/* Layout: one-screen assistant. Orb stage + conversation on the left, the Board (reminders, notes, plans, memory) on the right; on phones the Board is a bottom sheet. White is the default; Night is an in-app choice. */
:root{
  --bg:#FAFBFE; --surface:#FFFFFF; --sunk:#F1F3FA; --ink:#121430; --muted:#5F6684; --line:#E2E5F0;
  --cyan:#29D0F2; --violet:#6A4BFF; --magenta:#EE4DB5;
  --accent:#5638F0; --accent-soft:#EEEAFF; --accent-ink:#FFFFFF;
  --good:#0F8E66; --warn:#A86400; --bad:#CC3445;
  --f-display:"Unbounded","Readex Pro",system-ui,sans-serif;
  --f-body:"Readex Pro","Segoe UI",system-ui,-apple-system,"Noto Sans Arabic","Geeza Pro",sans-serif;
  --r:18px;
  --shadow:0 1px 2px rgba(18,20,48,.05),0 10px 30px rgba(70,52,190,.08);
  --veil:rgba(246,247,253,.86);
  color-scheme:light;
}
:root.night{
  --bg:#000000; --surface:#111111; --sunk:#1A1A1A; --ink:#F2F2F5; --muted:#9A9AA3; --line:#2A2A2E;
  --accent:#8F78FF; --accent-soft:#1E1A33; --accent-ink:#000000;
  --good:#3CD29A; --warn:#F0B048; --bad:#FF6B7B;
  --shadow:0 1px 2px rgba(0,0,0,.35),0 12px 32px rgba(0,0,0,.4);
  --veil:rgba(0,0,0,.9);
  color-scheme:dark;
}
html{box-sizing:border-box;height:100%}
*,*::before,*::after{box-sizing:inherit}
body{height:100%;background:var(--bg);color:var(--ink);font-family:var(--f-body);font-size:15px;line-height:1.5;overflow:hidden;transition:background .3s,color .3s}
button,input,textarea,select{font:inherit;color:inherit}
button{cursor:pointer}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:8px}

.app{height:100%;display:grid;grid-template-rows:auto minmax(0,1fr);padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px));max-width:1280px;margin:0 auto}

/* Header */
.top{display:flex;align-items:center;gap:12px;padding-block:14px 10px}
.brand{display:flex;align-items:center;gap:10px;min-width:0}
.brand .dot{width:22px;height:22px;border-radius:50%;background:radial-gradient(circle at 34% 30%,#FFE58C 0%,#FF8FC0 30%,#B464FF 68%,#5B3FE8 100%);box-shadow:0 0 14px rgba(170,90,255,.5);flex:none}
.brand b{font-family:var(--f-display);font-weight:700;font-size:19px;letter-spacing:.02em}
.status{font-size:12.5px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;min-width:0}
.status::before{content:"";display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--muted);margin-inline-end:6px;vertical-align:1px}
.status[data-s="ready"]::before{background:var(--good)}
.status[data-s="warn"]::before{background:var(--warn)}
.spacer{flex:1}
.iconbtn{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--line);background:var(--surface);border-radius:999px;padding:7px 12px;font-size:13px;color:var(--ink)}
.iconbtn:hover{border-color:var(--accent)}
.iconbtn svg{width:16px;height:16px}
.boardbtn{display:none}

/* Main grid */
.main{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:20px;min-height:0;padding-bottom:14px}

