/* v3.19.280 — Floating study companion. Scoped to preserve the main AI hub. */
.ai-chat-redesign{--at-ink:#193a34;--at-muted:#62766e;--at-paper:#fffcf5;--at-line:#e1e8df;--at-green:#176c53;--at-soft:#edf3e9;right:24px;bottom:84px;gap:12px;font-family:inherit}
.ai-chat-redesign .ai-chat-backdrop{display:none;position:fixed;inset:0;background:rgba(17,39,33,.12);z-index:-1}
.ai-chat-redesign.is-open .ai-chat-backdrop{display:block}
.ai-chat-redesign .ai-chat-floating-toggle{width:auto!important;height:62px!important;border-radius:21px!important;display:flex;gap:11px;padding:8px 17px 8px 8px;background:#173f35;border:1px solid #48735c;box-shadow:0 9px 28px #193b3430;color:#fffaf0}
.ai-chat-redesign .ai-chat-floating-toggle::after{display:none}
.ai-chat-redesign .ai-chat-floating-icon{width:44px!important;height:44px!important;border-radius:15px;background:#f3edce;padding:4px;filter:none}
.ai-chat-redesign .ai-launcher-copy{display:grid;text-align:left;gap:2px}
.ai-chat-redesign .ai-launcher-copy strong{font-size:14px;line-height:1.3;letter-spacing:.02em;color:#fffaf0}
.ai-chat-redesign .ai-launcher-copy small{font-size:10px;line-height:1.4;color:#d2e4d5}
.ai-chat-redesign .ai-chat-floating-badge{background:#e9ce7d;color:#173f35;top:-6px;right:-5px;bottom:auto;width:22px;height:22px;font-size:13px;box-shadow:none}
.ai-chat-redesign .ai-chat-floating-panel{width:min(420px,calc(100vw - 32px));height:min(720px,calc(var(--ai-vv-height,100dvh) - 172px));border-radius:25px;border:1px solid #c6d6c7;background:var(--at-paper)!important;box-shadow:0 24px 85px #163a3430,0 4px 16px #163a341a;color:var(--at-ink)}
.ai-chat-redesign .ai-chat-floating-panel:not([hidden]){grid-template-rows:auto auto minmax(0,1fr)!important;animation:aiCompanionIn .18s ease-out}
.ai-chat-redesign .ai-chat-floating-head{padding:19px 17px!important;min-height:102px!important;background:#173f35;gap:12px;box-shadow:none!important;overflow:hidden!important}
.ai-chat-redesign .ai-head-avatar{display:grid;place-items:center;flex:0 0 49px;width:49px;height:53px;background:#f0dfb4;color:#234d3c;border-radius:17px 17px 9px 17px;font-size:31px;line-height:1;font-weight:500;box-shadow:inset 0 0 0 4px #fff7dd55}
.ai-chat-redesign .ai-chat-floating-head .ai-head-copy{flex:1;gap:4px}
.ai-chat-redesign .ai-chat-floating-head .ai-head-eyebrow{display:flex;align-items:center;gap:8px;color:#cee3d1;font-size:8px;letter-spacing:.12em;font-weight:700}
.ai-chat-redesign .ai-head-eyebrow b{padding:3px 5px;border:1px solid #62816e;border-radius:5px;font-size:8px;letter-spacing:.03em;max-width:110px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.ai-chat-redesign .ai-chat-floating-head strong{font-size:21px;color:#fff9e8;font-weight:800;letter-spacing:-.02em}
.ai-chat-redesign .ai-chat-floating-head small{font-size:10px;line-height:1.5;color:#d1e5d7;font-weight:400}
.ai-chat-redesign .ai-chat-floating-head [data-ai-floating-close]{width:36px!important;height:36px!important;min-width:36px!important;min-height:36px!important;flex-basis:36px!important;border:1px solid #79947e66!important;background:#ffffff0c!important;box-shadow:none!important;border-radius:50%!important;font-size:24px!important}
.ai-chat-redesign .ai-chat-toolbar{display:flex;align-items:center;gap:12px;padding:8px 15px;border-bottom:1px solid var(--at-line);background:var(--at-paper);color:var(--at-muted);min-height:44px}
.ai-chat-redesign .ai-memory-note{display:flex;align-items:center;gap:6px;font-size:10px;flex:1}
