/* ============================================================
   Sommuti REGIS — Design System (โรงเรียนสมมุติ)
   ============================================================ */
:root {
  /* brand — PBRI green + gold / teal / coral */
  --brand-900:#06382c; --brand-800:#0a4d3c; --brand-700:#127a58; --brand-600:#1a9a6c;
  --brand-500:#22c08a; --brand-100:#d4f5e6; --brand-50:#eefbf5;
  --accent-600:#d4a017; --accent-500:#f0b429; --accent-100:#fff4d6;
  --teal-600:#0e8a9a; --teal-100:#d6f4f8;
  --coral-600:#e05a45; --coral-100:#ffe4de;
  --violet-600:#6b5ce0; --violet-100:#ece8ff;

  /* neutrals */
  --bg:#f3f7f5; --surface:#ffffff; --surface-2:#eef4f1;
  --border:#d5e3dc; --border-strong:#b7cdc3;
  --text:#10241c; --text-2:#3d5a4f; --text-3:#6d867c;

  /* semantic */
  --ok-600:#15803d; --ok-100:#dcfce7;
  --warn-600:#b45309; --warn-100:#fef3c7;
  --err-600:#dc2626; --err-100:#fee2e2;
  --info-600:#1d4ed8; --info-100:#dbeafe;

  --text-on-brand:#e7f6ef;
  --focus:#127a58;

  --radius:12px; --radius-lg:16px; --radius-sm:8px; --radius-pill:999px;
  --shadow-sm:0 1px 2px rgba(6,56,44,.07),0 1px 3px rgba(6,56,44,.08);
  --shadow-md:0 6px 18px rgba(6,56,44,.10);
  --shadow-lg:0 16px 40px rgba(6,56,44,.16);
  --font:'IBM Plex Sans Thai','Noto Sans Thai',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
  --mono:'JetBrains Mono','SFMono-Regular',Consolas,monospace;

  /* spacing scale — 8 steps */
  --space-0:0; --space-1:4px; --space-2:8px; --space-3:12px;
  --space-4:16px; --space-5:24px; --space-6:32px; --space-7:48px;
  /* type scale */
  --fs-xs:.75rem; --fs-sm:.85rem; --fs-md:.95rem; --fs-base:1rem;
  --fs-lg:1.25rem; --fs-xl:1.6rem; --fs-2xl:2rem;
  --lh-tight:1.3; --lh-base:1.6;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg:#0d1613; --surface:#141f1b; --surface-2:#1b2925;
    --border:#26352f; --border-strong:#384a43;
    --text:#e6efeb; --text-2:#a7bab3; --text-3:#7a8d86;
    --brand-100:#12352a; --brand-50:#0f2a22;
    --ok-100:#0f2e1f; --warn-100:#33260c; --err-100:#3a1614; --info-100:#0f2438; --accent-100:#33260c;
    --shadow-sm:0 1px 2px rgba(0,0,0,.4); --shadow-md:0 4px 12px rgba(0,0,0,.45);
    --shadow-lg:0 12px 32px rgba(0,0,0,.55);
    --focus:#22c08a;
  }
}
:root[data-theme="dark"] {
  --bg:#0d1613; --surface:#141f1b; --surface-2:#1b2925;
  --border:#26352f; --border-strong:#384a43;
  --text:#e6efeb; --text-2:#a7bab3; --text-3:#7a8d86;
  --brand-100:#12352a; --brand-50:#0f2a22;
  --ok-100:#0f2e1f; --warn-100:#33260c; --err-100:#3a1614; --info-100:#0f2438; --accent-100:#33260c;
  --focus:#22c08a;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--font);background:var(--bg);color:var(--text);
  font-size:var(--fs-md);line-height:var(--lh-base);-webkit-font-smoothing:antialiased}
h1,h2,h3,h4{margin:0 0 .5em;line-height:var(--lh-tight);font-weight:650;letter-spacing:-.01em}
h1{font-size:var(--fs-xl)} h2{font-size:var(--fs-lg)} h3{font-size:1.05rem} h4{font-size:var(--fs-md)}
.card-head h1{font-size:var(--fs-lg);margin:0}
p{margin:0 0 1em} a{color:var(--brand-600);text-decoration:none} a:hover{text-decoration:underline}
img{max-width:100%}

/* ---------- layout ---------- */
.app{display:grid;grid-template-columns:248px 1fr;min-height:100vh}
.sidebar{padding:18px 12px;display:flex;flex-direction:column;gap:4px;
  position:sticky;top:0;height:100vh;overflow-y:auto}
.sidebar .brand{display:flex;gap:10px;align-items:center;padding:6px 10px 16px;margin-bottom:10px}
.sidebar .brand .logo{width:36px;height:36px;border-radius:9px;background:linear-gradient(135deg,var(--accent-500),var(--brand-500));display:grid;place-items:center;font-weight:700;color:#fff;flex:none}
.sidebar .brand b{display:block;font-size:.9rem;line-height:1.25}
.sidebar .brand span{font-size:.72rem}
.navlink{display:flex;align-items:center;gap:10px;padding:9px 12px;border-radius:8px;
  font-size:.88rem;cursor:pointer;border:none;background:none;width:100%;font-family:inherit;
  text-align:left;transition:background .14s,color .14s}
.navlink:hover{text-decoration:none}
.navlink .ic{width:22px;height:22px;flex:none;display:inline-grid;place-items:center}
.navlink .ic svg{width:18px;height:18px;display:block}
.nav-group{font-size:.68rem;text-transform:uppercase;letter-spacing:.08em;padding:14px 12px 5px;font-weight:600}
.sidebar-foot{margin-top:auto;padding-top:12px;font-size:.75rem}