/* Stage */
.stage{display:flex;flex-direction:column;min-height:0;min-width:0;position:relative}
.hero{display:flex;flex-direction:column;align-items:center;text-align:center;gap:14px;padding-block:18px 8px;transition:padding .4s}
.orb{--size:clamp(150px,30vmin,230px);width:var(--size);height:var(--size);position:relative;flex:none;transition:width .45s,height .45s}
.has-msgs .orb{--size:76px}
.has-msgs .hero{flex-direction:row;text-align:start;padding-block:4px 6px;gap:14px}
.has-msgs .hero .chips,.has-msgs .hero .sub{display:none}
.has-msgs .greet{font-size:17px}
.orb .halo,.orb .core,.orb .glint{position:absolute;inset:0;border-radius:50%}
.orb .halo{inset:-24%;background:radial-gradient(circle,rgba(176,96,255,.55) 0%,rgba(150,80,255,.28) 38%,transparent 66%);filter:blur(calc(var(--size)*.06));animation:breathe 5s ease-in-out infinite}
.orb .core{background:radial-gradient(circle at 34% 30%,#FFE58C 0%,#FFC0A8 12%,#FF8FC0 28%,#E874E6 46%,#B464FF 66%,#7650F5 86%,#5B3FE8 100%);background-size:130% 130%;background-position:40% 40%;box-shadow:inset calc(var(--size)*-.07) calc(var(--size)*-.09) calc(var(--size)*.18) rgba(70,40,200,.45),inset calc(var(--size)*.04) calc(var(--size)*.05) calc(var(--size)*.12) rgba(255,255,255,.28),0 0 calc(var(--size)*.22) rgba(170,90,255,.5);animation:drift 9s ease-in-out infinite alternate}
.orb .glint{inset:10%;background:radial-gradient(circle at 28% 22%,rgba(255,255,255,.55),rgba(255,255,255,.12) 22%,transparent 40%)}
.orb[data-state="listening"] .halo{animation:listen 1.1s ease-in-out infinite}
.orb[data-state="thinking"] .core{animation:drift 1.4s ease-in-out infinite alternate,hue 3s ease-in-out infinite alternate}
.orb[data-state="thinking"] .halo{animation:breathe 1.6s ease-in-out infinite}
.orb[data-state="speaking"] .core{animation:drift 3s ease-in-out infinite alternate,talk .36s ease-in-out infinite alternate}
.orb[data-state="speaking"] .halo{animation:talk .36s ease-in-out infinite alternate;opacity:1}
@keyframes drift{from{background-position:30% 30%}to{background-position:62% 58%}}
@keyframes hue{to{filter:hue-rotate(-28deg) saturate(1.15)}}
@keyframes breathe{0%,100%{scale:1;opacity:.85}50%{scale:1.07;opacity:1}}
@keyframes listen{0%,100%{scale:1.02;opacity:.9}50%{scale:1.22;opacity:1}}
@keyframes talk{from{scale:.98}to{scale:1.07}}
.live{display:block;font-size:11.5px;font-weight:500;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);margin-bottom:4px}
.has-msgs .live{margin-bottom:0}
.orb{animation:float 6s ease-in-out infinite}
.orb .core{overflow:hidden}
.orb .core::before{content:"";position:absolute;inset:-25%;border-radius:50%;background:conic-gradient(from 0deg,rgba(255,229,140,0),rgba(255,143,192,.75),rgba(180,100,255,0) 35%,rgba(91,63,232,.6),rgba(255,192,168,.65) 75%,rgba(255,229,140,0));filter:blur(calc(var(--size)*.07));opacity:.7;animation:swirl 7s linear infinite}
.orb .core::after{content:"";position:absolute;inset:-25%;border-radius:50%;background:conic-gradient(from 180deg,rgba(232,116,230,0),rgba(232,116,230,.55),rgba(118,80,245,0) 40%,rgba(255,229,140,.45) 70%,rgba(232,116,230,0));filter:blur(calc(var(--size)*.09));opacity:.55;animation:swirl 11s linear infinite reverse}
.orb[data-state="listening"]{animation:float 2.4s ease-in-out infinite}
.orb[data-state="listening"] .core::before{animation-duration:3s}
.orb[data-state="thinking"] .core::before{animation-duration:1.2s}
.orb[data-state="thinking"] .core::after{animation-duration:1.8s}
.orb[data-state="speaking"] .core::before{animation-duration:3.5s}
@keyframes swirl{to{transform:rotate(360deg)}}
@keyframes float{0%,100%{translate:0 0}50%{translate:0 -7px}}
.orb{animation:none!important}
.orb canvas{position:absolute;left:-35%;top:-35%;width:170%;height:170%;pointer-events:none}
.livego{background:radial-gradient(circle at 34% 30%,#FFE58C 0%,#FF8FC0 32%,#B464FF 70%,#5B3FE8 100%);color:#fff;box-shadow:0 0 14px rgba(170,90,255,.45)}
.liveview{position:fixed;inset:0;z-index:50;background:var(--veil);-webkit-backdrop-filter:blur(26px) saturate(1.3);backdrop-filter:blur(26px) saturate(1.3);display:grid;grid-template-rows:auto minmax(0,1fr) auto;padding:calc(14px + env(safe-area-inset-top,0px)) max(16px,env(safe-area-inset-right,0px)) calc(18px + env(safe-area-inset-bottom,0px)) max(16px,env(safe-area-inset-left,0px));animation:lvIn .35s ease}
.lv-top{display:flex;align-items:center;justify-content:center;position:relative;min-height:38px}
.lv-title{font-size:12px;font-weight:500;letter-spacing:.2em;text-transform:uppercase;color:var(--muted)}
.lv-x{position:absolute;inset-inline-end:0;width:38px;height:38px;border-radius:50%;border:1px solid var(--line);background:var(--surface);font-size:20px;line-height:1;color:var(--ink)}
.lv-mid{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;min-height:0;text-align:center}
.orb.lorb{--size:clamp(180px,40vmin,320px);cursor:pointer;margin-bottom:18px}
.lv-you{margin:0;color:var(--muted);font-size:15px;max-width:52ch;min-height:1.5em;overflow-wrap:anywhere}
.lv-say{margin:0;font-size:clamp(18px,2.6vw,24px);max-width:34ch;line-height:1.45;max-height:7.4em;overflow:hidden;text-wrap:balance;overflow-wrap:anywhere}
.lv-bottom{display:flex;flex-direction:column;align-items:center;gap:12px}
.lv-hint{margin:0;font-size:12.5px;color:var(--muted);min-height:18px;text-align:center;max-width:46ch}
.lv-ctrls{display:flex;gap:18px;align-items:center}
.lv-btn{width:52px;height:52px;border-radius:50%;border:1px solid var(--line);background:var(--surface);display:grid;place-items:center;color:var(--ink)}
.lv-btn svg{width:22px;height:22px}
.lv-btn.big{width:68px;height:68px;background:var(--ink);color:var(--bg);border:0;transition:background .2s,box-shadow .2s}
.lv-btn.big.on{background:var(--magenta);color:#fff;box-shadow:0 0 0 9px rgba(238,77,181,.18)}
.lv-btn.big.muted{background:var(--sunk);color:var(--bad)}
.lv-btn.end{background:var(--bad);color:#fff;border:0;width:auto;padding:0 22px;border-radius:999px;font-weight:500}
.lv-type{display:flex;gap:8px;width:min(520px,100%)}
.lv-type input{flex:1;min-width:0;border:1px solid var(--line);background:var(--surface);border-radius:999px;padding:10px 16px}
.lv-type button{border:0;background:var(--accent);color:var(--accent-ink);border-radius:999px;padding:0 18px}
.lv-shot{position:relative;display:flex;flex-direction:column;align-items:center;gap:6px}
.lv-shot img{max-width:min(220px,60vw);max-height:140px;border-radius:14px;border:1px solid var(--line);box-shadow:var(--shadow);object-fit:cover}
.lv-shot span{font-size:12px;color:var(--muted)}
.lv-shot button{position:absolute;top:-8px;inset-inline-end:-8px;width:26px;height:26px;border-radius:50%;border:0;background:var(--ink);color:var(--bg);font-size:15px;line-height:1}
@media (max-width:480px){.lv-ctrls{gap:10px}.lv-btn{width:46px;height:46px}.lv-btn.big{width:60px;height:60px}.lv-btn.end{padding:0 16px}.orb.lorb{--size:clamp(150px,36vmin,260px)}}
.aura{position:fixed;left:0;right:0;bottom:0;width:100%;height:55vh;pointer-events:none;z-index:0;filter:blur(48px) saturate(1.2);opacity:.85;-webkit-mask-image:linear-gradient(to top,#000 0%,rgba(0,0,0,.75) 30%,rgba(0,0,0,.3) 60%,transparent 100%);mask-image:linear-gradient(to top,#000 0%,rgba(0,0,0,.75) 30%,rgba(0,0,0,.3) 60%,transparent 100%)}
:root.night .aura{opacity:.7;filter:blur(56px) saturate(1.15)}
.app{position:relative;z-index:1}
.liveview .aura{position:absolute;height:60%}
.liveview > :not(.aura){position:relative;z-index:1}
.acct{display:flex;gap:12px;align-items:center;background:var(--sunk);border-radius:14px;padding:10px 12px}
.acct img{width:40px;height:40px;border-radius:50%;flex:none}
.acct strong{display:block;font-weight:500}
.acct small{display:block;color:var(--muted);font-size:12px}
.scrim{position:fixed;inset:0;background:rgba(0,0,0,.3);z-index:34}
.chats{position:fixed;top:0;bottom:0;inset-inline-start:0;width:min(330px,86vw);background:var(--surface);border-inline-end:1px solid var(--line);z-index:35;display:flex;flex-direction:column;box-shadow:var(--shadow);padding:calc(14px + env(safe-area-inset-top,0px)) 14px calc(14px + env(safe-area-inset-bottom,0px)) max(14px,env(safe-area-inset-left,0px));animation:slideIn .25s ease}
[dir="rtl"] .chats{animation:none}
.chats-head{display:flex;align-items:center;gap:8px;margin-bottom:12px}
.chats-head h2{flex:1;margin:0;font-family:var(--f-display);font-weight:500;font-size:17px}
.newchat{display:flex;align-items:center;justify-content:center;gap:8px;width:100%;border:0;background:var(--accent);color:var(--accent-ink);border-radius:12px;padding:10px;font-weight:500;margin-bottom:10px}
.newchat svg{width:16px;height:16px}
.chat-search{border:1px solid var(--line);background:var(--bg);border-radius:10px;padding:8px 10px;font-size:13.5px;margin-bottom:10px;width:100%}
.chat-list{flex:1;min-height:0;overflow-y:auto;display:flex;flex-direction:column;gap:2px}
.chat-group{font-size:11px;letter-spacing:.09em;text-transform:uppercase;color:var(--muted);padding:10px 8px 4px}
.chat-row{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;border-radius:10px}
.chat-row:hover,.chat-row.current{background:var(--sunk)}
.chat-row.current .chat-open{color:var(--accent);font-weight:500}
.chat-open{border:0;background:transparent;text-align:start;padding:9px 10px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-size:14px;color:var(--ink);min-width:0}
.chat-del{border:0;background:transparent;color:var(--muted);border-radius:8px;padding:4px 8px;font-size:12px;opacity:.7}
.chat-del:hover{color:var(--bad);opacity:1}
.chat-del.arm{background:var(--bad);color:#fff;opacity:1}
@keyframes slideIn{from{transform:translateX(-100%)}to{transform:none}}
.fchip{display:inline-grid;place-items:center;min-width:44px;height:28px;padding:0 6px;border-radius:8px;font-size:10.5px;font-weight:600;letter-spacing:.06em;color:#fff;background:var(--violet);flex:none}
.fchip.f-docx{background:#2B5CD8}.fchip.f-xlsx{background:#16804B}.fchip.f-csv{background:#3E8E6A}.fchip.f-html{background:#D2552D}.fchip.f-md,.fchip.f-txt{background:#5F6684}
.fileitem{align-items:start}
.frow{display:flex;gap:6px;margin-top:6px;flex-wrap:wrap}
.fbtn{border:1px solid var(--line);background:var(--surface);color:var(--ink);border-radius:8px;padding:4px 10px;font-size:12.5px}
.fbtn:hover{border-color:var(--accent);color:var(--accent)}
.fbtn.primary{background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}
.msg.filecard{display:flex;align-items:center;gap:12px;flex-wrap:wrap;background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:10px 12px;box-shadow:var(--shadow);max-width:min(460px,94%)}
.msg.filecard .fc-txt{flex:1;min-width:0}
.msg.filecard strong{display:block;font-weight:500;overflow-wrap:anywhere}
.msg.filecard small{color:var(--muted);font-size:12px}
.msg.filecard .frow{margin-top:0}
.panel.viewer{width:min(760px,100%);max-height:88%}
.v-head{display:flex;gap:10px;align-items:flex-start}
.v-head small{color:var(--muted);font-size:12px}
.v-body{flex:1;min-height:0;overflow-y:auto;border-top:1px solid var(--line);padding-top:12px;line-height:1.6}
.v-body h1,.v-body h2,.v-body h3{font-family:var(--f-body);font-weight:600;margin:.9em 0 .35em;text-wrap:balance}
.v-body h1{font-size:22px}.v-body h2{font-size:18px}.v-body h3{font-size:16px}
.v-body p{margin:0 0 .7em}
.tablewrap{overflow-x:auto;margin:.6em 0}
.v-body table{border-collapse:collapse;font-size:13.5px;font-variant-numeric:tabular-nums}
.v-body th,.v-body td{border:1px solid var(--line);padding:6px 10px;text-align:start;vertical-align:top}
.v-body th{background:var(--accent-soft)}
.v-body pre.plain{white-space:pre-wrap;font-family:inherit;margin:0}
@media (max-width:480px){.tab{font-size:11px}}
.thumb{width:72px;height:72px;object-fit:contain;border-radius:12px;background:repeating-conic-gradient(var(--sunk) 0 25%,var(--surface) 0 50%) 0 0/12px 12px;border:1px solid var(--line);flex:none}
.thumb.sm{width:44px;height:44px;border-radius:9px}
.msg.designcard{max-width:min(520px,94%)}
.svgstage{display:grid;place-items:center;padding:16px;border-radius:14px;background:repeating-conic-gradient(var(--sunk) 0 25%,var(--surface) 0 50%) 0 0/16px 16px}
.svgprev{max-width:100%;max-height:60vh;object-fit:contain}
.v-actions{display:flex;gap:8px;justify-content:flex-end;align-items:center}
.v-actions .close{align-self:auto}
.logo-mark{display:inline-block;width:40px;height:40px;flex:none;background:url("data:image/svg+xml,%3Csvg xmlns=%22http://www.w3.org/2000/svg%22 viewBox=%220 0 200 200%22%3E%3Cdefs%3E%3CradialGradient id=%22b%22 cx=%2234%%22 cy=%2230%%22 r=%2280%%22%3E%3Cstop offset=%220%22 stop-color=%22%23FFE58C%22/%3E%3Cstop offset=%22.16%22 stop-color=%22%23FFC0A8%22/%3E%3Cstop offset=%22.36%22 stop-color=%22%23FF8FC0%22/%3E%3Cstop offset=%22.58%22 stop-color=%22%23E074EA%22/%3E%3Cstop offset=%22.8%22 stop-color=%22%239B5CFF%22/%3E%3Cstop offset=%221%22 stop-color=%22%235638E8%22/%3E%3C/radialGradient%3E%3CradialGradient id=%22g%22 cx=%2250%%22 cy=%2250%%22 r=%2250%%22%3E%3Cstop offset=%22.6%22 stop-color=%22%23B060FF%22 stop-opacity=%22.4%22/%3E%3Cstop offset=%221%22 stop-color=%22%23B060FF%22 stop-opacity=%220%22/%3E%3C/radialGradient%3E%3ClinearGradient id=%22w%22 x1=%220%22 y1=%220%22 x2=%221%22 y2=%220%22%3E%3Cstop offset=%220%22 stop-color=%22%23fff%22 stop-opacity=%220%22/%3E%3Cstop offset=%22.5%22 stop-color=%22%23fff%22 stop-opacity=%22.9%22/%3E%3Cstop offset=%221%22 stop-color=%22%23fff%22 stop-opacity=%22.1%22/%3E%3C/linearGradient%3E%3CclipPath id=%22c%22%3E%3Ccircle cx=%22100%22 cy=%22100%22 r=%2266%22/%3E%3C/clipPath%3E%3C/defs%3E%3Ccircle cx=%22100%22 cy=%22100%22 r=%2298%22 fill=%22url%28%23g%29%22/%3E%3Ccircle cx=%22100%22 cy=%22100%22 r=%2266%22 fill=%22url%28%23b%29%22/%3E%3Cg clip-path=%22url%28%23c%29%22%3E%3Cpath d=%22M26 124 C 58 96, 88 150, 120 122 S 162 98, 178 112%22 fill=%22none%22 stroke=%22url%28%23w%29%22 stroke-width=%2210%22 stroke-linecap=%22round%22/%3E%3Cpath d=%22M26 144 C 60 120, 92 166, 124 142 S 164 122, 178 132%22 fill=%22none%22 stroke=%22%23fff%22 stroke-opacity=%22.35%22 stroke-width=%226%22 stroke-linecap=%22round%22/%3E%3C/g%3E%3Cellipse cx=%2276%22 cy=%2270%22 rx=%2219%22 ry=%2211%22 fill=%22%23fff%22 fill-opacity=%22.5%22 transform=%22rotate%28-32 76 70%29%22/%3E%3C/svg%3E") center/contain no-repeat}
.brandrow{display:flex;align-items:center;gap:10px}
.brandrow b{font-family:var(--f-display);font-weight:600;font-size:22px;letter-spacing:-.04em}
.brandrow small{margin-inline-start:auto;color:var(--muted);font-size:12px}
.gate .logo-mark{width:64px;height:64px;display:block;margin:0 auto 8px}
.accts{display:flex;flex-direction:column;gap:8px;order:1}
.panel > .close{order:2}
.acct-h{margin:4px 0 0;font-size:11.5px;text-transform:uppercase;letter-spacing:.09em;color:var(--muted);font-weight:500}
.link-row{display:flex;align-items:center;gap:12px;background:var(--sunk);border-radius:14px;padding:10px 12px}
.link-ico{width:28px;height:28px;flex:none}
.link-txt{flex:1;min-width:0}
.link-txt strong{display:block;font-weight:500;font-size:14px}
.link-txt small{display:block;color:var(--muted);font-size:12px;line-height:1.4}
.link-txt small.ok{color:var(--good)}
.link-note{margin:0;font-size:12px;color:var(--muted);line-height:1.45}
.composer #liveGo,.composer #mic{transition:width .2s,opacity .2s,margin .2s}
.composer.typing #liveGo,.composer.typing #mic{width:0;opacity:0;margin-inline-start:-8px;overflow:hidden;pointer-events:none}
.attach{background:var(--sunk);color:var(--ink)}
.attachments{display:flex;gap:8px;flex-wrap:wrap;padding-bottom:8px}
.att{display:flex;align-items:center;gap:8px;background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:5px 8px 5px 5px;max-width:240px;box-shadow:var(--shadow)}
.att img{width:36px;height:36px;object-fit:cover;border-radius:8px}
.att .doc{width:36px;height:36px;border-radius:8px;display:grid;place-items:center;background:var(--accent-soft);color:var(--accent);font-size:10px;font-weight:600;letter-spacing:.04em;flex:none}
.att span{font-size:12.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;min-width:0}
.att button{border:0;background:transparent;color:var(--muted);font-size:16px;line-height:1;padding:2px 4px}
.stage.dragging .composer{border-color:var(--accent);box-shadow:0 0 0 4px var(--accent-soft)}
.main{padding-bottom:calc(14px + var(--kb,0px));transition:padding-bottom .12s ease-out}
.aura{bottom:var(--kb,0px);transition:bottom .12s ease-out,opacity .3s}
.kb-open .has-msgs .orb,.kb-open .orb{--size:64px}
.kb-open .hero .sub,.kb-open .hero .chips{display:none}
@media (prefers-reduced-motion:reduce){.main,.aura{transition:none}}
@keyframes lvIn{from{opacity:0;transform:scale(1.03)}to{opacity:1;transform:none}}
.greet{font-family:var(--f-display);font-weight:500;font-size:clamp(20px,3.2vw,28px);letter-spacing:-.01em;text-wrap:balance;margin:0}
.sub{color:var(--muted);margin:0;max-width:46ch;text-wrap:balance}
.chips{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;max-width:620px}
.chip{border:1px solid var(--line);background:var(--surface);border-radius:999px;padding:7px 13px;font-size:13.5px}
.chip:hover{border-color:var(--accent);color:var(--accent)}

