/* NhaTrang Chat — design tokens
   Light  "Vịnh buổi sáng" : sea-mist ground, harbour-navy ink, lagoon accent
   Dark   "Thuyền câu mực đêm": night sea, squid-boat lamp yellow as the light source */
:root{
  --bg:#E8F0F3; --bg2:#F4F8FA; --panel:#FFFFFF; --panel2:#E2ECF0; --line:#CFDDE3; --line2:#B8CBD3;
  --text:#12304A; --muted:#5B7486; --accent:#0B7A7A; --accent2:#1F5FD6; --accent-ink:#FFFFFF;
  --me:#0B7A7A; --me-ink:#FFFFFF; --them:#FFFFFF; --them-line:#D3E0E6;
  --danger:#D6402B; --warn:#B7791F; --ok:#13865B; --open:#13865B; --closed:#C2412D;
  --price:#0B5F8A; --tag:#FFFDF7; --tag-line:#E6D9BD; --string:#9DB2BC;
  --overlay:#0B1F2ECC; --shadow:0 1px 2px #12304A14, 0 8px 24px -12px #12304A33;
  --glow:transparent; --hover:#12304A0A; --code:#0B6A6A;
  --font:'Be Vietnam Pro',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  --display:'Bricolage Grotesque','Be Vietnam Pro',system-ui,sans-serif;
  /* bay scene (scene.js) — day */
  --day:1; --night:0;
  --b-sky0:#6EC6EE; --b-sky1:#C9EEFA; --b-sky2:#F2FBF7; --b-sea0:#1B86AE; --b-sea1:#1FAAC0; --b-sea2:#5CD6CF;
  --b-sand0:#F7E4B6; --b-sand1:#EBCB8E; --b-wet:#DDBA7E; --b-foam:#FFFFFF; --b-isle-far:#97C6CB; --b-isle:#5E9E95;
  --b-bldg:#FFF8EC; --b-roof:#E07A4F; --b-winrow:#7FB8D6; --b-trunk:#8A5A33; --b-trunk-ring:#6E4426; --b-leaf:#2E9A5A; --b-leaf2:#23804A; --b-nut:#6B4A1E;
  --b-ring:#FFFFFF; --b-ring2:#E6F4FA; --b-spoke:#FFFFFFB0; --b-leg:#E4EEF2; --b-cab0:#FF6B6B; --b-cab1:#FFC93C; --b-cab2:#3DB8F5;
  --b-tower:#56788A; --b-cable:#3F5B6A; --b-gcar:#FF5A4E; --b-gwin:#D6F1FF;
  --b-wave:#FFFFFF40; --b-horizon:#FFFFFF99; --b-crab:#E8523A; --b-claw:#D63F29; --b-crableg:#BF3824; --b-eye:#1B1B1B;
  --b-star-o:#FF9A3D; --b-star-p:#FF7FA8; --b-shell:#FFF4E0;
  color-scheme:light;
}
:root[data-theme="dark"]{
  --bg:#06131E; --bg2:#0A1B29; --panel:#0E2333; --panel2:#14304A; --line:#1C3A52; --line2:#285070;
  --text:#E4EEF3; --muted:#86A2B4; --accent:#FFC93C; --accent2:#5AB8FF; --accent-ink:#1E1600;
  --me:#FFC93C; --me-ink:#1E1600; --them:#11283B; --them-line:#1E3E57;
  --danger:#FF6B5B; --warn:#FFB547; --ok:#3DD9A0; --open:#3DD9A0; --closed:#FF8A7A;
  --price:#FFD45E; --tag:#112B40; --tag-line:#2A4B66; --string:#3D6280;
  --overlay:#020A11D9; --shadow:0 1px 2px #0006, 0 10px 30px -14px #000C;
  --glow:#FFC93C26; --hover:#FFFFFF0A; --code:#7FE3D6;
  --day:0; --night:1;
    --b-sky0:#020A16; --b-sky1:#0B2341; --b-sky2:#1B3D63; --b-sea0:#0D2D4C; --b-sea1:#08203A; --b-sea2:#061628;
    --b-sand0:#22374C; --b-sand1:#132334; --b-wet:#1A2F45; --b-foam:#8FB3CF80; --b-isle-far:#123150; --b-isle:#0A1F36;
    --b-bldg:#10304D; --b-roof:#0C2540; --b-winrow:#FFD27A; --b-trunk:#0A1626; --b-trunk-ring:#0A1626; --b-leaf:#0C1E30; --b-leaf2:#0F2438; --b-nut:#0A1626;
    --b-ring:#FF5FD2; --b-ring2:#5AD8FF; --b-spoke:#9B7CFF88; --b-leg:#1E3A55; --b-cab0:#FFE27A; --b-cab1:#FF9BE0; --b-cab2:#8BEBFF;
    --b-tower:#21405C; --b-cable:#2C4C69; --b-gcar:#FFC93C; --b-gwin:#FFF3B0;
    --b-wave:#9CC7E830; --b-horizon:#5C86B060; --b-crab:#B8674F; --b-claw:#A85844; --b-crableg:#8E4A39; --b-eye:#E8F4FF;
    --b-star-o:#7A5B50; --b-star-p:#6E5263; --b-shell:#5F7387;
  color-scheme:dark;
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --bg:#06131E; --bg2:#0A1B29; --panel:#0E2333; --panel2:#14304A; --line:#1C3A52; --line2:#285070;
    --text:#E4EEF3; --muted:#86A2B4; --accent:#FFC93C; --accent2:#5AB8FF; --accent-ink:#1E1600;
    --me:#FFC93C; --me-ink:#1E1600; --them:#11283B; --them-line:#1E3E57;
    --danger:#FF6B5B; --warn:#FFB547; --ok:#3DD9A0; --open:#3DD9A0; --closed:#FF8A7A;
    --price:#FFD45E; --tag:#112B40; --tag-line:#2A4B66; --string:#3D6280;
    --overlay:#020A11D9; --shadow:0 1px 2px #0006, 0 10px 30px -14px #000C;
    --glow:#FFC93C26; --hover:#FFFFFF0A; --code:#7FE3D6;
    --day:0; --night:1;
    --b-sky0:#020A16; --b-sky1:#0B2341; --b-sky2:#1B3D63; --b-sea0:#0D2D4C; --b-sea1:#08203A; --b-sea2:#061628;
    --b-sand0:#22374C; --b-sand1:#132334; --b-wet:#1A2F45; --b-foam:#8FB3CF80; --b-isle-far:#123150; --b-isle:#0A1F36;
    --b-bldg:#10304D; --b-roof:#0C2540; --b-winrow:#FFD27A; --b-trunk:#0A1626; --b-trunk-ring:#0A1626; --b-leaf:#0C1E30; --b-leaf2:#0F2438; --b-nut:#0A1626;
    --b-ring:#FF5FD2; --b-ring2:#5AD8FF; --b-spoke:#9B7CFF88; --b-leg:#1E3A55; --b-cab0:#FFE27A; --b-cab1:#FF9BE0; --b-cab2:#8BEBFF;
    --b-tower:#21405C; --b-cable:#2C4C69; --b-gcar:#FFC93C; --b-gwin:#FFF3B0;
    --b-wave:#9CC7E830; --b-horizon:#5C86B060; --b-crab:#B8674F; --b-claw:#A85844; --b-crableg:#8E4A39; --b-eye:#E8F4FF;
    --b-star-o:#7A5B50; --b-star-p:#6E5263; --b-shell:#5F7387;
    color-scheme:dark;
  }
}
*{box-sizing:border-box}
html,body{margin:0;height:100%;background:var(--bg);color:var(--text);font:15px/1.55 var(--font);-webkit-font-smoothing:antialiased}
button,input,textarea,select{font:inherit;color:inherit}
a{color:var(--accent2)}
:focus-visible{outline:2px solid var(--accent2);outline-offset:2px}
.hidden{display:none!important}
.boot{display:grid;place-items:center;height:100vh;color:var(--muted)}
.ico{width:20px;height:20px;flex:none;display:block}
h1,h2,h3{font-family:var(--display);letter-spacing:-.01em}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}