.main{display:flex;flex-direction:column;min-width:0}
.topbar{background:var(--surface);border-bottom:1px solid var(--border);padding:12px 24px;
  display:flex;align-items:center;gap:16px;position:sticky;top:0;z-index:20}
.topbar h1{margin:0;font-size:1.15rem}
.topbar .spacer{flex:1}
.content{padding:22px 24px 60px;max-width:1400px;width:100%}

/* ---------- cards ---------- */
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);
  padding:18px;box-shadow:var(--shadow-sm);margin-bottom:16px}
.card-head{display:flex;align-items:center;gap:12px;margin:-4px 0 14px}
.card-head h2,.card-head h3{margin:0}
.card-head .spacer{flex:1}
.grid{display:grid;gap:16px}
.grid.c2{grid-template-columns:repeat(auto-fit,minmax(320px,1fr))}
.grid.c3{grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
.grid.c4{grid-template-columns:repeat(auto-fit,minmax(190px,1fr))}

/* ---------- stat tiles ---------- */
.stat{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  padding:16px;box-shadow:var(--shadow-sm);border-left:4px solid var(--brand-500)}
.stat:nth-child(2){border-left-color:var(--teal-600)}
.stat:nth-child(3){border-left-color:var(--accent-600)}
.stat:nth-child(4){border-left-color:var(--violet-600)}
.stat .label{font-size:.78rem;color:var(--text-2);margin-bottom:6px;display:flex;align-items:center;gap:6px}
.stat .value{font-size:1.75rem;font-weight:700;letter-spacing:-.02em;line-height:1.1;font-variant-numeric:tabular-nums}
.stat .sub{font-size:.75rem;color:var(--text-3);margin-top:4px}
.stat.brand{background:linear-gradient(135deg,var(--brand-700),var(--brand-500));border-color:transparent;color:#fff}
.stat.brand .label,.stat.brand .sub{color:rgba(255,255,255,.85)}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;padding:8px 16px;border-radius:8px;
  border:1px solid var(--border-strong);background:var(--surface);color:var(--text);font-size:.87rem;
  font-family:inherit;font-weight:550;cursor:pointer;transition:all .14s;white-space:nowrap;min-height:36px}
.btn:hover{background:var(--surface-2);text-decoration:none}
.btn:disabled{opacity:.5;cursor:not-allowed}
.btn.primary{background:linear-gradient(180deg,var(--brand-500),var(--brand-600));border-color:var(--brand-600);color:#fff}
.btn.primary:hover{background:var(--brand-700)}
.btn.danger{background:var(--err-600);border-color:var(--err-600);color:#fff}
.btn.ghost{border-color:transparent;background:transparent}
.btn.ghost:hover{background:var(--surface-2)}
.btn.sm{padding:5px 11px;font-size:.8rem;min-height:32px}
.btn.block{width:100%}

/* ---------- forms ---------- */
.field{margin-bottom:14px}
fieldset.field{border:0;margin:0 0 14px;padding:0;min-width:0}
.field label,.field legend{display:block;font-size:.83rem;font-weight:550;margin-bottom:5px;color:var(--text-2)}
.field legend{padding:0;width:100%}
.field label .req{color:var(--err-600)}
.field .hint{font-size:.75rem;color:var(--text-3);margin-top:4px}
.field .err{font-size:.75rem;color:var(--err-600);margin-top:4px}
input[type=text],input[type=email],input[type=password],input[type=number],input[type=date],input[type=tel],select,textarea{
  width:100%;padding:9px 12px;border:1px solid var(--border-strong);border-radius:8px;background:var(--surface);
  color:var(--text);font-family:inherit;font-size:.9rem;transition:border-color .14s,box-shadow .14s}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--brand-500);box-shadow:0 0 0 3px var(--brand-100)}
input.invalid,select.invalid{border-color:var(--err-600)}
textarea{resize:vertical;min-height:80px}
.radio-row{display:flex;gap:16px;flex-wrap:wrap}
.radio-row label{display:flex;align-items:center;gap:6px;font-weight:400;font-size:.88rem;cursor:pointer;color:var(--text)}
.form-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:0 16px}

