@import url('https://fonts.googleapis.com/css2?family=Anuphan:wght@300;400;500;600;700&family=IBM+Plex+Mono:wght@400;500;600&display=swap');

/* =========================================================================
   I-INSIGHT TUTOR · portal.css
   Dark "bio.xyz" theme + StudyFlow dashboard layout language
   Drop-in replacement — no HTML changes required.
   ========================================================================= */

:root{
  /* ---- surface ---- */
  --bg:#070906;
  --bg-elev:#0B0F09;
  --paper:#0D110B;
  --paper-2:#11160F;
  --glass:rgba(242,245,239,.035);
  --glass-2:rgba(242,245,239,.06);

  /* ---- ink ---- */
  --ink:#E5FFD1;
  --ink-2:rgba(229,255,209,.64);
  --ink-3:rgba(229,255,209,.42);
  --ink-4:rgba(229,255,209,.26);

  /* ---- lines ---- */
  --line:rgba(242,245,239,.10);
  --line-2:rgba(242,245,239,.17);

  /* ---- accent ---- */
  --acid:#8DFF33;
  --acid-2:#B6FF7A;
  --acid-ink:#09080C;
  --acid-soft:rgba(141,255,51,.12);
  --acid-soft-2:rgba(141,255,51,.20);

  /* ---- semantic ---- */
  --warn:#F2C94C;
  --warn-soft:rgba(242,201,76,.12);
  --danger:#FF7A7A;
  --danger-soft:rgba(255,122,122,.12);

  /* ---- shape ---- */
  --r:16px;
  --r-sm:12px;
  --r-xs:9px;
  --pill:999px;
  --shadow:0 18px 50px rgba(0,0,0,.55);
  --shadow-sm:0 6px 20px rgba(0,0,0,.40);

  /* ---- type ---- */
  --sans:'Anuphan','IBM Plex Sans Thai','Noto Sans Thai','Segoe UI',Tahoma,sans-serif;
  --mono:'IBM Plex Mono','Anuphan',ui-monospace,SFMono-Regular,Menlo,monospace;

  font:400 15px/1.6 var(--sans);
  color:var(--ink);
  background:var(--bg);
  color-scheme:dark;
  accent-color:var(--acid);
}

*{box-sizing:border-box}

/* the app's own show/hide always wins over any layout rule below */
[hidden]{display:none!important}

html{scroll-behavior:smooth;background:var(--bg)}

body{
  margin:0;
  min-height:100vh;
  background:
    radial-gradient(900px 520px at 78% -8%,rgba(141,255,51,.10),transparent 62%),
    radial-gradient(760px 460px at 4% 4%,rgba(141,255,51,.05),transparent 60%),
    var(--bg);
  background-attachment:fixed;
  color:var(--ink);
  font-family:var(--sans);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

/* subtle film grain so large dark areas do not band */
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;opacity:.35;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='140' height='140'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/><feColorMatrix type='saturate' values='0'/></filter><rect width='140' height='140' filter='url(%23n)' opacity='.045'/></svg>");
}
body>*{position:relative;z-index:1}

::selection{background:var(--acid);color:var(--acid-ink)}

/* ---------- scrollbars ---------- */
*{scrollbar-width:thin;scrollbar-color:rgba(242,245,239,.18) transparent}
*::-webkit-scrollbar{width:10px;height:10px}
*::-webkit-scrollbar-thumb{background:rgba(242,245,239,.16);border-radius:99px;border:3px solid transparent;background-clip:content-box}
*::-webkit-scrollbar-thumb:hover{background:rgba(141,255,51,.35);background-clip:content-box}
*::-webkit-scrollbar-track{background:transparent}

