.playground-root{min-height:100dvh;height:100dvh;display:flex;overflow:hidden;background:var(--playground-main-bg,var(--background));color:var(--text);--playground-pill-radius:var(--radius-pill);--playground-fill-radius:var(--radius-card-sm)}.playground-scrim{position:fixed;inset:0;z-index:90;border:none;padding:0;margin:0;border-radius:0;background:color-mix(in srgb,#000 52%,transparent);cursor:pointer;animation:playground-scrim-in .2s ease}@keyframes playground-scrim-in{0%{opacity:0}to{opacity:1}}@media (prefers-reduced-motion:reduce){.playground-scrim{animation:none}.playground-sidebar{transition:none}}.playground-sidebar{width:260px;flex-shrink:0;display:none;flex-direction:column;padding:10px 8px calc(12px + env(safe-area-inset-bottom, 0px));border-right:none;background:var(--playground-sidebar-bg,var(--paper-1,var(--surface)));min-height:100dvh;transition:width .2s ease,transform .22s ease;z-index:100}.playground-sidebar--collapsed{width:52px;padding-inline:6px}@media (max-width:959px){.playground-sidebar{position:fixed;top:0;left:0;bottom:0;display:flex;width:min(300px,calc(100vw - 48px));max-width:100%;min-height:0;height:100dvh;padding-top:calc(10px + env(safe-area-inset-top, 0px));transform:translateX(-105%);box-shadow:8px 0 32px color-mix(in srgb,#000 28%,transparent)}.playground-sidebar--mobile-open{transform:translateX(0)}.playground-sidebar--collapsed{width:min(300px,calc(100vw - 48px));padding-inline:8px}.playground-sidebar__item,.playground-sidebar__item--button{min-height:44px}.playground-sidebar__chat-delete,.playground-sidebar__project-menu-btn,.playground-sidebar__project-new{opacity:1;width:36px;height:36px}.playground-profile-menu__popup{left:8px;right:8px;width:auto;max-width:none}.playground-profile-menu--collapsed .playground-profile-menu__popup{left:8px;bottom:calc(100% + 8px)}}@media (min-width:960px){.playground-sidebar{display:flex;position:relative;transform:none;box-shadow:none}.playground-scrim{display:none}}.playground-sidebar__head{display:flex;justify-content:space-between;align-items:center;gap:8px;flex-shrink:0;min-height:36px;padding:0 2px 6px}.playground-sidebar__brand{flex:1 1;min-width:0;padding-left:6px;font-size:15px;font-weight:600;line-height:1.2;letter-spacing:-.02em}.playground-sidebar__brand,a.playground-sidebar__brand,a.playground-sidebar__brand:hover,a.playground-sidebar__brand:visited{color:var(--text);text-decoration:none}.playground-sidebar__brand:hover{opacity:.88}.playground-sidebar--collapsed .playground-sidebar__head{justify-content:center;padding-inline:0}.playground-sidebar__nav,.playground-sidebar__top{display:flex;flex-direction:column;gap:2px}.playground-sidebar__item{display:flex;align-items:center;gap:12px;min-height:40px;padding:0 10px;font-size:14px;font-weight:500;transition:background .15s ease,color .15s ease}.playground-sidebar__item,a.playground-sidebar__item,a.playground-sidebar__item:visited{color:var(--text-secondary);text-decoration:none}a.playground-sidebar__item.playground-sidebar__item--active,a.playground-sidebar__item.playground-sidebar__item--active:visited,a.playground-sidebar__item:hover{color:var(--text)}.playground-sidebar--collapsed .playground-sidebar__item{justify-content:center;padding:0;width:40px;margin-inline:auto}.playground-sidebar__item--active,.playground-sidebar__item:hover{background:var(--interactive-hover);color:var(--text)}.playground-sidebar__item--button{width:100%;border:none;cursor:pointer;font-family:inherit;text-align:left;background:transparent}.playground-sidebar--collapsed .playground-sidebar__item--button{width:40px}.playground-sidebar__item-icon{flex-shrink:0;display:inline-flex;align-items:center;justify-content:center;width:18px;height:18px;color:currentColor}.playground-sidebar__item-label{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.playground-sidebar__spacer{flex:1 1;min-height:12px}.playground-sidebar__history{flex:1 1;min-height:0;display:flex;flex-direction:column;margin-top:12px;padding-top:8px}.playground-sidebar__history-label{margin:0 0 6px;padding:0 10px;font-size:12px;font-weight:500;color:var(--text-muted)}.playground-sidebar__history-list{flex:1 1;overflow-y:auto;display:flex;flex-direction:column;gap:1px;padding-right:2px}.playground-sidebar__history-empty{margin:0;padding:8px 10px;font-size:13px;color:var(--text-muted)}.playground-sidebar__chat-row{display:flex;align-items:center;gap:2px;transition:background .15s ease}.playground-sidebar__chat-row--active,.playground-sidebar__chat-row:hover{background:var(--interactive-hover)}.playground-sidebar__chat-link{flex:1 1;min-width:0;display:flex;align-items:center;gap:8px;padding:8px 10px;font-size:14px}.playground-sidebar__chat-link,a.playground-sidebar__chat-link,a.playground-sidebar__chat-link:visited{color:var(--text-secondary);text-decoration:none}.playground-sidebar__chat-row--active .playground-sidebar__chat-link,.playground-sidebar__chat-row--active a.playground-sidebar__chat-link,.playground-sidebar__chat-row--active a.playground-sidebar__chat-link:hover,.playground-sidebar__chat-row--active a.playground-sidebar__chat-link:visited{color:var(--text)}.playground-sidebar__chat-title{flex:1 1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.playground-sidebar__chat-age{flex-shrink:0;font-size:11px;color:var(--text-muted)}.playground-sidebar__projects{margin-bottom:12px}.playground-sidebar__project{margin-bottom:4px}.playground-sidebar__project-head{display:flex;align-items:center;gap:2px;min-height:36px;padding-right:2px}.playground-sidebar__project-head--active,.playground-sidebar__project-head:hover{background:var(--interactive-hover)}.playground-sidebar__project-toggle{flex-shrink:0;width:24px;height:24px;border:none;background:transparent;color:var(--text-muted);cursor:pointer;display:inline-flex;align-items:center;justify-content:center;transition:transform .15s ease}.playground-sidebar__project-toggle--open{transform:rotate(90deg)}.playground-sidebar__project-name{flex:1 1;min-width:0;display:flex;align-items:center;gap:8px;border:none;background:transparent;color:var(--text);font-size:14px;font-weight:500;cursor:pointer;padding:0 4px 0 0;text-align:left;font-family:inherit}.playground-sidebar__project-name span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.playground-sidebar__project-name svg{flex-shrink:0;color:var(--text-muted)}.playground-sidebar__project-menu-btn,.playground-sidebar__project-new{flex-shrink:0;width:28px;height:28px;border:none;background:transparent;color:var(--text-muted);cursor:pointer;opacity:0;transition:opacity .15s ease,background .15s ease,color .15s ease}.playground-sidebar__project-head:focus-within .playground-sidebar__project-menu-btn,.playground-sidebar__project-head:focus-within .playground-sidebar__project-new,.playground-sidebar__project-head:hover .playground-sidebar__project-menu-btn,.playground-sidebar__project-head:hover .playground-sidebar__project-new{opacity:1}.playground-sidebar__project-menu-btn:hover,.playground-sidebar__project-new:hover{background:color-mix(in srgb,var(--interactive-hover) 80%,var(--text) 5%);color:var(--text)}.playground-sidebar__project-menu-wrap{position:relative}.playground-sidebar__project-menu-btn{opacity:1;font-size:14px;line-height:1}.playground-sidebar__project-menu{position:absolute;right:0;top:calc(100% + 4px);z-index:40;min-width:160px;padding:4px;border-radius:12px;border:1px solid color-mix(in srgb,var(--border) 55%,transparent);background:var(--paper-2,var(--surface-elevated));box-shadow:var(--shadow-floating)}.playground-sidebar__project-menu button{width:100%;min-height:36px;padding:0 10px;border:none;background:transparent;color:var(--text);font-size:13px;text-align:left;cursor:pointer;font-family:inherit}.playground-sidebar__project-menu button:hover{background:var(--interactive-hover)}.playground-sidebar__project-menu-danger{color:var(--error)!important}.playground-sidebar__project-chats{padding-left:18px}.playground-sidebar__project-chats .playground-sidebar__chat-link{padding-left:8px}.playground-sidebar__chat-delete{flex-shrink:0;width:28px;height:28px;margin-right:4px;border:none;border-radius:var(--radius-pill);background:transparent;color:var(--text-muted);font-size:16px;line-height:1;cursor:pointer;opacity:0;transition:opacity .15s ease,background .15s ease,color .15s ease}.playground-sidebar__chat-row:focus-within .playground-sidebar__chat-delete,.playground-sidebar__chat-row:hover .playground-sidebar__chat-delete{opacity:1}.playground-sidebar__chat-delete:hover{background:color-mix(in srgb,var(--error) 14%,transparent);color:var(--error)}.playground-sidebar__bottom{margin-top:8px;display:flex;align-items:center;gap:4px}.playground-sidebar--collapsed .playground-sidebar__bottom{flex-direction:column;align-items:center;gap:8px}.playground-sidebar__theme{flex-shrink:0;display:flex;align-items:center;justify-content:center}.playground-sidebar__theme .theme-toggle{flex-shrink:0;min-width:36px;min-height:36px}.playground-sidebar__theme .theme-toggle__track{width:36px;height:22px}.playground-sidebar__theme .theme-toggle__thumb{width:16px;height:16px}.playground-sidebar__theme .theme-toggle__thumb--dark{transform:translateX(14px)}.playground-sidebar__theme .theme-toggle__icon svg{width:10px;height:10px}.playground-sidebar__theme .theme-toggle__icon--sun{left:5px}.playground-sidebar__theme .theme-toggle__icon--moon{right:5px}.playground-sidebar__collapse{flex-shrink:0;width:36px;height:36px;border:none;border-radius:50%;background:transparent;color:var(--text-secondary);cursor:pointer;display:inline-flex;align-items:center;justify-content:center;transition:background .15s ease,color .15s ease}.playground-sidebar__collapse:active,.playground-sidebar__collapse:hover{background:color-mix(in srgb,var(--text) 16%,transparent);color:var(--text)}.playground-sidebar__collapse:focus-visible{outline:none;box-shadow:var(--focus-ring)}.playground-profile-menu{position:relative;flex:1 1;min-width:0}.playground-profile-menu--collapsed{flex:0 1}.playground-profile-menu__login-btn{width:100%;min-height:40px;height:auto;padding:8px 12px;font-size:14px;font-weight:600}.playground-profile-menu--collapsed .playground-profile-menu__login-btn{width:40px;min-height:40px;height:40px;padding:0;display:inline-flex;align-items:center;justify-content:center;margin-inline:auto}.playground-profile-menu__trigger{width:100%;display:flex;align-items:center;gap:10px;min-height:40px;padding:4px 8px;border:none;background:transparent;color:var(--text);cursor:pointer;font-family:inherit;text-align:left;transition:background .15s ease}.playground-profile-menu--collapsed .playground-profile-menu__trigger{width:40px;justify-content:center;padding:0;margin-inline:auto}.playground-profile-menu__trigger:hover{background:var(--interactive-hover)}.playground-profile-menu__avatar{flex-shrink:0;width:28px;height:28px;border-radius:var(--radius-pill);display:inline-flex;align-items:center;justify-content:center;background:var(--paper-3,var(--surface-muted));color:var(--text);font-size:12px;font-weight:700}.playground-profile-menu__meta{min-width:0;display:flex;flex-direction:column;gap:1px}.playground-profile-menu__name{font-size:13px;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.playground-profile-menu__plan{font-size:11px;color:var(--text-muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.playground-profile-menu__popup{position:absolute;left:0;bottom:calc(100% + 