/*
 * RTNP documentation — shell styles.
 * Look & feel ported verbatim from the rtnp_web SPA design tokens
 * (rtnp_web/src/styles/tokens.css): teal + cream + DM Sans.
 * This file is language-agnostic. Per-language content lives in docs/content/<code>.html;
 * per-language fonts are handled by the :lang() blocks near the bottom.
 */
:root{
  --teal:#0a6b6e; --teal-light:#0d9094; --teal-dark:#064b4e;
  --gold:#c8922a; --gold-light:#f0b830; --red:#c0392b; --green:#1a7a4a; --orange:#d35400;
  --bg:#f4f1eb; --bg-card:#fffdf8; --border:#ddd8ce; --border-strong:#c9c3b6;
  --txt:#1a1a1a; --txt-mid:#5a5550; --txt-light:#8a857e; --white:#fff;
  --header-gradient:linear-gradient(135deg,var(--teal-dark) 0%,var(--teal) 100%);
  /* status pills — exact app values */
  --status-open-bg:#e8f4ff; --status-open-fg:#1a5a9a;
  --status-partial-bg:#fff3cd; --status-partial-fg:#8a5a00;
  --status-completed-bg:#d4edda; --status-completed-fg:#155724;
  --status-closed-bg:#e8e8e8; --status-closed-fg:#555;
  --status-received-bg:#d4f5ea; --status-received-fg:#0a6b4a;
  --status-disputed-bg:#fdecea; --status-disputed-fg:#9b1c1c;
  --r:8px; --r-lg:12px; --r-xl:18px;
  --shadow-sm:0 1px 3px rgba(26,26,26,.06),0 1px 2px rgba(26,26,26,.04);
  --shadow-md:0 4px 16px rgba(26,26,26,.08),0 2px 6px rgba(26,26,26,.05);
  --shadow-lg:0 12px 40px rgba(26,26,26,.12),0 4px 12px rgba(26,26,26,.07);
  --font:'DM Sans',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  --sidebar-w:270px; --topbar-h:60px;
  /* aliases so ported mobile-guide inline styles (var(--ink*)) resolve */
  --ink:var(--txt); --ink-soft:var(--txt-mid); --ink-faint:var(--txt-light);
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%; scroll-behavior:smooth;}
body{margin:0; background:var(--bg); color:var(--txt); font-family:var(--font);
  font-size:16px; line-height:1.7; -webkit-font-smoothing:antialiased; text-rendering:optimizeLegibility;}
a{color:var(--teal); text-decoration:none;}
a:hover{text-decoration:underline;}
:focus-visible{outline:2px solid var(--teal); outline-offset:2px; border-radius:4px;}
.num{font-variant-numeric:tabular-nums;}
img{max-width:100%;}

/* ---------------- Top bar ---------------- */
.topbar{position:sticky; top:0; z-index:40; height:var(--topbar-h); display:flex; align-items:center; gap:12px;
  padding:0 18px; background:var(--header-gradient); color:#fff; box-shadow:var(--shadow-sm);}
.topbar .logo{width:34px; height:34px; border-radius:9px; background:rgba(255,255,255,.15);
  display:grid; place-items:center; font-size:1.1rem;}
.topbar .brand{display:flex; flex-direction:column; line-height:1.15;}
.topbar .brand .b1{font-weight:700; letter-spacing:.02em;}
.topbar .brand .b2{font-size:.72rem; opacity:.8;}
.topbar .sp{margin-left:auto;}
.tb-btn{appearance:none; cursor:pointer; font:inherit; font-weight:600; color:#fff;
  background:rgba(255,255,255,.14); border:1px solid rgba(255,255,255,.25); border-radius:var(--r);
  padding:7px 13px; display:inline-flex; align-items:center; gap:7px; transition:background .16s;}
.tb-btn:hover{background:rgba(255,255,255,.24); text-decoration:none;}
#menuBtn{display:none;}

