.v03-ai{display:grid;gap:22px}.v03-ai .ai-intro{align-items:flex-start;margin:0;padding:22px;border-radius:20px;background:linear-gradient(135deg,#edf7f6,#f6f4eb)}.v03-ai .ai-intro h2{font-size:26px;line-height:1.35;margin:7px 0 9px;letter-spacing:-.03em}.v03-ai .ai-intro p{line-height:1.7;margin:0}.v03-eyebrow{font-size:12px;letter-spacing:.035em;color:#37706c;font-weight:700}.v03-ai .ai-symbol{flex-shrink:0;background:#fff;color:#156860;border-radius:16px;width:45px;height:45px;display:grid;place-items:center}.v03-ai .ai-suggestions{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin:0}.v03-ai .ai-suggestions button{justify-content:flex-start;white-space:normal;text-align:start;min-height:54px;padding:12px 15px}.v03-ai .ui-chat:empty{display:none}.v03-ai .ui-chat{display:flex;flex-direction:column;gap:15px;max-height:none}.v03-ai .chat-bubble{max-width:94%;overflow-wrap:anywhere;line-height:1.75}.v03-ai .chat-bubble.user{align-self:flex-end}.v03-ai .chat-bubble.assistant{align-self:flex-start;padding:20px;border:1px solid #dce9e5;background:#fff;color:#24413c;border-radius:18px}.v03-ai .chat-bubble p{margin:0 0 12px}.v03-ai .ai-compose{display:block;margin:0;padding:18px;background:#fff;border:1px solid #d5e5df;border-radius:18px}.v03-ai textarea[name=question]{min-height:110px;resize:vertical;line-height:1.6}.v03-ai .ai-compose .ui-actions{margin-top:12px;display:flex;flex-wrap:wrap;gap:8px}.v03-voice-status{min-height:1.5em;font-size:12px;line-height:1.6;color:#48655d;margin:12px 0 0;overflow-wrap:anywhere}.v03-voice-global{position:fixed;inset-inline:20px;bottom:95px;z-index:60;background:white;padding:12px 18px;border:1px solid #d5e5df;border-radius:12px}.v03-ai .ai-source-note{margin:0;align-items:flex-start;font-size:12px;line-height:1.65;color:#667871}.v03-ai .ai-source-note svg{flex-shrink:0}.v03-ai .ai-citations{display:flex;flex-direction:column;gap:4px;align-items:flex-start;line-height:1.5;font-size:11px;color:#697b73}.v03-ai .ai-citations span{display:flex;align-items:flex-start;gap:6px}.v03-ai .ai-citations svg{width:14px;flex-shrink:0}.ai-next-label{font-size:12px;font-weight:700;color:#315d50;margin:15px 0 9px}.v03-handoff{border:1px solid #e0e8e3;background:#fafcf9;border-radius:16px}.v03-handoff>summary{display:flex;align-items:center;gap:10px;cursor:pointer;padding:18px;font-weight:650;font-size:14px;line-height:1.5;list-style:none}.v03-handoff>summary:after{content:'+';margin-inline-start:auto;font-size:22px}.v03-handoff[open]>summary:after{content:'−'}.v03-handoff-body{padding:0 18px 18px}.v03-handoff-body>p,.v03-recipient{font-size:13px;line-height:1.65}.v03-handoff .check-field{margin:14px 0;align-items:flex-start}.v03-original{margin-top:18px;font-size:12px;line-height:1.7}.v03-original summary{cursor:pointer}.v03-original p{white-space:pre-wrap;overflow-wrap:anywhere;padding:12px;background:#fff;border-radius:8px}.v03-ai-error{font-size:13px;color:#a02b29}.v03-ai-error:empty{display:none}.v03-voice-consent{position:fixed;inset:0;background:#10282070;display:grid;place-items:center;z-index:200;padding:20px}.v03-voice-consent>section{max-width:480px;width:100%;padding:25px;background:#fff;border-radius:20px;box-shadow:0 20px 70px #10282030}.v03-voice-consent h2{font-size:21px;margin:0 0 14px}.v03-voice-consent p{font-size:14px;line-height:1.8;margin:0 0 20px}.v03-voice-consent .ui-actions{display:flex;gap:10px;flex-wrap:wrap}[data-voice-input][aria-disabled=true]{opacity:.65}[data-voice-input][aria-pressed=true]{background:#ffede9;border-color:#ca725d;color:#953f2a}.v03-ai [dir=auto]{unicode-bidi:plaintext}@media(max-width:400px){.v03-ai .ai-intro{padding:17px}.v03-ai .ai-intro h2{font-size:23px}.v03-ai .ai-symbol{display:none}.v03-ai .ai-suggestions{gap:8px}.v03-ai .ai-suggestions button{font-size:13px}.v03-ai .chat-bubble{max-width:100%}.v03-ai .ai-compose{padding:14px}}