/* ---------- tables ---------- */
.table-wrap{overflow-x:auto;border:1px solid var(--border);border-radius:var(--radius)}
table{width:100%;border-collapse:collapse;font-size:.86rem;min-width:520px}
thead th{background:var(--surface-2);text-align:left;padding:10px 12px;font-weight:600;font-size:.78rem;
  color:var(--text-2);border-bottom:1px solid var(--border);white-space:nowrap;position:sticky;top:0;z-index:1}
tbody td{padding:10px 12px;border-bottom:1px solid var(--border);vertical-align:middle}
tbody tr:last-child td{border-bottom:none}
tbody tr:hover{background:var(--surface-2)}
td.num,th.num{text-align:right;font-variant-numeric:tabular-nums}

/* ---------- badges ---------- */
.badge{display:inline-flex;align-items:center;gap:4px;padding:2px 9px;border-radius:999px;font-size:.74rem;
  font-weight:600;white-space:nowrap}
.badge.ok{background:var(--ok-100);color:var(--ok-600)}
.badge.warn{background:var(--warn-100);color:var(--warn-600)}
.badge.err{background:var(--err-100);color:var(--err-600)}
.badge.info{background:var(--info-100);color:var(--info-600)}
.badge.neutral{background:var(--surface-2);color:var(--text-2)}
.badge.brand{background:var(--brand-100);color:var(--brand-700)}

/* ---------- progress ---------- */
.progress{height:8px;background:var(--surface-2);border-radius:999px;overflow:hidden}
.progress > i{display:block;height:100%;background:var(--brand-500);border-radius:999px;transition:width .4s}
.progress.warn > i{background:var(--warn-600)}
.progress.err > i{background:var(--err-600)}

/* ---------- stepper ---------- */
.stepper{display:flex;gap:4px;margin-bottom:22px;flex-wrap:wrap;position:sticky;top:0;z-index:5;
  background:var(--bg);padding-top:4px;padding-bottom:8px}
.stepper .step{flex:1;min-width:110px;padding:9px 10px;border-radius:8px;background:var(--surface-2);
  font-size:.78rem;color:var(--text-2);border:1px solid transparent;text-align:center}
.stepper .step.active{background:var(--brand-600);color:#fff;font-weight:600;border-color:var(--brand-600)}
.stepper .step.done{background:var(--ok-100);color:var(--ok-600);border-color:var(--ok-100)}

/* ---------- alerts ---------- */
.alert{padding:11px 14px;border-radius:8px;font-size:.85rem;margin-bottom:14px;display:flex;gap:9px;align-items:flex-start}
.alert.ok{background:var(--ok-100);color:var(--ok-600)}
.alert.warn{background:var(--warn-100);color:var(--warn-600)}
.alert.err{background:var(--err-100);color:var(--err-600)}
.alert.info{background:var(--info-100);color:var(--info-600)}
.alert ul{margin:6px 0 0;padding-left:20px}

/* ---------- chips / lists ---------- */
.chips{display:flex;gap:6px;flex-wrap:wrap}
.chip{padding:4px 10px;border-radius:999px;background:var(--surface-2);border:1px solid var(--border);
  font-size:.78rem;cursor:pointer;transition:all .14s}
.chip:hover{border-color:var(--brand-500)}
.chip.on{background:var(--brand-600);color:#fff;border-color:var(--brand-600)}

.course-item{border:1px solid var(--border);border-radius:var(--radius);padding:13px 15px;margin-bottom:9px;
  background:var(--surface);transition:border-color .14s}
.course-item:hover{border-color:var(--border-strong)}
.course-item.disabled{opacity:.62;background:var(--surface-2)}
.course-item .row{display:flex;align-items:flex-start;gap:12px}
.course-item .meta{font-size:.79rem;color:var(--text-2);margin-top:3px;display:flex;gap:12px;flex-wrap:wrap}
.course-item .why{font-size:.77rem;color:var(--err-600);margin-top:5px}

/* ---------- charts ---------- */
.bar-row{display:grid;grid-template-columns:140px 1fr 60px;gap:10px;align-items:center;margin-bottom:8px;font-size:.82rem}
.bar-track{height:20px;background:var(--surface-2);border-radius:5px;overflow:hidden}
.bar-fill{height:100%;background:var(--brand-500);border-radius:5px;transition:width .5s}

/* ---------- assistant ---------- */
.assistant-fab{position:fixed;right:22px;bottom:22px;width:54px;height:54px;border-radius:50%;
  background:var(--brand-600);color:#fff;border:none;font-size:1.4rem;cursor:pointer;box-shadow:var(--shadow-lg);z-index:60}
.assistant-panel{position:fixed;right:22px;bottom:88px;width:390px;max-width:calc(100vw - 44px);height:520px;
  max-height:calc(100vh - 130px);background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-lg);display:none;flex-direction:column;z-index:60;overflow:hidden}
.assistant-panel.open{display:flex}
.assistant-head{padding:12px 15px;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:9px;background:var(--brand-50)}
.assistant-body{flex:1;overflow-y:auto;padding:14px;display:flex;flex-direction:column;gap:11px}
.msg{max-width:88%;padding:9px 13px;border-radius:12px;font-size:.85rem;line-height:1.55;white-space:pre-wrap}
.msg.user{align-self:flex-end;background:var(--brand-600);color:#fff;border-bottom-right-radius:4px}
.msg.bot{align-self:flex-start;background:var(--surface-2);border-bottom-left-radius:4px}
.msg .src{font-size:.72rem;color:var(--text-3);margin-top:7px;padding-top:6px;border-top:1px solid var(--border)}
.assistant-foot{padding:11px;border-top:1px solid var(--border);display:flex;gap:8px}
.assistant-foot input{flex:1}