/* ---------------- Shell ---------------- */
.shell{display:grid; grid-template-columns:var(--sidebar-w) 1fr; align-items:start;}
.side{position:sticky; top:var(--topbar-h); height:calc(100vh - var(--topbar-h)); overflow-y:auto;
  padding:18px 14px 40px; border-right:1px solid var(--border); background:var(--bg-card);}
.side .findnote{margin:2px 6px 14px; font-size:.8rem; color:var(--txt-light); line-height:1.5;}
.side .findnote kbd{font-family:ui-monospace,Menlo,Consolas,monospace; background:var(--bg); border:1px solid var(--border);
  border-radius:5px; padding:0 5px; font-size:.78rem;}
.side h2{margin:16px 6px 6px; font-size:.7rem; letter-spacing:.12em; text-transform:uppercase; color:var(--teal); font-weight:700;}
.side h2:first-of-type{margin-top:4px;}
.side nav a{display:flex; gap:9px; align-items:baseline; color:var(--txt); padding:7px 10px; border-radius:var(--r); font-size:.93rem; line-height:1.35;}
.side nav a .en{color:var(--txt-light); font-size:.72rem;}
.side nav a:hover{background:color-mix(in srgb,var(--teal) 8%,transparent); text-decoration:none;}
.side nav a.active{background:color-mix(in srgb,var(--teal) 12%,transparent); color:var(--teal); font-weight:700;}

.main{min-width:0; padding:0 clamp(18px,4vw,56px);}
.wrap{max-width:840px; margin:0 auto;}

/* ---------------- Hero ---------------- */
.doc-hero{padding:44px 0 8px;}
.doc-hero .eyebrow{font-size:.72rem; letter-spacing:.18em; text-transform:uppercase; font-weight:700; color:var(--teal);}
.doc-hero h1{margin:12px 0 0; font-size:clamp(1.7rem,1.3rem + 2.2vw,2.4rem); line-height:1.16; font-weight:700; letter-spacing:-.01em;}
.doc-hero h1 .hl{color:var(--teal);}
.doc-hero .lede{margin:14px 0 0; max-width:62ch; font-size:1.02rem; color:var(--txt-mid);}

/* ---------------- Sections ---------------- */
section{padding:38px 0; border-bottom:1px solid var(--border); scroll-margin-top:calc(var(--topbar-h) + 8px);}
.sec-head{display:flex; align-items:flex-start; gap:15px; margin-bottom:16px;}
.sec-seal{flex:none; width:42px; height:42px; border-radius:11px; display:grid; place-items:center; color:#fff; font-weight:700; font-size:1rem;
  background:var(--header-gradient); box-shadow:var(--shadow-sm); font-variant-numeric:tabular-nums;}
.sec-head h2{margin:0; font-size:clamp(1.3rem,1.05rem + 1.1vw,1.6rem); font-weight:700; line-height:1.2;}
.sec-head h2 .en{display:block; color:var(--txt-light); font-size:.8rem; font-weight:500; letter-spacing:.03em; margin-top:2px;}
.sec-head .why{margin:6px 0 0; color:var(--txt-mid); font-size:.96rem;}
h3.sub{margin:26px 0 2px; font-size:1.1rem; font-weight:700; color:var(--txt);}
p{margin:12px 0 0;}
ul.plain{margin:10px 0 0; padding-left:20px; color:var(--txt-mid);}
ul.plain li{margin:5px 0;}
b,strong{color:var(--txt); font-weight:700;}

/* ---------------- Task card ---------------- */
.task{background:var(--bg-card); border:1px solid var(--border); border-radius:var(--r-lg); padding:18px 20px; box-shadow:var(--shadow-sm); margin-top:16px;}
.task > h4{margin:0 0 2px; font-size:1.04rem; font-weight:700;}
.task > h4 .en{color:var(--teal); font-size:.7rem; font-weight:600; letter-spacing:.06em; text-transform:uppercase; margin-left:6px;}
ol.steps{margin:12px 0 0; padding-left:0; list-style:none; counter-reset:s; display:grid; gap:9px;}
ol.steps li{counter-increment:s; position:relative; padding-left:34px; color:var(--txt-mid);}
ol.steps li::before{content:counter(s); position:absolute; left:0; top:1px; width:24px; height:24px; border-radius:50%;
  display:grid; place-items:center; font-size:.78rem; font-weight:700; color:#fff; background:var(--teal); font-variant-numeric:tabular-nums;}

code.lbl{font-family:inherit; font-weight:600; color:var(--teal); background:color-mix(in srgb,var(--teal) 9%,transparent);
  border:1px solid color-mix(in srgb,var(--teal) 28%,transparent); border-radius:6px; padding:1px 7px; white-space:nowrap;}

