/* Assigned video courses — dashboard cards + watch page */

.course-dash {
  margin: 0 0 1.75rem;
}

.course-dash-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem;
}

.course-card {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 220px;
  border-radius: 18px;
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  border: 1px solid var(--border);
  background:
    linear-gradient(160deg, color-mix(in srgb, var(--course-accent, #A020F0) 22%, transparent), transparent 55%),
    var(--card-solid);
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.course-card:hover {
  transform: translateY(-3px);
  border-color: color-mix(in srgb, var(--course-accent, #A020F0) 55%, var(--border));
  box-shadow: 0 14px 36px color-mix(in srgb, var(--course-accent, #A020F0) 18%, transparent);
}

.course-card-poster {
  height: 118px;
  background:
    radial-gradient(circle at 20% 30%, color-mix(in srgb, var(--course-accent, #A020F0) 45%, transparent), transparent 50%),
    radial-gradient(circle at 80% 70%, color-mix(in srgb, #2dd4bf 25%, transparent), transparent 45%),
    linear-gradient(135deg, #1a1224, #0f172a);
  background-size: cover;
  background-position: center;
}

.course-card-body {
  padding: 1rem 1.1rem 1.15rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  flex: 1;
}

.course-card-body h3 {
  margin: 0;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
}

.course-card-body p {
  margin: 0;
  color: var(--muted, var(--text-muted));
  font-size: 0.88rem;
  line-height: 1.45;
}

.course-card-meta {
  margin-top: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding-top: 0.65rem;
}

.course-card-bar {
  flex: 1;
  height: 6px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--border) 80%, transparent);
  overflow: hidden;
}

.course-card-bar > span {
  display: block;
  height: 100%;
  width: 0;
  border-radius: inherit;
  background: var(--course-accent, #A020F0);
  transition: width 0.6s ease;
}

.course-card-pct {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--course-accent, #A020F0);
  white-space: nowrap;
}

.course-card-viewed {
  position: absolute;
  top: 12px;
  inset-inline-end: 12px;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  background: color-mix(in srgb, #22c55e 88%, #000);
  color: #fff;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.25);
}

.course-dash-empty {
  color: var(--muted, var(--text-muted));
  font-size: 0.92rem;
  padding: 0.5rem 0;
}

/* —— Watch page —— */
.course-watch-page {
  min-height: 100vh;
}

.course-shell {
  max-width: 1180px;
  margin: 0 auto;
  padding: 1.25rem 1.25rem 3rem;
}

.course-loading {
  text-align: center;
  padding: 4rem 1rem;
  color: var(--muted, var(--text-muted));
}

.course-loading.is-error {
  color: #e35d6a;
}

.course-layout.is-hidden,
.course-loading.is-hidden,
.is-hidden {
  display: none !important;
}

.course-top {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  gap: 1rem 1.5rem;
  margin-bottom: 1.25rem;
}

.course-back {
  color: var(--accent, #A020F0);
  text-decoration: none;
  font-weight: 700;
  font-size: 0.9rem;
  align-self: center;
}

.course-top-meta {
  flex: 1 1 240px;
}

.course-top-meta h1 {
  margin: 0 0 0.25rem;
  font-size: clamp(1.35rem, 2.4vw, 1.85rem);
  letter-spacing: -0.02em;
}

.course-top-meta p {
  margin: 0;
  color: var(--muted, var(--text-muted));
}

.course-top-stats {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-inline-start: auto;
}

.course-ring {
  position: relative;
  width: 56px;
  height: 56px;
}

.course-ring svg {
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
}

.course-ring .ring-bg {
  fill: none;
  stroke: color-mix(in srgb, var(--border) 90%, transparent);
  stroke-width: 3.2;
}

.course-ring .ring-fg {
  fill: none;
  stroke: var(--course-accent, #A020F0);
  stroke-width: 3.2;
  stroke-linecap: round;
  transition: stroke-dasharray 0.5s ease;
}

.course-ring span {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-size: 0.72rem;
  font-weight: 800;
}

.course-viewed-badge {
  display: inline-block;
  margin-top: 0.25rem;
  padding: 3px 9px;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 800;
  background: color-mix(in srgb, #22c55e 20%, transparent);
  color: #16a34a;
  border: 1px solid #22c55e;
}

.course-stage {
  display: grid;
  grid-template-columns: minmax(0, 1.7fr) minmax(260px, 0.9fr);
  gap: 1.1rem;
  align-items: start;
}

.course-player-panel,
.course-lessons-panel {
  background: var(--card-solid, #14101c);
  border: 1px solid var(--border);
  border-radius: 18px;
  overflow: hidden;
}

