/* ── Shared styles for Avian Data Explorer pages ─────────────────────── */

/* ── Landing page ─────────────────────────────────────────────────────── */
.de-main {
    max-width: 1100px;
    margin: 0 auto;
    padding: 2.5rem 2rem 4rem;
}

.de-intro {
    margin-bottom: 2rem;
}

.de-intro h1 {
    font-family: "Inter", sans-serif;
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--dark);
    margin-bottom: 0.5rem;
}

.de-intro p {
    color: #555;
    font-size: 0.95rem;
    max-width: 640px;
}

/* ── Back link (used on data pages to return to the explorer) ───────────── */
.page-back {
    display: inline-block;
    font-family: "Inter", sans-serif;
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: #888;
    text-decoration: none;
    margin-bottom: 0.35rem;
}

.page-back:hover {
    color: var(--dark);
}

/* ── Shared page layout ───────────────────────────────────────────────── */
.bbd-main {
    max-width: 1100px;
    margin: 0 auto;
    padding: 2.5rem 2rem 4rem;
}

.bbd-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.5rem 0 1.25rem;
    border-bottom: 2px solid var(--amber);
    margin-bottom: 1.5rem;
}

.bbd-header h1 {
    font-family: "Inter", sans-serif;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--dark);
}

#bbd-status {
    font-size: 0.85rem;
    color: #888;
    min-height: 1.4em;
}

/* ── Data table ───────────────────────────────────────────────────────── */
.bbd-table-wrap {
    overflow: scroll;
    max-height: calc(100vh - 240px);
    border: 1px solid #e0e5ed;
    border-radius: 4px;
}

#bbd-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.82rem;
}

#bbd-table th {
    font-family: "Inter", sans-serif;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    font-size: 0.72rem;
    color: #888;
    text-align: left;
    padding: 0.5rem 0.75rem;
    border-bottom: 1px solid #e0e5ed;
    white-space: nowrap;
    position: sticky;
    top: 0;
    background: #fff;
    z-index: 2;
    box-shadow: 0 1px 0 #e0e5ed;
}

#bbd-table th[title] {
    cursor: help;
}

#bbd-table td {
    padding: 0.45rem 0.75rem;
    border-bottom: 1px solid #f0f0f0;
    color: #333;
    vertical-align: top;
}

#bbd-table tr:last-child td {
    border-bottom: none;
}

#bbd-table tbody tr:hover td {
    background: #fafafa;
}

#bbd-table th.is-sortable {
    cursor: pointer;
    user-select: none;
}

#bbd-table th.is-sortable:hover {
    color: var(--dark);
}

#bbd-table th .bbd-sort-arrow {
    display: inline-block;
    margin-left: 0.3rem;
    color: var(--amber);
    font-size: 0.65rem;
}

#bbd-table td.bbd-name-cell {
    cursor: pointer;
    color: var(--dark);
    font-weight: 600;
}

#bbd-table td.bbd-name-cell:hover {
    color: var(--amber);
    text-decoration: underline;
}

#bbd-table tbody tr.bbd-row-selected td {
    background: #fbe9c6;
}

#bbd-table tbody tr.bbd-row-selected:hover td {
    background: #f7dfa8;
}

/* Common-name hover tooltip (photo preview) */
#bbd-name-tooltip {
    position: fixed;
    z-index: 1200;
    pointer-events: none;
    background: var(--dark);
    border-radius: 6px;
    padding: 0.5rem;
    box-shadow: 0 6px 24px rgba(0, 0, 0, 0.3);
}

#bbd-name-tooltip[hidden] {
    display: none;
}

#bbd-name-tooltip .ht-mini-img {
    display: block;
    width: 120px;
    height: 120px;
    object-fit: contain;
    border-radius: 4px;
    background: var(--dark);
}

#bbd-name-tooltip .ht-mini-name {
    color: #fff;
    font-family: "Inter", sans-serif;
    font-size: 0.74rem;
    text-align: center;
    margin-top: 0.35rem;
    max-width: 120px;
}

/* ── Header action group ─────────────────────────── */
.bbd-header-actions {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.btn--ghost {
    background: transparent;
    border: 1.5px solid var(--amber);
    color: var(--dark);
}

.btn--ghost:hover {
    background: var(--amber);
    opacity: 1;
}

/* ── Load Data call-to-action pulse ──────────────── */
.btn--pulse {
    animation: bbd-pulse 2.2s ease-in-out infinite;
}

