.leaderboard-badge { display: inline-block; line-height: 1; vertical-align: middle; }
.leaderboard-badge-medal { font-size: 1.35rem; line-height: 1; position: relative; display: inline-block; overflow: hidden; }
.leaderboard-badge-medal::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 45%;
    height: 100%;
    background: linear-gradient(105deg, transparent 0%, rgba(255,255,255,0.15) 25%, rgba(255,255,255,0.55) 50%, rgba(255,255,255,0.15) 75%, transparent 100%);
    pointer-events: none;
}
@keyframes medal-shine-sweep {
    0% { transform: translateX(-120%); }
    100% { transform: translateX(320%); }
}
.leaderboard-top10 { font-size: 0.58rem !important; padding: 0.14em 0.26em !important; line-height: 1 !important; min-height: auto !important; position: relative; display: inline-flex; align-items: center; justify-content: center; white-space: nowrap; word-break: keep-all; background: #600000 !important; color: #fff !important; border: none; border-radius: 4px; }
.leaderboard-rank { font-size: 0.55rem !important; padding: 0.12em 0.22em !important; line-height: 1 !important; min-height: auto !important; display: inline-flex; align-items: center; justify-content: center; white-space: nowrap; word-break: keep-all; background: #475569 !important; color: #fff !important; border: none; border-radius: 4px; }
@keyframes leaderboard-top10-glow {
    0%, 100% { box-shadow: 0 0 6px rgba(96, 0, 0, 0.5); filter: brightness(1); }
    50% { box-shadow: 0 0 12px rgba(96, 0, 0, 0.75); filter: brightness(1.12); }
}
@media (prefers-reduced-motion: no-preference) {
    .leaderboard-top10 { animation: leaderboard-top10-glow 1.8s ease-in-out infinite; }
    .leaderboard-badge-medal::after { animation: medal-shine-sweep 2.4s ease-in-out infinite; }
}
.avatar-badge-wrap { position: relative; display: inline-block; overflow: visible; }
.avatar-badge-wrap .leaderboard-badge { position: absolute; left: 0; top: 78%; z-index: 1; transform: translate(-50%, -50%); }
[dir="rtl"] .avatar-badge-wrap .leaderboard-badge { left: auto; right: 0; transform: translate(50%, -50%); }
.leaderboard-podium .avatar-badge-wrap { display: inline-flex; align-items: center; gap: 12px; flex-direction: row-reverse; }
.leaderboard-podium .avatar-badge-wrap .leaderboard-badge { position: static; transform: none; }
[dir="rtl"] .leaderboard-podium .avatar-badge-wrap { flex-direction: row; }
.tts-playback-controls { border: 1px solid #b60000; border-radius: 4px; }
.tts-playback-controls .tts-ctrl-btn { border-color: #b60000; }
#tawkchat-container,
iframe[title*="Tawk"],
iframe[title*="tawk"],
iframe[title*="chat widget"] {
    z-index: 1050 !important;
}
.cookies-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999998;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.4s, visibility 0.4s;
}
.cookies-overlay.hide { opacity: 0 !important; visibility: hidden !important; pointer-events: none !important; }
.cookies-overlay.show {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    cursor: default;
}
.cookies-card {
    width: 520px;
    max-width: calc(100% - 32px);
    padding: 30px;
    color: #1e2337;
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.9);
    z-index: 999999;
    transition: transform 0.4s, opacity 0.4s;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    display: flex;
    flex-direction: column;
    max-height: calc(100vh - 40px);
    opacity: 0;
    visibility: hidden;
}
.cookies-card.show {
    opacity: 1;
    visibility: visible;
    transform: translate(-50%, -50%) scale(1);
}
@keyframes dmsCookieCardAttention {
    0%, 100% { transform: translate(-50%, -50%) scale(1); box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3); }
    50% { transform: translate(-50%, -50%) scale(1.03); box-shadow: 0 24px 72px rgba(182, 0, 0, 0.22); }
}
.cookies-card.show.cookies-card--attention {
    animation: dmsCookieCardAttention 0.45s ease;
}
@media (prefers-reduced-motion: reduce) {
    .cookies-card.show.cookies-card--attention {
        animation: none;
    }
}
.cookies-card.hide { opacity: 0 !important; visibility: hidden !important; pointer-events: none !important; }
.cookies-card__scrollable {
    flex: 1 1 auto;
    min-height: 0;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
}
.cookies-card__btn { flex-shrink: 0; flex-grow: 0; }
