/* per-row dropzone for signup_a06 (wav) / signup_a07 (mp4) */
.dropzone-cell {
    display: inline-block;
    min-width: 220px;
    max-width: 360px;
    padding: 14px 16px;
    margin: 2px 0;
    border: 2px dashed #b3b3b3;
    border-radius: 8px;
    background: #fafafa;
    cursor: pointer;
    text-align: center;
    vertical-align: middle;
    transition: border-color 0.15s ease, background-color 0.15s ease, transform 0.05s ease;
    box-sizing: border-box;
}

.dropzone-cell:hover {
    border-color: #672D91;
    background: #f5eef9;
}

.dropzone-cell.drag-over {
    border-color: #28a745;
    background: #e6f4ea;
    border-style: solid;
}

.dropzone-cell.has-file {
    border-style: solid;
    border-color: #28a745;
    background: #f0fdf4;
}

.dropzone-cell .dropzone-hint {
    display: block;
    font-size: 13px;
    line-height: 1.4;
    color: #555;
    word-break: break-all;
    pointer-events: none;
}

.dropzone-cell.has-file .dropzone-hint {
    color: #1e7d3a;
    font-weight: 500;
}

.dropzone-cell .dropzone-hint-sub {
    display: block;
    margin-top: 4px;
    font-size: 11px;
    color: #888;
    pointer-events: none;
}

.dropzone-cell.has-file .dropzone-hint-sub {
    display: none;
}

/* hide the actual <input type="file"> but keep it clickable via label[for] */
.dropzone-cell input.dropzone-input {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
    opacity: 0;
    pointer-events: none;
}

/* upload progress bar */
.upload-progress-bar {
    position: relative;
    display: inline-block;
    width: 100%;
    max-width: 280px;
    height: 22px;
    margin: 4px 0;
    background: #e9ecef;
    border-radius: 11px;
    overflow: hidden;
    box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.08);
}

.upload-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #672D91, #8e44ad);
    transition: width 0.18s ease-out;
    border-radius: 11px 0 0 11px;
}

.upload-progress-fill.complete {
    background: linear-gradient(90deg, #1e7d3a, #28a745);
    border-radius: 11px;
}

.upload-progress-text {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 12px;
    font-weight: 600;
    text-shadow: 0 0 4px rgba(0, 0, 0, 0.45);
    letter-spacing: 0.3px;
}