.vgen-neo-wrapper {
    --bg-white: #ffffff;
    --border-ink: 3px solid #111111;
    --shadow-solid: 5px 5px 0px #111111;
    
    --clr-primary: #ef233c;  
    --clr-accent: #ff9f1c;   
    --clr-bg: #f8f9fa;

    max-width: 900px;
    margin: 0 auto;
    font-family: system-ui, -apple-system, sans-serif;
    color: #111111;
    background: var(--clr-bg);
    padding: 25px;
    border: var(--border-ink);
    border-radius: 16px;
    box-shadow: 8px 8px 0px #111;
}

.vgen-neo-wrapper * { box-sizing: border-box; }

.vgen-neo-header { 
    background: var(--clr-primary); color: #fff; 
    border: var(--border-ink); box-shadow: 5px 5px 0px #111; 
    padding: 20px; border-radius: 12px; text-align: center; margin-bottom: 25px; 
}
.vgen-neo-header h2 { margin: 0 0 10px 0; font-size: 1.8rem; font-weight: 900; text-transform: uppercase; }
.vgen-neo-header p { margin: 0; font-weight: 800; font-size: 1rem; }

.vgen-form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 25px; margin-bottom: 25px; }
@media (max-width: 768px) { .vgen-form-grid { grid-template-columns: 1fr; } }

.vgen-col { display: flex; flex-direction: column; gap: 15px; }
.vgen-group { display: flex; flex-direction: column; gap: 8px; }
.vgen-group label { font-weight: 900; font-size: 1.05rem; text-transform: uppercase; }
.vgen-hint { font-size: 0.85rem; color: #555; font-weight: 700; margin: 0; }

.vgen-input-file { 
    border: 2px dashed #111; padding: 15px; border-radius: 8px; 
    background: #fff; font-weight: 700; cursor: pointer; 
}
.vgen-input-file::file-selector-button {
    background: #111; color: #fff; border: none; padding: 8px 15px; 
    border-radius: 6px; font-weight: 800; margin-right: 15px; cursor: pointer;
}

.vgen-settings-row { display: flex; gap: 10px; }
.vgen-select, .vgen-input-time input {
    border: var(--border-ink); border-radius: 8px; padding: 10px; 
    font-weight: 800; outline: none; background: #fff;
}
.vgen-select { flex: 2; box-shadow: 3px 3px 0px #111; }
.vgen-input-time { flex: 1; display: flex; align-items: center; gap: 5px; font-weight: 800; }
.vgen-input-time input { width: 60px; text-align: center; box-shadow: 3px 3px 0px #111; }

/* Cài đặt nâng cao */
.vgen-adv-box { background: #e9ecef; padding: 15px; border-radius: 8px; border: 2px dashed #111; margin-top: 5px; }
.vgen-adv-item { display: flex; align-items: center; gap: 10px; font-size: 0.9rem; font-weight: 700; margin-top: 10px; flex-wrap: wrap;}
.vgen-adv-item input[type="range"] { flex: 1; min-width: 100px; accent-color: #111; }
.vgen-toggle { display: flex; align-items: center; cursor: pointer; }
.vgen-toggle input { margin-right: 8px; width: 18px; height: 18px; accent-color: var(--clr-primary); }

/* Grid chọn ảnh */
.vgen-preview-grid {
    display: grid; grid-template-columns: repeat(auto-fill, minmax(80px, 1fr)); gap: 10px;
    background: #fff; border: var(--border-ink); border-radius: 8px; padding: 10px; min-height: 120px;
}
.vgen-thumb {
    width: 100%; aspect-ratio: 1; object-fit: cover; border: 2px solid transparent; 
    border-radius: 6px; cursor: pointer; transition: all 0.1s;
}
.vgen-thumb.selected {
    border: 3px solid var(--clr-primary); box-shadow: 3px 3px 0px var(--clr-primary); transform: scale(1.05);
}

/* Nút bấm & Status */
.vgen-render-zone { border-top: 4px dashed #111; padding-top: 25px; text-align: center; }
.vgen-neo-btn {
    padding: 18px 30px; font-size: 1.2rem; font-weight: 900; background: #111;
    color: #fff; border: var(--border-ink); border-radius: 12px;
    box-shadow: 5px 5px 0px var(--clr-accent); cursor: pointer; text-transform: uppercase; transition: all 0.1s;
}
.vgen-neo-btn:active { box-shadow: 2px 2px 0px var(--clr-accent); transform: translate(3px, 3px); }
.vgen-neo-btn:disabled { opacity: 0.5; cursor: not-allowed; }

.vgen-status-box { margin-top: 20px; background: #fff; border: var(--border-ink); border-radius: 12px; padding: 20px; box-shadow: var(--shadow-solid); }
.vgen-progress-bar { height: 25px; border: 2px solid #111; border-radius: 20px; overflow: hidden; background: #e9ecef; margin: 10px 0; }
.vgen-progress-fill { height: 100%; width: 0%; background: var(--clr-accent); border-right: 2px solid #111; transition: width 0.1s linear; }
.vgen-status-box h4 { margin: 0; font-weight: 900; }
#vgen-time-text { font-weight: 900; font-family: monospace; font-size: 1.2rem; margin: 0; }