/* ── Heatmap matrix — styles ─────────────────────────────────
   Used on: /knowledge/competencies/matrix/
   No external dependencies.
   ──────────────────────────────────────────────────────────── */

/* ── Filters ─────────────────────────────────────────────── */

.hm-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 1.5rem;
    padding: 1rem 1.25rem;
    background: #fafafa;
    border: 1px solid #e8e8e8;
    border-radius: 8px;
    align-items: flex-end;
}

.hm-filter-item {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}

.hm-filter-item > label {
    font-size: 0.7rem;
    font-weight: 600;
    color: #999;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.hm-filter-item select,
.hm-filter-item input[type="text"] {
    padding: 0.4rem 0.65rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 0.85rem;
    font-family: inherit;
    background: #fff;
    color: #1a1a1a;
    outline: none;
    transition: border-color 0.15s;
}

.hm-filter-item select:focus,
.hm-filter-item input[type="text"]:focus {
    border-color: #aaa;
}

.hm-filter-item select:disabled {
    background: #f5f5f5;
    color: #bbb;
    cursor: not-allowed;
}

.hm-filter-search {
    flex: 1 1 120px;
    min-width: 120px;
}

.hm-filter-search input {
    width: 100%;
}

.hm-filter-check-wrap {
    align-self: flex-end;
    padding-bottom: 0.15rem;
}

.hm-filter-check {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.85rem;
    color: #666;
    cursor: pointer;
    white-space: nowrap;
}

.hm-filter-check input[type="checkbox"] {
    accent-color: #5a7856;
}

/* ── Legend ───────────────────────────────────────────────── */

.hm-legend {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 1rem;
    margin-bottom: 0.75rem;
    font-size: 0.75rem;
    color: #888;
}

.hm-legend-item {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    white-space: nowrap;
}

.hm-legend-chip {
    display: inline-block;
    width: 1.5em;
    height: 1.5em;
    line-height: 1.5em;
    text-align: center;
    border-radius: 3px;
    font-weight: 600;
    font-size: 0.7rem;
    border: 1px solid rgba(0, 0, 0, 0.06);
}

/* ── Summary ─────────────────────────────────────────────── */

.hm-summary {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.2rem 0.45rem;
    padding: 0.4rem 0;
    margin-bottom: 0.5rem;
    font-size: 0.75rem;
    color: #999;
    line-height: 1.6;
}

.hm-sum-item { white-space: nowrap; }
.hm-sum-item strong { color: #666; font-weight: 600; }
.hm-sum-dot { color: #ddd; }
.hm-sum-hint { font-style: italic; }
.hm-sum-growth strong { color: #b47a3a; }

/* ── Copy link button ────────────────────────────────────── */

.hm-copy-link {
    margin-left: auto;
    align-self: flex-end;
    padding: 0.35rem 0.7rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    background: #fff;
    color: #666;
    font-size: 0.78rem;
    font-family: inherit;
    cursor: pointer;
    white-space: nowrap;
    transition: border-color 0.15s, color 0.15s, background 0.15s;
}

.hm-copy-link:hover {
    border-color: #aaa;
    color: #1a1a1a;
}

.hm-copy-done {
    background: #f0f7ef;
    border-color: #b8d4b0;
    color: #5a7856;
}

/* ── Delta badge (compare mode) ──────────────────────────── */

.hm-delta {
    display: inline-block;
    margin-left: 0.2em;
    padding: 0 0.25em;
    font-size: 0.62rem;
    font-weight: 600;
    border-radius: 3px;
    vertical-align: super;
    line-height: 1.4;
}

.hm-delta--pos { background: rgba(90, 120, 86, 0.13); color: #5a7856; }
.hm-delta--neg { background: rgba(180, 122, 58, 0.13); color: #b47a3a; }
.hm-delta--zero { background: rgba(0, 0, 0, 0.05); color: #aaa; }

/* ── Tooltip compare line ────────────────────────────────── */

.hm-tooltip-cmp {
    font-size: 0.72rem;
    color: #888;
    margin-top: 0.25rem;
    padding-top: 0.25rem;
    border-top: 1px solid #f0f0f0;
}