/* ---------- controls ---------- */
.btn{border:0;border-radius:12px;padding:10px 16px;background:var(--accent);color:var(--accent-ink);font-weight:600;cursor:pointer;display:inline-flex;align-items:center;gap:8px;text-decoration:none;transition:transform .12s, filter .12s}
.btn:hover{filter:brightness(1.06)} .btn:active{transform:translateY(1px)} .btn:disabled{opacity:.5;cursor:default}
.btn.ghost{background:transparent;color:var(--text);border:1px solid var(--line2)}
.btn.ghost:hover{background:var(--hover)}
.btn.danger{background:var(--danger);color:#fff}
.btn.sm{padding:6px 11px;font-size:13px;border-radius:10px}
.input{width:100%;background:var(--bg2);border:1px solid var(--line);border-radius:12px;padding:11px 13px;outline:none;transition:border-color .12s}
.input:focus{border-color:var(--accent)}
select.input{appearance:auto}
label.f{display:block;font-size:13px;color:var(--muted);margin:12px 0 6px;font-weight:500}
.muted{color:var(--muted)} .small{font-size:12.5px}
.pill{display:inline-flex;align-items:center;gap:6px;font-size:12px;padding:3px 10px;border-radius:99px;background:var(--panel2);color:var(--muted)}
.pill.ok{color:var(--ok)}
.dot{width:8px;height:8px;border-radius:50%;background:var(--line2);display:inline-block;flex:none}
.dot.on{background:var(--ok);box-shadow:0 0 0 3px color-mix(in srgb,var(--ok) 22%,transparent)}
.linkbtn{border:0;background:none;padding:0;color:var(--accent2);cursor:pointer;font-size:inherit;text-decoration:underline;text-underline-offset:2px}
.open{color:var(--open)}.closed{color:var(--closed)}
.pre{white-space:pre-wrap}
code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12.5px;color:var(--code)}
.theme-btn{width:40px;height:40px;border-radius:12px;border:1px solid var(--line);background:var(--panel);display:grid;place-items:center;cursor:pointer;color:var(--text)}

/* brand mark: a basket-boat (thúng chai) seen from above, holding a speech line */
.logo{width:38px;height:38px;border-radius:50%;background:var(--accent);color:var(--accent-ink);display:grid;place-items:center;flex:none}
.logo svg{width:22px;height:22px}
.brand{display:flex;align-items:center;gap:11px;font-family:var(--display);font-weight:700;font-size:20px}

/* ---------- auth ---------- */
.feat{display:grid;gap:14px;max-width:560px;position:relative;z-index:1}
.feat div{display:flex;gap:14px;align-items:flex-start}
.feat i{font-style:normal;width:34px;height:34px;flex:none;border-radius:50%;border:1px solid var(--line2);display:grid;place-items:center;color:var(--accent)}
.feat i svg{width:18px;height:18px}
.feat b{font-weight:600}
.feat span{color:var(--muted)} .feat span b{color:var(--text)}
.card{width:100%;max-width:410px;background:var(--panel);border:1px solid var(--line);border-radius:22px;padding:26px;box-shadow:var(--shadow)}
.tabs{display:flex;gap:4px;background:var(--bg2);padding:4px;border-radius:14px;margin-bottom:8px;border:1px solid var(--line)}
.tabs button{flex:1;border:0;background:transparent;padding:8px 6px;border-radius:10px;color:var(--muted);cursor:pointer;font-size:13.5px}
.tabs button.on{background:var(--panel);color:var(--text);font-weight:600;box-shadow:var(--shadow)}
.err{color:var(--danger);font-size:13px;min-height:18px;margin-top:10px}
.lang-sel{width:auto;padding:7px 10px;font-size:13.5px;border-radius:10px}

/* ---------- shell ---------- */
.shell{display:grid;grid-template-columns:76px 330px 1fr;height:100vh;height:100dvh}
.rail{background:var(--bg2);border-right:1px solid var(--line);display:flex;flex-direction:column;align-items:center;padding:16px 0;gap:6px}
.rail button{width:52px;height:52px;border-radius:16px;border:0;background:transparent;cursor:pointer;display:grid;place-items:center;position:relative;color:var(--muted);transition:background .12s,color .12s}
.rail button:hover{background:var(--hover);color:var(--text)}
.rail button.on{background:var(--panel);color:var(--accent);box-shadow:var(--shadow)}
.rail button .ico{width:23px;height:23px}
.rail button .badge{position:absolute;top:6px;right:6px;min-width:17px;height:17px;border-radius:9px;background:var(--danger);font-size:10.5px;color:#fff;display:grid;place-items:center;padding:0 4px;font-weight:700}
.rail .sp{flex:1}
.side{background:var(--panel);border-right:1px solid var(--line);display:flex;flex-direction:column;min-width:0}
.side-h{padding:18px 16px 10px;display:flex;align-items:center;justify-content:space-between;gap:8px}
.side-h h2{margin:0;font-size:22px;font-weight:700}
.side-s{padding:0 16px 10px}
.list{overflow:auto;flex:1;padding:4px 8px 16px}
.item{display:flex;gap:12px;align-items:center;padding:10px;border-radius:14px;cursor:pointer;color:inherit;text-decoration:none}
.item:hover{background:var(--hover)} .item.on{background:var(--panel2)}
.av{width:44px;height:44px;border-radius:50%;flex:none;display:grid;place-items:center;font-weight:700;color:#0B1E2C;position:relative;font-family:var(--display)}
.av .dot{position:absolute;right:0;bottom:0;border:2px solid var(--panel);width:12px;height:12px}
.item .t{min-width:0;flex:1} .item .n{font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.item .p{font-size:13px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.unread{background:var(--accent);color:var(--accent-ink);font-size:11px;font-weight:700;border-radius:99px;padding:1px 8px}
.cat{font-size:12.5px;color:var(--muted);padding:16px 10px 4px;font-weight:600}
.route{margin:10px 12px 12px;padding:10px 12px;border-radius:14px;background:var(--bg2);border:1px solid var(--line);font-size:12.5px;display:flex;align-items:center;gap:8px}
.route b{font-weight:600}

.main{display:flex;flex-direction:column;min-width:0;background:var(--bg);position:relative}
.main-h{height:70px;flex:none;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:12px;padding:0 20px;background:var(--panel)}
.main-h .back{display:none}
.main-h .ttl{flex:1;min-width:0} .main-h .ttl b{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-family:var(--display);font-size:17px}
.e2e{display:inline-flex;gap:5px;align-items:center;color:var(--ok);font-size:12.5px}

