:root {
  --brand-blue: #00338d;
  --brand-blue-2: #0d4aa8;
  --brand-navy: #0b1f45;
  --brand-cyan: #6ac8ff;
  --brand-gold: #b29a5f;
  --bg: #eef3fb;
  --panel: rgba(255, 255, 255, 0.68);
  --panel-strong: rgba(255, 255, 255, 0.88);
  --text: #10253f;
  --muted: #4b5f7f;
  --line: rgba(145, 170, 210, 0.45);
  --success-bg: #d9f5e4;
  --success-tx: #0f6a37;
  --warn-bg: #fff4d8;
  --warn-tx: #7c5a00;
  --danger-bg: #ffe3e7;
  --danger-tx: #9a1430;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 12px 28px rgba(14, 33, 72, 0.12);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }

body {
  font-family: Inter, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--text);
  background:
    radial-gradient(1200px 500px at 15% -10%, rgba(106, 200, 255, 0.15), transparent 60%),
    radial-gradient(1100px 550px at 100% 10%, rgba(0, 51, 141, 0.14), transparent 60%),
    var(--bg);
  min-height: 100vh;
  line-height: 1.45;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background: url('/public/img/airborne-logo.png') center/46vmin no-repeat;
  opacity: 0.12;
  pointer-events: none;
  z-index: 0;
}

a { color: var(--brand-blue); }
a:hover { color: #174fa8; }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.sr-only:focus {
  clip: auto;
  width: auto;
  height: auto;
  margin: .5rem;
  padding: .5rem .7rem;
  background: #fff;
  border-radius: 8px;
  z-index: 30;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(12px);
  background: linear-gradient(100deg, rgba(11,31,69,.93), rgba(0,51,141,.85));
  color: #fff;
  border-bottom: 1px solid rgba(255,255,255,.2);
  box-shadow: 0 4px 18px rgba(8, 21, 52, 0.25);
}

.topbar-brand {
  display: flex;
  align-items: center;
  gap: .9rem;
  padding: .9rem 1rem;
  max-width: 1360px;
  margin: 0 auto;
}

.brand-logo {
  width: 46px;
  height: 46px;
  border-radius: 10px;
  object-fit: contain;
  padding: 2px;
  background: rgba(255,255,255,.18);
  border: 1px solid rgba(255,255,255,.35);
}

.topbar h1 {
  margin: 0;
  font-size: 1.02rem;
  letter-spacing: .02em;
  font-weight: 700;
}

.container {
  position: relative;
  z-index: 1;
  width: min(1360px, 100% - 1.2rem);
  margin: 1rem auto 1.8rem;
}

.app-shell {
  display: grid;
  grid-template-columns: 250px minmax(0,1fr) 310px;
  gap: .95rem;
  align-items: start;
}

.card {
  background: rgba(255,255,255,0.24);
  border: 1px solid rgba(145,170,210,0.35);
  border-radius: var(--radius);
  padding: 1rem;
  box-shadow: var(--shadow);
  backdrop-filter: blur(8px);
}

.card h2, .card h3, .card h4 { margin-top: 0; }

.hero {
  background:
    linear-gradient(135deg, rgba(13,74,168,.14), rgba(106,200,255,.16)),
    var(--panel-strong);
}

.hero h2 { font-size: clamp(1.35rem, 2.6vw, 2rem); margin-bottom: .5rem; }
.hero p { color: var(--muted); max-width: 70ch; }

.hero-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: .65rem;
  margin: 1rem 0;
}

.stat-chip {
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,.62);
  padding: .6rem;
}

.stat-chip strong { display: block; font-size: 1.1rem; }
.stat-chip span { font-size: .8rem; color: var(--muted); }

.home-banner-wrap { margin: .75rem 0 0; }
.home-banner {
  width: 100%;
  max-height: 330px;
  object-fit: cover;
  border-radius: 14px;
  border: 1px solid var(--line);
}

.quick-links { display: flex; flex-wrap: wrap; gap: .55rem; margin-top: .9rem; }
.quick-link {
  display: inline-flex;
  align-items: center;
  gap: .3rem;
  background: linear-gradient(130deg, var(--brand-blue), #165bc0);
  color: #fff;
  text-decoration: none;
  padding: .6rem .9rem;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.3);
  font-weight: 700;
  font-size: .9rem;
}
.quick-link:hover { transform: translateY(-1px); transition: .2s ease; color: #fff; }

.sidebar {
  position: sticky;
  top: 84px;
  display: flex;
  flex-direction: column;
  gap: .4rem;
}

.side-link {
  display: block;
  text-decoration: none;
  font-weight: 700;
  color: var(--text);
  border: 1px solid transparent;
  border-radius: 10px;
  padding: .62rem .75rem;
}
.side-link:hover { background: rgba(226,236,255,.7); }
.side-link.active {
  background: linear-gradient(130deg, rgba(0,51,141,.12), rgba(106,200,255,.2));
  border-color: rgba(13,74,168,.35);
  color: var(--brand-blue);
}

.mobile-nav-toggle {
  display: none;
  width: 100%;
  margin-bottom: .6rem;
  border: 1px solid rgba(255,255,255,.35);
  border-radius: 12px;
  background: linear-gradient(130deg, #0f3478, #1f65cb);
  color: #fff;
  font-weight: 700;
  padding: .7rem .85rem;
}

.status, .error {
  border-radius: 10px;
  padding: .7rem .8rem;
  border: 1px solid transparent;
  margin-bottom: .7rem;
}
.status { background: var(--success-bg); color: var(--success-tx); border-color: #87d8aa; }
.error { background: var(--danger-bg); color: var(--danger-tx); border-color: #f2adb8; }