.app-does{margin-top:14px; padding:12px 14px; border-radius:var(--r); border:1px solid color-mix(in srgb,var(--green) 32%,transparent);
  background:color-mix(in srgb,var(--green) 8%,var(--bg-card)); font-size:.92rem; color:var(--txt-mid);}
.app-does .k{display:inline-block; font-weight:700; color:var(--green); font-size:.7rem; letter-spacing:.06em; text-transform:uppercase; margin-right:6px;}
.tip{margin-top:12px; padding:11px 14px; border-radius:var(--r); font-size:.92rem; color:var(--txt-mid);
  background:color-mix(in srgb,var(--gold) 10%,var(--bg-card)); border:1px solid color-mix(in srgb,var(--gold) 34%,transparent);}
.tip b{color:var(--orange);}
.warn{margin-top:12px; padding:11px 14px; border-radius:var(--r); font-size:.92rem; color:var(--txt-mid);
  background:color-mix(in srgb,var(--red) 7%,var(--bg-card)); border:1px solid color-mix(in srgb,var(--red) 30%,transparent);}
.warn b{color:var(--red);}

/* ---------------- who / roles ---------------- */
.who{display:flex; flex-wrap:wrap; align-items:center; gap:7px; margin-top:14px; padding-top:12px; border-top:1px dashed var(--border);}
.who .lab{font-size:.7rem; font-weight:700; letter-spacing:.05em; text-transform:uppercase; color:var(--txt-light); margin-right:2px;}
.rolechip{font-size:.78rem; font-weight:600; color:var(--teal); border:1px solid color-mix(in srgb,var(--teal) 30%,transparent); border-radius:999px; padding:2px 10px;
  background:color-mix(in srgb,var(--teal) 8%,transparent);}

/* ---------------- status pills ---------------- */
.pill{display:inline-block; font-size:.74rem; font-weight:600; padding:1px 9px; border-radius:999px; line-height:1.6; white-space:nowrap;}
.pill.open{background:var(--status-open-bg); color:var(--status-open-fg);}
.pill.partial{background:var(--status-partial-bg); color:var(--status-partial-fg);}
.pill.done{background:var(--status-completed-bg); color:var(--status-completed-fg);}
.pill.closed{background:var(--status-closed-bg); color:var(--status-closed-fg);}
.pill.received{background:var(--status-received-bg); color:var(--status-received-fg);}
.pill.disputed{background:var(--status-disputed-bg); color:var(--status-disputed-fg);}

/* ---------------- callout / flow / navmap / docs ---------------- */
.callout{background:var(--bg-card); border:1px solid var(--border); border-left:4px solid var(--teal); border-radius:var(--r-lg); padding:15px 18px; box-shadow:var(--shadow-sm); margin-top:16px;}
.callout p{margin:0;} .callout p+p{margin-top:10px;} .callout strong{color:var(--teal);}
.flow{display:flex; flex-wrap:wrap; align-items:center; gap:8px; margin-top:16px;}
.flow .step{background:var(--bg-card); border:1px solid var(--border); border-radius:var(--r); padding:7px 13px; font-weight:700; box-shadow:var(--shadow-sm); font-size:.92rem;}
.flow .arrow{color:var(--teal); font-weight:700;}
.navmap{display:grid; grid-template-columns:repeat(auto-fit,minmax(150px,1fr)); gap:10px; margin-top:16px;}
.navmap .nav{background:var(--bg-card); border:1px solid var(--border); border-radius:var(--r-lg); padding:12px 14px; box-shadow:var(--shadow-sm);}
.navmap .nav .nm{font-weight:700; font-size:.95rem;} .navmap .nav .ds{font-size:.82rem; color:var(--txt-light); margin-top:2px;}
.grid2{display:grid; grid-template-columns:1fr; gap:14px; margin-top:16px;}
@media(min-width:640px){.grid2{grid-template-columns:1fr 1fr;}}
.mini{background:var(--bg-card); border:1px solid var(--border); border-radius:var(--r-lg); padding:15px 17px; box-shadow:var(--shadow-sm);}
.mini h4{margin:0 0 5px; font-size:1rem; font-weight:700;}
.mini p{margin:0; font-size:.9rem; color:var(--txt-mid);}

