.vjoin-soft-wrapper {
    --neo-border: 3px solid #111111;
    --neo-shadow: 5px 5px 0px #111111;
    --neo-shadow-active: 0px 0px 0px #111111;
    
    --bg-main: #f8f9fa;
    --bg-card: #ffffff;
    --clr-mint: #b9fbc0;
    --clr-purple: #cdb4db;
    --clr-yellow: #fdf0d5;
    --clr-sky: #a2d2ff;
    --clr-danger: #ffadad;

    max-width: 700px;
    margin: 0 auto;
    font-family: system-ui, -apple-system, sans-serif;
    color: #111;
    background: var(--bg-main);
    padding: 25px;
    border: var(--neo-border);
    border-radius: 16px;
    box-shadow: var(--neo-shadow);
}
.vjoin-soft-wrapper * { box-sizing: border-box; }

.vjoin-soft-header {
    background: var(--clr-yellow); padding: 20px;
    border: var(--neo-border); border-radius: 12px;
    text-align: center; margin-bottom: 25px; box-shadow: var(--neo-shadow);
}
.vjoin-soft-header h2 { margin: 0 0 10px 0; font-size: 1.8rem; font-weight: 900; text-transform: uppercase;}
.vjoin-soft-header p { margin: 0; font-weight: 700; font-size: 0.95rem; }

.vjoin-body {
    background: var(--bg-card); padding: 25px;
    border: var(--neo-border); border-radius: 12px;
    box-shadow: var(--neo-shadow);
}

.vjoin-group { margin-bottom: 20px; }

/* Khung Upload Mềm Mại */
.vjoin-upload-box {
    background: var(--clr-purple); border: 2px dashed #111; border-radius: 12px;
    padding: 25px; text-align: center; cursor: pointer; transition: 0.2s;
    display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 10px;
}
.vjoin-upload-box:hover { filter: brightness(0.95); }
.vjoin-icon { font-size: 2.5rem; }
.vjoin-filename { font-weight: 800; font-size: 1.05rem; color: #111; }

/* Danh sách file & Kéo thả */
.vjoin-file-list {
    margin-bottom: 20px; background: #f1f3f5; padding: 15px;
    border: 2px dashed #111; border-radius: 12px;
}
.vjoin-list-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 15px; flex-wrap: wrap; gap: 10px;}
.vjoin-list-header h4 { margin: 0; font-size: 0.95rem; font-weight: 800; }
.vjoin-btn-sm-action { background: var(--clr-sky); border: 2px solid #111; padding: 6px 12px; border-radius: 6px; font-weight: 700; cursor: pointer; box-shadow: 2px 2px 0px #111; transition: 0.1s;}
.vjoin-btn-sm-action:active { transform: translate(2px, 2px); box-shadow: 0px 0px 0px #111;}

.vjoin-sortable-list { list-style: none; padding: 0; margin: 0; }
.vjoin-list-item {
    display: flex; align-items: center; justify-content: space-between;
    background: #fff; border: 2px solid #111; border-radius: 8px;
    padding: 12px; margin-bottom: 10px; cursor: grab;
    box-shadow: 3px 3px 0px #111; transition: transform 0.1s;
}
.vjoin-list-item.dragging {
    opacity: 0.5; box-shadow: none; background: var(--clr-yellow);
}
.vjoin-drag-handle { font-size: 1.2rem; cursor: grab; margin-right: 15px; }
.vjoin-file-info { flex: 1; font-weight: 700; font-size: 0.9rem; word-break: break-all; margin-right: 15px;}
.vjoin-btn-remove {
    background: var(--clr-danger); border: 2px solid #111; border-radius: 6px; padding: 5px 10px;
    font-weight: 800; cursor: pointer; transition: 0.1s;
}
.vjoin-btn-remove:active { transform: scale(0.9); }

/* Select Box */
.vjoin-label { font-weight: 800; font-size: 1rem; margin-bottom: 10px; display: block; }
.neo-select-wrapper { position: relative; }
.neo-select {
    width: 100%; appearance: none; background: #fff;
    border: var(--neo-border); border-radius: 8px;
    padding: 12px 15px; font-family: inherit; font-size: 0.95rem; font-weight: 700;
    cursor: pointer; outline: none; box-shadow: 3px 3px 0px #111; transition: 0.2s; color: #111;
}
.neo-select:focus { transform: translate(-2px, -2px); box-shadow: 5px 5px 0px #111; background: #f0f8ff;}
.neo-select-wrapper::after { content: "▼"; position: absolute; right: 15px; top: 50%; transform: translateY(-50%); pointer-events: none; font-size: 1rem; color: #111; font-weight: bold; }

/* Nút Submit */
.vjoin-btn-primary {
    width: 100%; padding: 18px; font-family: inherit; font-size: 1.15rem; font-weight: 900; text-transform: uppercase;
    background: var(--clr-mint); border: var(--neo-border); border-radius: 12px; cursor: pointer;
    box-shadow: var(--neo-shadow); transition: 0.15s; color: #111;
}
.vjoin-btn-primary:active:not(:disabled) { transform: translate(3px, 3px); box-shadow: var(--neo-shadow-active); }
.vjoin-btn-primary:disabled { opacity: 0.6; cursor: not-allowed; filter: grayscale(1); box-shadow: none; transform: none; background: #ccc;}

/* Khung Progress */
.vjoin-status-box {
    margin-top: 25px; padding: 20px; background: #fff;
    border: var(--neo-border); border-radius: 12px; text-align: center; box-shadow: 3px 3px 0px #111;
}
.vjoin-status-box h4 { margin: 0 0 10px 0; font-size: 1.05rem; font-weight: 900; color: #111; }
.vjoin-progress-bar { width: 100%; height: 24px; background: #eee; border: 2px solid #111; border-radius: 50px; overflow: hidden; }
.vjoin-progress-fill { width: 0%; height: 100%; background: var(--clr-sky); transition: width 0.2s ease; border-right: 2px solid #111;}