.ai-chat-redesign .ai-memory-note i{width:6px;height:6px;flex:none;border-radius:50%;background:#689674}
.ai-chat-redesign .ai-chat-toolbar button,.ai-chat-redesign .ai-chat-toolbar a{border:0;background:transparent;color:var(--at-green);font:inherit;font-size:11px;font-weight:700;cursor:pointer;min-height:30px;padding:4px;text-decoration:none}
.ai-chat-redesign .ai-chat-toolbar a{font-size:21px;line-height:1;min-width:30px;text-align:center}
.ai-chat-redesign .ai-chat-toolbar button:disabled{opacity:.4;cursor:default}
.ai-chat-redesign .ai-chat-floating-panel>[data-ai-widget-content]{background:var(--at-paper)!important}
.ai-chat-redesign .ai-chat-floating-panel [data-ai-widget-content]>.ai-tutor-messages{padding:20px 16px!important;background:var(--at-paper);scrollbar-width:thin;scrollbar-color:#b4c9b8 transparent;scrollbar-gutter:auto!important;display:flex;flex-direction:column;gap:17px}
.ai-chat-redesign .ai-tutor-welcome{padding:7px 5px 2px;display:flex;flex-direction:column;align-items:center;gap:0;flex:0 0 auto;justify-content:flex-start;text-align:center;min-height:0;width:100%;margin:0 auto}
.ai-chat-redesign .ai-tutor-welcome>.ai-welcome-mark{display:grid;place-items:center;width:55px;height:55px;flex:none;margin:0 0 13px;border-radius:20px;background:#eaf0df;color:#426548;font-size:34px;font-weight:500;border:1px solid #dce6cc;transform:rotate(-7deg)}
.ai-chat-redesign .ai-welcome-eyebrow{color:var(--at-muted);font-size:8px;letter-spacing:.16em;font-weight:800}
.ai-chat-redesign .ai-tutor-welcome h2{font-size:21px;line-height:1.4;letter-spacing:-.04em;color:var(--at-ink);margin:8px 0;font-weight:800;max-width:310px}
.ai-chat-redesign .ai-tutor-welcome p{font-size:12px;line-height:1.75;max-width:285px;margin:0;color:var(--at-muted)}
.ai-chat-redesign .ai-quick-prompts{width:100%;display:grid;gap:8px;margin:22px 0 16px}
.ai-chat-redesign .ai-quick-prompt{display:flex;align-items:center;gap:11px;min-height:46px;width:100%;border:1px solid var(--at-line);border-radius:12px;padding:8px 12px;background:#fffefa;color:var(--at-ink);cursor:pointer;text-align:left;font-family:inherit;transition:background .15s,border-color .15s}
.ai-chat-redesign .ai-quick-prompt:hover{border-color:#87a890;background:#edf4e8}
.ai-chat-redesign .ai-quick-prompt span{display:grid;place-items:center;width:28px;height:28px;flex:none;border-radius:8px;background:var(--at-soft);color:#527547;font-size:16px}
.ai-chat-redesign .ai-quick-prompt b{font-size:11px;font-weight:600;line-height:1.6;flex:1}
.ai-chat-redesign .ai-quick-prompt i{font-size:16px;color:#7c9181;font-style:normal}
.ai-chat-redesign .ai-welcome-languages{color:var(--at-muted);font-size:10px;letter-spacing:.025em;line-height:1.7}
.ai-chat-redesign .ai-message{max-width:100%;gap:8px;margin:0;align-items:flex-start}
.ai-chat-redesign .ai-message>span{width:26px;height:26px;flex:0 0 26px;border-radius:9px;background:#e5edde;color:#436044;font-size:12px}
.ai-chat-redesign .ai-message>div{padding:12px 14px;border:1px solid var(--at-line);border-radius:3px 15px 15px;background:#fffefa;color:var(--at-ink);max-width:calc(100% - 34px);overflow-wrap:anywhere}
.ai-chat-redesign .ai-message p{font-size:13px;line-height:1.85;margin:0;white-space:pre-wrap}
.ai-chat-redesign .ai-message.is-user{align-self:flex-end;flex-direction:row-reverse;max-width:90%}