/* ---------- login ---------- */
.login-wrap{min-height:100vh;display:grid;place-items:center;padding:20px;
  background:radial-gradient(circle at 20% 20%,rgba(240,180,41,.35),transparent 40%),
    radial-gradient(circle at 80% 80%,rgba(34,192,138,.35),transparent 42%),
    linear-gradient(135deg,var(--brand-900),#0e5c4a 55%,#146b8a)}
.login-card{background:var(--surface);border-radius:16px;box-shadow:var(--shadow-lg);padding:34px;width:100%;max-width:460px}
.login-card .logo-big{width:56px;height:56px;border-radius:14px;background:linear-gradient(135deg,var(--accent-500),var(--brand-500));display:grid;place-items:center;
  color:#fff;font-size:1.5rem;font-weight:700;margin:0 auto 16px}
.demo-accounts{margin-top:20px;padding-top:18px;border-top:1px solid var(--border)}
.demo-accounts .acc{display:flex;justify-content:space-between;align-items:center;padding:10px 12px;border-radius:8px;
  font-size:.79rem;cursor:pointer;border:1px solid var(--border);margin-bottom:8px}
.demo-accounts .acc:hover{background:var(--brand-50);border-color:var(--brand-500)}

/* ---------- misc ---------- */
.muted{color:var(--text-2)} .small{font-size:.8rem} .mono{font-family:var(--mono)}
.center{text-align:center} .right{text-align:right}
.row{display:flex;gap:10px;align-items:center} .row.wrap{flex-wrap:wrap}
.hidden{display:none !important}
.spinner{width:18px;height:18px;border:2px solid var(--border);border-top-color:var(--brand-500);
  border-radius:50%;animation:spin .7s linear infinite;display:inline-block}
@keyframes spin{to{transform:rotate(360deg)}}
.skeleton{background:linear-gradient(90deg,var(--surface-2) 25%,var(--border) 50%,var(--surface-2) 75%);
  background-size:200% 100%;animation:sk 1.4s infinite;border-radius:6px;height:1em}
@keyframes sk{to{background-position:-200% 0}}
.empty{text-align:center;padding:40px 20px;color:var(--text-3)}
.empty .ic{font-size:2rem;margin-bottom:8px}

/* ---------- responsive ---------- */
@media (max-width:900px){
  .app{grid-template-columns:1fr}
  .sidebar{position:fixed;left:0;top:0;width:248px;transform:translateX(-100%);transition:transform .25s;z-index:100}
  .sidebar.open{transform:none}
  .content{padding:16px 14px 60px}
  .topbar{padding:11px 14px}
  .assistant-panel{right:12px;left:12px;width:auto}
  #navToggle{display:inline-flex}
}
@media print{ .sidebar,.topbar,.assistant-fab,.assistant-panel,.btn{display:none!important} .app{grid-template-columns:1fr} }

/* ---------- landing ---------- */
.hero{background:linear-gradient(120deg,var(--brand-900) 0%,var(--brand-700) 48%,var(--info-600) 140%);color:#fff;padding:var(--space-7) var(--space-5) 56px;border-radius:0 0 28px 28px}
.hero h1{font-size:2rem;margin:0 0 8px}
.hero .actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:22px}
.hero .btn{background:#fff;color:var(--brand-700);border-color:#fff}
.hero .btn.ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.45)}
.public-nav{display:flex;gap:12px;align-items:center;justify-content:space-between;padding:14px 24px;background:var(--surface);border-bottom:1px solid var(--border)}
.radar{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:10px}
.band{width:12px;height:12px;border-radius:3px;display:inline-block}
.band.excellent{background:#0b6b3a} .band.very_good{background:#1c7a4b} .band.good{background:#2e9a5b}
.band.fairly_good{background:#b4741a} .band.fair{background:#c98912} .band.pass{background:#d4a017} .band.fail{background:#b3261e}
.stage{display:flex;gap:6px;flex-wrap:wrap;margin:10px 0}
.stage i{flex:1;min-width:70px;text-align:center;padding:6px 4px;border-radius:8px;background:var(--surface-2);font-size:.72rem;font-style:normal}
.stage i.on{background:var(--brand-600);color:#fff}
.qrbox{width:160px;height:160px;background:repeating-linear-gradient(90deg,#111 0 8px,#fff 8px 16px),repeating-linear-gradient(#111 0 8px,#fff 8px 16px);background-size:160px 160px;border-radius:8px;margin:8px auto}

