/* ============================================================
   CSCI 455/555 — Unified chassis (topnav, footer, focus, buttons)
   Loaded after style.css; this file is the source of truth for the
   shell shared by every page. Page-specific CSS lives in the page
   template's inline <style> or its own dedicated file.
   ============================================================ */

:root{
  --green:#004E38;
  --green-deep:#003526;
  --green-dark:#002219;
  --green-soft:#0d6a50;
  --brass:#B8965B;
  --brass-light:#d6bb86;
  --brass-bright:#e8c275;
  --brass-deep:#8a6b1f;
  --cream:#fbf8ee;
  --cream-warm:#f6f1e3;
  --cream-edge:#efe7cf;
  --rule:#e6dfc7;
  --rule-soft:#efe9d4;
  --ink:#0d1612;
  --ink-soft:#3a4540;
  --ink-mute:#6d7771;
  --crimson:#8a2c1d;
  --ok:#2f7d54;--ok-bg:#e7f1e7;
  --warn:#a86b22;--warn-bg:#f6ead0;
  --bad:#a64a30;--bad-bg:#f4e0d6;

  --serif:'Fraunces',Georgia,serif;
  --sans:'Geist','Inter',-apple-system,BlinkMacSystemFont,'Helvetica Neue','Segoe UI',Arial,sans-serif;
  --mono:'JetBrains Mono',Menlo,monospace;
  --display:'Antonio','Bebas Neue',Impact,sans-serif;

  --r-card:14px;
  --r-pill:999px;
  --maxw:1280px;
}

/* ====== global reset / typography baseline ====== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:#ffffff;color:var(--ink);
  font-family:var(--sans);font-size:16px;line-height:1.55;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button{font:inherit;color:inherit;background:none;border:none;cursor:pointer}
a:focus-visible,button:focus-visible,details:focus-visible,summary:focus-visible{
  outline:2px solid var(--brass);outline-offset:3px;border-radius:4px;
}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 32px}

/* ====== scroll progress bar ====== */
.scroll-progress{position:fixed;top:0;left:0;right:0;height:2px;background:transparent;z-index:100;pointer-events:none}
.scroll-progress__bar{height:100%;background:linear-gradient(90deg,var(--brass),var(--brass-bright));width:0;transition:width .1s ease}

/* ====== UNIFIED TOPNAV — disappearing two-band collapse ====== */
/* Upper green eyebrow is always visible; lower cream band collapses to height:0
   + opacity:0 after a 3.5s idle (or once the page is scrolled past 80px).
   Hovering the green eyebrow, or focusing anything inside the navbar, re-expands
   the cream band. Transitions: 400ms ease-in-out both directions. */
.topnav-c{position:sticky;top:0;z-index:60;background:var(--cream);color:var(--ink);box-shadow:0 1px 0 var(--rule);font-family:var(--sans)}

/* Wrapper that does the height + opacity collapse */
.topnav-c__lower{
  position:relative;
  background:var(--cream);
  border-bottom:1px solid var(--rule);
  overflow:hidden;
  height:130px;opacity:1;
  transition:height .42s ease-in-out, opacity .32s ease-in-out, border-bottom-color .32s ease-in-out;
  box-shadow:0 1px 0 rgba(184,150,91,.18), 0 8px 22px -18px rgba(0,53,38,.35);
}
.topnav-c.is-collapsed .topnav-c__lower{height:0;opacity:0;border-bottom-color:transparent}
.topnav-c__lower-inner{opacity:1;transition:opacity .32s ease-in-out}
.topnav-c.is-collapsed .topnav-c__lower-inner{opacity:0;pointer-events:none}
/* Hover the upper green band re-expands the cream band. */
.topnav-c:hover .topnav-c__lower,
.topnav-c__upper:hover ~ .topnav-c__lower{height:130px;opacity:1}
/* :focus-within keeps the band open whenever a child is focused (a11y). */
.topnav-c:focus-within .topnav-c__lower{height:130px;opacity:1;border-bottom-color:var(--rule)}
.topnav-c:focus-within .topnav-c__lower-inner{opacity:1;pointer-events:auto}

.topnav-c__upper{
  background:linear-gradient(180deg,var(--green-deep) 0%,#002219 100%);
  color:#e7e0c8;border-bottom:1px solid rgba(232,194,117,.18);
  position:relative;
}
/* Skip-link / keyboard re-expand affordance — visible only on focus */
.skip-link{
  position:fixed;top:6px;left:50%;transform:translate(-50%,-200%);
  z-index:200;
  background:var(--green-deep);color:var(--brass-bright);
  border:1px solid var(--brass-deep);border-radius:4px;
  padding:8px 14px;text-decoration:none;
  font-family:var(--mono);font-size:11px;font-weight:700;
  letter-spacing:.14em;text-transform:uppercase;
  transition:transform .2s ease;
}
.skip-link:focus{
  transform:translate(-50%,0%);
  outline:2px solid var(--brass-bright);outline-offset:2px;
}
.topnav-c__upper-inner{
  max-width:1280px;margin:0 auto;padding:9px 32px;
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  font-size:11.5px;letter-spacing:.04em;
}
.topnav-c__upper-left{display:inline-flex;align-items:center;gap:14px;color:#d5cdb1}
.topnav-c__upper-left img{height:22px;width:auto;display:block;opacity:.95}
.topnav-c__upper-left .sep{width:1px;height:14px;background:rgba(232,194,117,.28)}
.topnav-c__upper-left strong{color:#f4ebd0;font-weight:600;letter-spacing:.06em}
.topnav-c__upper-right{
  display:inline-flex;align-items:center;gap:14px;
  color:#a8b6ad;
  font-family:var(--mono);font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;
}
.topnav-c__upper-right .dot{
  width:5px;height:5px;border-radius:50%;background:var(--brass-bright);
  box-shadow:0 0 0 3px rgba(232,194,117,.18);
  animation:topnav-dot 2.4s ease-in-out infinite;
}
@keyframes topnav-dot{0%,100%{opacity:.5}50%{opacity:1}}
.topnav-c__upper-right em{
  font-family:var(--serif);font-style:normal;color:var(--brass-bright);
  font-weight:500;text-transform:none;letter-spacing:.01em;font-size:11.5px;
}

