.vmix-soft-wrapper {
    --neo-border: 3px solid #111111;
    --neo-shadow: 5px 5px 0px #111111;
    --neo-shadow-active: 0px 0px 0px #111111;
    
    --bg-main: #fcfcfc;
    --bg-card: #ffffff;
    --clr-mint: #b9fbc0;
    --clr-sky: #a2d2ff;
    --clr-yellow: #fdf0d5;
    --clr-purple: #cdb4db;
    --clr-pink: #ffc6ff;
    --clr-danger: #ffadad;

    max-width: 800px;
    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);
}
.vmix-soft-wrapper * { box-sizing: border-box; }

.vmix-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);
}
.vmix-soft-header h2 { margin: 0 0 10px 0; font-size: 1.8rem; font-weight: 900; text-transform: uppercase;}
.vmix-soft-header p { margin: 0; font-weight: 700; font-size: 0.95rem; }

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

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

/* Khung Upload */
.vmix-upload-box {
    background: #f8f9fa; border: 2px dashed #111; border-radius: 12px;
    padding: 20px; text-align: center; cursor: pointer; transition: 0.2s;
    display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 5px;
}
.vmix-upload-box:hover { filter: brightness(0.95); }
.vmix-icon { font-size: 2rem; }
.vmix-filename { font-weight: 800; font-size: 0.95rem; word-break: break-all; color: #111; }

/* Timeline Board */
.vmix-timeline-board {
    background: #2b2d42; color: #fff; padding: 15px; border-radius: 12px;
    border: var(--neo-border); margin-bottom: 25px; box-shadow: 4px 4px 0px #111;
    user-select: none;
}
.vmix-timeline-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 15px; border-bottom: 2px dashed #8d99ae; padding-bottom: 10px; flex-wrap: wrap; gap: 10px;}
.vmix-timeline-header h4 { margin: 0; font-size: 1.05rem; color: #edf2f4;}

.vmix-track-row { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; }
.vmix-track-icon { width: 75px; font-weight: 800; font-size: 0.8rem; line-height: 1.2;}
.vmix-track-bar-bg {
    flex: 1; height: 36px; background: #8d99ae; border-radius: 6px; position: relative; border: 2px solid #111;
}

/* Các thanh Bar & Drag Handles */
.vmix-bar {
    height: 100%; position: absolute; top: 0; border-radius: 4px; border: 2px solid #111;
    display: flex; align-items: center; justify-content: center; font-size: 0.75rem; font-weight: bold; color: #111; white-space: nowrap; overflow: hidden;
    cursor: grab;
}
.vmix-bar:active { cursor: grabbing; }
.vmix-bar-video { background: var(--clr-sky); cursor: default;}
.vmix-bar-audio { background: var(--clr-mint); }

.vmix-handle {
    position: absolute; top: 0; width: 15px; height: 100%; background: rgba(255,255,255,0.5);
    cursor: ew-resize; z-index: 10;
}
.vmix-handle-l { left: 0; border-right: 1px solid #111; }
.vmix-handle-r { right: 0; border-left: 1px solid #111; }

/* Track Card Settings */
.vmix-track-card {
    background: #f1f3f5; border: 2px solid #111; border-radius: 12px; padding: 15px;
    margin-bottom: 20px; position: relative; box-shadow: 3px 3px 0px #111;
}
.vmix-track-title { margin: 0 0 15px 0; font-size: 1.1rem; font-weight: 900; display: flex; justify-content: space-between;}
.vmix-btn-remove { background: var(--clr-danger); border: 2px solid #111; border-radius: 6px; cursor: pointer; font-weight: bold; padding: 4px 10px; transition: 0.1s;}
.vmix-btn-remove:active { transform: scale(0.9); }

.vmix-control-row { margin-bottom: 12px; display: flex; align-items: center; justify-content: space-between; gap: 10px; flex-wrap: wrap;}
.vmix-control-label { font-size: 0.85rem; font-weight: 800; min-width: 150px; }
.vmix-input-num { width: 80px; padding: 8px; font-family: monospace; font-weight: bold; border: 2px solid #111; border-radius: 6px; text-align: center;}

/* Checkbox Ducking */
.vmix-ducking-box {
    display: flex; align-items: center; gap: 10px; background: var(--clr-sky);
    padding: 10px; border-radius: 8px; border: 2px dashed #111; font-weight: 700; font-size: 0.9rem; margin-top: 15px; cursor: pointer;
}
.vmix-ducking-box input { width: 18px; height: 18px; cursor: pointer;}

/* Nút Thêm Track */
.vmix-btn-add-track {
    background: var(--clr-purple); border: 2px solid #111; border-radius: 8px;
    padding: 8px 15px; font-weight: 800; cursor: pointer; transition: 0.1s; box-shadow: 2px 2px 0px #111; color: #111;
}
.vmix-btn-add-track:active { transform: translate(2px, 2px); box-shadow: 0px 0px 0px #111; }

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

.vmix-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; }
.vmix-status-box h4 { margin: 0 0 10px 0; font-size: 1.05rem; font-weight: 900; }
.vmix-progress-bar { width: 100%; height: 24px; background: #eee; border: 2px solid #111; border-radius: 50px; overflow: hidden; }
.vmix-progress-fill { width: 0%; height: 100%; background: var(--clr-mint); transition: width 0.2s ease; border-right: 2px solid #111;}
.vmix-hint-text { font-size: 0.85rem; color: #555; margin-top: 10px; background: #eee; padding: 10px; border-radius: 8px;}