:root {
  --co-primary: #79D34E;
  --co-primary-strong: #62BF3E;
  --co-primary-soft: #EAF8E3;
  --co-ink: #223046;
  --co-muted: #667085;
  --co-border: #DDE3EA;
  --co-bg: #F7F9F8;
  --co-surface: #FFFFFF;
  --co-surface-soft: #F2F6F3;
  --co-red: #F25C54;
  --co-shadow: 0 8px 24px rgba(34, 48, 70, .07);
  --co-radius: 14px;
}

* { box-sizing: border-box; }

body.campusone-shell {
  margin: 0;
  background: var(--co-bg);
  color: var(--co-ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.co-topbar {
  position: sticky;
  top: 0;
  z-index: 40;
  border-bottom: 1px solid var(--co-border);
  background: rgba(255,255,255,.96);
  backdrop-filter: blur(12px);
}

.co-topbar-inner {
  max-width: 1480px;
  min-height: 66px;
  margin: 0 auto;
  padding: 0 22px;
  display: flex;
  align-items: center;
  gap: 24px;
}

.co-brand {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  flex: 0 0 auto;
  color: var(--co-primary-strong);
  text-decoration: none;
  font-size: 1.28rem;
  font-weight: 850;
  letter-spacing: -.035em;
}

.co-brand-mark {
  position: relative;
  width: 25px;
  height: 27px;
  display: inline-block;
}

.co-apple-body {
  position: absolute;
  left: 3px;
  top: 8px;
  width: 19px;
  height: 17px;
  border-radius: 48% 48% 52% 52%;
  background: var(--co-red);
  transform: rotate(-2deg);
}

.co-apple-body::before {
  content: "";
  position: absolute;
  left: 8px;
  top: -4px;
  width: 4px;
  height: 7px;
  border-radius: 4px;
  background: var(--co-ink);
  transform: rotate(12deg);
}

.co-apple-leaf {
  position: absolute;
  left: 14px;
  top: 2px;
  width: 9px;
  height: 6px;
  border-radius: 100% 0 100% 0;
  background: var(--co-primary-strong);
  transform: rotate(-16deg);
}

.co-main-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
  min-width: 0;
}

.co-main-nav > a,
.co-nav-menu > summary {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 0 10px;
  border-radius: 9px;
  color: var(--co-muted);
  text-decoration: none;
  font-size: .78rem;
  font-weight: 700;
  cursor: pointer;
  list-style: none;
}

.co-main-nav > a:hover,
.co-nav-menu > summary:hover {
  background: var(--co-primary-soft);
  color: var(--co-primary-strong);
}

.co-nav-menu,
.co-user-menu {
  position: relative;
}

.co-nav-menu > summary::-webkit-details-marker,
.co-user-menu > summary::-webkit-details-marker {
  display: none;
}

.co-nav-popover,
.co-user-popover {
  position: absolute;
  top: calc(100% + 8px);
  min-width: 190px;
  padding: 7px;
  border: 1px solid var(--co-border);
  border-radius: 12px;
  background: #fff;
  box-shadow: var(--co-shadow);
}

.co-nav-popover {
  left: 0;
}

.co-user-popover {
  right: 0;
  min-width: 210px;
}

.co-nav-popover a,
.co-user-popover a,
.co-user-popover button {
  display: block;
  width: 100%;
  padding: 9px 10px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: var(--co-ink);
  text-decoration: none;
  text-align: left;
  font: inherit;
  font-size: .75rem;
  cursor: pointer;
}

.co-nav-popover a:hover,
.co-user-popover a:hover,
.co-user-popover button:hover {
  background: var(--co-surface-soft);
}

.co-user-area {
  display: flex;
  align-items: center;
  gap: 7px;
  margin-left: auto;
}

.co-notification-link {
  color: var(--co-primary-strong);
  text-decoration: none;
  font-size: .9rem;
}

.co-user-menu > summary {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  list-style: none;
}

.co-user-avatar {
  display: inline-flex;
  width: 34px;
  height: 34px;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--co-primary-soft);
  color: var(--co-primary-strong);
  font-size: .77rem;
  font-weight: 850;
}

