:root {
  color-scheme: light;
  --bg: #f6f7f3;
  --panel: #ffffff;
  --ink: #1e2528;
  --muted: #667276;
  --line: #dfe5df;
  --teal: #146c65;
  --teal-soft: #dcefeb;
  --coral: #cf5b3f;
  --coral-soft: #fde6df;
  --amber: #ad7417;
  --amber-soft: #fff1cf;
  --blue: #355f9f;
  --blue-soft: #e5edf9;
  --shadow: 0 18px 55px rgba(30, 37, 40, 0.12);
  --radius: 8px;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
}

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

button {
  border: 0;
  cursor: pointer;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  color: var(--ink);
  padding: 10px 11px;
  outline: none;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--teal);
  box-shadow: 0 0 0 3px rgba(20, 108, 101, 0.15);
}

textarea {
  min-height: 96px;
  resize: vertical;
}

label {
  display: grid;
  gap: 7px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 650;
}

a {
  color: var(--teal);
}

.hidden {
  display: none !important;
}

.login-screen {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
  background:
    linear-gradient(135deg, rgba(20, 108, 101, 0.12), transparent 34%),
    linear-gradient(315deg, rgba(207, 91, 63, 0.13), transparent 38%),
    var(--bg);
}

.login-panel {
  width: min(420px, 100%);
  display: grid;
  gap: 18px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
  padding: 28px;
}

.login-panel h1,
.topbar h2 {
  margin: 0;
  letter-spacing: 0;
}

.eyebrow {
  margin: 0 0 5px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 760;
  text-transform: uppercase;
}

.form-error {
  min-height: 20px;
  margin: 0;
  color: #b02a1e;
  font-size: 13px;
  font-weight: 700;
}

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

.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  display: grid;
  grid-template-rows: auto 1fr auto;
  gap: 28px;
  padding: 22px 18px;
  background: #fff;
  border-right: 1px solid var(--line);
}

.brand {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 12px;
  align-items: center;
}

.brand-mark {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  background: var(--teal);
  color: #fff;
  font-weight: 850;
}

.brand strong,
.brand small {
  display: block;
}

.brand small {
  margin-top: 2px;
  color: var(--muted);
}

.main-nav {
  display: grid;
  align-content: start;
  gap: 7px;
}

.main-nav button,
.ghost,
.secondary,
.primary,
.danger,
.chip-button {
  min-height: 40px;
  border-radius: var(--radius);
  padding: 9px 12px;
  font-weight: 760;
  text-align: left;
}

.main-nav button {
  background: transparent;
  color: var(--muted);
}

.main-nav button.active,
.main-nav button:hover {
  background: var(--teal-soft);
  color: var(--teal);
}

.primary {
  background: var(--teal);
  color: #fff;
  text-align: center;
}

.secondary {
  background: var(--blue-soft);
  color: var(--blue);
  text-align: center;
}

.ghost {
  background: #f1f3ee;
  color: var(--ink);
  text-align: center;
}

.danger {
  background: var(--coral-soft);
  color: #a43725;
  text-align: center;
}

.workspace {
  min-width: 0;
  display: grid;
  grid-template-rows: auto 1fr;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 5;
  min-height: 88px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 18px 26px;
  background: rgba(246, 247, 243, 0.92);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
}

.top-actions {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.view-root {
  display: grid;
  gap: 18px;
  padding: 24px 26px 42px;
}

.active-alert-root {
  display: grid;
  gap: 10px;
  padding: 14px 26px 0;
}

.active-alert-root:empty {
  display: none;
}

.push-status-root {
  display: grid;
  gap: 10px;
  padding: 14px 26px 0;
}

.push-status-root:empty {
  display: none;
}

.push-panel {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  border: 1px solid #c5d5ef;
  border-left: 5px solid var(--blue);
  border-radius: var(--radius);
  background: #f7faff;
  padding: 13px 14px;
}