/* Inner cream-band grid: mark | primary | auth, aligned to 1280/32 gutter. */
.topnav-c__lower-inner{
  position:relative;
  max-width:1280px;margin:0 auto;padding:0 32px;
  height:130px;
  display:grid;grid-template-columns:auto 1fr auto;align-items:center;column-gap:36px;
}

/* CSCI 455 / 555 mark — focus-4 mixed-family lockup.
   Designed so the cap "C" + "SCI 455" + "/" + "555" are all swappable atoms,
   each with its own role (course code prefix, course number, divider, alt number).
   To replace the lockup, edit the four spans in templates/base.html (and
   templates/index.html) — the CSS keys are .topnav-c__mark-{cap,num,slash,num2,tag}. */
.topnav-c__mark{
  display:flex;align-items:baseline;gap:6px;text-decoration:none;color:var(--ink);
  font-family:var(--display);font-weight:600;letter-spacing:.02em;
  padding-right:28px;border-right:1px solid var(--rule);
}
/* Inline SVG agentic lockup — drawn from scratch with brand tokens.
   Source: templates/_partials/agentic_lockup.svg. ViewBox 1500x200 (7.5:1)
   so at 56px tall the rendered width is ~420px, fitting the cream band's
   left column without crowding the primary nav. */
.topnav-c__mark--svg{padding-right:24px;align-items:center}
.topnav-c__mark--svg svg{height:120px;width:auto;display:block;max-width:none;flex:none}
@media(max-width:1100px){.topnav-c__mark--svg svg{height:100px}}
@media(max-width:960px){.topnav-c__mark--svg svg{height:82px}}
@media(max-width:640px){.topnav-c__mark--svg svg{height:64px}}
.topnav-c__mark-cap{
  font-family:var(--serif);font-weight:700;font-size:32px;
  color:var(--green-deep);line-height:1;letter-spacing:-.01em;
}
.topnav-c__mark-num{
  font-family:var(--display);font-weight:600;font-size:24px;
  color:var(--ink);line-height:1;letter-spacing:.02em;
}
.topnav-c__mark-slash{
  font-family:var(--display);font-weight:500;font-size:22px;
  color:var(--brass);margin:0 2px;line-height:1;
}
.topnav-c__mark-num2{
  font-family:var(--display);font-weight:600;font-size:24px;
  color:var(--ink);line-height:1;letter-spacing:.02em;
}
.topnav-c__mark-tag{
  margin-left:14px;padding-left:14px;border-left:1px dotted var(--rule);
  font-family:var(--serif);font-weight:400;font-size:11px;line-height:1.25;
  color:#54625a;display:flex;flex-direction:column;letter-spacing:0;
  align-self:center;
}
.topnav-c__mark-tag b{
  display:block;margin-bottom:1px;
  font-family:var(--mono);font-weight:600;font-size:9px;
  letter-spacing:.18em;text-transform:uppercase;color:var(--brass-deep);
}
.topnav-c__mark-tag em{font-style:italic;color:var(--green-deep);font-weight:500}

/* Primary nav — sans-serif sentence case, brass underline on hover/current */
.topnav-c__primary{display:flex;align-items:center;gap:6px;justify-self:center}
.topnav-c__primary a{
  position:relative;text-decoration:none;color:#2a3a32;
  font-family:var(--sans);font-size:13px;font-weight:500;letter-spacing:.02em;
  padding:8px 14px;border-radius:2px;
  transition:color .2s ease,background .2s ease;
}
.topnav-c__primary a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:1px;
  background:var(--brass);
  transform:scaleX(0);transform-origin:left;transition:transform .25s ease;
}
.topnav-c__primary a:hover{color:var(--green-deep)}
.topnav-c__primary a:hover::after{transform:scaleX(1)}
.topnav-c__primary a[aria-current="page"]{color:var(--green-deep);font-weight:600}
.topnav-c__primary a[aria-current="page"]::after{transform:scaleX(1);background:var(--green-deep);height:2px}