.cookies-card__btn .policy { min-height: 48px; font-size: 1.1rem; font-weight: 600; }
.cookies-card .cookies-card__btn--reject {
    background-color: #6b7280;
    color: #fff !important;
    border: 1px solid #6b7280;
    font-weight: 600;
}
.cookies-card .cookies-card__btn--reject:hover,
.cookies-card .cookies-card__btn--reject:focus {
    background-color: #4b5563;
    border-color: #4b5563;
    color: #fff !important;
}
.cookies-card .cookies-card__btn--settings {
    background-color: #2563eb;
    color: #fff !important;
    border: 1px solid #2563eb;
    font-weight: 600;
}
.cookies-card .cookies-card__btn--settings:hover,
.cookies-card .cookies-card__btn--settings:focus {
    background-color: #1d4ed8;
    border-color: #1d4ed8;
    color: #fff !important;
}
.cookies-card__icon {
    width: 64px; height: 64px; border-radius: 50%;
    background-color: #6e6f70; color: #fff; font-size: 36px;
    display: inline-flex; justify-content: center; align-items: center;
}
.cookies-card__content { margin-bottom: 0; font-size: 1.05rem; line-height: 1.6; }
@media (min-width: 768px) {
    .cookies-card__scrollable {
        scrollbar-width: none;
        -ms-overflow-style: none;
    }
    .cookies-card__scrollable::-webkit-scrollbar { display: none; }
}
@media (max-width: 767px) {
    .cookies-card {
        width: calc(100% - 24px);
        max-width: none;
        font-size: 14px;
        padding: 20px 16px;
        max-height: 85vh;
        border-radius: 12px;
    }
    .cookies-card__scrollable { max-height: calc(85vh - 100px); }
}
body.cookies-modal-open {
    overflow: hidden;
}
.page-loading-bar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: #b60000;
    z-index: 999999;
    transform: scaleX(0);
    transform-origin: left;
    opacity: 0;
    transition: opacity 0.2s ease;
}
html.page-loading .page-loading-bar {
    opacity: 1;
    animation: page-loading-bar 1.8s ease-in-out infinite;
}
@keyframes page-loading-bar {
    0% { transform: scaleX(0); transform-origin: left; }
    40% { transform: scaleX(0.7); transform-origin: left; }
    50% { transform: scaleX(0.7); transform-origin: right; }
    90% { transform: scaleX(0); transform-origin: right; }
    100% { transform: scaleX(0); transform-origin: left; }
}
.nav-loading {
    position: relative;
    cursor: progress !important;
    opacity: 0.8;
}
.nav-loading::after {
    content: "";
    position: absolute;
    top: 50%;
    inset-inline-end: 0.55rem;
    width: 14px;
    height: 14px;
    margin-top: -7px;
    border: 2px solid rgba(182, 0, 0, 0.25);
    border-top-color: #b60000;
    border-radius: 50%;
    animation: nav-btn-loading-spin 0.7s linear infinite;
}
button.nav-loading,
a.nav-loading,
input[type="submit"].nav-loading {
    padding-inline-end: 2rem !important;
}
.course-lesson-content-link.nav-loading,
.course-join-btn.nav-loading,
.student-workspace-tab.nav-loading {
    opacity: 0.92;
}
.course-lesson-content-link.nav-loading::after,
.course-join-btn.nav-loading::after,
.student-workspace-tab.nav-loading::after {
    width: 18px;
    height: 18px;
    margin-top: -9px;
    border-color: rgba(255, 255, 255, 0.48);
    border-top-color: #fff;
}
button.nav-loading-btn {
    position: relative;
    pointer-events: none !important;
    color: transparent !important;
}
button.nav-loading-btn > * {
    visibility: hidden !important;
}
button.nav-loading-btn::after {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    width: 16px;
    height: 16px;
    margin-top: -8px;
    margin-left: -8px;
    border: 2px solid rgba(255, 255, 255, 0.45);
    border-top-color: #fff;
    border-radius: 50%;
    animation: nav-btn-loading-spin 0.7s linear infinite;
    visibility: visible !important;
}
button.btn-outline-primary.nav-loading-btn::after,
button.btn-outline-secondary.nav-loading-btn::after,
button.btn-outline-danger.nav-loading-btn::after,
button.btn-outline-success.nav-loading-btn::after,
button.btn-outline-warning.nav-loading-btn::after,
button.btn-outline-info.nav-loading-btn::after,
button.btn-light.nav-loading-btn::after {
    border: 2px solid rgba(182, 0, 0, 0.25);
    border-top-color: #b60000;
}
input[type="submit"].nav-loading-input {
    position: relative;
    pointer-events: none !important;
    color: transparent !important;
}
@keyframes nav-btn-loading-spin {
    to { transform: rotate(360deg); }
}