.push-panel strong {
  display: block;
  margin-bottom: 4px;
}

.push-panel .row-actions {
  flex: 0 0 auto;
}

.alert-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  border: 1px solid #efb4a4;
  border-left: 5px solid var(--coral);
  border-radius: var(--radius);
  background: #fff7f4;
  padding: 13px 14px;
}

.alert-banner strong {
  display: block;
  margin-bottom: 4px;
}

.alert-banner .row-actions {
  flex: 0 0 auto;
}

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

.stat {
  min-height: 112px;
  display: grid;
  align-content: space-between;
  gap: 12px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px;
}

.stat span {
  color: var(--muted);
  font-size: 13px;
  font-weight: 720;
}

.stat strong {
  font-size: 31px;
  line-height: 1;
}

.stat.teal {
  border-color: #b9d9d3;
  background: var(--teal-soft);
}

.stat.coral {
  border-color: #f2c5b8;
  background: var(--coral-soft);
}

.stat.amber {
  border-color: #ecd49d;
  background: var(--amber-soft);
}

.stat.blue {
  border-color: #c5d5ef;
  background: var(--blue-soft);
}

.split {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 16px;
  align-items: start;
}

.section,
.toolbar {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.section {
  padding: 16px;
}

.section-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}

.section-title h3 {
  margin: 0;
  font-size: 17px;
}

.toolbar {
  display: grid;
  grid-template-columns: minmax(220px, 1fr) 190px auto auto;
  gap: 10px;
  padding: 12px;
  align-items: center;
}

.toolbar.compact {
  grid-template-columns: minmax(220px, 1fr) 180px auto;
}

.toolbar.progress-toolbar {
  grid-template-columns: minmax(260px, 1fr) auto auto;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.data-table th,
.data-table td {
  padding: 13px 12px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
  font-size: 14px;
}

.data-table th {
  background: #f3f5f0;
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
}

.data-table tr:last-child td {
  border-bottom: 0;
}

.cell-title {
  display: grid;
  gap: 4px;
}

.cell-title strong {
  font-size: 15px;
}

.cell-title small,
.muted {
  color: var(--muted);
}

.row-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.chip-button {
  min-height: 34px;
  padding: 7px 9px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  text-align: center;
  font-size: 13px;
}

.badge {
  display: inline-flex;
  min-height: 25px;
  align-items: center;
  border-radius: 999px;
  padding: 3px 9px;
  font-size: 12px;
  font-weight: 760;
  background: #eef1ed;
  color: var(--muted);
  white-space: nowrap;
}

.badge.active {
  background: var(--teal-soft);
  color: var(--teal);
}

.badge.waiting {
  background: var(--amber-soft);
  color: var(--amber);
}

.badge.high,
.badge.overdue {
  background: var(--coral-soft);
  color: #a43725;
}

.badge.info {
  background: var(--blue-soft);
  color: var(--blue);
}

.cards {
  display: grid;
  gap: 10px;
}

.reminder-card,
.student-card,
.audit-row,
.user-row {
  display: grid;
  gap: 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 13px;
  background: #fff;
}

.reminder-card.overdue {
  border-color: #efb4a4;
  background: #fff7f4;
}

.reminder-head,
.inline-between {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.reminder-head strong {
  display: block;
  margin-bottom: 4px;
}

.meta-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  color: var(--muted);
  font-size: 13px;
}

.progress {
  width: 100%;
  height: 8px;
  overflow: hidden;
  border-radius: 999px;
  background: #e8ece7;
}

.progress span {
  display: block;
  height: 100%;
  background: var(--teal);
}

.progress-profile {
  display: grid;
  gap: 14px;
}

.progress-profile-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.progress-profile-head h3 {
  margin: 0;
  font-size: 22px;
}

.progress-summary-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}

.progress-summary-strip div {
  min-height: 84px;
  display: grid;
  align-content: space-between;
  gap: 10px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.progress-summary-strip span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 760;
}

.progress-summary-strip strong {
  font-size: 20px;
  line-height: 1.15;
}

.progress-history {
  display: grid;
  gap: 12px;
}

.progress-history-item {
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
}

.progress-history-date,
.progress-history-body {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.progress-history-date {
  display: grid;
  gap: 10px;
  justify-items: start;
  padding: 14px;
}