.co-user-copy {
  display: flex;
  flex-direction: column;
  gap: 1px;
  max-width: 150px;
}

.co-user-copy strong {
  overflow: hidden;
  color: var(--co-ink);
  font-size: .7rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.co-user-copy small {
  color: var(--co-muted);
  font-size: .61rem;
}

.co-main {
  min-height: calc(100vh - 126px);
}

.co-page {
  max-width: 1380px;
  margin: 0 auto;
  padding: 24px 22px 42px;
}

.co-welcome {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 16px;
  padding: 22px 24px;
  border: 1px solid var(--co-border);
  border-radius: var(--co-radius);
  background: var(--co-surface);
}

.co-welcome.compact {
  margin-bottom: 12px;
}

.co-eyebrow {
  display: block;
  margin-bottom: 4px;
  color: var(--co-primary-strong);
  font-size: .65rem;
  font-weight: 850;
  letter-spacing: .1em;
}

.co-welcome h1,
.co-card h2 {
  margin: 0;
  color: var(--co-ink);
  letter-spacing: -.025em;
}

.co-welcome h1 {
  font-size: clamp(1.4rem, 2.2vw, 2rem);
}

.co-welcome p {
  margin: 5px 0 0;
  color: var(--co-muted);
  font-size: .78rem;
}

.co-primary-btn,
.co-secondary-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  padding: 0 14px;
  border-radius: 9px;
  text-decoration: none;
  font-size: .73rem;
  font-weight: 800;
}

.co-primary-btn {
  background: var(--co-primary);
  color: #17340d;
}

.co-metric-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 12px;
}

.co-metric {
  display: flex;
  min-height: 116px;
  flex-direction: column;
  gap: 4px;
  padding: 15px;
  border: 1px solid var(--co-border);
  border-radius: 12px;
  background: var(--co-surface);
  color: inherit;
  text-decoration: none;
}

.co-metric:hover {
  border-color: #bfddb1;
}

.co-metric span,
.co-stat-list span {
  color: var(--co-muted);
  font-size: .68rem;
}

.co-metric strong {
  margin-top: 6px;
  color: var(--co-ink);
  font-size: 1.55rem;
}

.co-metric small {
  margin-top: auto;
  color: var(--co-muted);
  font-size: .63rem;
}

.co-two-col {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(320px, .8fr);
  gap: 12px;
  margin-bottom: 12px;
}

.co-card {
  padding: 16px;
  border: 1px solid var(--co-border);
  border-radius: var(--co-radius);
  background: var(--co-surface);
}

.co-section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
}

.co-section-head h2 {
  font-size: 1rem;
}

.co-section-head a {
  color: var(--co-primary-strong);
  text-decoration: none;
  font-size: .68rem;
  font-weight: 800;
}

.co-course-list,
.co-agenda,
.co-stat-list,
.co-people-list {
  display: grid;
  gap: 7px;
}

.co-course-row {
  display: grid;
  grid-template-columns: 54px 1fr auto;
  gap: 10px;
  align-items: center;
  padding: 10px;
  border: 1px solid var(--co-border);
  border-radius: 10px;
  color: inherit;
  text-decoration: none;
}

.co-course-code {
  display: flex;
  min-height: 38px;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  background: var(--co-primary-soft);
  color: var(--co-primary-strong);
  font-size: .67rem;
  font-weight: 850;
}

.co-course-main {
  min-width: 0;
}

.co-course-main strong,
.co-agenda-row strong,
.co-link-grid strong,
.co-module-grid strong,
.co-person-row strong {
  display: block;
  color: var(--co-ink);
  font-size: .75rem;
}

.co-course-main small,
.co-agenda-row small,
.co-link-grid span,
.co-module-grid span,
.co-person-row small {
  display: block;
  margin-top: 2px;
  color: var(--co-muted);
  font-size: .63rem;
}

.co-mini-progress {
  height: 5px;
  margin-top: 7px;
  overflow: hidden;
  border-radius: 999px;
  background: #edf1ee;
}