.btn--pulse:hover {
    animation: none;
}

@keyframes bbd-pulse {
    0%,
    100% {
        box-shadow: 0 0 0 0 rgba(215, 184, 100, 0.55);
    }
    50% {
        box-shadow: 0 0 0 8px rgba(215, 184, 100, 0);
    }
}

@media (prefers-reduced-motion: reduce) {
    .btn--pulse {
        animation: none;
    }
}

/* ── Load Data loading state ─────────────────────── */
.btn--loading {
    position: relative;
    color: transparent;
    pointer-events: none;
}

.btn--loading::after {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0.9em;
    height: 0.9em;
    margin: -0.45em 0 0 -0.45em;
    border: 2px solid var(--dark);
    border-top-color: transparent;
    border-radius: 50%;
    animation: bbd-spin 0.7s linear infinite;
}

@keyframes bbd-spin {
    to {
        transform: rotate(360deg);
    }
}

@media (prefers-reduced-motion: reduce) {
    .btn--loading::after {
        animation: none;
    }
}

/* ── Floating scroll-to-top button ───────────────── */
.scroll-top-btn {
    position: fixed;
    right: 1.5rem;
    bottom: 1.5rem;
    z-index: 900;
    width: 2.75rem;
    height: 2.75rem;
    border-radius: 50%;
    border: none;
    background: var(--dark);
    color: var(--light);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.25);
    opacity: 0;
    transform: translateY(10px);
    pointer-events: none;
    transition: opacity 0.25s ease, transform 0.25s ease, background 0.2s;
}

.scroll-top-btn.is-visible {
    opacity: 0.8;
    transform: translateY(0);
    pointer-events: auto;
}

.scroll-top-btn:hover {
    opacity: 1;
    background: var(--amber);
    color: var(--dark);
}

@media (prefers-reduced-motion: reduce) {
    .scroll-top-btn {
        transition: opacity 0.15s;
    }
}

@media (max-width: 640px) {
    .scroll-top-btn {
        right: 1rem;
        bottom: 1rem;
        width: 2.4rem;
        height: 2.4rem;
    }
}

/* ── Legend modal ────────────────────────────────── */
.lm-overlay {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding: 3rem 1rem;
}

.lm-overlay[hidden] {
    display: none;
}

.lm-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.55);
}

.lm-panel {
    position: relative;
    background: #fff;
    border-radius: 6px;
    width: 100%;
    max-width: 700px;
    max-height: calc(100vh - 6rem);
    display: flex;
    flex-direction: column;
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.2);
}

.lm-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.5rem;
    border-bottom: 2px solid var(--amber);
    flex-shrink: 0;
}

.lm-head h2 {
    font-family: "Inter", sans-serif;
    font-size: 1rem;
    font-weight: 700;
    color: var(--dark);
    margin: 0;
}

.lm-close {
    background: none;
    border: none;
    font-size: 1.4rem;
    line-height: 1;
    cursor: pointer;
    color: #888;
    padding: 0.25rem 0.5rem;
}

.lm-close:hover {
    color: var(--dark);
}

.lm-body {
    overflow-y: auto;
    padding: 1.5rem;
    flex: 1;
}

.lm-section {
    margin-bottom: 2rem;
}

.lm-section:last-child {
    margin-bottom: 0;
}

.lm-section h3 {
    font-family: "Inter", sans-serif;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.07em;
    color: #888;
    margin: 0 0 0.75rem;
    padding-bottom: 0.35rem;
    border-bottom: 1px solid #e8eaf0;
}

.lm-section p {
    font-size: 0.84rem;
    color: #555;
    margin: 0 0 0.6rem;
    line-height: 1.5;
}

.lm-section dl {
    display: grid;
    grid-template-columns: max-content 1fr;
    gap: 0.25rem 1.25rem;
    margin: 0;
}

.lm-section dt {
    font-family: "Inter", sans-serif;
    font-weight: 600;
    font-size: 0.8rem;
    color: var(--dark);
    padding: 0.15rem 0;
    white-space: nowrap;
}

.lm-section dd {
    font-size: 0.82rem;
    color: #444;
    margin: 0;
    padding: 0.15rem 0;
    line-height: 1.5;
}

/* ── Trait Constellation ──────────────────────────────────────────────── */
.tc-controls {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.75rem 1.25rem;
    margin-bottom: 1rem;
}

.tc-field {
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.tc-field label {
    font-family: "Inter", sans-serif;
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: #888;
}

.tc-field select,
.tc-field input {
    font-family: "Public Sans", sans-serif;
    font-size: 0.85rem;
    padding: 0.35rem 0.5rem;
    border: 1px solid #d6dbe4;
    border-radius: 4px;
    background: #fff;
    color: var(--dark);
}

