:root{--deep:#12343b;--ink:#10252b;--paper:#f5f7f4;--white:#fff;--teal:#087f75;--coral:#ef6548;--yellow:#f3b63f;--muted:#647579;--line:#d8e0dd}
.message.owner{align-self:flex-end}.owner .bubble{color:white;background:var(--coral);border-radius:14px 14px 2px 14px;box-shadow:0 5px 16px rgba(16,37,43,.08)}.owner time{text-align:right}
*{box-sizing:border-box}html,body{height:100%;margin:0}body{overflow:hidden;color:var(--ink);background:#dce8e5;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;letter-spacing:0}.chat-app{width:min(100%,760px);height:100dvh;margin:auto;display:grid;grid-template-rows:auto 1fr auto auto auto auto;background:var(--paper);box-shadow:0 0 50px rgba(16,37,43,.15)}button,textarea,select{font:inherit}.chat-header{min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:14px;padding:9px 14px;color:white;background:var(--deep);border-bottom:3px solid var(--yellow)}.identity{min-width:0;display:flex;align-items:center;gap:10px}.identity img{width:48px;height:48px;flex:0 0 auto;object-fit:cover;object-position:center 18%;border:2px solid var(--yellow)}.identity>span{min-width:0;display:grid}.identity strong{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:15px}.identity small{display:flex;align-items:center;gap:6px;color:#cfe0dd;font-size:11px}.identity i{width:8px;height:8px;background:#39c98a;border-radius:50%}.header-tools{display:flex;align-items:center;gap:7px}.header-tools select{width:104px;min-height:40px;padding:0 26px 0 9px;color:white;background:var(--deep);border:1px solid rgba(255,255,255,.35)}.header-tools a{width:40px;height:40px;display:grid;place-items:center;color:white;border:1px solid rgba(255,255,255,.35);text-decoration:none;font-weight:800}.messages{overflow-y:auto;display:flex;flex-direction:column;gap:12px;padding:22px 16px 12px;scrollbar-width:thin}.message{max-width:88%;display:grid;gap:5px;animation:arrive .18s ease-out}.message.user{align-self:flex-end}.message.assistant{align-self:flex-start}.bubble{padding:12px 14px;line-height:1.55;font-size:15px;white-space:pre-wrap}.user .bubble{color:white;background:var(--teal);border-radius:14px 14px 2px 14px}.assistant .bubble{background:white;border:1px solid var(--line);border-left:4px solid var(--yellow);border-radius:2px 14px 14px 14px;box-shadow:0 5px 16px rgba(16,37,43,.07)}.message time{color:var(--muted);font-size:10px}.user time{text-align:right}.typing{width:64px;display:flex;gap:5px;padding:14px;background:white;border:1px solid var(--line);border-left:4px solid var(--yellow)}.typing i{width:7px;height:7px;background:var(--muted);border-radius:50%;animation:pulse .9s infinite}.typing i:nth-child(2){animation-delay:.15s}.typing i:nth-child(3){animation-delay:.3s}.suggested{display:flex;gap:8px;overflow-x:auto;padding:8px 14px 10px;scrollbar-width:thin}.suggested button{flex:0 0 auto;max-width:280px;min-height:38px;padding:8px 11px;text-align:left;color:var(--deep);background:white;border:1px solid var(--line);font-size:12px;font-weight:700;cursor:pointer}.human-row{padding:0 14px 9px}.human-row button{width:100%;min-height:48px;display:grid;grid-template-columns:32px 1fr;column-gap:8px;align-items:center;padding:7px 12px;text-align:left;color:var(--deep);background:#fff3d5;border:1px solid #e3c777;cursor:pointer}.human-row button>span{grid-row:1/3;width:28px;height:28px;position:relative;border:2px solid var(--deep);border-radius:50%}.human-row button>span::after{content:"";position:absolute;right:-2px;bottom:-1px;border:5px solid transparent;border-left-color:var(--deep);transform:rotate(38deg)}.human-row strong{font-size:13px}.human-row small{color:var(--muted);font-size:10px}.composer{display:grid;grid-template-columns:1fr 48px;gap:8px;align-items:end;padding:10px 14px;background:white;border-top:1px solid var(--line)}.composer textarea{width:100%;max-height:120px;min-height:48px;resize:none;padding:12px 13px;color:var(--ink);background:#f5f7f4;border:1px solid #bfcac6;outline:0;line-height:1.35}.composer textarea:focus{border:2px solid var(--teal)}.composer button{width:48px;height:48px;color:white;background:var(--coral);border:0;font-size:22px;cursor:pointer}.privacy-note{margin:0;padding:0 14px calc(8px + env(safe-area-inset-bottom));color:var(--muted);background:white;text-align:center;font-size:10px}.