:root {
  /* CSLINC brand: csinc.ie — navy identity, white classroom canvas, grey callouts. */
  --bg: #ffffff;
  --surface: #ffffff;
  --surface-muted: #eeeeee;
  --border: #d9d9d9;
  --text: #333333;
  --muted: #4a5f6a;
  --primary: #004c6c;
  --primary-contrast: #ffffff;
  --accent: #428bca;
  --danger: #dc2626;
  --success: #16a34a;
  --warning: #d97706;
  --radius: 8px;
  --shadow: 0 2px 6px rgba(0, 76, 108, 0.08);
  --font: "Work Sans", "Helvetica Neue", Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

html {
  scrollbar-color: var(--primary) var(--surface-muted);
}

body {
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  line-height: 1.55;
  caret-color: var(--primary);
}

::selection {
  background: var(--primary);
  color: var(--primary-contrast);
}

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

a {
  color: var(--primary);
  text-decoration: none;
  text-underline-offset: 0.18em;
}
a:hover { text-decoration: underline; }

.app-header {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 0.85rem 1.75rem;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}

.brand {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}
.brand:hover { text-decoration: none; }
.brand-logo {
  display: block;
  height: 52px;
  width: auto;
}

.app-nav {
  display: flex;
  gap: 1rem;
  flex: 1;
}

.nav-link {
  color: var(--primary);
  padding: 0.35rem 0.15rem;
  border-bottom: 2px solid transparent;
  letter-spacing: 0.06em;
  font-size: 0.92rem;
  font-weight: 500;
}
.nav-link:hover { color: var(--primary); text-decoration: none; border-bottom-color: var(--primary); }
.nav-link.active { color: var(--primary); border-bottom-color: var(--primary); }

.header-right {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-left: auto;
}

.user-chip { color: var(--muted); font-size: 0.9rem; }

.notif-bell {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  color: var(--text);
  border-radius: 50%;
}
.notif-bell:hover { text-decoration: none; background: var(--surface-muted); }
.notif-badge {
  position: absolute;
  top: 0.1rem;
  right: 0.1rem;
  min-width: 1.1rem;
  height: 1.1rem;
  padding: 0 0.25rem;
  border-radius: 999px;
  background: var(--danger);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  line-height: 1.1rem;
  text-align: center;
}

.notif-list { list-style: none; padding: 0; margin: 1rem 0 0; }
.notif-item {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem 0;
  border-bottom: 1px solid var(--border);
}
.notif-item:last-child { border-bottom: none; }
.notif-item.unread { background: var(--surface-muted); }
.notif-item p { margin: 0.25rem 0; }
.notif-actions { display: flex; gap: 0.5rem; flex-wrap: wrap; flex-shrink: 0; }

.app-main {
  max-width: 1200px;
  margin: 1.5rem auto;
  padding: 0 1.5rem;
}

body.is-landing .app-main {
  max-width: none;
  margin: 0;
  padding: 0;
}

.app-footer {
  max-width: 1200px;
  margin: 2rem auto;
  padding: 1rem 1.5rem 2rem;
  color: var(--muted);
  font-size: 0.85rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
}
body.is-landing .app-footer {
  max-width: 1080px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 0.9rem;
  border-radius: var(--radius);
  border: 1px solid var(--primary);
  background: var(--primary);
  color: var(--primary-contrast);
  font-size: 0.9rem;
  font-family: inherit;
  cursor: pointer;
}
.btn:hover { text-decoration: none; filter: brightness(0.96); }
.btn-ghost { background: transparent; color: var(--primary); border-color: var(--primary); }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.25rem;
}

.messages { list-style: none; padding: 0; margin: 0 0 1rem; }
.message {
  padding: 0.6rem 0.9rem;
  border-radius: var(--radius);
  margin-bottom: 0.5rem;
  border: 1px solid var(--border);
  background: var(--surface);
}
.message.error { border-color: var(--danger); color: var(--danger); }
.message.success { border-color: var(--success); color: var(--success); }
.message.warning { border-color: var(--warning); color: var(--warning); }

table.data-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.data-table th, .data-table td {
  text-align: left;
  padding: 0.7rem 0.9rem;
  border-bottom: 1px solid var(--border);
}
.data-table th { color: var(--muted); font-weight: 600; font-size: 0.85rem; }

.muted { color: var(--muted); }

.auth-wrap {
  display: flex;
  justify-content: center;
  padding-top: 3rem;
}
.auth-card { width: 100%; max-width: 380px; }
.auth-card h1 { margin-top: 0; }

.field { margin-bottom: 1rem; display: flex; flex-direction: column; gap: 0.35rem; }
.field label { font-size: 0.9rem; color: var(--muted); }
.field input, .field select {
  padding: 0.55rem 0.7rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.95rem;
  font-family: inherit;
}
.field input:focus, .field select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0, 76, 108, 0.18);
}
.field-error { color: var(--danger); font-size: 0.8rem; }

.choice-actions { display: flex; flex-direction: column; gap: 0.75rem; }

.autocomplete-results {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-top: 0.25rem;
  max-height: 240px;
  overflow-y: auto;
  background: var(--surface);
  box-shadow: var(--shadow);
}
.autocomplete-item {
  display: block;
  width: 100%;
  text-align: left;
  padding: 0.5rem 0.7rem;
  border: none;
  background: transparent;
  cursor: pointer;
  font-size: 0.9rem;
}
.autocomplete-item:hover { background: var(--surface-muted); }

.card-head { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.card-head h1, .card-head h2 { margin: 0; }