/* ---------- a11y / UX polish ---------- */
.skip-link{position:absolute;left:-999px;top:8px;z-index:400;background:#fff;color:var(--brand-700);padding:8px 12px;border-radius:8px}
.skip-link:focus{left:12px}
:focus-visible{outline:2px solid var(--focus);outline-offset:2px}
.btn:focus-visible,.navlink:focus-visible{outline:2px solid var(--focus);outline-offset:2px}
body.surface-admin .navlink:focus-visible,body.backoffice .navlink:focus-visible{outline-color:var(--text-on-brand)}
.stat[style*="cursor"],.stat.brand{transition:transform .14s,box-shadow .14s}
.stat:hover{box-shadow:var(--shadow-md)}
.sidebar-backdrop{position:fixed;inset:0;background:rgba(10,24,18,.45);z-index:99;border:none;padding:0;margin:0;width:100%;height:100%}
.sidebar-backdrop[hidden]{display:none !important}
#navToggle{display:none}
.how-grid{margin:-36px 0 20px}
.how-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:16px;box-shadow:var(--shadow-md)}
.how-n{width:28px;height:28px;border-radius:8px;background:var(--brand-600);color:#fff;display:grid;place-items:center;font-weight:700;font-size:.85rem;margin-bottom:8px}
.program-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:14px}
.program-card{border:1px solid var(--border);border-radius:var(--radius);padding:16px;background:var(--surface-2)}
.program-card:hover{border-color:var(--brand-500)}
.faq-list{margin:8px 0 16px;padding-left:20px}
.faq-list li{margin:6px 0}
.hero .actions .btn{min-height:42px;padding:10px 18px}

@media (max-width:900px){
  #navToggle{display:inline-flex !important}
  .how-grid{margin-top:16px}
  .hero{padding:32px 16px 40px;border-radius:0 0 20px 20px}
  .hero h1{font-size:1.55rem}
  .public-nav{padding:12px 14px}
}
@media (max-width:768px){
  table.cards-on-mobile{min-width:0}
  table.cards-on-mobile thead{display:none}
  table.cards-on-mobile tbody tr{display:block;border-bottom:1px solid var(--border);padding:10px 0}
  table.cards-on-mobile tbody td{display:flex;justify-content:space-between;gap:12px;padding:4px 12px;border:0}
  table.cards-on-mobile tbody td::before{content:attr(data-label);font-size:.75rem;color:var(--text-3);font-weight:600}
}
@media (min-width:769px){
  table.cards-on-mobile thead{display:table-header-group}
  table.cards-on-mobile tbody tr{display:table-row}
  table.cards-on-mobile tbody td{display:table-cell}
  table.cards-on-mobile tbody td::before{content:none}
}

/* ---------- modal / sticky tables ---------- */
.modal-backdrop{position:fixed;inset:0;background:rgba(10,24,18,.45);z-index:180;display:grid;place-items:center;padding:16px}
.modal{background:var(--surface);border-radius:var(--radius-lg);padding:20px;max-width:480px;width:100%;box-shadow:var(--shadow-lg)}
.modal h3{margin:0 0 8px}
.table-wrap.sticky-col table{min-width:640px}
.table-wrap.sticky-col th:first-child,.table-wrap.sticky-col td:first-child{
  position:sticky;left:0;background:var(--surface);z-index:2;box-shadow:1px 0 0 var(--border)}
.table-wrap.sticky-col thead th:first-child{background:var(--surface-2);z-index:3}
.legend-row{display:flex;gap:12px;flex-wrap:wrap;font-size:.8rem;color:var(--text-2);margin-bottom:10px}
.qr-img{display:block;width:180px;height:180px;margin:10px auto;border-radius:12px;background:#fff;padding:8px;border:1px solid var(--border)}
.detail-drawer{border:1px solid var(--brand-500);border-radius:var(--radius-lg);padding:16px;background:var(--surface);margin-top:12px}
.kv-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:10px}
.kv-grid .k{font-size:.75rem;color:var(--text-3)}
.kv-grid .v{font-weight:600}
.week-grid{display:grid;grid-template-columns:72px repeat(5,1fr);gap:4px;font-size:.78rem}
.week-grid .hd{font-weight:600;color:var(--text-2);padding:6px}
.week-grid .cell{background:var(--surface-2);border-radius:6px;min-height:44px;padding:6px}
.week-grid .slot{background:var(--brand-100);color:var(--brand-700);border-radius:6px;padding:6px 8px;margin-bottom:4px}
.curriculum-map th.map-th{font-size:.72rem;max-width:64px;white-space:normal;line-height:1.2;vertical-align:bottom}

/* ---------- three surfaces ---------- */
body.site .public-nav{background:var(--surface)}
body.site .site-main{max-width:1100px;margin:0 auto}
.news-list{display:flex;flex-direction:column;gap:10px}
.news-item{display:flex;gap:14px;align-items:flex-start;padding:12px 0;border-bottom:1px solid var(--border)}
.news-item:last-child{border-bottom:none}
.news-item .when{flex:none;width:88px;font-size:.75rem;color:var(--text-3);font-weight:600}

