:root {
  --bg: #f4f6f9;
  --panel: #ffffff;
  --ink: #1c2733;
  --muted: #5d6b7a;
  --line: #dce3ea;
  --brand: #00509e;
  --brand-dark: #003b75;
  --ok: #1a7f37;
  --warn: #9a6700;
  --err: #b42318;
  --warn-bg: #fff7e6;
  --err-bg: #fdecea;
  --ok-bg: #e8f5ec;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.45;
}
a { color: var(--brand); }
.loading { padding: 2rem; color: var(--muted); }

/* Layout */
header.topbar {
  background: var(--brand);
  color: #fff;
  display: flex;
  align-items: center;
  gap: 1.25rem;
  padding: 0.6rem 1.25rem;
}
header.topbar h1 { font-size: 1.05rem; margin: 0; font-weight: 600; }
header.topbar nav { display: flex; gap: 0.25rem; flex: 1; }
header.topbar nav a {
  color: #dce9f7; text-decoration: none; padding: 0.4rem 0.75rem;
  border-radius: 6px; font-size: 0.95rem;
}
header.topbar nav a.active, header.topbar nav a:hover { background: var(--brand-dark); color: #fff; }
.topbar .who { font-size: 0.85rem; color: #cfe0f2; }
main { max-width: 1100px; margin: 1.5rem auto; padding: 0 1.25rem; }

/* Panels */
.panel { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 1.25rem; margin-bottom: 1.25rem; }
.panel h2 { margin-top: 0; font-size: 1.15rem; }
.row { display: flex; gap: 1rem; flex-wrap: wrap; align-items: flex-end; }
.grow { flex: 1; }

/* Forms */
label { display: block; font-size: 0.85rem; color: var(--muted); margin-bottom: 0.6rem; }
label span.req { color: var(--err); }
input, select, textarea {
  width: 100%; padding: 0.5rem 0.6rem; border: 1px solid var(--line);
  border-radius: 6px; font-size: 0.95rem; font-family: inherit; background: #fff; color: var(--ink);
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--brand); border-color: var(--brand); }
.field-error { color: var(--err); font-size: 0.8rem; margin-top: 0.2rem; }

button {
  font: inherit; cursor: pointer; border: none; border-radius: 6px;
  padding: 0.5rem 0.9rem; background: var(--brand); color: #fff; font-weight: 500;
}
button:hover { background: var(--brand-dark); }
button.secondary { background: #eaeef3; color: var(--ink); }
button.secondary:hover { background: #dce3ea; }
button.danger { background: var(--err); }
button.small { padding: 0.3rem 0.6rem; font-size: 0.85rem; }

/* Tables */
table { width: 100%; border-collapse: collapse; font-size: 0.92rem; }
th, td { text-align: left; padding: 0.55rem 0.6rem; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--muted); font-weight: 600; font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.02em; }
tr:hover td { background: #f9fbfd; }
.actions { display: flex; gap: 0.4rem; }

/* Badges */
.badge { display: inline-block; padding: 0.1rem 0.5rem; border-radius: 999px; font-size: 0.78rem; font-weight: 600; }
.badge.student { background: #e7f0fb; color: var(--brand-dark); }
.badge.employee, .badge.faculty, .badge.staff { background: #ece7fb; color: #5b21b6; }
.sev-error { background: var(--err-bg); color: var(--err); }
.sev-warning { background: var(--warn-bg); color: var(--warn); }
.sev-info { background: #e7f0fb; color: var(--brand-dark); }

/* Dashboard score */
.score { display: flex; align-items: center; gap: 1.5rem; flex-wrap: wrap; }
.score .num { font-size: 3rem; font-weight: 700; }
.score.good .num { color: var(--ok); }
.score.mid .num { color: var(--warn); }
.score.bad .num { color: var(--err); }
.stats { display: flex; gap: 1rem; flex-wrap: wrap; }
.stat { background: #f4f6f9; border-radius: 8px; padding: 0.6rem 1rem; min-width: 90px; }
.stat .v { font-size: 1.4rem; font-weight: 700; }
.stat .l { font-size: 0.78rem; color: var(--muted); }

/* Login */
.login-wrap { max-width: 380px; margin: 8vh auto; }
.login-wrap .panel { padding: 2rem; }
.login-wrap h1 { font-size: 1.3rem; margin-top: 0; }
.muted { color: var(--muted); font-size: 0.85rem; }
.error-box { background: var(--err-bg); color: var(--err); padding: 0.6rem 0.8rem; border-radius: 6px; margin-bottom: 1rem; font-size: 0.9rem; }

/* Modal */
.modal-backdrop { position: fixed; inset: 0; background: rgba(15,30,45,0.45); display: flex; align-items: flex-start; justify-content: center; padding: 4vh 1rem; overflow-y: auto; z-index: 10; }
.modal { background: #fff; border-radius: 10px; width: 100%; max-width: 640px; padding: 1.5rem; }
.modal h2 { margin-top: 0; }
.modal .grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0 1rem; }
.modal .footer { display: flex; justify-content: flex-end; gap: 0.6rem; margin-top: 1rem; }
.checks { display: flex; flex-wrap: wrap; gap: 0.5rem 1rem; }
.checks label { display: flex; align-items: center; gap: 0.35rem; margin: 0; }
.checks input { width: auto; }
.member-list { max-height: 220px; overflow-y: auto; border: 1px solid var(--line); border-radius: 6px; padding: 0.5rem; }
.member-list label { display: flex; align-items: center; gap: 0.4rem; margin: 0.15rem 0; }
.member-list input { width: auto; }

/* Toast */
.toast { position: fixed; bottom: 1.25rem; left: 50%; transform: translateX(-50%); background: var(--ink); color: #fff; padding: 0.7rem 1.1rem; border-radius: 8px; font-size: 0.9rem; z-index: 50; }
.toast.err { background: var(--err); }
@media (max-width: 600px) { .modal .grid2 { grid-template-columns: 1fr; } header.topbar { flex-wrap: wrap; } }