/* ---------- conversation ---------- */
.msgs{flex:1;overflow:auto;padding:22px clamp(14px,3vw,36px) 10px;display:flex;flex-direction:column;gap:4px}
.msg{max-width:min(70%,640px);min-width:0;padding:9px 14px 7px;border-radius:20px;background:var(--them);border:1px solid var(--them-line);align-self:flex-start;overflow-wrap:anywhere;white-space:pre-wrap;margin-top:6px}
.msg.me{background:var(--me);color:var(--me-ink);border-color:transparent;align-self:flex-end;border-bottom-right-radius:6px;box-shadow:0 6px 22px -10px var(--glow)}
.msg:not(.me):not(.sys){border-bottom-left-radius:6px}
.msg.me+.msg.me,.msg:not(.me):not(.sys)+.msg:not(.me):not(.sys){margin-top:0}
.msg .who{font-size:12.5px;font-weight:700;color:var(--accent2);margin-bottom:1px}
.msg .meta{font-size:11px;opacity:.68;margin-top:2px;text-align:right}
.msg.sys{align-self:center;background:transparent;border:0;color:var(--muted);font-size:12.5px;text-align:center;max-width:min(92%,520px);padding:10px 0}
.msg.err{background:color-mix(in srgb,var(--danger) 12%,var(--them));border-color:color-mix(in srgb,var(--danger) 35%,transparent)}
@media (pointer:coarse){.msg[data-dm-id]{user-select:none;-webkit-user-select:none}}
.msg.dm-selected{outline:3px solid var(--accent);outline-offset:2px}
.dm-selection-bar{display:flex;align-items:center;gap:8px;padding:8px 16px;background:var(--panel);border-bottom:1px solid var(--line);flex-wrap:wrap}
.dm-selection-bar span{margin-right:auto;font-weight:700}
.dm-menu-button{font-size:22px;min-width:38px}
@media (max-width:480px){.dm-selection-bar span{flex-basis:100%}.dm-selection-bar .btn{flex:1;justify-content:center}}
.file{display:flex;gap:11px;align-items:center;min-width:0}
.file .ic{width:42px;height:42px;border-radius:12px;background:color-mix(in srgb,currentColor 12%,transparent);display:grid;place-items:center;font-size:20px;flex:none}
.file .fn{font-weight:600;overflow-wrap:anywhere}
.bar{height:4px;background:color-mix(in srgb,currentColor 15%,transparent);border-radius:3px;overflow:hidden;margin-top:6px}
.bar i{display:block;height:100%;background:currentColor;width:0;transition:width .2s}
.msg img.pv{max-width:min(320px,100%);max-height:320px;width:auto;height:auto;border-radius:14px;display:block;object-fit:cover;background:color-mix(in srgb,currentColor 8%,transparent)}
.pvbtn{display:block;padding:0;margin:0 0 8px;border:0;background:none;cursor:zoom-in;border-radius:14px;max-width:100%}
.pvbtn:focus-visible{outline:2px solid var(--accent,#0B7A7A);outline-offset:2px}
.zinfo{margin-top:2px}
.lbbox{padding:14px}
.lb img{display:block;max-width:100%;max-height:74vh;margin:0 auto;border-radius:12px;object-fit:contain}
.prod{display:flex;gap:10px;background:color-mix(in srgb,currentColor 9%,transparent);border-radius:12px;padding:8px;margin:2px 0 6px}
.prod img{width:54px;height:54px;object-fit:cover;border-radius:9px}
.composer{padding:12px 16px 16px;display:flex;gap:10px;align-items:flex-end;background:var(--bg)}
.composer textarea{flex:1;resize:none;max-height:140px;min-height:48px;overflow-y:auto;scrollbar-width:none;background:var(--panel);border:1px solid var(--line);border-radius:24px;padding:12px 18px;outline:none;box-shadow:var(--shadow)}
.composer textarea::-webkit-scrollbar{display:none}
.composer textarea:focus{border-color:var(--accent)}
.composer .icb{width:48px;height:48px;border-radius:50%;border:1px solid var(--line);background:var(--panel);cursor:pointer;flex:none;display:grid;place-items:center;color:var(--muted)}
.composer .btn{height:48px;border-radius:24px;padding:0 20px}
.typing{font-size:12px;color:var(--muted);padding:0 24px;height:16px}
.empty{flex:1;display:grid;place-items:center;text-align:center;color:var(--muted);padding:30px}
.empty h3{color:var(--text);margin:14px 0 6px;font-size:24px}
.empty .eico{width:72px;height:72px;border-radius:50%;margin:0 auto;display:grid;place-items:center;border:1px dashed var(--line2);color:var(--accent)}
.empty .eico svg{width:32px;height:32px}
.msg.me .linkbtn{color:inherit}
.orig-hidden{display:none}
.is-tr{cursor:help}
.rep{font-size:11px;opacity:.8;text-decoration:none!important}

/* ---------- showroom in app ---------- */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:18px;padding:22px;overflow:auto}
.shop{background:var(--panel);border:1px solid var(--line);border-radius:20px;overflow:hidden;cursor:pointer;transition:transform .15s,box-shadow .15s}
.shop:hover{transform:translateY(-2px);box-shadow:var(--shadow)}
.shop .cv{height:120px;background:linear-gradient(135deg,var(--accent),var(--accent2));background-size:cover;background-position:center;position:relative}
.shop .cv::after,.hero::before{content:"";position:absolute;left:0;right:0;top:0;height:14px;background:repeating-linear-gradient(90deg,var(--awn,var(--accent)) 0 22px,#ffffffd9 22px 44px);
  -webkit-mask:radial-gradient(11px 7px at 11px 100%,#0000 98%,#000) 0 0/22px 100%;mask:radial-gradient(11px 7px at 11px 100%,#0000 98%,#000) 0 0/22px 100%}
.shop .bd{padding:12px 14px 14px}
.shop .bd b{font-family:var(--display);font-size:17px}
.vb{display:inline-grid;place-items:center;width:18px;height:18px;border-radius:50%;background:var(--accent2);color:#fff;font-size:11px;vertical-align:2px}
.hero{position:relative;min-height:190px;background:linear-gradient(135deg,var(--accent),var(--accent2));background-size:cover;background-position:center;border-radius:22px;margin:20px 20px 0;display:flex;align-items:flex-end;gap:16px;padding:30px 20px 18px;color:#fff}
.hero::before{height:18px;border-radius:22px 22px 0 0}
.hero h2{margin:0;font-size:28px;text-shadow:0 2px 14px #0008}
.hlogo{width:72px;height:72px;border-radius:50%;flex:none;display:grid;place-items:center;font-size:30px;font-weight:700;color:#0B1E2C;overflow:hidden;border:3px solid #fff;font-family:var(--display)}
.hlogo img{width:100%;height:100%;object-fit:cover}
.shopinfo{padding:12px 22px 0}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:6px}
.chips>*{font-size:13px;padding:6px 11px;border-radius:99px;background:var(--panel);border:1px solid var(--line);color:var(--text);text-decoration:none}
.scroll{overflow:auto;flex:1}
.settings-page{padding:20px;max-width:720px;width:100%}
.settings-intro{margin:0 0 18px;color:var(--muted);font-size:14px}
.settings-group{margin:0 0 10px;border:1px solid var(--line);border-radius:16px;background:var(--panel);overflow:hidden}
.settings-group>summary,.settings-subgroup>summary{cursor:pointer;list-style:none;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:16px 18px;font-weight:700}
.settings-group>summary::-webkit-details-marker,.settings-subgroup>summary::-webkit-details-marker{display:none}
.settings-group>summary::after,.settings-subgroup>summary::after{content:'⌄';color:var(--muted);font-size:20px;font-weight:400;transition:transform .2s}
.settings-group[open]>summary::after,.settings-subgroup[open]>summary::after{transform:rotate(180deg)}
.settings-group[open]>summary{border-bottom:1px solid var(--line)}
.settings-body{padding:18px}
.settings-subgroup{border:1px solid var(--line);border-radius:12px;margin-top:16px}
.settings-subgroup .settings-body{padding-top:0}
@media(max-width:600px){.settings-page{padding:12px}.settings-body{padding:14px}.settings-group>summary{padding:15px}}

