/* Schola Latina — house design system.
   DNA cloned from the Ops Command Center (ops.css): navy + gold + parchment,
   serif chrome, rounded gold-hairline cards, persistent navy rail.
   Lesson pages adopt the Virtue LMS "illuminated" treatment. */

:root {
  /* chrome (Ops Dashboard) */
  --navy:       #1A2F4B;
  --navy-2:     #0F2540;
  --navy-3:     #243B5E;
  --gold:       #E6C04C;
  --gold-2:     #F4DA92;
  --gold-deep:  #B98E2E;
  --gold-text:  #6B5600;   /* WCAG-safe gold on light */
  --cream:      #FAF7F0;
  --paper:      #FFFFFF;
  --line:       #E8E2D7;
  --line-2:     #D6CEBC;

  /* lesson (LMS illuminated) */
  --vellum:     #F9F0D5;
  --vellum-2:   #F4E8CC;
  --frame-bg:   #FFFDF5;
  --ink-warm:   #2A1A0D;
  --rubric:     #8B1A1A;

  /* parchment rail (warm ivory margin + navy & burgundy highlights) */
  --burgundy:      #6B1F1F;
  --burgundy-2:    #8B1A1A;
  --burgundy-soft: rgba(107,31,31,.10);
  --parch-1:       #FBF7EC;
  --parch-2:       #F3EAD6;

  --ink:   #14181F;
  --ink-2: #3A3F49;
  --ink-3: #6B7280;
  --ok:    #16A34A;
  --warn:  #D97706;
  --bad:   #DC2626;
  --info:  #0EA5E9;

  --rad:    14px;
  --rad-sm: 10px;
  --sidebar-w: 272px;
  --shadow-1: 0 1px 0 rgba(20,24,31,.04), 0 2px 8px rgba(20,24,31,.05);
  --shadow-2: 0 2px 4px rgba(20,24,31,.06), 0 8px 24px rgba(20,24,31,.10);

  --f-display: "Fraunces", Georgia, "Times New Roman", serif;
  --f-body:    Georgia, "Times New Roman", serif;
  --f-chrome:  "Palatino Linotype", Palatino, Georgia, serif;
  --f-ui:      Inter, -apple-system, system-ui, "Segoe UI", sans-serif;
  --f-mono:    "SF Mono", ui-monospace, Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font: 18px/1.65 var(--f-body);
  color: var(--ink);
  background: var(--cream);
  -webkit-font-smoothing: antialiased;
}
a { color: var(--navy); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; }

/* ---------- App shell: navy rail + main ---------- */
.app { display: grid; grid-template-columns: var(--sidebar-w) 1fr; min-height: 100vh; }

/* Parchment margin — warm ivory rail, navy ink, gold accents, navy+burgundy highlights.
   (Illuminated-manuscript margin: gold hairline runs down the inner edge.) */
.rail {
  background: linear-gradient(180deg, var(--parch-1) 0%, var(--parch-2) 100%);
  color: var(--navy);
  position: sticky; top: 0; height: 100vh; overflow-y: auto;
  display: flex; flex-direction: column;
  border-right: 1px solid var(--line-2);
  box-shadow: inset -3px 0 0 rgba(185,142,46,.32);
}
.rail-brand {
  padding: 22px 22px 16px; font: 700 24px/1 var(--f-display);
  color: var(--navy); letter-spacing: .01em; border-bottom: 1px solid var(--line-2);
}
.rail-brand .accent { color: var(--gold-text); }
.rail-brand .sub { display:block; margin-top:6px; font: 600 11px/1 var(--f-ui);
  letter-spacing:.18em; text-transform:uppercase; color: var(--burgundy); opacity:.9; }