/* Feed */
.feed{flex:1;min-height:0;overflow-y:auto;display:flex;flex-direction:column;gap:14px;padding-block:6px 12px;scroll-behavior:smooth}
.msg{max-width:min(640px,88%);min-width:0;overflow-wrap:anywhere}
.msg.u{margin-inline-start:auto;background:linear-gradient(135deg,#FF7FC4 0%,#E070E6 45%,#8A5CFF 100%);color:#fff;padding:9px 14px;border-radius:18px 18px 6px 18px;box-shadow:0 6px 18px rgba(214,96,230,.28)}
.msg.a{display:grid;grid-template-columns:22px minmax(0,1fr);gap:10px;align-items:start}
.msg.a .mark{width:24px;height:24px;margin-top:0;margin-inline-start:-2px;background:url("data:image/svg+xml,%3Csvg xmlns=%22http://www.w3.org/2000/svg%22 viewBox=%220 0 200 200%22%3E%3Cdefs%3E%3CradialGradient id=%22b%22 cx=%2234%%22 cy=%2230%%22 r=%2280%%22%3E%3Cstop offset=%220%22 stop-color=%22%23FFE58C%22/%3E%3Cstop offset=%22.16%22 stop-color=%22%23FFC0A8%22/%3E%3Cstop offset=%22.36%22 stop-color=%22%23FF8FC0%22/%3E%3Cstop offset=%22.58%22 stop-color=%22%23E074EA%22/%3E%3Cstop offset=%22.8%22 stop-color=%22%239B5CFF%22/%3E%3Cstop offset=%221%22 stop-color=%22%235638E8%22/%3E%3C/radialGradient%3E%3CradialGradient id=%22g%22 cx=%2250%%22 cy=%2250%%22 r=%2250%%22%3E%3Cstop offset=%22.6%22 stop-color=%22%23B060FF%22 stop-opacity=%22.4%22/%3E%3Cstop offset=%221%22 stop-color=%22%23B060FF%22 stop-opacity=%220%22/%3E%3C/radialGradient%3E%3ClinearGradient id=%22w%22 x1=%220%22 y1=%220%22 x2=%221%22 y2=%220%22%3E%3Cstop offset=%220%22 stop-color=%22%23fff%22 stop-opacity=%220%22/%3E%3Cstop offset=%22.5%22 stop-color=%22%23fff%22 stop-opacity=%22.9%22/%3E%3Cstop offset=%221%22 stop-color=%22%23fff%22 stop-opacity=%22.1%22/%3E%3C/linearGradient%3E%3CclipPath id=%22c%22%3E%3Ccircle cx=%22100%22 cy=%22100%22 r=%2266%22/%3E%3C/clipPath%3E%3C/defs%3E%3Ccircle cx=%22100%22 cy=%22100%22 r=%2298%22 fill=%22url%28%23g%29%22/%3E%3Ccircle cx=%22100%22 cy=%22100%22 r=%2266%22 fill=%22url%28%23b%29%22/%3E%3Cg clip-path=%22url%28%23c%29%22%3E%3Cpath d=%22M26 124 C 58 96, 88 150, 120 122 S 162 98, 178 112%22 fill=%22none%22 stroke=%22url%28%23w%29%22 stroke-width=%2210%22 stroke-linecap=%22round%22/%3E%3Cpath d=%22M26 144 C 60 120, 92 166, 124 142 S 164 122, 178 132%22 fill=%22none%22 stroke=%22%23fff%22 stroke-opacity=%22.35%22 stroke-width=%226%22 stroke-linecap=%22round%22/%3E%3C/g%3E%3Cellipse cx=%2276%22 cy=%2270%22 rx=%2219%22 ry=%2211%22 fill=%22%23fff%22 fill-opacity=%22.5%22 transform=%22rotate%28-32 76 70%29%22/%3E%3C/svg%3E") center/contain no-repeat}
.msg.a .body p{margin:0 0 .5em}.msg.a .body p:last-child{margin:0}
.msg.a .body ul{margin:.2em 0 .5em;padding-inline-start:1.2em}
.msg.note{align-self:center;max-width:90%;font-size:13px;color:var(--muted);background:var(--sunk);border-radius:12px;padding:7px 12px;text-align:center}
.msg.hidden{opacity:.75;font-style:italic}
.typing{color:var(--muted)}

