/* B4P Diligence Portal — dual-brand theme (APT × Big 4).
   Deliberately NOT an Asana-like layout: no left product sidebar, checklist-as-cards.
   Palette tokens approximate the mock; swap hexes when June supplies exact brand values. */
:root {
  --apt-navy: #17324e;
  --apt-denim: #3f6c9d;
  --apt-cream: #f6f1e3;
  --b4-polynesian: #1f4e79;
  --b4-gold: #d9a521;
  --b4-raisin: #2a2140;
  --b4-frgray: #c9ced6;
  --ink: #212733;
  --ok: #2e7d4f;
  --warn: #b3541e;
  --card: #ffffff;
  --line: #e3ddcc;
  font-family: "Spline Sans", "Jost", "Avenir Next", "Helvetica Neue", sans-serif;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--apt-cream); color: var(--ink); }
a { color: var(--apt-denim); }
h1, h2, h3 { font-family: "Jost", "Futura", "Avenir Next", sans-serif; }
.muted { color: #6d7482; font-size: 0.85rem; }
.flash { background: var(--warn); color: #fff; padding: 8px 16px; }

/* header */
.topbar { display: flex; justify-content: space-between; align-items: center;
  background: linear-gradient(90deg, var(--apt-navy), var(--b4-polynesian));
  color: #fff; padding: 10px 22px; border-bottom: 3px solid var(--b4-gold); }
.brandline { display: flex; align-items: baseline; gap: 10px; }
.brand-a { font-weight: 700; letter-spacing: 0.02em; }
.brand-b { font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; }
.brand-x { color: var(--b4-gold); }
.apptitle { margin-left: 14px; padding-left: 14px; border-left: 1px solid rgba(255,255,255,0.35);
  font-weight: 300; }
.topbar a, .whoami { color: #fff; }
.whoami a { text-decoration: underline; }

/* login */
.login-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center;
  background: linear-gradient(160deg, var(--apt-navy) 0%, var(--b4-polynesian) 60%, var(--b4-raisin) 100%); }
.login-card { background: var(--card); border-radius: 10px; padding: 34px 38px; width: 400px;
  max-width: 92vw; border-top: 5px solid var(--b4-gold); }
.login-card .brandline { color: var(--apt-navy); }
.login-card h1 { margin: 8px 0 2px; }
.login-card label { display: block; margin-top: 14px; font-size: 0.9rem; font-weight: 600; }
.login-card input { width: 100%; padding: 9px 10px; margin-top: 5px; border: 1px solid var(--b4-frgray);
  border-radius: 6px; font-size: 1rem; }

/* deal header + progress */
.dealbar { display: flex; justify-content: space-between; align-items: flex-end; flex-wrap: wrap;
  gap: 12px; padding: 20px 26px 8px; }
.dealbar h1 { margin: 0; }
.progress { text-align: right; min-width: 220px; }
.progtext { font-weight: 600; color: var(--apt-navy); }
.bar { display: block; height: 8px; background: var(--b4-frgray); border-radius: 4px; margin-top: 6px; overflow: hidden; }
.bar .fill { display: block; height: 100%; background: var(--b4-gold); border-radius: 4px; }

.boardnav { display: flex; gap: 8px; padding: 8px 26px 0; flex-wrap: wrap; }
.boardnav a { text-decoration: none; background: var(--card); border: 1px solid var(--line);
  border-radius: 20px; padding: 6px 16px; color: var(--apt-navy); font-weight: 600; font-size: 0.9rem; }
.boardnav a:hover { border-color: var(--apt-denim); }

/* rooms list */
.rooms-list { max-width: 720px; margin: 30px auto; padding: 0 20px; }
.roomcard { display: block; background: var(--card); border: 1px solid var(--line); border-radius: 10px;
  padding: 16px 20px; margin-bottom: 12px; text-decoration: none; color: var(--ink); }
.roomcard:hover { border-color: var(--apt-denim); }
.roomname { font-weight: 700; font-size: 1.05rem; display: block; }
.roomprog { font-size: 0.85rem; color: #6d7482; }