/* V0.4: input first, compact conversation, keyboard-aware composer. */
.v04-ai{gap:14px;min-width:0}.v04-ai .ai-intro{padding:12px 14px;gap:10px;border-radius:14px;align-items:center}.v04-ai .ai-intro h2{font-size:19px;line-height:1.4;margin:3px 0 0}.v04-ai .ai-symbol{width:34px;height:34px;border-radius:10px}.v04-ai .v03-eyebrow{font-size:11px;letter-spacing:0}.v04-ai.has-messages .ai-intro{padding:7px 0;background:none}.v04-ai.has-messages .ai-intro h2,.v04-ai.has-messages .ai-symbol{display:none}.v04-ai .ai-compose{padding:12px;border-radius:14px;position:sticky;bottom:calc(var(--ai-nav-height,74px) + var(--ai-keyboard-inset,0px) + 8px);z-index:65;box-shadow:0 4px 20px #214b5014;min-width:0}.v04-ai .ai-compose .ui-field{margin:0}.v04-ai .ai-compose .field-label,.v04-ai .ai-compose .ui-field>span:first-child{position:absolute;width:1px;height:1px;padding:0;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}.mobile-main .v04-ai textarea[name=question]{min-height:62px;max-height:128px;resize:none;overflow-y:auto;font-size:16px;line-height:1.5;padding:9px 11px;scroll-margin-block:100px}.v04-ai .ai-compose .ui-actions{margin-top:8px;gap:8px;display:flex}.v04-ai .ai-compose .ui-actions>.ui-btn{flex:1 1 90px;padding:8px 10px;min-height:44px;font-size:13px}.v04-ai .ai-compose .ui-actions>[hidden]{display:none!important}.v04-ai .ai-compose .v03-voice-status{margin-top:7px;line-height:1.5;font-size:11px;min-height:0}.v04-ai .ai-suggestions{gap:8px}.v04-ai .ai-suggestions button{min-height:44px;padding:9px 11px;font-size:13px}.v04-ai .ui-chat{scroll-margin-bottom:calc(var(--ai-compose-height,190px) + var(--ai-nav-height,74px) + 20px);padding-bottom:6px}.v04-ai .chat-bubble.assistant{padding:15px}.v04-ai .chat-bubble{max-width:100%}.v04-ai .ai-language-link{justify-self:start}.v04-ai .v03-handoff>summary{padding:14px;font-size:13px}.v04-ai-topics>summary{cursor:pointer;min-height:44px;display:flex;align-items:center;gap:8px;color:#315d50;font-size:13px;font-weight:600}.v04-ai-topics>summary:after{content:'+';margin-inline-start:auto}.v04-ai-topics[open]>summary:after{content:'−'}.v04-ai-topics .ai-suggestions{margin-top:6px}.ai-keyboard-open .mobile-bottom{visibility:hidden;pointer-events:none}.v03-voice-status:empty{display:none}.v04-voice-active{display:inline-flex;gap:8px;align-items:center}.v04-voice-active:before{content:'';width:7px;height:7px;flex:none;background:#a33f2b;border-radius:50%}.v04-voice-stop{display:block;margin-top:6px;font:inherit;min-height:40px;border:1px solid #aec6bf;border-radius:8px;padding:6px 12px;background:white;color:#315d50}.v03-voice-consent>section{max-height:calc(100dvh - 40px);overflow:auto}.v03-voice-global{bottom:calc(var(--student-bottom-height,74px) + 10px)}
@media(max-height:600px){.v04-ai .ai-compose{padding:8px}.mobile-main .v04-ai textarea[name=question]{min-height:48px;max-height:96px}.v04-ai .ai-compose .v03-voice-status{font-size:10px}}
[data-v03-voice-stop][hidden],[data-voice-status][hidden]{display:none!important}