:root{--p5d-font-display:"Albert Sans", ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--p5d-font-body:"Open Sans", ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--p5d-ink:#000;--p5d-body-ink:#212529;--p5d-ink-muted:#6d6d6d;--p5d-ink-faint:#949494;--p5d-green:#25e459;--p5d-green-deep:#04ab3d;--p5d-green-hover:#30ca66;--p5d-green-soft:#eafbf0;--p5d-surface:#fff;--p5d-surface-soft:#f3f3f3;--p5d-surface-hover:#0000000a;--p5d-surface-active:#00000017;--p5d-surface-raised:#fff;--p5d-line:#e8e8e8;--p5d-control-border:#00000017;--p5d-line-strong:#00000029;--p5d-danger:#e22626;--p5d-space-1:4px;--p5d-space-2:8px;--p5d-space-3:12px;--p5d-space-4:16px;--p5d-space-5:20px;--p5d-space-6:24px;--p5d-space-8:32px;--p5d-radius-control:100px;--p5d-radius-small:8px;--p5d-radius-medium:16px;--p5d-radius-card:24px;--p5d-control-height-medium:44px;--p5d-icon-slot-medium:20px;--p5d-status-indicator-size:18px;--p5d-caption-size:12px;--p5d-caption-line:16px;--p5d-body-small-size:14px;--p5d-body-small-line:20px;--p5d-title-small-size:16px;--p5d-title-small-line:24px;--p5d-chat-text-size:16px;--p5d-chat-text-line:25px;--p5d-chat-message-gap:30px;--p5d-chat-message-gap-mobile:26px;--p5d-shadow-menu:1px 1px 50px #0000001a;--p5d-shadow-composer:0 8px 30px #0000000d;--p5d-header-height:72px;--p5d-content-width:840px}:root[data-theme=dark]{--p5d-ink:#f4f4f1;--p5d-body-ink:#ececea;--p5d-ink-muted:#b0b0ab;--p5d-ink-faint:#858580;--p5d-green-soft:#173d24;--p5d-surface:#212120;--p5d-surface-soft:#181817;--p5d-surface-hover:#ffffff12;--p5d-surface-active:#ffffff1c;--p5d-surface-raised:#2b2b29;--p5d-line:#ffffff1c;--p5d-control-border:#ffffff1c;--p5d-line-strong:#ffffff2e;--p5d-shadow-menu:0 18px 50px #0000005c, 0 2px 8px #0000003d;--p5d-shadow-composer:0 8px 30px 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transparent);color:var(--muted);-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);place-items:center;font-size:13px;display:grid;position:fixed;inset:0}.composer-wrap{z-index:8;width:min(calc(100% - 48px), var(--p5d-content-width));padding-bottom:max(12px, env(safe-area-inset-bottom));background:linear-gradient(to bottom, transparent, var(--canvas) 22%);margin:0 auto;position:absolute;bottom:0;left:0;right:0}.composer{border:1px solid var(--line);border-radius:var(--p5d-radius-card);background:var(--composer);min-height:116px;box-shadow:var(--p5d-shadow-composer);flex-direction:column;padding:10px 12px;display:flex;position:relative}.archived-composer{border:1px solid var(--line);border-radius:var(--p5d-radius-card);background:var(--composer);min-height:62px;box-shadow:var(--shadow);align-items:center;gap:11px;padding:9px 11px;display:flex}.archived-composer-icon{background:var(--soft);width:36px;height:36px;color:var(--muted);border-radius:50%;flex:none;place-items:center;display:grid}.archived-composer>span:nth-child(2){flex-direction:column;flex:1;gap:2px;min-width:0;display:flex}.archived-composer strong{font-size:13px;font-weight:620}.archived-composer small{color:var(--muted);font-size:11px}.archived-composer button{border:1px solid var(--line-strong);border-radius:var(--p5d-radius-control);background:var(--composer);min-height:36px;color:var(--ink);white-space:nowrap;padding:0 14px;font-size:12px;font-weight:600}.archived-composer button:hover{background:var(--hover)}.composer-input{min-height:58px;display:flex}.composer textarea{resize:none;background:0 0;border:0;outline:0;flex:1;min-width:0;min-height:52px;max-height:180px;padding:8px 6px 6px;font-size:15px;line-height:1.45;overflow-y:auto}@supports (field-sizing:content){.composer textarea{field-sizing:content;height:auto}}.composer 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.12s;display:grid}.send-button:disabled{cursor:default}.response-control-spinner{border:2px solid;border-right-color:#0000;border-radius:50%;width:15px;height:15px;animation:.65s linear infinite spin}.send-button.is-active{background:var(--p5d-green);color:#000}.send-button.is-active:hover{background:var(--p5d-green-hover);transform:scale(1.04)}.composer-note{color:var(--faint);text-align:center;margin:7px 0 0;font-size:11px}.attachment-list{gap:7px;width:100%;padding:1px 2px 8px;display:flex;overflow-x:auto}.attachment-chip{border:1px solid var(--line);background:var(--canvas);border-radius:12px;flex:none;align-items:center;gap:8px;max-width:240px;padding:6px 7px;display:flex}.attachment-chip.is-failed{border-color:#be3e3873}.attachment-chip.is-preparing .attachment-icon:after,.attachment-chip.is-uploading .attachment-icon:after{border:2px solid var(--line-strong);border-top-color:var(--p5d-green-deep);content:"";border-radius:50%;width:13px;height:13px;animation:.7s linear infinite spin}.attachment-chip.is-preparing .attachment-icon