.rail-profile {
  display:flex; align-items:center; gap:12px; padding:16px 22px;
  border-bottom: 1px solid var(--line-2);
}
.rail-avatar {
  width:46px; height:46px; border-radius:50%; flex:none;
  background: conic-gradient(from 210deg, var(--gold-deep), var(--gold-2), var(--gold-deep));
  display:grid; place-items:center; color: var(--navy-2); font:700 17px/1 var(--f-display);
  box-shadow: inset 0 0 0 2px rgba(255,255,255,.5), 0 0 0 1.5px rgba(107,31,31,.55);
}
.rail-profile .who { font: 700 14px/1.3 var(--f-ui); color: var(--navy); }
.rail-profile .meta { font: 12px/1.4 var(--f-ui); color: var(--ink-2); }
.rail-profile .flame { color: var(--gold-deep); }

.rail-group { padding: 14px 12px 4px; }
.rail-label { padding: 0 10px 8px; font: 700 10.5px/1 var(--f-ui);
  letter-spacing:.16em; text-transform:uppercase; color: var(--burgundy); opacity:.85; }
.rail-link {
  display:flex; align-items:center; gap:12px; padding:9px 10px; margin:2px 0;
  border-radius: var(--rad-sm); color: var(--navy); font: 600 14.5px/1 var(--f-ui);
  border-left: 3px solid transparent;
}
.rail-link:hover { background: var(--burgundy-soft); text-decoration:none; color: var(--burgundy); }
.rail-link:hover .rail-ic { color: var(--burgundy); border-color: rgba(107,31,31,.30); }
.rail-link.active {
  background: var(--navy); color:#fff; border-left-color: var(--gold);
}
.rail-link.active .rail-ic { color: var(--gold-2); border-color: rgba(230,192,76,.5);
  background: linear-gradient(180deg, rgba(255,255,255,.10), rgba(255,255,255,.02)); }
.rail-ic {
  width:34px; height:34px; flex:none; border-radius:9px;
  background: linear-gradient(180deg, #FFFFFF, #FBF4E2);
  border:1px solid var(--line-2); display:grid; place-items:center; color: var(--navy);
  box-shadow: var(--shadow-1);
}
.rail-ic svg { width:18px; height:18px; }
.rail-name { flex:1; }
.rail-pill {
  font:700 11px/1 var(--f-ui); padding:3px 8px; border-radius:999px;
  background: var(--gold); color: var(--navy-2);
}
.rail-pill.warn { background: var(--warn); color:#fff; }
.rail-pill.bad  { background: var(--bad); color:#fff; }
.rail-bottom { margin-top:auto; padding:12px; border-top:1px solid var(--line-2); }
/* logout is a <button> — strip the native macOS bezel so it matches the rail links */
button.rail-link { appearance:none; -webkit-appearance:none; background:transparent; border:0;
  font:inherit; width:100%; text-align:left; cursor:pointer; border-left:3px solid transparent; }
.rail-link.danger { color: var(--burgundy); }
.rail-link.danger .rail-ic { color: var(--burgundy); border-color: rgba(107,31,31,.25); }
.rail-link.danger:hover { background: rgba(107,31,31,.12); color: var(--burgundy-2); }
.rail-link.danger:hover .rail-ic { color: var(--burgundy-2); border-color: rgba(139,26,26,.40); }

/* ---------- Main column ---------- */
.main { min-width:0; }
.wrap { max-width: 980px; margin: 0 auto; padding: 34px 28px 80px; }

/* mobile chrome (hidden on desktop) */
.topbar, .bottom-nav, .drawer, .scrim { display:none; }

/* ---------- Masthead / page headers ---------- */
.masthead { text-align:center; margin: 4px 0 30px; }
.masthead .eyebrow {
  font: 700 12px/1 var(--f-ui); letter-spacing:.2em; text-transform:uppercase;
  color: var(--gold-text);
}
.masthead .eyebrow::before, .masthead .eyebrow::after { content:"❦"; color: var(--gold-deep); margin:0 .6em; }
.masthead h1 {
  margin:.28em 0 .12em; font: 600 40px/1.1 var(--f-display); color: var(--navy);
  letter-spacing:-.01em; text-wrap: balance;
}
.masthead .dateline {
  display:inline-block; margin-top:8px; padding-top:8px; font: 14px/1 var(--f-ui); color: var(--ink-3);
  border-top: 2px solid var(--gold); }