.ai-chat-redesign .ai-message.is-user>div{border-color:#2d7256;border-radius:15px 3px 15px 15px;background:#235b46;color:#fffaf0}
.ai-chat-redesign .ai-message.is-user>span{display:none}
.ai-chat-redesign .ai-message.is-user>div{max-width:100%}
.ai-chat-redesign .ai-reply-language+ .ai-reply-language{margin-top:12px;padding-top:10px;border-top:1px solid var(--at-line)}
.ai-chat-redesign .ai-reply-language small{display:block;font-size:9px;font-weight:800;color:var(--at-muted);margin:0 0 4px;letter-spacing:.04em}
.ai-chat-redesign .ai-thinking{font-size:12px;color:var(--at-muted);padding:6px 12px;align-self:flex-start;display:flex;align-items:center;gap:9px}
.ai-chat-redesign .ai-thinking::before{content:'';width:7px;height:7px;border-radius:50%;background:#6d986a;animation:aiThinking 1s ease-in-out infinite alternate}
.ai-chat-redesign .ai-chat-floating-panel [data-ai-widget-content]>.ai-tutor-compose{padding:12px 15px 10px!important;background:var(--at-paper)!important;border-top:1px solid var(--at-line)!important;box-shadow:none!important;gap:7px!important}
.ai-chat-redesign .ai-compose-label{font-size:10px;color:var(--at-muted)}
.ai-chat-redesign .ai-compose-input{display:flex;align-items:flex-end;gap:8px;padding:9px;background:#fffefa;border:1px solid #c4d2c1;border-radius:15px}
.ai-chat-redesign .ai-compose-input:focus-within{border-color:#487b55;box-shadow:0 0 0 3px #7395651c}
.ai-chat-redesign .ai-tutor-compose textarea[data-ai-input]{flex:1;width:0!important;min-width:0!important;height:55px!important;min-height:55px!important;max-height:100px!important;border:0!important;border-radius:0!important;background:transparent!important;color:var(--at-ink)!important;padding:4px!important;box-shadow:none!important;outline:none!important;font:inherit!important;font-size:14px!important;line-height:1.65!important;resize:none!important}
.ai-chat-redesign .ai-tutor-compose textarea[data-ai-input]::placeholder{color:var(--at-muted)!important;opacity:1}
.ai-chat-redesign .ai-compose-send{width:36px;height:36px;flex:0 0 36px;min-width:36px!important;min-height:36px;padding:0!important;border:0;border-radius:11px;background:var(--at-green);color:#fff;font-size:24px;cursor:pointer;line-height:1;box-shadow:none}
.ai-chat-redesign .ai-compose-send:disabled{opacity:.42;cursor:default}
.ai-chat-redesign .ai-tutor-compose-meta{display:flex;justify-content:space-between;flex-wrap:nowrap;gap:6px!important}
.ai-chat-redesign .ai-tutor-compose-meta span{display:block!important;color:var(--at-muted);font-size:8px;white-space:normal!important;line-height:1.5}
.ai-chat-redesign .ai-tutor-compose-meta span:last-child{white-space:nowrap!important;flex:none}
.ai-chat-redesign .ai-chat-floating-panel [data-ai-widget-content]>.ai-chat-floating-quota{display:flex!important;align-items:center;justify-content:center;gap:8px!important;min-height:34px!important;padding:8px 12px!important;background:#f2f4e9!important;border-top:1px solid var(--at-line)!important;font-size:9px;color:var(--at-muted)}
.ai-chat-redesign .ai-quota-track{display:block;width:46px;height:4px;overflow:hidden;border-radius:10px;background:#d6e0cd}
.ai-chat-redesign .ai-quota-track i{display:block;width:var(--ai-remaining,0%);height:100%;background:#779466;border-radius:inherit}
.ai-chat-redesign .ai-quota-track.is-low i{background:#ac742b}
.ai-chat-redesign .ai-chat-floating-quota b{font-weight:800;color:var(--at-ink);margin-left:4px}
.ai-chat-redesign .ai-tutor-error{font-size:11px;line-height:1.6;max-height:100px;overflow:auto;font-weight:500}
