/* ---- Page-level layout fixes (same as flashcards) ---- */
html, body { overflow-x: hidden; }
body { overflow-y: auto !important; height: auto !important; }
#scroll-container { height: auto !important; overflow: visible !important; }
html.no-scroll, html.no-scroll body { overflow: hidden !important; height: 100% !important; }

/* ---- Filter pill buttons (reuse look & feel) ---- */
.filter-buttons .btn-filter {
    padding: 8px 22px; border-radius: 30px; font-weight: 600; font-size: 14px;
    border: 2px solid #dee2e6; background: #fff; color: #495057;
    transition: all .25s; cursor: pointer; text-decoration: none;
    display: inline-flex; align-items: center; gap: 6px;
}
.filter-buttons .btn-filter:hover  { border-color: #0d6efd; color: #0d6efd; }
.filter-buttons .btn-filter.active { background: #0d6efd; color: #fff; border-color: #0d6efd; }
.filter-divider { width: 1px; height: 28px; background: #dee2e6; margin: 0 4px; align-self: center; }

/* ---- Grid ---- */
.sim-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 24px;
}

/* ---- Card ---- */
.sim-card {
    background: #fff;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 24px rgba(0,0,0,.08);
    display: flex;
    flex-direction: column;
    transition: transform .3s ease, box-shadow .3s ease;
}
.sim-card:hover { transform: translateY(-4px); box-shadow: 0 10px 40px rgba(0,0,0,.14); }

.sim-thumb {
    position: relative;
    aspect-ratio: 16 / 10;
    background: linear-gradient(135deg, #eef2ff 0%, #e0e7ff 100%);
    overflow: hidden;
}
.sim-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .5s ease; }
.sim-card:hover .sim-thumb img { transform: scale(1.05); }

.sim-play {
    position: absolute; inset: 0;
    display: flex; align-items: center; justify-content: center;
    background: rgba(13,110,253,0);
    transition: background .3s ease;
}
.sim-play i {
    font-size: 54px; color: #fff; opacity: 0;
    transform: scale(.8);
    transition: opacity .3s ease, transform .3s ease;
    text-shadow: 0 4px 20px rgba(0,0,0,.45);
    pointer-events: none;
}
.sim-card:hover .sim-play        { background: rgba(13,110,253,.35); }
.sim-card:hover .sim-play i      { opacity: 1; transform: scale(1); }

.sim-flag {
    position: absolute; top: 12px;
    padding: 4px 10px; border-radius: 20px;
    font-size: 11px; font-weight: 700; letter-spacing: .3px;
    background: rgba(255,255,255,.95); color: #0f172a;
    box-shadow: 0 2px 10px rgba(0,0,0,.15);
}
.sim-flag-new  { left: 12px; background: #dc3545; color: #fff; animation: pulseNew 1.6s ease-in-out infinite; }
.sim-flag-time { right: 12px; background: rgba(15,23,42,.85); color: #fff; display: inline-flex; align-items: center; gap: 5px; }
@keyframes pulseNew {
    0%,100% { box-shadow: 0 0 0 0 rgba(220,53,69,.55); }
    50%     { box-shadow: 0 0 0 8px rgba(220,53,69,0); }
}

.sim-body { padding: 16px 18px 18px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.sim-title { font-size: 1.05rem; font-weight: 700; color: #0f172a; margin: 0; line-height: 1.35; }
.sim-desc  { font-size: 13px; color: #64748b; margin: 0; line-height: 1.5; }
.sim-badges { display: flex; flex-wrap: wrap; gap: 6px; margin-top: auto; }
.sim-badges .badge { font-weight: 600; font-size: 11px; padding: 5px 10px; border-radius: 20px; }

.sim-actions { display: flex; gap: 8px; margin-top: 4px; }
.sim-actions .sim-launch { flex: 1; border-radius: 30px; font-weight: 600; font-size: 14px; }
.sim-actions .sim-share  { border-radius: 30px; width: 42px; padding: 0; }

/* ---- Empty state ---- */
.sim-empty {
    text-align: center; padding: 60px 24px;
    background: #fff; border: 2px dashed #e2e8f0; border-radius: 16px; color: #64748b;
}
.sim-empty i { font-size: 44px; color: #cbd5e1; margin-bottom: 12px; display: block; }
.sim-empty h3 { color: #0f172a; margin: 0 0 8px; }

/* ---- Modal ---- */
.sim-modal { position: fixed; inset: 0; z-index: 100000; display: none; }
.sim-modal.active { display: block; }

.sim-modal-backdrop {
    position: absolute; inset: 0;
    background: rgba(15,23,42,.75);
    backdrop-filter: blur(4px);
    animation: simFade .2s ease;
}
@keyframes simFade { from { opacity: 0; } to { opacity: 1; } }

.sim-modal-panel {
    position: absolute; inset: 3vh 3vw;
    background: #fff; border-radius: 18px;
    display: flex; flex-direction: column;
    overflow: hidden;
    box-shadow: 0 30px 80px rgba(0,0,0,.45);
    animation: simPop .25s ease;
}
@keyframes simPop { from { transform: translateY(20px) scale(.98); opacity: 0; } to { transform: none; opacity: 1; } }