/* Composer */
.composer{display:flex;align-items:flex-end;gap:8px;background:var(--surface);border:1px solid var(--line);border-radius:22px;padding:8px;box-shadow:var(--shadow)}
.composer:focus-within{border-color:var(--accent)}
.composer textarea{flex:1;min-width:0;border:0;background:transparent;resize:none;outline:none;padding:8px 6px;max-height:140px;line-height:1.45}
.lang{border:0;background:var(--sunk);border-radius:999px;padding:0 10px;height:40px;font-size:13px;color:var(--muted);flex:none}
.round{width:40px;height:40px;border-radius:50%;border:0;display:grid;place-items:center;flex:none}
.round svg{width:19px;height:19px}
.mic{background:var(--sunk);color:var(--ink)}
.mic.on{background:var(--magenta);color:#fff;box-shadow:0 0 0 6px rgba(238,77,181,.18)}
.send{background:var(--accent);color:var(--accent-ink)}
.send:disabled{opacity:.4;cursor:default}
.hint{font-size:12px;color:var(--muted);text-align:center;padding-top:6px;min-height:18px}

/* Board */
.board{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);display:flex;flex-direction:column;min-height:0;box-shadow:var(--shadow)}
.tabs{display:grid;grid-template-columns:repeat(5,1fr);gap:4px;padding:6px;border-bottom:1px solid var(--line)}
.tab{border:0;background:transparent;border-radius:10px;padding:7px 4px;font-size:12.5px;color:var(--muted);display:flex;flex-direction:column;align-items:center;gap:1px}
.tab b{font-weight:600;font-size:15px;color:var(--ink);font-variant-numeric:tabular-nums}
.tab[aria-selected="true"]{background:var(--accent-soft);color:var(--accent)}
.tab[aria-selected="true"] b{color:var(--accent)}
.pane{flex:1;min-height:0;overflow-y:auto;padding:12px 14px;display:flex;flex-direction:column;gap:10px}
.pane h3{margin:0;font-size:11.5px;text-transform:uppercase;letter-spacing:.09em;color:var(--muted);font-weight:500}
.add{display:flex;gap:6px;flex-wrap:wrap}
.add input{flex:1 1 140px;min-width:0;border:1px solid var(--line);background:var(--bg);border-radius:10px;padding:8px 10px;font-size:13.5px}
.add input[type="datetime-local"]{flex:1 1 170px}
.add select{border:1px solid var(--line);background:var(--bg);border-radius:10px;padding:8px;font-size:13px}
.add button{border:0;background:var(--accent);color:var(--accent-ink);border-radius:10px;padding:8px 12px;font-size:13px}
.list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:6px}
.item{display:grid;grid-template-columns:auto minmax(0,1fr) auto;gap:10px;align-items:start;padding:9px 10px;border-radius:12px;background:var(--sunk)}
.item .txt{overflow-wrap:anywhere;font-size:14px}
.item .meta{font-size:12px;color:var(--muted);font-variant-numeric:tabular-nums}
.item .meta.late{color:var(--bad)}
.item.done .txt{text-decoration:line-through;color:var(--muted)}
.check{width:18px;height:18px;margin-top:2px;accent-color:var(--accent)}
.x{border:0;background:transparent;color:var(--muted);border-radius:8px;padding:2px 6px;font-size:16px;line-height:1}
.x:hover{color:var(--bad)}
.pill{display:inline-block;width:8px;height:8px;border-radius:50%;margin-top:7px;background:var(--violet)}
.plan{background:var(--sunk);border-radius:12px;padding:10px 12px;display:flex;flex-direction:column;gap:6px}
.plan header{display:flex;gap:8px;align-items:baseline}
.plan header strong{flex:1;min-width:0;overflow-wrap:anywhere}
.plan label{display:flex;gap:8px;font-size:13.5px;align-items:flex-start}
.plan label.done span{text-decoration:line-through;color:var(--muted)}
.empty{color:var(--muted);font-size:13.5px;padding:10px 2px;line-height:1.5}
.danger{border:1px solid var(--line);background:transparent;color:var(--bad);border-radius:10px;padding:7px 10px;font-size:12.5px;align-self:flex-start}
.danger.arm{background:var(--bad);color:#fff;border-color:var(--bad)}
.privacy{font-size:12px;color:var(--muted);border-top:1px solid var(--line);padding:10px 14px;display:flex;gap:8px;align-items:flex-start}
.privacy svg{width:15px;height:15px;flex:none;margin-top:2px;color:var(--good)}

/* Settings */
.sheet{position:fixed;inset:0;background:rgba(10,11,22,.35);display:grid;place-items:center;z-index:30;padding:16px}
.panel{background:var(--surface);color:var(--ink);border-radius:20px;width:min(440px,100%);max-height:90%;overflow-y:auto;padding:18px 20px;box-shadow:0 20px 60px rgba(0,0,0,.25);display:flex;flex-direction:column;gap:14px}
.panel h2{margin:0;font-family:var(--f-display);font-weight:500;font-size:18px}
.row{display:flex;align-items:center;justify-content:space-between;gap:12px}
.row label{font-size:14px}
.row small{display:block;color:var(--muted);font-size:12px}
.row select,.row input[type="range"]{max-width:190px;min-width:0}
.row select{border:1px solid var(--line);background:var(--bg);border-radius:10px;padding:6px 8px;font-size:13px}
.switch{appearance:none;width:42px;height:24px;border-radius:999px;background:var(--line);position:relative;flex:none;transition:background .2s}
.switch::after{content:"";position:absolute;top:3px;inset-inline-start:3px;width:18px;height:18px;border-radius:50%;background:#fff;transition:inset-inline-start .2s}
.switch:checked{background:var(--accent)}
.switch:checked::after{inset-inline-start:21px}
.panel .close{align-self:flex-end;border:0;background:var(--accent);color:var(--accent-ink);border-radius:10px;padding:8px 16px}

/* Gate + toast */
.gate{margin:auto;max-width:420px;text-align:center;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:20px;color:var(--muted);box-shadow:var(--shadow)}
.gate strong{display:block;color:var(--ink);font-size:16px;margin-bottom:4px}
.toast{position:fixed;inset-inline-end:max(16px,env(safe-area-inset-right,0px));bottom:calc(16px + env(safe-area-inset-bottom,0px));background:var(--ink);color:var(--bg);border-radius:14px;padding:12px 14px;max-width:min(360px,calc(100% - 32px));z-index:40;box-shadow:0 12px 30px rgba(0,0,0,.25);display:flex;gap:10px;align-items:flex-start}
.toast b{display:block;font-size:12px;text-transform:uppercase;letter-spacing:.08em;opacity:.7}
.toast button{border:0;background:transparent;color:inherit;opacity:.7;font-size:18px;line-height:1}

@media (max-width:900px){
  .main{grid-template-columns:minmax(0,1fr)}
  .boardbtn{display:inline-flex}
  .board{position:fixed;inset-inline:0;bottom:0;height:min(72%,560px);border-radius:22px 22px 0 0;z-index:20;transform:translateY(105%);transition:transform .3s;padding-bottom:env(safe-area-inset-bottom,0px);margin-inline:max(0px,env(safe-area-inset-left,0px)) max(0px,env(safe-area-inset-right,0px))}
  .board.open{transform:none}
  .status{display:none}
}
@media (max-width:480px){
  .iconbtn span{display:none}
  .msg{max-width:94%}
}
@media (prefers-reduced-motion:reduce){
  .orb{animation-duration:12s!important}
  .orb .core::before,.orb .core::after{animation-duration:30s!important}
  .board,.feed{transition:none;scroll-behavior:auto}
}

