:root{
  --bg:#f3f5f9; --card:#fff; --ink:#1b2430; --muted:#667085; --line:#e1e6ee;
  --brand:#1e3a5f; --brand2:#2f5d96; --danger:#b42318; --ok:#067647;
  --radius:14px;
}
*{box-sizing:border-box}
html,body{margin:0;background:var(--bg);color:var(--ink);
  font:16px/1.5 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  -webkit-text-size-adjust:100%}
.hidden{display:none!important}
.muted{color:var(--muted);margin:.2rem 0 1rem}
.muted-inline{color:var(--muted);font-weight:400}
.center{text-align:center}
a{color:var(--brand2)}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* auth */
.auth{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px;
  background:linear-gradient(160deg,#1e3a5f,#2f5d96)}
.auth-card{width:100%;max-width:400px;padding:20px 24px 28px}
.auth-top{display:flex;justify-content:flex-end;gap:8px;margin-bottom:-8px}
.auth-top .btn{color:var(--brand);border-color:#cfd6e2}
.logo{font-size:40px;text-align:center}
.auth-card h1{text-align:center;margin:.2rem 0 0}
.auth-card .muted{text-align:center}

/* cards & forms */
.card{background:var(--card);border-radius:var(--radius);padding:18px;
  box-shadow:0 1px 3px rgba(16,24,40,.08);margin-bottom:16px}
.card h2{margin:0 0 .2rem;font-size:1.25rem}
label{display:block;font-size:.85rem;font-weight:600;color:#344054;margin:.7rem 0 0}
input,textarea,select{width:100%;margin-top:.3rem;padding:.7rem .8rem;font:inherit;color:var(--ink);
  border:1px solid #cfd6e2;border-radius:10px;background:#fff}
input:focus,textarea:focus,select:focus{outline:2px solid var(--brand2);border-color:transparent}
textarea{resize:vertical}
fieldset{border:1px solid var(--line);border-radius:12px;margin:14px 0 0;padding:4px 14px 14px}
legend{padding:0 6px;font-weight:700;color:var(--brand)}
.row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
@media(max-width:520px){.row{grid-template-columns:1fr}}
.optional{font-weight:400;color:var(--muted);font-size:.78rem}
.lang-row{max-width:380px;margin-top:.9rem}
.lang-row .field{margin-top:0}

/* buttons */
.btn{appearance:none;border:1px solid #cfd6e2;background:#fff;color:var(--ink);
  padding:.7rem 1rem;border-radius:10px;font:inherit;font-weight:600;cursor:pointer}
.btn.primary{background:var(--brand);border-color:var(--brand);color:#fff}
.btn.ghost{background:transparent}
.btn.danger{color:var(--danger);border-color:#f1c0bb}
.btn.small{padding:.35rem .7rem;font-size:.85rem}
.btn.block{width:100%;margin-top:1.1rem}
.btn:active{transform:translateY(1px)}
.err{color:var(--danger);min-height:1.2em;margin:.6rem 0 0;font-size:.9rem}
.ok{color:var(--ok)}

/* app shell */
.topbar{display:flex;justify-content:space-between;align-items:center;
  gap:8px;padding:10px 14px;padding-top:calc(10px + env(safe-area-inset-top));
  background:var(--brand);color:#fff}
.brand{font-weight:700;white-space:nowrap}
.who{display:flex;align-items:center;gap:7px;font-size:.85rem;min-width:0}
.topbar .btn.ghost{color:#fff;border-color:rgba(255,255,255,.5)}
.badge{background:rgba(255,255,255,.2);padding:2px 8px;border-radius:20px;font-size:.72rem;text-transform:uppercase;white-space:nowrap}
.badge.light{background:#eef1f6;color:#344054;text-transform:none;font-weight:600}
.ui-lang{margin:0}
.ui-lang select{width:auto;margin:0;padding:.32rem .45rem;border-radius:8px;font-size:.78rem;
  background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.45)}
.ui-lang option{color:#111;background:#fff}
@media(max-width:520px){#whoName{display:none}.topbar{padding-left:12px;padding-right:12px}.who{gap:5px}}
@media(max-width:430px){#whoRole{display:none}.brand{font-size:.95rem}.ui-lang select{padding:.3rem .35rem}}

.tabs{display:flex;gap:6px;overflow-x:auto;padding:10px 12px;padding-top:calc(10px + env(safe-area-inset-top));
  background:#fff;border-bottom:1px solid var(--line);
  position:sticky;top:0;z-index:15;-webkit-overflow-scrolling:touch}
.tab{flex:0 0 auto;border:0;background:#eef1f6;color:#344054;padding:.55rem .95rem;border-radius:20px;
  font:inherit;font-size:.9rem;font-weight:600;cursor:pointer;white-space:nowrap}
.tab.active{background:var(--brand);color:#fff}