/* =========================================================================
   TYPOGRAPHY
   ========================================================================= */
h1,h2,h3,h4{font-family:var(--sans);font-weight:700;color:var(--ink);letter-spacing:-.012em;line-height:1.25;margin:0 0 .35em}
h1{font-size:clamp(24px,3vw,32px);font-weight:700}
h2{font-size:21px}
h3{font-size:16px}
p{color:var(--ink-2);line-height:1.75;margin:.4em 0}
b,strong{color:var(--ink);font-weight:600}
a{color:var(--acid);text-decoration:none;border-bottom:1px solid transparent;transition:border-color .15s,color .15s}
a:hover{color:var(--acid-2);border-bottom-color:currentColor}
code,kbd,samp{font-family:var(--mono);font-size:.92em;color:var(--acid-2)}
hr{border:0;border-top:1px solid var(--line);margin:22px 0}

.muted{color:var(--ink-3);font-size:12px;line-height:1.7}
small{color:var(--ink-3)}

/* mono micro-label — the bio.xyz signature */
label,legend,th,.eyebrow{
  font-family:var(--mono);
  font-weight:500;
  font-size:11.5px;
  letter-spacing:.055em;      /* gentle — Thai tone marks stay legible */
  text-transform:uppercase;   /* affects Latin only */
  color:var(--ink-3);
}
label{display:block;margin-bottom:6px}

/* =========================================================================
   HEADER  (acts as the app top bar)
   ========================================================================= */
header{
  position:sticky;top:0;z-index:30;
  display:flex;align-items:center;gap:16px;
  min-height:66px;padding:12px clamp(16px,4vw,40px);
  background:rgba(7,9,6,.72);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  backdrop-filter:blur(16px) saturate(140%);
  border-bottom:1px solid var(--line);
  box-shadow:none;
}
header b{
  display:inline-flex;align-items:center;gap:10px;
  color:var(--ink);font-weight:700;font-size:15px;letter-spacing:.06em;text-transform:uppercase;
}
header b::before{
  content:"";width:22px;height:22px;flex:0 0 22px;border-radius:7px;
  background:conic-gradient(from 210deg,var(--acid),#3fd06a 40%,#e5ffd1 70%,var(--acid));
  box-shadow:0 0 0 1px rgba(141,255,51,.35),0 0 20px rgba(141,255,51,.35);
}
header #identity{
  font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;
  color:var(--ink-3);padding-left:14px;border-left:1px solid var(--line);
}
#logout{margin-left:auto}

/* =========================================================================
   LAYOUT
   ========================================================================= */
main{
  max-width:1240px;
  margin:34px auto 96px;
  padding:0 clamp(16px,4vw,28px);
}

section{scroll-margin-top:110px}

/* section rhythm inside the workspace */
#workspace>section{margin-top:26px}

/* =========================================================================
   SURFACES: .box / .card
   ========================================================================= */
.box{
  position:relative;
  background:linear-gradient(180deg,rgba(242,245,239,.045),rgba(242,245,239,.018));
  border:1px solid var(--line);
  border-radius:var(--r);
  padding:26px;
  box-shadow:var(--shadow-sm);
}
.box>h2:first-child,.box>h1:first-child{margin-top:0}

.card{
  display:flex;flex-direction:column;gap:12px;
  background:linear-gradient(180deg,rgba(242,245,239,.05),rgba(242,245,239,.02));
  border:1px solid var(--line);
  border-radius:var(--r-sm);
  padding:18px;
  transition:border-color .18s,transform .18s,box-shadow .18s,background .18s;
}
.card:hover{
  border-color:rgba(141,255,51,.38);
  transform:translateY(-2px);
  box-shadow:0 14px 34px rgba(0,0,0,.5),0 0 0 1px rgba(141,255,51,.10);
}
.card h3{margin:0;font-size:15px;overflow-wrap:anywhere;color:var(--ink)}
.card p{font-size:12px;margin:0;color:var(--ink-3)}
.card .row{margin-top:auto;padding-top:4px}

.grid{
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(268px,1fr));
  gap:16px;margin-top:20px;
}