8px);z-index:60;width:min(280px,calc(100vw - 24px));padding:6px;border-radius:14px;border:1px solid color-mix(in srgb,var(--border) 55%,transparent);background:var(--paper-2,var(--surface-elevated));box-shadow:var(--shadow-floating)}.playground-profile-menu--collapsed .playground-profile-menu__popup{left:calc(100% + 8px);bottom:0}.playground-profile-menu__limits{padding:10px 12px 12px;border-bottom:1px solid color-mix(in srgb,var(--border) 40%,transparent);margin-bottom:4px}.playground-profile-menu__limits-head{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:8px}.playground-profile-menu__limits-label{font-size:13px;font-weight:600;color:var(--text)}.playground-profile-menu__limits-value{font-size:13px;font-weight:600;color:var(--text-secondary);font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.playground-profile-menu__limits-bar{height:6px;border-radius:999px;overflow:hidden;background:color-mix(in srgb,var(--border) 55%,transparent)}.playground-profile-menu__limits-fill{height:100%;border-radius:inherit;background:linear-gradient(90deg,color-mix(in srgb,var(--accent) 85%,#fff),var(--accent));transition:width .2s ease}.playground-profile-menu__credits{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:10px 12px;font-size:13px;color:var(--text-secondary);border-bottom:1px solid color-mix(in srgb,var(--border) 40%,transparent);margin-bottom:4px}.playground-profile-menu__credits a{color:var(--text);font-weight:600;text-decoration:none;white-space:nowrap}.playground-profile-menu__credits a:hover{text-decoration:underline}.playground-profile-menu__item{display:flex;align-items:center;width:100%;min-height:40px;padding:0 12px;border:none;background:transparent;color:var(--text);font-size:14px;font-weight:500;text-decoration:none;cursor:pointer;font-family:inherit;text-align:left;transition:background .15s ease}.playground-profile-menu__item:hover{background:var(--interactive-hover)}.playground-profile-menu__item--danger{color:var(--error)}.playground-main{flex:1 1;min-width:0;min-height:0;display:flex;flex-direction:column;height:100dvh;overflow-x:hidden;overflow-y:auto;background:var(--playground-main-bg,var(--background))}.playground-main:has(.playground-chat){align-items:center}.playground-main:has(.playground-chat:not(.playground-chat--empty)){overflow-y:auto;overflow-x:hidden;-webkit-overflow-scrolling:touch;overscroll-behavior:contain}.playground-main:has(.chat-stream){overflow:hidden;align-items:stretch}.playground-main>.chat-stream{flex:1 1;min-height:0;width:100%}.playground-mobile-bar{display:flex;align-items:center;justify-content:flex-start;align-self:stretch;width:100%;flex-shrink:0;min-height:calc(48px + env(safe-area-inset-top, 0px));padding:env(safe-area-inset-top,0) 8px 0 4px;background:var(--playground-main-bg,var(--background))}.playground-mobile-bar__menu{width:44px;height:44px;border:none;background:transparent;color:var(--text);cursor:pointer;display:inline-flex;align-items:center;justify-content:center;transition:background .15s ease}.playground-mobile-bar__menu:hover{background:var(--interactive-hover)}.playground-mobile-bar__menu:focus-visible{outline:none;box-shadow:var(--focus-ring)}@media (min-width:960px){.playground-mobile-bar{display:none}}.playground-chat{flex:1 1;min-height:0;display:flex;flex-direction:column;width:min(100%,var(--playground-column-max,48rem));max-width:var(--playground-column-max,48rem);align-self:center;padding:0 16px 16px;box-sizing:border-box;overflow:hidden}.playground-chat:not(.playground-chat--empty){flex:1 0 auto;min-height:calc(100dvh - 48px - env(safe-area-inset-top, 0px));overflow:visible;padding-bottom:0}@media (min-width:960px){.playground-chat:not(.playground-chat--empty){min-height:100dvh}}.playground-chat--empty{justify-content:center;overflow-y:auto;-webkit-overflow-scrolling:touch;padding-top:8px;padding-bottom:calc(16px + env(safe-area-inset-bottom, 0px))}.playground-empty-stage{width:100%;display:flex;flex-direction:column;gap:16px}.playground-inline-error{margin:0;color:var(--danger);font-size:14px;text-align:center}.playground-paper{border:none;box-shadow:none}.playground-paper--1{background:var(--paper-1,var(--surface));box-shadow:none}.playground-paper--2{background:var(--paper-2,var(--surface-elevated));box-shadow:none}.playground-paper--3{background:var(--paper-3,var(--surface-muted));box-shadow:none}.playground-hero-copy{text-align:center;padding:0 12px 8px}.playground-hero-copy h1{font-family:var(--font-heading);font-size:clamp(22px,5.5vw,36px);font-weight:600;letter-spacing:-.03em;margin:0 0 8px;line-height:1.2;color:var(--text);overflow-wrap:anywhere}.playground-hero-copy p{margin:0;color:var(--text-secondary);font-size:clamp(14px,3.5vw,15px);line-height:1.5}.playground-messages{position:relative;flex:1 0 auto;display:flex;flex-direction:column;overflow:visible;padding:12px 0 4px}.playground-composer-wrap{position:-webkit-sticky;position:sticky;bottom:0;z-index:20;flex-shrink:0;width:100%;margin-top:auto;padding:12px 0 calc(8px + env(safe-area-inset-bottom, 0px));background:linear-gradient(to top,var(--playground-main-bg,var(--background)) 62%,color-mix(in srgb,var(--playground-main-bg,var(--background)) 88%,transparent) 82%,transparent)}.playground-composer-stack{width:100%;max-width:100%;box-sizing:border-box;border-radius:18px;border:1px solid color-mix(in srgb,var(--border) 55%,transparent);background:var(--paper-2,var(--surface-elevated));box-shadow:var(--shadow-floating);overflow:hidden}.playground-composer-context{display:flex;align-items:center;flex-wrap:wrap;gap:8px 12px;padding:8px 14px;border-bottom:1px solid color-mix(in srgb,var(--border) 45%,transparent);background:color-mix(in srgb,var(--paper-3,var(--surface-muted)) 