.projects-page-body {
    padding-top: 100px;
}

.projects-hub-main {
    max-width: 1100px;
    margin: 0 auto;
    padding: 24px 20px 48px;
}

.projects-hub-header {
    margin-bottom: 28px;
}

.projects-hub-header h1 {
    margin: 0 0 8px;
    font-size: 1.75rem;
    color: #f1f5f9;
}

.projects-hub-sub {
    margin: 0 0 16px;
    color: #94a3b8;
    max-width: 520px;
    line-height: 1.5;
}

.projects-hub-layout {
    display: grid;
    grid-template-columns: minmax(220px, 280px) 1fr;
    gap: 24px;
    align-items: start;
}

@media (max-width: 768px) {
    .projects-page-body {
        padding-top: 88px;
    }
    .projects-hub-main {
        padding: 16px 14px 40px;
    }
    .projects-hub-header h1 {
        font-size: 1.45rem;
    }
    .projects-hub-layout {
        grid-template-columns: 1fr;
        gap: 16px;
    }
}

.projects-hub-list-panel {
    background: rgba(10, 10, 14, 0.96);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 16px;
    padding: 12px;
    max-height: 70vh;
    overflow-y: auto;
}

.projects-hub-empty {
    margin: 12px;
    font-size: 0.88rem;
    color: #94a3b8;
    line-height: 1.45;
}

.projects-hub-list {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.projects-hub-list-item {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    padding: 10px 12px;
    border: 1px solid transparent;
    border-radius: 10px;
    background: transparent;
    cursor: pointer;
    text-align: left;
    font: inherit;
    color: inherit;
    transition: background 0.15s, border-color 0.15s;
}

.projects-hub-list-item:hover {
    background: rgba(139, 92, 246, 0.1);
}

.projects-hub-list-item.is-active {
    background: rgba(139, 92, 246, 0.16);
    border-color: rgba(139, 92, 246, 0.45);
}

.projects-hub-list-thumb {
    width: 44px;
    height: 44px;
    flex-shrink: 0;
    border-radius: 8px;
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.3), rgba(30, 41, 59, 0.9));
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    font-size: 1.1rem;
}

.projects-hub-list-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.projects-hub-list-name {
    font-size: 0.9rem;
    font-weight: 600;
    color: #e2e8f0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.projects-hub-detail,
.projects-hub-placeholder {
    background: rgba(10, 10, 14, 0.96);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 16px;
    padding: 24px;
}

.projects-hub-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 280px;
    color: #94a3b8;
    text-align: center;
}

.projects-hub-detail-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 20px;
}

.projects-hub-detail-cover {
    width: 72px;
    height: 72px;
    flex-shrink: 0;
    border-radius: 12px;
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.35), rgba(30, 41, 59, 0.9));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    overflow: hidden;
}

.projects-hub-detail-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.projects-hub-detail-header h2 {
    margin: 0 0 4px;
    font-size: 1.25rem;
    color: #f1f5f9;
}

.projects-hub-meta {
    margin: 0;
    font-size: 0.85rem;
    color: #94a3b8;
}

.projects-hub-detail-header .projects-hub-detail-actions {
    margin-left: auto;
    display: flex;
    gap: 8px;
}

.projects-hub-delete:hover {
    color: #fca5a5;
    border-color: rgba(239, 68, 68, 0.35);
}

.projects-hub-player {
    margin: 20px 0 24px;
}

.projects-hub-stems {
    margin: 0 0 24px;
    padding: 16px;
    border-radius: 12px;
    border: 1px solid rgba(139, 92, 246, 0.25);
    background: rgba(15, 23, 42, 0.45);
}

.projects-hub-stems.hidden {
    display: none;
}

.projects-hub-stems-title {
    margin: 0 0 6px;
    font-size: 1rem;
    color: #e2e8f0;
}

.projects-hub-stems-hint {
    margin: 0 0 12px;
    font-size: 0.85rem;
    color: #94a3b8;
    line-height: 1.45;
}

.projects-hub-stems-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.projects-hub-stem-row {
    display: grid;
    grid-template-columns: 1fr auto auto;
    gap: 12px;
    align-items: center;
    padding: 10px 12px;
    border-radius: 8px;
    background: rgba(0, 0, 0, 0.25);
}

.projects-hub-stem-label {
    color: #f1f5f9;
    font-size: 0.92rem;
}

.projects-hub-stem-meta {
    color: #64748b;
    font-size: 0.8rem;
}

.projects-hub-player audio {
    width: 100%;
    border-radius: 8px;
}

.projects-hub-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.projects-hub-actions .btn {
    flex: 1 1 160px;
}