/* ---------- App shell (standalone) ---------- */
[hidden]{display:none!important}
html{padding-top:env(safe-area-inset-top,0px);padding-bottom:env(safe-area-inset-bottom,0px)}
body{margin:0;-webkit-font-smoothing:antialiased;-webkit-tap-highlight-color:transparent}
img{max-width:100%}

/* ---------- Sign-in ---------- */
.auth{position:fixed;inset:0;z-index:60;background:var(--bg);display:grid;place-items:center;overflow-y:auto;padding:calc(24px + env(safe-area-inset-top,0px)) max(16px,env(safe-area-inset-right,0px)) calc(24px + env(safe-area-inset-bottom,0px)) max(16px,env(safe-area-inset-left,0px))}
.auth .aura{position:fixed;bottom:0}
.auth-card{position:relative;z-index:1;width:min(400px,100%);display:flex;flex-direction:column;align-items:center;gap:14px;text-align:center}
.orb.auth-orb{--size:120px;margin-bottom:6px}
.auth-title{font-family:var(--f-display);font-weight:600;font-size:40px;letter-spacing:-.04em;margin:0;line-height:1}
.auth-sub{margin:0;color:var(--muted);text-wrap:balance}
.auth-providers{display:flex;flex-direction:column;gap:10px;width:100%}
.prov{display:flex;align-items:center;justify-content:center;gap:10px;border:1px solid var(--line);background:var(--surface);color:var(--ink);border-radius:14px;padding:12px;font-weight:500;min-height:48px}
.prov svg{width:20px;height:20px}
.prov.apple{background:var(--ink);color:var(--bg);border-color:var(--ink)}
.auth-or{display:flex;align-items:center;gap:10px;width:100%;color:var(--muted);font-size:13px}
.auth-or::before,.auth-or::after{content:"";flex:1;height:1px;background:var(--line)}
.auth-form{display:flex;flex-direction:column;gap:10px;width:100%;text-align:start}
.fld{display:flex;flex-direction:column;gap:4px;font-size:13px;color:var(--muted)}
.fld input{border:1px solid var(--line);background:var(--surface);border-radius:12px;padding:12px 14px;font-size:16px;color:var(--ink);min-height:48px}
.fld input:focus{outline:2px solid var(--accent);outline-offset:1px}
.auth-msg{margin:0;font-size:13px;min-height:18px;color:var(--muted)}
.auth-msg.err{color:var(--bad)}
.auth-msg.ok{color:var(--good)}
.auth-go{border:0;border-radius:14px;min-height:48px;font-weight:600;font-size:15px;color:#fff;background:linear-gradient(135deg,#FF7FC4 0%,#E070E6 45%,#8A5CFF 100%);box-shadow:0 8px 22px rgba(214,96,230,.3)}
.auth-go:disabled{opacity:.6}
.auth-links{display:flex;flex-direction:column;gap:2px}
.link{border:0;background:none;color:var(--accent);font-size:14px;padding:8px}
.auth-fine{font-size:12px;color:var(--muted);margin:4px 0 0;max-width:34ch}

/* ---------- Account ---------- */
.avatar{width:40px;height:40px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(135deg,#FF8FC0,#8A5CFF);color:#fff;font-weight:600;flex:none;font-size:16px}
.notice{background:var(--accent-soft);border-radius:12px;padding:10px 12px;font-size:13px;display:flex;gap:10px;align-items:center;justify-content:space-between;flex-wrap:wrap}

/* ---------- Live camera / screen ---------- */
.lv-cam{position:relative;width:min(340px,80vw);aspect-ratio:3/4;max-height:42vh;border-radius:22px;overflow:hidden;background:#000;box-shadow:0 12px 40px rgba(0,0,0,.3)}
.lv-cam video{width:100%;height:100%;object-fit:cover;display:block}
.lv-cam.mirror video{transform:scaleX(-1)}
.lv-cam.screen{aspect-ratio:16/10;width:min(520px,88vw)}
.lv-cam.screen video{object-fit:contain}
.lv-cam-tag{position:absolute;left:10px;top:10px;font-size:11.5px;background:rgba(0,0,0,.55);color:#fff;border-radius:999px;padding:4px 10px}
.lv-cam-flip{position:absolute;right:10px;bottom:10px;width:40px;height:40px;border-radius:50%;border:0;background:rgba(0,0,0,.55);color:#fff;display:grid;place-items:center}
.lv-cam-flip svg{width:20px;height:20px}
.has-cam .orb.lorb{--size:92px;margin-bottom:0}
.lv-btn.on{background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}
.docitem .fchip{background:#5F6684}

/* ---------- Message actions and board back ---------- */
.turn{display:flex;flex-direction:column;gap:4px;min-width:0;outline:none}
.turn.tu{align-items:flex-end}
.turn.tu .msg.u{margin-inline-start:0}
.turn.ta .acts{padding-inline-start:32px}
.acts{display:flex;gap:4px;opacity:0;max-height:0;overflow:hidden;transition:opacity .15s,max-height .15s}
.turn:hover .acts,.turn.show-acts .acts,.turn:focus-within .acts{opacity:1;max-height:40px}
.acts button{border:0;background:var(--sunk);color:var(--muted);border-radius:999px;padding:4px 11px;font-size:12px;min-height:28px}
.acts button:hover{color:var(--ink)}
.acts button.arm{background:var(--bad);color:#fff}
@media (hover:none){.turn:hover .acts{opacity:0;max-height:0}.turn.show-acts .acts{opacity:1;max-height:40px}}
.board-head{display:none;align-items:center;gap:10px;padding:10px 12px 4px}
.board-head strong{font-weight:500}
.board-back{display:inline-flex;align-items:center;gap:4px;border:1px solid var(--line);background:var(--surface);color:var(--ink);border-radius:999px;padding:6px 12px 6px 8px;font-size:13px;min-height:36px}
.board-back svg{width:18px;height:18px}
[dir="rtl"] .board-back svg{transform:scaleX(-1)}
.board-scrim{display:none}
@media (max-width:900px){.board-head{display:flex}.board-scrim{display:block;position:fixed;inset:0;background:rgba(10,11,22,.3);z-index:19}.board-scrim[hidden]{display:none}}

/* ---------- Mode: Normal / Student ---------- */
.mode-pick{width:100%;display:flex;flex-direction:column;gap:8px}
.mode-q{margin:0;font-weight:500;font-size:14px}
.mode-opts{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.mode-opt{display:flex;flex-direction:column;align-items:center;gap:4px;padding:14px 10px;border-radius:16px;border:1.5px solid var(--line);background:var(--surface);color:var(--ink);min-height:104px;transition:border-color .15s,box-shadow .15s,transform .15s}
.mode-opt svg{width:26px;height:26px;color:var(--muted)}
.mode-opt strong{font-weight:600;font-size:15px}
.mode-opt small{color:var(--muted);font-size:12px;line-height:1.3}
.mode-opt[aria-checked="true"]{border-color:transparent;background:linear-gradient(var(--surface),var(--surface)) padding-box,linear-gradient(135deg,#FF7FC4,#E070E6 45%,#8A5CFF) border-box;box-shadow:0 8px 22px rgba(214,96,230,.22)}
.mode-opt[aria-checked="true"] svg{color:#C45CE6}
.mode-note{margin:0;font-size:12px;color:var(--muted)}
.seg{display:inline-flex;background:var(--sunk);border-radius:999px;padding:3px;gap:2px;flex:none}
.seg button{border:0;background:transparent;color:var(--muted);border-radius:999px;padding:6px 14px;font-size:13px;font-weight:500;min-height:32px}
.seg button[aria-checked="true"]{background:linear-gradient(135deg,#FF7FC4,#E070E6 45%,#8A5CFF);color:#fff;box-shadow:0 4px 12px rgba(214,96,230,.3)}
.acct{display:flex;align-items:center;gap:12px}
.acct > div{flex:1}
.logout{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--line);background:var(--surface);color:var(--ink);border-radius:999px;padding:7px 12px;font-size:13px;font-weight:500;min-height:36px;flex:none}
.logout svg{width:16px;height:16px}
.logout:hover{border-color:var(--bad);color:var(--bad)}