.ai-chat-redesign .ai-chat-floating-locked{padding:30px;gap:17px;background:var(--at-paper)}
.ai-chat-redesign .ai-chat-floating-locked>span{background:var(--at-soft);color:var(--at-green);font-size:32px}
.ai-chat-redesign .ai-chat-floating-locked h3{font-size:21px;color:var(--at-ink);line-height:1.5}
.ai-chat-redesign .ai-chat-floating-locked p{font-size:13px;color:var(--at-muted)}
.ai-chat-redesign .ai-chat-floating-locked .btn{background:var(--at-green);color:#fff;border-color:var(--at-green);border-radius:12px;font-size:13px}
.ai-chat-redesign :is(button,a,[tabindex]):focus-visible{outline:3px solid #b28e35!important;outline-offset:3px}
@keyframes aiCompanionIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}
@keyframes aiThinking{to{opacity:.25}}
html[data-theme="dark"] .ai-chat-redesign{--at-ink:#e1ecdd;--at-muted:#adbdae;--at-paper:#1b2923;--at-line:#3a4b40;--at-green:#317756;--at-soft:#293c2d}
html[data-theme="dark"] .ai-chat-redesign :is(.ai-quick-prompt,.ai-message>div,.ai-compose-input){background:#24372a}
html[data-theme="dark"] .ai-chat-redesign .ai-chat-floating-panel [data-ai-widget-content]>.ai-chat-floating-quota{background:#233328!important}
@media(max-width:700px){.ai-chat-redesign:not(.is-open) .ai-chat-floating-toggle{width:54px!important;height:54px!important;padding:5px;border-radius:18px!important}.ai-chat-redesign .ai-launcher-copy{display:none}.ai-chat-redesign:not(.is-open) .ai-chat-floating-icon{width:42px!important;height:42px!important}.ai-chat-redesign .ai-chat-floating-badge{font-size:12px!important}}
@media(max-width:620px){
  html.ai-tutor-overlay-open,html.ai-tutor-overlay-open body{overflow:hidden}
  .ai-chat-redesign.is-open .ai-chat-floating-panel{width:100%;height:100%;border-radius:21px;grid-template-rows:auto auto minmax(0,1fr)!important}
  .ai-chat-redesign .ai-chat-floating-head{padding:14px!important;min-height:89px!important}
  .ai-chat-redesign .ai-chat-toolbar{padding:6px 13px;gap:8px}
  .ai-chat-redesign .ai-chat-floating-panel [data-ai-widget-content]>.ai-tutor-messages{padding:16px 12px!important}
  .ai-chat-redesign .ai-tutor-compose textarea[data-ai-input]{font-size:16px!important;height:53px!important;min-height:53px!important}
  .ai-chat-redesign .ai-chat-floating-panel [data-ai-widget-content]>.ai-tutor-compose{padding:10px 12px!important}
  .ai-chat-redesign .ai-compose-send{width:40px;height:40px;flex-basis:40px}
  .ai-chat-redesign .ai-tutor-welcome h2{font-size:22px}
  .ai-chat-redesign .ai-quick-prompts{margin-top:20px}
}
@media(max-height:520px){.ai-chat-redesign .ai-chat-floating-head{min-height:65px!important;padding:9px 13px!important}.ai-chat-redesign .ai-head-avatar{width:36px;height:39px;flex-basis:36px;font-size:25px}.ai-chat-redesign .ai-head-copy small{display:none}.ai-chat-redesign .ai-chat-toolbar{min-height:36px;padding-top:2px;padding-bottom:2px}.ai-chat-redesign .ai-compose-label,.ai-chat-redesign .ai-tutor-compose-meta{display:none}.ai-chat-redesign .ai-chat-floating-panel [data-ai-widget-content]>.ai-tutor-compose{padding:7px 10px!important}.ai-chat-redesign .ai-tutor-compose textarea[data-ai-input]{height:38px!important;min-height:38px!important}}
@media(prefers-reduced-motion:reduce){.ai-chat-redesign *,.ai-chat-redesign *::before{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
/* The legacy palette and discovery sheets apply global !important button styles. */
