.vloop-soft-wrapper {
    /* Biến nội bộ - Soft Neo-Brutalism */
    --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-lilac: #c8b6ff;
    --clr-lemon: #fdffb6;
    --clr-mint: #9bf6ff;
    --clr-danger: #ffadad;

    max-width: 650px;
    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);
}
.vloop-soft-wrapper * { box-sizing: border-box; }

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

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

.vloop-group { margin-bottom: 20px; }
.vloop-label { font-weight: 900; font-size: 1rem; margin-bottom: 12px; display: block; }

/* Khung Upload */
.vloop-upload-box {
    background: var(--clr-lemon); 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;
}
.vloop-upload-box:hover { filter: brightness(0.95); }
.vloop-icon { font-size: 2.5rem; }
.vloop-filename { font-weight: 800; font-size: 1rem; word-break: break-all; color: #111; }

/* Khu vực Preview */
.vloop-preview-container {
    width: 100%; max-height: 350px; background: #000;
    border: var(--neo-border); border-radius: 12px;
    display: flex; align-items: center; justify-content: center;
    overflow: hidden; box-shadow: inset 4px 4px 0px rgba(0,0,0,0.2);
}
#vloop-preview-video {
    width: 100%; max-height: 350px;
}

/* Bộ điều khiển lặp */
.vloop-loop-controls {
    display: flex; align-items: center; justify-content: center; gap: 15px;
    background: #f1f3f5; padding: 15px; border-radius: 12px; border: 2px solid #111;
}
.vloop-btn-sm {
    background: #fff; border: 2px solid #111; border-radius: 8px; width: 45px; height: 45px;
    font-weight: 900; font-size: 1.2rem; cursor: pointer; box-shadow: 2px 2px 0px #111; transition: 0.1s;
    display: flex; align-items: center; justify-content: center;
}
.vloop-btn-sm:active { transform: translate(2px, 2px); box-shadow: 0px 0px 0px #111; background: var(--clr-mint); }
.vloop-input {
    width: 80px; padding: 10px; font-family: monospace; font-size: 1.5rem; font-weight: 900;
    border: 2px solid #111; border-radius: 8px; text-align: center; box-shadow: inset 2px 2px 0px rgba(0,0,0,0.1); outline: none;
}
.vloop-suffix { font-weight: 800; font-size: 1.1rem; }

.vloop-hint-text { font-size: 0.9rem; font-weight: 600; color: #111; margin-top: 15px; background: var(--clr-mint); padding: 12px; border-radius: 8px; border: 2px dashed #111; text-align: center;}

/* Nút Submit */
.vloop-btn-primary {
    width: 100%; padding: 18px; font-family: inherit; font-size: 1.15rem; font-weight: 900; text-transform: uppercase;
    background: var(--clr-lilac); border: var(--neo-border); border-radius: 12px; cursor: pointer;
    box-shadow: var(--neo-shadow); transition: 0.15s; color: #111; margin-top: 10px;
}
.vloop-btn-primary:active:not(:disabled) { transform: translate(3px, 3px); box-shadow: var(--neo-shadow-active); }
.vloop-btn-primary:disabled { opacity: 0.6; cursor: not-allowed; filter: grayscale(1); box-shadow: none; transform: none; background: #ccc;}

/* Khung Progress */
.vloop-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;
}
.vloop-status-box h4 { margin: 0 0 10px 0; font-size: 1.05rem; font-weight: 900; color: #111; }
.vloop-progress-bar { width: 100%; height: 24px; background: #eee; border: 2px solid #111; border-radius: 50px; overflow: hidden; }
.vloop-progress-fill { width: 0%; height: 100%; background: var(--clr-lilac); transition: width 0.2s ease; border-right: 2px solid #111;}