/* ---------------- table ---------------- */
.tablewrap{overflow-x:auto; margin-top:16px; border:1px solid var(--border); border-radius:var(--r-lg); box-shadow:var(--shadow-sm);}
table{border-collapse:collapse; width:100%; min-width:560px; background:var(--bg-card); font-size:.9rem;}
th,td{text-align:left; padding:9px 13px; border-bottom:1px solid var(--border); vertical-align:top;}
th{background:color-mix(in srgb,var(--teal) 8%,transparent); color:var(--teal); font-weight:700; font-size:.74rem; letter-spacing:.03em; text-transform:uppercase;}
td:first-child{font-weight:600; color:var(--txt);}
tr:last-child td{border-bottom:0;}
.ok{color:var(--green); font-weight:700;} .no{color:var(--txt-light);}

/* ---------------- screenshot in browser frame ---------------- */
figure.webshot{margin:18px 0 2px;}
.browser{border:1px solid var(--border); border-radius:var(--r-lg); overflow:hidden; background:var(--bg-card); box-shadow:var(--shadow-md);}
.browser .bar{display:flex; align-items:center; gap:7px; padding:9px 14px; border-bottom:1px solid var(--border);
  background:linear-gradient(180deg,#f3efe6,var(--bg-card));}
.browser .dot{width:11px; height:11px; border-radius:50%; background:var(--border);}
.browser .dot.r{background:#ff6b5b;} .browser .dot.y{background:var(--gold-light);} .browser .dot.g{background:var(--green-light,#2ecc71);}
.browser .addr{margin-left:10px; font-size:.74rem; color:var(--txt-light); font-family:ui-monospace,Menlo,Consolas,monospace; overflow:hidden; text-overflow:ellipsis; white-space:nowrap;}
.browser a{display:block; line-height:0;}
.browser img{display:block; width:100%; height:auto;}
figure.webshot figcaption{margin-top:10px; font-size:.8rem; color:var(--txt-light); text-align:center; font-style:italic;}

footer.docfoot{padding:34px 0 60px; text-align:center; color:var(--txt-light); font-size:.85rem;}
footer.docfoot .mark{color:var(--teal); font-weight:700; letter-spacing:.06em;}

/* ---------------- language picker overlay ---------------- */
.lang-overlay{position:fixed; inset:0; z-index:80; display:none; align-items:center; justify-content:center; padding:24px;
  background:color-mix(in srgb,var(--teal-dark) 72%,rgba(0,0,0,.5));}
.lang-overlay.show{display:flex;}
.lang-box{width:100%; max-width:640px; background:var(--bg-card); border-radius:var(--r-xl); box-shadow:var(--shadow-lg); padding:28px 26px; max-height:90vh; overflow-y:auto;}
.lang-box .brandrow{display:flex; align-items:center; gap:12px; margin-bottom:4px;}
.lang-box .brandrow .logo{width:40px; height:40px; border-radius:11px; background:var(--header-gradient); display:grid; place-items:center; color:#fff; font-size:1.2rem;}
.lang-box h2{margin:14px 0 2px; font-size:1.35rem; font-weight:700;}
.lang-box p.sub{margin:0; color:var(--txt-mid); font-size:.95rem;}
.lang-grid{display:grid; grid-template-columns:repeat(auto-fill,minmax(150px,1fr)); gap:12px; margin-top:20px;}
.lang-card{position:relative; text-align:left; background:var(--bg-card); border:1.5px solid var(--border); border-radius:var(--r-lg); padding:14px 16px; cursor:pointer;
  font:inherit; color:var(--txt); transition:border-color .16s, box-shadow .16s, transform .1s;}
.lang-card:hover{border-color:var(--teal); box-shadow:var(--shadow-md);}
.lang-card:active{transform:scale(.98);}
.lang-card .endo{font-size:1.2rem; font-weight:700; line-height:1.2;}
.lang-card .eng{font-size:.8rem; color:var(--txt-light); margin-top:2px;}
.lang-card.soon{cursor:default; opacity:.7;}
.lang-card.soon:hover{border-color:var(--border); box-shadow:none;}
.lang-card .soonbadge{position:absolute; top:8px; right:8px; font-size:.6rem; font-weight:700; letter-spacing:.04em; text-transform:uppercase;
  color:var(--gold); background:color-mix(in srgb,var(--gold) 14%,transparent); border:1px solid color-mix(in srgb,var(--gold) 34%,transparent); border-radius:999px; padding:1px 7px;}
.lang-card.active-lang{border-color:var(--teal); background:color-mix(in srgb,var(--teal) 8%,var(--bg-card));}
.lang-box .closerow{margin-top:18px; text-align:right;}