/* Auth — Fraunces brass CTA (signed-out), framed pill (signed-in) */
.topnav-c__auth{display:flex;align-items:center;gap:10px;justify-self:end}
.topnav-c__signin{
  text-decoration:none;
  background:linear-gradient(180deg,var(--brass-bright),var(--brass));
  color:#1c1408;
  font-family:var(--serif);font-weight:600;font-size:13px;letter-spacing:.02em;
  padding:9px 18px;border-radius:2px;
  box-shadow:0 1px 0 #fff3c5 inset,0 1px 2px rgba(138,107,31,.35),0 0 0 1px var(--brass-deep);
  transition:transform .15s ease,box-shadow .15s ease;
}
.topnav-c__signin:hover{
  transform:translateY(-1px);
  box-shadow:0 1px 0 #fff3c5 inset,0 4px 10px rgba(138,107,31,.4),0 0 0 1px var(--brass-deep);
}
.topnav-c__user{
  display:flex;align-items:center;gap:8px;text-decoration:none;color:var(--ink);
  padding:5px 10px 5px 5px;border:1px solid var(--rule);border-radius:2px;background:#fff;
  font-size:12px;
}
.topnav-c__user .av{
  width:26px;height:26px;border-radius:2px;background:var(--green-deep);
  color:var(--brass-bright);
  display:flex;align-items:center;justify-content:center;
  font-family:var(--mono);font-size:10px;font-weight:700;letter-spacing:.04em;
}
.topnav-c__user b{
  font-family:var(--mono);font-size:11px;font-weight:500;color:#3a4a42;
  letter-spacing:.02em;text-transform:none;
}
.topnav-c__user:hover{border-color:var(--brass)}
.topnav-c__logout{
  font-family:var(--mono);font-size:10px;font-weight:500;
  letter-spacing:.14em;text-transform:uppercase;
  color:#6a786f;text-decoration:none;padding:6px 8px;
  border-bottom:1px dotted var(--rule);
}
.topnav-c__logout:hover{color:var(--brass-deep);border-bottom-color:var(--brass-deep)}


@media (prefers-reduced-motion: reduce){
  .topnav-c__lower,
  .topnav-c__lower-inner{transition-duration:.01s !important;transition:none !important}
  .topnav-c__upper-right .dot{animation:none}
}

@media(max-width:1100px){
  .topnav-c__mark-tag{display:none}
  .topnav-c__primary a{padding:8px 10px}
}
@media(max-width:980px){
  .topnav-c__primary{display:none}
  .topnav-c__upper-right{display:none}
}
@media(max-width:640px){
  .topnav-c__upper-left span{display:none}
  .topnav-c__mark-cap{font-size:26px}
  .topnav-c__mark-num,
  .topnav-c__mark-num2{font-size:20px}
  .topnav-c__mark-slash{font-size:18px}
  .topnav-c__user b{display:none}
  .topnav-c__lower-inner{padding:0 18px;column-gap:14px}
}

/* ====== UNIFIED FOOTER — "The Watermark" (Concept C) ====== */
.water{
  background:var(--green-deep);color:var(--cream);
  position:relative;overflow:hidden;
  padding:32px 0 24px;margin-top:96px;
}
.water::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent 0%,var(--brass) 22%,var(--brass-bright) 50%,var(--brass) 78%,transparent 100%);
}
.water__mark{
  position:absolute;right:-40px;bottom:-60px;
  width:560px;height:auto;pointer-events:none;user-select:none;
  opacity:.055;filter:brightness(2.2);z-index:0;
}
.water__corner{
  position:absolute;font-family:var(--mono);font-size:9.5px;letter-spacing:.28em;
  text-transform:uppercase;color:rgba(232,194,117,.45);font-weight:500;z-index:1;
}
.water__corner.tl{top:18px;left:48px}
.water__corner.tr{top:18px;right:48px}

.water__wrap{position:relative;z-index:1;max-width:1180px;margin:0 auto;padding:0 48px}

.water__eyebrow{
  font-family:var(--mono);font-size:10.5px;letter-spacing:.32em;text-transform:uppercase;
  color:var(--brass-bright);font-weight:600;margin-bottom:18px;
  display:inline-flex;align-items:center;gap:12px;
}
.water__eyebrow::before{content:"";width:34px;height:1.5px;background:var(--brass-bright)}
.water__title{
  font-family:var(--serif);font-style:italic;font-weight:500;
  font-size:30px;line-height:1.16;letter-spacing:-.012em;color:var(--cream);
  max-width:42ch;margin-bottom:36px;
}
.water__title em{color:var(--brass-bright);font-style:italic;font-weight:500}

.water__strip{
  display:flex;align-items:stretch;gap:0;
  padding:22px 0;
  border-top:1px solid rgba(184,150,91,.25);
  border-bottom:1px solid rgba(184,150,91,.25);
}
.water__cell{
  flex:1;padding:4px 28px;display:flex;flex-direction:column;gap:6px;
  border-right:1px solid rgba(184,150,91,.14);position:relative;
}
.water__cell:first-child{padding-left:0}
.water__cell:last-child{border-right:none;padding-right:0}
.water__cell:not(:last-child)::after{
  content:"";position:absolute;right:-3.5px;top:50%;transform:translateY(-50%);
  width:7px;height:7px;border-radius:50%;
  background:var(--brass);box-shadow:0 0 0 2px var(--green-deep);z-index:2;
}
.water__cell dt{
  font-family:var(--mono);font-size:9.5px;letter-spacing:.28em;text-transform:uppercase;
  color:var(--brass-bright);font-weight:600;
}
.water__cell dd{font-family:var(--serif);font-size:14.5px;line-height:1.55;color:var(--cream)}
.water__cell dd b{
  display:block;font-family:var(--serif);font-style:italic;font-weight:600;
  font-size:17px;color:var(--brass-bright);margin-bottom:2px;letter-spacing:-.005em;
}
.water__cell dd em{font-style:italic;color:var(--brass-bright);font-weight:500}