.tc-field input {
    width: 180px;
}

#tc-count {
    font-size: 0.8rem;
    color: #888;
    margin-left: auto;
}

/* Diet color legend */
.tc-legend {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem 1rem;
    padding: 0.75rem 0.9rem;
    background: #fbfaf6;
    border: 1px solid #ece6d4;
    border-radius: 6px;
    margin-bottom: 1.25rem;
}

.tc-legend-title {
    font-family: "Inter", sans-serif;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: #a08a4a;
    width: 100%;
    margin-bottom: 0.1rem;
}

.tc-legend-item {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.78rem;
    color: #555;
}

.tc-swatch {
    width: 11px;
    height: 11px;
    border-radius: 2px;
    flex-shrink: 0;
}

.tc-legend-note {
    width: 100%;
    font-size: 0.74rem;
    color: #998b66;
    margin-top: 0.2rem;
}

/* Grid of glyphs, grouped by taxon */
.tc-canvas {
    max-height: calc(100vh - 320px);
    overflow-y: auto;
    padding-right: 0.5rem;
}

.tc-group {
    margin-bottom: 1.75rem;
}

.tc-group-head {
    font-family: "Inter", sans-serif;
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--dark);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    padding: 0.3rem 0;
    border-bottom: 1px solid #eceff4;
    margin-bottom: 0.75rem;
    position: sticky;
    top: 0;
    background: var(--light);
    z-index: 1;
}

.tc-group-head span {
    color: #aaa;
    font-weight: 500;
    margin-left: 0.4rem;
}

.tc-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, 84px);
    gap: 0.5rem;
    justify-content: start;
}

.tc-glyph {
    width: 84px;
    height: 96px;
    display: flex;
    flex-direction: column;
    align-items: center;
    cursor: pointer;
    border-radius: 6px;
    padding-top: 2px;
    transition: background 0.12s, transform 0.12s;
}

.tc-glyph:hover {
    background: #fff;
    transform: translateY(-2px);
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.1);
}

.tc-glyph svg {
    display: block;
}

.tc-glyph-name {
    font-size: 0.62rem;
    line-height: 1.15;
    text-align: center;
    color: #555;
    margin-top: 2px;
    width: 100%;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.tc-glyph.is-dim {
    opacity: 0.12;
    pointer-events: none;
}

/* Tooltip */
#tc-tooltip {
    position: fixed;
    z-index: 1200;
    pointer-events: none;
    background: var(--dark);
    color: #fff;
    border-radius: 6px;
    padding: 0.7rem 0.85rem;
    font-size: 0.78rem;
    line-height: 1.45;
    max-width: 250px;
    box-shadow: 0 6px 24px rgba(0, 0, 0, 0.3);
}

#tc-tooltip[hidden] {
    display: none;
}

#tc-tooltip .tt-img {
    display: block;
    width: 100%;
    height: 130px;
    object-fit: contain;
    border-radius: 4px;
    margin-bottom: 0.5rem;
    background: var(--dark);
}

#tc-tooltip h4 {
    font-family: "Inter", sans-serif;
    font-size: 0.86rem;
    margin: 0 0 0.1rem;
    color: var(--amber);
}

#tc-tooltip .tt-sci {
    font-style: italic;
    color: #bbb;
    font-size: 0.74rem;
    margin-bottom: 0.4rem;
}

#tc-tooltip dl {
    display: grid;
    grid-template-columns: max-content 1fr;
    gap: 0.05rem 0.6rem;
    margin: 0;
}

#tc-tooltip dt {
    color: #999;
}

#tc-tooltip dd {
    margin: 0;
    color: #fff;
}

.tc-empty {
    color: #888;
    font-size: 0.9rem;
    padding: 2rem 0;
    text-align: center;
}

/* ── Bird Detail Modal & Page ─────────────────────────────────────────────── */

.bd-overlay {
    position: fixed;
    inset: 0;
    z-index: 1300;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding: 2rem 1rem;
    overflow-y: auto;
}
.bd-overlay[hidden] { display: none; }

.bd-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.62);
}

.bd-panel {
    position: relative;
    background: #fff;
    border-radius: 8px;
    width: 100%;
    max-width: 780px;
    min-height: 200px;
    display: flex;
    flex-direction: column;
    box-shadow: 0 14px 54px rgba(0, 0, 0, 0.3);
    overflow: hidden;
    flex-shrink: 0;
    margin: auto;
}

