/* KURS 212: media block components. Light editor, theme-neutral learner blocks. */
.kurs-lesson-media-editor{box-sizing:border-box;max-width:100%;padding:13px 15px;border:1px solid #cad9e7;border-radius:10px;background:#fff;color:#182d41;box-shadow:0 1px 4px #29425a0c}
.kurs-lesson-media-editor .kurs-lesson-media-heading{font-weight:700;margin-bottom:9px;color:#1d4a6b}
.kurs-lesson-media-controls{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin:10px 0}
.kurs-lesson-media-controls input[type=file]{width:auto;max-width:100%;font-size:13px}
.kurs-lesson-media-controls button{border:1px solid #ced9e7!important;background:#fff!important;color:#6c2d42!important;padding:5px 10px!important;border-radius:6px!important;min-height:30px!important}
.kurs-lesson-media-editor input[type=text]{box-sizing:border-box;width:100%;padding:8px 10px;border:1px solid #c3d1df;border-radius:7px;background:#fff;color:#152b3c}
.kurs-lesson-media-status{min-height:1.3em;color:#35744f;font-size:12px;margin:5px 0 0}
.kurs-lesson-media-error{color:#a72c3c}
.kurs-lesson-media-preview video{width:100%;max-width:760px;border-radius:8px;background:#111;max-height:470px}
.kurs-lesson-media-preview a{display:inline-block;padding:7px 0;font-size:14px}
.lesson-media-video,.lesson-media-file{max-width:100%;margin:12px 0 20px}
.lesson-media-video video{display:block;width:100%;max-width:850px;max-height:72vh;background:#121923;border-radius:10px}
.lesson-media-video figcaption{font-size:13px;opacity:.82;margin-top:8px}
.lesson-media-file a{display:inline-flex;align-items:center;gap:9px;padding:9px 13px;border:1px solid currentColor;border-radius:8px;font-weight:600;text-decoration:none;overflow-wrap:anywhere}
@media(max-width:600px){.kurs-lesson-media-editor{padding:10px}.lesson-media-video video{max-height:55vh}}


/* KURS 223: native expandable preview for protected learner PDFs and videos.
   Scoped to public lesson media; avoids admin/editor global theme rules. */
.lesson-media-video .lesson-media-disclosure,
.lesson-media-document .lesson-media-disclosure {
    border: 1px solid #d6e1ed;
    border-radius: 12px;
    background: #ffffff;
    color: #1b3045;
    overflow: hidden;
}
.lesson-media-video .lesson-media-summary,
.lesson-media-document .lesson-media-summary {
    display: flex;
    align-items: center;
    gap: 12px;
    min-height: 64px;
    padding: 12px 16px;
    cursor: pointer;
    list-style: none;
    color: #1b3045;
    background: #f8fbff;
    user-select: none;
}
.lesson-media-disclosure .lesson-media-summary::-webkit-details-marker { display: none; }
.lesson-media-disclosure .lesson-media-summary::marker { content: ""; }
.lesson-media-disclosure .lesson-media-summary:hover { background: #eef5fc; }
.lesson-media-disclosure .lesson-media-summary:focus-visible {
    outline: 3px solid #2377bd;
    outline-offset: -3px;
}
.lesson-media-disclosure .lesson-media-kind {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 43px;
    height: 43px;
    border-radius: 10px;
    color: #fff;
    font-size: 13px;
    font-weight: 800;
}
.lesson-media-disclosure .lesson-media-kind-pdf { background: #b63437; }
.lesson-media-disclosure .lesson-media-kind-video { background: #245f99; font-size: 19px; }
.lesson-media-disclosure .lesson-media-caption {
    display: flex;
    flex-direction: column;
    gap: 4px;
    min-width: 0;
    flex: 1 1 auto;
    overflow-wrap: anywhere;
}
.lesson-media-disclosure .lesson-media-caption strong {
    color: #192f44;
    font-size: 15px;
    font-weight: 750;
}
.lesson-media-disclosure .lesson-media-caption small {
    color: #586b80;
    font-size: 12px;
}
.lesson-media-disclosure .lesson-media-chevron {
    flex: 0 0 10px;
    width: 10px;
    height: 10px;
    border-right: 2px solid #3d698d;
    border-bottom: 2px solid #3d698d;
    transform: rotate(45deg);
    margin-right: 7px;
    transition: transform .15s ease;
}
.lesson-media-disclosure[open] .lesson-media-chevron { transform: rotate(225deg); }
.lesson-media-disclosure .lesson-media-panel {
    padding: 12px;
    background: #fff;
    border-top: 1px solid #e2eaf2;
}
.lesson-media-document .lesson-media-pdf {
    display: block;
    width: 100%;
    min-height: 460px;
    height: min(72vh, 760px);
    background: #f6f7f9;
    border: 1px solid #dfe7ef;
    border-radius: 6px;
}
.lesson-media-video .lesson-media-panel video {
    display: block;
    width: 100%;
    max-width: 100%;
    max-height: 70vh;
    background: #121923;
    border-radius: 7px;
}
.lesson-media-document .lesson-media-fallback {
    margin: 9px 1px 0;
    color: #52667a;
    font-size: 13px;
}
.lesson-media-document .lesson-media-fallback a {
    color: #145e95;
    padding: 0;
    border: 0;
    text-decoration: underline;
    font-weight: 700;
}
@media (max-width: 600px) {
    .lesson-media-video .lesson-media-summary,
    .lesson-media-document .lesson-media-summary { padding: 10px; gap: 9px; }
    .lesson-media-document .lesson-media-pdf { min-height: 380px; height: 65vh; }
    .lesson-media-disclosure .lesson-media-kind { flex-basis: 38px; height: 38px; }
}
@media (prefers-reduced-motion: reduce) {
    .lesson-media-disclosure .lesson-media-chevron { transition: none; }
}