:root {
  --navy: #0f4c81;
  --navy-dark: #0c3c66;
  --bg: #f4f6f9;
  --card: #ffffff;
  --border: #e3e8ef;
  --text: #1f2733;
  --muted: #667085;
  --faint: #98a2b3;
  --yes: #12805c;
  --yes-bg: #e6f4ee;
  --no: #d13438;
  --no-bg: #fdecec;
  --warn: #b7791f;
  --warn-bg: #fdf3e2;
  --shadow: 0 1px 2px rgba(16, 24, 40, 0.06), 0 1px 3px rgba(16, 24, 40, 0.1);
  --radius: 10px;
  font-synthesis: none;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 15px;
  line-height: 1.5;
}

a { color: var(--navy); text-decoration: none; }
a:hover { text-decoration: underline; }

button {
  font: inherit;
  cursor: pointer;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--text);
  border-radius: 8px;
  padding: 8px 14px;
  transition: background .12s, border-color .12s, box-shadow .12s;
}
button:hover { background: #f7f9fc; }
button.primary {
  background: var(--navy);
  border-color: var(--navy);
  color: #fff;
}
button.primary:hover { background: var(--navy-dark); }
button.danger {
  color: var(--no);
  border-color: #f3c6c7;
  background: #fff;
}
button.danger:hover { background: var(--no-bg); }
button.ghost { border-color: transparent; background: transparent; padding: 6px 10px; }
button.ghost:hover { background: #eef2f7; }
button:disabled { opacity: .55; cursor: not-allowed; }
button.small { padding: 5px 10px; font-size: 13px; }

input, select, textarea {
  font: inherit;
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 10px;
  background: #fff;
  width: 100%;
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--navy);
  box-shadow: 0 0 0 3px rgba(15, 76, 129, .12);
}
textarea { resize: vertical; min-height: 38px; }
label.field { display: block; font-size: 13px; color: var(--muted); margin-bottom: 5px; font-weight: 600; }

/* ---------- top bar ---------- */
.topbar {
  background: var(--navy);
  color: #fff;
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 0 22px;
  height: 56px;
  position: sticky;
  top: 0;
  z-index: 20;
}
.topbar .brand { font-weight: 700; font-size: 17px; display: flex; align-items: center; gap: 8px; }
.topbar nav { display: flex; gap: 4px; margin-left: 12px; }
.topbar nav a {
  color: #cfe0ef;
  padding: 7px 12px;
  border-radius: 7px;
  font-size: 14px;
  font-weight: 500;
}
.topbar nav a:hover { background: rgba(255,255,255,.12); color: #fff; text-decoration: none; }
.topbar nav a.active { background: rgba(255,255,255,.18); color: #fff; }
.topbar .spacer { flex: 1; }
.topbar .who { font-size: 13px; color: #cfe0ef; }
.topbar button.ghost { color: #fff; }
.topbar button.ghost:hover { background: rgba(255,255,255,.14); }

.container { max-width: 1080px; margin: 0 auto; padding: 26px 22px 60px; }

.page-head {
  display: flex; align-items: center; gap: 14px; margin-bottom: 20px; flex-wrap: wrap;
}
.page-head h1 { font-size: 22px; margin: 0; }
.page-head .spacer { flex: 1; }

/* ---------- schools list ---------- */
.searchbar { position: relative; flex: 1; min-width: 220px; max-width: 420px; }
.searchbar input { padding-left: 34px; }
.searchbar::before {
  content: "🔍"; position: absolute; left: 11px; top: 50%; transform: translateY(-50%);
  font-size: 13px; opacity: .5;
}

.school-list { display: flex; flex-direction: column; gap: 10px; }
.school-row {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 14px 16px;
  display: flex;
  align-items: center;
  gap: 14px;
}
.school-row .warnwrap { width: 22px; text-align: center; font-size: 18px; flex-shrink: 0; }
.school-row .name { font-weight: 600; font-size: 16px; }
.school-row .name a { color: var(--text); }
.school-row .grow { flex: 1; min-width: 0; }
.school-row .meta { color: var(--muted); font-size: 13px; margin-top: 2px; display: flex; gap: 12px; flex-wrap: wrap; }
.school-row .tech select { width: auto; min-width: 170px; }
.progress { height: 6px; background: #eef1f5; border-radius: 4px; overflow: hidden; width: 130px; }
.progress > span { display: block; height: 100%; background: var(--yes); }