/* ── Table wrapper ───────────────────────────────────────── */

.hm-table-wrap {
    overflow: auto;
    -webkit-overflow-scrolling: touch;
    max-height: 70vh;
    margin-bottom: 2rem;
    border: 1px solid #e8e8e8;
    border-radius: 8px;
}

/* ── Table ────────────────────────────────────────────────── */

.hm-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    font-size: 0.85rem;
}

/* Header */
.hm-table thead th {
    padding: 0.65rem 0.75rem;
    font-size: 0.72rem;
    font-weight: 600;
    color: #666;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    background: #f5f5f5;
    border-bottom: 2px solid #e8e8e8;
    white-space: nowrap;
    text-align: center;
    position: sticky;
    top: 0;
    z-index: 3;
}

.hm-table thead th:first-child {
    text-align: left;
    position: sticky;
    left: 0;
    z-index: 4;
    min-width: 180px;
}

/* Body cells */
.hm-table tbody td {
    padding: 0.5rem 0.75rem;
    border-bottom: 1px solid #f0f0f0;
    text-align: center;
    vertical-align: middle;
    white-space: nowrap;
    font-size: 0.82rem;
}

/* Skill name (first column) */
.hm-skill-name {
    text-align: left !important;
    position: sticky;
    left: 0;
    z-index: 2;
    background: #fff;
    font-weight: 500;
    color: #1a1a1a;
    cursor: pointer;
    white-space: normal !important;
    min-width: 180px;
    max-width: 250px;
    transition: background 0.15s, color 0.15s;
}

/* Group header */
.hm-group-row td {
    padding: 0.55rem 0.75rem;
    font-size: 0.68rem;
    font-weight: 600;
    color: #aaa;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    background: #f8f8f8;
    border-bottom: 1px solid #e8e8e8;
    text-align: left;
    position: sticky;
    left: 0;
    z-index: 2;
}

/* ── Heatmap cell colours ────────────────────────────────── */

.hm-cell {
    cursor: pointer;
    transition: filter 0.1s;
}

.hm-cell--lvl0 { background: #fafafa; color: #ccc; }
.hm-cell--lvl1 { background: #f2f6f1; color: #8a9a85; }
.hm-cell--lvl2 { background: #e2ecdf; color: #5a7856; }
.hm-cell--lvl3 { background: #cfddc9; color: #3a6636; font-weight: 600; }

/* ── Hover — row & column ────────────────────────────────── */

.hm-skill-row:hover .hm-skill-name {
    background: #f0f0f0;
    color: #000;
}

.hm-skill-row:hover .hm-cell {
    filter: brightness(0.96);
}

th.hm-col-hover {
    background: #ededed;
}

td.hm-col-hover {
    filter: brightness(0.97);
}

/* ── Selected column (role filter active) ────────────────── */

th.hm-col-selected {
    background: #eef1f7;
}

td.hm-col-selected {
    box-shadow: inset 2px 0 0 rgba(37, 99, 235, 0.12),
                inset -2px 0 0 rgba(37, 99, 235, 0.12);
}

/* Active role — mute non-selected, enhance selected */
.hm-table-wrap[data-selected-role] .hm-cell:not(.hm-col-selected) {
    opacity: 0.4;
}

.hm-table-wrap[data-selected-role] .hm-th-role:not(.hm-col-selected) {
    opacity: 0.4;
}

.hm-table-wrap[data-selected-role] th.hm-col-selected {
    background: #e4eaf4;
    color: #3a5a8a;
}

.hm-table-wrap[data-selected-role] td.hm-col-selected {
    box-shadow: inset 2px 0 0 rgba(37, 99, 235, 0.22),
                inset -2px 0 0 rgba(37, 99, 235, 0.22);
}

/* ── Tooltip ─────────────────────────────────────────────── */

.hm-tooltip {
    position: fixed;
    z-index: 9999;
    max-width: 320px;
    padding: 0.75rem 1rem;
    background: #fff;
    border: 1px solid #e0e0e0;
    border-radius: 6px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
    font-size: 0.82rem;
    line-height: 1.5;
    pointer-events: none;
}