72%,var(--paper-2,var(--surface-elevated)) 28%)}.playground-composer-context__item{display:inline-flex;align-items:center;gap:6px;min-height:28px;color:var(--text-secondary);font-size:12px;font-weight:500;line-height:1.2}.playground-composer-context__item--muted{color:var(--text-tertiary,var(--text-secondary))}.playground-composer-context__text{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:min(180px,34vw)}.playground-composer-card{padding:10px 12px 8px;background:var(--paper-2,var(--surface-elevated));border:1px solid color-mix(in srgb,var(--border) 45%,transparent);width:100%;max-width:100%;box-sizing:border-box;transition:border-radius .15s ease,padding .15s ease}.playground-composer-card--stacked{padding:12px 14px 10px;border:none;border-radius:0;background:transparent;box-shadow:none}.playground-composer-card--pill{border-radius:var(--playground-pill-radius);padding:6px 10px 6px 14px;display:flex;align-items:center}.playground-composer-card--pill .chat-stream__composer--single-row{flex:1 1;min-width:0;flex-direction:row;align-items:center;gap:4px}.playground-composer-card--pill .chat-stream__composer--single-row .chat-stream__composer-input{min-height:32px;max-height:32px;padding:5px 0;line-height:1.35;overflow:hidden}.playground-composer-card.playground-fill{border-radius:var(--playground-fill-radius);padding:10px 12px 8px}.playground-composer-card--pill .chat-stream__composer--single-row .chat-stream__composer-toolbar{padding-top:0;min-height:0}.playground-composer-card .chat-stream__composer--multiline{flex-direction:column;align-items:stretch;gap:0}.playground-composer-card--stacked .chat-stream__composer,.playground-composer-card--stacked .chat-stream__composer--stacked{border:none;background:transparent;padding:0;box-shadow:none;-webkit-backdrop-filter:none;backdrop-filter:none}.playground-composer-card--stacked .chat-stream__composer-input{min-height:48px;max-height:180px;font-size:16px;line-height:1.45;background:transparent;padding:2px 2px 10px}.playground-composer-card--stacked .chat-stream__composer--stacked .chat-stream__composer-toolbar{padding-top:2px;justify-content:space-between;gap:10px;min-height:44px}.playground-composer-card--stacked .chat-stream__composer-toolbar-start{gap:8px}.playground-composer-card--stacked .chat-stream__composer-toolbar-end{gap:6px}.playground-composer__icon-btn{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;min-width:36px;min-height:36px;padding:0;border:none;border-radius:var(--radius-pill);background:color-mix(in srgb,var(--paper-3,var(--surface-muted)) 80%,transparent);color:var(--text-secondary);cursor:pointer;transition:background .15s ease,color .15s ease}.playground-composer__icon-btn:hover{background:var(--interactive-hover);color:var(--text)}.playground-composer__icon-btn:focus-visible{outline:none;box-shadow:0 0 0 3px color-mix(in srgb,var(--accent,var(--text)) 14%,transparent)}.playground-composer__status-badge{display:inline-flex;align-items:center;gap:6px;min-height:32px;max-width:min(100%,220px);padding:0 10px;border-radius:var(--radius-pill);border:1px solid color-mix(in srgb,var(--warning,#f59e0b) 38%,transparent);background:color-mix(in srgb,var(--warning,#f59e0b) 12%,transparent);color:color-mix(in srgb,var(--warning,#f59e0b) 82%,var(--text) 18%);font-size:12px;font-weight:600;line-height:1.2;text-decoration:none;white-space:nowrap}.playground-composer__status-badge,.playground-composer__status-badge span{overflow:hidden;text-overflow:ellipsis}.playground-composer__status-badge--button{cursor:pointer;font-family:inherit}.playground-composer__status-badge--button:hover{background:color-mix(in srgb,var(--warning,#f59e0b) 18%,transparent)}.playground-composer-card .chat-stream__composer,.playground-composer-card .chat-stream__composer--stacked{border:none;background:transparent;padding:0;box-shadow:none;-webkit-backdrop-filter:none;backdrop-filter:none}.playground-composer-card .chat-stream__composer-input{min-height:44px;max-height:160px;font-size:16px;background:transparent;padding:4px 2px 8px}.playground-composer-card .chat-stream__composer--stacked .chat-stream__composer-toolbar{padding-top:4px;justify-content:flex-end}.playground-composer-card .chat-stream__composer-toolbar-end{gap:2px}.playground-composer-card .playground-model-picker__menu{left:auto;right:0}.playground-composer-card--stacked .playground-model-picker__trigger{min-height:36px;max-width:min(200px,42vw);padding:0 12px;background:color-mix(in srgb,var(--paper-3,var(--surface-muted)) 80%,transparent)}.playground-composer-card--stacked .playground-model-picker__trigger:hover{background:var(--interactive-hover)}.playground-composer-card--stacked .chat-stream__send{width:40px;height:40px;min-width:40px;min-height:40px}.playground-composer-card .chat-stream__send{width:36px;height:36px;min-width:36px;min-height:36px}@media (max-width:479px){.playground-composer-stack{border-radius:16px}.playground-composer-context{gap:6px 10px;padding:8px 12px}.playground-composer-context__text{max-width:min(140px,30vw)}.playground-composer-card--stacked{padding:10px 12px 8px}.playground-composer-card--stacked .chat-stream__composer-toolbar{gap:6px}.playground-composer__status-badge{max-width:min(100%,160px);padding:0 8px;font-size:11px}.playground-composer-card--stacked .chat-stream__send{width:44px;height:44px;min-width:44px;min-height:44px}.playground-composer-card .chat-stream__composer-toolbar{gap:4px}.playground-composer-card .chat-stream__send{width:44px;height:44px;min-width:44px;min-height:44px}.playground-model-picker__trigger{max-width:100%;min-height:36px}}.playground-quick-picks{display:flex;gap:8px;overflow-x:auto;padding:8px 2px 