/* SAATHI chat: light, calm, modern. No dark theme. */
:root{
  --bg:#F4F8FC; --card:#FFFFFF; --ink:#1F3B4D; --muted:#657C90; --line:#E3EBF3;
  --teal:#3BB3A6; --teal-d:#2A9488; --teal-s:#E3F6F3; --lav:#8E8CE8; --lav-s:#EFEDFD; --peach:#FFE3D2;
  --coral-s:#FFE9E4; --coral-i:#8F2D22; --fs:1;
  --r:20px; --shadow:0 8px 28px rgba(40,70,100,.09);
}
*{box-sizing:border-box}
html{font-size:calc(16px * var(--fs));-webkit-text-size-adjust:100%}
html,body{height:100%;margin:0}
body{background:var(--bg);color:var(--ink);font-family:'Noto Sans Devanagari','Nirmala UI','Mangal',Nunito,'Segoe UI',system-ui,-apple-system,Arial,sans-serif;line-height:1.6;overflow:hidden}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
button{font:inherit;color:inherit;cursor:pointer}
button:focus-visible,input:focus-visible,a:focus-visible{outline:3px solid #8E8CE8;outline-offset:2px}

/* soft background */
.bg-blobs{position:fixed;inset:0;z-index:0;overflow:hidden;pointer-events:none}
.bg-blobs i{position:absolute;border-radius:50%;filter:blur(60px);opacity:.55}
.bg-blobs i:nth-child(1){width:420px;height:420px;background:#CDEFE9;top:-120px;left:-100px}
.bg-blobs i:nth-child(2){width:380px;height:380px;background:#E5E1FB;bottom:-120px;right:-80px}
.bg-blobs i:nth-child(3){width:260px;height:260px;background:#FFE7D8;top:40%;left:55%}
.is-embed .bg-blobs{display:none}
body.is-embed{background:#fff}

/* app shell */
.app{position:relative;z-index:1;display:flex;flex-direction:column;height:100%;max-width:780px;margin:0 auto;background:rgba(255,255,255,.72);backdrop-filter:blur(6px)}
.is-page .app{height:min(100%,100dvh);box-shadow:0 0 0 1px var(--line),var(--shadow);border-radius:0}
@media(min-width:820px){body.is-page{padding:22px 0}.is-page .app{height:calc(100dvh - 44px);border-radius:28px;overflow:hidden}}
.is-embed .app{max-width:none;background:#fff;box-shadow:none;border-radius:0}

/* header */
.top{position:relative;display:flex;align-items:center;justify-content:space-between;gap:10px;padding:12px 16px 14px;
  background:linear-gradient(135deg,#E6F7F4 0%,#EFEAFE 100%);border-bottom:1px solid var(--line);padding-top:max(12px,env(safe-area-inset-top))}
.brand{display:flex;align-items:center;gap:11px;min-width:0}
.brand img{border-radius:14px;box-shadow:0 4px 12px rgba(59,179,166,.35)}
.brand .name{font-weight:800;font-size:1.2rem;letter-spacing:.2px;line-height:1.1}
.brand .sub{font-size:.78rem;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:34vw}
.tools{display:flex;align-items:center;gap:8px}
.tbtn{border:1px solid rgba(255,255,255,.9);background:rgba(255,255,255,.85);border-radius:999px;padding:7px 13px;font-weight:700;font-size:.85rem;color:var(--ink);box-shadow:0 2px 8px rgba(40,70,100,.07);min-height:38px}
.tbtn:hover{background:#fff}
.tbtn.exit{background:#FFF1EC;border-color:#FFD9CC;color:#9A3B2A}
.tbtn.exit:hover{background:#FFE4DB}
.menu-wrap{position:relative}
.panel{position:absolute;right:0;top:46px;width:270px;background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);padding:14px 16px;z-index:20}
.panel[hidden]{display:none}
.ptitle{font-weight:800;font-size:.85rem;color:var(--muted);text-transform:uppercase;letter-spacing:.05em;margin-bottom:6px}
.ptitle.mt{margin-top:12px}
.sw{display:flex;align-items:center;gap:10px;padding:7px 0;font-weight:600;cursor:pointer}
.sw input{width:20px;height:20px;accent-color:var(--teal)}
.hint{font-size:.78rem;color:var(--muted)}
.progress{position:absolute;left:0;right:0;bottom:-1px;height:4px;background:rgba(255,255,255,.7)}
.progress i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--teal),var(--lav));border-radius:0 4px 4px 0;transition:width .6s ease}

