.academic-command-center {
  margin: 0 0 var(--space-5, 20px);
  padding: var(--space-5, 20px);
  border: 1px solid var(--border-color, rgba(255, 255, 255, 0.12));
  border-radius: var(--radius-xl, 20px);
  background: var(--glass-bg, rgba(255, 255, 255, 0.07));
  box-shadow: var(--shadow-sm, 0 8px 24px rgba(0, 0, 0, 0.08));
}

.acc-header,
.acc-top-action,
.acc-course-head,
.acc-ranked-row,
.acc-actions,
.acc-summary {
  display: flex;
  align-items: center;
}

.acc-header { justify-content: space-between; gap: 16px; }
.acc-header h2 { margin: 3px 0 4px; font-size: clamp(1.2rem, 2vw, 1.55rem); }
.acc-header p { margin: 0; color: var(--text-muted); font-size: 0.9rem; }
.acc-eyebrow { color: var(--accent-strong, #6f8cff); font-size: 0.72rem; font-weight: 800; letter-spacing: 0.08em; text-transform: uppercase; }
.acc-refresh { width: 40px; height: 40px; border: 1px solid var(--border-color); border-radius: 12px; background: var(--surface-raised, rgba(255,255,255,.08)); color: inherit; cursor: pointer; }
.acc-refresh:hover { transform: translateY(-1px); }

.acc-summary { gap: 8px; flex-wrap: wrap; margin: 14px 0; }
.acc-summary span { padding: 6px 10px; border-radius: 999px; background: var(--surface-muted, rgba(127,127,127,.1)); color: var(--text-muted); font-size: 0.8rem; }
.acc-summary b { color: var(--text-primary, inherit); }

.acc-top-action { gap: 14px; padding: 15px; border-radius: 16px; background: color-mix(in srgb, var(--accent-strong, #6f8cff) 11%, transparent); border: 1px solid color-mix(in srgb, var(--accent-strong, #6f8cff) 28%, transparent); }
.acc-top-icon { display: grid; place-items: center; width: 42px; height: 42px; border-radius: 13px; color: var(--accent-strong, #6f8cff); background: var(--surface-raised, rgba(255,255,255,.1)); }
.acc-top-copy { display: flex; flex: 1; min-width: 0; flex-direction: column; gap: 2px; }
.acc-top-copy small { color: var(--text-muted); text-transform: uppercase; letter-spacing: .06em; font-weight: 700; }
.acc-top-copy strong { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.acc-top-copy span { color: var(--text-muted); font-size: .84rem; }

.acc-actions { gap: 7px; flex-wrap: wrap; justify-content: flex-end; }
.acc-btn { min-height: 36px; padding: 7px 11px; border-radius: 10px; border: 1px solid var(--border-color); background: var(--surface-raised, rgba(255,255,255,.08)); color: inherit; font: inherit; font-size: .82rem; cursor: pointer; }
.acc-btn-primary { background: var(--accent-strong, #6f8cff); border-color: transparent; color: #fff; }
.acc-btn:hover { transform: translateY(-1px); }
.acc-btn:active { transform: scale(.98); }
.acc-btn-compact { min-height: 32px; padding: 5px 9px; }

.acc-ranked-list { display: grid; gap: 7px; margin: 12px 0 0; padding: 0; list-style: none; }
.acc-ranked-row { gap: 10px; padding: 9px 10px; border-radius: 12px; background: var(--surface-muted, rgba(127,127,127,.07)); }
.acc-rank { display: grid; place-items: center; width: 25px; height: 25px; border-radius: 8px; background: var(--surface-raised, rgba(255,255,255,.09)); color: var(--text-muted); font-size: .75rem; font-weight: 800; }
.acc-ranked-copy { display: flex; flex: 1; min-width: 0; flex-direction: column; }
.acc-ranked-copy strong { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: .9rem; }
.acc-ranked-copy small { color: var(--text-muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.acc-course-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 10px; margin-top: 16px; }
.acc-course-card { display: flex; flex-direction: column; gap: 7px; min-width: 0; padding: 13px; text-align: left; color: inherit; background: var(--surface-raised, rgba(255,255,255,.055)); border: 1px solid var(--border-color); border-radius: 15px; cursor: pointer; }
.acc-course-card:hover { transform: translateY(-2px); border-color: color-mix(in srgb, var(--accent-strong, #6f8cff) 45%, var(--border-color)); }
.acc-course-card:focus-visible, .acc-btn:focus-visible, .acc-refresh:focus-visible { outline: 3px solid var(--focus-ring, rgba(83, 125, 255, .45)); outline-offset: 2px; }
.acc-course-head { gap: 7px; min-width: 0; }
.acc-course-head strong { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.acc-course-dot { width: 9px; height: 9px; border-radius: 999px; }
.acc-risk-pill { padding: 3px 7px; border-radius: 999px; font-size: .68rem; font-weight: 800; background: var(--surface-muted, rgba(127,127,127,.1)); }
.acc-risk-danger .acc-risk-pill { color: var(--danger, #ef5b67); }
.acc-risk-warn .acc-risk-pill { color: var(--warning, #d18b2c); }
.acc-risk-safe .acc-risk-pill { color: var(--success, #2f9d68); }
.acc-course-grade { font-size: 1.35rem; font-weight: 800; }
.acc-course-grade small { color: var(--text-muted); font-size: .68rem; font-weight: 600; }
.acc-course-line, .acc-course-meta { color: var(--text-muted); font-size: .76rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.acc-course-line b { color: var(--text-primary, inherit); }
.acc-course-meta { padding-top: 5px; border-top: 1px solid var(--border-color); }
.acc-calm-state { padding: 16px; border-radius: 14px; background: color-mix(in srgb, var(--success, #2f9d68) 10%, transparent); color: var(--text-muted); }

@media (max-width: 720px) {
  .academic-command-center { padding: 15px; border-radius: 16px; }
  .acc-top-action { align-items: flex-start; flex-wrap: wrap; }
  .acc-top-copy { flex-basis: calc(100% - 58px); }
  .acc-top-action > .acc-actions { width: 100%; justify-content: stretch; }
  .acc-top-action > .acc-actions .acc-btn { flex: 1; min-height: 44px; }
  .acc-ranked-row { align-items: flex-start; flex-wrap: wrap; }
  .acc-ranked-row .acc-actions { flex: 0 0 100%; width: 100%; min-width: 0; justify-content: stretch; }
  .acc-ranked-row .acc-actions .acc-btn { flex: 1 1 0; min-width: 0; min-height: 44px; }
  .acc-course-grid { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  #courseHubMount .academic-command-center *,
  #courseHubMount .academic-command-center *::before,
  #courseHubMount .academic-command-center *::after { transition: none !important; animation: none !important; }
  #courseHubMount .acc-btn:hover,
  #courseHubMount .acc-refresh:hover,
  #courseHubMount .acc-course-card:hover { transform: none; }
}