/* Populi-inspired course dashboard shell for institutional demo pages only */
/* Font loaded from global.css (must precede other @import rules there) */

.populi-demo {
  --populi-bg: #121212;
  --populi-surface: #1a1a1c;
  --populi-surface-2: #222226;
  --populi-border: rgba(255, 255, 255, 0.08);
  --populi-header: #3d2b52;
  --populi-header-hover: #4a3562;
  --populi-alert: #fef3c7;
  --populi-alert-text: #422006;
  --populi-text: #f4f4f5;
  --populi-text-muted: #a1a1aa;
  --populi-accent: #a78bfa;
  --populi-nav-active: #3f3f46;
  --populi-input: #27272a;

  font-family: 'Plus Jakarta Sans', system-ui, sans-serif;
  color: var(--populi-text);
  background: var(--populi-bg);
  border-radius: 0;
  margin: 0 -1.5rem 2rem;
  width: calc(100% + 3rem);
  max-width: none;
  box-sizing: border-box;
  overflow: hidden;
  box-shadow: 0 0 0 1px var(--populi-border);
}

@media (min-width: 80rem) {
  .populi-demo {
    margin-left: calc(50% - 50vw + 1.5rem);
    margin-right: calc(50% - 50vw + 1.5rem);
    width: auto;
    max-width: min(100vw - 3rem, 90rem);
  }
}

.populi-demo *,
.populi-demo *::before,
.populi-demo *::after {
  box-sizing: border-box;
}

.populi-demo .section {
  padding: 0;
}

.populi-demo a {
  color: var(--populi-accent);
}

.populi-demo code {
  font-size: 0.85em;
  background: var(--populi-input);
  padding: 0.15em 0.4em;
  border-radius: 0.25rem;
  color: #e4e4e7;
}

/* Top bar */
.populi-demo__topbar {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  padding: 0.65rem 1.25rem;
  background: linear-gradient(180deg, var(--populi-header) 0%, #352547 100%);
  border-bottom: 1px solid rgba(0, 0, 0, 0.25);
}

.populi-demo__topbar-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 0.9rem;
  font-weight: 500;
}

.populi-demo__topbar-links a {
  color: rgba(255, 255, 255, 0.92);
  text-decoration: none;
}

.populi-demo__topbar-links a:hover {
  color: #fff;
  text-decoration: underline;
}

.populi-demo__pill {
  display: inline-flex;
  align-items: center;
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 0.82rem;
  font-weight: 600;
  color: #fff;
  white-space: nowrap;
}

/* Alert */
.populi-demo__alert {
  position: relative;
  z-index: 2;
  padding: 0.55rem 1.25rem;
  background: var(--populi-alert);
  color: var(--populi-alert-text);
  font-size: 0.88rem;
  font-weight: 500;
}

/* Body: sidebar + main */
.populi-demo__layout {
  display: grid;
  grid-template-columns: 13rem minmax(0, 1fr);
  align-items: start;
  min-height: min(70vh, 900px);
  min-width: 0;
}

@media (max-width: 768px) {
  .populi-demo__layout {
    grid-template-columns: 1fr;
  }

  .populi-demo__sidebar {
    display: none;
  }
}

.populi-demo__sidebar {
  min-width: 0;
  max-width: 13rem;
  background: var(--populi-surface);
  border-right: 1px solid var(--populi-border);
  padding: 1rem 0.65rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  overflow: hidden;
}

/* Fixed size: width:100% + aspect-ratio was resolving to viewport-scale boxes in some layouts */
.populi-demo__course-tile {
  box-sizing: border-box;
  width: 4.5rem;
  height: 4.5rem;
  max-width: 100%;
  flex-shrink: 0;
  margin: 0 auto;
  border-radius: 0.35rem;
  background: linear-gradient(145deg, #2d2d32, #1f1f23);
  border: 1px solid var(--populi-border);
  display: flex;
  align-items: center;
  justify-content: center;
}

.populi-demo__course-tile svg {
  width: 2.25rem;
  height: 2.25rem;
  opacity: 0.85;
}

.populi-demo__nav {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.populi-demo__nav-item {
  display: block;
  padding: 0.45rem 0.65rem;
  border-radius: 0.4rem;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--populi-text-muted);
  text-decoration: none;
  border: 0;
  background: transparent;
  cursor: default;
  text-align: left;
  font-family: inherit;
}

a.populi-demo__nav-item {
  cursor: pointer;
}

.populi-demo__nav-item:hover {
  color: var(--populi-text);
  background: rgba(255, 255, 255, 0.04);
}