.pill { display: inline-flex; align-items: center; gap: 5px; font-size: 12px; padding: 2px 8px; border-radius: 20px; font-weight: 600; }
.pill.no { background: var(--no-bg); color: var(--no); }
.pill.un { background: #eef1f5; color: var(--muted); }
.pill.ok { background: var(--yes-bg); color: var(--yes); }

.empty {
  text-align: center; color: var(--muted); padding: 50px 20px;
  background: var(--card); border: 1px dashed var(--border); border-radius: var(--radius);
}

/* ---------- school detail ---------- */
.detail-layout { display: grid; grid-template-columns: 210px 1fr; gap: 22px; align-items: start; }
.section-nav {
  position: sticky; top: 74px;
  display: flex; flex-direction: column; gap: 2px;
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 8px; box-shadow: var(--shadow);
}
.section-nav button {
  text-align: left; border: none; background: transparent; border-radius: 7px;
  padding: 8px 11px; display: flex; align-items: center; gap: 8px; width: 100%; font-size: 14px;
}
.section-nav button:hover { background: #f2f5f9; }
.section-nav button.active { background: var(--navy); color: #fff; }
.section-nav button.active .navdot { filter: brightness(1.4); }
.navdot { margin-left: auto; width: 9px; height: 9px; border-radius: 50%; background: transparent; flex-shrink: 0; }
.navdot.warn { background: var(--warn); }

.panel {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 4px 0;
}
.panel-head { padding: 16px 20px; border-bottom: 1px solid var(--border); display: flex; align-items: center; gap: 10px; }
.panel-head h2 { margin: 0; font-size: 18px; }
.panel-head .spacer { flex: 1; }

/* item rows */
.item {
  padding: 13px 20px;
  border-bottom: 1px solid #f0f2f5;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 6px 14px;
  align-items: start;
}
.item:last-child { border-bottom: none; }
.item .label { font-weight: 500; }
.item .cat {
  font-size: 11.5px; color: var(--faint); font-weight: 500; margin-top: 3px;
  text-transform: uppercase; letter-spacing: .04em;
}
.item .extra { grid-column: 1 / -1; margin-top: 4px; display: none; }
.item .extra.open { display: block; }
.item .extra .row { display: flex; gap: 10px; margin-top: 8px; flex-wrap: wrap; }
.item .extra .row > div { flex: 1; min-width: 200px; }
.item .toolbtn {
  font-size: 12px; color: var(--muted); background: transparent; border: none; padding: 4px 6px;
}
.item .toolbtn:hover { color: var(--navy); background: transparent; text-decoration: underline; }
.item .toolrow { grid-column: 1/-1; display: flex; gap: 4px; margin-top: 2px; }
.item .toolrow .dot { color: var(--warn); font-weight: 700; }
.item .prefhint { font-size: 11.5px; color: var(--faint); align-self: center; }
.item .prefhint::before { content: "·"; margin-right: 6px; }
.item .infoval { width: 220px; max-width: 46vw; }
.item .infotag {
  font-size: 10px; text-transform: uppercase; letter-spacing: .04em;
  background: #eef4fb; color: var(--navy); padding: 1px 6px; border-radius: 5px;
  margin-left: 8px; vertical-align: middle; font-weight: 700;
}

/* tri-state toggle */
.tristate { display: inline-flex; border: 1px solid var(--border); border-radius: 8px; overflow: hidden; }
.tristate button {
  border: none; border-radius: 0; padding: 6px 14px; background: #fff; color: var(--muted);
  font-size: 13px; font-weight: 600; border-right: 1px solid var(--border);
}
.tristate button:last-child { border-right: none; }
.tristate button:hover { background: #f5f7fa; }
.tristate button.on-good    { background: var(--yes); color: #fff; }
.tristate button.on-bad     { background: var(--no); color: #fff; }
.tristate button.on-neutral { background: var(--navy); color: #fff; }
.tristate button.on-un      { background: #667085; color: #fff; }