.bd-panel-body {
    overflow-y: auto;
    flex: 1;
}

.bd-close {
    position: absolute;
    top: 0.6rem;
    right: 0.6rem;
    z-index: 2;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(4px);
    border: none;
    border-radius: 50%;
    width: 32px;
    height: 32px;
    font-size: 1.3rem;
    line-height: 1;
    cursor: pointer;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.15s;
}
.bd-close:hover { background: rgba(255, 255, 255, 0.3); }

/* Hero — image + identity */
.bd-hero {
    display: flex;
    gap: 1.5rem;
    padding: 1.5rem;
    background: var(--dark);
    align-items: flex-end;
}

.bd-img-wrap {
    flex-shrink: 0;
    width: 150px;
    height: 150px;
    border-radius: 6px;
    overflow: hidden;
    background: #3a3a3a;
    border: 2px solid rgba(215, 184, 100, 0.3);
}

.bd-img {
    width: 100%;
    height: 100%;
    object-fit: none;
    display: block;
}

.bd-ident {
    flex: 1;
    min-width: 0;
    padding-bottom: 0.1rem;
}

.bd-common-name {
    font-family: "Inter", sans-serif;
    font-size: 1.45rem;
    font-weight: 800;
    color: var(--light);
    line-height: 1.15;
    margin-bottom: 0.25rem;
}

.bd-sci-name {
    font-style: italic;
    color: #bbb;
    font-size: 0.9rem;
    margin-bottom: 0.4rem;
}

.bd-taxon-line {
    font-family: "Inter", sans-serif;
    font-size: 0.7rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: #777;
    margin-bottom: 0.6rem;
}

.bd-status-row {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    flex-wrap: wrap;
    margin-bottom: 0.4rem;
}

.bd-status-badge {
    display: inline-block;
    padding: 0.15rem 0.55rem;
    border-radius: 3px;
    font-family: "Inter", sans-serif;
    font-size: 0.7rem;
    font-weight: 700;
    color: #fff;
    letter-spacing: 0.04em;
}

.bd-status-label {
    font-size: 0.78rem;
    color: #bbb;
}

.bd-band-code {
    font-size: 0.76rem;
    color: #666;
    margin-top: 0.15rem;
}

/* Sections */
.bd-sections {
    padding: 0 1.5rem 2rem;
}

.bd-section {
    padding: 0.9rem 0;
    border-bottom: 1px solid #eef0f4;
}
.bd-section:last-child { border-bottom: none; }

.bd-section-title {
    font-family: "Inter", sans-serif;
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.09em;
    color: #a08a4a;
    margin-bottom: 0.6rem;
}

.bd-dl {
    display: grid;
    grid-template-columns: max-content 1fr;
    gap: 0.18rem 1rem;
    margin: 0;
}

.bd-dl--mt {
    margin-top: 0.65rem;
}

.bd-dl dt {
    font-family: "Inter", sans-serif;
    font-size: 0.78rem;
    font-weight: 500;
    color: #888;
    padding: 0.08rem 0;
    white-space: nowrap;
}

.bd-dl dd {
    font-size: 0.82rem;
    color: #333;
    margin: 0;
    padding: 0.08rem 0;
}

/* Habitat pills */
.bd-hab-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
    margin-top: 0.65rem;
}

.bd-hab-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    background: #f2f5fa;
    border: 1px solid #dce2ec;
    border-radius: 20px;
    padding: 0.15rem 0.6rem 0.15rem 0.3rem;
    font-size: 0.76rem;
    color: #444;
}

.bd-hab-rank {
    width: 18px;
    height: 18px;
    background: var(--amber);
    border-radius: 50%;
    font-family: "Inter", sans-serif;
    font-size: 0.65rem;
    font-weight: 700;
    color: var(--dark);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

/* Diet bars */
.bd-diet-bars {
    margin-top: 0.65rem;
    display: flex;
    flex-direction: column;
    gap: 0.28rem;
}

.bd-diet-row {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.bd-diet-label {
    font-size: 0.76rem;
    color: #555;
    width: 100px;
    flex-shrink: 0;
}

.bd-diet-bar-wrap {
    flex: 1;
    height: 9px;
    background: #f0f0f0;
    border-radius: 5px;
    overflow: hidden;
}

.bd-diet-bar {
    height: 100%;
    border-radius: 5px;
}

.bd-diet-val {
    font-family: "Inter", sans-serif;
    font-size: 0.7rem;
    font-weight: 500;
    color: #888;
    width: 1.5rem;
    text-align: right;
    flex-shrink: 0;
}

