview--portrait i:first-child{width:42px;height:28px;background:var(--color-bg);border:1px solid;opacity:1}.c-setting-preview--portrait i:first-child{width:24px;height:36px}.c-setting-preview--wide i:first-child{width:48px;height:27px}.c-setting-preview--tall i:first-child{width:22.5px;height:40px}.c-setting-choice:has(input:checked) .c-setting-preview{color:var(--color-text-inverse)}.c-setting-preview--density-0 i:last-child,.c-setting-preview--landscape i:not(:first-child),.c-setting-preview--portrait i:not(:first-child){display:none}.c-setting-preview--density-2{gap:6px}.c-setting-preview--density-2 i{box-shadow:0 4px 0 currentColor}.c-setting-preview--balance-0 i:first-child{width:60%;height:22px;background:var(--color-primary)}.c-setting-preview--balance-1 i:first-child{width:45%;height:14px;background:var(--color-primary)}.c-setting-preview--design-0 i{width:40%}.c-setting-preview--design-1{align-items:flex-start;padding-left:8px}.c-setting-preview--design-1 i:first-child{width:40%;background:var(--color-primary);opacity:1}.c-setting-preview--design-2{background:var(--color-bg-muted);border-top:4px solid var(--color-primary-strong)}.c-setting-preview--design-3{background:var(--color-accent-soft);border-radius:var(--radius-lg)}.c-setting-preview--design-3 i:first-child{width:16px;height:16px;border-radius:50%;background:var(--color-primary)}.c-design-settings label>select,.c-design-settings label>textarea{width:100%}.c-settings-lane__footer{position:-webkit-sticky;position:sticky;bottom:calc(-1 * var(--spacing-md));padding:var(--spacing-md) 0;margin-top:var(--spacing-md);background:var(--color-bg)}@media (max-width:640px){.c-settings-lane :is(select,input,textarea){font-size:16px;min-height:44px}}.shell--workspace{height:100dvh;min-height:0;overflow:hidden;grid-template-rows:auto minmax(0,1fr)}.shell--workspace .topbar{height:auto;min-height:56px;flex-wrap:wrap;padding:var(--spacing-sm) var(--spacing-md)}.shell--workspace .brand{white-space:nowrap}.topbar__identity{display:flex;align-items:center;gap:var(--spacing-md);min-width:0}.workspace-lane-controls{display:flex;flex-shrink:0;gap:var(--spacing-sm)}.workspace-lane-controls button{display:grid;place-items:center;width:36px;height:36px;padding:0;color:var(--color-text);background:var(--color-bg);border:0;border-radius:var(--radius-md);cursor:pointer;font:inherit}.workspace-lane-controls button[aria-expanded=true]{color:var(--color-text);background:var(--color-bg-muted)}.workspace-lane-controls button:hover{background:var(--color-input-hover)}.c-lane-divider:focus-visible,.workspace-lane-controls button:focus-visible{outline:2px solid var(--color-primary);outline-offset:-2px}.shell--workspace .nav{flex-wrap:wrap}.shell--workspace .slide-tool{min-height:0;height:100%;display:grid;grid-template-columns:var(--history-width,240px) var(--history-divider,8px) var(--settings-width,280px) var(--settings-divider,8px) minmax(360px,1fr);overflow:hidden}.shell--workspace .session-sidebar{grid-column:1;grid-row:1;position:static;height:100%;min-height:0;min-width:0;display:grid;grid-template-rows:auto minmax(0,1fr) auto;padding:var(--spacing-md) var(--spacing-sm);border:0;visibility:visible;transform:none}.shell--workspace .session-sidebar__body{min-height:0;overflow:auto}.shell--workspace .session-sidebar__new{margin-bottom:var(--spacing-md)}.c-lane-divider[hidden],.shell--workspace .session-sidebar[hidden],.shell--workspace .slide-tool>.c-settings-lane[hidden]{display:none}.shell--workspace .slide-tool>.c-settings-lane{grid-column:3;grid-row:1;position:static;inset:auto;height:100%;width:auto;min-height:0;display:grid;grid-template-rows:minmax(0,1fr);border:0;visibility:visible;transform:none}.shell--workspace .c-settings-lane__body{padding:var(--spacing-md) var(--spacing-sm)}.c-lane-divider{grid-row:1;align-self:stretch;border:0;padding:0;background:transparent;position:relative;cursor:col-resize;touch-action:none;z-index:36}.c-lane-divider:after{content:"";position:absolute;top:0;bottom:0;left:3px;width:1px;background:var(--color-border)}.c-lane-divider:focus-visible:after,.c-lane-divider:hover:after,.c-lane-divider[data-dragging=true]:after{width:2px;background:var(--color-primary)}.c-lane-divider--history{grid-column:2}.c-lane-divider--settings{grid-column:4}.shell--workspace .conversation{grid-column:5;grid-row:1;min-height:0;min-width:0;height:100%;display:grid;grid-template-rows:minmax(0,1fr) auto;overflow:hidden}.shell--workspace .conversation__scroll{min-height:0;width:100%;padding:var(--spacing-lg) var(--spacing-md);overflow:auto;overscroll-behavior:contain;margin:0}.shell--workspace .conversation__scroll>*{width:min(900px,100%);margin-left:auto;margin-right:auto}.shell--workspace .slide-tool:not(.slide-tool--active) .conversation__scroll{display:grid;align-items:center;padding:var(--spacing-lg) var(--spacing-md)}.shell--workspace .intro{transform:none}.shell--workspace .intro h1{font-size:clamp(24px,2.8vw,40px);line-height:1.4}.shell--workspace .prompt-row{grid-template-columns:1fr;max-width:520px}.shell--workspace .conversation .composer-shell{position:static;left:auto;bottom:auto;transform:none;width:min(792px,100%);margin:0 auto;padding:var(--spacing-sm) var(--spacing-md) max(var(--spacing-md),env(safe-area-inset-bottom));transition:none}.shell--workspace .message--user{scroll-margin-top:var(--spacing-md)}.shell--workspace .slide-tool--active .messages{padding-top:0}.shell--workspace :is(.conversation__scroll,.session-sidebar__body,.c-settings-lane__body,textarea){scrollbar-width:thin;scrollbar-color:var(--color-border-strong) transparent}.shell--workspace :is(.conversation__scroll,.session-sidebar__body,.c-settings-lane__body,textarea)::-webkit-scrollbar{width:6px;height:6px}.shell--workspace :is(.conversation__scroll,.session-sidebar__body,.c-settings-lane__body,textarea)::-webkit-scrollbar-thumb{background:var(--color-border-strong);border-radius:var(--radius-pill)}.shell--workspace :is(.conversation__scroll,.session-sidebar__body,.c-settings-lane__body,textarea)::-webkit-scrollbar-thumb:hover{background:var(--color-text-muted)}.shell--workspace .workspace-drawer-close{display:none}@media (max-width:1199px){.shell--workspace .slide-tool{grid-template-columns:minmax(0,1fr)}.shell--workspace .conversation{grid-column:1}.shell--workspace .c-lane-divider{display:none}.shell--workspace .session-sidebar,.shell--workspace .slide-tool>.c-settings-lane{position:fixed;inset:0 auto 0 0;width:min(360px,calc(100% - 32px));height:100dvh;z-index:70;grid-template-rows:auto minmax(0,1fr) auto;background:var(--color-bg);pointer-events:auto;box-shadow:var(--shadow-md)}.shell--workspace .slide-tool>.c-settings-lane{inset:0 0 0 auto;grid-template-rows:auto minmax(0,1fr)}.shell--workspace .session-sidebar{grid-template-rows:auto auto minmax(0,1fr) auto}.shell--workspace .workspace-drawer-close{display:grid;place-items:center;justify-self:end;width:44px;height:44px;margin:var(--spacing-sm);border:1px solid var(--color-border);background:var(--color-bg-muted);border-radius:var(--radius-md);color:var(--color-text);cursor:pointer}.workspace-drawer-backdrop{position:fixed;inset:0;background:var(--color-overlay);z-index:65}}@media (max-width:640px){.shell--workspace .topbar{flex-direction:row;align-items:center}.shell--workspace .nav{width:100%;gap:var(--spacing-sm);font-size:var(--font-size-xs)}.shell--workspace .nav>span{max-width:45%;overflow:hidden;text-overflow:ellipsis}.workspace-lane-controls{gap:var(--spacing-xs)}.workspace-lane-controls button{width:44px;height:44px}.shell--workspace .conversation__scroll{padding:var(--spacing-md) var(--spacing-sm)}.shell--workspace .conversation .composer-shell{padding-left:var(--spacing-sm);padding-right:var(--spacing-sm)}}:root{--bg:var(--color-bg-base);--bg-soft:var(--color-bg-canvas);--panel:var(--color-bg);--panel-subtle:var(--color-bg-muted);--panel-user:var(--color-bg-muted);--border:var(--color-border);--border-strong:var(--color-border-strong);--text:var(--color-text);--muted:var(--color-text-muted);--muted-soft:var(--color-text-muted);--primary:var(--color-primary);--primary-active:var(--color-primary-strong);--link:var(--color-primary-strong);--danger:var(--color-danger);--success:var(--color-success);--warning:var(--color-warning);--preview:var(--color-info);--radius:var(--radius-md);--shadow:var(--shadow-md);--font-base:var(--font-family-base);--font-mono:var(--font-family-mono)}*{box-sizing:border-box}body,html{min-height:100%}body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font-base);letter-spacing:0;font-size:var(--font-size-sm);line-height:1.5}a{color:inherit}button,input,select,textarea{font:inherit}img{max-width:100%}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.shell{min-height:100vh;display:grid;grid-template-rows:auto 1fr}.topbar{height:56px;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:0 20px;background:var(--color-header);border-bottom:1px solid var(--border);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);position:-webkit-sticky;position:sticky;top:0;z-index:40}.brand{color:var(--text);font-size:14px;font-weight:600;text-decoration:none}.nav{display:flex;align-items:center;gap:12px;color:var(--muted);font-size:13px}.nav a{color:var(--text);text-decoration:none}.nav a:hover{color:var(--link)}.slide-tool{min-height:calc(100vh - 56px);display:grid;grid-template-columns:272px minmax(0,1fr);position:relative;background:var(--bg)}.session-sidebar{position:-webkit-sticky;position:sticky;top:56px;z-index:35;height:calc(100vh - 56px);display:grid;grid-template-rows:auto auto minmax(0,1fr) auto;padding:20px 14px 14px;border-right:1px solid var(--border);background:var(--bg-soft);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px)}.session-sidebar__head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:0 4px 16px}.session-sidebar__head h2{margin:2px 0 0;font-size:17px}.session-sidebar__eyebrow{margin:0;color:var(--muted-soft);font-size:11px;font-family:var(--font-mono);letter-spacing:.08em;text-transform:uppercase}.session-sidebar .session-sidebar__close,.session-sidebar-backdrop,.session-sidebar-toggle{display:none}.session-sidebar__new{width:100%;min-height:42px;display:flex;align-items:center;justify-content:center;gap:7px;padding:9px 12px;border:1px solid var(--border-strong);border-radius:var(--radius);background:var(--panel);color:var(--text);cursor:pointer;font-size:13px;font-weight:600}.session-sidebar__new:hover{background:var(--panel-subtle)}.session-sidebar-toggle:disabled,.session-sidebar__item:disabled,.session-sidebar__new:disabled{opacity:.55;cursor:not-allowed}.session-sidebar__body{min-height:0;overflow-y:auto;margin-top:14px}.session-sidebar__list{display:grid;grid-gap:4px;gap:4px}.session-sidebar__item{width:100%;display:grid;grid-gap:5px;gap:5px;padding:10px;border:1px solid