/* =========================================================
   Experience — editorial index + detail panel (HMP structure)
   Left: printed table-of-contents tabs · Right: hard-shadow card
   ========================================================= */

#experience .section-title {
    margin-bottom: var(--spacing-8, 0.5rem);
}

.exp-layout {
    display: grid;
    grid-template-columns: minmax(9rem, 0.26fr) minmax(0, 1fr);
    gap: var(--spacing-32);
    align-items: start;
    margin-top: var(--spacing-16);
}

/* ---- Index (left rail) ---- */
.exp-index {
    display: flex;
    flex-direction: column;
    gap: 0;
    margin: 0;
    padding: 0;
    border: none;
}

.exp-tab {
    appearance: none;
    width: 100%;
    margin: 0;
    /* Same inline padding whether or not the tab is active: adding it only
       on .is-active re-wrapped the label and changed the rail's height. */
    padding: 0.85rem 0.65rem;
    border: 0;
    border-top: 1px solid var(--ink);
    background: transparent;
    text-align: left;
    cursor: pointer;
    font-family: var(--font-chromatica);
    font-size: var(--text-body);
    font-weight: 500;
    line-height: 1.35;
    letter-spacing: 0.02em;
    text-transform: uppercase;
    /* --pastel-ink is a literal charcoal; on the lamplit ground it left
       charcoal-on-charcoal. Theme-aware ink instead. */
    color: var(--ink);
    transition: color 0.2s ease, background-color 0.2s ease;
}

.exp-tab:first-child {
    border-top-width: 1px;
}

.exp-tab-label {
    display: inline-block;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 120 8' preserveAspectRatio='none'%3E%3Cpath d='M0 4 Q15 0 30 4 T60 4 T90 4 T120 4' fill='none' stroke='%23cfe8dd' stroke-width='2.5'/%3E%3C/svg%3E");
    background-repeat: repeat-x;
    background-position: left bottom;
    background-size: 60px 6px;
    padding-bottom: 0.3rem;
}

.exp-tab:hover,
.exp-tab:focus-visible {
    color: var(--primary-deep);
}

.exp-tab.is-active {
    background: var(--pastel-peach);
    box-shadow: var(--shadow-subtle);
}

.exp-tab.is-active .exp-tab-label {
    /* Drop the running-stitch underline but keep the space it occupied —
       zeroing the padding here changed the tab's height by ~5px. */
    background-image: none;
}

.exp-tab-dates {
    display: block;
    margin-top: 0.25rem;
    font-family: var(--font-hellenictypewriter);
    font-size: var(--text-caption);
    font-weight: 400;
    letter-spacing: 0.06em;
    text-transform: none;
    color: var(--ink-soft);
}

/* The active tab is peach in both themes — a light surface — so its text
   stays charcoal rather than following the theme ink. */
.exp-tab.is-active .exp-tab-label,
.exp-tab.is-active .exp-tab-dates {
    color: var(--color-soft-charcoal);
}

/* ---- Detail panel (right) ---- */
/* Every panel lives in the same grid cell, so the stage measures the tallest
   one and its height never changes when you switch tabs. Hidden panels use
   visibility (not display:none) so they keep contributing that height. */
.exp-stage {
    position: relative;
    display: grid;
    min-height: 18rem;
}

.exp-panel {
    grid-area: 1 / 1;
    transition: opacity 0.25s ease;
}

.exp-panel:not(.is-active) {
    visibility: hidden;
    opacity: 0;
    pointer-events: none;
}

.exp-panel.is-active {
    visibility: visible;
    opacity: 1;
}

@media (prefers-reduced-motion: reduce) {
    .exp-panel {
        transition: none;
    }
}

.exp-panel {
    margin: 0;
    padding: var(--spacing-32);
    background: var(--surface);
    border: 1px solid var(--ink);
    box-shadow: var(--shadow-subtle);
    border-radius: 0;
}

.exp-panel-head {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: var(--spacing-16) var(--spacing-32);
    align-items: start;
    padding-bottom: var(--spacing-16);
    margin-bottom: var(--spacing-16);
    border-bottom: 1px solid var(--pastel-pink);
}

.exp-panel-role {
    margin: 0;
    font-family: var(--font-hellenictypewriter);
    font-size: var(--text-heading-sm);
    font-weight: 500;
    line-height: var(--leading-heading-sm);
    color: var(--ink);
}

.exp-panel-org {
    margin: 0.35rem 0 0;
    font-family: var(--font-chromatica);
    font-size: var(--text-subheading);
    font-weight: 500;
    color: var(--ink);
}

.exp-panel-meta {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
    text-align: right;
    font-family: var(--font-hellenictypewriter);
    font-size: var(--text-caption);
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--ink-soft);
}

.exp-panel-points {
    list-style: none;
    margin: 0 0 var(--spacing-24, 1.5rem);
    padding: 0;
    display: grid;
    gap: 0.75rem;
}

.exp-panel-points li {
    position: relative;
    padding-left: 1.1rem;
    /* styles.css sets a global `p, li { max-width: 70ch }` readability measure,
       which capped these at 658px and wrapped every bullet onto a second line.
       The resume-length lines need ~79ch, and the panel now has the room. */
    max-width: none;
    font-family: var(--font-chromatica);
    font-size: var(--text-body);
    line-height: var(--leading-body);
    color: var(--ink);
}

/* Tool and technology names, set the way the resume sets them */
.exp-panel-points strong {
    font-weight: 600;
}

.exp-panel-points li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.55em;
    width: 6px;
    height: 6px;
    background: var(--color-mint-cream);
    box-shadow: 0 0 0 1px var(--ink);
}

.exp-panel-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    padding-top: var(--spacing-16);
    border-top: 1px solid var(--pastel-lavender);
}

.exp-panel-tech span {
    font-family: var(--font-hellenictypewriter);
    font-size: var(--text-caption);
    letter-spacing: 0.05em;
    text-transform: uppercase;
    padding: 0.25rem 0.55rem;
    background: var(--pastel-mint);
    color: var(--pastel-ink);
}

/* Panel enter animation (CSS fallback + GSAP enhancement) */
.exp-panel-inner {
    will-change: opacity, transform;
}

.exp-panel-inner.is-entering {
    opacity: 0;
    transform: translateY(10px);
}

@media (prefers-reduced-motion: reduce) {
    .exp-panel-inner,
    .exp-panel-inner.is-entering {
        opacity: 1 !important;
        transform: none !important;
        transition: none !important;
    }
}

/* ---- Mobile: stack index above panel ---- */
@media (max-width: 767px) {
    .exp-layout {
        grid-template-columns: 1fr;
        gap: var(--spacing-32);
    }

    .exp-index {
        flex-direction: row;
        flex-wrap: wrap;
        gap: 0.5rem;
    }

    .exp-tab {
        width: auto;
        flex: 1 1 calc(50% - 0.5rem);
        border: 1px solid var(--ink);
        padding: 0.65rem 0.75rem;
    }

    .exp-tab:first-child {
        border-top-width: 1px;
    }

    .exp-tab-dates {
        font-size: 0.72rem;
    }

    .exp-panel-head {
        grid-template-columns: 1fr;
    }

    .exp-panel-meta {
        text-align: left;
    }
}

.theme-dark .exp-panel {
    background: var(--surface);
    box-shadow: var(--shadow-subtle);
}