/* the memorable thing: products are paper price tags hanging on a string, like at Chợ Đầm */
.pcard{position:relative;background:var(--tag);border:1px solid var(--tag-line);border-radius:14px 14px 18px 18px;padding:26px 12px 14px;margin-top:18px;box-shadow:var(--shadow);transform:rotate(var(--tilt,-.6deg));transition:transform .2s}
.pcard:nth-child(3n+2){--tilt:.7deg}.pcard:nth-child(3n){--tilt:-.2deg}
.pcard:hover{transform:rotate(0) translateY(-2px)}
.pcard::before{content:"";position:absolute;top:9px;left:50%;width:11px;height:11px;margin-left:-5.5px;border-radius:50%;background:var(--bg);border:1.5px solid var(--tag-line)}
.pcard::after{content:"";position:absolute;top:-19px;left:50%;width:1.5px;height:30px;background:var(--string);transform:rotate(calc(var(--tilt,-.6deg) * -6));transform-origin:bottom}
.pcard .im{height:150px;border-radius:10px;background:var(--panel2) center/cover;display:grid;place-items:center;font-size:40px;position:relative}
.pcard .im span{opacity:.45;color:var(--muted)}.pcard .im span .ico{width:40px;height:40px}
.av .ico{width:22px;height:22px}
.pcard .bd{padding:10px 4px 0}
.pcard .bd>b{display:block;font-weight:600;line-height:1.3}
.price{font-family:var(--display);font-weight:800;color:var(--price);font-size:21px;letter-spacing:-.01em}
.pcard s{font-size:12.5px}
.salebadge{position:absolute;top:8px;left:8px;background:var(--danger);color:#fff;font-size:12px;font-style:normal;font-weight:700;padding:2px 9px;border-radius:99px}
.clamp{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

/* ---------- modal & toast ---------- */
.modal{position:fixed;inset:0;background:var(--overlay);display:grid;place-items:center;z-index:50;padding:16px;backdrop-filter:blur(3px)}
.modal-box{width:100%;max-width:490px;background:var(--panel);border:1px solid var(--line);border-radius:22px;padding:24px;max-height:90vh;overflow:auto;box-shadow:var(--shadow)}
.modal-box.wide{max-width:740px}
.modal-box h3{margin:0 0 8px;font-size:22px}
.row{display:flex;gap:10px;align-items:center} .row.end{justify-content:flex-end;margin-top:18px}
.code{font:700 38px/1 var(--display);letter-spacing:.16em;color:var(--accent);text-align:center;padding:18px;background:var(--bg2);border-radius:16px;margin:12px 0;border:1px solid var(--line)}
.fp{font:13px ui-monospace,Menlo,monospace;color:var(--muted);text-align:center;word-spacing:6px}
.toast{position:fixed;bottom:22px;left:50%;transform:translateX(-50%);background:var(--text);color:var(--bg);padding:11px 18px;border-radius:14px;z-index:60;font-size:14px;max-width:min(92vw,520px);box-shadow:var(--shadow)}
.opt{display:flex;gap:10px;align-items:flex-start;padding:12px 14px;border:1px solid var(--line);border-radius:14px;margin-bottom:8px;cursor:pointer}
.opt.on{border-color:var(--accent);background:color-mix(in srgb,var(--accent) 8%,transparent)}
.opt input{margin-top:4px;accent-color:var(--accent)}
.relay-row{display:flex;justify-content:space-between;font-size:13px;padding:7px 0;border-bottom:1px dashed var(--line)}
.etabs{flex-wrap:wrap}
.g2{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.prefix{display:flex;align-items:center;background:var(--bg2);border:1px solid var(--line);border-radius:12px;overflow:hidden}
.prefix span{padding:0 4px 0 12px;color:var(--muted);font-size:13.5px;white-space:nowrap}
.prefix .input{border:0;background:transparent;padding-left:2px}
.thumb{width:74px;height:74px;border-radius:14px;background:var(--panel2) center/cover;border:1px solid var(--line);flex:none;position:relative}
.thumb button{position:absolute;top:-7px;right:-7px;width:23px;height:23px;border-radius:50%;border:0;background:var(--danger);color:#fff;cursor:pointer;font-size:11px}
.thumb.add{display:grid;place-items:center;font-size:26px;color:var(--muted);cursor:pointer;border-style:dashed}
.thumbs{display:flex;gap:10px;flex-wrap:wrap}
.imgf .row{align-items:flex-start}
.hedit{width:100%;border-collapse:collapse}.hedit td{padding:4px 4px 4px 0}.hedit .input{padding:7px 8px}
.dombox{background:var(--bg2);border:1px solid var(--line);border-radius:14px;padding:12px}
table.dns{width:100%;border-collapse:collapse;font-size:13px;margin:6px 0}
table.dns th,table.dns td{text-align:left;padding:6px;border-bottom:1px solid var(--line);word-break:break-all}
table.dns th:first-child,table.dns td:first-child{word-break:normal;white-space:nowrap;width:1%}

@media (max-width:860px){
  .shell{grid-template-columns:1fr;grid-template-rows:1fr 66px}
  .rail{flex-direction:row;order:2;border-right:0;border-top:1px solid var(--line);justify-content:space-around;padding:6px}
  .rail .sp,.rail .logo{display:none}
  .side,.main{grid-row:1;grid-column:1}
  .shell.in-main .side{display:none} .shell:not(.in-main) .main{display:none}
  .main-h .back{display:inline-flex}
  .msg{max-width:86%}
  .grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;padding:14px}
  .pcard .im{height:110px} .price{font-size:18px}
  .hero{margin:14px 14px 0}
}
@media (max-width:600px){.g2{grid-template-columns:1fr}}
.msg .file{white-space:normal}
.msg.me .muted{color:inherit;opacity:.78}
.hero .open{color:#7CF5C4}.hero .closed{color:#FFB1A6}
.theme-btn svg{width:18px;height:18px}
.file-pick{position:relative;display:flex;align-items:center;justify-content:center;gap:10px;min-height:54px;padding:12px 16px;border-radius:14px;background:var(--accent);color:var(--accent-ink);font-weight:700;cursor:pointer;margin:14px 0}
.file-pick input{position:absolute;inset:0;width:100%;height:100%;opacity:0;cursor:pointer}
.file-pick:focus-within{outline:2px solid var(--accent2);outline-offset:3px}
.file-action{display:inline-block;margin-left:6px;cursor:pointer;font-weight:700;text-decoration:underline}
.file-repick{position:relative}
.file-repick input{position:absolute;inset:0;width:100%;height:100%;opacity:0;cursor:pointer}
#transfer-tray{position:fixed;right:16px;bottom:16px;z-index:80;max-width:min(380px,calc(100vw - 32px));width:100%;padding:8px;background:var(--panel);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow)}
#transfer-tray[hidden]{display:none}
.transfer-item{display:flex;align-items:center;gap:8px}
.transfer-item+.transfer-item{border-top:1px solid var(--line);margin-top:6px;padding-top:6px}
.transfer-open{flex:1;min-width:0;text-align:left;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;border:0;background:transparent;color:var(--text);font:inherit;cursor:pointer}
.transfer-cancel{width:34px;height:34px;border-radius:9px;border:1px solid var(--line);background:var(--bg);color:var(--text);font-size:23px;cursor:pointer}
@media(max-width:860px){#transfer-tray{bottom:74px}.composer{padding:8px;gap:6px}.composer .icb{width:44px;height:44px}.composer .btn{height:44px;padding:0 13px}.composer .send-label{display:none}.msg{max-width:92%}}
@media(max-width:600px){
  .msg:has(>.file){width:min(76%,280px);max-width:92%;padding:8px 10px 6px;border-radius:15px}
  .msg:has(>.file) .file{gap:8px;align-items:flex-start}
  .msg:has(>.file) .file .ic{width:34px;height:34px;border-radius:9px;font-size:17px}
  .msg:has(>.file) .fn{font-size:13.5px;line-height:1.3;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .msg:has(>.file) .fst{font-size:12px;line-height:1.35}
  .msg:has(>.file) .fst .btn{padding:4px 8px;font-size:11.5px}
}

/* passcode gate */
.gate{min-height:100vh;display:grid;place-items:center;padding:24px;background:var(--bg2)}
.gate-card{max-width:440px}
.gate-card h2{margin:8px 0 6px;font-size:26px}
.gate-ico{width:56px;height:56px;border-radius:50%;display:grid;place-items:center;color:var(--accent);border:1px dashed var(--line2);margin-top:4px}
.gate-ico svg{width:26px;height:26px}
.gate .brand{font-size:17px}.gate .logo{width:32px;height:32px}.gate .logo svg{width:19px;height:19px}
.gate .theme-btn{width:36px;height:36px}
.gate .brand{white-space:nowrap}
@media (max-width:480px){.gate{padding:14px}.gate .brand{font-size:15px}.gate .lang-sel{padding:6px 6px;font-size:12.5px;max-width:120px}}
.gate-card{width:100%;min-width:0}
.gate-head{justify-content:space-between;flex-wrap:wrap;gap:10px;margin-bottom:18px}
@media (max-width:480px){.gate-card{padding:20px}}
[hidden]{display:none!important}