transparent;border-radius:var(--radius);background:transparent;color:var(--text);cursor:pointer;text-align:left}.session-sidebar__item:hover{background:var(--panel)}.session-sidebar__item--active{border-color:var(--border);background:var(--color-accent-soft)}.session-sidebar__title{overflow:hidden;font-size:13px;font-weight:600;line-height:1.45;text-overflow:ellipsis;white-space:nowrap}.session-sidebar__empty,.session-sidebar__item time,.session-sidebar__retention{color:var(--muted-soft);font-size:11px;line-height:1.5}.session-sidebar__empty,.session-sidebar__error{margin:10px}.session-sidebar__error{color:var(--danger);font-size:12px;line-height:1.5}.session-sidebar__retention{margin:12px 4px 0}.conversation{grid-column:2;min-width:0;min-height:calc(100vh - 56px)}.conversation__scroll{width:min(900px,calc(100% - 32px));min-height:calc(100vh - 56px);margin:0 auto;padding:34px 0 calc(288px + env(safe-area-inset-bottom))}.slide-tool:not(.slide-tool--active) .conversation__scroll{display:grid;align-items:center;justify-items:center;padding-top:0;padding-bottom:260px}.intro{width:100%;text-align:center;transform:translateY(-42px)}.intro__eyebrow{margin:0 0 10px;color:var(--muted);font-size:12px;font-family:var(--font-mono)}.intro h1{margin:0;font-size:44px;font-weight:600;line-height:1.1}.prompt-row{width:min(720px,100%);margin:28px auto 0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));grid-gap:10px;gap:10px}.prompt-chip{min-height:42px;padding:10px 12px;border:1px solid var(--border);border-radius:var(--radius);background:var(--panel-subtle);color:var(--text);cursor:pointer}.prompt-chip:hover{border-color:var(--border-strong);background:var(--panel)}.prompt-chip:disabled{opacity:.55;cursor:not-allowed}.messages{display:grid;grid-gap:16px;gap:16px}.message{width:-moz-fit-content;width:fit-content;max-width:min(760px,100%);padding:14px 16px;border-radius:var(--radius);border:1px solid transparent;white-space:pre-wrap;line-height:1.6;font-size:var(--font-size-base)}.message--assistant{width:100%;max-width:100%;padding:2px 0;background:transparent;box-shadow:none}.message--assistant,.message--user{border-color:transparent;color:var(--text)}.message--user{margin-left:auto;background:var(--panel-user);scroll-margin-top:72px}.message--thinking{color:var(--muted)}.message--error{color:var(--danger)}.message__debug{margin-top:8px;color:var(--muted-soft);font-size:12px;line-height:1.45}.assistant-heading{display:block;margin:12px 0 2px;color:var(--text);font-size:16px;font-weight:600;line-height:1.45}.assistant-link{color:var(--link);overflow-wrap:anywhere;text-decoration:none}.assistant-link:hover{text-decoration:underline}.thinking-glyph{display:inline-grid;width:1.45em;margin-left:8px;place-items:center;color:var(--primary);font-size:1.42em;font-weight:600;line-height:1;vertical-align:middle;transform:translateY(-2px)}.thinking-glyph:before{content:"✶";animation:thinking-glyph-cycle .8s step-end infinite}@keyframes thinking-glyph-cycle{0%,24.99%{content:"✶"}25%,49.99%{content:"✸"}50%,74.99%{content:"✺"}75%,to{content:"✹"}}@media (prefers-reduced-motion:reduce){.thinking-glyph:before{animation:none;content:"✶"}}.composer-shell{position:fixed;left:calc(50% + 136px);bottom:max(32px,calc(50vh - 130px));z-index:30;width:min(760px,calc(100% - 304px));transform:translateX(-50%);transition:bottom .22s ease}.slide-tool--active .composer-shell{bottom:24px}.composer-card{display:grid;grid-template-columns:1fr auto;align-items:end;grid-gap:8px;gap:8px;padding:10px 10px 10px 14px;border:1px solid var(--border);border-radius:var(--radius);background:var(--panel);box-shadow:var(--shadow)}.composer-input{min-width:0;display:grid;grid-gap:2px;gap:2px}.composer-card