:root{color-scheme:light;--bg: #ffffff;--text: #111111;--muted: #666666;--border: #000000;--user: #f5f5f5;--assistant: #ffffff;--system: #ffffff;--panel-bg: #ffffff;--bubble-bg: #f3f3f3;--button-bg: #ffffff;--toggle-bg: #ffffff}:root.theme-dark{color-scheme:dark;--bg: #111111;--text: #f5f5f5;--muted: #b3b3b3;--border: #f5f5f5;--user: #1d1d1d;--assistant: #1d1d1d;--system: #1d1d1d;--panel-bg: #151515;--bubble-bg: #1d1d1d;--button-bg: #1a1a1a;--toggle-bg: #1a1a1a}*{box-sizing:border-box}html,body,#root{min-height:100%;margin:0;height:100%}body{font-family:Arial,Helvetica,sans-serif;background:var(--bg);color:var(--text)}button,input,textarea{font:inherit}.shell{height:100vh;min-height:100vh;padding:32px 32px 32px 144px;display:grid;place-items:center;overflow:hidden}.left-rail{position:fixed;top:0;left:0;z-index:10;width:104px;height:100vh;padding:12px 2px;border:none;background:#bdbdbd;display:flex;flex-direction:column;gap:12px;align-items:stretch;justify-content:flex-start}.mobile-rail-toggle{display:none}:root.theme-dark .left-rail{background:#2a2a2a}.rail-bottom-actions{margin-top:auto;display:flex;flex-direction:column;gap:12px}.rail-button{width:100%;box-sizing:border-box;min-height:64px;border:1px solid var(--border);border-radius:14px;background:var(--button-bg);color:var(--text);cursor:pointer;display:grid;place-items:center;padding:8px 0;text-align:center}.rail-button--theme{background:var(--toggle-bg)}.rail-button__label{display:block;font-size:1rem;line-height:1.1;font-weight:700}.rail-button--star .rail-button__label,.rail-button--info .rail-button__label{font-size:1.3rem}.rail-button__label--home{font-size:2rem}.rail-button:hover{opacity:.9}.hero{width:min(1120px,calc(100vw - 176px));display:grid;gap:24px;height:calc(100vh - 64px);min-height:0;grid-template-rows:auto minmax(0,1fr);align-items:stretch;justify-items:center;overflow:hidden}.hero--screen{grid-template-rows:1fr;align-content:center;justify-items:center}.chat-stack{width:100%;height:680px;max-height:100%;justify-self:center;align-self:start;display:grid;gap:4px;min-height:0}.chat-actions{display:flex;align-items:center;justify-content:flex-end;gap:10px;width:100%;margin-top:-2px}.donate-view,.info-view{width:min(820px,100%);justify-self:center;align-self:center}.history-view{width:min(760px,100%);justify-self:center;align-self:center}.info-view{justify-self:start;align-self:start}.donate-panel,.info-panel{width:100%;min-height:520px;display:grid;justify-items:center;gap:20px;border:none;box-shadow:none;background:transparent}.donate-panel{align-content:center;padding-top:24px;transform:translateY(12px);grid-template-rows:auto auto auto}.donate-panel__header{display:grid;gap:8px;justify-items:center;text-align:center}.donate-panel__header h2{margin:0;font-size:2rem}.donate-panel__content{display:grid;gap:12px;justify-items:center;text-align:center}.donate-panel__content img{width:min(260px,100%);height:auto;display:block}.info-panel{align-content:start;justify-items:start;text-align:left;padding-top:0;transform:none;grid-template-rows:auto auto}.info-panel__content{display:grid;gap:12px;justify-items:start;text-align:left}.chat-action{padding:10px 14px;border:2px solid var(--border);border-radius:999px;background:var(--button-bg);color:var(--text);cursor:pointer;font-size:1.2rem}.chat-action:hover{opacity:.9}.hero__copy{padding:0;justify-self:center;width:100%}.eyebrow{margin:0 0 10px;letter-spacing:.08em;text-transform:uppercase;color:var(--text);font-size:.75rem;font-weight:700}h1{margin:0;font-size:clamp(2rem,4vw,4rem);line-height:1.05}.subtitle{margin:14px 0 0;max-width:58ch;color:var(--muted);font-size:1rem;line-height:1.6}.panel{width:100%;height:100%;min-height:0;display:flex;flex-direction:column;gap:18px;padding:24px;border:2px solid var(--border);border-radius:24px;background:var(--panel-bg);box-shadow:none;-webkit-backdrop-filter:none;backdrop-filter:none}.messages{flex:1;min-height:0;width:100%;overflow-y:auto;overflow-x:hidden;scroll-behavior:smooth;display:grid;align-content:start;justify-items:start;gap:16px;margin-top:12px;padding:6px 