/* IRSIAC 2026 - poster carousel, share buttons and share popup */
.irs-share-block { max-width: 1100px; margin: 0 auto; }

/* ---------- Carousel ---------- */
.irs-car { position: relative; }
.irs-car-viewport {
    position: relative; overflow: hidden; border-radius: 14px;
    background: #00285C; box-shadow: 0 18px 40px -18px rgba(0, 20, 60, 0.55);
    height: 0; padding-top: 52.5%; /* 1200 x 630 */
}
.irs-car-track { position: absolute; top: 0; left: 0; display: flex; width: 200%; height: 100%; transition: transform 0.7s ease; }
.irs-car-panel { flex: 0 0 50%; height: 100%; display: flex; align-items: center; justify-content: center; }
.irs-car-main .irs-poster { width: 100%; height: 100%; border-radius: 0; }
.irs-car-main .irs-poster img { width: 100%; height: 100%; object-fit: cover; }

.irs-car-combo { padding: 0 2.5%; box-sizing: border-box; }
.irs-car-combo-in { display: flex; width: 100%; align-items: flex-start; justify-content: space-between; }
.irs-car-combo-in .irs-poster-ann { flex: 0 0 23%; }
.irs-car-inner-viewport { flex: 0 0 73.5%; overflow: hidden; }
.irs-car-inner-track { display: flex; width: 200%; transition: transform 0.7s ease; }
.irs-car-group { flex: 0 0 50%; padding: 0 0.2%; box-sizing: border-box; }
.irs-car-row { display: flex; justify-content: space-between; }
.irs-car-gtitle { color: #6FD6DA; font-weight: 700; font-size: 1.05rem; margin-bottom: 0.7rem; }
.irs-car-group .irs-poster-wrap { flex: 0 0 32%; }
.irs-poster-wrap .irs-poster, .irs-poster-ann .irs-poster { width: 100%; }
.irs-car-label {
    display: block; text-align: center; color: #b9c9dc; font-size: 0.8rem;
    font-weight: 600; margin-top: 0.45rem; letter-spacing: 0.01em;
}

/* Posters are buttons that open the share popup */
.irs-poster {
    position: relative; display: block; padding: 0; border: 0; background: none;
    cursor: pointer; border-radius: 8px; overflow: hidden;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.irs-poster img { display: block; width: 100%; height: auto; }
.irs-car-combo .irs-poster:hover, .irs-car-combo .irs-poster:focus-visible {
    transform: translateY(-4px); box-shadow: 0 12px 24px -10px rgba(0, 0, 0, 0.6);
}
.irs-poster:focus-visible { outline: 3px solid #6FD6DA; outline-offset: 3px; }
/* Controls */
.irs-car-controls { display: block; width: 100%; text-align: center; margin-top: 1rem; }
.irs-car-controls > * { display: inline-block; vertical-align: middle; margin: 0 0.45rem; }
.irs-car-btn {
    width: 38px; height: 38px; border-radius: 50%; border: 1px solid rgba(255, 255, 255, 0.35); padding: 0;
    background: transparent; color: inherit; cursor: pointer; line-height: 0;
}
.irs-car-btn svg { width: 18px; height: 18px; vertical-align: middle; }
.irs-car-dots { white-space: nowrap; }
.irs-car-dot { display: inline-block; vertical-align: middle; margin: 0 0.25rem; }
.irs-car-dot {
    width: 10px; height: 10px; border-radius: 50%; border: 0; padding: 0; cursor: pointer;
    background: rgba(255, 255, 255, 0.35); transition: background 0.3s, width 0.3s;
}
.irs-car-dot.is-active { background: #6FD6DA; width: 26px; border-radius: 6px; }
.irs-light .irs-car-btn { border-color: var(--border-color, #d6dee8); color: var(--primary-color, #0b3954); }
.irs-light .irs-car-dot { background: #c9d4e0; }
.irs-light .irs-car-dot.is-active { background: var(--secondary-color, #087e8b); }

/* ---------- Share buttons ---------- */
.irs-share-main { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; margin-top: 1.4rem; }
.irs-share-main > * { margin: 0.35rem 0.7rem; }
.irs-share-main-label { font-weight: 600; font-size: 1rem; }
.irs-share-row { display: flex; flex-wrap: wrap; justify-content: center; }
.irs-share-row .irs-sbtn { margin: 0.25rem; }
.irs-sbtn {
    width: 44px; height: 44px; border-radius: 50%; display: inline-flex; align-items: center; justify-content: center;
    color: #fff; background: var(--primary-color, #0b3954); border: 0; cursor: pointer; text-decoration: none;
    transition: transform 0.2s ease, background-color 0.2s ease;
}
.irs-sbtn:hover, .irs-sbtn:focus-visible { transform: translateY(-2px); background: var(--secondary-color, #087e8b); }
.irs-sbtn:focus-visible { outline: 3px solid #6FD6DA; outline-offset: 2px; }
.irs-sbtn svg { width: 20px; height: 20px; }
.irs-cfp-btn {
    display: inline-flex; align-items: center; gap: 0.5rem; padding: 0.7rem 1.4rem; border-radius: 6px;
    background: #6FD6DA; color: #00285C; font-weight: 700; text-decoration: none; font-size: 0.95rem;
}
.irs-light .irs-cfp-btn { background: var(--primary-color, #0b3954); color: #fff; }
.irs-cfp-btn svg { width: 18px; height: 18px; }

