:root {
  --bg-from: #0f5b73;
  --bg-to: #1581a3;
  --card: #093442;
  --card-soft: #0c4252;
  --ink: #ffffff;
  --line: rgba(255, 255, 255, 0.16);
  --line-strong: rgba(255, 255, 255, 0.34);
  --muted: rgba(255, 255, 255, 0.72);
  --hot: #e8623a;
  --radius: 16px;
  --shadow: 0 18px 40px rgba(0, 20, 30, 0.35);
}
* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0; min-height: 100vh;
  background: linear-gradient(135deg, var(--bg-from), var(--bg-to)) fixed;
  color: var(--ink);
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  line-height: 1.6; -webkit-font-smoothing: antialiased;
}
h1, h2, h3, .brand {
  font-family: "Outfit", "Inter", sans-serif; font-weight: 600;
  letter-spacing: -0.01em; margin: 0 0 0.4em;
}
a { color: var(--ink); }
.wrap { max-width: 960px; margin: 0 auto; padding: 24px 20px 64px; }
.muted { color: var(--muted); }
.center { text-align: center; }
.spacer { flex: 1 1 auto; }
.stack > * + * { margin-top: 14px; }
.hint { color: var(--muted); font-size: 14px; }

/* nav */
.nav {
  display: flex; align-items: center; gap: 18px; margin-bottom: 26px;
  flex-wrap: wrap;
}
.brand { font-size: 21px; display: flex; align-items: center; gap: 10px; }
.brand .dot { width: 12px; height: 12px; border-radius: 50%; background: var(--ink);
  box-shadow: 0 0 0 4px rgba(255,255,255,.18); }
.navlink { color: var(--muted); text-decoration: none; font-size: 14px; font-weight: 500; }
.navlink:hover, .navlink.active { color: var(--ink); }
.bell { position: relative; text-decoration: none; }
.bell .count {
  position: absolute; top: -8px; right: -10px; background: var(--hot); color: #fff;
  font-size: 11px; min-width: 17px; height: 17px; border-radius: 9px; padding: 0 4px;
  display: grid; place-items: center; font-weight: 600;
}

/* cards */
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 22px; margin-bottom: 18px; }
.card h2 { font-size: 18px; }
.section-label { text-transform: uppercase; letter-spacing: .14em; font-size: 12px;
  color: var(--muted); margin-bottom: 12px; }

/* forms */
.field { margin-bottom: 16px; }
label { display: block; font-size: 14px; margin-bottom: 6px; }
input, textarea, select {
  width: 100%; background: rgba(255,255,255,.07); color: var(--ink);
  border: 1px solid var(--line-strong); border-radius: 10px; padding: 11px 13px;
  font-size: 15px; font-family: inherit;
}
textarea { min-height: 110px; resize: vertical; }
input:focus, textarea:focus, select:focus {
  outline: none; border-color: #fff; background: rgba(255,255,255,.12);
  box-shadow: 0 0 0 3px rgba(255,255,255,.16);
}
select option { color: #0b2730; }
.row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 560px){ .row { grid-template-columns: 1fr; } }

/* buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  background: var(--card); color: var(--ink); border: 1px solid var(--line-strong);
  border-radius: 10px; padding: 10px 16px; font-size: 15px; font-weight: 500;
  font-family: inherit; cursor: pointer; text-decoration: none; transition: background .15s, border-color .15s; }
.btn:hover { background: var(--card-soft); border-color: #fff; }
.btn-primary { border-color: #fff; box-shadow: 0 0 0 1px rgba(255,255,255,.25) inset; font-weight: 600; }
.btn-sm { padding: 7px 12px; font-size: 13px; }
.btn-ghost { background: transparent; }
.btn-hot { border-color: rgba(232,98,58,.7); }
.btn-danger { border-color: rgba(255,150,150,.5); }
.inline-form { display: inline; }
.toolbar { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }

/* badges */
.badge { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; font-weight: 500;
  padding: 3px 10px; border-radius: 999px; border: 1px solid var(--line-strong); }
.badge.hot { background: rgba(232,98,58,.32); border-color: rgba(255,150,120,.6); }
.badge.overdue { background: rgba(200,40,40,.4); border-color: rgba(255,140,140,.7); }
.badge.owner { background: rgba(255,255,255,.1); }

/* project + post cards */
.grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 620px){ .grid { grid-template-columns: 1fr; } }
.tile { display: block; background: var(--card); border: 1px solid var(--line);
  border-radius: 14px; padding: 18px; text-decoration: none; color: var(--ink);
  transition: border-color .15s; }
.tile:hover { border-color: #fff; }
.tile .name { font-family: "Outfit", sans-serif; font-weight: 600; font-size: 17px; }
.tile .meta { color: var(--muted); font-size: 13px; margin-top: 6px; }

.post-row { display: block; border: 1px solid var(--line); border-radius: 13px;
  background: var(--card); padding: 16px; margin-bottom: 12px; text-decoration: none;
  color: var(--ink); transition: border-color .15s; }
.post-row:hover { border-color: #fff; }
.post-row.hot { border-left: 3px solid var(--hot); }
.post-row .title { font-weight: 600; }
.post-row .sum { color: var(--muted); font-size: 14px; margin-top: 3px; }
.post-row .meta { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 9px; font-size: 12px; }

/* post detail */
.body-text { white-space: pre-wrap; line-height: 1.7; }
.comment { border: 1px solid var(--line); border-radius: 12px; padding: 13px;
  margin-bottom: 10px; background: rgba(255,255,255,.04); }
.comment .who { font-weight: 600; font-size: 14px; }
.comment .when { color: var(--muted); font-size: 12px; }
.filelist { list-style: none; padding: 0; margin: 10px 0 0; }
.filelist li { display: flex; justify-content: space-between; gap: 10px; font-size: 14px;
  padding: 7px 0; border-top: 1px solid var(--line); }
.ai-card { background: var(--card-soft); }
.briefing { white-space: pre-wrap; line-height: 1.7; margin-top: 10px; }
.chips { display: flex; gap: 8px; flex-wrap: wrap; }

/* member management */
.memrow { display: flex; align-items: center; gap: 12px; padding: 10px 0;
  border-top: 1px solid var(--line); }
.memrow:first-child { border-top: none; }
.avatar { width: 34px; height: 34px; border-radius: 50%; background: var(--card-soft);
  display: grid; place-items: center; font-size: 13px; font-weight: 600; flex: 0 0 auto;
  border: 1px solid var(--line-strong); }

/* filter bar */
.filters { display: flex; gap: 10px; flex-wrap: wrap; align-items: flex-end; }
.filters .field { margin: 0; }
.filters select, .filters input { min-width: 140px; }

/* flash */
.flash { border-radius: 10px; padding: 11px 15px; margin-bottom: 14px; font-size: 14px;
  border: 1px solid var(--line-strong); background: rgba(255,255,255,.08); }
.flash.error { border-color: rgba(255,150,150,.6); background: rgba(120,25,25,.3); }

/* checkbox list for mentions */
.checklist { display: flex; flex-wrap: wrap; gap: 8px; }
.checklist label { display: inline-flex; align-items: center; gap: 7px; margin: 0;
  background: rgba(255,255,255,.06); border: 1px solid var(--line-strong); border-radius: 999px;
  padding: 6px 12px; cursor: pointer; font-size: 14px; }
.checklist input { width: auto; }