.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.row input{flex:1;min-width:170px;margin:0}

.empty{
  grid-column:1/-1;text-align:center;padding:44px 26px;
  border:1px dashed var(--line-2);border-radius:var(--r);
  color:var(--ink-3);
  font-family:var(--mono);font-size:12px;letter-spacing:.06em;
  background:rgba(242,245,239,.012);
}

/* type chip on media cards */
.type{
  align-self:flex-start;
  font-family:var(--mono);font-size:10px;font-weight:500;
  letter-spacing:.12em;text-transform:uppercase;
  color:var(--acid);background:var(--acid-soft);
  border:1px solid rgba(141,255,51,.28);
  padding:5px 10px;border-radius:var(--pill);
}

/* =========================================================================
   CONTROLS
   ========================================================================= */
button,input,select,textarea{font:inherit;font-family:var(--sans);color:var(--ink)}

input,select,textarea{
  width:100%;margin:0 0 16px;
  padding:11px 14px;
  background:rgba(242,245,239,.045);
  border:1px solid var(--line);
  border-radius:var(--r-xs);
  color:var(--ink);
  transition:border-color .15s,background .15s,box-shadow .15s;
}
textarea{min-height:96px;resize:vertical;line-height:1.65}
input::placeholder,textarea::placeholder{color:var(--ink-4)}
input:hover,select:hover,textarea:hover{border-color:var(--line-2)}
input:focus,select:focus,textarea:focus{
  outline:0;border-color:var(--acid);
  background:rgba(141,255,51,.06);
  box-shadow:0 0 0 3px rgba(141,255,51,.16);
}
select{
  max-width:100%;cursor:pointer;
  -webkit-appearance:none;appearance:none;
  padding-right:38px;
  background-image:linear-gradient(45deg,transparent 50%,var(--ink-3) 50%),linear-gradient(135deg,var(--ink-3) 50%,transparent 50%);
  background-position:calc(100% - 19px) 51%,calc(100% - 13px) 51%;
  background-size:6px 6px,6px 6px;
  background-repeat:no-repeat;
}
select option{background:#0D110B;color:var(--ink)}
input[type=date],input[type=datetime-local],input[type=number]{font-family:var(--mono);font-size:13px}
::-webkit-calendar-picker-indicator{filter:invert(1) sepia(1) saturate(4) hue-rotate(50deg);opacity:.75;cursor:pointer}

input[type=file]{
  padding:9px 12px;background:rgba(242,245,239,.025);
  border:1px dashed var(--line-2);cursor:pointer;
  font-family:var(--mono);font-size:12px;color:var(--ink-3);
}
input[type=file]:hover{border-color:rgba(141,255,51,.45);color:var(--ink-2)}
input[type=file]::file-selector-button{
  margin-right:12px;padding:7px 14px;
  border:1px solid var(--line-2);border-radius:var(--pill);
  background:transparent;color:var(--ink);
  font-family:var(--mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;
  cursor:pointer;transition:background .15s,border-color .15s,color .15s;
}
input[type=file]::file-selector-button:hover{background:var(--acid);border-color:var(--acid);color:var(--acid-ink)}

/* ---------- buttons ---------- */
button{
  cursor:pointer;
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:10px 18px;
  background:transparent;
  color:var(--ink);
  border:1px solid var(--line-2);
  border-radius:var(--pill);
  font-weight:500;font-size:14px;letter-spacing:.005em;
  transition:background .16s,border-color .16s,color .16s,box-shadow .16s,transform .1s;
}
button:hover:not(:disabled){
  background:var(--acid-soft);
  border-color:rgba(141,255,51,.55);
  color:var(--ink);
  box-shadow:none;
}
button:active:not(:disabled){transform:translateY(1px)}
button:disabled{opacity:.38;cursor:not-allowed}

button.primary{
  background:var(--acid);color:var(--acid-ink);border-color:var(--acid);
  font-weight:600;
  box-shadow:0 8px 26px rgba(141,255,51,.22);
}
button.primary:hover:not(:disabled){
  background:var(--acid-2);border-color:var(--acid-2);color:var(--acid-ink);
  box-shadow:0 10px 32px rgba(141,255,51,.34);
}

button.danger,.danger{color:var(--danger);border-color:rgba(255,122,122,.38)}
button.danger:hover:not(:disabled){background:var(--danger-soft);border-color:var(--danger);color:#FFB3B3}