2px;scrollbar-width:none}.playground-quick-picks::-webkit-scrollbar{display:none}.playground-quick-pick{flex-shrink:0;min-height:32px;padding:0 12px;border-radius:var(--radius-pill);border:none;background:color-mix(in srgb,var(--paper-3,var(--surface-muted)) 80%,transparent);color:var(--text-secondary);font-size:12px;font-weight:500;cursor:pointer;transition:background .15s ease,color .15s ease}.playground-quick-pick--active,.playground-quick-pick:hover{background:var(--interactive-hover);color:var(--text)}.playground-model-picker{position:relative}.playground-model-picker__trigger{display:inline-flex;align-items:center;gap:6px;min-height:32px;padding:0 10px;border-radius:var(--radius-pill);border:none;background:transparent;color:var(--text-secondary);font-size:13px;font-weight:500;cursor:pointer;max-width:min(220px,45vw)}.playground-model-picker__trigger:hover{background:var(--interactive-hover);color:var(--text)}.playground-model-picker__trigger span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.playground-model-picker__menu{position:absolute;bottom:calc(100% + 8px);left:0;z-index:50;width:min(360px,calc(100vw - 32px));max-height:min(420px,60vh);overflow:hidden;display:flex;flex-direction:column;border-radius:14px;border:1px solid color-mix(in srgb,var(--border) 55%,transparent);background:var(--paper-2,var(--surface-elevated));box-shadow:var(--shadow-floating)}.playground-model-picker__search{flex-shrink:0;padding:12px 12px 0}.playground-model-picker__search-field,.playground-model-picker__search-field .prisma-float-field__control{width:100%}.playground-model-picker__list{overflow-y:auto;padding:8px;min-height:0;flex:1 1}.playground-model-picker__all{flex-shrink:0;border-top:1px solid color-mix(in srgb,var(--border) 40%,transparent)}.playground-model-picker__backdrop{z-index:120}.playground-model-picker__sheet{display:flex;flex-direction:column;gap:0;max-height:min(85dvh,calc(100dvh - env(safe-area-inset-top, 0px) - 16px))}.playground-model-picker__sheet-title{margin:0 0 12px;font-family:var(--font-heading);font-size:1.125rem;font-weight:600;line-height:1.3;color:var(--text)}.playground-model-picker__sheet .playground-model-picker__search{padding:0 0 12px}.playground-model-picker__sheet .playground-model-picker__list{flex:1 1;min-height:0;max-height:none;padding:0;margin:0 -4px}.playground-model-picker__sheet .playground-model-option{min-height:48px}.playground-model-option{width:100%;display:flex;align-items:flex-start;gap:10px;min-height:40px;padding:10px 12px;border:none;background:transparent;color:var(--text);text-align:left;cursor:pointer}.playground-model-option--selected,.playground-model-option:hover{background:var(--interactive-hover)}.playground-model-option__title{font-size:14px;font-weight:600}.playground-model-option__meta{font-size:12px;color:var(--text-secondary);margin-top:2px}.playground-upsell{margin-top:10px;display:flex;justify-content:center;width:100%}.playground-upsell__link{display:inline-flex;align-items:center;justify-content:center;min-height:36px;padding:0 14px;border-radius:var(--radius-pill);border:1px solid color-mix(in srgb,var(--border) 55%,transparent);background:transparent;color:var(--text-secondary);font-size:13px;font-weight:500;line-height:1.2;text-decoration:none;cursor:pointer;font-family:inherit;transition:background .15s ease,color .15s ease,border-color .15s ease}.playground-upsell__link:hover{background:var(--interactive-hover);color:var(--text);border-color:var(--border)}.playground-guest-login{display:flex;flex-direction:column;align-items:stretch;justify-content:flex-start;gap:10px;margin-bottom:0;padding:10px 12px;border-radius:14px;background:var(--paper-2,var(--surface-elevated));border:1px solid color-mix(in srgb,var(--border) 45%,transparent)}.playground-guest-login--highlight{border-color:color-mix(in srgb,var(--text) 25%,var(--border))}.playground-guest-login__copy{flex:0 0 auto;min-width:0}.playground-guest-login__title{margin:0 0 2px;font-size:14px;font-weight:600;color:var(--text)}.playground-guest-login__subtitle{margin:0;font-size:12px;line-height:1.4;color:var(--text-secondary)}.playground-telegram-login{display:flex;flex-direction:column;align-items:center;gap:8px;flex:0 0 auto;width:100%;min-height:44px}.playground-guest-login__cta{flex:0 0 auto;min-height:40px;align-self:flex-start}.playground-login-modal__lead{margin:0;font-size:14px;line-height:1.45;color:var(--text-secondary)}.playground-auth-modal__backdrop{position:fixed;inset:0;z-index:1200;display:flex;align-items:flex-start;justify-content:center;padding:var(--app-overlay-pad-y) var(--app-overlay-pad-x) var(--app-overlay-pad-bottom);background:var(--scrim);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);overflow-y:auto;overscroll-behavior:contain;-webkit-overflow-scrolling:touch;animation:playground-auth-fade-in .2s ease}@keyframes playground-auth-fade-in{0%{opacity:0}to{opacity:1}}.playground-auth-modal{position:relative;width:100%;max-width:min(420px,calc(100vw - 32px));margin:auto;flex-shrink:0;padding:28px 24px 22px;border-radius:20px;background:linear-gradient(165deg,var(--surface-elevated) 0,var(--surface) 58%);border:1px solid var(--border);box-shadow:var(--shadow-floating);color:var(--text);animation:playground-auth-slide-up .24s ease}@keyframes playground-auth-slide-up{0%{opacity:0;transform:translateY(12px) scale(.98)}to{opacity:1;transform:translateY(0) scale(1)}}.playground-auth-modal__close{position:absolute;top:14px;right:14px;display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;padding:0;border:none;border-radius:999px;background:color-mix(in srgb,var(--text) 8%,transparent);color:var(--text-secondary);cursor:pointer;transition:background .15s ease,color .15s