.content-upload-panel,
.part-multi-panel {
    display: flex;
    flex-direction: column;
    height: 100%;
    min-height: 0;
    background: var(--ecs-color-surface, #f2f2f3);
}

.content-upload-header,
.part-multi-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.85rem;
    margin: 0.85rem 1.1rem 0;
    padding: 0.95rem 1rem;
    border: 1px solid rgba(214, 212, 216, 0.92);
    border-radius: 1.1rem;
    background: #fff;
}

.content-upload-header h2,
.part-multi-header h2 {
    margin: 0.15rem 0 0;
    color: #17131c;
    font-size: 1.15rem;
    font-weight: 800;
    letter-spacing: -0.02em;
}

.content-upload-kicker,
.part-multi-kicker {
    display: block;
    color: var(--ecs-color-primary);
    font-size: 0.7rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.content-upload-body {
    display: flex;
    flex: 1;
    flex-direction: column;
    gap: 0.9rem;
    min-height: 0;
    padding: 0.9rem 1.1rem 1rem;
}

.content-upload-help {
    margin: 0;
    color: #77717f;
    font-size: 0.88rem;
    font-weight: 600;
    line-height: 1.4;
}

.content-dropzone {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 10rem;
    padding: 1.25rem;
    border: 1.5px dashed rgba(206, 50, 105, 0.35);
    border-radius: 1.1rem;
    background: #fff;
    cursor: pointer;
    transition: border-color 0.15s ease, background-color 0.15s ease;
}

.content-dropzone-hover,
.content-dropzone:hover {
    border-color: var(--ecs-color-primary);
    background: #fff8fb;
}

.content-dropzone-disabled {
    opacity: 0.65;
    pointer-events: none;
}

.content-file-input {
    position: absolute;
    inset: 0;
    opacity: 0;
    pointer-events: none;
}

.content-dropzone-content {
    text-align: center;
}

.content-dropzone-content .material-symbols-outlined {
    display: block;
    margin: 0 auto 0.45rem;
    color: var(--ecs-color-primary);
    font-size: 2.4rem;
}

.content-dropzone-content p {
    margin: 0;
    color: #77717f;
    font-size: 0.88rem;
    font-weight: 600;
}

.content-dropzone-content strong {
    color: var(--ecs-color-primary);
}

.content-preview-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    padding: 0.85rem 0.95rem;
    border: 1px solid rgba(214, 212, 216, 0.92);
    border-radius: 0.95rem;
    background: #fff;
}

.content-preview-meta {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    min-width: 0;
}

.content-preview-meta .material-symbols-outlined {
    color: var(--ecs-color-primary);
}

.content-preview-name {
    overflow: hidden;
    color: #17131c;
    font-size: 0.9rem;
    font-weight: 700;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.btn-remove-file {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    border: 1px solid rgba(214, 212, 216, 0.95);
    border-radius: 999px;
    background: #fff;
    color: #8b8794;
    cursor: pointer;
}

.btn-remove-file:hover,
.btn-remove-file:focus-visible {
    border-color: var(--ecs-color-primary);
    color: var(--ecs-color-primary);
    outline: none;
}

.content-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.65rem;
    padding: 1.25rem;
    color: #77717f;
    font-size: 0.9rem;
    font-weight: 600;
}

.content-upload-spinner {
    width: 1.5rem;
    height: 1.5rem;
    border: 2px solid rgba(206, 50, 105, 0.18);
    border-top-color: var(--ecs-color-primary);
    border-radius: 999px;
    animation: content-upload-spin 0.7s linear infinite;
}

.content-upload-spinner.is-inline {
    width: 1rem;
    height: 1rem;
    border-color: rgba(255, 255, 255, 0.35);
    border-top-color: #fff;
}

@keyframes content-upload-spin {
    to { transform: rotate(360deg); }
}

.content-upload-footer,
.part-multi-footer {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 0.55rem;
    padding: 0.9rem 1.1rem 1.1rem;
}

.part-multi-search {
    padding: 0.85rem 1.1rem 0.55rem;
}

.part-multi-list {
    flex: 1;
    min-height: 0;
    overflow: auto;
    margin: 0 1.1rem;
    border: 1px solid rgba(214, 212, 216, 0.92);
    border-radius: 1.05rem;
    background: #fff;
}

.part-multi-row {
    display: flex;
    align-items: flex-start;
    gap: 0.7rem;
    margin: 0;
    padding: 0.8rem 0.9rem;
    border-bottom: 1px solid rgba(230, 229, 231, 0.95);
    cursor: pointer;
}

.part-multi-row:hover {
    background: #fff8fb;
}

.part-multi-row[hidden] {
    display: none !important;
}

.part-multi-row-copy {
    display: grid;
    gap: 0.15rem;
    min-width: 0;
}

.part-multi-row-copy strong {
    overflow: hidden;
    color: #17131c;
    font-size: 0.9rem;
    font-weight: 700;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.part-multi-row-copy small {
    color: #8b8794;
    font-size: 0.78rem;
    font-weight: 600;
}

.part-multi-empty {
    padding: 2.5rem 1rem;
    color: #8b8794;
    text-align: center;
}

.part-multi-empty .material-symbols-outlined {
    display: block;
    margin: 0 auto 0.45rem;
    font-size: 2rem;
    color: #c9c5cf;
}

.content-preview[hidden],
.content-loading[hidden] {
    display: none !important;
}

.scorm-preview-modal {
    position: fixed;
    inset: 0;
    z-index: 1200;
    display: none;
    align-items: stretch;
    justify-content: stretch;
    background: rgba(23, 19, 28, 0.45);
}

.scorm-preview-panel {
    display: flex;
    flex: 1;
    flex-direction: column;
    min-width: 0;
    min-height: 0;
    margin: 1rem;
    overflow: hidden;
    border: 1px solid rgba(214, 212, 216, 0.95);
    border-radius: 1.15rem;
    background: #fff;
    box-shadow: 0 18px 48px rgba(23, 19, 28, 0.18);
}

.scorm-preview-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    padding: 0.85rem 1rem;
    border-bottom: 1px solid rgba(214, 212, 216, 0.85);
    background: #fff;
}

.scorm-preview-title {
    color: #17131c;
    font-size: 0.95rem;
    font-weight: 800;
}

.scorm-preview-frame {
    flex: 1;
    width: 100%;
    min-height: 0;
    border: 0;
    background: #f7f6f8;
}

.instructions-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1.25rem 1.45rem;
    border-bottom: 1px solid rgba(214, 212, 216, 0.75);
}

.instructions-kicker {
    display: block;
    color: var(--ecs-color-primary);
    font-size: 0.72rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.instructions-modal-header h1 {
    margin: 0.15rem 0 0;
    color: #17131c;
    font-size: 1.25rem;
    font-weight: 800;
}

.instructions-modal-body {
    padding: 1.15rem 1.45rem 1.45rem;
}

.instructions-content {
    color: #3d3948;
    font-size: 0.94rem;
    font-weight: 600;
    line-height: 1.55;
}