.water__foot{
  margin-top:14px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:24px;
}
.water__foot .l,.water__foot .r{
  font-family:var(--mono);font-size:10.5px;letter-spacing:.24em;text-transform:uppercase;
  color:rgba(232,194,117,.6);font-weight:500;
}
.water__foot .l{text-align:left}
.water__foot .r{text-align:right}
.water__foot .l b,.water__foot .r b{color:var(--brass-bright);font-weight:700}
.water__foot .center{
  display:flex;align-items:center;gap:14px;
  padding:10px 24px;border:1px solid rgba(184,150,91,.3);border-radius:999px;
  background:rgba(0,34,25,.5);text-decoration:none;
  transition:border-color .15s ease,background .15s ease;
}
.water__foot .center:hover{border-color:var(--brass-bright);background:rgba(0,34,25,.7)}
.water__foot .center img{height:20px;width:auto;display:block;filter:brightness(1.6) saturate(.6)}
.water__foot .center img.wm-lockup{height:14px;filter:brightness(0) invert(94%) sepia(15%) saturate(420%) hue-rotate(2deg) brightness(98%)}
.water__foot .center span{
  font-family:var(--mono);font-size:10px;letter-spacing:.26em;text-transform:uppercase;
  color:var(--brass-bright);font-weight:600;
}

@media(max-width:980px){
  .water__strip{flex-wrap:wrap}
  .water__cell{flex:0 0 50%;padding:14px 22px}
  .water__cell:nth-child(2n)::after{display:none}
}
@media(max-width:680px){
  .water{padding:48px 0 32px}
  .water__corner{display:none}
  .water__wrap{padding:0 24px}
  .water__title{font-size:22px;margin-bottom:24px}
  .water__cell{flex:0 0 100%;padding:12px 0;border-right:none;border-bottom:1px dashed rgba(184,150,91,.18)}
  .water__cell::after{display:none!important}
  .water__cell:last-child{border-bottom:none}
  .water__foot{grid-template-columns:1fr;text-align:center}
  .water__foot .l,.water__foot .r{text-align:center}
}

/* ============================================================
   REGISTRAR / LETTERHEAD CHASSIS — shared by /admin templates.

   The admin pages should read as the registrar's roster room, not a
   CRUD dashboard. These tokens give every admin template the same
   letterhead vocabulary used on /me and in the transactional emails:

     .lh-wrap         — page gutter, 1280px max
     .lh-masthead     — cream registrar masthead w/ monogram + double-rule
     .lh-eyebrow      — mono caps eyebrow w/ leading brass dash
     .lh-rule         — gold hairline divider, used between blocks
     .lh-fleuron      — diamond + dual hairline section break
     .lh-sheet        — cream paper sheet w/ brass outer + green inner frame
     .lh-ledger       — ledger panel (mono caps headers, gold underrules)
     .pill            — small mono-cap status pill (brass/green/cream variants)
     .lh-avatar       — round portrait w/ initials fallback (cohort photos)
     .lh-stamp-btn    — registrar-stamp button (dashed brass frame, rotated)
     .lh-ghost-btn    — ghost-brass action (revertible: Unapprove, Regenerate)
     .lh-link         — ledger row "View →" link, mono caps
     .lh-card-list    — sub-720px stack: rows collapse to cards
   ============================================================ */

.lh-wrap{max-width:1280px;margin:0 auto;padding:0 32px}

/* — masthead — cream band w/ centered W&M monogram, brass double-rule,
   italic Fraunces title, mono-caps eyebrow. Mirrors the email letterhead
   and the /me cover masthead, recoloured for a white-body context. */
.lh-masthead{
  margin-top:36px;padding:38px 36px 30px;
  background:linear-gradient(180deg,var(--cream) 0%,#fdfaf0 100%);
  border:1px solid var(--rule);border-radius:14px;
  position:relative;overflow:hidden;
}
.lh-masthead::before{
  content:"";position:absolute;left:0;right:0;top:0;height:3px;
  background:linear-gradient(90deg,transparent,var(--brass) 14%,var(--brass-bright) 50%,var(--brass) 86%,transparent);
}
.lh-masthead::after{
  content:"";position:absolute;left:24px;right:24px;top:11px;height:1px;
  background:linear-gradient(90deg,transparent,rgba(184,150,91,.4) 18%,rgba(184,150,91,.6) 50%,rgba(184,150,91,.4) 82%,transparent);
}
.lh-masthead__crest{
  display:flex;align-items:center;justify-content:center;gap:18px;margin-bottom:14px;
}
.lh-masthead__crest img{height:54px;width:auto;opacity:.96;flex:none}
.lh-masthead__crest-sides{
  font-family:var(--mono);font-size:9.5px;letter-spacing:.36em;text-transform:uppercase;
  color:var(--brass-deep);font-weight:600;line-height:1.5;opacity:.85;
}
.lh-masthead__crest-sides.l{text-align:right}
.lh-masthead__row{
  display:flex;align-items:flex-end;justify-content:space-between;gap:28px;flex-wrap:wrap;
}
.lh-masthead__t{display:flex;flex-direction:column;gap:8px}
.lh-eyebrow{
  font-family:var(--mono);font-size:10.5px;letter-spacing:.28em;text-transform:uppercase;
  color:var(--green);font-weight:600;
  display:inline-flex;align-items:center;gap:12px;width:fit-content;
}
.lh-eyebrow::before{content:"";width:24px;height:1.5px;background:var(--brass)}
.lh-eyebrow--brass{color:var(--brass-deep)}
.lh-eyebrow--brass::before{background:var(--brass-deep)}
.lh-eyebrow--ink{color:var(--ink-soft)}
.lh-eyebrow--ink::before{background:var(--ink-mute)}
.lh-masthead h1{
  font-family:var(--serif);font-weight:400;font-size:clamp(34px,4.4vw,46px);
  line-height:1.04;letter-spacing:-.022em;color:var(--ink);
}
.lh-masthead h1 em{font-style:italic;color:var(--green-deep);font-weight:500}
.lh-masthead .deck{
  margin-top:4px;color:var(--ink-soft);font-size:15px;line-height:1.55;max-width:64ch;
}
.lh-masthead .deck b{
  font-family:var(--mono);font-weight:600;color:var(--green-deep);
  font-size:13.5px;letter-spacing:.02em;
}
.lh-masthead__actions{display:flex;align-items:center;gap:10px;flex-wrap:wrap}