/* ---------- Popup ---------- */
.irs-modal { position: fixed; top: 0; right: 0; bottom: 0; left: 0; z-index: 2000; display: none; }
.irs-modal.is-open { display: block; }
.irs-modal-backdrop { position: absolute; top: 0; right: 0; bottom: 0; left: 0; background: rgba(0, 16, 40, 0.72); }
.irs-modal-box {
    position: absolute; top: 50%; left: 50%; -webkit-transform: translate(-50%, -50%); transform: translate(-50%, -50%);
    max-width: 900px; width: calc(100% - 2rem); max-height: calc(100% - 2rem); overflow: auto; background: #fff; color: #0b3954;
    border-radius: 14px; padding: 1.6rem; box-sizing: border-box; box-shadow: 0 30px 60px -20px rgba(0, 0, 0, 0.5);
}
.irs-modal-close {
    position: absolute; top: 0.6rem; right: 0.8rem; width: 38px; height: 38px; border: 0; border-radius: 50%;
    background: #eef2f6; color: #0b3954; font-size: 1.5rem; line-height: 1; cursor: pointer;
}
.irs-modal-grid { display: flex; gap: 1.6rem; align-items: flex-start; }
.irs-modal-img { flex: 0 0 44%; width: 44%; height: auto; border-radius: 8px; box-shadow: 0 8px 20px -10px rgba(0, 0, 0, 0.4); }
.irs-modal-img.is-wide { flex-basis: 100%; width: 100%; }
.irs-modal-grid.is-wide { flex-direction: column; }
.irs-modal-side { flex: 1; min-width: 0; }
.irs-modal-side h3 { font-size: 1.25rem; margin: 0.2rem 2.4rem 1rem 0; line-height: 1.3; }
.irs-modal-label { font-size: 0.85rem; font-weight: 700; color: #087e8b; margin: 1.1rem 0 0.5rem; }
.irs-modal-side textarea {
    width: 100%; box-sizing: border-box; min-height: 120px; resize: vertical; border: 1px solid #d6dee8;
    border-radius: 8px; padding: 0.7rem; font: inherit; font-size: 0.9rem; line-height: 1.5; color: #334155;
}
.irs-modal-actions { display: flex; flex-wrap: wrap; gap: 0.6rem; margin-top: 0.7rem; }
.irs-act {
    display: inline-flex; align-items: center; gap: 0.45rem; padding: 0.6rem 1rem; border-radius: 6px;
    border: 1px solid #d6dee8; background: #fff; color: #0b3954; font: inherit; font-size: 0.9rem;
    font-weight: 600; cursor: pointer; text-decoration: none;
}
.irs-act.is-primary { background: #0b3954; border-color: #0b3954; color: #fff; }
.irs-act svg { width: 17px; height: 17px; }
.irs-modal-note { font-size: 0.8rem; color: #64748b; margin-top: 0.7rem; line-height: 1.5; }
.irs-toast {
    position: fixed; left: 50%; bottom: 1.5rem; transform: translateX(-50%); background: #0b3954; color: #fff;
    padding: 0.6rem 1.1rem; border-radius: 6px; font-size: 0.9rem; z-index: 2100; opacity: 0; transition: opacity 0.3s;
    pointer-events: none;
}
.irs-toast.is-on { opacity: 1; }

@media (max-width: 700px) {
    .irs-car-combo-in .irs-poster-ann { display: none; }
    .irs-car-inner-viewport { flex-basis: 100%; }
    .irs-car-label { font-size: 0.65rem; }
    .irs-car-gtitle { font-size: 0.8rem; margin-bottom: 0.4rem; }
            .irs-modal-grid { flex-direction: column; }
    .irs-modal-img { flex-basis: auto; width: 100%; max-width: 360px; margin: 0 auto; }
}
@media (prefers-reduced-motion: reduce) {
    .irs-car-track, .irs-car-inner-track, .irs-poster, .irs-sbtn { transition: none; }
}

.irs-modal [hidden] { display: none !important; }

/* ---------- Home page: simple poster slider ---------- */
.irs-slider { display: flex; justify-content: center; align-items: flex-start; max-width: 820px; margin: 0 auto; }
.irs-sl-col + .irs-sl-col { margin-left: 2.5rem; }
.irs-sl-col { flex: 0 1 360px; min-width: 0; text-align: center; }
.irs-sl-frame { border-radius: 10px; overflow: hidden; box-shadow: 0 14px 30px -14px rgba(0, 20, 60, 0.35); }
.irs-sl-frame .irs-poster { width: 100%; border-radius: 0; cursor: zoom-in; }
.irs-sl-track { display: flex; transition: transform 0.7s ease; }
.irs-sl-item { flex: 0 0 100%; }
.irs-sl-label { display: block; margin-top: 0.9rem; font-weight: 600; font-size: 0.95rem; color: var(--primary-color, #0b3954); }
.irs-sl-dots { display: block; text-align: center; margin-top: 0.7rem; }

/* View-only popup (home page) */
.irs-modal-box.is-view { max-width: 520px; padding: 1rem; }
.irs-modal-grid.is-view .irs-modal-side { display: none; }
.irs-modal-grid.is-view .irs-modal-img { flex: none; width: 100%; }

@media (max-width: 700px) {
    .irs-sl-col + .irs-sl-col { margin-left: 1rem; }
    .irs-sl-label { font-size: 0.8rem; }
}
@media (prefers-reduced-motion: reduce) { .irs-sl-track { transition: none; } }