/* ==========================================================================
   Catalog of Eccentric Binary Black Holes — page styles
   --------------------------------------------------------------------------
   Palette:
     #292626  background (deep charcoal)
     #dee6ee  primary text / strong outline
     #acb4bd  secondary text / soft outline
     #942941  accent magenta-red
     #e63929  accent red
     #838383  muted grey
     #520000  deep maroon
     #108bac  accent teal
     #29e6ff  accent cyan / glow
   ========================================================================== */

.catalog-blog {
    background: #000000;
    min-height: 100vh;
    padding: 5rem 3rem 5rem;
    color: #dee6ee;
    font-family: 'Inter', 'Helvetica Neue', Helvetica, Arial, sans-serif;
    display: flex;
    flex-direction: column;
    /* Large gap between observing runs so each is visually its own
     * "chapter" of the catalog. */
    gap: 5rem;
}

/* Each observing run is its own section, anchored by a heading. */
.catalog-box {
    position: relative;
    background: transparent;
    width: 100%;
    box-sizing: border-box;
}

/* ----- Intro header ----- */

.catalog-intro {
    max-width: 75%;
    margin: 0 auto 2rem;
    padding: 0 0 1.2rem;
    border-bottom: 1px solid #292626;
}

.catalog-intro .catalog-title {
    font-family: 'JetBrains Mono', 'Courier New', monospace;
    font-size: 1.9rem;
    font-weight: 600;
    letter-spacing: 1.5px;
    color: #dee6ee;
    margin: 0 0 1.1rem;
}

.catalog-intro p {
    color: #acb4bd;
    font-size: 0.92rem;
    line-height: 1.55;
    margin: 0 0 0.8rem;
}

.catalog-intro p:last-child {
    margin-bottom: 0;
}

.catalog-intro code {
    font-family: 'JetBrains Mono', 'Courier New', monospace;
    font-size: 0.82rem;
    color: #29e6ff;
    background: rgba(41, 230, 255, 0.06);
    border: 1px solid rgba(41, 230, 255, 0.18);
    padding: 0.04rem 0.35rem;
    border-radius: 3px;
}

.catalog-intro a {
    color: #29e6ff;
    text-decoration: none;
    border-bottom: 1px dashed rgba(41, 230, 255, 0.4);
}

.catalog-intro a:hover {
    border-bottom-style: solid;
}

/* ----- Mode selector (pretty / expert) ----- */

.mode-selector {
    margin: 0 0 1rem;
}

.mode-sentence {
    font-family: 'Inter', 'Helvetica Neue', Helvetica, Arial, sans-serif;
    font-size: 0.92rem;
    color: #acb4bd;
    line-height: 2;
}

.mode-toggle {
    display: inline;
}

.mode-btn {
    appearance: none;
    display: inline-block;
    background: transparent;
    border: 1px solid #4a4a4a;
    color: #acb4bd;
    font-family: 'JetBrains Mono', 'Courier New', monospace;
    font-size: 0.82rem;
    letter-spacing: 0.3px;
    padding: 0.2rem 0.7rem;
    margin: 0 0.2rem;
    border-radius: 999px;
    cursor: pointer;
    vertical-align: baseline;
    transition: color 120ms ease, border-color 120ms ease,
                background 120ms ease, box-shadow 120ms ease;
}

.mode-btn:hover {
    color: #29e6ff;
    border-color: #108bac;
}

.mode-btn.is-active {
    color: #29e6ff;
    border-color: #29e6ff;
    background: rgba(41, 230, 255, 0.08);
    box-shadow: 0 0 10px rgba(41, 230, 255, 0.15);
}

.intro-text[hidden] {
    display: none;
}

/* ----- Population-prior selector ----- */

.prior-selector {
    padding: 0.9rem 1.2rem;
    border: 1px solid #292626;
    border-radius: 6px;
    background: rgba(16, 139, 172, 0.04);
    margin-bottom: -2.5rem;
}

.prior-sentence,
.prior-fraction-sentence {
    font-family: 'Inter', 'Helvetica Neue', Helvetica, Arial, sans-serif;
    font-size: 0.92rem;
    color: #acb4bd;
    line-height: 2;
    margin: 0;
}

.prior-fraction-sentence[hidden] {
    display: none;
}

.event-filter-sentence {
    font-family: 'Inter', 'Helvetica Neue', Helvetica, Arial, sans-serif;
    font-size: 0.92rem;
    color: #acb4bd;
    line-height: 2;
    margin: 0.4rem 0 0;
}

.event-filter-toggle {
    display: inline;
}

/* Shared inline-button style for both the belief toggle and the
 * fraction pills. Slightly smaller than body text so they read as
 * interactive tokens inside a sentence. */
.prior-belief-btn,
.prior-btn,
.filter-btn {
    appearance: none;
    display: inline-block;
    background: transparent;
    border: 1px solid #4a4a4a;
    color: #acb4bd;
    font-family: 'JetBrains Mono', 'Courier New', monospace;
    font-size: 0.82rem;
    letter-spacing: 0.3px;
    padding: 0.2rem 0.7rem;
    margin: 0 0.2rem;
    border-radius: 999px;
    cursor: pointer;
    vertical-align: baseline;
    transition: color 120ms ease, border-color 120ms ease,
                background 120ms ease, box-shadow 120ms ease;
}

.prior-belief-btn:hover,
.prior-btn:hover,
.filter-btn:hover {
    color: #29e6ff;
    border-color: #108bac;
}

.prior-belief-btn.is-active,
.prior-btn.is-active,
.filter-btn.is-active {
    color: #29e6ff;
    border-color: #29e6ff;
    background: rgba(41, 230, 255, 0.08);
    box-shadow: 0 0 10px rgba(41, 230, 255, 0.15);
}