.course-video-wrap {
  background: #050508;
}

.course-video-wrap video {
  display: block;
  width: 100%;
  max-height: min(62vh, 640px);
  background: #000;
}

.course-now-playing {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  padding: 0.85rem 1.1rem;
  border-top: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
}

.course-now-playing span {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
}

.course-now-playing strong {
  font-size: 1rem;
  font-weight: 800;
  color: var(--text);
}

:root[data-theme="dark"] .course-now-playing {
  background: var(--surface-hover);
  border-top-color: var(--border);
  color: var(--text);
}

:root[data-theme="dark"] .course-now-playing span {
  color: var(--text-muted);
}

:root[data-theme="dark"] .course-now-playing strong {
  color: var(--text);
}

.course-desc {
  margin: 0;
  padding: 0 1.1rem 0.85rem;
  color: var(--muted, var(--text-muted));
  font-size: 0.92rem;
  line-height: 1.55;
}

.course-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  padding: 0 1.1rem 1.15rem;
}

.course-handout,
.course-mark-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.55rem 0.95rem;
  border-radius: 10px;
  font: inherit;
  font-weight: 700;
  font-size: 0.88rem;
  cursor: pointer;
  text-decoration: none;
}

.course-handout {
  border: 1px solid var(--border);
  color: inherit;
  background: transparent;
}

.course-mark-btn {
  border: 1px solid var(--course-accent, #A020F0);
  background: var(--course-accent, #A020F0);
  color: #fff;
}

.course-lessons-panel {
  max-height: min(78vh, 820px);
  display: flex;
  flex-direction: column;
}

.course-lessons-panel h2 {
  margin: 0;
  padding: 1rem 1.1rem 0.65rem;
  font-size: 0.95rem;
}

.course-lesson-list {
  list-style: none;
  margin: 0;
  padding: 0 0.55rem 0.85rem;
  overflow: auto;
  flex: 1;
}

.course-lesson-btn {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.65rem 0.7rem;
  border: 1px solid transparent;
  border-radius: 12px;
  background: transparent;
  color: inherit;
  text-align: start;
  cursor: pointer;
  font: inherit;
  transition: background 0.15s ease, border-color 0.15s ease;
}

.course-lesson-btn:hover {
  background: color-mix(in srgb, var(--course-accent, #A020F0) 10%, transparent);
}

.course-lesson.is-active .course-lesson-btn {
  border-color: color-mix(in srgb, var(--course-accent, #A020F0) 45%, var(--border));
  background: color-mix(in srgb, var(--course-accent, #A020F0) 14%, transparent);
}

.course-lesson.is-done .lesson-title {
  opacity: 0.85;
}

.lesson-num {
  flex: 0 0 1.6rem;
  height: 1.6rem;
  border-radius: 8px;
  display: grid;
  place-items: center;
  font-size: 0.75rem;
  font-weight: 800;
  background: color-mix(in srgb, var(--border) 80%, transparent);
}

.course-lesson.is-active .lesson-num {
  background: var(--course-accent, #A020F0);
  color: #fff;
}

.lesson-body {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}

.lesson-title {
  font-size: 0.88rem;
  font-weight: 650;
  line-height: 1.35;
}

.lesson-status {
  font-size: 0.72rem;
  color: #16a34a;
}

.lesson-check {
  color: #22c55e;
  font-weight: 800;
}

@media (max-width: 900px) {
  .course-stage {
    grid-template-columns: 1fr;
  }
  .course-lessons-panel {
    max-height: 420px;
  }
}

/* Public courses hub */
.course-hub {
  max-width: 1100px;
  margin: 0 auto;
  padding: 1.5rem 1.25rem 3rem;
}

.course-hub-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.course-hub-head h1 {
  margin: 0 0 0.35rem;
  font-size: clamp(1.45rem, 3vw, 1.9rem);
}

.course-hub-head p {
  margin: 0;
  color: var(--muted);
  max-width: 40rem;
  line-height: 1.6;
}

.course-hub-login {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 0.45rem 1rem;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--text);
  text-decoration: none;
  font-weight: 700;
}

.course-hub-login:hover {
  border-color: var(--accent);
}

.course-hub-loading {
  grid-column: 1 / -1;
  color: var(--muted);
  margin: 0.5rem 0;
}

.course-hub-loading.is-error {
  color: var(--danger);
}

.course-guest-hint {
  display: inline-flex;
  align-items: center;
  padding: 0.55rem 0.9rem;
  border-radius: 10px;
  border: 1px dashed var(--border);
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 650;
}

.course-guest-hint:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.course-mark-btn.is-hidden,
.course-handout.is-hidden {
  display: none !important;
}