textarea{width:100%;font-size:var(--font-size-base);min-height:60px;max-height:180px;padding:12px 4px;border:0;resize:none;overflow-y:hidden;background:transparent;color:var(--text);line-height:1.6}.composer-card textarea:disabled{color:var(--muted);cursor:not-allowed}.composer-hint{margin:-4px 0 0;color:var(--muted-soft);font-size:12px;line-height:1.4}.composer-actions{display:flex;justify-content:flex-end;align-items:flex-end}.send-button{width:38px;height:38px;display:inline-grid;place-items:center;border:0;border-radius:999px;background:var(--primary);color:#fff;cursor:pointer;font-size:20px;line-height:1}.send-button:hover{background:var(--primary-active)}.send-button:disabled{opacity:.55;cursor:not-allowed}.settings-toggle{position:fixed;top:72px;right:22px;z-index:42;min-height:40px;padding:var(--spacing-sm) var(--spacing-md);border:1px solid var(--border);border-radius:var(--radius);background:var(--panel);color:var(--text);cursor:pointer}.settings-toggle:hover{background:var(--panel-subtle)}.settings-backdrop{position:fixed;inset:0;z-index:65;background:var(--color-overlay)}.slide-tool>.c-settings-lane{position:fixed;inset:0 0 0 auto;z-index:70;width:min(320px,calc(100% - 32px));display:grid;grid-template-rows:auto minmax(0,1fr);visibility:hidden;transform:translateX(100%);transition:transform .2s ease}.slide-tool>.c-settings-lane--open{visibility:visible;transform:translateX(0)}@media (min-width:1200px){.slide-tool{grid-template-columns:240px 280px minmax(0,1fr)}.slide-tool>.c-settings-lane{position:-webkit-sticky;position:sticky;top:56px;grid-column:2;grid-row:1;width:auto;height:calc(100dvh - 56px);z-index:35;visibility:visible;transform:none}.c-settings-lane .c-settings-lane__close,.settings-toggle{display:none}.conversation{grid-column:3;grid-row:1}.composer-shell{left:calc(50% + 260px);width:min(760px,calc(100% - 552px))}.intro h1{font-size:clamp(28px,2.8vw,44px)}.prompt-row{grid-template-columns:1fr;max-width:520px}}@media (prefers-reduced-motion:reduce){.slide-tool>.c-settings-lane{transition:none}}.field{display:grid;grid-gap:7px;gap:7px;margin-bottom:14px}.field span{color:var(--muted);font-size:13px;font-weight:600}.field input,.field select,.field textarea{width:100%;border:1px solid var(--border);border-radius:var(--radius);padding:10px 11px;background:var(--panel-subtle);color:var(--text)}.field textarea{min-height:78px;resize:vertical}.composer-card:focus-within,.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--primary);box-shadow:var(--shadow-focus)}.button{min-height:38px;border:1px solid var(--border);background:var(--panel);border-radius:var(--radius);padding:8px 12px;font-size:var(--font-size-control);color:var(--text);cursor:pointer;text-decoration:none;display:inline-flex;align-items:center;justify-content:center;gap:7px}.button:hover{background:var(--panel-subtle);text-decoration:none}.button--primary{border-color:var(--primary);background:var(--primary);color:#fff}.button--primary:hover{background:var(--primary-active)}.button--lg{width:100%;min-height:52px;padding:11px 16px;font-size:var(--font-size-sm);font-weight:600}.button:disabled{opacity:.55;cursor:not-allowed}.icon-button{width:34px;height:34px;display:inline-grid;place-items:center;border:0;border-radius:var(--radius);background:transparent;color:var(--muted);cursor:pointer}.icon-button:hover{background:var(--panel-subtle);color:var(--text)}.draft-message{display:grid;grid-gap:12px;gap:12px;white-space:normal}.draft-message__content,.draft-message__intro,.draft-message__outro{white-space:pre-wrap}.draft-message__body{display:grid;grid-gap:10px;gap:10px;padding:14px;background:var(--panel-subtle)}.draft-message__body,.draft-message__toolbar{border:1px