.section-title {
  margin: 30px 0 14px; font: 600 22px/1.2 var(--f-display); color: var(--navy);
  padding-bottom: 8px; border-bottom: 3px double var(--gold);
}
.section-title::before { content:"❦"; color: var(--gold-deep); margin-right:.5em; }

/* ---------- Cards / grids ---------- */
.card {
  background: var(--paper); border:1px solid var(--line); border-radius: var(--rad);
  padding: 20px; box-shadow: var(--shadow-1); margin-bottom: 18px;
}
.card.center { text-align:center; }
.card-head { display:flex; align-items:baseline; justify-content:space-between; gap:12px; margin-bottom:10px; }
.card-head h2 { margin:0; font: 600 18px/1.2 var(--f-display); color: var(--navy); }
.card .meta { font:13px/1 var(--f-ui); color: var(--ink-3); }
.grid-2 { display:grid; grid-template-columns: 1fr 1fr; gap:16px; }
.grid-3 { display:grid; grid-template-columns: repeat(3,1fr); gap:16px; }

/* ---------- Buttons ---------- */
.btn {
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  padding:10px 16px; min-height:42px; border-radius:9px; cursor:pointer;
  font: 700 14.5px/1 var(--f-ui); border:1px solid var(--line-2); background:var(--paper); color:var(--navy);
}
.btn:hover { text-decoration:none; border-color: var(--gold-deep); }
.btn.primary { background: var(--navy); color:#fff; border-color: var(--navy); }
.btn.gold { background: linear-gradient(180deg, var(--gold-2), var(--gold)); color: var(--navy-2); border-color: var(--gold-deep); font-weight:800; }
.btn.ghost { background: transparent; }
.btn.ok  { background: var(--ok);  color:#fff; border-color: var(--ok); }
.btn.bad { background: var(--bad); color:#fff; border-color: var(--bad); }
.btn.big { padding:14px 24px; min-height:52px; font-size:16px; border-radius:11px; }
.btn:disabled, .btn.disabled { opacity:.45; cursor:not-allowed; }

/* ---------- Pills ---------- */
.pill {
  display:inline-flex; align-items:center; gap:6px; padding:3px 10px; border-radius:6px;
  font: 700 10.5px/1 var(--f-ui); letter-spacing:.07em; text-transform:uppercase;
  background:#EEF1F5; color: var(--ink-2);
}
.pill::before { content:""; width:6px; height:6px; border-radius:50%; background: currentColor; }
.pill.ok   { background:#EAF7EF; color:#15803D; }
.pill.info { background:#E7F5FC; color:#0369A1; }
.pill.warn { background:#FFF6E6; color:#B45309; }
.pill.bad  { background:#FCEBEB; color:#B91C1C; }
.pill.gold { background:#FBF1D2; color: var(--gold-text); }
.pill.muted{ background:#F0F0F2; color: var(--ink-3); }

/* ---------- Tables ---------- */
.table-wrap { overflow-x:auto; border:1px solid var(--line); border-radius: var(--rad); }
table.t { width:100%; border-collapse:collapse; background:var(--paper); }
table.t th, table.t td { padding:11px 14px; text-align:left; border-bottom:1px solid var(--line); }
table.t th { font: 700 11px/1 var(--f-ui); letter-spacing:.06em; text-transform:uppercase; color: var(--ink-3); background:#FBFAF6; }
table.t tr:last-child td { border-bottom:0; }

