:root {
  color-scheme: light;
  --bg: #f4f6f8;
  --panel: #ffffff;
  --panel-soft: #f9fafb;
  --ink: #172033;
  --muted: #667085;
  --line: #d6dce5;
  --line-soft: #e8edf3;
  --accent: #0f766e;
  --accent-dark: #115e59;
  --accent-soft: #d9f2ec;
  --sidebar: #172033;
  --sidebar-line: #2b374c;
  --blue-soft: #e7f0ff;
  --blue-ink: #24447c;
  --amber-soft: #fff3d6;
  --amber-ink: #73510d;
  --success-bg: #dff6ec;
  --success-ink: #116149;
  --shadow: 0 10px 28px rgb(23 32 51 / 8%);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  background: var(--bg);
  color: var(--ink);
  font-family: Arial, Helvetica, sans-serif;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  background: var(--accent);
  border: 0;
  border-radius: 6px;
  color: #ffffff;
  cursor: pointer;
  font: inherit;
  font-weight: 700;
  min-height: 40px;
  padding: 0 16px;
}

button:hover {
  background: var(--accent-dark);
}

input {
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--ink);
  font: inherit;
  min-height: 40px;
  padding: 0 12px;
  width: 100%;
}

select {
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--ink);
  font: inherit;
  min-height: 40px;
  padding: 0 12px;
  width: 100%;
}

input:focus,
select:focus {
  border-color: var(--accent);
  outline: 2px solid rgb(15 118 110 / 16%);
}

.shell {
  display: grid;
  grid-template-columns: 264px minmax(0, 1fr);
  min-height: 100vh;
}

.sidebar {
  background: var(--sidebar);
  color: #f8fafc;
  padding: 22px 18px;
}

.brand-lockup {
  align-items: center;
  border-bottom: 1px solid var(--sidebar-line);
  display: flex;
  gap: 10px;
  margin-bottom: 18px;
  padding-bottom: 18px;
}

.brand-mark {
  align-items: center;
  background: #ffffff;
  border-radius: 6px;
  color: var(--sidebar);
  display: inline-flex;
  font-size: 0.78rem;
  font-weight: 900;
  height: 34px;
  justify-content: center;
  width: 34px;
}

.brand {
  display: inline-block;
  font-size: 1.15rem;
  font-weight: 800;
}

.sidebar nav {
  display: grid;
  gap: 8px;
}

.sidebar a,
.tenant-switcher a {
  border-radius: 6px;
  padding: 10px 12px;
}

.sidebar a:hover,
.tenant-switcher a:hover,
.tenant-switcher a.active {
  background: rgb(255 255 255 / 12%);
}

.tenant-switcher {
  border-bottom: 1px solid var(--sidebar-line);
  display: grid;
  gap: 6px;
  margin-bottom: 18px;
  padding-bottom: 18px;
}

.tenant-switcher a {
  color: #dbeafe;
  font-size: 0.88rem;
  font-weight: 700;
}

.tenant-switcher a.active {
  color: #ffffff;
}

.workspace {
  min-width: 0;
  padding: 30px;
}

.topbar {
  align-items: center;
  display: flex;
  gap: 16px;
  justify-content: space-between;
  margin-bottom: 24px;
}

.topbar-subtitle {
  color: var(--muted);
  font-size: 0.94rem;
  margin: 8px 0 0;
}

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

.eyebrow {
  color: var(--muted);
  font-size: 0.85rem;
  font-weight: 700;
  margin: 0 0 4px;
  text-transform: uppercase;
}

h1 {
  font-size: 1.8rem;
  margin: 0;
}

h2 {
  font-size: 1rem;
  margin: 0 0 16px;
}

.status-pill {
  background: var(--success-bg);
  border: 1px solid rgb(17 97 73 / 22%);
  border-radius: 6px;
  color: var(--success-ink);
  font-size: 0.85rem;
  font-weight: 800;
  padding: 8px 12px;
}

.status-pill.secondary {
  background: var(--blue-soft);
  border-color: rgb(36 68 124 / 18%);
  color: var(--blue-ink);
}

.summary-grid {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-bottom: 18px;
}

.metric,
.operations-panel,
.student-form,
.student-table {
  background: var(--panel);
  border: 1px solid var(--line-soft);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.metric {
  min-height: 104px;
  padding: 16px;
}

.metric span {
  color: var(--muted);
  display: block;
  font-size: 0.8rem;
  font-weight: 800;
  margin-bottom: 8px;
  text-transform: uppercase;
}

.metric strong {
  display: block;
  font-size: 1.28rem;
  line-height: 1.2;
}

.module-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 22px;
}

.module {
  align-items: center;
  background: #edf1f6;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: #768195;
  display: inline-flex;
  font-size: 0.78rem;
  font-weight: 800;
  gap: 8px;
  min-height: 34px;
  padding: 0 10px;
}

.module span {
  background: #aeb8c7;
  border-radius: 99px;
  display: inline-block;
  height: 8px;
  width: 8px;
}