html body .ai-chat-redesign *{text-shadow:none!important;-webkit-text-fill-color:currentColor}
html body .ai-chat-redesign .ai-chat-floating-toggle{width:auto!important;height:62px!important;min-width:0!important;padding:8px 17px 8px 8px!important;background:#173f35!important;border:1px solid #48735c!important;box-shadow:0 9px 28px #193b3430!important;color:#fffaf0!important}
html body .ai-chat-redesign .ai-chat-floating-badge{display:grid!important}
html body .ai-chat-redesign .ai-chat-floating-toggle .ai-chat-floating-icon{width:44px!important;height:44px!important;max-width:44px!important;min-width:44px;display:grid!important}
html body .ai-chat-redesign .ai-chat-floating-icon :is(picture,img){width:100%!important;height:100%!important;max-width:100%!important;display:block;object-fit:contain;filter:none!important}
html body .ai-chat-redesign .ai-launcher-copy small{color:#d1e5d7!important}
html body .ai-chat-redesign .ai-chat-floating-panel{background:var(--at-paper)!important}
html body .ai-chat-redesign .ai-chat-toolbar button{background:transparent!important;color:var(--at-green)!important;box-shadow:none!important;border:0!important;border-radius:7px!important}
html body .ai-chat-redesign .ai-chat-toolbar a{color:var(--at-green)!important}
html body .ai-chat-redesign .ai-quick-prompt{background:var(--at-paper)!important;color:var(--at-ink)!important;box-shadow:none!important;border-color:var(--at-line)!important}
html body .ai-chat-redesign .ai-quick-prompt:hover{background:var(--at-soft)!important;border-color:#88a481!important}
html body .ai-chat-redesign .ai-quick-prompt b{color:var(--at-ink)!important}
html body .ai-chat-redesign .ai-tutor-welcome h2{color:var(--at-ink)!important}
html body .ai-chat-redesign :is(.ai-tutor-welcome p,.ai-welcome-eyebrow,.ai-welcome-languages,.ai-compose-label,.ai-tutor-compose-meta span){color:var(--at-muted)!important}
html body .ai-chat-redesign .ai-chat-floating-head :is(small,.ai-head-eyebrow){color:#d1e5d7!important}
html body .ai-chat-redesign .ai-chat-floating-head strong{color:#fff9e8!important}
html body .ai-chat-redesign .ai-chat-floating-head [data-ai-floating-close]{color:#fff!important}
html body .ai-chat-redesign .ai-chat-floating-head [data-ai-floating-close]:hover{background:#ffffff26!important}
html body .ai-chat-redesign #ai-floating-dialog .ai-compose-send{background:var(--at-green)!important;color:#fff!important;box-shadow:none!important}
html body .ai-chat-redesign .ai-tutor-compose-meta span{visibility:visible!important}
html body .ai-chat-redesign .ai-chat-floating-locked .btn{background:var(--at-green)!important;color:#fff!important}
html body .ai-chat-redesign .ai-message.is-user p{color:#fffaf0!important}
html body .ai-chat-redesign .ai-message.is-assistant p{color:var(--at-ink)!important}
@media(min-width:621px){.ai-chat-redesign .ai-tutor-welcome>.ai-welcome-mark{width:42px;height:42px;font-size:28px;margin-bottom:8px}.ai-chat-redesign .ai-quick-prompts{margin:16px 0 12px}}
@media(max-width:700px){html body .ai-chat-redesign:not(.is-open) .ai-chat-floating-toggle{width:54px!important;height:54px!important;min-width:54px!important;padding:4px!important}html body .ai-chat-redesign:not(.is-open) .ai-chat-floating-toggle .ai-chat-floating-icon{width:42px!important;height:42px!important;min-width:42px}}
@media(max-width:620px){html body .ai-chat-redesign.is-open .ai-chat-floating-toggle{display:none!important}}