:root {
    --primary: #00d4aa;
    --primary-dark: #00b894;
    --secondary: #6c5ce7;
    --bg-card: #161b22;
    --bg-input: #0d1117;
    --text-primary: #f0f6fc;
    --text-secondary: #8b949e;
    --border: #30363d;
    --success: #3fb950;
}

.generator-wrapper {
    max-width: 850px;
    margin: 40px auto;
    padding: 0 20px;
}

.hero-section {
    text-align: center;
    margin-bottom: 40px;
}

.hero-section h1 {
    font-size: clamp(1.8rem, 5vw, 2.8rem);
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 10px;
    letter-spacing: 10px;
}

.generator-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 35px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.output-box {
    background: var(--bg-input);
    border: 2px dashed var(--border);
    padding: 25px;
    border-radius: 12px;
    font-family: 'Fira Code', 'Monaco', monospace;
    font-size: 1.4rem;
    text-align: center;
    color: var(--primary);
    word-break: break-all;
    margin-bottom: 25px;
    position: relative;
    transition: all 0.3s ease;
}

.output-box:hover {
    border-color: var(--primary);
}

.control-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 25px;
}

.control-group label {
    display: block;
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.control-group select,
.control-group input[type="number"] {
    width: 100%;
    background: var(--bg-input);
    border: 1px solid var(--border);
    color: var(--text-primary);
    padding: 12px;
    border-radius: 8px;
    font-size: 1rem;
}

.options-flex {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 30px;
    padding: 15px;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 8px;
}

.check-item {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.check-item input {
    accent-color: var(--primary);
    width: 18px;
    height: 18px;
}

.action-btns {
    display: flex;
    gap: 15px;
}

.btn-dvx {
    padding: 15px 25px;
    border-radius: 8px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    flex: 1;
}

.btn-gen {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
}

.btn-copy {
    background: var(--bg-input);
    color: var(--text-primary);
    border: 1px solid var(--border);
}

.btn-dvx:hover {
    transform: translateY(-2px);
    opacity: 0.9;
}

.btn-copy.copied {
    background: var(--success);
    border-color: var(--success);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-top: 40px;
}

.feature-item {
    padding: 20px;
    background: rgba(255, 255, 255, 0.02);
    border-radius: 12px;
    text-align: center;
    border: 1px solid var(--border);
}

.feature-item h4 {
    color: var(--primary);
    margin-bottom: 10px;
}

.feature-item p {
    font-size: 0.85rem;
    color: var(--text-secondary);