/* — gold hairline rule, drop-in element — */
.lh-rule{
  height:1px;border:0;margin:0;
  background:linear-gradient(90deg,transparent,rgba(184,150,91,.45) 12%,rgba(184,150,91,.65) 50%,rgba(184,150,91,.45) 88%,transparent);
}

/* — fleuron: diamond + dual hairline section break — */
.lh-fleuron{
  display:flex;align-items:center;justify-content:center;gap:18px;
  margin:36px auto 24px;color:var(--brass);
}
.lh-fleuron::before,.lh-fleuron::after{
  content:"";flex:1;height:1px;
  background:linear-gradient(90deg,transparent,rgba(184,150,91,.55) 40%,rgba(184,150,91,.55) 60%,transparent);
}
.lh-fleuron__mark{
  width:8px;height:8px;background:var(--brass);transform:rotate(45deg);
  box-shadow:0 0 0 4px #fff,0 0 0 5px rgba(184,150,91,.25);
}

/* — cream sheet w/ brass outer + green inner rule. Same composition
   as the email letterhead frame, applied to web. — */
.lh-sheet{
  background:var(--cream);border:2px solid var(--brass);border-radius:4px;
  padding:36px 40px 32px;
  box-shadow:0 1px 0 rgba(184,150,91,.18),0 22px 44px -22px rgba(13,22,18,.18);
  position:relative;
}
.lh-sheet::before{
  content:"";position:absolute;inset:6px;border:1px solid rgba(0,78,56,.32);
  border-radius:2px;pointer-events:none;
}
.lh-sheet > *{position:relative}
.lh-sheet__hd{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;
  padding-bottom:18px;margin-bottom:24px;border-bottom:1px solid var(--rule);
}
.lh-sheet__hd h2{
  font-family:var(--serif);font-weight:400;font-style:italic;font-size:30px;
  line-height:1.05;letter-spacing:-.015em;color:var(--ink);
}
.lh-sheet__hd h2 b{font-style:normal;font-weight:600;color:var(--green-deep)}
.lh-sheet__hd .meta{
  font-family:var(--mono);font-size:10.5px;letter-spacing:.18em;text-transform:uppercase;
  color:var(--ink-mute);font-weight:500;text-align:right;
}
.lh-sheet__hd .meta b{
  display:block;font-family:var(--serif);font-style:italic;font-weight:600;font-size:14px;
  color:var(--green-deep);letter-spacing:-.005em;text-transform:none;margin-top:2px;
}
.lh-sheet__byline{
  margin-top:22px;padding-top:18px;border-top:1px solid var(--rule);
  display:flex;align-items:baseline;justify-content:space-between;gap:20px;flex-wrap:wrap;
  font-family:var(--mono);font-size:10.5px;letter-spacing:.18em;text-transform:uppercase;
  color:var(--ink-mute);font-weight:500;
}
.lh-sheet__byline b{
  color:var(--green-deep);font-weight:700;font-family:var(--serif);font-style:italic;
  font-size:15px;letter-spacing:-.005em;text-transform:none;
}

/* — ledger panel (used for the roster + notes tables) — */
.lh-ledger{
  margin-top:18px;background:#fff;border:1px solid var(--rule);border-radius:14px;
  overflow:hidden;position:relative;
}
.lh-ledger::before{
  content:"";position:absolute;left:0;right:0;top:0;height:2px;
  background:linear-gradient(90deg,transparent,var(--brass) 12%,var(--brass-bright) 50%,var(--brass) 88%,transparent);
}
.lh-ledger__hd{
  display:flex;align-items:flex-end;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:18px 22px 14px;border-bottom:1px solid var(--rule);background:var(--cream-warm);
}
.lh-ledger__hd h2{
  font-family:var(--serif);font-weight:500;font-size:22px;letter-spacing:-.015em;
  color:var(--ink);line-height:1.1;
}
.lh-ledger__hd h2 em{font-style:italic;color:var(--green-deep);font-weight:500}
.lh-ledger__hd .meta{
  font-family:var(--mono);font-size:10.5px;letter-spacing:.18em;text-transform:uppercase;
  color:var(--ink-mute);font-weight:500;
}
.lh-ledger__hd .meta b{color:var(--green-deep);font-weight:700}

