body, html {
    margin: 0; padding: 0; width: 100%; height: 100%; background-color: #000;
    font-family: Arial, sans-serif; color: white;
}
.player-container {
    position: fixed; top: 0; left: 0; width: 100dvw; height: 100dvh;
    background: black; display: flex; flex-direction: column;
}
video {
    flex: 1; width: 100%; height: 100%; object-fit: contain; cursor: pointer;
}
.controls {
    position: absolute; bottom: 0; width: 100%;
    background: rgba(0, 0, 0, 0.7); padding: 12px; display: flex;
    align-items: center; gap: 15px; box-sizing: border-box;
    transition: opacity 0.3s ease-in-out; opacity: 1;
}
.control-btn {
    background: none; border: none; cursor: pointer; color: white;
    font-size: 24px; display: flex; align-items: center; justify-content: center;
}
.controls.hidden {
    opacity: 0; pointer-events: none;
}
.material-symbols-outlined {
    font-variation-settings: 'FILL' 0, 'wght' 400, 'GRAD' 0, 'opsz' 48
}
.progress-container {
    flex: 1; height: 4px; background: rgba(255, 255, 255, 0.3);
    border-radius: 2px; position: relative; cursor: pointer;
}
.progress {
    width: 0%; height: 100%; background: linear-gradient(90deg, #ffcc00, #ff6600);
    position: absolute; border-radius: 2px;
}
.buffer {
    width: 0%; height: 100%; background: rgba(255, 255, 255, 0.2);
    position: absolute; border-radius: 2px;
}
.volume-container {
    display: flex; align-items: center; position: relative; gap: 8px;
}
.volume-slider {
    width: 80px; height: 4px; -webkit-appearance: none;
    background: rgba(255,255,255,0.3); border-radius: 2px;
}
.volume-slider::-webkit-slider-thumb {
    -webkit-appearance: none; width: 12px; height: 12px;
    background: #ffcc00; border-radius: 50%;
}
.mute-btn {
    background: none; border: none; padding: 0; cursor: pointer;
    color: white; font-size: 20px;
}
select {
    background: rgba(0, 0, 0, 0.7); color: white; border: none;
    padding: 7px 11px; border-radius: 21px; font-size: 14px;
}
@media (max-width: 600px) {
    .volume-slider { display: none; }
    .volume-container { gap: 0; }
    .controls { padding: 8px; gap: 10px; }
    select { padding: 6px 10px; font-size: 12px; }
    .mute-btn { font-size: 18px; }
}