/* Campus Web_App: short light nav, not a dark tool zoo */
body.campus .sidebar,
body.surface-student .sidebar,
body.surface-faculty .sidebar{
  background:var(--surface);color:var(--text);border-right:1px solid var(--border);
  box-shadow:var(--shadow-sm)}
body.campus .sidebar .brand,
body.surface-student .sidebar .brand,
body.surface-faculty .sidebar .brand{border-bottom-color:var(--border)}
body.campus .sidebar .brand span,
body.surface-student .sidebar .brand span,
body.surface-faculty .sidebar .brand span{color:var(--text-3)}
body.campus .navlink,
body.surface-student .navlink,
body.surface-faculty .navlink{color:var(--text-2)}
body.campus .navlink:hover,
body.surface-student .navlink:hover,
body.surface-faculty .navlink:hover{background:var(--brand-50);color:var(--brand-800)}
body.campus .navlink.active,
body.surface-student .navlink.active,
body.surface-faculty .navlink.active{background:var(--brand-100);color:var(--brand-800)}
body.campus .navlink .ic,
body.surface-student .navlink .ic,
body.surface-faculty .navlink .ic{background:var(--brand-50);color:var(--brand-700)}
body.campus .sidebar-foot,
body.surface-student .sidebar-foot,
body.surface-faculty .sidebar-foot{border-top-color:var(--border);color:var(--text-3)}
body.campus .sidebar-foot .btn,
body.surface-student .sidebar-foot .btn,
body.surface-faculty .sidebar-foot .btn{color:var(--brand-700)}

body.surface-faculty,body.portal-faculty{
  /* same green tokens as student — faculty uses role badge only */
}

/* Admin backoffice: distinct header, still not a 7-group mega menu */
body.surface-admin,body.backoffice,body.portal-admin{
  --brand-900:#1c2333; --brand-800:#252e42; --brand-700:#334155; --brand-600:#3f4f6a; --brand-500:#64748b;
  --brand-100:#e2e8f0; --brand-50:#f8fafc;
  --accent-600:#b45309; --accent-500:#d4a017;
  --bg:#f4f5f7; --surface-2:#eceef2; --border:#d8dce3; --border-strong:#b8c0cc;
  --text:#1c1917; --text-2:#44403c; --text-3:#78716c;
}
body.surface-admin .sidebar,body.backoffice .sidebar,body.portal-admin .sidebar{
  background:linear-gradient(180deg,#1c2333 0%,#252e42 55%,#334155 100%);color:#e8edf4}
body.surface-admin .navlink,body.backoffice .navlink,body.portal-admin .navlink{color:#c9d2e0}
body.surface-admin .navlink:hover,body.backoffice .navlink:hover,body.portal-admin .navlink:hover{background:#3f4f6a}
body.surface-admin .sidebar .brand span,body.backoffice .sidebar .brand span,body.portal-admin .sidebar .brand span{color:#a8b4c8}
body.surface-admin .sidebar-foot,body.backoffice .sidebar-foot,body.portal-admin .sidebar-foot{color:#a8b4c8}
body.surface-admin .navlink.active,body.backoffice .navlink.active,body.portal-admin .navlink.active{background:#4a5c7a;color:#fff;font-weight:600}

body.campus .assistant-fab,body.campus .assistant-panel,
body.surface-student .assistant-fab,body.surface-faculty .assistant-fab{display:none !important}

.demo-portals{display:flex;flex-direction:column;gap:10px}
.demo-portals details{border:1px solid var(--border);border-radius:8px;padding:8px 10px}
.demo-portals summary{cursor:pointer;font-weight:600;font-size:.82rem}
.mode-badge{font-size:.68rem;padding:2px 8px;border-radius:999px;font-weight:700;letter-spacing:.04em;text-transform:uppercase}
.mode-badge.mock{background:var(--warn-100);color:var(--warn-600)}
.mode-badge.live{background:var(--ok-100);color:var(--ok-600)}
.mode-badge.degraded{background:var(--err-100);color:var(--err-600)}
.task-list{display:flex;flex-direction:column;gap:8px}
.task-item{display:flex;justify-content:space-between;gap:12px;align-items:center;padding:10px 12px;
  border:1px solid var(--border);border-radius:8px;background:var(--surface)}
.portal-chip{font-size:.72rem;padding:2px 8px;border-radius:999px;background:var(--brand-100);color:var(--brand-700);font-weight:600}

/* ---------- page template ---------- */
.page-header{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin:0 0 18px;flex-wrap:wrap}
.page-header h2{margin:0;font-size:1.35rem}
.page-header-actions{gap:8px}