.lh-ledger table{
  width:100%;border-collapse:collapse;font-size:13.5px;
}
.lh-ledger thead th{
  text-align:left;padding:12px 22px;background:var(--cream-warm);
  font-family:var(--mono);font-size:10px;letter-spacing:.22em;text-transform:uppercase;
  color:var(--ink-mute);font-weight:600;
  border-bottom:1px solid var(--brass-light);
  position:relative;
}
.lh-ledger thead th.num{text-align:right}
.lh-ledger thead th.center{text-align:center}
.lh-ledger tbody td{
  padding:14px 22px;vertical-align:middle;
  border-bottom:1px solid var(--rule-soft);
}
.lh-ledger tbody tr:last-child td{border-bottom:none}
.lh-ledger tbody tr:hover{background:var(--cream-warm)}
.lh-ledger td.num{
  text-align:right;font-family:var(--mono);font-variant-numeric:tabular-nums;
  color:var(--green-deep);font-weight:600;
}
.lh-ledger td.num.muted{color:var(--ink-mute);font-weight:500}
.lh-ledger td.letter{
  font-family:var(--serif);font-style:italic;font-weight:600;
  font-size:18px;color:var(--green-deep);letter-spacing:-.01em;
}
.lh-ledger__foot{
  display:flex;align-items:center;justify-content:space-between;
  padding:12px 22px;border-top:1px solid var(--rule);background:var(--cream-warm);
  font-family:var(--mono);font-size:10px;letter-spacing:.18em;text-transform:uppercase;
  color:var(--ink-mute);font-weight:500;flex-wrap:wrap;gap:10px;
}

/* — scholar cell (avatar + name + email) — */
.lh-scholar{display:flex;align-items:center;gap:12px}
.lh-avatar{
  width:38px;height:38px;border-radius:50%;flex:none;overflow:hidden;
  background:var(--green-deep);color:var(--brass-bright);
  display:grid;place-items:center;
  font-family:var(--serif);font-style:italic;font-weight:700;font-size:13.5px;
  box-shadow:0 0 0 1px var(--brass-light),0 4px 10px -6px rgba(13,22,18,.4);
  position:relative;
}
.lh-avatar img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0}
.lh-scholar__m{display:flex;flex-direction:column;line-height:1.2;min-width:0}
.lh-scholar__name{
  font-family:var(--serif);font-style:italic;font-weight:600;font-size:16px;
  color:var(--ink);letter-spacing:-.008em;
}
.lh-scholar__email{
  font-family:var(--mono);font-size:11px;color:var(--ink-mute);margin-top:1px;
  overflow:hidden;text-overflow:ellipsis;
}

/* — mono-caps status pill — */
.pill{
  display:inline-flex;align-items:center;gap:6px;padding:4px 11px;border-radius:var(--r-pill);
  font-family:var(--mono);font-size:10px;letter-spacing:.18em;text-transform:uppercase;
  font-weight:700;line-height:1.5;white-space:nowrap;
  border:1px solid transparent;
}
.pill .dot{width:6px;height:6px;border-radius:50%;background:currentColor;opacity:.7}
.pill--brass{background:#fdf3da;color:var(--brass-deep);border-color:var(--brass-light)}
.pill--green{background:#e2efe7;color:var(--green-deep);border-color:#bcd6c5}
.pill--green-deep{background:var(--green-deep);color:var(--brass-bright);border-color:var(--green-deep)}
.pill--cream{background:var(--cream-warm);color:var(--ink-soft);border-color:var(--rule)}
.pill--bad{background:var(--bad-bg);color:var(--bad);border-color:#e9c4b6}
.pill--ok{background:var(--ok-bg);color:var(--ok);border-color:#c8dec8}
.pill--ghost{background:transparent;color:var(--ink-mute);border-color:var(--rule)}

/* — grade letter pill (A/B/C/D/F) — same family as the email letter pill. */
.lh-grade{
  display:inline-flex;align-items:center;padding:3px 11px;border-radius:var(--r-pill);
  font-family:var(--mono);font-size:11.5px;font-weight:700;letter-spacing:.04em;
}
.lh-grade--A{background:var(--ok-bg);color:var(--ok)}
.lh-grade--B{background:#eaf0e1;color:#516b2b}
.lh-grade--C{background:var(--warn-bg);color:var(--warn)}
.lh-grade--D,.lh-grade--F{background:var(--bad-bg);color:var(--bad)}

/* — KPI cards for the masthead — small cream ledger plates — */
.lh-kpis{
  margin-top:28px;display:grid;grid-template-columns:repeat(5,1fr);gap:14px;
}
.lh-kpi{
  background:#fff;border:1px solid var(--rule);border-radius:12px;padding:18px 20px;
  position:relative;overflow:hidden;
}
.lh-kpi::before{
  content:"";position:absolute;left:0;right:0;top:0;height:2px;
  background:linear-gradient(90deg,transparent,rgba(184,150,91,.45),transparent);
}
.lh-kpi__label{
  font-family:var(--mono);font-size:10px;letter-spacing:.22em;text-transform:uppercase;
  color:var(--ink-mute);font-weight:600;
}
.lh-kpi__value{
  margin-top:10px;font-family:var(--serif);font-style:italic;
  font-size:36px;line-height:1;color:var(--green-deep);letter-spacing:-.018em;
  display:flex;align-items:baseline;gap:6px;font-weight:500;
}
.lh-kpi__value small{
  font-family:var(--mono);font-size:13px;color:var(--ink-mute);font-weight:500;
  font-style:normal;letter-spacing:.02em;
}
.lh-kpi__delta{
  margin-top:8px;font-family:var(--mono);font-size:10.5px;letter-spacing:.12em;
  text-transform:uppercase;color:var(--ok);font-weight:600;
}
.lh-kpi--alert .lh-kpi__value{color:var(--warn)}
.lh-kpi--alert .lh-kpi__delta{color:var(--warn)}
.lh-kpi--alert::before{background:linear-gradient(90deg,transparent,rgba(168,107,34,.55),transparent)}