.module.enabled {
  background: var(--accent-soft);
  border-color: rgb(15 118 110 / 22%);
  color: var(--accent-dark);
}

.module.enabled span {
  background: var(--accent);
}

.operations-grid {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-bottom: 22px;
}

.operations-panel {
  min-height: 170px;
  padding: 18px;
}

.operations-panel ul {
  display: grid;
  gap: 10px;
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
}

.operations-panel li {
  align-items: flex-start;
  color: var(--ink);
  display: flex;
  font-size: 0.92rem;
  gap: 9px;
  line-height: 1.35;
}

.operations-panel li::before {
  background: var(--accent);
  border-radius: 99px;
  content: "";
  flex: 0 0 auto;
  height: 7px;
  margin-top: 6px;
  width: 7px;
}

.content-grid {
  align-items: start;
  display: grid;
  gap: 20px;
  grid-template-columns: 320px minmax(0, 1fr);
}

.form-stack {
  display: grid;
  gap: 20px;
}

.student-form {
  display: grid;
  gap: 14px;
  padding: 20px;
}

.checkbox-field {
  align-items: center;
  display: flex !important;
  gap: 10px;
  grid-template-columns: auto 1fr;
  text-transform: none !important;
}

.checkbox-field input {
  min-height: auto;
  width: auto;
}

.section-heading h2,
.table-title h2 {
  margin: 0;
}

.student-form label {
  color: var(--muted);
  display: grid;
  font-size: 0.8rem;
  font-weight: 800;
  gap: 6px;
  text-transform: uppercase;
}

.student-table {
  overflow: hidden;
}

.table-title {
  align-items: center;
  background: var(--panel);
  border-bottom: 1px solid var(--line-soft);
  display: flex;
  justify-content: space-between;
  min-height: 72px;
  padding: 16px 18px;
}

.table-title span {
  background: var(--amber-soft);
  border-radius: 6px;
  color: var(--amber-ink);
  font-size: 0.78rem;
  font-weight: 900;
  padding: 8px 10px;
}

.student-filters {
  align-items: end;
  border-bottom: 1px solid var(--line-soft);
  display: grid;
  gap: 12px;
  grid-template-columns: minmax(220px, 1fr) 180px auto;
  padding: 16px 18px;
}

.student-filters label {
  color: var(--muted);
  display: grid;
  font-size: 0.78rem;
  font-weight: 800;
  gap: 6px;
  text-transform: uppercase;
}

.student-table-scroll {
  border-bottom: 1px solid var(--line-soft);
  overflow-x: auto;
}

.student-row {
  display: grid;
  grid-template-columns: 150px minmax(220px, 1fr) 140px 126px;
  min-height: 54px;
}

.student-row + .student-row {
  border-top: 1px solid var(--line);
}

.student-row span {
  align-items: center;
  display: flex;
  min-width: 0;
  padding: 0 16px;
}

.student-row > span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.student-row.header {
  background: var(--panel-soft);
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 800;
  text-transform: uppercase;
}

.registration {
  color: var(--blue-ink);
  font-weight: 800;
}

.student-status {
  background: var(--success-bg);
  border-radius: 6px;
  color: var(--success-ink);
  font-size: 0.72rem;
  font-weight: 900;
  min-height: 26px;
  padding: 6px 8px;
}

.empty-state {
  align-items: center;
  color: var(--muted);
  display: flex;
  font-weight: 700;
  min-height: 140px;
  padding: 20px;
}

.guardian-list {
  background: var(--panel);
}

.guardian-row {
  align-items: center;
  border-top: 1px solid var(--line-soft);
  display: grid;
  gap: 12px;
  grid-template-columns: minmax(0, 1fr) auto;
  min-height: 68px;
  padding: 12px 18px;
}

.guardian-row strong,
.guardian-row span {
  display: block;
}

.guardian-row strong {
  font-size: 0.94rem;
}

.guardian-row div > span {
  color: var(--muted);
  font-size: 0.8rem;
  margin-top: 4px;
}

.guardian-flags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  justify-content: flex-end;
}

.guardian-flags span {
  background: var(--blue-soft);
  border-radius: 6px;
  color: var(--blue-ink);
  font-size: 0.72rem;
  font-weight: 900;
  padding: 6px 8px;
}

@media (max-width: 760px) {
  .shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    padding: 16px;
  }

  .brand {
    margin-bottom: 12px;
  }

  .brand-lockup {
    margin-bottom: 12px;
  }

  .workspace {
    padding: 18px;
  }

  .topbar {
    align-items: flex-start;
    flex-direction: column;
  }

  .summary-grid,
  .operations-grid,
  .content-grid,
  .student-filters {
    grid-template-columns: 1fr;
  }

  .guardian-row {
    grid-template-columns: 1fr;
  }

  .student-table {
    overflow-x: auto;
  }

  .student-row {
    min-width: 680px;
  }
}