.bd-misc-desc {
    font-size: 0.8rem;
    color: #555;
    margin-top: 0.5rem;
    line-height: 1.5;
}

.bd-field-key {
    font-family: "Inter", sans-serif;
    font-weight: 600;
    color: #888;
    font-size: 0.76rem;
}

/* Tags (social / movement) */
.bd-tag-group {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
}

.bd-tag {
    background: #f0f3f8;
    border: 1px solid #d6dde8;
    border-radius: 4px;
    padding: 0.2rem 0.55rem;
    font-size: 0.76rem;
    color: #444;
    font-family: "Inter", sans-serif;
    font-weight: 500;
}

.bd-empty {
    font-size: 0.82rem;
    color: #aaa;
}

/* Standalone page wrapper — mirrors modal panel look */
.bd-page-wrap {
    max-width: 780px;
    margin: 1rem auto 4rem;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 28px rgba(0, 0, 0, 0.1);
}

.bd-page-nav {
    max-width: 780px;
    margin: 0 auto;
    padding: 1.5rem 1rem 0;
}

@media (max-width: 600px) {
    .bd-hero {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }

    .bd-img-wrap {
        width: 100%;
        height: 180px;
    }

    .bd-sections {
        padding: 0 1rem 1.5rem;
    }

    .bd-common-name {
        font-size: 1.15rem;
    }
}

/* ── Size & Life-History Scaling ─────────────────────────────────────── */
.lh-coverage {
    font-size: 0.82rem;
    color: #777;
    margin: 0 0 0.15rem;
}

.lh-coverage--sparse {
    color: #b8862e;
    font-weight: 500;
}

.lh-insight {
    font-size: 0.86rem;
    font-style: italic;
    color: #555;
    margin: 0 0 1.1rem;
    max-width: 720px;
}

.lh-chart-wrap {
    position: relative;
    margin-bottom: 1rem;
}

.lh-svg {
    width: 100%;
    height: auto;
    display: block;
    background: #fff;
    border: 1px solid #eceff4;
    border-radius: 6px;
}

.lh-svg[hidden] {
    display: none;
}

.lh-point {
    transition: cy 0.6s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.35s ease, fill 0.3s ease;
}

.lh-point:hover {
    r: 5.5;
}

/* Brushed species list */
.lh-brush-panel {
    background: #fbfaf6;
    border: 1px solid #ece6d4;
    border-radius: 6px;
    padding: 0.85rem 1rem;
    margin-bottom: 1.5rem;
}

.lh-brush-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.6rem;
}

.lh-brush-head span {
    font-family: "Inter", sans-serif;
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--dark);
}

.lh-brush-list {
    max-height: 220px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 1px;
}

.lh-brush-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    padding: 0.3rem 0.4rem;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.82rem;
}

.lh-brush-item:hover {
    background: #fff;
}

.lh-brush-name {
    color: var(--dark);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.lh-brush-item:hover .lh-brush-name {
    color: var(--amber);
}

.lh-brush-meta {
    color: #888;
    flex-shrink: 0;
    font-size: 0.78rem;
}

.lh-brush-empty {
    font-size: 0.82rem;
    color: #aaa;
    padding: 0.4rem;
}

/* ── Weights of Birds ─────────────────────────────────────────────────── */
.wb-tabs {
    display: flex;
    gap: 0.4rem;
    margin-bottom: 1.1rem;
}

.wb-tab {
    font-family: "Inter", sans-serif;
    font-size: 0.82rem;
    font-weight: 700;
    padding: 0.45rem 0.9rem;
    border: 1px solid #d6dbe4;
    border-radius: 20px;
    background: #fff;
    color: #888;
    cursor: pointer;
    transition: background 0.15s, color 0.15s, border-color 0.15s;
}

.wb-tab:hover {
    border-color: var(--amber);
    color: var(--dark);
}

.wb-tab.is-active {
    background: var(--dark);
    border-color: var(--dark);
    color: #fff;
}

.wb-canvas {
    --wb-name-col: 210px;
    --wb-track-h: 34px;
}

.wb-axis {
    display: flex;
    align-items: center;
    margin-bottom: 0.5rem;
}

.wb-axis-spacer {
    flex: 0 0 var(--wb-name-col);
}

.wb-axis-ticks {
    flex: 1;
    position: relative;
    height: 16px;
}

.wb-tick-label {
    position: absolute;
    top: 0;
    font-family: "Inter", sans-serif;
    font-size: 0.66rem;
    color: #9aa0aa;
    white-space: nowrap;
}