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}:focus-visible{outline:3px solid var(--yellow);outline-offset:2px}@keyframes arrive{from{opacity:0;transform:translateY(8px)}}@keyframes pulse{0%,80%,100%{opacity:.25}40%{opacity:1}}@media(max-width:520px){.chat-header{min-height:64px;padding:7px 9px}.identity img{width:42px;height:42px}.identity strong{max-width:145px;font-size:13px}.header-tools select{width:86px;min-height:38px;font-size:11px}.header-tools a{width:38px;height:38px}.messages{padding:16px 11px 8px}.bubble{font-size:14px}.suggested{padding-left:10px}.human-row,.composer{padding-left:10px;padding-right:10px}}
@media(prefers-reduced-motion:reduce){*{animation:none!important}}
.chat-app{grid-template-rows:auto 1fr auto auto auto auto auto}.start-options{display:grid;grid-template-columns:repeat(4,1fr);gap:6px;padding:8px 14px 4px}.start-options button{min-width:0;padding:9px 8px;text-align:left;color:var(--deep);background:white;border:1px solid var(--line);border-top:3px solid var(--teal);cursor:pointer}.start-options strong,.start-options span{display:block}.start-options strong{font-size:11px}.start-options span{margin-top:2px;color:var(--muted);font-size:9px;line-height:1.25}.start-options button:last-child{border-top-color:var(--coral)}.human-row{display:grid;grid-template-columns:1fr auto;gap:7px}.human-row #parent-email{width:auto;display:block;min-height:48px;padding:8px 12px;color:var(--deep);background:white;border:1px solid var(--line);font-size:11px;font-weight:800;text-align:center}.human-row #parent-email::before,.human-row #parent-email::after{display:none}
@media(max-width:520px){.start-options{grid-template-columns:1fr 1fr;padding:6px 10px 2px}.start-options span{display:none}.human-row{grid-template-columns:1fr}.human-row #parent-email{min-height:38px;width:100%}}
.suggested{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;overflow:visible;padding:8px 14px 10px}.suggested button{width:100%;min-width:0;max-width:none;min-height:42px;overflow-wrap:anywhere;white-space:normal;font-size:11px;line-height:1.25}@media(max-width:520px){.suggested{grid-template-columns:1fr 1fr;padding:7px 10px 9px}}
.human-row #human-chat{position:relative;border:2px solid #f0b625;box-shadow:0 0 0 3px rgba(240,182,37,.16),0 0 22px rgba(240,182,37,.42);animation:teacher-glow 2s ease-in-out infinite}.human-row #human-chat strong{font-size:14px}.human-row #human-chat.is-teaching{border-color:#ef7259;box-shadow:none;animation:none}.human-row #human-chat.is-teaching>span::before{background:#ef7259}@keyframes teacher-glow{0%,100%{box-shadow:0 0 0 3px rgba(240,182,37,.14),0 0 14px rgba(240,182,37,.34)}50%{box-shadow:0 0 0 5px rgba(240,182,37,.2),0 0 27px rgba(240,182,37,.65)}}@media(prefers-reduced-motion:reduce){.human-row #human-chat{animation:none}}
.header-tools a,.header-tools button{width:40px;height:40px;display:grid;place-items:center;padding:0;color:white;background:transparent;border:1px solid rgba(255,255,255,.35);text-decoration:none;font-weight:800;cursor:pointer}.header-tools #new-chat{font-size:22px}@media(max-width:520px){.header-tools a,.header-tools button{width:36px;height:38px}.header-tools{gap:5px}}
.is-embedded #nl-badge-frame{display:none!important}.is-embedded .chat-header{min-height:52px;padding:5px 7px;gap:7px}.is-embedded .identity img{display:block;width:32px;height:32px;border-width:1px}.is-embedded .identity small{display:none}.is-embedded .identity strong{max-width:88px;font-size:11px}.is-embedded .header-tools{gap:4px}.is-embedded .header-tools select{width:76px;min-height:36px;padding-left:6px;font-size:10px}.is-embedded .header-tools a,.is-embedded .header-tools button{width:34px;height:36px}
