/* Main Wrapper */
.zk-calculator-wrap {
    margin: 40px auto;
    font-family: 'Open Sans', Helvetica, Arial, sans-serif;
    color: #333;
}

/* Section Cards (The White Boxes) */
.zk-section-card {
    background: #fff;
    border: 1px solid #e1e1e1;
    border-radius: 0 40px 0 40px;
    padding: 30px;
    margin-bottom: 30px; /* Space between cards */
    box-shadow: 0 4px 10px rgba(0,0,0,0.03);
}

/* Internal Grid System (2 columns inside the card) */
.zk-input-grid {
    display: grid;
    grid-template-columns: 1fr 1fr; /* Two equal columns */
    gap: 30px; /* Space between inputs */
}

/* Input Styling */
.zk-input-group {
    display: flex;
    flex-direction: column;
}

/* Full width input for items that don't have a pair (like taxes) */
.zk-full-width {
    grid-column: 1 / -1; 
}

.zk-input-group label {
    font-size: 14px;
    font-weight: 600;
    color: #555;
    margin-bottom: 8px;
}

.zk-input {
    width: 100%;
    box-sizing: border-box;
    padding: 14px 15px;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 15px;
    background: #fcfcfc;
    transition: all 0.2s ease;
}

.zk-input:focus {
    border-color: #fecb00;
    background: #fff;
    outline: none;
    box-shadow: 0 0 0 3px rgba(254, 203, 0, 0.15);
}

/* Nisab Section specific styling */
.zk-nisab-options {
    display: flex;
    gap: 30px;
}
.zk-nisab-options label {
    font-weight: 500;
    cursor: pointer;
    display: flex;
    align-items: center;
}
.zk-nisab-options input {
    margin-right: 10px;
    accent-color: #fecb00;
}

/* Results Footer */
.zk-results-area {
    background: #1a1a1a;
    border-radius: 0 40px 0 40px;
    padding: 40px;
    text-align: center;
    color: #fff;
    margin-top: 40px;
}

.zk-results-row {
    display: flex;
    justify-content: center;
    gap: 80px;
    margin-bottom: 30px;
}

.zk-net label, .zk-payable label {
    display: block;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: #bbb;
    margin-bottom: 10px;
}

#zk_net_amount { font-size: 28px; font-weight: 700; }
#zk_zakat_amount { font-size: 32px; font-weight: 700; color: #fecb00; }

.zk-btn {
    background: #fecb00;
    color: #000;
    border: none;
    padding: 16px 50px;
    font-size: 18px;
    font-weight: 700;
    border-radius: 0 40px 0 40px;
    cursor: pointer;
    transition: transform 0.2s, background 0.2s;
}

.zk-btn:hover {
    background-color: #222222;
    border-color: #222222;
    transform: translateY(-2px);
}

.zk-btn:hover a {
    color: white;
}

/* Mobile Responsiveness */
@media(max-width: 768px) {
    .zk-input-grid {
        grid-template-columns: 1fr; /* Stack inputs on mobile */
        gap: 20px;
    }
    
    .zk-nisab-options {
        flex-direction: column;
        gap: 15px;
    }

    .zk-results-row {
        flex-direction: column;
        gap: 30px;
    }
}