solid var(--border);border-radius:var(--radius)}.draft-message__toolbar{display:inline-flex;justify-self:end;gap:4px;padding:2px;background:var(--panel)}.draft-action-button{width:32px;height:32px;color:var(--text);font-size:15px}.draft-message__feedback{justify-self:end;margin:-2px 0 0;color:var(--muted);font-size:12px;line-height:1.4}.draft-editor{display:grid;grid-gap:10px;gap:10px}.draft-editor__textarea{width:100%;min-height:260px;padding:14px;border:1px solid var(--border);border-radius:var(--radius);background:var(--panel);color:var(--text);line-height:1.65;resize:vertical}.draft-editor__textarea:focus{border-color:var(--primary);box-shadow:var(--shadow-focus)}.draft-editor__actions{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:8px}.job-workspace{margin-top:26px;padding:20px;border:1px solid var(--border);border-radius:var(--radius);background:var(--panel)}.job-workspace__head{display:grid;grid-gap:6px;gap:6px;margin-bottom:16px}.job-workspace__head h2{margin:0;font-size:20px}.job-workspace__latest-event{margin:0;overflow:hidden;color:var(--muted);font-size:13px;line-height:1.5;text-overflow:ellipsis;white-space:nowrap}.job-actions{display:grid;grid-gap:8px;gap:8px;margin:0}.messages>.job-actions{margin-top:2px}.job-actions--bottom{margin-top:18px}.badge,.status-pill{display:inline-flex;align-items:center;min-height:24px;padding:3px 9px;border-radius:999px;background:var(--panel-subtle);color:var(--muted);font-size:12px}.status-pill--awaiting_approval{background:var(--color-accent-soft);color:var(--preview)}.status-pill--converting,.status-pill--preview_generating{background:var(--color-accent-soft);color:var(--link)}.status-pill--completed{background:rgba(21,128,61,.1);color:var(--success)}.status-pill--failed{background:rgba(180,35,24,.1);color:var(--danger)}.artifact-section{margin-top:18px}.artifact-section h3{margin:0 0 10px;font-size:15px}.artifact-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));grid-gap:12px;gap:12px}.artifact-tile{width:100%;display:block;padding:0;overflow:hidden;border:1px solid var(--border);border-radius:var(--radius);background:var(--panel-subtle);color:inherit;cursor:pointer;aspect-ratio:16/9}.artifact-tile:hover{border-color:var(--border-strong)}.artifact-tile:focus-visible{outline:2px solid var(--primary);outline-offset:2px}.artifact,.artifact-tile img{display:block;width:100%;height:100%;border:0;object-fit:contain}.artifact-skeleton{position:relative;overflow:hidden;aspect-ratio:16/9;border:1px solid var(--border);border-radius:var(--radius);background:var(--panel-subtle)}.artifact-skeleton:after{content:"";position:absolute;inset:0;transform:translateX(-100%);background:linear-gradient(90deg,transparent,rgba(255,255,255,.72),transparent);animation:artifact-shimmer 1.35s ease-in-out infinite}@keyframes artifact-shimmer{to{transform:translateX(100%)}}.lightbox-backdrop{position:fixed;inset:0;z-index:90;display:grid;place-items:center;padding:16px;background:rgba(23,23,23,.72)}.lightbox{position:relative;width:min(1120px,calc(100vw - 32px));height:min(760px,calc(100dvh - 32px));display:grid;grid-template-rows:auto minmax(0,1fr);overflow:hidden;border:1px solid var(--border);border-radius:var(--radius);background:var(--panel);border-radius:var(--radius-lg);box-shadow:var(--shadow)}.lightbox__bar{min-height:52px;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:8px 10px 8px 16px;border-bottom:1px solid