6px 0}.bubble{display:inline-block;width:fit-content;max-width:70%;padding:8px 12px;border-radius:12px;line-height:1.55;font-size:1.05rem;white-space:pre-wrap;word-break:break-word;border:1px solid var(--border);background:var(--bubble-bg)}.bubble--user{justify-self:end;background:var(--bubble-bg)}.bubble--assistant,.bubble--system{justify-self:start;background:var(--bubble-bg)}.composer{display:grid;grid-template-columns:1fr auto;padding:12px;border-radius:16px;background:var(--panel-bg);border:1px solid var(--border);overflow:hidden}.bubble--thinking{opacity:.8;font-style:italic}.thinking-text{display:inline-flex;align-items:baseline;gap:.05em}.thinking-dots{display:inline-flex;align-items:baseline}.thinking-dots__dot{display:inline-block;animation:thinking-dot-bounce .9s ease-in-out infinite;will-change:transform}@keyframes thinking-dot-bounce{0%,80%,to{transform:translateY(0)}40%{transform:translateY(-.22em)}}.composer__input{min-width:0;padding:16px 18px;border:0;border-radius:12px;background:var(--button-bg);color:var(--text);outline:none;font-size:1.05rem;line-height:1.45;max-height:calc(4.5675rem + 32px);overflow-y:auto;resize:none}.composer__input::placeholder{color:#888}.composer__input:focus{border-color:var(--border);box-shadow:none}.composer__button{padding:0 24px;border:0;border-left:1px solid var(--border);border-radius:0;background:var(--button-bg);color:var(--text);font-weight:700;cursor:pointer;font-size:1.05rem;transition:opacity .16s ease}.composer__button:hover:not(:disabled){opacity:.8}.composer__button:disabled{opacity:.56;cursor:not-allowed}.history-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:20;display:grid;place-items:center;padding:20px;background:rgba(0,0,0,.38)}.history-panel{width:min(760px,100%);max-height:min(80vh,820px);display:grid;grid-template-rows:auto 1fr;gap:16px;padding:20px;border:2px solid var(--border);border-radius:24px;background:var(--panel-bg);color:var(--text);box-shadow:none}.history-panel--screen{max-height:none;height:min(80vh,820px)}.history-panel--modal{width:min(920px,100%);max-height:min(88vh,920px)}.history-panel__header{display:flex;align-items:start;justify-content:space-between;gap:16px}.history-panel__actions{display:flex;align-items:center;gap:10px}.history-panel__eyebrow{margin:0 0 6px;color:var(--muted);font-size:.75rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase}.history-panel h2{margin:0;font-size:1.4rem}.history-panel__close,.history-panel__back,.history-panel__clear{padding:10px 14px;border:1px solid var(--border);border-radius:999px;background:var(--button-bg);color:var(--text);cursor:pointer}.history-panel__clear:disabled{opacity:.5;cursor:not-allowed}.history-panel__list{min-height:0;height:100%;overflow:auto;display:grid;gap:12px;padding-right:4px;justify-items:start;align-content:start}.history-panel__list--empty{height:100%}.history-panel__content{min-height:0;height:100%;display:grid;grid-template-columns:minmax(280px,360px) minmax(0,1fr);gap:16px;align-items:stretch}.history-panel__content--single{grid-template-columns:1fr}.history-panel__list--center{justify-items:center;align-content:center;text-align:center}.history-conversation{width:max-content;max-width:100%;padding:12px 16px;border:0;border-radius:18px;background:var(--bubble-bg);color:var(--text);text-align:left;cursor:pointer;justify-self:start;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:12px;align-items:start}.history-conversation:hover{opacity:.92}.history-conversation--active{background:color-mix(in srgb,var(--bubble-bg) 82%,var(--text) 18%)}.history-conversation__title{font-weight:700;line-height:1.35;min-width:0}.history-conversation__time{color:var(--muted);font-size:.75rem;white-space:nowrap;text-align:right;justify-self:end;align-self:start}.history-panel__more{width:100%;padding:12px 14px;border:1px solid