.wb-list {
    max-height: calc(100vh - 400px);
    overflow-y: auto;
    padding-right: 0.5rem;
}

.wb-rows {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.wb-row {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.3rem 0.4rem;
    border-radius: 4px;
}

.wb-row:hover {
    background: #fff;
    box-shadow: 0 1px 6px rgba(0, 0, 0, 0.08);
}

.wb-name {
    flex: 0 0 var(--wb-name-col);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-size: 0.82rem;
    color: var(--dark);
    text-decoration: none;
    cursor: pointer;
}

.wb-name:hover {
    color: var(--amber);
    text-decoration: underline;
}

.wb-bar-track {
    flex: 1;
    position: relative;
    height: var(--wb-track-h);
    background: #fafafa;
    border: 1px solid #eceff4;
    border-radius: 4px;
    overflow: hidden;
}

.wb-tick-line {
    position: absolute;
    top: 0;
    bottom: 0;
    width: 1px;
    background: rgba(0, 0, 0, 0.05);
}

.wb-bar {
    position: absolute;
    border-radius: 2px;
    min-width: 3px;
}

.wb-avg-tick {
    position: absolute;
    top: 0;
    bottom: 0;
    width: 2px;
    margin-left: -1px;
    background: #1a1a1a;
}

.wb-no-data {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    padding-left: 0.6rem;
    font-size: 0.74rem;
    color: #aaa;
    font-style: italic;
}

/* Dumbbell rows (Sexual Dimorphism tab) */
.wb-dumbbell-line {
    position: absolute;
    top: 50%;
    height: 2px;
    margin-top: -1px;
    background: #c7cbd3;
}

.wb-dot {
    position: absolute;
    top: 50%;
    width: 11px;
    height: 11px;
    border-radius: 50%;
    margin-left: -5.5px;
    margin-top: -5.5px;
    border: 1.5px solid #fff;
    box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.1);
}

.wb-dot--f {
    background: #d65a9a;
}

.wb-dot--m {
    background: #3d7bc0;
}

.wb-ratio-badge {
    flex: 0 0 76px;
    text-align: right;
    font-family: "Inter", sans-serif;
    font-size: 0.78rem;
    font-weight: 700;
    white-space: nowrap;
}

/* Tooltip (species image + mass values) */
#wb-tooltip {
    position: fixed;
    z-index: 1200;
    pointer-events: none;
    background: var(--dark);
    color: #fff;
    border-radius: 6px;
    padding: 0.7rem 0.85rem;
    font-size: 0.78rem;
    line-height: 1.45;
    max-width: 260px;
    box-shadow: 0 6px 24px rgba(0, 0, 0, 0.3);
}

#wb-tooltip[hidden] {
    display: none;
}

.wb-tt-head {
    display: flex;
    gap: 0.6rem;
    align-items: center;
    margin-bottom: 0.5rem;
}

.wb-tt-img {
    width: 48px;
    height: 60px;
    object-fit: contain;
    border-radius: 4px;
    background: #333;
    flex-shrink: 0;
}

.wb-tt-head h4 {
    font-family: "Inter", sans-serif;
    font-size: 0.86rem;
    margin: 0 0 0.1rem;
    color: var(--amber);
}

.wb-tt-head .tt-sci {
    font-style: italic;
    color: #bbb;
    font-size: 0.74rem;
}

#wb-tooltip dl {
    display: grid;
    grid-template-columns: max-content 1fr;
    gap: 0.05rem 0.6rem;
    margin: 0;
}

#wb-tooltip dt {
    color: #999;
}

#wb-tooltip dd {
    margin: 0;
    color: #fff;
}

/* ── Bubble Explorer (bx-) ──────────────────────────────────────────── */

.bx-presets {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.55rem;
    margin-bottom: 1rem;
}

.bx-presets-label {
    font-family: "Inter", sans-serif;
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: #888;
    margin-right: 0.15rem;
}

.bx-preset-btn {
    font-family: "Public Sans", sans-serif;
    font-size: 0.82rem;
    padding: 0.4rem 0.85rem;
    border: 1px solid #d6dbe4;
    border-radius: 999px;
    background: #fff;
    color: var(--dark);
    cursor: pointer;
    transition: background 0.2s, border-color 0.2s, color 0.2s, transform 0.15s;
}

.bx-preset-btn:hover {
    border-color: var(--amber, #d7b864);
    color: var(--amber, #a08a4a);
    transform: translateY(-1px);
}