.errbox{padding:40px 20px; text-align:center; color:var(--txt-mid);}
.errbox h2{color:var(--red);}

/* back to top */
.fab-top{position:fixed; right:16px; bottom:16px; z-index:50; width:46px; height:46px; border-radius:50%; cursor:pointer;
  display:grid; place-items:center; font-size:1.2rem; color:#fff; background:var(--teal); border:none; box-shadow:var(--shadow-md);
  opacity:0; visibility:hidden; transform:translateY(8px); transition:opacity .2s,transform .2s,visibility .2s;}
.fab-top.show{opacity:1; visibility:visible; transform:translateY(0);}

/* mobile */
.backdrop{display:none;}
@media (max-width:900px){
  .shell{grid-template-columns:1fr;}
  #menuBtn{display:inline-flex;}
  .side{position:fixed; top:0; left:0; height:100vh; width:290px; z-index:60; transform:translateX(-100%); transition:transform .22s ease; box-shadow:var(--shadow-lg);}
  .side.open{transform:translateX(0);}
  .backdrop{display:block; position:fixed; inset:0; background:rgba(0,0,0,.4); z-index:55; opacity:0; visibility:hidden; transition:opacity .2s;}
  .backdrop.show{opacity:1; visibility:visible;}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto;} .fab-top,.side,.backdrop,.lang-card{transition:none;}}

/* =====================================================================
 * Per-language font stacks. document.documentElement.lang is set to the
 * active language code, so each script gets fonts that actually cover it.
 * Currently only DM Sans + Noto Sans Devanagari are web-loaded (see index.html);
 * the rest fall back to whatever Noto/system fonts the device has. When you
 * ship Bengali/Telugu/Tamil/Odia, add their Noto webfont <link> in index.html.
 * ===================================================================== */
/* =====================================================================
 * Product switcher + Mobile-guide component styles (phone frames, two-column
 * task layouts, legend, doc cards). The Web guide uses .browser frames; the
 * Mobile guide uses .phone frames — both live here so either product renders.
 * ===================================================================== */

/* product switcher in the teal top bar (Web Portal | Mobile App) */
.pseg{display:inline-flex; gap:3px; padding:3px; background:rgba(255,255,255,.14); border:1px solid rgba(255,255,255,.22); border-radius:10px;}
.pseg-btn{appearance:none; cursor:pointer; font:inherit; font-weight:600; font-size:.9rem; color:rgba(255,255,255,.85);
  background:transparent; border:none; border-radius:7px; padding:6px 12px; display:inline-flex; align-items:center; gap:6px; white-space:nowrap; transition:background .16s,color .16s;}
.pseg-btn .pic{font-size:1rem; line-height:1;}
.pseg-btn:hover{color:#fff; background:rgba(255,255,255,.12);}
.pseg-btn.active{color:var(--teal); background:#fff;}