var(--border)}.lightbox__title{min-width:0;margin:0;overflow:hidden;color:var(--text);font-size:14px;font-weight:600;text-overflow:ellipsis;white-space:nowrap}.lightbox__controls{display:inline-flex;align-items:center;gap:4px}.lightbox__zoom{min-width:48px;color:var(--muted);font-size:12px;font-family:var(--font-mono);text-align:center}.lightbox__stage{min-height:0;min-width:0;grid-template-columns:minmax(0,1fr);grid-template-rows:minmax(0,1fr);display:grid;place-items:center;overflow:hidden;padding:24px 64px;background:var(--bg-soft);-webkit-user-select:none;-moz-user-select:none;user-select:none}.lightbox__stage--pannable{cursor:-webkit-grab;cursor:grab;touch-action:none}.lightbox__stage--dragging{cursor:-webkit-grabbing;cursor:grabbing}.lightbox__image{display:block;width:100%;height:100%;min-width:0;min-height:0;object-fit:contain;transform-origin:center;transition:transform .12s ease}.lightbox__stage--dragging .lightbox__image{transition:none}.lightbox__nav{position:absolute;top:50%;z-index:1;width:42px;height:56px;display:inline-grid;place-items:center;transform:translateY(-50%);border:1px solid var(--border);border-radius:var(--radius);background:var(--color-header);color:var(--text);cursor:pointer;font-size:32px;line-height:1}.lightbox__nav:hover{border-color:var(--border-strong);background:var(--panel)}.lightbox__nav--prev{left:12px}.lightbox__nav--next{right:12px}@media (prefers-reduced-motion:reduce){.artifact-skeleton:after,.lightbox__image{animation:none;transition:none}}.layout{display:grid;grid-template-columns:minmax(0,1fr) 330px;grid-gap:16px;gap:16px;padding:16px}.panel{min-width:0;border:1px solid var(--border);border-radius:var(--radius);background:var(--panel)}.panel__head{padding:16px;border-bottom:1px solid var(--border)}.panel__head h1,.panel__head h2{margin:0}.panel__body{padding:16px}.grid{display:grid;grid-gap:16px;gap:16px}.grid--cards{grid-template-columns:repeat(auto-fill,minmax(260px,1fr))}.card{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:16px}.history-list{display:grid;grid-gap:12px;gap:12px}.history-item{display:grid;grid-template-columns:168px minmax(0,1fr) auto;grid-gap:16px;gap:16px;align-items:center;padding:14px;border:1px solid var(--border);border-radius:var(--radius);color:inherit;text-decoration:none}.history-item:hover{border-color:var(--border-strong);background:var(--bg-soft);text-decoration:none}.history-thumb{aspect-ratio:16/9;overflow:hidden;border:1px solid var(--border);border-radius:var(--radius);background:var(--panel-subtle)}.history-thumb img{width:100%;height:100%;object-fit:cover}.history-thumb__placeholder{height:100%;display:grid;place-items:center;color:var(--muted);font-size:12px}.history-main h2{margin:8px 0;font-size:17px}.history-actions{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:8px}.muted{color:var(--muted)}.error-text{color:var(--danger)}.p-login{min-height:100vh;display:grid;place-items:center;padding:clamp(24px,6vw,56px);background:var(--bg-soft);color:var(--text)}.p-login__panel{width:min(100%,440px);padding:40px 36px 34px;border:1px solid var(--border);border-radius:var(--radius);background:#fff;box-shadow:var(--shadow-sm)}.p-login__brand{display:flex;justify-content:center;margin:0 0 14px}.p-login__logo{display:block;width:min(42%,150px);height:auto}.p-login__note{margin:0 0 26px;color:var(--muted);font-size:14px;line-height:1.7;text-align:center}.p-login__actions{display:grid;grid-gap:12px;gap:12px}.p-login__google{width:100%;min-height:46px;gap:10px;border-color:var(--primary);background:var(--primary);color:#fff}.p-login__google:hover{border-color:var(--primary-active);background:var(--primary-active)}.p-login__google-mark{width:22px;height:22px;display:inline-grid;place-items:center;border-radius:50%;background:#fff;color:var(--text);font-weight:700;line-height:1}.p-login__meta{margin:14px 