ease}.playground-auth-modal__close:hover{background:color-mix(in srgb,var(--text) 14%,transparent);color:var(--text)}.playground-auth-modal__brand{display:flex;align-items:center;margin-bottom:18px}.playground-auth-modal__brand-name{font-family:var(--font-heading);font-size:15px;font-weight:600;letter-spacing:.02em;color:var(--text)}.playground-auth-modal__title{margin:0 0 8px;font-family:var(--font-heading);font-size:clamp(22px,5vw,26px);line-height:1.2;font-weight:650;color:var(--text)}.playground-auth-modal__lead{margin:0 0 16px;font-size:14px;line-height:1.5;color:var(--text-secondary)}.playground-auth-modal__perks{list-style:none;margin:0 0 20px;padding:14px 14px 14px 12px;display:flex;flex-direction:column;gap:10px;border-radius:14px;background:var(--surface-muted);border:1px solid color-mix(in srgb,var(--border) 80%,transparent)}.playground-auth-modal__perks li{display:flex;align-items:flex-start;gap:10px;font-size:13px;line-height:1.45;color:var(--text)}.playground-auth-modal__perk-icon{flex:0 0 auto;display:inline-flex;margin-top:1px;color:#2aabee}.playground-auth-modal__widget{display:flex;flex-direction:column;align-items:center;width:100%}.playground-auth-modal__widget .playground-telegram-login{align-items:center;width:100%}.playground-auth-modal__widget .playground-telegram-login>div:first-child{display:flex;justify-content:center;width:100%}.playground-auth-modal__widget .playground-telegram-login iframe{max-width:100%}.playground-auth-modal__footnote{margin:14px 0 0;text-align:center;font-size:12px;line-height:1.4;color:var(--text-tertiary,var(--text-secondary))}.miniapp-overlay-root .playground-auth-modal__backdrop{position:absolute;inset:0}.playground-login-modal__widget{display:flex;flex-direction:column;align-items:center;gap:12px;margin-top:14px;width:100%}.playground-login-modal__widget .playground-telegram-login{align-items:center;width:100%}.playground-login-modal__widget .playground-telegram-login>div:first-child{display:flex;justify-content:center;width:100%}.playground-login-modal__widget .playground-telegram-login iframe{max-width:100%}@media (min-width:640px){.playground-guest-login{flex-direction:row;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px 16px;padding:12px 14px}.playground-guest-login__copy{flex:1 1 200px;max-width:62%}.playground-guest-login__cta{align-self:center}.playground-guest-login__title{font-size:15px;margin-bottom:4px}.playground-guest-login__subtitle{font-size:13px;line-height:1.45}}.playground-telegram-login__fallback{display:flex;flex-direction:column;gap:10px;max-width:320px}.playground-telegram-login__hint{margin:0;font-size:13px;line-height:1.45;color:var(--text-secondary)}.playground-login{min-height:100dvh;display:flex;align-items:center;justify-content:center;padding:24px;background:var(--background)}.playground-login__card{width:min(420px,100%);padding:32px 24px;border-radius:var(--radius-card-lg);border:none;background:var(--glass-bg-strong);box-shadow:var(--glass-shadow);text-align:center}.playground-login__card h1{font-family:var(--font-heading);font-size:24px;margin:0 0 8px}.playground-login__card p{margin:0 0 20px;color:var(--text-secondary);font-size:15px}.playground-models-page{max-width:960px;width:100%;margin:0 auto;padding:16px 16px calc(32px + env(safe-area-inset-bottom, 0px));overflow-x:hidden}.playground-plans-page{width:100%;max-width:min(1120px,100%);margin:0 auto;padding:8px 16px calc(32px + env(safe-area-inset-bottom, 0px));box-sizing:border-box}.playground-plans-page__head{margin-bottom:20px}.playground-plans-page__head h1{font-family:var(--font-heading);font-size:clamp(22px,4vw,32px);margin:0 0 8px;letter-spacing:-.02em}.playground-plans-page__head p{margin:0;max-width:42rem;font-size:clamp(14px,2vw,16px);line-height:1.5;color:var(--text-secondary)}.playground-plans-page__layout{display:flex;flex-direction:column;gap:24px}.playground-plans-page__top{display:flex;flex-direction:column;gap:12px;width:100%;min-width:0}.playground-plans-page__catalog{display:grid;grid-gap:12px;gap:12px;grid-template-columns:minmax(0,1fr);min-width:0;width:100%}.playground-plans-page__catalog .miniapp-hint,.playground-plans-page__catalog .miniapp-tabs{grid-column:1/-1}.playground-plans-page__catalog .billing-plans-catalog{display:contents}.playground-plans-page__catalog .miniapp-tabs{margin-top:0;max-width:100%;width:100%}.playground-plans-page__catalog .miniapp-hint{margin:0;font-size:14px;line-height:1.45}.playground-plans-page__catalog .card.miniapp-plan-card{margin:0;height:auto;display:flex;flex-direction:column;gap:12px;padding:18px 16px 16px;background:var(--paper-2,var(--card-borderless-bg));border:1px solid color-mix(in srgb,var(--border) 40%,transparent);box-shadow:none}.playground-plans-page__catalog .miniapp-plan-card--recommended{border-color:color-mix(in srgb,var(--accent,#2aabee) 35%,var(--border));background:color-mix(in srgb,var(--paper-2,var(--card-borderless-bg)) 88%,var(--accent,#2aabee) 12%)}.playground-plans-page__catalog .miniapp-plan-card--current{border:2px solid color-mix(in srgb,var(--text) 22%,var(--border));background:var(--paper-3,var(--card-borderless-bg-elevated))}.playground-plans-page__catalog .miniapp-plan-card__head{gap:12px}.playground-plans-page__catalog .miniapp-plan-card__cta{width:100%;margin-top:auto;padding-top:4px}.playground-plans-page__catalog .miniapp-plan-card__footnote,.playground-plans-page__catalog .miniapp-plan-card__tagline{margin-bottom:0}.playground-plans-page__top .card:first-child,.playground-plans-page__top>.card{margin:0;background:var(--paper-2,var(--card-borderless-bg));border:1px solid color-mix(in srgb,var(--border) 40%,transparent);box-shadow:none}.playground-plans-page__guest-hint{display:flex;flex-direction:column;gap:12px;margin:0;padding:16px}.playground-plans-page__guest-hint