:root {
  --navy: #0b3260;
  --blue: #1d4ed8;
  --gold: #d4af37;
  --text: #0f172a;
  --muted: #64748b;
  --line: #dbe3ee;
  --surface: #ffffff;
  --background: #f4f7fb;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  color: var(--text);
  background: var(--background);
  font-family: Arial, Helvetica, sans-serif;
}
.student-app { min-height: 100vh; }
.student-topbar {
  display: flex;
  align-items: center;
  gap: 16px;
  min-height: 64px;
  padding: 12px 28px;
  color: #fff;
  background: var(--navy);
}
.student-brand { font-weight: 800; }
.student-brand small { display: block; margin-top: 2px; font-weight: 500; opacity: .85; }
.student-user { margin-left: auto; display: flex; align-items: center; gap: 12px; }
.student-content { max-width: 1050px; margin: 0 auto; padding: 34px 22px 60px; }
.page-heading { margin-bottom: 24px; }
.page-heading h1 { margin: 0 0 8px; font-size: 2rem; }
.page-heading p { margin: 0; color: var(--muted); line-height: 1.5; }
.panel {
  margin-bottom: 20px;
  padding: 22px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 14px;
}
.card-list { display: grid; gap: 14px; }
.item-card {
  padding: 16px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 10px;
}
.item-card h3 { margin: 0 0 6px; }
.item-card p { margin: 4px 0; }
.muted { color: var(--muted); }
.empty { color: var(--muted); padding: 12px 0; }
.link-button {
  color: inherit;
  background: transparent;
  border: 0;
  text-decoration: underline;
  cursor: pointer;
}
.portal-context-switcher {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 700;
}
.portal-context-switcher select {
  min-height: 34px;
  padding: 5px 8px;
  border: 1px solid rgba(255,255,255,.5);
  border-radius: 8px;
  background: #fff;
  color: var(--text);
}
.login-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}
.login-card {
  width: min(560px, 100%);
  padding: 32px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 16px;
  box-shadow: 0 18px 45px rgba(15,23,42,.09);
}
.login-card h1 { margin-top: 0; }
.login-card p { color: #475569; line-height: 1.6; }
.primary-button {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  padding: 10px 18px;
  color: #fff;
  background: var(--navy);
  border: 0;
  border-radius: 9px;
  font-weight: 700;
  cursor: pointer;
}
.message {
  margin: 14px 0;
  padding: 12px 14px;
  border-radius: 8px;
}
.message.error { color: #991b1b; background: #fee2e2; }
@media (max-width: 720px) {
  .student-topbar { flex-wrap: wrap; padding: 12px 16px; }
  .student-user { width: 100%; margin-left: 0; justify-content: space-between; }
  .student-content { padding: 24px 14px 48px; }
}

/* Sprint 6.6E2 assignment workflow/history */
.assignment-page-nav,.assignment-filters,.assignment-admin-filters{display:flex;gap:12px;align-items:end;flex-wrap:wrap;margin-bottom:18px}.assignment-page-nav{align-items:center}.assignment-page-nav a{font-weight:700;text-decoration:none}.assignment-page-nav a[aria-current="page"]{text-decoration:underline}.assignment-list{display:grid;gap:14px}.assignment-card{display:flex;justify-content:space-between;gap:18px;align-items:center;border:1px solid var(--line,#d7dee8);border-radius:12px;padding:16px}.assignment-card h3{margin:0 0 7px}.assignment-card p{margin:4px 0}.assignment-detail-grid{display:grid;grid-template-columns:2fr 1fr;gap:24px}.assignment-check-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:8px}.assignment-check{display:flex;gap:8px;align-items:center;padding:9px;border:1px solid var(--line,#d7dee8);border-radius:8px}.assignment-check input{width:auto}.assignment-workflow-grid{margin-bottom:14px}.assignment-admin-filters label,.assignment-filters label{min-width:150px}.hidden{display:none!important}.status.SUBMITTED_FOR_REVIEW{background:#fef3c7;color:#92400e}.status.COMPLETED{background:#dcfce7;color:#166534}.status.NOT_COMPLETED{background:#e2e8f0;color:#475569}@media(max-width:700px){.assignment-card,.assignment-detail-grid{display:block}.assignment-card button{margin-top:12px;width:100%}}

/* Sprint 6.6E2 consolidated hotfix */
.priority-tabs{display:flex;gap:8px;flex-wrap:wrap;margin:0 0 18px;border-bottom:1px solid var(--line)}.priority-tabs button{border:0;border-bottom:3px solid transparent;background:transparent;color:#475569;padding:11px 12px;font-weight:800;cursor:pointer}.priority-tabs button.active{color:var(--navy);border-bottom-color:#c9a227}.priority-tabs span{display:inline-grid;place-items:center;min-width:24px;height:24px;padding:0 6px;border-radius:999px;background:#e2e8f0;font-size:.78rem}.priority-summary-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin-bottom:18px}.priority-summary{display:grid;gap:4px;padding:18px;text-decoration:none;background:#fff;border:1px solid var(--line);border-radius:12px}.priority-summary strong{font-size:1.8rem;color:var(--navy)}.priority-summary.attention{border-color:#f2c66d;background:#fffbeb}.clickable-card{cursor:pointer}.clickable-card:hover{border-color:#93a4b8;box-shadow:0 5px 15px rgba(15,23,42,.07)}.clickable-card:focus-visible{outline:3px solid #93c5fd}.open-cue{font-weight:800;color:var(--navy);white-space:nowrap}.status-badge{display:inline-flex;white-space:nowrap;padding:4px 9px;border-radius:999px;font-size:.82rem;font-weight:800}.status-badge.NOT_COMPLETED{background:#e2e8f0;color:#475569}.status-badge.SUBMITTED_FOR_REVIEW{background:#fef3c7;color:#92400e}.status-badge.COMPLETED{background:#dcfce7;color:#166534}.local-message{margin:12px 0}.dashboard-assignment{text-decoration:none;color:inherit}button:disabled,.primary-button:disabled{opacity:.55!important;cursor:not-allowed!important;background:#e2e8f0!important;color:#64748b!important;border-color:#cbd5e1!important;box-shadow:none!important;transform:none!important}button:disabled:hover,.primary-button:disabled:hover{background:#e2e8f0!important;color:#64748b!important;box-shadow:none!important;transform:none!important}@media(max-width:720px){.priority-summary-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}