/* ===== Messenger-style chat: info panel, reply, reactions, pins ===== */
.icb{display:grid;place-items:center;cursor:pointer;border:0;background:transparent;color:var(--text);border-radius:50%;flex:none}
.main:has(> .chat-col){flex-direction:row;min-height:0;overflow:hidden}
.chat-col,.info{min-height:0}
.composer textarea::placeholder{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.chat-col{flex:1;min-width:0;display:flex;flex-direction:column;position:relative}
.mh-who{flex:1;min-width:0;display:flex;align-items:center;gap:12px;border:0;background:none;color:inherit;font:inherit;text-align:left;cursor:pointer;padding:6px 8px;margin-left:-8px;border-radius:12px}
.mh-who:hover{background:var(--bg2)}
.mh-who .ttl{flex:1;min-width:0}
.mh-who .ttl .e2e{display:block;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.icb.hd{width:40px;height:40px;border-radius:50%;color:var(--accent);background:transparent;border:0}
.icb.hd[aria-pressed=true]{background:color-mix(in srgb,var(--accent) 16%,transparent)}
.icb.sm{width:34px;height:34px;font-size:20px}
.info{display:block;width:340px;flex:none;border-left:1px solid var(--line);background:var(--panel);overflow:auto}
.info-in{padding:8px 10px 24px;box-sizing:border-box;width:100%}
.itop{display:flex;flex-direction:column;align-items:center;gap:6px;padding:20px 8px 12px;text-align:center}
.itop .av{width:76px;height:76px;font-size:30px}
.iname{font-family:var(--display);font-size:18px}
.e2e-pill{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;font-weight:600;padding:4px 12px;border-radius:99px;background:var(--bg2);border:1px solid var(--line)}
.e2e-pill svg{width:14px;height:14px}
.iacts{display:flex;gap:18px;margin-top:10px}
.iacts button{display:flex;flex-direction:column;align-items:center;gap:6px;border:0;background:none;color:var(--text);font:inherit;font-size:12.5px;cursor:pointer}
.iacts button svg{width:36px;height:36px;padding:8px;border-radius:50%;background:var(--bg2);box-sizing:border-box}
.info details{border-top:1px solid var(--line);padding:4px 0}
.info summary{list-style:none;display:flex;align-items:center;justify-content:space-between;cursor:pointer;font-weight:700;padding:10px 8px;border-radius:10px}
.info summary::-webkit-details-marker{display:none}
.info summary svg{width:18px;height:18px;transition:transform .15s}
.info details:not([open]) summary svg{transform:rotate(-90deg)}
.info summary:hover,.irow:hover,.frow:hover{background:var(--bg2)}
.irow,.frow{display:flex;align-items:center;gap:12px;width:100%;border:0;background:none;color:var(--text);font:inherit;text-align:left;padding:9px 8px;border-radius:10px;cursor:pointer;min-height:44px}
.irow>svg,.frow .fic svg{width:22px;height:22px;flex:none}
.irow span,.frow span:last-child{display:flex;flex-direction:column;min-width:0}
.irow small,.frow small{color:var(--muted);font-size:12.5px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.frow b{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-weight:600}
.frow .fic{width:36px;height:36px;border-radius:10px;background:var(--bg2);display:grid;place-items:center;flex:none;font-size:18px}
.swatch{width:22px;height:22px;border-radius:50%;flex:none}
.qeico{width:22px;text-align:center;font-size:19px;flex:none}
.ihead{display:flex;align-items:center;gap:8px;padding:6px 2px 10px}
.ihead b{font-size:16px}
.ipad{padding:6px 8px}
.pinrow{display:flex;align-items:center;gap:6px}.pinrow .frow{flex:1;min-width:0}
.pinbar{display:flex;align-items:center;gap:10px;padding:6px 16px;background:var(--panel);border-bottom:1px solid var(--line)}
.pin-go{flex:1;min-width:0;display:flex;align-items:center;gap:10px;border:0;background:none;color:var(--text);font:inherit;text-align:left;cursor:pointer;padding:4px 0}
.pin-go svg{width:18px;height:18px;color:var(--accent);flex:none}
.pin-t{display:flex;flex-direction:column;min-width:0;font-size:13px}
.pin-t span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--muted)}
.replybar{display:flex;align-items:center;gap:10px;margin:0 16px;padding:8px 8px 8px 14px;border-left:3px solid var(--accent);background:var(--panel);border-radius:10px}
.rb-t{flex:1;min-width:0;display:flex;flex-direction:column;font-size:13px}
.rb-t span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--muted)}
.msg{position:relative}
.msg .rq{display:flex;flex-direction:column;align-items:flex-start;max-width:100%;margin:-1px 0 6px;padding:6px 10px;border:0;border-left:3px solid currentColor;border-radius:10px;background:color-mix(in srgb,currentColor 10%,transparent);color:inherit;font:inherit;font-size:13px;text-align:left;cursor:pointer;white-space:normal}
.msg .rq b{font-size:12px;opacity:.85}
.msg .rq span{opacity:.8;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.msg.big{background:transparent!important;border-color:transparent!important;box-shadow:none!important;font-size:42px;line-height:1.15;padding:2px 4px}
.msg.big .meta{font-size:11px;color:var(--muted)}
.msg.has-rx{margin-bottom:16px}
.msg .rx{position:absolute;bottom:-17px;right:10px;display:inline-flex;align-items:center;gap:3px;padding:1px 7px;border-radius:99px;background:var(--panel);border:1px solid var(--line);box-shadow:var(--shadow);font-size:14px;line-height:20px;color:var(--text);cursor:pointer}
.msg:not(.me) .rx{right:auto;left:10px}
.msg .rx span{font-size:12px;color:var(--muted)}
.msg .mact{position:absolute;top:50%;transform:translateY(-50%);display:none;gap:2px;padding:0 6px}
.msg.me .mact{right:100%;flex-direction:row-reverse}
.msg:not(.me) .mact{left:100%}
.msg .mact button{width:30px;height:30px;border:0;border-radius:50%;background:transparent;color:var(--muted);display:grid;place-items:center;cursor:pointer}
.msg .mact button:hover{background:var(--panel2);color:var(--text)}
.msg .mact svg{width:18px;height:18px}
@media (hover:hover) and (pointer:fine){.msg:hover>.mact,.msg:focus-within>.mact{display:flex}}
.rpick{position:absolute;bottom:calc(100% + 4px);display:flex;gap:2px;padding:4px 6px;border-radius:99px;background:var(--panel);border:1px solid var(--line);box-shadow:var(--shadow);z-index:20}
.msg.me .rpick{right:0}.msg:not(.me) .rpick{left:0}
.rpick button{width:36px;height:36px;border:0;background:none;font-size:24px;line-height:1;border-radius:50%;cursor:pointer;transition:transform .1s}
.rpick button:hover{transform:scale(1.18);background:var(--bg2)}
.msg.flash{animation:flash 1.3s ease}
@keyframes flash{0%,40%{outline:3px solid var(--accent2);outline-offset:3px}100%{outline:3px solid transparent;outline-offset:3px}}
.msheet .rrow{display:flex;justify-content:space-between;gap:4px;padding:6px;border-radius:99px;background:var(--bg2);margin-bottom:10px}
.msheet .rrow button{width:42px;height:42px;border:0;background:none;font-size:26px;border-radius:50%;cursor:pointer}
.msheet .rrow button.on{background:color-mix(in srgb,var(--accent) 22%,transparent)}
.msheet .snip{font-size:13px;color:var(--muted);padding:2px 6px 8px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.mitem{display:flex;align-items:center;gap:12px;width:100%;min-height:46px;border:0;background:none;color:var(--text);font:inherit;font-weight:600;text-align:left;padding:8px 10px;border-radius:12px;cursor:pointer}
.mitem:hover{background:var(--bg2)}.mitem svg{width:20px;height:20px}
.mitem.danger{color:var(--danger)}
.emoji-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(44px,1fr));gap:4px;margin:10px 0}
.emoji-grid button{height:44px;border:0;background:none;font-size:26px;border-radius:10px;cursor:pointer}
.emoji-grid button:hover{background:var(--bg2)}
.colors{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:14px 0}
.colors button{aspect-ratio:1;border-radius:50%;border:3px solid transparent;cursor:pointer;color:var(--me-ink);font-weight:700}
.colors button.on{border-color:var(--text)}
.rxlist{display:flex;flex-direction:column;gap:8px;margin:10px 0}
.rxrow{display:flex;align-items:center;gap:10px}.rxrow b{flex:1}.rxe{font-size:22px}
.composer .qe{font-size:24px;line-height:1}
.composer.is-empty .btn{display:none}
.composer:not(.is-empty) .qe{display:none}
@media (max-width:860px){
  .info{position:fixed;inset:0;z-index:60;width:auto;border-left:0}
  .info-in{max-width:560px;margin:0 auto}
  .replybar{margin:0 8px}
}