/* keyboard focus */
button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible,[tabindex]:focus-visible{
  outline:2px solid var(--acid);outline-offset:2px;border-radius:var(--r-xs);
}

/* =========================================================================
   LOGIN
   ========================================================================= */
#loginBox{
  max-width:430px;margin:12vh auto 8vh;
  padding:34px 32px 30px;
  background:linear-gradient(180deg,rgba(242,245,239,.06),rgba(242,245,239,.02));
  border:1px solid var(--line);
  border-radius:20px;
  box-shadow:var(--shadow),0 0 0 1px rgba(141,255,51,.06);
}
#loginBox h1{font-size:27px;margin-bottom:6px}
#loginBox>p:first-of-type{font-size:13px;color:var(--ink-3);margin-bottom:26px}
#loginBox label{margin-top:2px}
#loginBox button{width:100%;margin-top:6px;padding:13px 18px;font-size:15px}
#loginBox p:last-child{margin-top:18px;font-size:11.5px;color:var(--ink-4);line-height:1.7}

/* =========================================================================
   MESSAGE BAR
   ========================================================================= */
#message{
  max-width:1240px;margin:0 auto;padding:0 clamp(16px,4vw,28px);
  min-height:0;white-space:pre-wrap;
  font-family:var(--mono);font-size:12.5px;letter-spacing:.02em;color:var(--ink-2);
}
#message:not(:empty){
  margin:18px auto -6px;padding:13px 16px;width:calc(100% - 2*clamp(16px,4vw,28px));
  border:1px solid rgba(141,255,51,.28);
  border-left:3px solid var(--acid);
  border-radius:var(--r-sm);
  background:var(--acid-soft);
  color:var(--ink);
}
#message.error:not(:empty){
  border-color:rgba(255,122,122,.34);border-left-color:var(--danger);
  background:var(--danger-soft);color:#FFC9C9;
}

/* =========================================================================
   IN-PAGE NAV (kept for no-JS fallback; the shell hides it)
   ========================================================================= */
#portalNav{display:flex;gap:8px;flex-wrap:wrap;margin:0 0 26px;padding:0}
#portalNav a{
  color:var(--ink-2);text-decoration:none;border:1px solid var(--line);
  padding:9px 16px;border-radius:var(--pill);background:rgba(242,245,239,.03);
  font-size:13px;transition:all .15s;
}
#portalNav a:hover{color:var(--acid);border-color:rgba(141,255,51,.45);background:var(--acid-soft)}

/* =========================================================================
   DETAILS / SUMMARY / PRE
   ========================================================================= */
details{
  margin:20px 0;padding:18px 20px;
  background:rgba(242,245,239,.028);
  border:1px solid var(--line);
  border-radius:var(--r-sm);
}
details[open]{background:rgba(242,245,239,.04)}
summary{
  cursor:pointer;font-weight:600;color:var(--ink);list-style:none;
  display:flex;align-items:center;gap:10px;
}
summary::-webkit-details-marker{display:none}
summary::before{
  content:"+";font-family:var(--mono);color:var(--acid);
  width:20px;height:20px;flex:0 0 20px;display:grid;place-items:center;
  border:1px solid rgba(141,255,51,.35);border-radius:6px;font-size:13px;
}
details[open]>summary::before{content:"–"}

pre{
  white-space:pre-wrap;word-break:break-word;
  font-family:var(--mono);font-size:12px;line-height:1.7;
  background:#080B07;border:1px solid var(--line);border-radius:var(--r-sm);
  padding:16px;color:var(--ink-2);max-height:420px;overflow:auto;
}
#bulkPreview:empty{display:none}