.prior-belief-toggle,
.prior-fraction-buttons {
    display: inline;
}

/* ----- Per-run heading ----- */

.run-heading {
    display: flex;
    align-items: baseline;
    gap: 1rem;
    margin: 0 0 1.25rem 0;
    padding-bottom: 0.6rem;
    border-bottom: 1px solid #292626;
}

.run-heading .run-name {
    font-family: 'JetBrains Mono', 'Courier New', monospace;
    font-size: 1.6rem;
    font-weight: 600;
    letter-spacing: 1.5px;
    color: #dee6ee;
    margin: 0;
}

.run-heading .run-dates {
    font-family: 'JetBrains Mono', 'Courier New', monospace;
    font-size: 0.8rem;
    color: #838383;
    letter-spacing: 0.6px;
    margin: 0;
}

.o4a-loading {
    text-align: center;
    color: #4a4a4a;
    font-style: italic;
    padding: 4rem 0;
}

/* ----- Per-event grid + cards ----- */

.o4a-event-grid {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 1rem;
}

.o4a-event-card {
    position: relative;
    padding: 0.4rem 0.4rem 0.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
    background: transparent;
}

.o4a-event-card .ev-name {
    font-family: 'JetBrains Mono', 'Courier New', monospace;
    font-size: 0.72rem;
    color: #4a4a4a;
    letter-spacing: 0.6px;
    cursor: help;
    user-select: none;
    align-self: flex-start;
}

.o4a-event-card .ev-name--eccentric {
    color: #8a8a8a;
}

.o4a-event-card .ev-orbit {
    width: 100%;
    aspect-ratio: 16 / 10;
    display: block;
}

.o4a-event-card .ev-hp {
    width: 100%;
    height: 56px;
    display: block;
}

.o4a-event-card .ev-no-waveform {
    margin: 0;
    text-align: center;
    color: #838383;
    font-style: italic;
    font-size: 0.78rem;
    padding: 2rem 0;
}

/* ----- "No eccentricity data" cards ----- */

.o4a-event-card.no-ecc-data {
    opacity: 0.35;
    display: none;
}

.catalog-blog.show-all-events .o4a-event-card.no-ecc-data {
    display: flex;
}

.o4a-event-card.no-ecc-data .ev-name {
    cursor: default;
}

.o4a-event-card .ev-no-ecc-data {
    margin: 0;
    text-align: center;
    color: #4a4a4a;
    font-style: italic;
    font-size: 0.78rem;
    padding: 2rem 0;
}

/* ----- Hover tooltip with posterior heatmaps ----- */

.o4a-tooltip {
    position: fixed;
    z-index: 9999;
    background: rgba(0, 0, 0, 0.96);
    border: 1px solid #108bac;
    border-radius: 8px;
    padding: 0.6rem;
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
    box-shadow: 0 0 24px rgba(41, 230, 255, 0.18);
    pointer-events: auto;
}

.o4a-tooltip[hidden] {
    display: none;
}

.o4a-tooltip .tt-panel-row {
    display: flex;
    gap: 0.4rem;
}

.o4a-tooltip .tt-panel {
    display: block;
    width: 176px;
    height: 176px;
}

/* ----- Median + 90% CI stats block ----- */

/* The stats block mirrors the 3-heatmap row above it: three 160px
 * columns (one per panel) with two stats each (e.g. column 1 holds m1
 * then m2, column 2 holds chi_1 then chi_2). ``grid-auto-flow: column``
 * plus an explicit ``grid-template-rows`` fills the cells in that
 * order, so every stat sits under its heatmap. */
.o4a-tooltip .tt-stats {
    display: grid;
    grid-template-columns: repeat(3, 176px);
    grid-template-rows: repeat(2, auto);
    grid-auto-flow: column;
    column-gap: 0.4rem;
    row-gap: 0.55rem;
    padding: 0.6rem 0 0.25rem;
    margin-top: 0.35rem;
    border-top: 1px solid rgba(172, 180, 189, 0.18);
}

.o4a-tooltip .tt-stat-row {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    font-family: 'JetBrains Mono', 'Courier New', monospace;
    font-size: 0.66rem;
    line-height: 1;
    color: #dee6ee;
    /* Align the stat text with the heatmap's plot area, which is
     * inset by ml = 36px inside the 160px canvas. */
    padding-left: 36px;
}

.o4a-tooltip .tt-stat-label {
    color: #acb4bd;
    letter-spacing: 0.3px;
    min-width: 1.2em;
}

.o4a-tooltip .tt-stat-value {
    color: #29e6ff;
    font-variant-numeric: tabular-nums;
}

.o4a-tooltip .tt-stat-ci {
    display: inline-flex;
    flex-direction: column;
    align-items: flex-start;
    line-height: 1;
    color: #838383;
    font-size: 0.52rem;
    font-variant-numeric: tabular-nums;
}

.o4a-tooltip .tt-stat-ci sup,
.o4a-tooltip .tt-stat-ci sub {
    display: block;
    font-size: 1em;
    line-height: 1;
    vertical-align: baseline;
}

.o4a-tooltip .tt-stat-unit {
    color: #838383;
    font-size: 0.62rem;
    margin-left: 0.05rem;
}

/* ----- Responsive ----- */

@media (max-width: 1400px) {
    .o4a-event-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}
@media (max-width: 1100px) {
    .o4a-event-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (max-width: 800px) {
    .o4a-event-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 520px) {
    .o4a-event-grid { grid-template-columns: 1fr; }
}

@media (max-width: 760px) {
    .catalog-blog {
        padding: 2rem 1.25rem 4rem;
        gap: 1.5rem;
    }
}