.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}
.kpi {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  text-decoration: none;
  color: inherit;
  transition: box-shadow 0.15s, transform 0.15s;
}
.kpi:hover { text-decoration: none; box-shadow: 0 4px 12px rgba(0, 76, 108, 0.12); transform: translateY(-1px); }
.kpi-value { font-size: 1.9rem; font-weight: 700; color: var(--text); }
.kpi-label { color: var(--muted); font-size: 0.85rem; }

.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 1rem;
  margin-top: 0.5rem;
}
.stat-grid > div { display: flex; flex-direction: column; }

.toolbar { display: flex; gap: 0.5rem; margin: 1rem 0; flex-wrap: wrap; }
.toolbar input, .toolbar select {
  padding: 0.5rem 0.7rem; border: 1px solid var(--border); border-radius: var(--radius);
}

.tabs { display: flex; gap: 0.5rem; margin: 1rem 0; flex-wrap: wrap; }
.tab {
  padding: 0.4rem 0.8rem; border: 1px solid var(--border); border-radius: var(--radius);
  color: var(--muted); background: var(--surface);
}
.tab.active { color: var(--primary-contrast); background: var(--primary); border-color: var(--primary); }
.tab:hover { text-decoration: none; }

.activity-list { list-style: none; padding: 0; margin: 0; }
.activity-item {
  display: flex; gap: 0.6rem; align-items: baseline;
  padding: 0.5rem 0; border-bottom: 1px solid var(--border);
}
.activity-item:last-child { border-bottom: none; }
.activity-action { font-weight: 600; }
.activity-time { margin-left: auto; font-size: 0.85rem; }

.info-list { padding-left: 1.25rem; }
.info-list li { margin-bottom: 0.5rem; }

.clickable { cursor: pointer; }
.data-table tr.clickable:hover { background: var(--surface-muted); }

.impersonation-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.65rem 1.5rem;
  background: #7c2d12;
  color: #fff7ed;
  font-size: 0.95rem;
}
.impersonation-banner .btn { border-color: #fed7aa; color: #fff7ed; }

.search-form {
  display: flex;
  gap: 0.5rem;
  margin: 1rem 0;
  flex-wrap: wrap;
}
.search-form input, .search-form select {
  padding: 0.5rem 0.7rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.inline-form { display: inline; }
.link-button {
  background: none;
  border: none;
  color: var(--primary);
  cursor: pointer;
  padding: 0;
  font: inherit;
}
.link-button:hover { text-decoration: underline; }

.pagination { display: flex; gap: 1rem; align-items: center; margin: 1rem 0; }
.stacked-form { max-width: 480px; }
.form-actions { display: flex; gap: 0.5rem; margin-top: 1rem; }
.error-cell { color: var(--danger); font-size: 0.85rem; max-width: 28rem; }
.panel { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 1rem; margin: 1rem 0; }

/* Public home — two-column intro + grey register callout, from csinc.ie/Home/CSLINC */
.landing-wrap {
  max-width: 1080px;
  margin: 0 auto;
  padding: 2.25rem 1.5rem 3rem;
}
.landing-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(16rem, 0.85fr);
  gap: 3rem;
  align-items: start;
}
.landing-intro h1 {
  margin: 0 0 1.1rem;
  font-size: clamp(1.45rem, 2.4vw, 1.85rem);
  font-weight: 500;
  line-height: 1.3;
  max-width: 38rem;
}
.landing-intro p {
  margin: 0 0 1rem;
  max-width: 68ch;
}
.landing-aside {
  background: var(--surface-muted);
  border-radius: var(--radius);
  padding: 1.75rem 1.5rem 2rem;
}
.landing-aside p { margin: 0 0 0.75rem; }
.landing-register-link {
  display: block;
  font-size: 1.85rem;
  font-weight: 500;
  color: var(--accent);
  line-height: 1.2;
  margin: 0.35rem 0 1rem;
}
.landing-register-link:hover { color: var(--primary); }
.landing-aside .btn { margin-top: 0.35rem; }

.landing-section { margin-top: 2.75rem; }
.landing-section h2 {
  margin: 0 0 0.75rem;
  font-size: 1.15rem;
  font-weight: 600;
}
.landing-section p { margin: 0 0 1rem; max-width: 72ch; }

.module-list {
  columns: 2;
  column-gap: 2.5rem;
  margin: 0;
  padding-left: 1.2rem;
}
.module-list li {
  break-inside: avoid;
  margin-bottom: 0.45rem;
}

.landing-paths {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-top: 1rem;
}
.landing-path {
  padding: 0;
  border: 0;
  background: transparent;
  box-shadow: none;
}
.landing-path h2 { margin: 0 0 0.5rem; font-size: 1.15rem; }
.landing-path p { margin: 0 0 1rem; }

.landing-login {
  background: var(--primary);
  color: var(--primary-contrast);
  margin-top: 3rem;
}
.landing-login a { color: var(--primary-contrast); }
.landing-login-inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
}
.landing-login h2 {
  margin: 0 0 0.4rem;
  font-size: 1.5rem;
  font-weight: 500;
}
.landing-login p { margin: 0; max-width: 60ch; }
.landing-login .btn {
  margin-top: 1rem;
  background: var(--primary-contrast);
  color: var(--primary);
  border-color: var(--primary-contrast);
}

@media (max-width: 800px) {
  .landing-hero,
  .landing-paths { grid-template-columns: 1fr; gap: 1.75rem; }
  .module-list { columns: 1; }
  .app-header {
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: center;
    row-gap: 0.65rem;
  }
  .app-nav {
    grid-column: 1 / -1;
    flex-wrap: wrap;
  }
}