:root {
  --bg: #f5f7fb;
  --surface: #ffffff;
  --surface-soft: #eef3f8;
  --text: #172033;
  --muted: #64748b;
  --line: #d8e0eb;
  --primary: #0f766e;
  --primary-dark: #115e59;
  --danger: #b42318;
  --success: #067647;
  --warning: #b54708;
  --shadow: 0 14px 30px rgba(15, 23, 42, .08);
  --radius: 8px;
  --font: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  line-height: 1.45;
}

button, input, select, textarea { font: inherit; }

:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

/* ---------- shell ---------- */
.app-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr);
}

.sidebar {
  background: #10212f;
  color: #e8eef5;
  padding: 22px 18px;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow: auto;
  display: flex;
  flex-direction: column;
}

.brand { display: grid; gap: 4px; margin-bottom: 24px; }
.brand strong { font-size: 18px; color: #fff; }
.brand span { color: #9fb0c2; font-size: 12px; }

.nav-label {
  font-size: 11px;
  font-weight: 700;
  color: #7c8fa3;
  text-transform: uppercase;
  letter-spacing: .05em;
  margin: 22px 0 8px;
}

.nav { display: grid; gap: 6px; }

.nav button {
  width: 100%;
  border: 1px solid transparent;
  background: transparent;
  color: #cbd5e1;
  border-radius: var(--radius);
  padding: 10px 12px;
  text-align: left;
  cursor: pointer;
  font-size: 14px;
}

.nav button.active,
.nav button:hover {
  background: rgba(255, 255, 255, .1);
  color: #fff;
  border-color: rgba(255, 255, 255, .12);
}

.sidebar-foot {
  margin-top: auto;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, .12);
  display: grid;
  gap: 10px;
}

.who { display: grid; gap: 6px; }
.who strong { color: #fff; font-size: 14px; }

.nav-toggle { display: none; }

main { padding: 24px; min-width: 0; }

.topbar {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 20px;
}

h1 { margin: 0; font-size: clamp(21px, 3vw, 27px); line-height: 1.2; }
h2 { margin: 0 0 14px; font-size: 18px; }

.muted { color: var(--muted); }
.small { font-size: 12px; }
.centered { text-align: center; }
.nowrap { white-space: nowrap; }
.wrap { white-space: normal; }
.warn-text { color: var(--warning); }

.actions { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }

/* ---------- buttons ---------- */
.btn {
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--text);
  border-radius: var(--radius);
  min-height: 38px;
  padding: 8px 12px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  text-decoration: none;
  justify-content: center;
}

.btn.primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn.primary:hover { background: var(--primary-dark); }
.btn.danger { background: #fff6f5; border-color: #fecdca; color: var(--danger); }
.btn.warning { background: #fffaeb; border-color: #fedf89; color: var(--warning); }
.btn.ghost { background: rgba(255,255,255,.08); border-color: rgba(255,255,255,.18); color: #e8eef5; }
.btn.ghost:hover { background: rgba(255,255,255,.16); }
.btn.block { width: 100%; }
.btn.tiny { min-height: 30px; padding: 4px 9px; font-size: 12px; }
.btn:hover { filter: brightness(.98); }
.btn:disabled { opacity: .55; cursor: not-allowed; }

/* ---------- KPIs ---------- */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 14px;
  margin-bottom: 18px;
}

.kpi {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px;
  box-shadow: var(--shadow);
}

.kpi span {
  display: block;
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .04em;
}

.kpi strong { display: block; margin-top: 8px; font-size: 24px; line-height: 1.1; }
.kpi.highlight strong { color: var(--primary); }
.kpi.warning strong { color: var(--warning); }
.kpi.danger-kpi { border-color: #fecdca; }
.kpi.danger-kpi strong { color: var(--danger); }

.mini-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 12px;
}

.metric {
  background: var(--surface-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 12px;
}

.metric span { display: block; font-size: 11px; text-transform: uppercase; color: var(--muted); letter-spacing: .04em; }
.metric strong { display: block; margin-top: 6px; font-size: 17px; }

/* ---------- sections & panels ---------- */
.section { display: none; }
.section.active { display: grid; gap: 18px; }

.panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 16px;
  min-width: 0;
}

.split {
  display: grid;
  grid-template-columns: minmax(280px, 390px) minmax(0, 1fr);
  gap: 16px;
  align-items: start;
}

/* ---------- forms ---------- */
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.form-grid.one { grid-template-columns: 1fr; }
.form-grid .wide { grid-column: 1 / -1; }

label { display: grid; gap: 5px; color: var(--muted); font-size: 12px; font-weight: 650; }

label.checkline {
  display: flex;
  align-items: flex-start;
  gap: 9px;
  color: var(--text);
  font-weight: 500;
  font-size: 13px;
  padding: 6px 0;
}

label.checkline input { width: auto; min-height: auto; margin-top: 3px; }

input, select, textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 9px 10px;
  color: var(--text);
  background: #fff;
  min-height: 38px;
}

input:disabled, select:disabled, textarea:disabled { background: #f2f5f9; color: var(--muted); }

textarea { min-height: 76px; resize: vertical; }

.form-actions { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 14px; }

.settings-form.narrow { max-width: 420px; }

.toolbar {
  display: grid;
  grid-template-columns: minmax(200px, 1fr) repeat(auto-fit, minmax(130px, auto));
  gap: 8px;
  margin-bottom: 12px;
}

.preview {
  margin-top: 12px;
  padding: 11px 13px;
  background: var(--surface-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-size: 13px;
}