.bx-preset-btn.is-active {
    background: var(--dark);
    border-color: var(--dark);
    color: #fff;
}

.tc-field select:disabled,
.bx-preset-btn:disabled {
    opacity: 0.5;
    cursor: default;
}

/* Bubbles — the transition is the whole point: cx/cy/r/fill animate on any
   attribute change (SVG2 geometry properties are CSS-animatable in modern
   browsers), so switching axes or color just glides. */
.bx-bubble {
    transition:
        cx 0.75s cubic-bezier(0.22, 1, 0.36, 1),
        cy 0.75s cubic-bezier(0.22, 1, 0.36, 1),
        r 0.55s cubic-bezier(0.22, 1, 0.36, 1),
        fill 0.5s ease,
        stroke 0.3s ease,
        opacity 0.45s ease;
    stroke: rgba(255, 255, 255, 0.55);
    stroke-width: 0.75;
    cursor: pointer;
}

.bx-bubble:hover {
    stroke: var(--dark);
    stroke-width: 1.5;
    filter: drop-shadow(0 2px 6px rgba(0, 0, 0, 0.25));
}

.bx-axis-label {
    font-family: "Inter", sans-serif;
    font-size: 12px;
    font-weight: 700;
    fill: #555;
}

.bx-axis-cat-label {
    font-family: "Public Sans", sans-serif;
    font-size: 11px;
    fill: #5c6270;
}

.bx-axis-tick-label {
    font-family: "Public Sans", sans-serif;
    font-size: 11px;
    fill: #8a8f99;
}

.bx-gridline {
    stroke: #f0f2f6;
}

.bx-cell-divider {
    stroke: #e1e5ec;
    stroke-dasharray: 2 3;
}

.bx-ref-line {
    stroke: #c9a24a;
    stroke-width: 1.25;
    stroke-dasharray: 4 3;
    opacity: 0.75;
}

.bx-ref-label {
    font-family: "Public Sans", sans-serif;
    font-size: 10px;
    fill: #a08a4a;
}

#bx-tooltip {
    position: fixed;
    z-index: 1200;
    pointer-events: none;
    background: var(--dark);
    color: #fff;
    border-radius: 6px;
    padding: 0.7rem 0.85rem;
    font-size: 0.78rem;
    line-height: 1.45;
    max-width: 260px;
    box-shadow: 0 6px 24px rgba(0, 0, 0, 0.3);
}

#bx-tooltip[hidden] {
    display: none;
}

#bx-tooltip dl {
    display: grid;
    grid-template-columns: max-content 1fr;
    gap: 0.05rem 0.6rem;
    margin: 0;
}

#bx-tooltip dt {
    color: #999;
}

#bx-tooltip dd {
    margin: 0;
    color: #fff;
}

.bx-note {
    font-size: 0.74rem;
    color: #998b66;
    margin: -0.35rem 0 1rem;
}

/* ── Species search + side panel (shared: Bubble Explorer, ─────────────
   Size & Life-History Scaling) — locate one species among many plotted
   points instead of hovering blindly, see a persistent detail card, and
   get a name-only hover tooltip everywhere else on the chart. */

#lh-tooltip {
    position: fixed;
    z-index: 1200;
    pointer-events: none;
    background: var(--dark);
    color: #fff;
    border-radius: 6px;
    padding: 0.4rem 0.65rem;
    font-size: 0.82rem;
    box-shadow: 0 6px 24px rgba(0, 0, 0, 0.3);
}

#lh-tooltip[hidden] {
    display: none;
}

.sp-tip-name {
    font-family: "Inter", sans-serif;
    font-weight: 700;
}

.sp-layout {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
}

.sp-layout .lh-chart-wrap {
    flex: 1;
    min-width: 0;
}

.sp-side {
    width: 260px;
    flex-shrink: 0;
}

@media (max-width: 900px) {
    .sp-layout {
        flex-direction: column;
    }
    .sp-side {
        width: 100%;
    }
}

.sp-search {
    position: relative;
    margin-bottom: 0.9rem;
}

.sp-search-input-row {
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

.sp-search-input-row input {
    flex: 1;
    width: auto;
    font-family: "Public Sans", sans-serif;
    font-size: 0.85rem;
    padding: 0.4rem 0.55rem;
    border: 1px solid #d6dbe4;
    border-radius: 4px;
    background: #fff;
    color: var(--dark);
}

.sp-search-clear {
    border: none;
    background: none;
    color: #999;
    font-size: 1.1rem;
    line-height: 1;
    cursor: pointer;
    padding: 0.2rem 0.4rem;
}

