.vspd-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-red: #ef233c;
    --clr-navy: #2b2d42;
    --clr-silver: #edf2f4;
    --clr-yellow: #ffb703;

    max-width: 950px; 
    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);
}
.vspd-soft-wrapper * { box-sizing: border-box; }

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

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

/* BỐ CỤC 2 CỘT */
.vspd-main-layout { display: flex; flex-direction: column; gap: 25px; }
.vspd-col { flex: 1; min-width: 0; }
@media (min-width: 768px) { .vspd-main-layout { flex-direction: row; align-items: flex-start; } }

.vspd-group { margin-bottom: 20px; }
.vspd-label { font-weight: 900; font-size: 1rem; margin-bottom: 10px; display: block; }

/* Khung Upload */
.vspd-upload-box {
    background: var(--clr-silver); border: 2px dashed #111; border-radius: 12px;
    padding: 30px 20px; text-align: center; cursor: pointer; transition: 0.2s;
    display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 10px;
}
.vspd-upload-box:hover { filter: brightness(0.95); }
.vspd-icon { font-size: 2.8rem; }
.vspd-filename { font-weight: 800; font-size: 1rem; word-break: break-all; color: #111; }

/* Trình điều khiển Tốc độ */
.vspd-speed-display { font-size: 1.1rem; font-weight: 800; text-align: center; margin-bottom: 15px; color: #111; }
.vspd-speed-display span { color: var(--clr-red); font-size: 1.8rem; font-weight: 900;}

.vspd-timeline-wrapper {
    background: #f1f3f5; border: 2px solid #111; border-radius: 12px; padding: 15px;
    box-shadow: inset 3px 3px 0px rgba(0,0,0,0.05); margin-bottom: 15px;
}
.vspd-slider {
    -webkit-appearance: none; width: 100%; height: 12px;
    background: linear-gradient(to right, #219ebc 0%, var(--clr-red) 100%);
    border: 2px solid #111; border-radius: 20px; outline: none;
}
.vspd-slider::-webkit-slider-thumb {
    -webkit-appearance: none; width: 25px; height: 25px; border-radius: 50%;
    background: #111; border: 2px solid #fff; cursor: pointer; box-shadow: 2px 2px 0px #111; transition: 0.1s;
}
.vspd-slider::-webkit-slider-thumb:active { transform: scale(0.9); }

/* Quick Buttons */
.vspd-quick-btns { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; }
.vspd-btn-quick {
    background: #fff; border: 2px solid #111; border-radius: 8px; padding: 8px 12px;
    font-weight: 800; font-size: 0.85rem; cursor: pointer; box-shadow: 2px 2px 0px #111; transition: 0.1s;
}
.vspd-btn-quick:active { transform: translate(2px, 2px); box-shadow: 0px 0px 0px #111; background: var(--clr-yellow); }

/* Select Box */
.neo-select-wrapper { position: relative; }
.neo-select {
    width: 100%; appearance: none; background: #fff; border: var(--neo-border); border-radius: 8px;
    padding: 14px 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; }

.vspd-hint-text { font-size: 0.85rem; font-weight: 600; color: #111; margin-top: 15px; padding: 12px; background: var(--clr-yellow); border-radius: 8px; border: 1px dashed #111;}

/* Nút Submit */
.vspd-btn-primary {
    width: 100%; padding: 18px; font-family: inherit; font-size: 1.15rem; font-weight: 900; text-transform: uppercase;
    background: var(--clr-red); border: var(--neo-border); border-radius: 12px; cursor: pointer;
    box-shadow: var(--neo-shadow); transition: 0.15s; color: #fff; margin-top: 5px;
}
.vspd-btn-primary:active:not(:disabled) { transform: translate(3px, 3px); box-shadow: var(--neo-shadow-active); }
.vspd-btn-primary:disabled { opacity: 0.6; cursor: not-allowed; filter: grayscale(1); box-shadow: none; transform: none; background: #ccc; color: #111;}

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