.tabs{display:flex;gap:6px;flex-wrap:wrap;margin:0 0 16px;border-bottom:1px solid var(--border);padding-bottom:8px}
.tab{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:8px 14px;border-radius:8px 8px 0 0;
  border:1px solid transparent;background:transparent;color:var(--text-2);font-size:.88rem;font-weight:550;cursor:pointer;text-decoration:none}
.tab:hover{background:var(--surface-2);text-decoration:none}
.tab.active{background:var(--brand-50);color:var(--brand-800);border-color:var(--border);border-bottom-color:var(--surface)}

/* ---------- bottom nav (mobile) ---------- */
.bottom-nav{display:none;position:fixed;left:0;right:0;bottom:0;z-index:120;
  background:var(--surface);border-top:1px solid var(--border);box-shadow:0 -4px 16px rgba(6,56,44,.08);
  padding:6px 8px calc(6px + env(safe-area-inset-bottom));grid-template-columns:repeat(5,1fr);gap:4px}
.bottom-nav-item{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;
  min-height:52px;padding:6px 4px;border:none;background:transparent;color:var(--text-3);
  font-size:.68rem;font-family:inherit;font-weight:550;cursor:pointer;text-decoration:none;border-radius:10px}
.bottom-nav-item .ic svg{width:20px;height:20px}
.bottom-nav-item.active,.bottom-nav-item:hover{color:var(--brand-700);background:var(--brand-50)}
.bottom-nav-item span:last-child{line-height:1.2;text-align:center}

/* ---------- public site header ---------- */
.site-header{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 20px;
  background:var(--surface);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:40}
.site-brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:inherit}
.site-brand:hover{text-decoration:none}
.site-seal{width:44px;height:44px;border-radius:50%;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--accent-500),var(--brand-500));color:#fff;font-weight:700;font-size:1rem;flex:none}
.site-brand b{display:block;font-size:1rem;line-height:1.25}
.site-sub{display:block;font-size:.75rem;color:var(--text-3);font-weight:500}
.site-nav{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.site-nav a,.site-nav .btn{font-size:.88rem}
.site-menu-btn{display:none}
.site-foot{padding:20px 24px;border-top:1px solid var(--border);background:var(--surface-2);font-size:.82rem;color:var(--text-2)}

/* ---------- registration bottom sheet ---------- */
.reg-sheet{position:fixed;left:0;right:0;bottom:0;z-index:110;max-height:55vh;background:var(--surface);
  border-top:1px solid var(--border);border-radius:16px 16px 0 0;box-shadow:var(--shadow-lg);padding:14px 16px calc(14px + env(safe-area-inset-bottom));
  transform:translateY(calc(100% - 56px));transition:transform .25s}
.reg-sheet.open{transform:translateY(0)}
.reg-sheet-handle{width:40px;height:4px;border-radius:999px;background:var(--border-strong);margin:0 auto 10px}

@media (max-width:767px){
  .bottom-nav{display:grid}
  body.campus .content,body.backoffice .content,body.surface-student .content,body.surface-faculty .content,body.surface-admin .content{
    padding-bottom:calc(72px + env(safe-area-inset-bottom))}
  .site-menu-btn{display:inline-flex}
  .site-nav{display:none;position:absolute;left:0;right:0;top:100%;background:var(--surface);
    border-bottom:1px solid var(--border);padding:12px 16px;flex-direction:column;align-items:stretch}
  .site-nav.open{display:flex}
  .site-nav .btn,.site-nav a{width:100%;justify-content:center;min-height:44px}
  .btn,.navlink,.tab,.bottom-nav-item{min-height:44px}
}
@media (min-width:768px){
  .reg-sheet{position:sticky;top:80px;max-height:none;transform:none;border-radius:var(--radius-lg);box-shadow:var(--shadow-sm)}
  .reg-sheet-handle{display:none}
}

/* ---------- utilities (token-bound) ---------- */
.u-p-3{padding:var(--space-3)}
.u-p-4{padding:var(--space-4)}
.u-px-4{padding-inline:var(--space-4)}
.u-py-2{padding-block:var(--space-2)}
.u-pt-0{padding-top:var(--space-0)}
.u-gap-2{gap:var(--space-2)}
.u-gap-3{gap:var(--space-3)}
.u-mt-2{margin-top:var(--space-2)}
.u-mt-3{margin-top:var(--space-3)}
.u-mt-4{margin-top:var(--space-4)}
.u-mb-0{margin-bottom:var(--space-0)}
.u-mb-1{margin-bottom:var(--space-1)}
.u-mb-3{margin-bottom:var(--space-3)}
.u-my-3{margin-top:var(--space-3);margin-bottom:var(--space-4)}
.u-m-0{margin:var(--space-0)}
.u-between{display:flex;align-items:center;justify-content:space-between}
.u-end{display:flex;align-items:center;justify-content:flex-end}
.u-center-row{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:var(--space-3)}
.u-stack{display:flex;flex-direction:column}
.u-wrap{flex-wrap:wrap}
.u-on-surface{color:var(--text-on-brand)}
.u-max-sm{max-width:560px}
.u-max-md{max-width:640px}
.u-max-lg{max-width:760px}
.u-max-xl{max-width:920px}
.who-name{font-weight:600}
.stat.warn .value,.value-warn{color:var(--warn-600)}
.stat.ok .value{color:var(--ok-600)}
.help-search{max-width:22.5rem;width:100%}
.login-title{margin-bottom:var(--space-1)}
.login-card-tools{display:flex;justify-content:flex-end;margin-bottom:var(--space-2)}
.week-grid.day{grid-template-columns:72px 1fr}
.hidden-until{display:none}
.hidden-until.open{display:block}