/* ---------- Stat strip (dashboard) ---------- */
.stat-strip { display:grid; grid-template-columns: repeat(4,1fr); gap:14px; margin-bottom:22px; }
.stat { background:var(--paper); border:1px solid var(--line); border-radius:var(--rad); padding:16px; box-shadow:var(--shadow-1); }
.stat .n { font: 700 30px/1 var(--f-display); color: var(--navy); }
.stat .k { margin-top:6px; font: 700 11px/1 var(--f-ui); letter-spacing:.08em; text-transform:uppercase; color: var(--ink-3); }
.stat .flame { color: var(--gold-deep); }

/* progress bar */
.prog { height:10px; background:#ECE6D9; border-radius:999px; overflow:hidden; border:1px solid var(--line-2); }
.prog > i { display:block; height:100%; width:0; background: linear-gradient(90deg, var(--gold), var(--gold-deep)); }

/* ---------- Course map ---------- */
.phase { margin-bottom: 22px; }
.phase > summary {
  cursor:pointer; list-style:none; padding:14px 18px; border-radius: var(--rad);
  background: var(--navy); color:#fff; font: 600 18px/1.2 var(--f-display);
  display:flex; align-items:center; justify-content:space-between;
}
.phase > summary::-webkit-details-marker { display:none; }
.phase > summary .chev { transition: transform .2s; color: var(--gold-2); }
.phase[open] > summary .chev { transform: rotate(90deg); }
.week-h { margin:18px 0 10px; font:700 12px/1 var(--f-ui); letter-spacing:.12em; text-transform:uppercase; color: var(--gold-text); }
.day-row {
  display:flex; align-items:center; gap:14px; padding:14px 16px; margin:8px 0;
  background:var(--paper); border:1px solid var(--line); border-radius: var(--rad); box-shadow: var(--shadow-1);
  border-left: 4px solid transparent; color: inherit;
}
a.day-row { text-decoration:none; }
a.day-row:hover { border-color: var(--line-2); box-shadow: var(--shadow-2); text-decoration:none; }
.day-row.is-current { border-left-color: var(--gold); }
.day-row .dnum {
  width:44px; height:44px; flex:none; border-radius:11px; display:grid; place-items:center;
  background: var(--cream); border:1px solid var(--line-2); color: var(--navy);
  font:700 16px/1 var(--f-display);
}
.day-row .dtitle { flex:1; min-width:0; }
.day-row .dtitle b { font: 600 17px/1.3 var(--f-body); color: var(--navy); }
.day-row .dtitle small { display:block; color: var(--ink-3); font: 13px/1.4 var(--f-ui); }
.day-row a.stretch { color: inherit; }
.lockico { color: var(--ink-3); }

/* ---------- Lesson page (illuminated) ---------- */
.lesson { display:grid; grid-template-columns: 220px 1fr; gap:30px; align-items:start; }
.toc { position:sticky; top:24px; }
.toc ul { list-style:none; margin:0; padding:14px; background:var(--paper); border:1px solid var(--line); border-radius:var(--rad); }
.toc li { margin:2px 0; }
.toc a { display:block; padding:7px 10px; border-radius:8px; font: 600 13.5px/1.3 var(--f-ui); color: var(--ink-2); }
.toc a:hover { background: var(--cream); text-decoration:none; color: var(--navy); }
.illuminated-frame {
  background: var(--frame-bg); border:1px solid var(--vellum-2);
  border-radius: var(--rad); padding: 8px;
  box-shadow: var(--shadow-1);
}
.page-banner {
  background: linear-gradient(180deg, var(--vellum), var(--vellum-2));
  border-radius: var(--rad-sm); padding: 26px 28px; text-align:center; border:1px solid var(--vellum-2);
}
.page-banner .ph { font:700 11px/1 var(--f-ui); letter-spacing:.18em; text-transform:uppercase; color: var(--gold-text); }
.page-banner h1 { margin:.3em 0 .1em; font: 600 34px/1.12 var(--f-display); color: var(--navy); text-wrap:balance; }
.page-banner h1::first-letter { color: var(--rubric); }
.lesson-body { padding: 22px 26px; }
.lesson-body h3 { font: 600 19px/1.2 var(--f-display); color: var(--navy); margin: 26px 0 10px; scroll-margin-top: 20px; }
.lesson-body h3:first-child { margin-top: 6px; }
.lesson-body p { margin: 0 0 12px; }
.win { background: #EAF7EF; border-left:4px solid var(--ok); padding:12px 16px; border-radius:8px; font-style:italic; }
.anchor {
  background:#fff; border:1px solid var(--vellum-2); border-left:4px solid var(--gold);
  padding:16px 18px; border-radius:8px; margin:14px 0;
}
.anchor .la { font-style:italic; font-size:20px; color: var(--ink-warm); }
.anchor .en { color: var(--ink-2); margin-top:6px; }
.anchor .src { font:700 12px/1 var(--f-ui); letter-spacing:.04em; color: var(--gold-text); margin-top:8px; }
.anchor .note { margin-top:10px; font-size:15px; color: var(--ink-3); }