/* readable column width, shared by both guides */
.doc-hero, section{max-width:940px; margin-left:auto; margin-right:auto;}

/* standalone eyebrow (mobile "read this first") */
.eyebrow{font-size:.72rem; letter-spacing:.16em; text-transform:uppercase; font-weight:700; color:var(--teal);}

/* mobile guide uses <h3> for task titles */
.task > h3{margin:0 0 2px; font-size:1.04rem; font-weight:700;}
.task > h3 .en{color:var(--teal); font-size:.7rem; font-weight:600; letter-spacing:.06em; text-transform:uppercase; margin-left:6px;}

/* two-column task layout: text + a tall phone screenshot */
.task .layout{display:grid; grid-template-columns:1fr; gap:18px; align-items:start;}
@media(min-width:640px){
  .task .layout.with-shot{grid-template-columns:1fr 240px;}
  .task .layout.with-shot.left{grid-template-columns:240px 1fr;}
}

/* phone screenshot frame */
figure.shot{margin:0;}
.phone{border:1px solid var(--border); border-radius:22px; padding:7px; background:linear-gradient(160deg,#efe9dd,var(--bg-card)); box-shadow:var(--shadow-md);}
.phone img{display:block; width:100%; height:auto; border-radius:16px; border:1px solid var(--border);}
figure.shot figcaption{margin-top:9px; font-size:.78rem; color:var(--txt-light); text-align:center; font-style:italic;}

/* mini-card extras used by the mobile guide */
.mini h4 .en{color:var(--teal); font-size:.7rem; font-weight:600; letter-spacing:.05em; text-transform:uppercase; margin-left:5px;}
.mini ul{margin:8px 0 0; padding-left:18px; font-size:.9rem; color:var(--txt-mid);}
.mini ul li{margin:3px 0;}

/* status-pill legend + bottom-nav map icons */
.legend{display:flex; flex-wrap:wrap; gap:8px; margin-top:14px;}
.navmap .nav{text-align:center;}
.navmap .nav .ic{font-size:1.3rem; line-height:1;}

/* doc cards (auto-generated PDFs) */
.docs{display:grid; grid-template-columns:repeat(auto-fit,minmax(210px,1fr)); gap:12px; margin-top:14px;}
.doc{background:var(--bg-card); border:1px solid var(--border); border-radius:var(--r-lg); padding:14px 16px; box-shadow:var(--shadow-sm); border-top:3px solid var(--teal);}
.doc h4{margin:0 0 4px; font-size:.98rem; font-weight:700; color:var(--teal);}
.doc p{margin:0; font-size:.86rem; color:var(--txt-mid);}

/* legacy status-pill colour classes (n/b/g/a/m) used by the mobile legend */
.pill.n{background:var(--status-closed-bg); color:var(--status-closed-fg);}
.pill.b{background:var(--status-open-bg); color:var(--status-open-fg);}
.pill.g{background:var(--status-received-bg); color:var(--status-received-fg);}
.pill.a{background:var(--status-partial-bg); color:var(--status-partial-fg);}
.pill.m{background:var(--status-disputed-bg); color:var(--status-disputed-fg);}

@media (max-width:560px){ .topbar .brand{display:none;} .pseg-btn{padding:6px 9px; font-size:.85rem;} }

:lang(hi), :lang(mr), :lang(ne){ --font:'DM Sans','Noto Sans Devanagari','Nirmala UI','Kohinoor Devanagari','Mangal',system-ui,sans-serif; }
:lang(bn){ --font:'DM Sans','Noto Sans Bengali','Nirmala UI','Vrinda',system-ui,sans-serif; }
:lang(te){ --font:'DM Sans','Noto Sans Telugu','Nirmala UI','Gautami',system-ui,sans-serif; }
:lang(ta){ --font:'DM Sans','Noto Sans Tamil','Nirmala UI','Latha',system-ui,sans-serif; }
:lang(or){ --font:'DM Sans','Noto Sans Oriya','Nirmala UI','Kalinga',system-ui,sans-serif; }
:lang(en){ --font:'DM Sans',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif; }
body{font-family:var(--font);}