.hm-tooltip[aria-hidden="true"] { display: none; }

.hm-tooltip-title {
    font-weight: 600;
    color: #1a1a1a;
    margin-bottom: 0.15rem;
}

.hm-tooltip-role {
    font-size: 0.75rem;
    color: #888;
}

.hm-tooltip-sep {
    height: 1px;
    background: #eee;
    margin: 0.4rem 0;
}

.hm-tooltip-level {
    font-size: 0.78rem;
    font-weight: 600;
    color: #5a7856;
    margin-bottom: 0.25rem;
}

.hm-tooltip-desc {
    color: #555;
    margin-bottom: 0.25rem;
}

.hm-tooltip-meaning {
    font-size: 0.78rem;
    font-style: italic;
    color: #777;
    margin-bottom: 0.25rem;
}

.hm-tooltip-weight {
    font-size: 0.72rem;
    color: #aaa;
    margin-top: 0.3rem;
}

/* ── Expanded row ────────────────────────────────────────── */

.hm-expanded-row td {
    padding: 0 !important;
    border-bottom: 2px solid #e0e0e0;
    background: #fafafa;
}

.hm-expanded-content {
    padding: 1rem 1.25rem;
}

.hm-expanded-levels {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 0.75rem;
    margin-bottom: 0.75rem;
}

.hm-expanded-level {
    padding: 0.65rem 0.75rem;
    background: #fff;
    border: 1px solid #e8e8e8;
    border-radius: 4px;
}

.hm-expanded-level-tag {
    font-size: 0.68rem;
    font-weight: 600;
    color: #888;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: 0.35rem;
}

.hm-expanded-level p {
    font-size: 0.82rem;
    color: #555;
    line-height: 1.5;
    margin: 0;
}

.hm-expanded-targets {
    font-size: 0.78rem;
    color: #888;
    margin-bottom: 0.65rem;
    line-height: 1.7;
}

.hm-expanded-targets span { white-space: nowrap; }
.hm-expanded-targets strong { color: #5a7856; font-weight: 600; }

.hm-collapse-btn {
    padding: 0.3rem 0.85rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    background: #fff;
    color: #666;
    font-size: 0.8rem;
    cursor: pointer;
    font-family: inherit;
    transition: border-color 0.15s, color 0.15s;
}

.hm-collapse-btn:hover {
    border-color: #aaa;
    color: #1a1a1a;
}

/* ── Error / Empty states ────────────────────────────────── */

.hm-error,
.hm-empty {
    padding: 2rem 1.5rem;
    text-align: center;
    color: #999;
    font-size: 0.9rem;
    border: 1px solid #e8e8e8;
    border-radius: 8px;
    background: #fafafa;
}

/* ── Responsive ──────────────────────────────────────────── */

@media (max-width: 900px) {
    .hm-delta { font-size: 0.55rem; padding: 0 0.15em; }
    .hm-table-wrap {
        max-height: 60vh;
    }
    .hm-expanded-levels {
        grid-template-columns: 1fr;
    }
}

@media (min-width: 1400px) {
    .hm-table-wrap {
        max-height: 75vh;
    }
}

@media (max-width: 639px) {
    .hm-filters { gap: 0.65rem; padding: 0.75rem; }
    .hm-filter-item { flex: 1 1 calc(50% - 0.5rem); }
    .hm-filter-check-wrap { flex: 1 1 100%; }
    .hm-table { font-size: 0.8rem; }
    .hm-table thead th { padding: 0.5rem 0.55rem; font-size: 0.65rem; }
    .hm-table tbody td { padding: 0.4rem 0.5rem; }
    .hm-skill-name { min-width: 140px !important; max-width: 180px !important; font-size: 0.78rem; }
    .hm-expanded-content { padding: 0.75rem; }
    .hm-expanded-levels { grid-template-columns: 1fr; }
    .hm-tooltip { max-width: 260px; }
    .hm-copy-link { font-size: 0.72rem; padding: 0.3rem 0.55rem; }
    .hm-summary { font-size: 0.7rem; }
    .hm-delta { display: none; }
}