/* ---------- public / PR components ---------- */
.mock-ribbon{background:var(--warn-100);color:var(--warn-600);font-size:var(--fs-xs);padding:var(--space-2) var(--space-4);text-align:center;border-bottom:1px solid var(--border)}
.mock-ribbon a{color:var(--warn-600);font-weight:600}

.gov-banner{background:linear-gradient(120deg,var(--brand-900) 0%,var(--brand-700) 55%,var(--brand-600) 100%);color:var(--text-on-brand);padding:var(--space-6) var(--space-5) var(--space-7)}
.gov-banner .wrap{max-width:1100px;margin:0 auto}
.gov-banner h1{color:var(--text-on-brand);margin:0 0 var(--space-2);font-size:var(--fs-2xl)}
.gov-banner p{color:var(--text-on-brand);margin:0 0 var(--space-4);max-width:42rem}
.eyebrow{font-size:var(--fs-xs);font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--accent-500);margin-bottom:var(--space-2)}
.round-tag{display:inline-block;padding:var(--space-1) var(--space-3);border-radius:var(--radius-pill);background:var(--brand-800);color:var(--text-on-brand);font-size:var(--fs-sm);font-weight:600}

.gov-info{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:var(--space-3);margin:calc(var(--space-5) * -1) auto var(--space-5);max-width:1100px;padding:0 var(--space-4)}
.gov-info .item{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:var(--space-4);box-shadow:var(--shadow-md)}
.gov-info .lbl{font-size:var(--fs-xs);color:var(--text-3);font-weight:600;margin-bottom:var(--space-1)}
.gov-info .val{font-size:var(--fs-lg);font-weight:700;color:var(--brand-800)}
.gov-info .note{font-size:var(--fs-xs);color:var(--text-2);margin-top:var(--space-1)}

.board{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);margin-bottom:var(--space-4);overflow:hidden}
.board-head{display:flex;align-items:center;gap:var(--space-3);padding:var(--space-3) var(--space-4);border-bottom:1px solid var(--border);background:var(--surface-2)}
.board-head h2{margin:0;font-size:var(--fs-lg)}
.board-head .more{font-size:var(--fs-sm);font-weight:600}
.board-body{padding:var(--space-4)}
.board .how-grid{margin:var(--space-0);padding:var(--space-4)}
.board .program-grid{padding:var(--space-4)}
.board .alert{margin:var(--space-0) var(--space-4) var(--space-4)}

.notice{display:flex;gap:var(--space-3);align-items:flex-start;padding:var(--space-3) var(--space-4);border-bottom:1px solid var(--border)}
.notice:last-child{border-bottom:none}
.date-chip{flex:none;width:52px;text-align:center;background:var(--brand-50);border-radius:var(--radius-sm);padding:var(--space-1) var(--space-0)}
.date-chip .d{font-size:var(--fs-lg);font-weight:700;color:var(--brand-700);line-height:var(--lh-tight)}
.date-chip .m{font-size:var(--fs-xs);color:var(--text-3);font-weight:600}
.notice .body{min-width:0}
.notice .tag,.tag{display:inline-block;padding:var(--space-0) var(--space-2);border-radius:var(--radius-pill);font-size:var(--fs-xs);font-weight:700;margin-right:var(--space-1);vertical-align:middle}
.tag.new{background:var(--ok-100);color:var(--ok-600)}
.tag.info{background:var(--info-100);color:var(--info-600)}
.tag.doc{background:var(--accent-100);color:var(--accent-600)}

.gov-pagehead{margin:0 0 var(--space-4)}
.gov-kicker{font-size:var(--fs-sm);color:var(--text-3);font-weight:600;margin:0 0 var(--space-2)}
.gov-toolbar{display:flex;flex-wrap:wrap;align-items:center;gap:var(--space-3);margin:0 0 var(--space-4)}
.gov-table{width:100%}

body.surface-admin .sidebar-foot .btn,
body.backoffice .sidebar-foot .btn,
body.portal-admin .sidebar-foot .btn{color:var(--text-on-brand)}

.toast{position:fixed;bottom:var(--space-5);left:50%;transform:translateX(-50%);z-index:300;
  background:var(--brand-800);color:#fff;padding:var(--space-2) var(--space-4);border-radius:var(--radius-pill);
  font-size:var(--fs-sm);box-shadow:var(--shadow-lg)}

@media (max-width:768px){
  .gov-banner{padding:var(--space-5) var(--space-4)}
  .gov-banner h1{font-size:var(--fs-xl)}
  .gov-info{margin-top:var(--space-4);padding:0 var(--space-3)}
}