/* chat */
.chat{flex:1;overflow-y:auto;padding:18px 16px 8px;scroll-behavior:smooth;overscroll-behavior:contain}
.row{display:flex;gap:9px;margin:0 0 12px;align-items:flex-end;animation:rise .35s ease both}
.row.user{justify-content:flex-end}
.av{flex:0 0 32px;width:32px;height:32px;border-radius:12px;background:linear-gradient(135deg,var(--teal),var(--lav));display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800;font-size:.9rem}
.row.cont .av{visibility:hidden}
.bub{max-width:min(86%,560px);padding:11px 16px;border-radius:20px 20px 20px 6px;background:var(--card);border:1px solid var(--line);box-shadow:0 3px 14px rgba(40,70,100,.06);overflow-wrap:anywhere;white-space:pre-line}
.user .bub{background:linear-gradient(135deg,#DDF3EF,#E8E5FC);border-color:#D2E8E4;border-radius:20px 20px 6px 20px;font-weight:700}
.bub.q{font-weight:700;font-size:1.04rem}
.bub.soft{background:#F7FBFA;border-color:#DCEFEB}
.typing{display:flex;gap:5px;padding:14px 18px}
.typing i{width:8px;height:8px;border-radius:50%;background:#9BB3C4;animation:bounce 1s infinite}
.typing i:nth-child(2){animation-delay:.15s}.typing i:nth-child(3){animation-delay:.3s}
.card{width:100%;max-width:640px;background:var(--card);border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow);padding:18px 20px;margin:0 0 14px 41px;animation:rise .4s ease both}
.card.welcome{background:linear-gradient(160deg,#FFFFFF 0%,#F2FBF9 100%)}
.card h3{margin:0 0 6px;font-size:1.15rem}
.card p{margin:.4rem 0}
.card ul.ticks{list-style:none;padding:0;margin:.5rem 0}
.card ul.ticks li{padding-left:28px;position:relative;margin:.35rem 0}
.card ul.ticks li:before{content:"";position:absolute;left:0;top:.3em;width:18px;height:18px;border-radius:50%;background:var(--teal-s) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath d='M5 10.5l3.2 3.2L15 7' fill='none' stroke='%232A9488' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/70% no-repeat}
details.more{margin:.5rem 0;font-size:.92rem}
details.more summary{cursor:pointer;font-weight:700;color:var(--teal-d)}
.card.emergency{background:var(--coral-s);border-color:#F5C9C0}
.card.emergency h3{color:var(--coral-i)}
.callrow{display:flex;flex-wrap:wrap;gap:10px;margin-top:12px}
.callbtn{display:inline-flex;align-items:center;gap:8px;padding:12px 20px;border-radius:16px;font-weight:800;text-decoration:none;background:#fff;border:2px solid #F0B4A8;color:var(--coral-i)}
.callbtn.alt{border-color:#BFE3DE;color:var(--teal-d)}
.report{margin:0 0 14px 0;width:100%;max-width:680px;margin-left:41px;background:#fff;border:1px solid var(--line);border-radius:24px;box-shadow:var(--shadow);padding:20px 22px;animation:rise .45s ease both}
.reportbar{display:flex;flex-wrap:wrap;gap:10px;margin:14px 0 4px 41px}
.is-embed .card,.is-embed .report,.is-embed .reportbar{margin-left:0}

/* tray */
.tray{padding:12px 16px calc(14px + env(safe-area-inset-bottom));background:rgba(255,255,255,.92);border-top:1px solid var(--line);min-height:84px}
.opts{display:flex;flex-direction:column;gap:9px;max-height:42vh;overflow-y:auto;padding:2px}
.opts.multi{gap:7px;max-height:34vh}
.opts.multi .opt{padding:8px 16px;min-height:42px}
.opts.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr))}
.opt{position:relative;text-align:left;width:100%;background:#fff;border:2px solid #CFE8E4;border-radius:16px;padding:12px 18px;font-weight:700;color:var(--ink);transition:transform .12s,background .12s,border-color .12s;min-height:48px}
.opt:hover{background:var(--teal-s);border-color:var(--teal);transform:translateY(-1px)}
.opt:active{transform:none}
.opt.sel{background:var(--teal);border-color:var(--teal);color:#fff}
.opt.sel:before{content:"\2713\00a0"}
.opt.go{background:var(--teal);border-color:var(--teal);color:#fff;text-align:center}
.opt.go:hover{background:var(--teal-d)}
.opt.go[disabled]{opacity:.45;cursor:not-allowed;transform:none}
.opt.soft{border-color:#D9E3EC;color:#4A6072}
.aux{display:flex;flex-wrap:wrap;gap:6px 16px;justify-content:space-between;align-items:center;margin-top:10px}
.link{background:none;border:0;padding:6px 2px;color:var(--muted);font-weight:700;text-decoration:underline;text-underline-offset:3px;font-size:.92rem}
.link:hover{color:var(--ink)}
.field{display:flex;gap:10px;align-items:stretch}
.field input{flex:1;min-width:0;border:2px solid #CFE8E4;border-radius:16px;padding:12px 16px;font:inherit;font-weight:600;background:#fff;color:var(--ink)}
.field input:focus{border-color:var(--teal);outline:none;box-shadow:0 0 0 4px rgba(59,179,166,.18)}
.field .opt{width:auto;flex:0 0 auto;padding:12px 22px}
.err{color:var(--coral-i);font-weight:700;font-size:.9rem;margin:6px 2px 0}
.note{font-size:.82rem;color:var(--muted);margin:8px 2px 0}

