/* ─────────────────────────────────────────────────────────────────────
   Recent Learning panel (Task #15 / #29)

   Shared styles for the "Pick up where you left off" panel that surfaces
   on /topics, /dashboard, and /learn. Each host page already defines
   the colour tokens used below (--accent, --surface, --text-*); the
   `var(..., fallback)` form keeps the panel readable even on pages that
   don't define every variable.
   ───────────────────────────────────────────────────────────────────── */
.recent-learning {
    margin: 0 auto 28px;
    padding: 22px 22px 20px;
    max-width: 980px;
    background: linear-gradient(135deg, rgba(120, 95, 255, 0.10), rgba(79, 177, 255, 0.08));
    border: 1px solid rgba(160, 130, 255, 0.28);
    border-radius: 16px;
}
.recent-learning[hidden] { display: none !important; }

.recent-learning-header {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 14px;
    flex-wrap: wrap;
}
.recent-learning-title {
    font-family: 'Sora', 'Inter', sans-serif;
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text-primary, #E8EDF3);
    margin: 0;
}
.recent-learning-title .recent-learning-emoji {
    margin-right: 6px;
}
.recent-learning-subtitle {
    font-size: 0.85rem;
    color: var(--text-secondary, rgba(232,237,243,0.7));
    margin: 0;
}
.recent-learning-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
    gap: 12px;
}
.recent-concept-card {
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding: 14px 14px 12px;
    background: var(--surface, rgba(255,255,255,0.04));
    border: 1.5px solid rgba(255,255,255,0.08);
    border-radius: 12px;
    text-align: left;
    cursor: pointer;
    transition: all 0.18s;
    font-family: 'Inter', sans-serif;
    color: var(--text-primary, #E8EDF3);
}
.recent-concept-card:hover {
    background: var(--surface-hover, rgba(255,255,255,0.08));
    border-color: var(--accent, #4FB1FF);
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(79,177,255,0.18);
}
.recent-concept-card:focus-visible {
    outline: 2px solid var(--accent, #4FB1FF);
    outline-offset: 2px;
}
.recent-concept-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
}
.recent-concept-name {
    font-weight: 600;
    font-size: 0.98rem;
    line-height: 1.3;
}
.recent-concept-resume {
    font-size: 0.78rem;
    color: var(--accent, #4FB1FF);
    font-weight: 600;
    white-space: nowrap;
}
.recent-concept-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    font-size: 0.78rem;
    color: var(--text-secondary, rgba(232,237,243,0.7));
}
.recent-learning .mastery-bar {
    position: relative;
    height: 6px;
    width: 100%;
    background: rgba(255,255,255,0.06);
    border-radius: 999px;
    overflow: hidden;
}
.recent-learning .mastery-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, #ff8b8b, #ffd166 50%, #6ee7b7);
    border-radius: 999px;
    transition: width 0.4s ease;
}
.recent-concept-mastery-pct {
    font-variant-numeric: tabular-nums;
    color: var(--text-primary, #E8EDF3);
    font-weight: 600;
}
@media (max-width: 600px) {
    .recent-learning { padding: 18px 14px 16px; }
    .recent-learning-grid { grid-template-columns: 1fr; }
}