/* =========================================================================
   SECTION-SPECIFIC
   ========================================================================= */
#learningHub form{max-width:720px;margin:20px 0}
#learningHub label{display:block}

#assignmentForm{display:grid;grid-template-columns:1fr 1fr;gap:14px;align-items:end}
#assignmentForm button{margin-bottom:16px}
#assignmentCreate{
  margin-top:20px;padding:20px;
  background:rgba(242,245,239,.028);
  border:1px solid var(--line);border-radius:var(--r-sm);
}

#accountSearch{max-width:420px;display:block}
#accountRows>.row{padding:15px 2px;border-bottom:1px solid var(--line)}
#accountRows>.row:last-child{border-bottom:0}
#accountRows>.row>p{flex:1;min-width:180px;font-weight:600;color:var(--ink);margin:0}

#credentialHelp{line-height:1.8}
#credentialStatus{color:var(--danger)}

#studentResult,#workStatus,#accountStatus,#learningStatus,#resourceStatus{
  font-family:var(--mono);font-size:11.5px;letter-spacing:.04em;color:var(--ink-3);
}

#learningSummary .box,#learningSummary .card{padding:18px}
#calendarRows{display:grid;gap:10px;margin-top:14px}

#resourcePlayer iframe,#resourcePlayer video{
  width:100%;aspect-ratio:16/9;height:auto;border:1px solid var(--line);
  border-radius:var(--r-sm);background:#000;
}

/* =========================================================================
   DIALOGS
   ========================================================================= */
dialog{
  border:1px solid var(--line-2);
  border-radius:20px;
  padding:28px;
  width:min(520px,95vw);
  background:linear-gradient(180deg,#12170F,#0B0F09);
  color:var(--ink);
  box-shadow:var(--shadow);
}
dialog::backdrop{
  background:rgba(4,6,3,.72);
  -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
}
dialog h2{margin-top:0;font-size:19px}
dialog .row{justify-content:flex-end;margin-top:22px}
#resourcePlayer{margin-top:16px}
#resourceClose{margin-left:auto}

/* =========================================================================
   APP SHELL  (created by portal-shell.js — degrades gracefully without it)
   ========================================================================= */
.pshell{display:grid;grid-template-columns:262px minmax(0,1fr);min-height:100vh}
body.has-shell #portalNav{display:none}
body.has-shell main{margin-top:26px}

/* one page at a time — [hidden] from the app always wins (it is !important) */
.pshell-page{display:block;animation:pfade .28s ease both}
.pshell-page:not(.is-current){display:none}
@keyframes pfade{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
#workspace>.pshell-page{margin-top:0}
#workspace>section.box.pshell-page{padding:26px}