/* privacy mode */
body.privacy .row:not(.latest) .bub,body.privacy .card:not(.latest),body.privacy .report{filter:blur(6px);transition:filter .2s}
body.privacy .row:not(.latest):hover .bub{filter:none}

/* accessibility modes */
body.contrast{--ink:#0B1F2E;--muted:#3E5568;--line:#9FB4C4}
body.contrast .opt{border-color:#3A7F77}
body.contrast .bub{border-color:#7E97A8}
body.calm *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}}

@keyframes rise{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
@keyframes bounce{0%,60%,100%{transform:translateY(0);opacity:.5}30%{transform:translateY(-5px);opacity:1}}

@media(max-width:520px){
  .brand .sub{display:none}
  .tbtn{padding:7px 11px}
  .card,.report,.reportbar{margin-left:0}
  .av{display:none}
  .bub{max-width:92%}
  .opts.grid{grid-template-columns:1fr 1fr}
}
@media print{.top,.tray,.bg-blobs{display:none}body{overflow:visible}.app{height:auto}}

/* v2: language switch, bilingual text, downloads */
.langsw{display:inline-flex;background:rgba(255,255,255,.85);border-radius:999px;padding:3px;border:1px solid rgba(255,255,255,.9);box-shadow:0 2px 8px rgba(40,70,100,.07)}
.langsw button{border:0;background:transparent;border-radius:999px;padding:6px 12px;font-weight:800;font-size:.82rem;color:var(--muted);min-height:32px}
.langsw button.on{background:var(--teal);color:#fff}
.langsw button:focus-visible{outline:3px solid #8E8CE8}
.bub.q{line-height:1.55}
.opt .sub{display:block;font-weight:600;font-size:.82rem;color:var(--muted)}
.dl-note{font-size:.82rem;color:var(--muted);margin:6px 0 0 41px}
.is-embed .dl-note{margin-left:0}
.busy{opacity:.6;pointer-events:none}

/* v3: quick exit, writing box, extra answer rows, guide */
.tbtn.qx{width:auto;padding:0 14px;font-weight:800;font-size:.85rem;background:#FFE9E5;color:#8F2D22;border-color:#F5C9C0;white-space:nowrap}
.tbtn.qx[hidden]{display:none}
.opts.extras{margin-top:8px;gap:8px}
.opts.extras .opt{font-size:.92rem;padding:9px 16px;min-height:0}
.otherbox{margin-top:10px;background:#F7FBFA;border:2px dashed #BFE3DE;border-radius:16px;padding:10px 12px}
.notebox{width:100%;box-sizing:border-box;border:2px solid #CFE8E4;border-radius:14px;padding:10px 14px;font:inherit;font-weight:600;resize:vertical;background:#fff}
.notebox:focus{border-color:var(--teal);outline:none;box-shadow:0 0 0 4px rgba(59,179,166,.18)}
.bub.soft{background:#F2F7FB}

/* v3.1: progress chip, keep the current question in view */
.stagechip{flex-basis:100%;order:3;margin:2px 4px 6px;font-size:.82rem;font-weight:800;color:#2E6F68;display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.stagechip[hidden]{display:none}
.stagechip .st{display:inline-flex;gap:4px}
.stagechip .st i{width:22px;height:6px;border-radius:4px;background:#D6E9E6;display:inline-block}
.stagechip .st i.on{background:var(--teal)}
.stagechip .area{color:#5E768A;font-weight:700}
.tray{max-height:46vh;overflow-y:auto;overscroll-behavior:contain}
.is-embed .tray{max-height:52%}
.bub.q{scroll-margin-top:10px}
.top{flex-wrap:wrap}

/* v3.1: domain picker */
.opts.domain-pick{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:7px}
.opts.domain-pick .opt{font-size:.92rem;padding:10px 14px;min-height:44px;text-align:left}
.is-embed .opts.domain-pick{grid-template-columns:repeat(auto-fit,minmax(180px,1fr))}
@media(max-width:520px){.opts.domain-pick{grid-template-columns:1fr 1fr}.opts.domain-pick .opt{font-size:.85rem;padding:8px 10px}}

/* v3.1: note confirmation */
.note-saved{font-size:.85rem;color:var(--teal-d);font-weight:600;margin:4px 2px;animation:rise .3s ease both}

/* v3.1: error states */
.err.tech{color:#8F2D22;font-weight:700}