body {
    background: var(--bg-secondary);
}

.zk-calc-main-row {
    display: flex;
    gap: 1.5rem;
    max-width: 1100px;
    margin: 4rem auto 1.5rem auto;
    align-items: flex-start;
    padding-left: 1rem;
    padding-top: 1rem;
}

.zk-calc-form-section {
    flex: 0 0 350px;
    max-width: 350px;
    min-width: 0;
    background: var(--bg-primary);
    border-radius: 12px;
    box-shadow: 0 2px 12px rgba(44, 90, 160, 0.08);
    padding: 1.2rem 0.5rem;
}

.zk-calc-form-area {
    width: 100%;
}

.zk-calc-list-section {
    flex: 1 1 0;
    min-width: 0;
    background: var(--bg-primary);
    border-radius: 12px;
    box-shadow: 0 2px 12px rgba(44, 90, 160, 0.08);
    padding: 1.2rem 1rem;
}

.zk-calc-list-area {
    width: 100%;
}

.zk-section-title {
    font-size: 1.05rem;
    color: var(--primary-gold);
    background: transparent;
    padding: 0.5rem 0 0.3rem 0;
    border-radius: 0;
    margin-bottom: 0.7rem;
    letter-spacing: 0.5px;
    font-weight: 700;
}

.zk-section-desc {
    background: var(--bg-secondary);
    color: var(--text-secondary);
    border-radius: 8px;
    padding: 0.7rem 0.7rem 1rem 0.7rem;
    margin-bottom: 1rem;
    font-size: 0.97rem;
    box-shadow: 0 1px 4px rgba(44, 90, 160, 0.03);
}

.zk-calc-type-buttons {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.25rem;
    margin-bottom: 0.7rem;
    width: 100%;
    box-sizing: border-box;
    overflow: hidden;
}

.zk-type-btn {
    background: var(--primary-gold);
    color: var(--primary-dark);
    border: none;
    padding: 0.25rem 0.5rem;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
    font-size: 0.7rem;
    transition: background 0.2s, color 0.2s, box-shadow 0.2s;
    margin-bottom: 0.2rem;
    box-shadow: 0 1px 4px rgba(44, 90, 160, 0.03);
    min-width: 0;
    white-space: nowrap;
}

.zk-type-btn.active,
.zk-type-btn:hover {
    background: var(--accent-blue);
    color: #fff;
    box-shadow: 0 2px 8px rgba(44, 90, 160, 0.08);
}

.zk-calc-form-fields {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    margin-bottom: 1rem;
}

.zk-calc-form-fields label {
    font-weight: 600;
    color: var(--primary-gold);
    margin-bottom: 0.1rem;
    font-size: 0.97rem;
}

.zk-calc-form-fields select,
.zk-calc-form-fields input {
    padding: 0.32rem 0.6rem;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 0.97rem;
    background: var(--bg-secondary);
    color: var(--text-primary);
    transition: border 0.2s;
}

.zk-calc-form-fields select:focus,
.zk-calc-form-fields input:focus {
    border: 1.5px solid var(--primary-gold);
    outline: none;
}

.zk-calc-form-fields button {
    background: var(--accent-blue);
    color: #fff;
    border: none;
    padding: 0.4rem 1.1rem;
    border-radius: 7px;
    font-weight: 600;
    cursor: pointer;
    font-size: 1rem;
    margin-top: 0.4rem;
    transition: background 0.2s, box-shadow 0.2s;
    box-shadow: 0 1px 4px rgba(44, 90, 160, 0.06);
}

.zk-calc-form-fields button:hover {
    background: var(--primary-gold);
    color: var(--primary-dark);
    box-shadow: 0 2px 8px rgba(255, 215, 0, 0.08);
}

.zk-list-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--bg-secondary);
    color: var(--accent-blue);
    padding: 0.5rem 0.7rem;
    border-radius: 8px 8px 0 0;
    font-weight: 700;
    font-size: 0.97rem;
    margin-bottom: 0.3rem;
    border-bottom: 1.2px solid var(--primary-gold);
}

.zk-list-header button {
    background: none;
    border: none;
    color: var(--accent-blue);
    font-size: 0.97rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.2rem;
    transition: color 0.2s;
}

.zk-list-header button:hover {
    color: var(--primary-gold);
}

#zk-asset-list {
    min-height: 60px;
    margin-bottom: 0.7rem;
}

.zk-asset-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--bg-secondary);
    border-radius: 8px;
    padding: 0.6rem 0.8rem;
    margin-bottom: 0.4rem;
    font-size: 0.97rem;
    box-shadow: 0 1px 3px rgba(44, 90, 160, 0.04);
    border-left: 3px solid var(--primary-gold);
}

.zk-asset-item .zk-asset-type {
    font-weight: 600;
    color: var(--accent-blue);
}

.zk-asset-item .zk-asset-amount {
    color: var(--text-primary);
    margin-left: 0.7rem;
}

.zk-asset-item .zk-asset-remove {
    background: none;
    border: none;
    color: #e74c3c;
    font-size: 1em;
    cursor: pointer;
    margin-left: 0.7rem;
    transition: color 0.2s;
}

.zk-asset-item .zk-asset-remove:hover {
    color: #b71c1c;
}

.zk-list-summary {
    margin-top: 1rem;
    text-align: right;
}

.zk-list-total {
    font-size: 1.07rem;
    color: var(--primary-gold);
    font-weight: 700;
    background: var(--bg-secondary);
    padding: 0.7rem 1rem;
    border-radius: 8px;
    display: inline-block;
    box-shadow: 0 1px 4px rgba(44, 90, 160, 0.03);
}

.zk-how-section {
    padding: 2rem 0 1.2rem 0;
    background: var(--bg-primary);
}

.zk-how-container {
    max-width: 700px;
    margin: 0 auto;
    background: var(--bg-secondary);
    border-radius: 12px;
    box-shadow: 0 1px 6px rgba(44, 90, 160, 0.06);
    padding: 1.2rem 0.7rem;
}

.zk-how-content {
    font-size: 1.01rem;
    color: var(--text-primary);
}

.zk-how-content ol {
    margin: 0.7rem 0 0.7rem 1.1rem;
    padding-left: 1.1rem;
}

.zk-how-content li {
    margin-bottom: 0.4rem;
}

@media (max-width: 900px) {
    .zk-calc-main-row {
        flex-direction: column;
        gap: 0.7rem;
        max-width: 100%;
        margin: 1.5rem auto 1rem auto;
    }

    .zk-calc-form-section,
    .zk-calc-list-section {
        max-width: 100%;
        padding: 0.7rem 0.2rem;
    }

    .zk-how-container {
        padding: 0 1rem;
    }
}

@media (max-width: 700px) {
    .zk-calc-type-buttons {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 400px) {
    .zk-calc-type-buttons {
        grid-template-columns: 1fr;
    }
}