.sp-search-clear:hover {
    color: #555;
}

.sp-search-list {
    position: absolute;
    top: calc(100% + 3px);
    left: 0;
    right: 0;
    z-index: 60;
    background: #fff;
    border: 1px solid #d6dbe4;
    border-radius: 4px;
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.12);
    max-height: 240px;
    overflow-y: auto;
    list-style: none;
    margin: 0;
    padding: 0.25rem 0;
}

.sp-search-list[hidden] {
    display: none;
}

.sp-search-item {
    padding: 0.35rem 0.6rem;
    cursor: pointer;
    display: flex;
    align-items: baseline;
    gap: 0.5rem;
}

.sp-search-item.is-active,
.sp-search-item:hover {
    background: #f2ede0;
}

.sp-item-name {
    font-family: "Inter", sans-serif;
    font-weight: 600;
    font-size: 0.82rem;
    color: var(--dark);
}

.sp-item-sci {
    font-style: italic;
    font-size: 0.72rem;
    color: #999;
}

.sp-panel {
    border: 1px solid #e0e5ed;
    border-radius: 6px;
    padding: 0.85rem;
    background: #fff;
    min-height: 120px;
}

.sp-panel-placeholder {
    font-size: 0.82rem;
    color: #888;
    line-height: 1.5;
    margin: 0;
}

.sp-panel-img {
    display: block;
    width: 100%;
    height: 140px;
    object-fit: contain;
    object-position: center;
    border-radius: 4px;
    margin-bottom: 0.5rem;
    background: #f2ede0;
}

.sp-panel-name {
    font-family: "Inter", sans-serif;
    font-weight: 700;
    font-size: 0.95rem;
    color: var(--dark);
}

.sp-panel-img,
.sp-panel-name {
    cursor: pointer;
}

.sp-panel-sci {
    font-style: italic;
    font-size: 0.78rem;
    color: #888;
    margin-bottom: 0.4rem;
}

.sp-panel dl {
    display: grid;
    grid-template-columns: max-content 1fr;
    gap: 0.2rem 0.6rem;
    margin: 0.5rem 0 0;
}

.sp-panel dt {
    font-size: 0.78rem;
    color: #999;
}

.sp-panel dd {
    margin: 0;
    font-size: 0.85rem;
    color: var(--dark);
    text-align: right;
    font-variant-numeric: tabular-nums;
}

.sp-ring-halo,
.sp-ring-core {
    fill: none;
    pointer-events: none;
    /* Visibility is driven entirely by the JS-set `opacity` presentation
       attribute (updateSelectionRing() sets 0/0.9/1) — a CSS `opacity`
       property here would permanently win over that attribute and hide
       the ring regardless of what JS sets, so it's deliberately absent.
       Starting r="0" (see the initial el() call) is what keeps the ring
       invisible before a selection exists. */
    /* Same cx/cy/r as each other (see updateSelectionRing()) — only the
       stroke-width differs, so the wider halo peeks out as a light margin
       on both sides of the darker core. Scale-pulse needs its origin fixed
       at the circle's own center regardless of position/radius. */
    transform-box: fill-box;
    transform-origin: 50% 50%;
}

.sp-ring-halo {
    stroke: #fff;
    stroke-width: 8;
}

.sp-ring-core {
    stroke: #1a1a1a;
    stroke-width: 4;
}

/* Plays 3 times when a species is newly selected via search, so the user's
   eye can find the ring even in a dense cluster of bubbles/dots. Pure
   transform scale (not opacity or r) so it never fights the persistent
   opacity/position set by updateSelectionRing(). */
.sp-ring-pulse {
    animation: sp-ring-pulse-kf 0.5s ease-in-out 3;
}

@keyframes sp-ring-pulse-kf {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.5); }
}

/* Glide in sync with each page's own point-transition timing (see .bx-bubble
   / .lh-point) rather than snapping straight to the new position. */
#bx-svg .sp-ring-halo,
#bx-svg .sp-ring-core {
    transition:
        cx 0.75s cubic-bezier(0.22, 1, 0.36, 1),
        cy 0.75s cubic-bezier(0.22, 1, 0.36, 1),
        r 0.55s cubic-bezier(0.22, 1, 0.36, 1),
        opacity 0.3s ease;
}

#lh-svg .sp-ring-halo,
#lh-svg .sp-ring-core {
    transition:
        cy 0.6s cubic-bezier(0.4, 0, 0.2, 1),
        opacity 0.3s ease;
}