.roster-grid, .poc-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: .65rem;
}

.roster-col, .poc-card {
  border-radius: 12px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.34);
  padding: .6rem;
}

.roster-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: .6rem;
  padding: .42rem 0;
  border-top: 1px dashed #d8e3f5;
}

.pill {
  display: inline-flex;
  border-radius: 999px;
  font-size: .72rem;
  font-weight: 700;
  padding: .22rem .52rem;
}
.pill.enrolled { background: var(--success-bg); color: var(--success-tx); }
.pill.pending { background: var(--warn-bg); color: var(--warn-tx); }
.pill.info { background: #e4efff; color: #13408a; }

.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: .75rem;
}
.form-grid label { display: flex; flex-direction: column; gap: .28rem; font-size: .92rem; font-weight: 600; color: #173153; }

.form-grid input,
.form-grid select,
.form-grid textarea,
.inline-form input {
  font: inherit;
  width: 100%;
  border-radius: 10px;
  border: 1px solid #c1d0e8;
  background: #fff;
  padding: .62rem .66rem;
  color: var(--text);
}

input:focus-visible,
select:focus-visible,
textarea:focus-visible,
button:focus-visible,
a:focus-visible {
  outline: 3px solid rgba(43, 132, 255, .38);
  outline-offset: 1px;
}

button {
  appearance: none;
  border: 0;
  border-radius: 10px;
  background: linear-gradient(130deg, #0f3478, #1f65cb);
  color: #fff;
  padding: .64rem .9rem;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}
button:hover { filter: brightness(1.06); transition: .18s ease; }

button.secondary {
  background: #fff;
  color: #15345f;
  border: 1px solid #b9c9e5;
}

.full { grid-column: 1 / -1; }
.inline-form { display: flex; gap: .5rem; align-items: center; }
.inline-between { display: flex; justify-content: space-between; align-items: center; gap: .6rem; }
.list-item { border-top: 1px solid #e6edf8; padding-top: .75rem; margin-top: .75rem; }
.muted { color: var(--muted); }
.narrow { max-width: 560px; margin: 2.2rem auto; }

.right-rail h3 { margin-bottom: .5rem; }
.rotator {
  position: relative;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.7);
  overflow: hidden;
  min-height: 280px;
}
.rotator-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  opacity: 0;
  transition: opacity .55s ease;
}
.rotator-image.active { opacity: 1; }

.calendar-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: .75rem;
}
.calendar-controls { display: flex; align-items: center; gap: .55rem; }
.calendar-controls button { min-width: 42px; padding: .45rem .6rem; }

.calendar-grid {
  margin-top: .75rem;
  display: grid;
  grid-template-columns: repeat(7, minmax(0,1fr));
  gap: .35rem;
}

.cal-dow, .cal-cell {
  border-radius: 10px;
  border: 1px solid #c8d8f0;
  background: rgba(255,255,255,.58);
  padding: .34rem;
}

.cal-dow {
  text-align: center;
  font-weight: 700;
  background: rgba(224,236,255,.86);
}

.cal-cell {
  min-height: 96px;
  cursor: pointer;
  position: relative;
}
.cal-cell:hover { border-color: #89afe8; }
.cal-cell.muted-day { opacity: .42; cursor: default; }
.cal-cell.is-selected { border-color: #3f74c7; box-shadow: inset 0 0 0 1px #3f74c7; }

.cal-day {
  position: absolute;
  top: 6px;
  left: 8px;
  font-size: .9rem;
  font-weight: 800;
  color: #0b1f45;
  text-shadow: 0 1px 0 rgba(255,255,255,.6);
}
.cal-events { margin-top: 1.35rem; display: flex; flex-direction: column; gap: .23rem; }
.cal-pill {
  display: inline-flex;
  max-width: 100%;
  border-radius: 999px;
  padding: .12rem .38rem;
  font-size: .7rem;
  font-weight: 600;
  color: #173f82;
  background: #dfebff;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.empty-state {
  border: 1px dashed #9cb4d8;
  border-radius: 12px;
  padding: 1rem;
  text-align: center;
  color: var(--muted);
  background: rgba(255,255,255,.48);
}

.fade-in-up {
  animation: fadeInUp .4s ease both;
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

.map-wrap {
  margin-top: .8rem;
  border-radius: 12px;
  border: 1px solid var(--line);
  overflow: hidden;
}
.map-wrap iframe { width: 100%; height: 330px; border: 0; }

.poc-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .6rem;
}
.poc-emblem {
  width: 58px;
  height: 58px;
  object-fit: contain;
  border-radius: 10px;
  background: rgba(255,255,255,.28);
  border: 1px solid rgba(255,255,255,.5);
  box-shadow: 0 4px 12px rgba(7,26,61,.2);
}
.poc-card p { margin: .15rem 0; font-size: .86rem; }

.admin-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0,1fr));
  gap: .9rem;
}
.admin-grid > .card { height: 100%; }

@media (max-width: 1160px) {
  .app-shell { grid-template-columns: 220px minmax(0,1fr); }
  .right-rail { grid-column: 1 / -1; }
}

@media (max-width: 860px) {
  .topbar h1 { font-size: .92rem; }
  .brand-logo { width: 40px; height: 40px; }
  .app-shell { grid-template-columns: 1fr; }
  .mobile-nav-toggle { display: inline-flex; justify-content: center; }
  .sidebar {
    position: static;
    display: none;
    margin-bottom: .6rem;
  }
  .sidebar.is-open { display: flex; }
  .inline-between { flex-direction: column; align-items: flex-start; }
  .inline-form { width: 100%; flex-wrap: wrap; }
  .admin-grid { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}