/* devices */
.device {
  border: 1px solid var(--border); border-radius: 9px; margin: 12px 16px; overflow: hidden;
}
.device-head {
  display: flex; align-items: center; gap: 10px; padding: 11px 14px; cursor: pointer;
  background: #fafbfc;
}
.device-head:hover { background: #f2f5f9; }
.device-head .dname { font-weight: 600; }
.device-head .dip { color: var(--muted); font-size: 13px; }
.device-head .drole {
  font-size: 11px; font-weight: 700; padding: 1px 8px; border-radius: 20px;
  background: #eef4fb; color: var(--navy); text-transform: uppercase; letter-spacing: .03em;
}
.device-head .spacer { flex: 1; }
.device-head .caret { transition: transform .15s; color: var(--muted); }
.device.open .device-head .caret { transform: rotate(90deg); }
.device-body { display: none; border-top: 1px solid var(--border); }
.device.open .device-body { display: block; }
.device-meta { padding: 14px 16px; border-bottom: 1px solid #f0f2f5; display: flex; gap: 12px; flex-wrap: wrap; }
.device-meta > div { flex: 1; min-width: 160px; }
.dwarn { color: var(--warn); }

.addrow { padding: 14px 16px; display: flex; gap: 10px; align-items: flex-end; flex-wrap: wrap; }
.addrow > div { flex: 1; min-width: 140px; }

/* findings */
.findings-table { width: 100%; border-collapse: collapse; background: var(--card); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); border: 1px solid var(--border); }
.findings-table th, .findings-table td { text-align: left; padding: 10px 14px; border-bottom: 1px solid #f0f2f5; font-size: 14px; vertical-align: top; }
.findings-table th { background: #f7f9fc; font-size: 12px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); }
.findings-table tr:last-child td { border-bottom: none; }
.findings-filters { display: flex; gap: 10px; margin-bottom: 16px; flex-wrap: wrap; }
.findings-filters select, .findings-filters input { width: auto; min-width: 150px; }
.tag { font-size: 11px; padding: 1px 7px; border-radius: 5px; background: #eef1f5; color: var(--muted); white-space: nowrap; }
.tag.no { background: var(--no-bg); color: var(--no); }

/* generic table (users/techs) */
.simple-table { width: 100%; border-collapse: collapse; background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.simple-table th, .simple-table td { text-align: left; padding: 11px 16px; border-bottom: 1px solid #f0f2f5; }
.simple-table th { background: #f7f9fc; font-size: 12px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); }
.simple-table tr:last-child td { border-bottom: none; }

/* ---------- login ---------- */
.login-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 20px; }
.login-card {
  background: var(--card); border: 1px solid var(--border); border-radius: 14px;
  box-shadow: 0 8px 30px rgba(16,24,40,.10); padding: 34px 32px; width: 100%; max-width: 380px;
}
.login-card h1 { font-size: 22px; margin: 0 0 6px; display: flex; align-items: center; gap: 8px; }
.login-card p.sub { color: var(--muted); margin: 0 0 22px; font-size: 14px; }
.login-card .field-group { margin-bottom: 14px; }
.login-card button.primary { width: 100%; padding: 11px; margin-top: 6px; }
.login-card .back { margin-top: 14px; text-align: center; }

/* ---------- modal ---------- */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(16,24,40,.45); display: flex;
  align-items: center; justify-content: center; z-index: 50; padding: 20px;
}
.modal {
  background: #fff; border-radius: 12px; width: 100%; max-width: 440px; box-shadow: 0 20px 50px rgba(0,0,0,.25);
}
.modal h3 { margin: 0; padding: 18px 22px; border-bottom: 1px solid var(--border); font-size: 17px; }
.modal .body { padding: 20px 22px; display: flex; flex-direction: column; gap: 14px; }
.modal .foot { padding: 14px 22px; border-top: 1px solid var(--border); display: flex; justify-content: flex-end; gap: 10px; }

/* ---------- toast ---------- */
.toast {
  position: fixed; bottom: 22px; left: 50%; transform: translateX(-50%);
  background: #1f2733; color: #fff; padding: 10px 18px; border-radius: 8px; font-size: 14px;
  z-index: 100; box-shadow: 0 6px 20px rgba(0,0,0,.25); max-width: 90vw;
}
.toast.err { background: var(--no); }

.spinner { text-align: center; padding: 50px; color: var(--muted); }

.breadcrumb { font-size: 13px; color: var(--muted); margin-bottom: 8px; }

@media (max-width: 720px) {
  .detail-layout { grid-template-columns: 1fr; }
  .section-nav { position: static; flex-direction: row; flex-wrap: wrap; }
  .section-nav button { width: auto; }
  .topbar nav a { padding: 7px 8px; }
  .school-row { flex-wrap: wrap; }
}