0 0;color:var(--muted);font-size:12px;line-height:1.6;text-align:center}@media (max-width:900px){.history-item,.layout{grid-template-columns:1fr}.history-actions{justify-content:flex-start}}@media (max-width:959px){.slide-tool{display:block}.conversation{grid-column:auto}.session-sidebar-toggle{position:fixed;top:72px;left:14px;z-index:42;min-height:38px;display:inline-flex;align-items:center;padding:8px 12px;border:1px solid var(--border);border-radius:var(--radius);background:var(--panel);color:var(--text);box-shadow:var(--shadow);cursor:pointer;font-size:12px;font-weight:600}.session-sidebar{position:fixed;top:0;bottom:0;left:0;z-index:55;width:min(300px,calc(100% - 44px));height:auto;visibility:hidden;pointer-events:none;transform:translateX(-100%);transition:transform .2s ease;box-shadow:24px 0 60px -48px rgba(15,23,42,.5)}.session-sidebar--open{visibility:visible;pointer-events:auto;transform:translateX(0)}.session-sidebar .session-sidebar__close{display:inline-grid}.session-sidebar-backdrop{position:fixed;inset:0;z-index:50;display:block;pointer-events:none;background:rgba(23,23,23,0);transition:background .18s ease}.session-sidebar-backdrop--open{pointer-events:auto;background:rgba(23,23,23,.18)}.composer-shell{left:50%;width:min(760px,calc(100% - 32px))}.settings-toggle{position:fixed;top:72px}}@media (max-width:640px){.topbar{height:auto;min-height:56px;align-items:flex-start;flex-direction:column;padding:12px 16px}.nav{width:100%;flex-wrap:wrap}.settings-toggle{top:148px;right:14px}.session-sidebar-toggle{top:148px}.message--user{scroll-margin-top:204px}.slide-tool--active .messages{padding-top:56px}.conversation__scroll{width:min(100% - 24px,900px);padding-bottom:calc(300px + env(safe-area-inset-bottom))}.composer-shell{width:calc(100% - 24px)}.slide-tool--active .composer-shell{bottom:16px}.composer-actions{display:flex}.prompt-row{grid-template-columns:1fr}.intro h1{font-size:30px}.p-login{padding:20px}.p-login__panel{padding:30px 22px 28px}.lightbox-backdrop{padding:8px}.lightbox{width:calc(100vw - 16px);height:calc(100dvh - 16px)}.lightbox__bar{align-items:flex-start;flex-direction:column;gap:8px;padding:10px}.lightbox__controls{width:100%;justify-content:flex-end}.lightbox__stage{padding:16px 46px}.lightbox__nav{width:34px;height:46px;font-size:28px}}.composer-status{max-width:840px;margin:6px auto;font-size:13px;color:var(--muted)}:focus-visible{outline:2px solid var(--primary);outline-offset:2px}:is(button,input,textarea,select,a){transition:background-color .15s ease,border-color .15s ease,color .15s ease}:is(input,textarea)::placeholder{color:var(--muted);opacity:1}:is(h1,h2,h3,h4){font-weight:600}.message{overflow-wrap:anywhere}.draft-editor__textarea,.field :is(input,select,textarea){font-size:var(--font-size-base)}.composer-status{padding:var(--spacing-sm);background:var(--panel);border-radius:var(--radius)}form.card{border:0;border-radius:0;padding:0}form.card+form.card{border-top:1px solid var(--border);padding-top:var(--spacing-lg)}form.card>textarea{display:block;margin-block:var(--spacing-md);padding:var(--spacing-md);border:1px solid var(--border);border-radius:var(--radius);background:var(--panel-subtle);color:var(--text);font-size:var(--font-size-base);line-height:1.6;resize:vertical}@media (max-width:640px){.button,.icon-button,.send-button{min-width:44px;min-height:44px}}@media (prefers-reduced-motion:reduce){*,:after,:before{scroll-behavior:auto;transition:none;animation:none}}