/* ===== emoji panel, stickers, voice notes, disappearing, block, report ===== */
.composer:not(.is-empty) .mic{display:none}
.composer.ttl-on textarea{border-color:color-mix(in srgb,var(--accent) 55%,var(--line))}
.epanel{margin:0 16px;background:var(--panel);border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);display:flex;flex-direction:column;max-height:min(360px,46vh);overflow:hidden}
.ep-tabs{display:flex;align-items:center;gap:4px;padding:6px 6px 0;flex:none}
.ep-tabs [role=tab]{border:0;background:none;color:var(--muted);font:inherit;font-weight:700;padding:8px 14px;border-radius:10px;cursor:pointer}
.ep-tabs [role=tab][aria-selected=true]{color:var(--text);background:var(--bg2)}
.ep-tabs .ep-x{margin-left:auto}
.ep-cats{flex:none;display:flex;gap:2px;padding:4px 6px;border-bottom:1px solid var(--line);overflow-x:auto;scrollbar-width:none}
.ep-cats button{border:0;background:none;font-size:20px;width:38px;height:36px;border-radius:9px;cursor:pointer;flex:none}
.ep-cats button:hover{background:var(--bg2)}
.ep-body{flex:1;min-height:0;overflow:auto;padding:4px 8px 10px}
.ep-body h4{margin:8px 4px 4px;font-size:12px;color:var(--muted);font-weight:700}
.ep-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(40px,1fr))}
.ep-grid button{height:40px;border:0;background:none;font-size:24px;border-radius:9px;cursor:pointer;padding:0}
.ep-grid button:hover{background:var(--bg2)}
.stk-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(88px,1fr));gap:6px;padding:6px 0}
.stk-grid button{border:0;background:none;border-radius:14px;padding:4px;cursor:pointer;display:grid;place-items:center}
.stk-grid button:hover{background:var(--bg2)}
.msg img.stk{display:block;width:132px;height:132px;user-select:none;-webkit-user-drag:none}
.msg.voice{min-width:220px}
.vbub{display:flex;align-items:center;gap:10px;white-space:normal}
.vplay{width:38px;height:38px;border-radius:50%;border:0;background:color-mix(in srgb,currentColor 16%,transparent);color:inherit;display:grid;place-items:center;cursor:pointer;flex:none}
.vplay svg{width:20px;height:20px}
.vwave{flex:1;height:22px;min-width:90px;border-radius:6px;background:repeating-linear-gradient(90deg,color-mix(in srgb,currentColor 30%,transparent) 0 3px,transparent 3px 6px);position:relative;overflow:hidden}
.vwave i{position:absolute;inset:0 auto 0 0;width:0;background:repeating-linear-gradient(90deg,currentColor 0 3px,transparent 3px 6px);transition:width .2s linear}
.vdur{font-size:12.5px;font-variant-numeric:tabular-nums;opacity:.85}
.recbar{display:flex;align-items:center;gap:10px;padding:12px 16px 16px}
.rec-dot{width:12px;height:12px;border-radius:50%;background:var(--danger);animation:recp 1.2s ease-in-out infinite}
@keyframes recp{50%{opacity:.25}}
.rec-t{font-weight:700;font-variant-numeric:tabular-nums;min-width:44px}
.rec-hint{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.recbar .btn{height:48px;border-radius:24px}
.blockbar{display:flex;align-items:center;gap:12px;justify-content:center;flex-wrap:wrap;padding:14px 16px 18px;color:var(--muted);text-align:center;border-top:1px solid var(--line);background:var(--panel)}
.ttl-opts{display:grid;gap:8px;margin:12px 0}
.ttl-o{display:flex;align-items:center;gap:10px;padding:11px 12px;border:1px solid var(--line);border-radius:12px;cursor:pointer}
.rep-list{max-height:210px;overflow:auto;border:1px solid var(--line);border-radius:12px;padding:8px 10px;font-size:13px;display:grid;gap:4px;margin:8px 0 12px;background:var(--bg2)}
.rep-list .on{background:color-mix(in srgb,var(--danger) 14%,transparent);border-radius:6px;padding:2px 4px}
.chk{display:flex;align-items:center;gap:8px;margin:10px 0 4px;font-size:14px}
.msg .fail{color:var(--danger);font-weight:700}
@media (max-width:860px){.epanel{margin:0 8px}.recbar{padding:8px}.recbar .btn{height:44px;padding:0 13px}.recbar .send-label{display:none}}
.msg.me.err{color:var(--text)}

/* ===== calls ===== */
.callui{position:fixed;inset:0;z-index:200;background:radial-gradient(120% 80% at 50% 0%,#17405C 0%,#06131E 70%);color:#fff;display:flex;flex-direction:column;align-items:center;justify-content:space-between;padding:max(28px,env(safe-area-inset-top)) 16px max(28px,env(safe-area-inset-bottom));overflow:hidden}
.callui video{background:#000}
#call-remote{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0;transition:opacity .3s}
.callui.rv #call-remote{opacity:1}
#call-local{position:absolute;top:max(16px,env(safe-area-inset-top));right:16px;width:min(28vw,180px);aspect-ratio:3/4;object-fit:cover;border-radius:16px;border:2px solid rgba(255,255,255,.7);box-shadow:0 10px 30px rgba(0,0,0,.45);transform:scaleX(-1);display:none;z-index:2}
.callui.lv #call-local{display:block}
#call-local.rear{transform:none}
.call-who{position:relative;z-index:1;display:flex;flex-direction:column;align-items:center;gap:8px;margin-top:9vh;text-align:center;text-shadow:0 1px 8px rgba(0,0,0,.5)}
.call-who .av{width:112px;height:112px;font-size:44px;box-shadow:0 0 0 10px rgba(255,255,255,.06),0 0 0 22px rgba(255,255,255,.03)}
.call-who b{font-family:var(--display);font-size:26px}
#call-st{font-size:15px;opacity:.85;font-variant-numeric:tabular-nums}
.call-who small{display:inline-flex;align-items:center;gap:6px;font-size:12px;opacity:.7;margin-top:4px}
.call-who small svg{width:13px;height:13px}
.callui.rv .call-who{margin-top:0;align-self:flex-start;flex-direction:row;gap:10px;text-align:left}
.callui.rv .call-who .av{width:44px;height:44px;font-size:18px;box-shadow:none}
.callui.rv .call-who b{font-size:17px}
.callui.rv .call-who small{display:none}
.call-ctl{position:relative;z-index:2;display:flex;gap:clamp(16px,6vw,34px);justify-content:center;flex-wrap:wrap;padding:14px 18px;border-radius:30px;background:rgba(6,19,30,.35);backdrop-filter:blur(8px)}
.cbtn{display:flex;flex-direction:column;align-items:center;gap:7px;border:0;background:none;color:#fff;font:inherit;font-size:12.5px;cursor:pointer}
.cbtn svg{width:60px;height:60px;padding:17px;border-radius:50%;background:rgba(255,255,255,.16);box-sizing:border-box;transition:transform .12s}
.cbtn:hover svg{transform:scale(1.06)}
.cbtn[aria-pressed=true] svg{background:#fff;color:#06131E}
.cbtn.end svg{background:#E5383B}
.cbtn.ok svg{background:#2FB86B}
.callui:not(.rv) .call-ctl{background:none;backdrop-filter:none}
@media (max-width:480px){.call-ctl{gap:4px;padding:12px 6px;flex-wrap:wrap;max-width:100%}.cbtn{width:64px;font-size:11px}.cbtn svg{width:48px;height:48px;padding:13px}}

