.calc-list-layout {
    display: flex;
    gap: 24px;
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 24px 0;
    align-items: flex-start
}

.calc-sidebar {
    width: 220px;
    flex-shrink: 0;
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: 10px;
    overflow: hidden
}

.sidebar-header {
    padding: 12px 16px;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: .5px;
    background: var(--bg-surface-alt)
}

.accordion-item,
.sidebar-header {
    border-bottom: 1px solid var(--border)
}

.accordion-item:last-child {
    border-bottom: none
}

.accordion-header {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 16px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
    background: 0 0;
    border: 0;
    cursor: pointer;
    text-align: left;
    transition: background .15s
}

.accordion-header:hover {
    background: var(--bg-surface-alt)
}

.accordion-header.active {
    color: var(--accent)
}

.accordion-arrow {
    font-size: 10px;
    color: var(--text-muted)
}

.accordion-body {
    padding: 4px 0 8px;
    display: none;
    flex-direction: column;
    gap: 2px
}

.accordion-body.open {
    display: flex
}

.accordion-sub {
    padding: 6px 16px 6px 28px;
    font-size: 13px;
    color: var(--text-secondary);
    background: 0 0;
    border: 0;
    cursor: pointer;
    text-align: left;
    border-radius: 0;
    transition: background .15s, color .15s
}

.accordion-sub:hover {
    background: var(--bg-surface-alt);
    color: var(--text-primary)
}

.accordion-sub.active {
    color: var(--accent);
    background: var(--accent-light)
}

.calc-list-main {
    flex: 1;
    min-width: 0
}

.breadcrumb-search-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 16px;
    flex-wrap: wrap
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    flex-shrink: 0
}

.breadcrumb-link {
    color: var(--text-secondary);
    text-decoration: none
}

.breadcrumb-link:hover {
    color: var(--accent);
    text-decoration: underline
}

.breadcrumb-sep {
    color: var(--text-muted)
}

.breadcrumb-current {
    color: var(--text-primary);
    font-weight: 500
}

.search-bar {
    display: flex;
    gap: 8px;
    width: 480px;
    flex-shrink: 0
}

.search-input {
    flex: 1;
    padding: 8px 14px;
    font-size: 14px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--bg-surface);
    color: var(--text-primary);
    outline: 0;
    transition: border-color .15s;
    min-width: 0
}

.search-input:focus {
    border-color: var(--accent)
}

.search-input::placeholder {
    color: var(--text-muted)
}

.filter-bar {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 24px;
    flex-wrap: wrap
}

.filter-btn {
    padding: 6px 16px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    border-radius: 6px;
    border: 1px solid var(--border);
    background: var(--bg-surface);
    cursor: pointer;
    transition: all .15s ease
}

.filter-btn:hover {
    border-color: var(--accent);
    color: var(--accent)
}

.filter-btn.active {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent)
}

.calc-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px
}

.calc-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: 10px;
    text-decoration: none;
    color: inherit;
    font-size: 13px;
    transition: border-color .15s ease, color .15s ease
}

.calc-card:hover {
    border-color: var(--accent);
    color: var(--accent)
}

.calc-card__name {
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 4px
}

.calc-card__sub {
    font-size: 11px;
    color: var(--text-muted)
}

.calc-card__meta {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0
}

.calc-card__arrow {
    color: var(--text-muted);
    font-size: 16px
}

.calc-category {
    margin-bottom: 32px
}

.calc-category__title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border)
}

@media (max-width:1100px) {
    .calc-grid {
        grid-template-columns: repeat(3, 1fr)
    }
}

@media (max-width:900px) {
    .calc-list-layout {
        flex-direction: column
    }

    .calc-sidebar {
        width: 100%
    }

    .calc-grid {
        grid-template-columns: repeat(2, 1fr)
    }
}

@media (max-width:600px) {
    .calc-grid {
        grid-template-columns: 1fr
    }
}