/* — toolbar (search + filter chips) — */
.lh-toolbar{
  margin-top:24px;display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  padding:12px 14px;background:#fff;border:1px solid var(--rule);border-radius:12px;
}
.lh-search{
  flex:1;min-width:220px;display:flex;align-items:center;gap:8px;
  padding:8px 12px;background:var(--cream-warm);border:1px solid transparent;border-radius:8px;
  font-family:var(--sans);
}
.lh-search:focus-within{border-color:var(--brass-light);background:#fff}
.lh-search input{border:none;outline:none;background:none;font:inherit;width:100%;color:var(--ink)}
.lh-search .ico{color:var(--ink-mute);font-size:14px}
.lh-chip{
  padding:7px 14px;border-radius:var(--r-pill);
  font-family:var(--mono);font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;
  font-weight:600;color:var(--ink-soft);background:var(--cream-warm);
  border:1px solid transparent;cursor:pointer;
  transition:background .15s ease,color .15s ease,border-color .15s ease;
}
.lh-chip:hover{border-color:var(--brass-light)}
.lh-chip.is-active{background:var(--green-deep);color:var(--cream);border-color:var(--green-deep)}
.lh-chip .ct{margin-left:6px;color:var(--ink-mute);font-size:10px}
.lh-chip.is-active .ct{color:var(--brass-bright)}

/* — buttons in the admin chassis — */
.lh-btn{
  display:inline-flex;align-items:center;gap:8px;padding:10px 16px;border-radius:9px;
  font-family:var(--mono);font-size:10.5px;letter-spacing:.18em;text-transform:uppercase;
  font-weight:700;border:1.5px solid transparent;text-decoration:none;cursor:pointer;
  transition:background .15s ease,border-color .15s ease,color .15s ease,transform .15s ease;
}
.lh-btn .ar{font-family:var(--serif);font-size:15px;letter-spacing:0;font-weight:400;transition:transform .15s ease}
.lh-btn:hover .ar{transform:translateX(3px)}
.lh-btn--green{background:var(--green-deep);color:var(--cream)}
.lh-btn--green:hover{background:var(--green)}
.lh-btn--brass{
  background:linear-gradient(180deg,var(--brass-bright) 0%,var(--brass) 100%);
  color:var(--green-dark);border-color:var(--brass-deep);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.4);
}
.lh-btn--brass:hover{background:linear-gradient(180deg,#f3d68f 0%,var(--brass-bright) 100%)}
.lh-btn--ghost{background:transparent;color:var(--ink);border-color:var(--rule)}
.lh-btn--ghost:hover{background:var(--cream-warm);border-color:var(--brass-light)}
.lh-btn--ghost-brass{
  background:transparent;color:var(--brass-deep);border-color:var(--brass-light);
}
.lh-btn--ghost-brass:hover{background:var(--cream-warm);border-color:var(--brass-deep);color:var(--brass-deep)}
.lh-btn--danger{background:transparent;color:var(--bad);border-color:#e9c4b6}
.lh-btn--danger:hover{background:var(--bad-bg);border-color:var(--bad)}
.lh-btn--sm{padding:6px 12px;font-size:9.5px;letter-spacing:.16em}

/* — registrar-stamp button: dashed brass frame, two-line stack,
   slight rotation. Used for final/lock actions (Approve, Send invite). */
.lh-stamp-btn{
  display:inline-flex;flex-direction:column;align-items:center;gap:2px;
  padding:10px 18px;border:1.6px dashed var(--brass-deep);border-radius:6px;
  background:linear-gradient(180deg,#fffdf0 0%,#f7eecd 100%);
  color:var(--green-deep);cursor:pointer;text-decoration:none;
  font-family:var(--mono);font-weight:800;letter-spacing:.22em;text-transform:uppercase;
  transform:rotate(-1.2deg);
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease;
  box-shadow:0 2px 0 rgba(184,150,91,.18),0 10px 22px -14px rgba(13,22,18,.3);
}
.lh-stamp-btn .lbl{font-size:8.5px;letter-spacing:.32em;color:var(--brass-deep);font-weight:700}
.lh-stamp-btn .act{
  font-family:var(--serif);font-style:italic;font-weight:700;
  font-size:15px;letter-spacing:-.012em;color:var(--green-deep);
  text-transform:none;line-height:1.1;
}
.lh-stamp-btn:hover{
  transform:rotate(-1.2deg) translateY(-2px);
  box-shadow:0 3px 0 rgba(184,150,91,.22),0 16px 28px -14px rgba(13,22,18,.35);
  background:linear-gradient(180deg,#fffdf0 0%,#f1e4b8 100%);
}
.lh-stamp-btn:active{transform:rotate(-1.2deg) translateY(0)}
.lh-stamp-btn[disabled],.lh-stamp-btn:disabled{
  opacity:.5;cursor:not-allowed;transform:rotate(-1.2deg);
}

/* — small ledger-row "View →" link, mono caps — */
.lh-link{
  color:var(--green-deep);font-weight:700;font-size:11px;
  font-family:var(--mono);letter-spacing:.16em;text-transform:uppercase;
  display:inline-flex;align-items:center;gap:5px;text-decoration:none;white-space:nowrap;
}
.lh-link .ar{font-family:var(--serif);font-size:14px;letter-spacing:0;font-weight:400;transition:transform .15s ease}
.lh-link:hover{color:var(--brass-deep)}
.lh-link:hover .ar{transform:translateX(3px)}