.populi-demo__nav-item--active {
  background: var(--populi-nav-active);
  color: #fff;
}

.populi-demo__nav-footer {
  margin-top: auto;
  padding-top: 1rem;
  font-size: 0.72rem;
  color: var(--populi-text-muted);
  text-align: center;
}

/* Main column */
.populi-demo__main {
  display: flex;
  flex-direction: column;
  min-width: 0;
  background: var(--populi-bg);
}

.populi-demo__course-header {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.25rem 1.5rem 1rem;
  border-bottom: 1px solid var(--populi-border);
}

.populi-demo__course-header h1 {
  margin: 0;
  font-size: clamp(1.15rem, 2.5vw, 1.45rem);
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.02em;
  line-height: 1.25;
}

.populi-demo__course-header-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.populi-demo__select {
  appearance: none;
  padding: 0.45rem 2rem 0.45rem 0.75rem;
  border-radius: 0.35rem;
  border: 1px solid var(--populi-border);
  background: var(--populi-input) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%23a1a1aa' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10l-5 5z'/%3E%3C/svg%3E") no-repeat right 0.5rem center;
  color: var(--populi-text);
  font-size: 0.8rem;
  font-family: inherit;
  max-width: 16rem;
}

.populi-demo__icon-btn {
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 0.35rem;
  border: 1px solid var(--populi-border);
  background: var(--populi-surface-2);
  color: var(--populi-text-muted);
  cursor: default;
  font-size: 1.1rem;
  line-height: 1;
}

/* Two columns */
.populi-demo__columns {
  display: grid;
  grid-template-columns: 1fr 17rem;
  gap: 0;
  flex: 1;
  align-items: start;
}

@media (max-width: 960px) {
  .populi-demo__columns {
    grid-template-columns: 1fr;
  }
}

.populi-demo__primary {
  padding: 1.25rem 1.5rem 2rem;
  border-right: 1px solid var(--populi-border);
  min-width: 0;
}

@media (max-width: 960px) {
  .populi-demo__primary {
    border-right: 0;
  }
}

.populi-demo__secondary {
  padding: 1.25rem 1.25rem 2rem;
  background: var(--populi-bg);
  min-width: 0;
}

.populi-demo__panel {
  margin-bottom: 1.5rem;
}

.populi-demo__panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.65rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--populi-border);
}

.populi-demo__panel-title {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 600;
  color: #fff;
}

.populi-demo__panel-body {
  margin: 0;
  font-size: 0.85rem;
  color: var(--populi-text-muted);
  line-height: 1.55;
}

.populi-demo__panel-body--empty {
  font-style: italic;
}

/* Bulletin / composer */
.populi-demo__composer {
  margin-top: 0.75rem;
  border: 1px solid var(--populi-border);
  border-radius: 0.5rem;
  background: var(--populi-surface);
  overflow: hidden;
}

.populi-demo__textarea {
  width: 100%;
  min-height: 5rem;
  padding: 0.85rem 1rem;
  border: 0;
  background: transparent;
  color: var(--populi-text-muted);
  font-size: 0.88rem;
  font-family: inherit;
  resize: vertical;
}

.populi-demo__textarea::placeholder {
  color: #71717a;
}

.populi-demo__composer-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.5rem 0.85rem;
  border-top: 1px solid var(--populi-border);
  background: var(--populi-surface-2);
  font-size: 0.78rem;
}

.populi-demo__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.45rem 1rem;
  border-radius: 0.35rem;
  font-size: 0.82rem;
  font-weight: 600;
  font-family: inherit;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}

.populi-demo__btn--primary {
  background: #6d28d9;
  color: #fff;
  border-color: rgba(255, 255, 255, 0.1);
}

.populi-demo__btn--primary:hover {
  background: #5b21b6;
}

.populi-demo__btn--ghost {
  background: transparent;
  color: var(--populi-text-muted);
  border-color: var(--populi-border);
}

.populi-demo__btn--ghost:hover {
  color: var(--populi-text);
  background: rgba(255, 255, 255, 0.05);
}

.populi-demo__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1rem;
}

.populi-demo__intro {
  margin: 0 0 1.25rem;
  font-size: 0.92rem;
  line-height: 1.65;
  color: var(--populi-text-muted);
}