/* ---------- Sign-in pages ---------- */
.auth-card{min-height:min(640px,100%);justify-content:flex-start}
.auth-top{width:100%;display:flex;align-items:center;justify-content:space-between;min-height:40px}
.auth-back{display:inline-flex;align-items:center;gap:4px;border:1px solid var(--line);background:var(--surface);color:var(--ink);border-radius:999px;padding:6px 14px 6px 8px;font-size:14px;min-height:40px}
.auth-back svg{width:18px;height:18px}
[dir="rtl"] .auth-back svg{transform:scaleX(-1)}
.steps{display:flex;gap:6px;margin-inline-start:auto}
.steps span{width:22px;height:5px;border-radius:999px;background:var(--line);transition:background .25s}
.steps span.on{background:linear-gradient(90deg,#FF7FC4,#8A5CFF)}
.apage{width:100%;display:flex;flex-direction:column;align-items:center;gap:14px}
.apage.in-fwd{animation:pageIn .32s ease both}
.apage.in-back{animation:pageBack .32s ease both}
@keyframes pageIn{from{opacity:0;transform:translateX(24px)}to{opacity:1;transform:none}}
@keyframes pageBack{from{opacity:0;transform:translateX(-24px)}to{opacity:1;transform:none}}
.auth-h{font-family:var(--f-display);font-weight:500;font-size:24px;letter-spacing:-.02em;margin:0;text-wrap:balance}
.step-label{margin:0;font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.auth-actions{display:flex;flex-direction:column;gap:10px;width:100%;margin-top:6px}
.auth-alt{border:1px solid var(--line);background:var(--surface);color:var(--ink);border-radius:14px;min-height:48px;font-weight:500;font-size:15px}
.auth-go,.auth-alt{width:100%}
.mode-chip{display:inline-block;background:var(--accent-soft);color:var(--accent);border-radius:999px;padding:3px 10px;font-size:13px;font-weight:500}
.link.inline{padding:0 4px;font-size:13px}
.pw{position:relative;display:block}
.pw input{width:100%;box-sizing:border-box;padding-inline-end:48px}
.peek{position:absolute;inset-inline-end:4px;top:50%;transform:translateY(-50%);width:40px;height:40px;border:0;background:transparent;color:var(--muted);border-radius:10px;display:grid;place-items:center}
.peek svg{width:20px;height:20px}
.peek.on{color:var(--accent)}
.fld-hint{font-size:12px;color:var(--muted)}
.fld input{width:100%;box-sizing:border-box}
.auth[data-page="welcome"] .orb.auth-orb{--size:min(200px,46vw);margin-block:clamp(12px,6vh,56px) 8px}
.auth[data-page="welcome"] .auth-title{font-size:48px}
.auth[data-page="mode"] .mode-opt{min-height:150px;padding:20px 12px}
.auth[data-page="mode"] .mode-opt svg{width:34px;height:34px}
.auth[data-page="mode"] .mode-opt strong{font-size:17px}
.auth:not([data-page="welcome"]) .orb.auth-orb{--size:72px;margin:0}
.auth-card .auth-msg:empty{display:none}
@media (prefers-reduced-motion:reduce){.apage.in-fwd,.apage.in-back{animation:none}}
/* ---------- Verification code ---------- */
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.code-in{font-family:Consolas,"SF Mono",Menlo,monospace!important;font-size:30px!important;font-weight:700;letter-spacing:.22em;text-align:center;text-transform:uppercase;min-height:64px!important;border-radius:16px!important}
.code-in::placeholder{color:var(--line);letter-spacing:.22em}
.link:disabled{color:var(--muted);cursor:default}

/* ---------- Student mode: side tools ---------- */
.stu-tab{display:none}
:root[data-mode="student"] .iconbtn.stu-tab{display:inline-flex;color:#fff;border-color:transparent;background:linear-gradient(135deg,#FF7FC4,#E070E6 45%,#8A5CFF);box-shadow:0 6px 18px rgba(214,96,230,.35)}
:root[data-mode="student"] .iconbtn.stu-tab:hover{filter:brightness(1.05)}

.stu-menu{position:fixed;top:0;bottom:0;inset-inline-start:0;width:min(340px,88vw);background:var(--surface);border-inline-end:1px solid var(--line);z-index:35;display:flex;flex-direction:column;box-shadow:var(--shadow);padding:calc(14px + env(safe-area-inset-top,0px)) 14px calc(14px + env(safe-area-inset-bottom,0px)) max(14px,env(safe-area-inset-left,0px));animation:slideIn .25s ease}
.stu-list{display:flex;flex-direction:column;gap:8px;overflow-y:auto}
.stu-item{display:flex;align-items:flex-start;gap:12px;text-align:start;border:1px solid var(--line);background:var(--bg);color:var(--ink);border-radius:16px;padding:12px}
.stu-item:hover{border-color:var(--accent)}
.stu-ico{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;background:var(--accent-soft);color:var(--accent);flex:none}
.stu-ico svg{width:22px;height:22px}
.stu-txt{display:flex;flex-direction:column;gap:2px;min-width:0}
.stu-txt strong{font-weight:600}
.stu-txt small{color:var(--muted);font-size:12.5px;line-height:1.4}
.panel.pp{width:min(520px,100%);max-height:92%}
.pp-form{display:flex;flex-direction:column;gap:12px}
.pp-f{border:0;padding:0;margin:0;display:flex;flex-direction:column;gap:6px;min-width:0}
.pp-f legend{font-size:13px;color:var(--muted);padding:0;margin-bottom:6px}
.seg.wide{display:flex;width:100%}
.seg.wide button{flex:1}
.pp .mode-opt{min-height:84px}
.pp-files{display:flex;flex-direction:column;gap:6px}
.pp-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:4px}
.pp-list li{display:flex;align-items:center;gap:8px;background:var(--sunk);border-radius:10px;padding:6px 10px;font-size:13px}
.pp-list li span{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.pp-note{margin:0;font-size:12px;color:var(--muted)}
.pp-links{display:flex;flex-direction:column;gap:4px;border-top:1px solid var(--line);padding-top:12px;font-size:13.5px}
.pp-links small{color:var(--muted);font-size:12px}
#ppSheet{z-index:40}

.msg.filecard .fc-txt{flex:1 1 160px;min-width:0}
.msg.filecard .fc-txt strong{overflow-wrap:normal;word-break:normal}
.msg.filecard .frow{margin-inline-start:auto}

/* ---------- Check my answers ---------- */
#ckSheet{z-index:40}
.ck-btns{display:flex;gap:8px;flex-wrap:wrap}
.ck-btns .fbtn{padding:10px 14px;font-size:14px}
.ck-thumbs li img{width:36px;height:36px;object-fit:cover;border-radius:6px;flex:none}
.ck-select{border:1px solid var(--line);background:var(--bg);color:var(--ink);border-radius:12px;padding:12px;font-size:15px;width:100%}

/* ---------- Greeting scrolls with the chat ---------- */
.scroller{flex:1;min-height:0;overflow-y:auto;display:flex;flex-direction:column;scroll-behavior:smooth;overscroll-behavior:contain}
.scroller .feed{flex:none;overflow:visible;min-height:auto}
.stage:not(.has-msgs) .scroller{justify-content:center}
.stage:not(.has-msgs) .scroller .hero{padding-block:18px 24px}
@media (prefers-reduced-motion:reduce){.scroller{scroll-behavior:auto}}

/* ---------- Panic mode (red) ---------- */
:root[data-panic="1"]{--accent:#E0313F;--accent-soft:#FFE3E5;--accent-ink:#FFFFFF}
:root.night[data-panic="1"]{--accent:#FF5A63;--accent-soft:#3A1416;--accent-ink:#000000}
:root[data-panic="1"] .msg.u{background:linear-gradient(135deg,#FF8A5B 0%,#F0414F 50%,#C81E3A 100%);box-shadow:0 6px 18px rgba(232,60,70,.3)}
:root[data-panic="1"] .stu-tab,:root[data-panic="1"] .livego,:root[data-panic="1"] .auth-go{background:linear-gradient(160deg,#FF8A5B,#F0414F 50%,#C81E3A)}
:root[data-panic="1"] .msg.a .mark{background:radial-gradient(circle at 34% 30%,#FFE1B8 0%,#FF8A6B 30%,#F0414F 62%,#A3122C 100%);border-radius:50%;box-shadow:0 0 10px rgba(240,65,79,.35)}
.msg.u,.stu-tab{transition:background .6s,box-shadow .6s}
.panic-bar{display:flex;align-items:center;gap:8px;margin:2px 0 6px;padding:8px 8px 8px 14px;border-radius:999px;background:linear-gradient(135deg,#FF8A5B,#F0414F 50%,#C81E3A);color:#fff;box-shadow:0 8px 22px rgba(232,60,70,.3);animation:pIn .4s ease}
.panic-bar strong{font-weight:600;font-size:14px}
.panic-time{margin-inline-start:auto;font-variant-numeric:tabular-nums;font-weight:700;font-size:18px;letter-spacing:.02em}
.panic-left{font-size:12px;opacity:.85}
.panic-bar button{border:0;background:rgba(255,255,255,.22);color:#fff;border-radius:999px;padding:6px 14px;font-weight:600;font-size:13px;min-height:32px}
.panic-dot{width:9px;height:9px;border-radius:50%;background:#fff;animation:pulse 1.4s ease-in-out infinite}
.panic-bar.low .panic-dot{animation-duration:.7s}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.35;transform:scale(.7)}}
@keyframes pIn{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:none}}
.panic-item .stu-ico{background:#FFE3E5;color:#E0313F}
:root.night .panic-item .stu-ico{background:#3A1416;color:#FF5A63}
@media (prefers-reduced-motion:reduce){.panic-dot,.panic-bar{animation:none}}

