/* Requirements Index Interactive Table Styles */

/* Filter controls container */
.req-index-controls {
    margin: 2rem 0;
}

.req-filters {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    align-items: center;
    padding: 1rem;
    background: var(--md-code-bg-color);
    border-radius: 0.4rem;
    margin-bottom: 1.5rem;
}

/* Search input */
#req-search {
    flex: 1;
    min-width: 200px;
    padding: 0.5rem 1rem;
    border: 1px solid var(--md-default-fg-color--lightest);
    border-radius: 0.2rem;
    background: var(--md-default-bg-color);
    color: var(--md-default-fg-color);
    font-size: 0.9rem;
}

#req-search:focus {
    outline: none;
    border-color: var(--md-accent-fg-color);
}

/* Filter dropdowns */
#phase-filter,
#priority-filter {
    padding: 0.5rem 1rem;
    border: 1px solid var(--md-default-fg-color--lightest);
    border-radius: 0.2rem;
    background: var(--md-default-bg-color);
    color: var(--md-default-fg-color);
    font-size: 0.9rem;
    cursor: pointer;
}

#phase-filter:focus,
#priority-filter:focus {
    outline: none;
    border-color: var(--md-accent-fg-color);
}

/* Requirements table */
.requirements-table {
    width: 100%;
    border-collapse: collapse;
    margin: 1rem 0;
    background: var(--md-default-bg-color);
}

.requirements-table thead {
    background: var(--md-code-bg-color);
    border-bottom: 2px solid var(--md-default-fg-color--lightest);
}

.requirements-table th {
    padding: 0.75rem 1rem;
    text-align: left;
    font-weight: 600;
    color: var(--md-default-fg-color);
    position: relative;
    user-select: none;
}

.requirements-table th.sortable {
    cursor: pointer;
    transition: background-color 0.2s;
}

.requirements-table th.sortable:hover {
    background: var(--md-default-fg-color--lightest);
}

.requirements-table th.sorted {
    background: var(--md-accent-fg-color--transparent);
}

.sort-icon {
    margin-left: 0.5rem;
    opacity: 0.5;
    font-size: 0.8em;
}

.requirements-table th.sorted .sort-icon {
    opacity: 1;
}

.requirements-table tbody tr {
    border-bottom: 1px solid var(--md-default-fg-color--lightest);
    transition: background-color 0.2s;
}

.requirements-table tbody tr:hover {
    background: var(--md-code-bg-color);
}

.requirements-table td {
    padding: 0.75rem 1rem;
    color: var(--md-default-fg-color);
}

.requirements-table td a {
    color: var(--md-typeset-a-color);
    text-decoration: none;
}

.requirements-table td a:hover {
    text-decoration: underline;
}

/* Responsive design */
@media screen and (max-width: 768px) {
    .req-filters {
        flex-direction: column;
        align-items: stretch;
    }

    #req-search,
    #phase-filter,
    #priority-filter {
        width: 100%;
    }

    .requirements-table {
        font-size: 0.85rem;
    }

    .requirements-table th,
    .requirements-table td {
        padding: 0.5rem;
    }
}