.co-mini-progress span {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: var(--co-primary);
}

.co-course-progress {
  color: var(--co-primary-strong);
  font-size: .7rem;
  font-weight: 850;
}

.co-agenda-row {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 9px;
  align-items: center;
  padding: 8px;
  border: 1px solid var(--co-border);
  border-radius: 10px;
  color: inherit;
  text-decoration: none;
}

.co-date-box {
  display: flex;
  min-height: 42px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  background: var(--co-surface-soft);
}

.co-date-box strong {
  font-size: .82rem;
}

.co-date-box span {
  color: var(--co-muted);
  font-size: .58rem;
  text-transform: uppercase;
}

.co-link-grid,
.co-module-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  margin-top: 10px;
}

.co-module-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.co-module-grid.large {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.co-link-grid a,
.co-module-grid a {
  min-height: 88px;
  padding: 12px;
  border: 1px solid var(--co-border);
  border-radius: 10px;
  background: #fff;
  color: inherit;
  text-decoration: none;
}

.co-link-grid a:hover,
.co-module-grid a:hover {
  border-color: #bfddb1;
  background: #fbfef9;
}

.co-stat-list > div {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 9px 0;
  border-bottom: 1px solid var(--co-border);
}

.co-stat-list > div:last-child {
  border-bottom: 0;
}

.co-person-row {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 8px 0;
  border-bottom: 1px solid var(--co-border);
}

.co-person-row:last-child {
  border-bottom: 0;
}

.co-person-avatar {
  display: flex;
  width: 34px;
  height: 34px;
  align-items: center;
  justify-content: center;
  flex: 0 0 34px;
  border-radius: 50%;
  background: var(--co-primary-soft);
  color: var(--co-primary-strong);
  font-size: .65rem;
  font-weight: 850;
}

.co-empty {
  padding: 14px;
  color: var(--co-muted);
  font-size: .7rem;
  text-align: center;
}

.co-flash-wrap {
  max-width: 1380px;
  margin: 10px auto 0;
  padding: 0 22px;
}

.co-flash {
  padding: 10px 12px;
  border: 1px solid var(--co-border);
  border-radius: 9px;
  background: #fff;
  color: var(--co-ink);
  font-size: .72rem;
}

.co-flash.success {
  border-color: #cce9be;
  background: var(--co-primary-soft);
}

.co-flash.error {
  border-color: #f0c2be;
  background: #fff5f4;
}

.co-footer {
  display: flex;
  max-width: 1380px;
  margin: 0 auto;
  padding: 14px 22px 22px;
  align-items: center;
  justify-content: space-between;
  color: var(--co-muted);
  font-size: .64rem;
}

/* Make legacy CampusOne pages feel at home inside the final shell. */
.page {
  max-width: 1380px !important;
  margin: 0 auto !important;
  padding: 24px 22px 42px !important;
}

.card,
.panel {
  border-color: var(--co-border) !important;
  border-radius: 12px !important;
  box-shadow: none !important;
}

table {
  border-collapse: collapse;
}

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

@media (max-width: 1050px) {
  .co-main-nav {
    overflow-x: auto;
    scrollbar-width: none;
  }

  .co-user-copy {
    display: none;
  }

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

  .co-module-grid,
  .co-module-grid.large {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  .co-topbar-inner {
    min-height: auto;
    padding: 10px 14px;
    flex-wrap: wrap;
    gap: 8px 12px;
  }

  .co-brand {
    font-size: 1.1rem;
  }

  .co-main-nav {
    order: 3;
    width: 100%;
  }

  .co-user-area {
    margin-left: auto;
  }

  .co-page {
    padding: 16px 12px 34px;
  }

  .co-welcome {
    align-items: flex-start;
    flex-direction: column;
    padding: 16px;
  }

  .co-metric-grid,
  .co-two-col,
  .co-link-grid,
  .co-module-grid,
  .co-module-grid.large {
    grid-template-columns: 1fr;
  }

  .co-course-row {
    grid-template-columns: 48px 1fr auto;
  }

  .co-footer {
    padding-left: 14px;
    padding-right: 14px;
  }
}