/* When the panel itself is fullscreen */
.sim-modal-panel:fullscreen      { position: fixed; inset: 0; border-radius: 0; }
.sim-modal-panel:-webkit-full-screen { position: fixed; inset: 0; border-radius: 0; }

.sim-modal-header {
    display: flex; justify-content: space-between; align-items: center;
    gap: 12px; padding: 12px 18px;
    border-bottom: 1px solid #e9ecef;
    background: #fff;
    flex: 0 0 auto;
}
.sim-modal-title-wrap { min-width: 0; }
.sim-modal-title-wrap h3 {
    font-size: 1.05rem; font-weight: 700; color: #0f172a;
    margin: 0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.sim-modal-title-wrap span { font-size: 12px; color: #64748b; }

.sim-modal-actions { display: flex; gap: 6px; }
.sim-icon-btn {
    width: 38px; height: 38px; border-radius: 50%;
    border: 1px solid #e9ecef; background: #fff; color: #495057;
    display: inline-flex; align-items: center; justify-content: center;
    cursor: pointer; transition: all .2s; font-size: 14px; padding: 0;
}
.sim-icon-btn:hover { background: #0d6efd; color: #fff; border-color: #0d6efd; }
.sim-icon-close { font-size: 22px; line-height: 1; }
.sim-icon-close:hover { background: #dc3545; border-color: #dc3545; }

.sim-modal-body { flex: 1 1 auto; position: relative; background: #f1f3f5; min-height: 0; }
.sim-modal-body iframe {
    position: absolute; inset: 0;
    width: 100%; height: 100%; border: 0; display: block;
    background: #fff;
}

.sim-loader {
    position: absolute; inset: 0;
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    gap: 12px; color: #64748b; font-size: 14px;
    background: #f8f9fa; z-index: 1;
    transition: opacity .3s ease;
}
.sim-loader.hidden { opacity: 0; pointer-events: none; }
.sim-spinner {
    width: 42px; height: 42px; border-radius: 50%;
    border: 4px solid #dee2e6; border-top-color: #0d6efd;
    animation: simSpin .9s linear infinite;
}
@keyframes simSpin { to { transform: rotate(360deg); } }

/* ---- Responsive ---- */
@media (max-width: 768px) {
    .filter-buttons .btn-filter { padding: 6px 16px; font-size: 12px; }
    .filter-divider { display: none; }
    .sim-modal-panel { inset: 0; border-radius: 0; }
    .sim-modal-title-wrap h3 { font-size: .95rem; }
}
@media (max-width: 480px) {
    .sim-grid { grid-template-columns: 1fr; }
    .sim-icon-btn { width: 34px; height: 34px; }
}


.sim-card-disabled .sim-thumb img        { filter: grayscale(.6) opacity(.7); }
.sim-card-disabled:hover                 { transform: none; box-shadow: 0 4px 24px rgba(0,0,0,.08); }
.sim-card-disabled:hover .sim-thumb img  { transform: none; }
.sim-card-disabled .sim-play             { display: none; }
/* ==================================================================
 * simulation.php — detail page
 * ================================================================== */

/* Breadcrumb under the banner: light-on-dark so it sits with the hero. */
.sim-breadcrumb {
    display: flex; flex-wrap: wrap; align-items: center; gap: 8px;
    font-size: 13px; margin-bottom: 14px; color: rgba(255,255,255,.62);
}
.sim-breadcrumb a { color: #9fb8ff; text-decoration: none; transition: color .2s; }
.sim-breadcrumb a:hover { color: #fff; text-decoration: underline; }
.sim-breadcrumb .sep { opacity: .6; }
.sim-breadcrumb .here { color: #fff; font-weight: 600; }
.sim-banner-thumb img {
    width: 100%; max-height: 170px; object-fit: cover;
    border-radius: 14px; box-shadow: 0 12px 40px rgba(0,0,0,.35);
}

/* Hero card beneath the banner: thumbnail left, content right. */
.sim-detail-card {
    background: #fff; border-radius: 18px;
    box-shadow: 0 6px 30px rgba(15,23,42,.08);
    overflow: hidden;
}
.sim-detail-head {
    display: flex; flex-direction: row; gap: 26px; padding: 24px;
}
.sim-detail-thumb {
    width: 320px; min-width: 320px; height: 200px; object-fit: cover;
    border-radius: 12px; flex: 0 0 auto;
}
.sim-detail-head-body { display: flex; flex-direction: column; gap: 14px; flex: 1; min-width: 0; }
.sim-detail-desc {
    font-size: 15px; line-height: 1.7; color: #334155; margin: 0;
    max-width: 72ch;
}
.sim-detail-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; }
.sim-detail-actions .sim-launch { border-radius: 30px; font-weight: 600; font-size: 15px; padding: 12px 26px; }
.sim-detail-actions .sim-share  { border-radius: 30px; font-weight: 600; font-size: 15px; padding: 12px 18px; }
.sim-detail-stat {
    display: inline-flex; align-items: center; gap: 6px;
    color: #64748b; font-size: 13px; font-weight: 500;
}

@media (max-width: 992px) {
    .sim-detail-head { flex-direction: column; }
    .sim-detail-thumb { width: 100%; min-width: 0; height: 190px; }
}
@media (max-width: 480px) {
    .sim-detail-head { padding: 16px; }
}