/* ---------- Subjects tab (Student mode) ---------- */
.tab-subj{display:none}
:root[data-mode="student"] .tab-subj{display:flex}
:root[data-mode="student"] .tabs{grid-template-columns:repeat(6,1fr)}
:root[data-mode="student"] .tab{font-size:11px;padding-inline:2px}
.subj{display:flex;flex-direction:column;gap:8px;background:var(--sunk);border-radius:14px;padding:10px 12px}
.subj-top{display:flex;align-items:center;gap:8px}
.subj-top strong{flex:1;min-width:0;font-weight:600;overflow-wrap:anywhere}
.subj .seg{width:100%;display:flex}
.subj .seg button{flex:1;padding:6px 6px;font-size:12px}
.subj-lvl{display:flex;gap:6px;flex-wrap:wrap}
.subj-lvl button{border:1px solid var(--line);background:var(--surface);color:var(--muted);border-radius:999px;padding:4px 10px;font-size:12px;min-height:28px}
.subj-lvl button[aria-checked="true"]{border-color:var(--accent);color:var(--accent);background:var(--accent-soft)}
.add select{min-width:0}


/* ---------- School connections ---------- */
.school-set{display:none;flex-direction:column;gap:8px}
:root[data-mode="student"] .school-set{display:flex}
.school-rows{display:flex;flex-direction:column;gap:6px}
.sc-row{display:flex;align-items:center;gap:10px;background:var(--sunk);border-radius:14px;padding:10px 12px}
.sc-kind{width:34px;height:34px;border-radius:10px;display:grid;place-items:center;font-weight:700;font-size:13px;color:#fff;flex:none}
.sc-kind.moodle{background:#F98012}.sc-kind.canvas{background:#E72429}.sc-kind.ical{background:#5638E8}
.sc-txt{flex:1;min-width:0}
.sc-txt strong{display:block;font-weight:500;font-size:14px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.sc-txt small{display:block;color:var(--muted);font-size:12px}
.sc-txt small.err{color:var(--bad)}
.sc-row .fbtn{padding:5px 10px}
.school-add{align-self:flex-start;padding:9px 14px;font-size:14px}
#scSheet{z-index:40}
.sc-pane{display:flex;flex-direction:column;gap:10px}
.sc-safe{margin:0;font-size:13px;line-height:1.5;background:var(--accent-soft);border-radius:12px;padding:10px 12px}
.sc-steps{margin:0;padding-inline-start:1.2em;font-size:13px;line-height:1.6;color:var(--muted)}
.sc-how{font-size:13px;line-height:1.55}
.sc-how summary{cursor:pointer;color:var(--accent);font-weight:500}
.sc-how ul{padding-inline-start:1.1em;margin:.5em 0}
.from-school{display:flex;flex-direction:column;gap:6px}
.si{display:grid;grid-template-columns:auto minmax(0,1fr) auto;gap:10px;align-items:start;padding:9px 10px;border-radius:12px;background:var(--sunk);border-inline-start:3px solid var(--accent)}
.si.soon{border-inline-start-color:var(--warn)}
.si.done{opacity:.6}
.si.done .txt{text-decoration:line-through}
.si a{font-size:12px;color:var(--accent);white-space:nowrap}

/* ---------- Sign-up: subjects step ---------- */
.su-chips{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;width:100%}
.su-chips button{border:1px solid var(--line);background:var(--surface);color:var(--ink);border-radius:999px;padding:8px 14px;font-size:14px;min-height:40px}
.su-chips button[aria-pressed="true"]{border-color:transparent;color:#fff;background:linear-gradient(135deg,#FF7FC4,#E070E6 45%,#8A5CFF)}
.su-add{width:100%}
.su-picked{display:flex;flex-direction:column;gap:8px;width:100%;text-align:start}

/* Listening test player */
.panel.ls{width:min(420px,100%);gap:12px}
.ls-stage{display:flex;flex-direction:column;align-items:center;gap:6px;padding:14px 0 4px;text-align:center}
.orb.ls-orb{--size:112px;margin-bottom:14px}
.ls-ex{font-family:var(--f-display);font-size:17px;font-weight:500}
.ls-step{font-size:14px;color:var(--muted);min-height:1.4em;max-width:30ch}
.ls-time{font-variant-numeric:tabular-nums;font-size:30px;font-weight:600;letter-spacing:.5px;min-height:38px}
.ls-dots{display:flex;gap:6px;margin-top:4px}
.ls-dots i{width:8px;height:8px;border-radius:50%;background:var(--line,#E2E5F0)}
.ls-dots i.on{background:var(--accent)}
.ls-dots i.done{background:color-mix(in srgb,var(--accent) 45%,transparent)}
.ls-note{margin:0;font-size:13px;color:var(--muted);line-height:1.5}
.ls-btns{display:flex;gap:8px;justify-content:flex-end;flex-wrap:wrap}
.fchip.f-listen{background:linear-gradient(135deg,#8C5BFF,#E874E6);color:#fff}
.ls-script p{margin:.3em 0}

/* Student tools: snap, quiz, exams */
#snSheet,#qzSheet,#exSheet,#lsSheet{z-index:40}
.fld .opt{font-style:normal;color:var(--muted);font-weight:400}
.sn-level{display:flex;gap:12px;align-items:center;background:var(--sunk);border-radius:14px;padding:10px 12px}
.sn-level strong{display:block;font-size:14px}
.sn-level small{display:block;font-size:12px;color:var(--muted);line-height:1.4}
.lv-dots{display:flex;gap:3px;flex:none;align-items:flex-end}
.lv-dots i{width:6px;border-radius:3px;background:color-mix(in srgb,var(--muted) 30%,transparent)}
.lv-dots i:nth-child(1){height:8px}.lv-dots i:nth-child(2){height:12px}.lv-dots i:nth-child(3){height:16px}.lv-dots i:nth-child(4){height:20px}.lv-dots i:nth-child(5){height:24px}
.lv-dots i.on{background:linear-gradient(180deg,#FF7FC4,#8A5CFF)}
.fchip.f-quiz{background:linear-gradient(135deg,#2FB8A6,#5B8CFF);color:#fff;font-size:16px}
.fchip.f-hand{background:linear-gradient(135deg,#3B4BA8,#6F7FE0);color:#fff;font-size:16px}
.hand-card strong{font-family:"Caveat",var(--f-body,cursive);font-size:20px;font-weight:600}
/* quiz */
.panel.qz{gap:12px}
.qz-bar{height:6px;border-radius:3px;background:var(--sunk);overflow:hidden}
.qz-bar i{display:block;height:100%;width:0;background:linear-gradient(90deg,#FF7FC4,#8A5CFF);transition:width .3s}
.qz-n{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.06em}
.qz-q{font-size:16px;line-height:1.5;margin:6px 0 12px}
.qz-q p{margin:.2em 0}
.qz-opts{display:flex;flex-direction:column;gap:8px}
.qz-opt{display:flex;gap:10px;align-items:flex-start;text-align:start;border:1.5px solid var(--line,#E2E5F0);background:var(--surface);color:var(--ink);border-radius:14px;padding:11px 12px;font-size:15px;line-height:1.4;min-height:48px}
.qz-opt b{flex:none;width:24px;height:24px;border-radius:50%;display:grid;place-items:center;background:var(--sunk);font-size:12px}
.qz-opt:not([disabled]):hover{border-color:var(--accent)}
.qz-opt.right{border-color:#1E9E6A;background:color-mix(in srgb,#1E9E6A 10%,var(--surface))}
.qz-opt.right b{background:#1E9E6A;color:#fff}
.qz-opt.wrong{border-color:#D6455B;background:color-mix(in srgb,#D6455B 9%,var(--surface))}
.qz-opt.wrong b{background:#D6455B;color:#fff}
.qz-opt.dim{opacity:.55}
.qz-fb{margin:12px 0 4px;font-size:14px;line-height:1.5;padding:10px 12px;border-radius:12px;background:var(--sunk)}
.qz-fb.ok strong{color:#1E9E6A}.qz-fb.no strong{color:#D6455B}
.qz-end{text-align:center;padding:6px 0}
.qz-score{font-family:var(--f-display);font-size:44px;font-weight:600}
.qz-score span{background:linear-gradient(135deg,#FF7FC4,#8A5CFF);-webkit-background-clip:text;background-clip:text;color:transparent}
.qz-pct{color:var(--muted);font-size:14px}
.qz-end p{font-size:14px;line-height:1.5}
.qz-end h3{font-size:13px;color:var(--muted);text-align:start;margin:14px 0 6px}
.qz-miss{text-align:start;margin:0;padding-inline-start:18px;font-size:13px;line-height:1.5}
.qz-acts{display:flex;gap:8px;align-items:center;margin-top:12px}
.qz-acts .auth-go{flex:1;margin:0}
/* exams */
.ex-list{display:flex;flex-direction:column;gap:8px}
.ex-row{display:flex;gap:12px;align-items:center;background:var(--sunk);border-radius:14px;padding:10px 12px}
.ex-row.past{opacity:.5}
.ex-days{flex:none;width:52px;height:52px;border-radius:14px;background:var(--surface);display:flex;flex-direction:column;align-items:center;justify-content:center;line-height:1}
.ex-days strong{font-family:var(--f-display);font-size:20px}
.ex-days small{font-size:10px;color:var(--muted);margin-top:2px}
.ex-row.soon .ex-days{background:linear-gradient(135deg,#FF7FC4,#8A5CFF);color:#fff}
.ex-row.soon .ex-days small{color:rgba(255,255,255,.85)}
.ex-txt{flex:1;min-width:0}
.ex-txt strong{display:block;font-size:15px}
.ex-txt small{color:var(--muted);font-size:12px}
.ex-add{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.ex-add input{min-width:0;border:1.5px solid var(--line,#E2E5F0);background:var(--surface);color:var(--ink);border-radius:12px;padding:10px 12px;font:inherit;font-size:15px}
.ex-add #exSubject{grid-column:1/-1}
.ex-add button{grid-column:1/-1}
.ex-chips{flex:none;display:flex;gap:8px;overflow-x:auto;padding-bottom:4px;margin-bottom:8px}
.ex-chip{flex:none;min-width:96px;background:var(--sunk);border-radius:14px;padding:10px 12px;display:flex;flex-direction:column}
.ex-chip strong{font-family:var(--f-display);font-size:22px;line-height:1}
.ex-chip small{font-size:11px;color:var(--muted)}
.ex-chip span{font-size:13px;margin-top:4px}
.ex-chip.soon{background:linear-gradient(135deg,#FF7FC4,#8A5CFF);color:#fff}
.ex-chip.soon small{color:rgba(255,255,255,.85)}
.linkbtn{border:0;background:none;color:var(--accent);font:inherit;padding:0;text-decoration:underline;cursor:pointer}
.plan-acts{margin:2px 0 8px}
.plan-acts .fbtn{font-size:12.5px;min-height:30px;padding:4px 12px}
/* handwritten solutions */
#vBody.hand{font-family:"Caveat","Segoe Print","Bradley Hand","Comic Sans MS",cursive;font-size:21px;line-height:32px;color:#1F2A6B;background-image:linear-gradient(transparent 31px,rgba(91,140,255,.22) 31px);background-size:100% 32px;background-attachment:local;padding-top:4px}
#vBody.hand h1,#vBody.hand h2,#vBody.hand h3{font-family:"Caveat","Segoe Print","Bradley Hand","Comic Sans MS",cursive;color:#2B1F8F;line-height:1.3}
#vBody.hand h1{font-size:34px}#vBody.hand h2{font-size:28px}#vBody.hand h3{font-size:24px}
#vBody.hand p,#vBody.hand li{margin:0}
:root.night #vBody.hand{color:#D9DEFF;background-image:linear-gradient(transparent 31px,rgba(140,160,255,.18) 31px)}
:root.night #vBody.hand h1,:root.night #vBody.hand h2,:root.night #vBody.hand h3{color:#C9B8FF}