/* reveal (practice / warm-up answers never beside prompts) */
.qa { margin:10px 0; }
.qa .q { margin-bottom:6px; }
.qa .reveal { font:700 13px/1 var(--f-ui); color: var(--gold-text); cursor:pointer; background:none; border:0; padding:6px 0; }
.qa .a { display:none; margin-top:8px; padding:12px 14px; background: var(--cream); border-left:3px solid var(--gold); border-radius:6px; }
.qa.open .a { display:block; }

/* ---------- Quiz ---------- */
.quiz-head { background: linear-gradient(180deg, var(--vellum), var(--vellum-2)); border:1px solid var(--vellum-2);
  border-radius: var(--rad); padding:18px 22px; margin-bottom:18px; }
.quiz-head h1 { margin:0; font:600 26px/1.15 var(--f-display); color: var(--navy); }
.quiz-head .meta { font:13px/1 var(--f-ui); color: var(--ink-3); margin-top:6px; }
.qbar { height:8px; background:#ECE6D9; border-radius:999px; overflow:hidden; margin-top:12px; }
.qbar > i { display:block; height:100%; width:0; background: linear-gradient(90deg, var(--gold), var(--gold-deep)); transition: width .3s; }
.qcard { background:var(--paper); border:1px solid var(--line); border-radius:var(--rad); padding:24px; box-shadow:var(--shadow-1); }
.qtag { font:700 11px/1 var(--f-ui); letter-spacing:.1em; text-transform:uppercase; color: var(--gold-text); }
.qprompt { font:400 23px/1.45 var(--f-body); color: var(--navy); margin:12px 0 18px; }
.qans { background: var(--cream); border-left:4px solid var(--gold); padding:14px 16px; border-radius:8px; margin-bottom:16px; }
.qans h4 { margin:0 0 6px; font:700 11px/1 var(--f-ui); letter-spacing:.08em; text-transform:uppercase; color: var(--gold-text); }
.refresher { background: var(--vellum); border:1px solid var(--vellum-2); padding:16px 18px; border-radius:8px; margin-bottom:16px; }
.refresher h4 { margin:.4em 0 .2em; color: var(--navy); font-family: var(--f-display); }
.qdone { text-align:center; padding:36px 16px; }
.qdone .big { font:600 30px/1.1 var(--f-display); color: var(--ok); margin:0 0 8px; }
.qdone .streak { font:18px/1 var(--f-ui); color: var(--gold-text); }
.hidden { display:none !important; }