.pshell-side{
  position:sticky;top:0;height:100vh;z-index:20;
  display:flex;flex-direction:column;gap:6px;
  padding:22px 14px 18px;
  background:linear-gradient(180deg,rgba(242,245,239,.04),rgba(242,245,239,.012));
  border-right:1px solid var(--line);
  overflow:auto;
}
.pbrand{
  display:flex;align-items:center;gap:11px;padding:2px 10px 20px;
  font-weight:700;font-size:15px;letter-spacing:.05em;text-transform:uppercase;color:var(--ink);
}
.pbrand span{display:block;font-family:var(--mono);font-size:9.5px;letter-spacing:.14em;color:var(--ink-4);text-transform:uppercase;font-weight:400;margin-top:3px}
.pbrandmark{
  width:26px;height:26px;flex:0 0 26px;border-radius:8px;
  background:conic-gradient(from 210deg,var(--acid),#3fd06a 40%,#e5ffd1 70%,var(--acid));
  box-shadow:0 0 0 1px rgba(141,255,51,.35),0 0 22px rgba(141,255,51,.35);
}
.pnav-label{
  font-family:var(--mono);font-size:9.5px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--ink-4);padding:14px 12px 7px;
}
.pnav{display:flex;flex-direction:column;gap:3px}
.pnav button{
  width:100%;justify-content:flex-start;gap:11px;
  min-height:42px;padding:0 12px;
  border:0;border-radius:10px;background:transparent;
  color:var(--ink-3);font-weight:500;font-size:13.5px;text-align:left;
}
.pnav button:hover:not(:disabled){background:rgba(242,245,239,.055);color:var(--ink);box-shadow:none}
.pnav button.active{
  background:var(--acid-soft);color:var(--acid);
  box-shadow:inset 0 0 0 1px rgba(141,255,51,.28);
}
.pnav button .plabel{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.pnav .pico{
  width:24px;height:24px;flex:0 0 24px;display:grid;place-items:center;
  font-family:var(--mono);font-size:13px;line-height:1;
  border-radius:7px;background:rgba(242,245,239,.06);color:inherit;
}
.pnav button.active .pico{background:rgba(141,255,51,.2)}
.pnav .pcount{
  margin-left:auto;font-family:var(--mono);font-size:10px;letter-spacing:.06em;
  color:var(--ink-3);background:rgba(242,245,239,.07);border-radius:var(--pill);padding:2px 8px;
}
.pnav button.active .pcount{background:rgba(141,255,51,.2);color:var(--acid)}

.pside-foot{margin-top:auto;padding-top:16px;border-top:1px solid var(--line)}
.pprofile{display:flex;align-items:center;gap:11px;padding:10px 8px}
.pavatar{
  width:34px;height:34px;flex:0 0 34px;border-radius:50%;
  display:grid;place-items:center;
  background:rgba(141,255,51,.16);border:1px solid rgba(141,255,51,.3);
  color:var(--acid);font-weight:700;font-size:13px;
}
.pprofile div{min-width:0}
.pprofile strong{display:block;font-size:13px;color:var(--ink);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.pprofile small{display:block;font-family:var(--mono);font-size:9.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-4)}

.pshell-main{min-width:0;display:block}

/* page title in the top bar (filled in by portal-shell.js) */
.ptitle{display:none;font-weight:700;font-size:16px;color:var(--ink);letter-spacing:-.01em}
@media(min-width:1081px){
  body.has-shell header>b{display:none}            /* the sidebar already carries the brand */
  body.has-shell .ptitle{display:block}
  body.has-shell header #identity{margin-left:auto;padding-left:0;border-left:0;order:5}
  body.has-shell #logout{margin-left:14px;order:6}
}

/* metric strip — StudyFlow's KPI row, bio.xyz palette */
.pmetrics{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));
  gap:14px;margin:0 0 26px;
}
.pmetric{
  position:relative;overflow:hidden;
  padding:17px 18px;border:1px solid var(--line);border-radius:var(--r-sm);
  background:linear-gradient(180deg,rgba(242,245,239,.05),rgba(242,245,239,.015));
}
.pmetric::after{
  content:"";position:absolute;inset:auto -30% -70% auto;width:150px;height:150px;border-radius:50%;
  background:radial-gradient(circle,rgba(141,255,51,.16),transparent 68%);
}
.pmetric b{
  display:block;font-family:var(--mono);font-size:10px;letter-spacing:.13em;
  text-transform:uppercase;color:var(--ink-3);font-weight:500;
}
.pmetric i{
  display:block;font-style:normal;font-family:var(--mono);font-weight:600;
  font-size:30px;line-height:1.15;margin-top:9px;color:var(--ink);
}
.pmetric u{
  display:block;text-decoration:none;font-size:11.5px;color:var(--ink-4);margin-top:5px;
}