#guide-link{width:auto;min-width:40px;padding:0 10px}.is-embedded #guide-link{width:34px;min-width:34px;padding:0;font-size:0}.is-embedded #guide-link::after{content:"?";font-size:13px}
.email-intake{position:fixed;z-index:1000;inset:0;display:grid;place-items:center;padding:18px;background:rgba(10,32,37,.72);backdrop-filter:blur(5px)}.email-intake[hidden]{display:none}.email-intake-card{width:min(460px,100%);padding:26px;color:var(--ink);background:white;border-top:5px solid var(--yellow);box-shadow:0 24px 70px rgba(5,25,29,.35)}.email-intake-kicker{color:var(--teal);font-size:11px;font-weight:900;text-transform:uppercase}.email-intake h1{margin:7px 0 10px;font-size:25px;line-height:1.15}.email-intake p{margin:0 0 18px;color:var(--muted);font-size:14px;line-height:1.5}.email-intake label{display:flex;justify-content:space-between;margin-bottom:7px;font-size:13px;font-weight:800}.email-intake label small{color:var(--muted);font-weight:600}.email-intake input{width:100%;min-height:50px;padding:11px 12px;color:var(--ink);background:var(--paper);border:1px solid #aebcb8}.email-intake .email-intake-privacy{margin:8px 0 17px;font-size:11px}.email-intake-actions{display:grid;grid-template-columns:auto 1fr;gap:8px}.email-intake-actions button{min-height:46px;padding:10px 14px;border:1px solid var(--line);font-weight:800;cursor:pointer}.email-intake-actions button:first-child{color:var(--deep);background:white}.email-intake-actions button:last-child{color:white;background:var(--teal);border-color:var(--teal)}@media(max-width:520px){.email-intake{align-items:end;padding:0}.email-intake-card{padding:22px 18px calc(22px + env(safe-area-inset-bottom))}.email-intake h1{font-size:22px}.email-intake-actions{grid-template-columns:1fr}.email-intake-actions button:last-child{grid-row:1}}


/* TG_EMBEDDED_CHAT_LAYOUT_V53 */
.is-embedded body{overflow-y:auto;overflow-x:hidden;background:var(--paper)}
.is-embedded .chat-app{width:100%;min-height:100dvh;height:auto;overflow:visible;grid-template-rows:auto minmax(112px,1fr) auto auto auto auto auto;box-shadow:none}
.is-embedded .chat-header{position:sticky;top:0;z-index:20;min-width:0;display:grid;grid-template-columns:minmax(0,1fr) auto}
.is-embedded .identity{min-width:0;gap:6px}.is-embedded .identity strong{max-width:68px}.is-embedded .header-tools{min-width:0;flex-wrap:nowrap}.is-embedded #guide-link{display:none}
.is-embedded .messages{min-height:112px;padding:12px 8px 6px}.is-embedded .start-options,.is-embedded .suggested{gap:6px;padding-left:7px;padding-right:7px}.is-embedded .start-options button,.is-embedded .suggested button{min-height:46px;padding:8px}.is-embedded .human-row{padding-left:7px;padding-right:7px}.is-embedded .composer{padding:8px}
@media(max-width:380px){.is-embedded .identity strong{max-width:54px}.is-embedded .header-tools select{width:68px}.is-embedded .start-options,.is-embedded .suggested{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}}
.chat-app{grid-template-columns:minmax(0,1fr)}.chat-app,.messages,.message,.message .bubble,.chat-attachment{min-width:0}.chat-attachment{display:grid;max-width:100%;gap:8px;margin-top:8px;padding:9px;border:1px solid #bfd0cb;border-radius:11px;background:#fff}.chat-attachment img,.chat-attachment video{display:block;width:100%;max-width:100%;max-height:300px;object-fit:contain;border-radius:8px;background:#07131e}.chat-attachment audio{width:100%;min-width:0;max-width:100%}.chat-attachment strong{max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:12px}.chat-attachment a{justify-self:start;padding:6px 10px;border-radius:8px;background:#0b766b;color:#fff;text-decoration:none;font-size:12px;font-weight:800}