/* safety check */
.rail .safety-btn .sdot{position:absolute;top:10px;right:10px;width:9px;height:9px;border-radius:50%;background:var(--ok,#22a06b);box-shadow:0 0 0 2px var(--bg2)}
.rail .safety-btn[data-level=warn]{color:var(--warn)}.rail .safety-btn[data-level=warn] .sdot{background:var(--warn)}
.rail .safety-btn[data-level=bad]{color:var(--danger)}.rail .safety-btn[data-level=bad] .sdot{background:var(--danger)}
.safety-box h3{display:flex;align-items:center;gap:8px}.safety-box h3 .ico{width:22px;height:22px}
.safety-box h4{margin:16px 0 8px;font-size:14px}
.sf{border:1px solid var(--line);border-left:4px solid var(--warn);border-radius:12px;padding:10px 12px;margin:8px 0;background:var(--panel2)}
.sf.bad{border-left-color:var(--danger)}.sf.ok{border-left-color:var(--ok,#22a06b)}
.sf .small{margin-top:4px;line-height:1.45}.sf .btn{margin-top:8px}
.sess-list{display:flex;flex-direction:column;gap:6px;margin-bottom:8px}
.sess{display:flex;align-items:center;justify-content:space-between;gap:10px;border:1px solid var(--line);border-radius:12px;padding:8px 12px}

/* ================= Vịnh Nha Trang scene (scene.js) =================
   Day and night layers are both in the SVG; the theme cross-fades them (--day / --night). */
.bay{display:block;width:100%;height:100%}
.bay .dy,.bay .nt{transition:opacity .9s ease}
.bay .dy{opacity:var(--day)} .bay .nt{opacity:var(--night)}
.bay .s-sky0{stop-color:var(--b-sky0)} .bay .s-sky1{stop-color:var(--b-sky1)} .bay .s-sky2{stop-color:var(--b-sky2)}
.bay .s-sea0{stop-color:var(--b-sea0)} .bay .s-sea1{stop-color:var(--b-sea1)} .bay .s-sea2{stop-color:var(--b-sea2)}
.bay .s-sand0{stop-color:var(--b-sand0)} .bay .s-sand1{stop-color:var(--b-sand1)}
.bay .s-sun0{stop-color:#FFF6C8;stop-opacity:.9} .bay .s-sun1{stop-color:#FFE88A;stop-opacity:.35} .bay .s-sun2{stop-color:#FFE88A;stop-opacity:0}
.bay .b-sun{fill:#FFD23F} .bay .b-ray{fill:#FFE07A}
.bay .b-cloud{fill:#FFFFFF;opacity:.92}
.bay .b-moon{fill:#F4F0DA} .bay .b-moonhalo{fill:#CFE2FF;opacity:.1}
.bay .b-sky-star{fill:#FFFFFF;opacity:.8}
.bay .b-isle-far{fill:var(--b-isle-far)} .bay .b-isle{fill:var(--b-isle)}
.bay .b-bldg{fill:var(--b-bldg)} .bay .b-roof{fill:var(--b-roof)} .bay .b-flag{stroke:var(--b-roof);stroke-width:2}
.bay .b-winrow rect{fill:var(--b-winrow)}
.bay .b-shim{fill:#FFE27A} .bay .b-pool{opacity:.9}
.bay .b-ring{fill:none;stroke:var(--b-ring);stroke-width:3.2} .bay .b-ring2{fill:none;stroke:var(--b-ring2);stroke-width:1.4}
.bay .b-spoke{stroke:var(--b-spoke);stroke-width:1} .bay .b-leg{stroke:var(--b-leg);stroke-width:4;stroke-linecap:round;fill:none}
.bay .b-hub{fill:var(--b-ring)}
.bay .b-cabin.c0{fill:var(--b-cab0)} .bay .b-cabin.c1{fill:var(--b-cab1)} .bay .b-cabin.c2{fill:var(--b-cab2)}
.bay .b-tower{fill:none;stroke:var(--b-tower);stroke-width:3;stroke-linejoin:round}
.bay .b-cable{fill:none;stroke:var(--b-cable);stroke-width:1.6}
.bay .b-hang{stroke:var(--b-cable);stroke-width:1.4} .bay .b-gcar{fill:var(--b-gcar)} .bay .b-gwin{fill:var(--b-gwin)}
.bay .b-horizon{stroke:var(--b-horizon);stroke-width:1.5}
.bay .b-wave{fill:none;stroke:var(--b-wave);stroke-width:2;stroke-linecap:round}
.bay .b-glint{fill:#FFFFFF;opacity:.75} .bay .b-moonglint{fill:#E4EEFA;opacity:.6}
.bay .b-hull{fill:#FFFFFF;stroke:#0E3550;stroke-opacity:.25} .bay .b-stripe{fill:#1F6FD0} .bay .b-canopy{fill:#2E86DE} .bay .b-pole{stroke:#E8EEF2;stroke-width:3}
.bay .b-vest{fill:#FF7A1A} .bay .b-skin.s0{fill:#F2C29B} .bay .b-skin.s1{fill:#D9A47A} .bay .b-skin.s2{fill:#B97A55}
.bay .b-wake{fill:none;stroke:#FFFFFF;stroke-width:3;stroke-linecap:round;opacity:.8}
.bay .b-cap.k0{fill:#FF4F7B} .bay .b-cap.k1{fill:#FFD23F} .bay .b-cap.k2{fill:#2FCF9B}
.bay .b-arm{fill:none;stroke:#E2AE85;stroke-width:5;stroke-linecap:round} .bay .b-ripple{fill:none;stroke:#FFFFFF;stroke-width:2;opacity:.7}
.bay .b-ring-float{fill:none;stroke:#FF5C8A;stroke-width:7}
.bay .b-squidhull{fill:#1E64B0} .bay .b-squidtrim{fill:#E23D3D} .bay .b-cab{fill:#A9C2D3} .bay .b-win{fill:#FFE680}
.bay .b-mast{stroke:#4C6C8A;stroke-width:3} .bay .b-wire{stroke:#7E9BB6;stroke-width:1}
.bay .b-bulb{fill:#FFFBE3}
.bay .b-foam{fill:none;stroke:var(--b-foam);stroke-width:4;stroke-linecap:round;opacity:.85}
.bay .b-wet{fill:var(--b-wet);opacity:.7}
.bay .b-trunk{stroke:var(--b-trunk)} .bay .b-trunk-ring{stroke:var(--b-trunk-ring);opacity:.55}
.bay .b-leaf{fill:var(--b-leaf)} .bay .b-leaf2{fill:var(--b-leaf2)} .bay .b-nut{fill:var(--b-nut)}
.bay .b-crabbody{fill:var(--b-crab)} .bay .b-crabclaw{fill:var(--b-claw)} .bay .b-crableg{stroke:var(--b-crableg);stroke-width:3.4;stroke-linecap:round;fill:none}
.bay .b-eye{fill:var(--b-eye)}
.bay .b-star.o{fill:var(--b-star-o)} .bay .b-star.p{fill:var(--b-star-p)} .bay .b-star{stroke:#00000014;stroke-width:2}
.bay .b-shell path{fill:var(--b-shell)}
/* motion: slow and quiet; none for the chat wallpaper or when the person asked for less motion */
@keyframes bay-spin{to{transform:rotate(360deg)}}
@keyframes bay-sway{0%,100%{transform:rotate(-1.6deg)}50%{transform:rotate(1.6deg)}}
@keyframes bay-bob{0%,100%{transform:translateY(0)}50%{transform:translateY(3px)}}
@keyframes bay-wave{to{transform:translateX(-200px)}}
@keyframes bay-drift{to{transform:translateX(-160px)}}
@keyframes bay-crab{0%,100%{transform:translateX(0)}45%,55%{transform:translateX(70px)}}
@keyframes bay-twinkle{0%,100%{opacity:.85}50%{opacity:.2}}
@keyframes bay-lamp{0%,100%{opacity:1}50%{opacity:.82}}
.bay .b-spin{animation:bay-spin 120s linear infinite}
.bay .b-rays{animation:bay-spin 80s linear infinite}
.bay .b-sway{animation:bay-sway 7s ease-in-out infinite}
.bay .b-bob{animation:bay-bob 3.4s ease-in-out infinite} .bay .b-bob2{animation-duration:4.6s}
.bay .b-wave{animation:bay-wave 16s linear infinite}
.bay .b-drift{animation:bay-drift 60s ease-in-out infinite alternate}
.bay .b-crab{animation:bay-crab 14s ease-in-out infinite}
.bay .b-sky-star.tw{animation:bay-twinkle 3.2s ease-in-out infinite}
.bay .b-glow,.bay .b-pool{animation:bay-lamp 2.6s ease-in-out infinite}
.bay .b-swim{animation:bay-bob 2.8s ease-in-out infinite}
.bay.still *{animation:none!important}
@media (prefers-reduced-motion:reduce){.bay *{animation:none!important}}