/* checklist */
.room { padding: 10px 26px 60px; max-width: 1080px; margin: 0 auto; }
.board h2 { margin: 26px 0 6px; color: var(--apt-navy); }
.seccard { background: var(--card); border: 1px solid var(--line); border-radius: 10px;
  padding: 4px 18px 12px; margin: 12px 0; }
.seccard h3 { margin: 12px 0 4px; font-size: 0.95rem; text-transform: uppercase;
  letter-spacing: 0.06em; color: var(--b4-polynesian); display: inline-block; }
.seccard summary { cursor: pointer; list-style: none; display: flex; align-items: center;
  gap: 12px; padding: 4px 0; }
.seccard summary::-webkit-details-marker { display: none; }
.seccard summary::before { content: "▸"; color: var(--b4-gold); font-size: 0.9rem;
  transition: transform 0.15s; }
.seccard[open] summary::before { transform: rotate(90deg); }
.secbadge { margin-left: auto; background: var(--apt-navy); color: #fff; border-radius: 12px;
  padding: 2px 12px; font-size: 0.78rem; font-weight: 700; }
.secbadge.alldone { background: var(--ok); }
.item { border-top: 1px solid var(--line); padding: 12px 2px 10px; }
.item.done { opacity: 0.75; }
.itemmain { display: flex; justify-content: space-between; gap: 14px; flex-wrap: wrap; }
.itemname { font-weight: 600; max-width: 640px; }
.itemmeta { display: flex; gap: 10px; align-items: center; white-space: nowrap; }
.due { font-size: 0.82rem; color: var(--warn); font-weight: 600; }

.pill { display: inline-block; border-radius: 12px; padding: 3px 11px; font-size: 0.78rem;
  font-weight: 700; background: var(--b4-frgray); color: var(--ink); }
.pill.ok, .pill.st-reviewcomplete, .pill.st-reviewed { background: var(--ok); color: #fff; }
.pill.st-receivedunderreview, .pill.st-inprogress { background: var(--apt-denim); color: #fff; }
.pill.st-requestedmoreinfo { background: var(--warn); color: #fff; }

.files { margin: 8px 0 0; display: flex; flex-wrap: wrap; gap: 6px; }
.filechip { background: var(--apt-cream); border: 1px solid var(--line); border-radius: 6px;
  padding: 3px 10px; font-size: 0.82rem; text-decoration: none; }

.acts { display: flex; align-items: center; gap: 12px; margin-top: 10px; flex-wrap: wrap; }
.dropzone { flex: 1; min-width: 220px; border: 2px dashed var(--b4-frgray); border-radius: 8px;
  padding: 10px 14px; text-align: center; color: #6d7482; cursor: pointer; font-size: 0.88rem; }
.dropzone.hot { border-color: var(--b4-gold); background: #fdf6e4; color: var(--ink); }

.btn { border: 1px solid var(--apt-denim); background: var(--card); color: var(--apt-navy);
  border-radius: 7px; padding: 8px 16px; font-weight: 700; cursor: pointer; font-size: 0.9rem; }
.btn.primary { background: var(--apt-navy); color: #fff; border-color: var(--apt-navy); }
.btn.primary:hover:not(:disabled) { background: var(--b4-polynesian); }
.btn:disabled { opacity: 0.45; cursor: default; }
.btn.wide { width: 100%; margin-top: 20px; }

.thread { margin-top: 10px; }
.thread summary { cursor: pointer; font-size: 0.85rem; color: var(--apt-denim); }
.cmt { background: var(--apt-cream); border-radius: 8px; padding: 8px 12px; margin: 8px 0; font-size: 0.9rem; }
.cmt .who { font-weight: 700; }
.cmtform { display: flex; gap: 8px; margin-top: 8px; }
.cmtinput { flex: 1; padding: 8px 10px; border: 1px solid var(--b4-frgray); border-radius: 6px; }

.portalfoot { margin-top: 40px; border-top: 1px solid var(--line); padding-top: 14px; }

@media (max-width: 640px) {
  .topbar { flex-direction: column; gap: 6px; }
  .dealbar, .room, .boardnav { padding-left: 14px; padding-right: 14px; }
}