/* CG6 Command — shared styles
   Brand: navy family + gold. Never pure black. */
:root {
  --navy-900: #081226;
  --navy-800: #0D1E3D;
  --navy-700: #13284F;
  --navy-600: #1B3767;
  --gold:     #AF8D2E;
  --gold-lt:  #D4B155;
  --cream:    #F6F1E4;
  --paper:    #FFFFFF;
  --ink:      #16202E;
  --muted:    #5C6B80;
  --line:     #E2E6ED;
  --ok:       #1F7A4D;
  --warn:     #A8601B;
  --radius:   10px;
  --shadow:   0 1px 3px rgba(8,18,38,.08), 0 6px 20px rgba(8,18,38,.06);
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: #F4F6F9;
  line-height: 1.55;
}
a { color: var(--navy-700); }

/* ---------- top bar ---------- */
.topbar {
  background: var(--navy-900);
  color: var(--cream);
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 28px;
  height: 62px;
  position: sticky; top: 0; z-index: 50;
}
.brand { display: flex; align-items: baseline; gap: 9px; font-weight: 700; font-size: 19px; letter-spacing: .2px; }
.brand .c6 { color: var(--gold); }
.brand .sub { color: var(--cream); }
.nav { display: flex; gap: 4px; margin-left: 10px; flex-wrap: wrap; }
.nav a {
  color: #C7D2E2; text-decoration: none; padding: 8px 14px;
  border-radius: 7px; font-size: 14.5px; font-weight: 500;
}
.nav a:hover { background: var(--navy-700); color: #fff; }
.nav a.active { background: var(--gold); color: var(--navy-900); font-weight: 600; }
.topbar .right { margin-left: auto; display: flex; align-items: center; gap: 12px; font-size: 13.5px; color: #9FB0C7; }

/* ---------- layout ---------- */
.wrap { max-width: 1180px; margin: 0 auto; padding: 28px 24px 70px; }
.page-head { margin-bottom: 22px; }
.page-head h1 { margin: 0 0 5px; font-size: 27px; letter-spacing: -.3px; }
.page-head p { margin: 0; color: var(--muted); font-size: 15px; }

/* ---------- cards ---------- */
.card {
  background: var(--paper); border: 1px solid var(--line);
  border-radius: var(--radius); box-shadow: var(--shadow);
}
.card-pad { padding: 20px 22px; }
.grid { display: grid; gap: 18px; }
.grid.stats { grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); }
.grid.cols3 { grid-template-columns: repeat(auto-fill, minmax(290px, 1fr)); }

.stat { padding: 18px 20px; }
.stat .n { font-size: 32px; font-weight: 700; color: var(--navy-800); line-height: 1.1; }
.stat .l { font-size: 13px; color: var(--muted); text-transform: uppercase; letter-spacing: .6px; margin-top: 5px; }
.stat .hint { font-size: 12.5px; color: var(--muted); margin-top: 8px; }

/* ---------- tables ---------- */
table { width: 100%; border-collapse: collapse; font-size: 14.5px; }
th {
  text-align: left; padding: 11px 14px; background: #F7F9FC;
  border-bottom: 1px solid var(--line); font-size: 12.5px;
  text-transform: uppercase; letter-spacing: .5px; color: var(--muted); font-weight: 600;
}
td { padding: 12px 14px; border-bottom: 1px solid #EEF1F6; vertical-align: top; }
tr:last-child td { border-bottom: none; }
tr:hover td { background: #FAFBFD; }
.table-scroll { overflow-x: auto; }

/* ---------- bits ---------- */
.tag {
  display: inline-block; padding: 2.5px 9px; border-radius: 20px;
  background: #EEF2F8; color: var(--navy-700); font-size: 12px;
  font-weight: 600; margin: 2px 4px 2px 0;
}
.tag.gold { background: #FBF3DF; color: #7A6018; }
.tag.ok { background: #E6F4EC; color: var(--ok); }
.btn {
  display: inline-block; padding: 9px 17px; border-radius: 8px;
  background: var(--navy-800); color: #fff; text-decoration: none;
  font-size: 14px; font-weight: 600; border: none; cursor: pointer;
}
.btn:hover { background: var(--navy-700); }
.btn.gold { background: var(--gold); color: var(--navy-900); }
.btn.gold:hover { background: var(--gold-lt); }
.btn.ghost { background: transparent; color: var(--navy-700); border: 1px solid var(--line); }
.search {
  width: 100%; padding: 11px 14px; border: 1px solid var(--line);
  border-radius: 8px; font-size: 14.5px; font-family: inherit;
}
.search:focus { outline: 2px solid var(--gold-lt); outline-offset: -1px; border-color: var(--gold); }
.muted { color: var(--muted); }
.small { font-size: 13px; }

/* course cards */
.course {
  background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; box-shadow: var(--shadow); display: flex; flex-direction: column;
}
.course .top {
  background: linear-gradient(135deg, var(--navy-800), var(--navy-600));
  color: var(--cream); padding: 22px 20px; min-height: 96px;
  display: flex; align-items: center; justify-content: center; text-align: center;
}
.course .top .k { font-size: 21px; font-weight: 700; color: var(--gold); letter-spacing: 1px; }
.course .body { padding: 16px 18px 18px; flex: 1; display: flex; flex-direction: column; }
.course h3 { margin: 0 0 6px; font-size: 16.5px; line-height: 1.3; }
.course .meta { font-size: 13px; color: var(--muted); margin-bottom: 10px; }
.course ul { margin: 8px 0 0; padding-left: 18px; font-size: 13.5px; color: #3D4C60; }
.course ul li { margin-bottom: 3px; }

/* thread archive */
.thread { border-bottom: 1px solid var(--line); padding: 14px 0; }
.thread:last-child { border-bottom: none; }
.thread h4 { margin: 0 0 3px; font-size: 15.5px; }
.thread .msg {
  background: #F7F9FC; border-left: 3px solid var(--gold);
  padding: 9px 12px; margin: 7px 0; border-radius: 0 7px 7px 0;
  font-size: 13.5px; color: #34425A; white-space: pre-wrap; word-break: break-word;
}
.notice {
  background: #FBF3DF; border: 1px solid #E8D9A8; color: #6B5414;
  padding: 13px 16px; border-radius: 9px; font-size: 14px; margin-bottom: 20px;
}
footer { color: var(--muted); font-size: 13px; text-align: center; padding: 26px 0 10px; }
@media (max-width: 720px) {
  .topbar { height: auto; padding: 12px 16px; flex-wrap: wrap; gap: 10px; }
  .nav { margin-left: 0; }
  .wrap { padding: 20px 16px 50px; }
}

/* client portal — lesson bodies open in place under their title */
.lesson-body {
  background: #F7F9FC; border-left: 3px solid var(--gold);
  padding: 10px 13px; margin: 7px 0 12px; border-radius: 0 7px 7px 0;
  color: #34425A; line-height: 1.55; word-break: break-word;
}
.wrap ul li { margin-bottom: 5px; }
.wrap ul li a { color: var(--navy-700); text-decoration: none; border-bottom: 1px dotted #9FB0C9; }
.wrap ul li a:hover { border-bottom-style: solid; }