/* ---------- login over the bay ---------- */
.auth{display:block;min-height:100vh;background:var(--bg)}
.auth-stage{position:relative;min-height:100vh;min-height:100svh;overflow:hidden;display:flex}
.bay-fill{position:absolute;inset:0;z-index:0}
.auth-top{position:relative;z-index:1;flex:1;display:grid;grid-template-columns:minmax(0,1fr) minmax(320px,420px);gap:48px;align-items:start;
  padding:clamp(28px,5vh,56px) clamp(22px,5vw,72px);max-width:1360px;margin:0 auto;width:100%}
.auth-copy{display:flex;flex-direction:column;gap:18px;max-width:520px}
.auth-copy h1{font-size:clamp(34px,4vw,56px);line-height:1.03;margin:6px 0 0;font-weight:800;max-width:12ch;color:var(--sky-ink,var(--text))}
.auth-copy .lede{font-size:17px;max-width:34ch;margin:0;color:var(--sky-ink,var(--text));opacity:.82}
.auth-copy .brand{color:var(--sky-ink,var(--text))}
:root{--sky-ink:#0B2E48}
:root[data-theme="dark"]{--sky-ink:#EAF2FA}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){--sky-ink:#EAF2FA}}
.glass{background:color-mix(in srgb,var(--panel) 86%,transparent);-webkit-backdrop-filter:blur(14px) saturate(1.2);backdrop-filter:blur(14px) saturate(1.2);border-color:color-mix(in srgb,var(--line) 70%,transparent)}
.auth-card{padding:0;background:none;display:block}
.auth-card .card{max-width:none}
.auth-feat{background:var(--bg);padding:44px clamp(22px,5vw,72px) 56px;border-top:1px solid var(--line)}
.auth-feat .feat{max-width:1216px;margin:0 auto;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px 32px}
.auth-feat h2{max-width:1216px;margin:0 auto 22px;font-size:22px}
@media (max-width:980px){.auth-feat .feat{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:860px){
  /* phones: sun and moon move to the top-right corner, away from the headline */
  .bay-fill .b-sunpos{transform:translate(95px,-70px)} .bay-fill .b-moonpos{transform:translate(250px,-70px)}
  .auth-top{grid-template-columns:1fr;gap:20px;align-content:space-between;padding:26px 18px 22px}
  .auth-card .card{padding:20px}
  .auth-copy h1{font-size:32px}
  .auth-copy .lede{font-size:15.5px}
  .auth-copy h1{max-width:11ch}
  .auth-feat .feat{grid-template-columns:1fr}
}
/* passcode gate over the bay */
.gate{position:relative;overflow:hidden}
.gate .gate-card{position:relative;z-index:1}
/* empty main pane: the bay as a postcard */
.postcard{width:min(560px,86vw);aspect-ratio:16/9;border-radius:26px;overflow:hidden;margin:0 auto 6px;box-shadow:var(--shadow);border:1px solid var(--line)}
.postcard .bay{height:100%}
/* chat wallpaper: the bay, still and faint, behind the messages */
.main,.chat-col{isolation:isolate}
.bay-wall{position:absolute;inset:0;z-index:-1;pointer-events:none;opacity:.92}
:root[data-theme="dark"] .bay-wall{opacity:.95}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .bay-wall{opacity:.95}}
/* the scene is clearly visible, so everything that floats on it gets its own solid backing */
.bay-wall ~ .msgs .msg:not(.big):not(.sys){box-shadow:0 2px 12px -3px #0B2E4840}
.bay-wall ~ .msgs .msg.me:not(.big){box-shadow:0 2px 12px -3px #0B2E4859}
.bay-wall ~ .msgs .msg.sys,.bay-wall ~ .msgs .msg.big .meta,.bay-wall ~ .typing:not(:empty){
  background:color-mix(in srgb,var(--panel) 90%,transparent);color:var(--text);border-radius:99px;box-shadow:0 2px 10px -4px #0B2E4840}
.bay-wall ~ .msgs .msg.sys{padding:6px 14px;margin:8px 0}
.bay-wall ~ .msgs .msg.big .meta{display:inline-block;padding:1px 8px;opacity:1}
.bay-wall ~ .typing:not(:empty){align-self:flex-start;height:auto;margin:0 0 4px 18px;padding:3px 12px;width:max-content;max-width:90%}
.bay-wall ~ .composer{background:color-mix(in srgb,var(--bg) 72%,transparent);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}
@media (max-width:480px){.auth-copy .lede{font-size:14px;line-height:1.4}}

/* translated message: my language first, a tinted note says it was translated for me; tap flips to the original */
.msg.is-tr .tx{display:none} .msg.is-tr.show-orig .tx{display:block} .msg.is-tr.show-orig .trtext{display:none}
.msg.is-tr{cursor:pointer}
.trtext{white-space:pre-wrap}
.msg .tr{display:flex;align-items:flex-start;gap:6px;width:100%;margin:7px 0 0;padding:5px 9px;border:0;border-radius:10px;font:inherit;font-size:11.5px;line-height:1.35;text-align:left;cursor:pointer;
  background:color-mix(in srgb,var(--accent2) 13%,transparent);color:color-mix(in srgb,var(--accent2) 80%,var(--text))}
.msg .tr:hover{background:color-mix(in srgb,var(--accent2) 20%,transparent)}
.msg .tr .tr-ico{flex:none}
.msg.show-orig .tr{background:color-mix(in srgb,var(--warn) 15%,transparent);color:color-mix(in srgb,var(--warn) 75%,var(--text))}
.msg .tr.tr-off{cursor:default;background:color-mix(in srgb,var(--muted) 12%,transparent);color:var(--muted)}
.msg .tr:focus-visible{outline:2px solid var(--accent2);outline-offset:2px}