.progress-history-body {
  display: grid;
  gap: 14px;
  padding: 14px;
}

.progress-notes {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.progress-notes section {
  min-width: 0;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #f7faf8;
}

.progress-notes h4 {
  margin: 0 0 7px;
  color: var(--teal);
  font-size: 13px;
}

.progress-notes p {
  margin: 0;
  white-space: pre-wrap;
}

.empty {
  border: 1px dashed #cfd7cf;
  border-radius: var(--radius);
  padding: 22px;
  text-align: center;
  color: var(--muted);
  background: #fff;
}

.modal-root {
  position: fixed;
  inset: 0;
  z-index: 20;
  display: grid;
  place-items: start center;
  overflow: auto;
  padding: 28px 18px;
  background: rgba(20, 24, 25, 0.42);
}

.modal-card {
  width: min(820px, 100%);
  display: grid;
  gap: 16px;
  border-radius: var(--radius);
  background: #fff;
  box-shadow: var(--shadow);
  padding: 18px;
}

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

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.modal-header h3 {
  margin: 0;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 13px;
}

.form-grid .wide {
  grid-column: 1 / -1;
}

.check-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 9px;
}

.permission-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 9px;
}

.check-item {
  display: flex;
  align-items: center;
  gap: 9px;
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 10px;
  font-size: 13px;
}

.check-item input {
  width: auto;
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  flex-wrap: wrap;
}

.toast-root {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 40;
  display: grid;
  gap: 10px;
}

.toast {
  width: min(360px, calc(100vw - 36px));
  border: 1px solid var(--line);
  border-left: 4px solid var(--teal);
  border-radius: var(--radius);
  background: #fff;
  box-shadow: var(--shadow);
  padding: 12px 14px;
  font-weight: 700;
}

.toast.error {
  border-left-color: var(--coral);
}

.settings-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  align-items: start;
}

.audit-list {
  display: grid;
  gap: 8px;
  max-height: 460px;
  overflow: auto;
}

.user-form {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr)) auto;
  gap: 10px;
  align-items: end;
  margin-bottom: 14px;
}

.user-form .wide {
  grid-column: 1 / -1;
}

@media (max-width: 980px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
    height: auto;
    grid-template-columns: 1fr;
    gap: 14px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .main-nav {
    display: flex;
    overflow-x: auto;
    padding-bottom: 2px;
  }

  .main-nav button {
    white-space: nowrap;
  }

  .topbar {
    position: static;
    align-items: stretch;
    flex-direction: column;
  }

  .top-actions {
    justify-content: stretch;
  }

  .top-actions button {
    flex: 1 1 150px;
  }

  .stats-grid,
  .split,
  .settings-grid {
    grid-template-columns: 1fr;
  }

  .toolbar,
  .toolbar.compact,
  .toolbar.progress-toolbar,
  .user-form {
    grid-template-columns: 1fr;
  }

  .progress-summary-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .progress-profile-head {
    align-items: stretch;
    flex-direction: column;
  }
}

@media (max-width: 720px) {
  .view-root,
  .active-alert-root,
  .push-status-root,
  .topbar {
    padding-left: 16px;
    padding-right: 16px;
  }

  .push-panel,
  .alert-banner {
    align-items: stretch;
    flex-direction: column;
  }

  .stats-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .data-table,
  .data-table tbody,
  .data-table tr,
  .data-table td {
    display: block;
    width: 100%;
  }

  .data-table thead {
    display: none;
  }

  .data-table tr {
    border-bottom: 1px solid var(--line);
    padding: 10px;
  }

  .data-table td {
    border-bottom: 0;
    padding: 7px 2px;
  }

  .form-grid,
  .check-grid,
  .permission-grid {
    grid-template-columns: 1fr;
  }

  .progress-history-item,
  .progress-notes,
  .progress-summary-strip {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 430px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }

  .login-panel {
    padding: 20px;
  }
}