svg,.attachment-chip.is-uploading .attachment-icon svg{display:none}.attachment-icon{background:var(--soft);border-radius:8px;place-items:center;width:28px;height:28px;display:grid}.attachment-chip>span:nth-child(2){flex-direction:column;min-width:0;display:flex}.attachment-chip strong,.attachment-chip small{text-overflow:ellipsis;white-space:nowrap;font-size:11px;overflow:hidden}.attachment-chip strong{font-weight:600}.attachment-chip small{color:var(--muted)}.attachment-chip>button{width:24px;height:24px;color:var(--muted);border-radius:50%;flex:none;place-items:center;display:grid}.attachment-chip>button:hover{background:var(--soft)}.toast{z-index:80;border:1px solid var(--line);background:var(--ink);max-width:min(430px,100vw - 32px);color:var(--canvas);box-shadow:var(--shadow);border-radius:13px;align-items:center;gap:12px;padding:12px 12px 12px 15px;font-size:13px;display:flex;position:fixed;bottom:24px;right:24px}.toast span{flex:1}.toast button{width:28px;height:28px;color:inherit;border-radius:8px;place-items:center;display:grid}.sidebar-backdrop,.mobile-only{display:none}.sr-only{clip:rect(0, 0, 0, 0)!important;white-space:nowrap!important;border:0!important;width:1px!important;height:1px!important;padding:0!important;position:absolute!important;overflow:hidden!important}@keyframes spin{to{transform:rotate(360deg)}}@keyframes pulse{50%{opacity:.3}}@keyframes thinking{0%,60%,to{opacity:.45;transform:translateY(0)}30%{opacity:1;transform:translateY(-4px)}}@media (width>=993px){.app-shell.is-sidebar-collapsed{grid-template-columns:0 minmax(0,1fr)}.app-shell.is-sidebar-collapsed .sidebar{visibility:hidden;pointer-events:none;transform:translate(-100%)}}@media (width<=992px){.app-shell{display:block}.sidebar{width:min(86vw,320px);padding-top:max(10px, env(safe-area-inset-top));visibility:hidden;position:fixed;inset:0 auto 0 0;transform:translate(-102%);box-shadow:15px 0 45px #0000001f}.sidebar.is-open{visibility:visible;transform:translate(0)}.sidebar-backdrop{z-index:25;opacity:0;pointer-events:none;background:#00000059;width:100%;height:100%;transition:opacity .18s;position:fixed;inset:0}.sidebar-backdrop.is-open{opacity:1;pointer-events:auto;display:block}.mobile-only{display:inline-grid}.desktop-only{display:none}.chat-menu-trigger{opacity:1}.chat-header{padding:max(4px, env(safe-area-inset-top)) 14px 0}.chat-main{grid-template-rows:calc(72px + env(safe-area-inset-top)) minmax(0, 1fr)}.chat-title{max-width:min(48vw,390px)}.new-chat-button.is-redundant{display:none}.connection-pill{flex:0 0 8px;width:8px;height:8px;padding:0;font-size:0;overflow:hidden}.connection-pill i{flex:0 0 8px;width:8px;height:8px}}@media (width<=768px){.thread{padding:28px 24px 0}.message{margin-bottom:var(--p5d-chat-message-gap-mobile)}.user-bubble{max-width:88%}.user-actions{opacity:.72}.empty-state{width:min(100%, var(--p5d-content-width));justify-content:flex-start;padding:clamp(52px,8vh,84px) 14px 160px}.welcome-kicker{display:none}.welcome-mark{display:grid}.empty-state h1{margin-top:clamp(16px,3vh,24px);font-size:clamp(30px,9vw,36px);line-height:1.08}.welcome-intro{display:none}.starter-grid{grid-template-columns:1fr;gap:10px;margin-top:clamp(18px,6vh,52px)}.starter-grid button{border-radius:var(--p5d-radius-medium);background:var(--soft);align-items:center;min-height:0;padding:14px 18px;display:flex}.starter-grid button:last-child{display:none}.starter-icon{width:34px;height:34px}.starter-grid strong{align-self:auto;font-size:16px}.starter-grid button>span:last-child{display:none}.composer-wrap{width:min(calc(100% - 28px), var(--p5d-content-width))}.composer-note{display:none}.jump-to-latest{bottom:calc(var(--composer-inset,120px) + 12px)}.toast{right:16px;bottom:calc(100px + env(safe-area-inset-bottom))}}@media (width<=440px) and (height<=600px){.welcome-mark{display:none}.empty-state{padding-top:0}}@media (height<=520px){.empty-state{justify-content:flex-start;padding:12px 14px 170px}.welcome-kicker,.welcome-mark,.welcome-intro,.starter-grid{display:none}.empty-state h1{margin-top:12px;font-size:30px;line-height:36px}.composer .project-menu{inset:calc(var(--p5d-header-height) + 8px) 14px 8px;width:auto;position:fixed;overflow-y:auto;transform:none}}@media (width<=440px){.chat-header{padding-inline:8px}.chat-title{max-width:calc(100vw - 142px)}.connection-pill{display:none}.thread{padding-inline:20px}.composer .project-title{display:none}.model-title{gap:4px;padding-inline:6px;font-size:12px}.model-title small{font-size:11px}}:root[data-theme=dark]{--hover:var(--p5d-surface-raised);--bubble:#30302e}[data-theme=dark] .p5d-logo{color:#f3f3f3}[data-theme=dark] .p5d-logo--mark{color:var(--p5d-green)}[data-theme=dark] .avatar{color:#b9e2d8;background:#294c45}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}