/* ---------- tables ---------- */
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); }

table { width: 100%; border-collapse: collapse; min-width: 640px; font-size: 13px; }

th, td {
  padding: 10px 12px;
  text-align: left;
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
  vertical-align: top;
}

thead th {
  background: var(--surface-soft);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .04em;
  color: var(--muted);
  position: sticky;
  top: 0;
}

tfoot th { background: var(--surface-soft); font-size: 12px; }
tbody tr:last-child td { border-bottom: none; }
tbody tr:hover td { background: #fafcfe; }

td.wrap { white-space: normal; max-width: 280px; }
.empty-cell { color: var(--muted); text-align: center; padding: 22px; white-space: normal; }

tr.group-row td {
  background: var(--surface-soft);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .04em;
  color: var(--muted);
  font-weight: 600;
}
#moduleVisibilityTable input[type="checkbox"] { width: 18px; height: 18px; }

/* ---------- badges ---------- */
.badge {
  display: inline-block;
  padding: 3px 9px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 700;
  border: 1px solid;
}

.badge.clear { background: #ecfdf3; color: var(--success); border-color: #abefc6; }
.badge.due { background: #fef3f2; color: var(--danger); border-color: #fecdca; }
.badge.warn { background: #fffaeb; color: var(--warning); border-color: #fedf89; }
.badge.advance { background: #eff4ff; color: #155eef; border-color: #b2ccff; }
.badge.empty { background: #f2f4f7; color: var(--muted); border-color: #e4e7ec; }

.role-chip {
  display: inline-block;
  padding: 2px 9px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 700;
  text-transform: capitalize;
  background: rgba(255,255,255,.14);
  color: #e8eef5;
  width: fit-content;
}

td .role-chip.role-admin { background: #fef3f2; color: var(--danger); }
td .role-chip.role-collector { background: #ecfdf3; color: var(--success); }
td .role-chip.role-viewer { background: #f2f4f7; color: var(--muted); }

/* ---------- settings tabs ---------- */
.tabs {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  border-bottom: 1px solid var(--line);
  padding-bottom: 0;
}

.tab {
  background: transparent;
  border: 1px solid transparent;
  border-bottom: none;
  padding: 9px 14px;
  border-radius: var(--radius) var(--radius) 0 0;
  cursor: pointer;
  color: var(--muted);
  font-size: 14px;
}

.tab.active {
  background: var(--surface);
  border-color: var(--line);
  color: var(--text);
  font-weight: 650;
  margin-bottom: -1px;
}

.pane { display: none; }
.pane.active { display: block; }

.tool-row {
  display: flex;
  gap: 16px;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
  flex-wrap: wrap;
}

.tool-row:last-child { border-bottom: none; }
.tool-row p { margin: 4px 0 0; }
.tool-row.danger-row strong { color: var(--danger); }

/* ---------- toasts ---------- */
.toast-stack {
  position: fixed;
  right: 18px;
  bottom: 18px;
  display: grid;
  gap: 8px;
  z-index: 60;
  max-width: min(360px, calc(100vw - 36px));
}

.toast {
  background: #10212f;
  color: #fff;
  padding: 11px 15px;
  border-radius: var(--radius);
  font-size: 13px;
  box-shadow: 0 12px 28px rgba(15, 23, 42, .24);
  transition: opacity .4s, transform .4s;
}

.toast.success { background: var(--success); }
.toast.error { background: var(--danger); }
.toast.out { opacity: 0; transform: translateY(8px); }

/* ---------- auth & install ---------- */
.auth-body {
  display: grid;
  place-items: center;
  min-height: 100vh;
  padding: 24px;
  background: radial-gradient(circle at 20% 0%, #17364a 0%, #10212f 55%, #0b1620 100%);
}

.auth-card {
  background: var(--surface);
  border-radius: 12px;
  padding: 30px;
  width: min(420px, 100%);
  box-shadow: 0 30px 60px rgba(6, 14, 22, .4);
}

.auth-card.wide { width: min(560px, 100%); }

.auth-brand { display: grid; gap: 4px; margin-bottom: 22px; }
.auth-brand strong { font-size: 22px; }
.auth-brand span { color: var(--muted); font-size: 13px; }

.auth-form { display: grid; gap: 14px; }
.auth-form label { color: var(--text); font-size: 13px; }

.alert {
  padding: 12px 14px;
  border-radius: var(--radius);
  border: 1px solid;
  font-size: 13px;
  margin-bottom: 16px;
}

.alert.danger { background: #fef3f2; border-color: #fecdca; color: var(--danger); }
.alert.success { background: #ecfdf3; border-color: #abefc6; color: var(--success); }
.alert p, .alert ol { margin: 8px 0 0; }
.alert code { background: rgba(0,0,0,.06); padding: 1px 5px; border-radius: 4px; }

/* ---------- responsive ---------- */
@media (max-width: 1080px) {
  .split { grid-template-columns: 1fr; }
}

@media (max-width: 900px) {
  .app-shell { grid-template-columns: 1fr; }

  .nav-toggle {
    display: inline-flex;
    position: fixed;
    top: 12px;
    right: 12px;
    z-index: 50;
    background: #10212f;
    color: #fff;
    border: none;
    border-radius: var(--radius);
    padding: 9px 14px;
    cursor: pointer;
  }

  .sidebar {
    position: fixed;
    inset: 0 auto 0 0;
    width: 250px;
    transform: translateX(-100%);
    transition: transform .25s ease;
    z-index: 55;
  }

  .sidebar.open { transform: translateX(0); }
  main { padding: 60px 16px 24px; }
}

@media (max-width: 640px) {
  .topbar { display: grid; gap: 12px; }
  .form-grid, .toolbar, .mini-grid { grid-template-columns: 1fr; }
  .form-grid .wide { grid-column: auto; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; scroll-behavior: auto !important; }
}