.content{max-width:820px;margin:0 auto;padding:16px 12px calc(40px + env(safe-area-inset-bottom))}
.actions{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:12px}

/* install */
.install-banner{display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  max-width:820px;margin:12px auto 0;padding:10px 14px;border-radius:12px;
  background:#e8eef7;border:1px solid #cfdaea;font-size:.9rem;color:#243b55}
.install-banner span{flex:1 1 200px}
.install-banner .btn{border-color:var(--brand)}
.install-dialog{border:0;border-radius:16px;padding:22px;max-width:min(92vw,420px);
  box-shadow:0 20px 50px rgba(16,24,40,.3)}
.install-dialog::backdrop{background:rgba(16,24,40,.5)}
.install-dialog h2{margin:0 0 .4rem;font-size:1.15rem}
.install-dialog p{margin:0;color:var(--muted)}

/* preview */
.preview-head{display:flex;align-items:center;justify-content:space-between;gap:8px;margin:4px 0 10px}
.preview-head h2{margin:0;font-size:1.05rem}
.paper{background:#fff;border:1px solid var(--line);border-radius:6px;padding:22px 20px;
  font-family:"Times New Roman",Times,serif;font-size:15px;line-height:1.6;overflow-wrap:anywhere}
.paper h1{text-align:center;font-size:1.25rem;text-decoration:underline;margin:0 0 1rem}
.paper h1 .en,.paper h1 .kn{display:block}
.paper h3{margin:1rem 0 .2rem;font-size:1rem}
.paper h3.kn{margin-top:0;font-size:.98rem}
.paper p{margin:.3rem 0;text-align:justify}
.paper .c{text-align:center;font-weight:bold}
.paper .kn,.paper [lang="kn"]{font-family:"Noto Sans Kannada","Tunga",sans-serif;line-height:1.85}
.paper .sig{display:flex;justify-content:space-between;gap:20px;margin-top:2.5rem}
.paper .sig>div{flex:1;border-top:1px solid #000;padding-top:6px;text-align:center;font-size:.9rem;min-height:42px}
.paper .sig-label{font-weight:700;margin-bottom:2px}

/* lists */
.item{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap;
  padding:12px 0;border-top:1px solid var(--line)}
.item:first-child{border-top:0}
.item .meta{min-width:0}
.item .meta small{color:var(--muted);display:block}
.item .meta .badge{margin-left:4px;font-size:.68rem}
.item .btns{display:flex;gap:6px;flex-wrap:wrap}

/* toast */
.toast{position:fixed;left:50%;bottom:calc(20px + env(safe-area-inset-bottom));
  transform:translate(-50%,16px);background:#1b2430;color:#fff;padding:.7rem 1rem;border-radius:12px;
  font-size:.9rem;max-width:min(92vw,480px);box-shadow:0 8px 24px rgba(16,24,40,.25);
  opacity:0;pointer-events:none;transition:opacity .2s,transform .2s;z-index:60}
.toast.show{opacity:1;transform:translate(-50%,0)}
.toast.ok{background:#067647}
.toast.warn{background:#b54708}
.toast.error{background:#b42318}

/* Offscreen A4 pages used to build image-based PDFs for Kannada / bilingual output */
.pdf-page{font-family:"Times New Roman",Times,serif;font-size:15px;line-height:1.6;color:#000;
  pointer-events:none;overflow:hidden}
.pdf-page-body{width:100%;height:100%;padding:56px 64px;overflow:hidden}
.pdf-page-head{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;
  font-size:10px;letter-spacing:.04em;text-transform:uppercase;color:#666;
  border-bottom:1px solid #cfcfcf;padding-bottom:6px;margin-bottom:18px;text-align:center}
.pdf-page-head.kn{font-family:"Noto Sans Kannada","Tunga",sans-serif;text-transform:none;letter-spacing:0}
.pdf-page h1{text-align:center;font-size:22px;text-decoration:underline;margin:0 0 16px}
.pdf-page h1 .en,.pdf-page h1 .kn{display:block}
.pdf-page h3{margin:15px 0 2px;font-size:15px}
.pdf-page h3.kn{margin-top:0;font-size:14px}
.pdf-page p{margin:5px 0;text-align:justify}
.pdf-page .c{text-align:center;font-weight:bold}
.pdf-page .kn,.pdf-page [lang="kn"]{font-family:"Noto Sans Kannada","Tunga",sans-serif;line-height:1.85}
.pdf-page .sig{display:flex;justify-content:space-between;gap:40px;margin-top:48px}
.pdf-page .sig>div{flex:1;border-top:1px solid #000;padding-top:6px;text-align:center;min-height:48px}
.pdf-page .sig-label{font-weight:bold;margin-bottom:2px}