/* Container */
.chg-wrap {
    max-width: 800px;
    margin: 40px auto;
    padding: 30px;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(12px);
    border-radius: 20px;
    box-shadow: 0 8px 30px rgba(0,0,0,0.08);
    font-family: 'Poppins', sans-serif;
    color: #1e293b;
    transition: all 0.3s ease;
}

/* Heading */
.chg-title {
    font-size: 2rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 15px;
    color: #0f172a;
}
.chg-sub {
    text-align: center;
    font-size: 15px;
    color: #64748b;
    margin-bottom: 25px;
}

/* Labels */
.chg-form label {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 6px;
    display: block;
    color: #334155;
}

/* Inputs */
.chg-row input, 
.chg-row select, 
.chg-advanced textarea {
    width: 100%;
    padding: 12px 14px;
    border-radius: 12px;
    border: 1px solid #e2e8f0;
    background: #f8fafc;
    font-size: 14px;
    transition: 0.3s;
}
.chg-row input:focus, 
.chg-row select:focus, 
.chg-advanced textarea:focus {
    border-color: #6366f1;
    box-shadow: 0 0 0 4px rgba(99,102,241,0.2);
    outline: none;
}

/* Buttons */
.chg-btn {
    background: linear-gradient(135deg, #6366f1, #4f46e5);
    color: #fff;
    border: none;
    padding: 12px 22px;
    font-size: 15px;
    border-radius: 12px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease-in-out;
    display: inline-block;
}
.chg-btn:hover {
    background: linear-gradient(135deg, #4f46e5, #4338ca);
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(79,70,229,0.4);
}
.chg-btn.ghost {
    background: transparent;
    border: 1px solid #cbd5e1;
    color: #475569;
}
.chg-btn.ghost:hover {
    background: #f1f5f9;
}

/* Results */
.chg-results {
    margin-top: 25px;
    display: grid;
    gap: 14px;
}
.chg-hc {
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    padding: 16px;
    border-radius: 14px;
    font-size: 15px;
    line-height: 1.6;
    color: #334155;
    position: relative;
    transition: all 0.3s ease;
}
.chg-hc:hover {
    background: #f1f5f9;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}

/* Responsive */
@media (max-width: 768px) {
    .chg-wrap {
        padding: 20px;
    }
    .grid.two {
        grid-template-columns: 1fr;
    }
}