.lh-row-actions{display:flex;align-items:center;gap:10px;justify-content:flex-end;flex-wrap:wrap}
.lh-row-actions form{margin:0;display:inline}
.lh-row-time{
  font-family:var(--mono);font-size:11px;color:var(--ink-mute);letter-spacing:.04em;
  font-variant-numeric:tabular-nums;
}
.lh-ov{font-family:var(--mono);font-size:12.5px}
.lh-ov--has{color:var(--green-deep);font-weight:700}
.lh-ov--none{color:var(--ink-mute)}

/* — "writing desk" textarea (warm-note seed, per-student draft) — */
.lh-desk{
  background:#fffdf0;border:1px solid var(--brass-light);border-radius:8px;
  padding:18px 20px;position:relative;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.5),0 1px 2px rgba(13,22,18,.04);
}
.lh-desk__lbl{
  font-family:var(--mono);font-size:10px;letter-spacing:.22em;text-transform:uppercase;
  color:var(--brass-deep);font-weight:700;margin-bottom:10px;
  display:inline-flex;align-items:center;gap:10px;
}
.lh-desk__lbl::before{content:"";width:18px;height:1.5px;background:var(--brass)}
.lh-desk textarea{
  width:100%;border:none;outline:none;background:transparent;resize:vertical;
  font-family:'Inter',system-ui,-apple-system,sans-serif;font-style:normal;
  font-size:15px;line-height:1.55;color:var(--ink);min-height:140px;
}
.lh-desk textarea::placeholder{color:var(--ink-mute);opacity:.6}
.lh-desk__foot{
  margin-top:14px;padding-top:12px;border-top:1px dashed var(--rule);
  display:flex;align-items:center;gap:12px;flex-wrap:wrap;
}
.lh-desk__hint{
  font-family:var(--mono);font-size:10px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--ink-mute);font-weight:500;
}

/* — italic preview block (read-only, mirrors the warm-note paper) — */
.lh-preview{
  margin-top:20px;padding:24px 26px;background:#fffdf0;
  border:1px solid rgba(184,150,91,.4);border-radius:3px;
  position:relative;
  box-shadow:0 1px 0 rgba(184,150,91,.12),0 12px 24px -16px rgba(13,22,18,.18);
}
.lh-preview__lbl{
  font-family:var(--mono);font-size:9.5px;letter-spacing:.28em;text-transform:uppercase;
  color:var(--brass-deep);font-weight:700;margin-bottom:12px;
  display:inline-flex;align-items:center;gap:10px;
}
.lh-preview__lbl::before{content:"";width:18px;height:1.5px;background:var(--brass)}
.lh-preview__body{
  font-family:var(--serif);font-style:italic;font-size:17px;line-height:1.72;
  color:var(--ink);white-space:pre-wrap;
}
.lh-preview__body:empty::before{
  content:"No draft yet. Save the seed text above and regenerate to draft from it.";
  color:var(--ink-mute);
}

/* ── Responsive: under 720px every ledger table collapses into a
   card-list. The <thead> hides; each <tr> becomes a stacked card with
   <td>::before labels carried in from data-label attrs. */
@media(max-width:720px){
  .lh-wrap{padding:0 18px}
  .lh-masthead{padding:28px 22px 22px}
  .lh-masthead h1{font-size:30px}
  .lh-kpis{grid-template-columns:repeat(2,1fr)}
  .lh-toolbar{padding:10px}
  .lh-ledger{border-radius:10px}
  .lh-ledger thead{display:none}
  .lh-ledger table,.lh-ledger tbody,.lh-ledger tr,.lh-ledger td{display:block;width:100%}
  .lh-ledger tbody tr{
    padding:16px 18px;border-bottom:1px solid var(--rule-soft);
    background:#fff;position:relative;
  }
  .lh-ledger tbody tr:hover{background:var(--cream-warm)}
  .lh-ledger tbody td{
    padding:6px 0;border:none;display:flex;align-items:center;
    justify-content:space-between;gap:12px;
  }
  .lh-ledger tbody td.num,.lh-ledger tbody td.letter{text-align:left;justify-content:space-between}
  .lh-ledger tbody td[data-label]::before{
    content:attr(data-label);
    font-family:var(--mono);font-size:9.5px;letter-spacing:.18em;text-transform:uppercase;
    color:var(--ink-mute);font-weight:600;
  }
  .lh-ledger tbody td.lh-scholar-cell{
    padding-bottom:12px;margin-bottom:6px;border-bottom:1px dashed var(--rule);
    display:flex;justify-content:flex-start;
  }
  .lh-ledger tbody td.lh-scholar-cell::before{display:none}
  .lh-ledger tbody td.lh-actions-cell{
    margin-top:8px;padding-top:10px;border-top:1px dashed var(--rule);
    justify-content:flex-end;
  }
  .lh-ledger tbody td.lh-actions-cell::before{display:none}
  .lh-row-actions{justify-content:flex-end;width:100%}
  .lh-sheet{padding:24px 20px 22px}
  .lh-sheet__hd h2{font-size:24px}
}

/* Override marker — discreet asterisk that flags a grade finalized via
   instructor review. Used on every admin surface that surfaces a
   per-student grade (dashboard roster, student-performance dossier).
   On student.html the same class is defined inline because that page
   does not extend base.html, but the cosmetic intent is identical. */
.override-mark{
  color:var(--brass-bright,#e8c275);
  font-weight:600;
  font-size:0.7em;
  vertical-align:super;
  line-height:0;
  margin-right:0.08em;
  user-select:none;
}
@media print{
  .override-mark{display:none !important}
}