/* v19: رسالة التحميل البطيء وزر إعادة المحاولة فوق الفيديو */
.vr-box{position:absolute;z-index:4;top:calc(50% + 34px);left:50%;transform:translateX(-50%);width:min(78%,300px);padding:16px 14px;border-radius:18px;background:#0b0f1ecc;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);color:#fff;text-align:center;display:flex;flex-direction:column;gap:10px;align-items:center;pointer-events:auto}
.vr-box p{margin:0;font-size:15px;font-weight:600}
.vr-box small{opacity:.7;font-size:12px}
.vr-btn{border:0;border-radius:14px;padding:10px 18px;font:inherit;font-weight:700;color:#fff;background:linear-gradient(135deg,#ff3f80,#3ec9e6);cursor:pointer;-webkit-tap-highlight-color:transparent}
.vr-btn:active{transform:scale(.95)}
.video-card.loading .vr-box p{animation:vrpulse 1.6s ease-in-out infinite}
@keyframes vrpulse{50%{opacity:.55}}
.vr-diag{font:10px/1.4 monospace;opacity:.5;word-break:break-all}