/* ---------- Login (standalone) ---------- */
.login-wrap { min-height:100vh; display:grid; place-items:center; padding:24px;
  background: radial-gradient(1200px 600px at 50% -10%, #21385a, var(--navy) 60%); }
.login-card { width:100%; max-width:400px; background:var(--paper); border-radius:16px; padding:32px;
  box-shadow: 0 24px 60px rgba(0,0,0,.35); border-top:4px solid var(--gold); }
.login-card .brand { text-align:center; font: 700 28px/1 var(--f-display); color: var(--navy); }
.login-card .brand .accent { color: var(--gold-deep); }
.login-card .tag { text-align:center; color: var(--ink-3); font:13px/1.4 var(--f-ui); margin:8px 0 22px;
  letter-spacing:.04em; }
.field { margin-bottom:14px; }
.field label { display:block; font:700 12px/1 var(--f-ui); letter-spacing:.05em; text-transform:uppercase; color: var(--ink-2); margin-bottom:6px; }
.field input { width:100%; padding:12px 14px; font:16px/1.2 var(--f-ui); border:1px solid var(--line-2); border-radius:10px; }
.field input:focus { outline:none; border-color: var(--gold-deep); box-shadow:0 0 0 3px rgba(230,192,76,.25); }
.login-err { background:#FCEBEB; color:#B91C1C; padding:10px 14px; border-radius:8px; font:14px/1.4 var(--f-ui); margin-bottom:14px; }

/* ---------- Mobile (≤1023): collapse rail to topbar + drawer + bottom nav ---------- */
@media (max-width: 1023px) {
  .app { grid-template-columns: 1fr; }
  .rail { display:none; }
  .topbar {
    display:flex; align-items:center; justify-content:space-between; gap:12px;
    position:sticky; top:0; z-index:30; padding:12px 16px;
    background: var(--navy); color:#fff; border-bottom:2px solid var(--gold);
  }
  .topbar .tb-brand { font:700 19px/1 var(--f-display); }
  .topbar .tb-brand .accent { color: var(--gold); }
  .topbar .hamb { width:42px; height:42px; border-radius:10px; border:1px solid rgba(255,255,255,.2);
    background:rgba(255,255,255,.06); color:#fff; display:grid; place-items:center; cursor:pointer; }
  .topbar .hamb svg { width:22px; height:22px; }
  .drawer {
    display:flex; flex-direction:column; position:fixed; top:0; right:0; height:100vh; width:280px; z-index:50;
    background: linear-gradient(180deg, var(--parch-1), var(--parch-2)); color: var(--navy);
    box-shadow: inset 3px 0 0 rgba(185,142,46,.32), -10px 0 30px rgba(15,37,64,.22);
    transform: translateX(100%); transition: transform .25s ease; overflow-y:auto;
  }
  .drawer.open { transform: translateX(0); }
  .scrim { display:block; position:fixed; inset:0; background:rgba(10,18,30,.5); z-index:40; opacity:0; pointer-events:none; transition:opacity .2s; }
  .scrim.open { opacity:1; pointer-events:auto; }
  .wrap { padding: 22px 16px 96px; }
  .stat-strip { grid-template-columns: 1fr 1fr; }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .lesson { grid-template-columns: 1fr; }
  .toc { position:static; }
  .toc ul { display:flex; gap:8px; overflow-x:auto; }
  .toc li { flex:none; }
  .page-banner h1 { font-size: 27px; }
  .masthead h1 { font-size: 30px; }
  .bottom-nav {
    display:flex; position:fixed; bottom:0; left:0; right:0; z-index:30;
    background: rgba(255,255,255,.96); backdrop-filter: blur(8px); border-top:1px solid var(--line-2);
  }
  .bottom-nav a {
    flex:1; min-height:58px; display:flex; flex-direction:column; align-items:center; justify-content:center; gap:3px;
    font:600 10.5px/1 var(--f-ui); color: var(--ink-3);
  }
  .bottom-nav a svg { width:22px; height:22px; }
  .bottom-nav a.active { color: var(--navy); }
  .bottom-nav a.active svg { color: var(--gold-deep); }
}

@media (max-width: 380px) {
  body { font-size: 17px; }
  .wrap { padding: 18px 13px 96px; }
  .qprompt { font-size: 20px; }
}