var(--border);border-radius:14px;background:var(--button-bg);color:var(--text);cursor:pointer}.history-panel__more:hover{opacity:.9}.history-panel__empty{margin:0;color:var(--muted)}.history-panel__empty--panel{text-align:left;padding:0;justify-self:start}.history-detail{display:grid;gap:12px;min-height:0;height:100%}.history-detail__meta{display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px 12px;color:var(--muted);font-size:.78rem}.history-detail__messages{display:grid;gap:12px;overflow:auto;padding-right:4px;min-height:0}.history-detail__empty{min-height:100%;gap:12px}.history-detail__message{padding:14px 16px;border:1px solid var(--border);border-radius:16px;background:var(--bubble-bg)}.history-detail__message-role{margin-bottom:8px;color:var(--muted);font-size:.78rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em}.history-detail__message-text{white-space:pre-wrap;word-break:break-word;line-height:1.55}.history-detail__message--user{background:color-mix(in srgb,var(--bubble-bg) 84%,var(--text) 16%)}.history-detail__message--assistant{background:color-mix(in srgb,var(--bubble-bg) 92%,var(--bg) 8%)}.history-detail__message--system{background:color-mix(in srgb,var(--bubble-bg) 88%,var(--border) 12%)}.history-item{padding:14px 16px;border:1px solid var(--border);border-radius:16px;background:var(--bubble-bg)}.history-item__meta{display:flex;flex-wrap:wrap;gap:8px 12px;align-items:center;justify-content:space-between;margin-bottom:8px;font-size:.78rem;color:var(--muted)}.history-item__role{text-transform:uppercase;font-weight:700;letter-spacing:.08em}.history-item__time{min-height:1em}.history-item__text{margin:0;white-space:pre-wrap;word-break:break-word;line-height:1.55}.history-item--user{background:color-mix(in srgb,var(--bubble-bg) 84%,var(--text) 16%)}.history-item--assistant{background:color-mix(in srgb,var(--bubble-bg) 92%,var(--bg) 8%)}.history-item--system{background:color-mix(in srgb,var(--bubble-bg) 88%,var(--border) 12%)}@media (max-width: 720px){.shell{height:100dvh;min-height:100dvh;padding:16px;overflow:hidden;position:relative}.mobile-rail-toggle{position:fixed;top:calc(env(safe-area-inset-top) + 2px);left:0;z-index:999;width:fit-content;height:auto;padding:4px 10px 2px;border:2px solid var(--border);border-left:0;border-radius:0 14px 14px 0;background:var(--button-bg);cursor:pointer;touch-action:manipulation;display:flex;align-items:center;justify-content:center;box-shadow:0 2px #0000002e;-webkit-tap-highlight-color:transparent;white-space:nowrap;transition:left .22s ease}.mobile-rail-toggle--open{left:104px}.mobile-rail-toggle:focus-visible{outline:2px solid var(--border);outline-offset:2px}.mobile-rail-toggle__fallback{display:inline-block;font-size:1.8rem;line-height:1;font-weight:700;transform:translateY(-1px);width:auto}.left-rail{top:0;left:0;right:auto;bottom:0;width:104px;height:100dvh;padding:calc(env(safe-area-inset-top) + 12px) 2px 12px;border:none;border-radius:0;flex-direction:column;align-items:stretch;overflow:hidden;transition:transform .22s ease;will-change:transform;z-index:40}.left-rail--mobile-collapsed{transform:translate(-100%);pointer-events:none}.left-rail--mobile-open{pointer-events:auto;transform:translate(0)}.rail-bottom-actions{margin-top:auto;flex-direction:column}.rail-button{width:100%;min-width:0;min-height:64px}.hero{width:100%;height:calc(100dvh - 104px);min-height:0}.panel{height:100%;padding:14px;border-radius:20px}.chat-stack{width:100%;height:100%}.chat-actions{flex-wrap:wrap}.history-panel{padding:16px;border-radius:20px}.history-panel__header{flex-direction:column;align-items:stretch}.history-panel__actions{justify-content:flex-end;flex-wrap:wrap}.history-panel__content{grid-template-columns:1fr}.history-panel--modal{width:min(100%,920px);max-height:calc(100dvh - 32px)}.history-panel__back,.history-panel__clear,.history-panel__close{padding:9px 12px}.composer{grid-template-columns:1fr;border-radius:16px}.composer__button{min-height:48px}}