.populi-demo__intro strong {
  color: #e4e4e7;
}

/* Six course lines — visible “multiple courses” strip */
.populi-demo__at-a-glance {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 0.65rem;
  margin: 0 0 1.25rem;
  padding: 0.85rem 1rem;
  background: var(--populi-surface-2);
  border: 1px solid var(--populi-border);
  border-radius: 0.5rem;
}

.populi-demo__at-a-glance-label {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--populi-text-muted);
  width: 100%;
  margin-bottom: 0.15rem;
}

@media (min-width: 40rem) {
  .populi-demo__at-a-glance-label {
    width: auto;
    margin-bottom: 0;
    margin-right: 0.35rem;
  }
}

.populi-demo__course-chip {
  display: inline-flex;
  align-items: center;
  padding: 0.35rem 0.65rem;
  border-radius: 0.35rem;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, 'Liberation Mono', 'Courier New', monospace;
  font-size: 0.78rem;
  font-weight: 700;
  color: #f8fafc;
  background: rgba(167, 139, 250, 0.15);
  border: 1px solid rgba(167, 139, 250, 0.35);
}

.populi-demo h2.populi-demo__section-title {
  margin: 0 0 0.75rem;
  font-size: 1.05rem;
  font-weight: 600;
  color: #fff;
}

/* Demo list inside shell */
.populi-demo .demo-list {
  gap: 1rem;
}

.populi-demo .demo-list__item.card {
  background: var(--populi-surface);
  border: 1px solid var(--populi-border);
  border-radius: 0.5rem;
  padding: 1rem 1.15rem;
  box-shadow: none;
}

.populi-demo .demo-list__title {
  color: #fff;
  font-size: 1rem;
}

/* global.css .course-variant__code uses dark ink — must win on dark Populi cards */
.populi-demo .course-variant__code {
  color: #f8fafc !important;
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.populi-demo .demo-list__summary {
  color: var(--populi-text-muted);
  font-size: 0.88rem;
}

.populi-demo .demo-list__actions .button {
  font-family: 'Plus Jakarta Sans', system-ui, sans-serif;
  border-radius: 0.35rem;
  font-size: 0.82rem;
}

.populi-demo .demo-list__actions .button--primary {
  background: #6d28d9;
  border-color: rgba(255, 255, 255, 0.12);
  color: #fff;
}

.populi-demo .demo-list__actions .button--primary:hover {
  background: #5b21b6;
}

.populi-demo .demo-list__actions .button--secondary {
  background: var(--populi-surface-2);
  border: 1px solid var(--populi-border);
  color: var(--populi-text);
}

.populi-demo .demo-list__actions .button--secondary:hover {
  background: #2d2d32;
}

.populi-demo .list {
  color: var(--populi-text-muted);
  font-size: 0.88rem;
}

.populi-demo .list li::marker {
  color: var(--populi-accent);
}

/* IMS CC viewer inside shell */
.populi-demo .imscc-viewer {
  border-color: var(--populi-border);
  background: var(--populi-surface);
}

.populi-demo .imscc-viewer__toolbar {
  background: var(--populi-surface-2);
  border-bottom-color: var(--populi-border);
}

.populi-demo .imscc-viewer__tab {
  background: var(--populi-input);
  border-color: var(--populi-border);
  color: var(--populi-text);
}

.populi-demo .imscc-viewer__tab:hover {
  border-color: rgba(167, 139, 250, 0.45);
  color: var(--populi-accent);
}

.populi-demo .imscc-viewer__tab--active {
  background: rgba(109, 40, 217, 0.25);
  border-color: rgba(167, 139, 250, 0.4);
  color: #e9d5ff;
}

.populi-demo .imscc-viewer__tab-kind {
  color: #71717a;
}

.populi-demo .imscc-viewer__tab--active .imscc-viewer__tab-kind {
  color: #c4b5fd;
}

.populi-demo .imscc-viewer__stage {
  background: #0c0c0e;
}

.populi-demo .imscc-viewer__md-pre {
  color: #d4d4d8;
}

.populi-demo .imscc-viewer__path {
  color: var(--populi-text-muted);
}

.populi-demo .imscc-viewer__path-label {
  color: #71717a;
}

.populi-demo .imscc-viewer__path code {
  background: var(--populi-input);
  color: #e4e4e7;
}

.populi-demo .imscc-viewer__empty,
.populi-demo .imscc-viewer__hint {
  color: var(--populi-text-muted);
}

.populi-demo .imscc-viewer__hint a {
  color: var(--populi-accent);
}

.populi-demo .imscc-viewer__md-error {
  color: #f87171;
}