p{margin:0;font-size:14px;line-height:1.45;color:var(--text-secondary)}.playground-plans-page__legal{margin-top:0;width:100%}.playground-plans-page .legal-consent{margin:0}.playground-plans-page .compact-inline-error{margin-bottom:16px}@media (min-width:640px){.playground-plans-page{padding-inline:24px}.playground-plans-page__catalog{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.playground-plans-page__catalog .card.miniapp-plan-card{height:100%}.playground-plans-page__catalog .miniapp-tabs{max-width:24rem}.playground-plans-page__guest-hint{flex-direction:row;align-items:center;justify-content:space-between;gap:16px;padding:18px 20px}.playground-plans-page__guest-hint p{flex:1 1 auto}.playground-plans-page__guest-hint .app-pill-btn{flex:0 0 auto}}@media (min-width:900px){.playground-plans-page{padding-top:20px}.playground-plans-page__layout{gap:28px}.playground-plans-page__top{gap:14px}}@media (min-width:1100px){.playground-plans-page{padding:28px 40px 48px}.playground-plans-page__head{margin-bottom:28px}.playground-plans-page__catalog{grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}}.playground-models-page h1{font-family:var(--font-heading);font-size:clamp(22px,5vw,28px);margin:0 0 8px}.playground-models-page__search{width:100%;margin-top:16px;box-sizing:border-box}.playground-models-filters{display:flex;flex-wrap:wrap;gap:8px;margin:16px 0 20px}.playground-models-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,240px),1fr));grid-gap:12px;gap:12px}.playground-model-card{display:flex;flex-direction:column;gap:8px;padding:16px;border:none;border-radius:var(--playground-fill-radius);background:var(--paper-2,var(--card-borderless-bg));text-align:left;cursor:pointer;transition:background .15s ease}.playground-model-card:hover{background:var(--paper-3,var(--card-borderless-bg-elevated))}.playground-model-card h3{margin:0;font-size:16px}.playground-model-card p{margin:0;font-size:13px;color:var(--text-secondary);line-height:1.45}.playground-model-card__meta{font-size:12px;font-weight:600;color:var(--text-secondary)}.landing-hero-teaser{margin-top:24px;padding:16px;border-radius:var(--radius-card-lg);border:none;background:var(--landing-glass-bg,var(--glass-bg));-webkit-backdrop-filter:blur(var(--glass-blur));backdrop-filter:blur(var(--glass-blur))}.landing-hero-teaser__hint{margin:0 0 12px;font-size:.8125rem;font-weight:600;color:var(--text-secondary)}.landing-hero-teaser__input{width:100%;min-height:52px;resize:vertical;padding:14px 16px;border-radius:var(--radius-field);border:none;background:var(--surface);color:var(--text);font-size:16px;font-family:var(--font-body)}.landing-hero-teaser__actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:12px}.landing-hero-teaser__picks{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}.landing-hero-teaser__pick{font-size:12px;color:var(--text-secondary);padding:6px 10px;border-radius:var(--radius-pill);background:color-mix(in srgb,var(--surface-muted) 80%,transparent)}[data-theme=dark] .playground-composer-card,[data-theme=dark] .playground-composer-stack,[data-theme=dark] .playground-guest-login,[data-theme=dark] .playground-model-picker__menu,[data-theme=dark] .playground-profile-menu__popup{border-color:color-mix(in srgb,var(--border) 35%,transparent)}[data-theme=dark] .playground-root{--playground-sidebar-bg:#212121;--playground-main-bg:#171717}@media (max-width:479px){.playground-chat{padding:0 12px 12px}.playground-empty-stage{gap:12px}.playground-guest-login__cta{width:100%;align-self:stretch;min-height:44px}.playground-quick-pick{min-height:36px;font-size:13px}.playground-composer-card .playground-model-picker__menu{left:0;right:0;width:auto;max-width:none}}@media (min-width:768px) and (max-width:959px){.playground-chat{padding-inline:20px}}@media (min-width:960px){.playground-chat{padding-inline:24px}.playground-models-page,.playground-plans-page{padding-top:32px;padding-bottom:48px}}@media (min-width:1200px){.playground-root{--playground-column-max:51.25rem}}.playground-root :where(a.playground-upsell__link,.playground-sidebar__item,.playground-sidebar__chat-row,.playground-sidebar__project-head,.playground-profile-menu__item,.playground-model-option,.playground-quick-pick,.playground-model-picker__trigger,.playground-sidebar__collapse,.playground-sidebar__chat-delete,.playground-sidebar__project-toggle,.playground-sidebar__project-name,.playground-sidebar__project-new,.playground-sidebar__project-menu-btn,.playground-mobile-bar__menu,.playground-profile-menu__trigger,.playground-guest-login__cta,.playground-models-filters .playground-quick-pick){border-radius:var(--playground-pill-radius)}.playground-root button:not(.playground-fill):not(.playground-scrim){border-radius:var(--playground-pill-radius)}.playground-root--drawer-open .playground-main{pointer-events:none}.playground-root .app-pill-btn,.playground-root .chat-stream__send,.playground-root .chat-stream__stop{border-radius:var(--playground-pill-radius)}.playground-root .miniapp-plan-card,.playground-root .playground-composer-card.playground-fill,.playground-root .playground-fill:not(.playground-composer-card--pill),.playground-root .playground-model-card,.playground-root .playground-plans-page__guest-hint{border-radius:var(--playground-fill-radius)}.playground-messages .chat-stream__scroll{position:static;inset:unset;flex:none;min-height:0;height:auto;overflow:visible;padding:0}.playground-messages .chat-stream__groups{width:100%;max-width:100%;box-sizing:border-box}.playground-messages .chat-stream__group{max-width:85%;overflow-wrap:anywhere;word-break:break-word}.playground-chat{position:relative}.playground-chat__switch-overlay{position:absolute;inset:0;z-index:30;display:flex;align-items:center;justify-content:center;background:color-mix(in srgb,var(--playground-main-bg,var(--background)) 72%,transparent);pointer-events:auto}.playground-chat__jump-btn{position:-webkit-sticky;position:sticky;bottom:calc(120px + env(safe-area-inset-bottom, 0px));z-index:15;align-self:center;margin:0 auto 8px;padding:8px 14px;border-radius:var(--radius-pill);border:1px solid color-mix(in srgb,var(--border) 55%,transparent);background:var(--paper-2,var(--surface-elevated));color:var(--text-secondary);font-size:13px;cursor:pointer;font-family:inherit;box-shadow:var(--shadow-floating,0 4px 16px rgba(0,0,0,.12))}.playground-chat-error{margin:0 0 12px;padding:12px 14px;border-radius:var(--playground-fill-radius);border:1px solid color-mix(in srgb,var(--error,#e5484d) 35%,var(--border));background:color-mix(in srgb,var(--error,#e5484d) 8%,var(--paper-2,var(--surface)))}.playground-chat-error p{margin:0 0 8px;font-size:14px;line-height:1.45}.playground-chat-error__actions{display:flex;flex-wrap:wrap;gap:8px}.playground-sidebar__new-chat-wrap{position:relative}.playground-sidebar__chat-menu,.playground-sidebar__new-chat-menu{position:absolute;z-index:40;min-width:180px;padding:4px;border-radius:12px;border:1px solid color-mix(in srgb,var(--border) 45%,transparent);background:var(--paper-2,var(--surface-elevated));box-shadow:var(--shadow-floating,0 8px 24px rgba(0,0,0,.16))}.playground-sidebar__new-chat-menu{top:calc(100% + 4px);left:0}.playground-sidebar__chat-row{position:relative}.playground-sidebar__chat-menu-wrap{position:relative;flex-shrink:0}.playground-sidebar__chat-menu-btn{width:28px;height:28px;border:none;background:transparent;color:var(--text-secondary);cursor:pointer;font-family:inherit}.playground-sidebar__chat-menu{top:100%;right:0}.playground-sidebar__chat-menu button,.playground-sidebar__new-chat-menu button{width:100%;min-height:36px;padding:0 10px;border:none;background:transparent;color:var(--text);font-size:13px;text-align:left;cursor:pointer;font-family:inherit;border-radius:8px}.playground-sidebar__chat-menu button:hover,.playground-sidebar__new-chat-menu button:hover{background:var(--interactive-hover)}.playground-upsell--digest{flex-direction:column;align-items:flex-start;gap:6px;margin-top:4px}.playground-upsell--digest-text{margin:0;font-size:13px;color:var(--text-secondary);line-height:1.35}.playground-save-agent-dialog__emoji-row{display:flex;flex-wrap:wrap;gap:6px;margin:0 0 12px}.playground-save-agent-dialog__emoji{width:40px;height:40px;border:1px solid color-mix(in srgb,var(--border) 50%,transparent);border-radius:10px;background:var(--paper-3,var(--surface-muted));font-size:20px;cursor:pointer}.playground-save-agent-dialog__emoji--active{border-color:color-mix(in srgb,var(--accent,var(--text)) 55%,var(--border));box-shadow:0 0 0 2px color-mix(in srgb,var(--accent,var(--text)) 15%,transparent)}.playground-save-agent-dialog__note{margin:0 0 12px;font-size:12px;color:var(--text-secondary);line-height:1.35}.playground-save-agent-dialog{max-width:420px}.playground-save-agent-dialog__field{margin-bottom:12px}.playground-save-agent-dialog .legal-consent{margin:4px 0 14px}.playground-save-agent-dialog__input--select{-moz-appearance:none;appearance:none;-webkit-appearance:none;padding-right:36px;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none'%3E%3Cpath d='M6 9l6 6 6-6' stroke='%236b7280' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;background-size:16px 16px}.playground-save-agent-dialog__label{display:block;margin:0 0 6px;font-size:13px;color:var(--text-secondary)}.playground-save-agent-dialog__input{width:100%;box-sizing:border-box;min-height:44px;margin-bottom:12px;padding:10px 12px;border-radius:var(--playground-fill-radius);border:1px solid color-mix(in srgb,var(--border) 55%,transparent);background:var(--paper-3,var(--surface-muted));color:var(--text);font-size:15px;font-family:inherit}.playground-save-agent-dialog__actions{display:flex;justify-content:flex-end;gap:8px}.playground-chat-search-dialog{width:min(480px,calc(100vw - 32px));max-width:480px}.playground-chat-search-dialog__field{margin-bottom:12px}.playground-chat-search-dialog__input{width:100%;box-sizing:border-box;min-height:44px;margin:0 0 12px;padding:10px 14px;border-radius:var(--playground-pill-radius);border:1px solid color-mix(in srgb,var(--border) 55%,transparent);background:var(--paper-3,var(--surface-muted));color:var(--text);font-size:15px;font-family:inherit}.playground-chat-search-dialog__input:focus{outline:none;border-color:color-mix(in srgb,var(--accent,var(--text)) 45%,var(--border));box-shadow:0 0 0 3px color-mix(in srgb,var(--accent,var(--text)) 12%,transparent)}.playground-chat-search-dialog__results{display:flex;flex-direction:column;gap:2px;max-height:min(50vh,360px);overflow-y:auto;margin:0 -4px;padding:0 4px}.playground-chat-search-dialog__hint{margin:8px 0;font-size:13px;color:var(--text-secondary);text-align:center}.playground-chat-search-dialog__item{display:flex;flex-direction:column;gap:2px;padding:10px 12px;border-radius:10px;text-decoration:none;color:inherit}.playground-chat-search-dialog__item:focus-visible,.playground-chat-search-dialog__item:hover{background:var(--interactive-hover);outline:none}.playground-chat-search-dialog__item-title{font-size:14px;font-weight:500;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.playground-chat-search-dialog__item-meta{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--text-secondary)}.playground-chat-search-dialog__item-project{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:70%}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}