/* Plans: Free / Pro */
#proSheet{z-index:45}
.plan-card{background:var(--sunk);border-radius:18px;padding:14px;display:flex;flex-direction:column;gap:10px}
.plan-card.is-pro{background:linear-gradient(135deg,color-mix(in srgb,#FF7FC4 16%,var(--surface)),color-mix(in srgb,#8A5CFF 18%,var(--surface)))}
.plan-top{display:flex;align-items:center;gap:10px}
.plan-top small{color:var(--muted);font-size:13px}
.plan-badge{font-family:var(--f-display);font-size:13px;font-weight:600;padding:4px 12px;border-radius:999px;background:var(--surface);color:var(--ink)}
.plan-badge.pro{background:linear-gradient(135deg,#FF7FC4,#8A5CFF);color:#fff}
.meter{display:flex;flex-direction:column;gap:5px}
.meter-l{display:flex;justify-content:space-between;font-size:13px}
.meter-l span{color:var(--muted)}
.meter-l b{font-weight:600;font-variant-numeric:tabular-nums}
.bar{height:8px;border-radius:4px;background:color-mix(in srgb,var(--muted) 18%,transparent);overflow:hidden}
.bar i{display:block;height:100%;width:0;border-radius:4px;background:linear-gradient(90deg,#FF7FC4,#8A5CFF);transition:width .4s}
.bar.bonus i{background:linear-gradient(90deg,#2FB8A6,#5B8CFF)}
.plan-reset{color:var(--muted);font-size:12px;line-height:1.45}
.auth-go.plan-go{margin:2px 0 0}
.pro-perks{list-style:none;margin:4px 0 0;padding:0;display:flex;flex-direction:column;gap:10px}
.pro-perks li{display:flex;flex-direction:column;padding-inline-start:30px;position:relative;font-size:14px;text-align:start}
.pro-perks li::before{content:"";position:absolute;inset-inline-start:0;top:1px;width:20px;height:20px;border-radius:50%;background:linear-gradient(135deg,#FF7FC4,#8A5CFF) center/100% no-repeat}
.pro-perks li::after{content:"";position:absolute;inset-inline-start:7px;top:5px;width:5px;height:9px;border:solid #fff;border-width:0 2px 2px 0;transform:rotate(45deg)}
.pro-perks b{font-weight:600}
.pro-perks span{color:var(--muted);font-size:13px}
.pay-box{border:1.5px solid var(--line,#E2E5F0);border-radius:18px;padding:14px;display:flex;flex-direction:column;gap:10px;background:var(--surface);margin-top:6px;text-align:start}
.pay-price{display:flex;align-items:baseline;gap:8px}
.pay-price strong{font-family:var(--f-display);font-size:28px}
.pay-price span{color:var(--muted);font-size:13px}
.pay-form{min-height:48px}
.pay-form .mysr-form{width:100%}
.pay-soon{margin:0;font-size:14px;color:var(--muted);line-height:1.5;background:var(--sunk);border-radius:12px;padding:12px}
.pay-fine{margin:0;font-size:12px;color:var(--muted);line-height:1.45}
.apage[data-page="pro"] .auth-alt{margin-top:10px}
.usage-hint{align-self:center;font-size:12.5px;color:var(--muted);background:color-mix(in srgb,var(--surface) 85%,transparent);border-radius:999px;padding:5px 12px;margin:0 auto 6px;box-shadow:0 2px 10px rgba(30,20,80,.08);backdrop-filter:blur(8px)}
.usage-hint button{border:0;background:none;color:var(--accent);font:inherit;font-weight:600;padding:0 0 0 4px;cursor:pointer}
.msg.limit-card{display:flex;flex-direction:column;gap:12px;background:linear-gradient(135deg,color-mix(in srgb,#FF7FC4 12%,var(--surface)),color-mix(in srgb,#8A5CFF 14%,var(--surface)));border-radius:18px;padding:16px;max-width:min(520px,100%)}
.msg.limit-card strong{font-family:var(--f-display);font-size:16px}
.msg.limit-card p{margin:6px 0 0;font-size:14px;line-height:1.5;color:var(--ink)}
.msg.limit-card .auth-go{margin:0}

.get-app{display:inline-flex;align-items:center;gap:8px;margin-top:18px;font-size:14px;color:var(--muted);text-decoration:none;border-bottom:1px solid transparent}
.get-app:hover{color:var(--ink);border-bottom-color:var(--line)}
.get-app svg{width:16px;height:16px}
a.fbtn{text-decoration:none;display:inline-flex;align-items:center}
@media (display-mode: standalone){.get-app,#dlRow{display:none}}

/* Orb glow: let it spread to the screen edge instead of being cut off by the chat area */
.scroller{margin-inline:calc(-1 * max(16px, env(safe-area-inset-left,0px)));padding-inline:max(16px, env(safe-area-inset-left,0px));-webkit-mask-image:linear-gradient(to bottom,transparent 0,#000 18px);mask-image:linear-gradient(to bottom,transparent 0,#000 18px)}
.has-msgs .hero{padding-top:18px}

/* Off-screen page used to make PDFs: always light, A4 width */
#pdfDoc{position:fixed;left:-10000px;top:0;width:794px;padding:64px 72px;background:#fff;color:#121430;border:0;overflow:visible;height:auto;max-height:none;flex:none;font-family:"Readex Pro","Segoe UI",Tahoma,Arial,sans-serif;font-size:15px;line-height:1.6;--line:#C9CCDA;--accent-soft:#EEEAFF;--ink:#121430;--muted:#5F6684}
#pdfDoc h1{font-size:24px;color:#2B1F8F}#pdfDoc h2{font-size:19px;color:#3A2BB8}#pdfDoc h3{font-size:16px}
#pdfDoc table{font-size:13px}
#pdfDoc.hand{font-family:"Caveat","Segoe Print","Bradley Hand","Comic Sans MS",cursive;font-size:21px;line-height:32px;color:#1F2A6B;background:#fff linear-gradient(transparent 31px,rgba(91,140,255,.22) 31px) 0 64px/100% 32px}
#pdfDoc.hand h1,#pdfDoc.hand h2,#pdfDoc.hand h3{font-family:"Caveat","Segoe Print","Bradley Hand","Comic Sans MS",cursive;color:#2B1F8F;line-height:1.3}
#pdfDoc.hand h1{font-size:34px}#pdfDoc.hand h2{font-size:28px}#pdfDoc.hand h3{font-size:24px}
#pdfDoc.hand p,#pdfDoc.hand li{margin:0}
.frow .fbtn{white-space:nowrap}