/* mobile bottom bar */
.pmetrics.is-sparse{grid-template-columns:repeat(auto-fit,minmax(240px,320px));justify-content:start}

.pmobilebar{display:none}

/* toast */
.ptoast{
  position:fixed;left:50%;bottom:22px;transform:translate(-50%,24px);
  padding:11px 20px;border-radius:var(--pill);
  background:var(--acid);color:var(--acid-ink);
  font-family:var(--mono);font-size:12px;letter-spacing:.05em;
  box-shadow:0 12px 34px rgba(141,255,51,.28);
  opacity:0;pointer-events:none;transition:opacity .22s,transform .22s;z-index:200;
}
.ptoast.show{opacity:1;transform:translate(-50%,0)}

/* =========================================================================
   RESPONSIVE
   ========================================================================= */
@media(max-width:1080px){
  .pshell{grid-template-columns:1fr}
  .pshell-side{display:none}
  body.has-shell #portalNav{display:flex}
}

@media(max-width:650px){
  :root{font-size:14.5px}
  main{margin:22px auto 108px}
  #assignmentForm{grid-template-columns:1fr}
  #assignmentForm button{margin-bottom:0}
  header{position:sticky;flex-wrap:wrap;gap:10px;min-height:0;padding:12px 16px}
  header #identity{padding-left:0;border-left:0}
  #accountRows>.row>p{flex-basis:100%}
  button{min-height:44px}
  .box{padding:18px}
  #loginBox{margin:6vh auto;padding:26px 22px}
  .grid{grid-template-columns:1fr}
  dialog{padding:22px;border-radius:16px}

  body.has-shell .pmobilebar{
    display:flex;overflow-x:auto;justify-content:space-around;
    position:fixed;left:0;right:0;bottom:0;z-index:40;
    padding:8px 6px calc(8px + env(safe-area-inset-bottom,0px));
    background:rgba(7,9,6,.88);
    -webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
    border-top:1px solid var(--line);
  }
  .pmobilebar button{
    flex:1 0 60px;
    flex-direction:column;gap:4px;border:0;background:transparent;
    padding:6px 2px;min-height:0;border-radius:10px;color:var(--ink-4);
  }
  .pmobilebar button span{font-size:10px;letter-spacing:.02em}
  .pmobilebar button .pico{font-family:var(--mono);font-size:15px}
  .pmobilebar button.active{color:var(--acid);background:var(--acid-soft)}
  .pmobilebar button:hover:not(:disabled){background:rgba(242,245,239,.05)}
}

@media(prefers-reduced-motion:reduce){
  *{animation-duration:.01ms!important;transition-duration:.01ms!important;scroll-behavior:auto!important}
  .card:hover{transform:none}
}

/* =========================================================================
   PARENT REPORT — stays hidden on screen, prints on white paper
   ========================================================================= */
#parentReport{display:none}

/* Keep the login centered when the permission-aware sidebar is hidden. */
.pshell:has(.pshell-side[hidden]){grid-template-columns:minmax(0,1fr)}
.pshell:has(.pshell-side[hidden]) header>b{display:block}
.pshell:has(.pshell-side[hidden]) .ptitle{display:none}
#assignmentList>article,#resourceRows>article{min-width:0;overflow-wrap:anywhere}

@media print{
  body>*{display:none!important}
  body{background:#fff!important}
  body::before{display:none!important}
  #parentReport{
    display:block!important;color:#000;background:#fff;padding:20px;
    font-family:'Sarabun','Noto Sans Thai',var(--sans);
  }
  #parentReport .grid{display:block}
  #parentReport .box{break-inside:avoid;border:1px solid #ccc;background:#fff;box-shadow:none;color:#000}
  #parentReport p,#parentReport h1,#parentReport h2,#parentReport h3,#parentReport strong{color:#000}
  #parentReport label,#parentReport .muted{color:#333}
}