.video-bg {
  position: fixed;
  top: 0; 
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: -1;
  opacity: 0; 
  transition: opacity 2s ease;
  overflow: hidden;
}
.video-bg.show {
  opacity: 1;
}
.video-bg video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  pointer-events: none;
}

.music-player {
  height: 230px;
  width: 350px;
  padding: 20px;
  background: linear-gradient(145deg, #121212, #1d1d1f);
  border-radius: 35px;
  box-shadow: 0px 10px 15px rgba(0, 0, 0, 0.5);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.corner-tag {
  position: absolute;
  top: 15px;
  left: 18px;
  background: #2a2a2d;
  transform: rotate(45deg);
  color: #fff;
  padding: 6px 10px;
  border-radius: 12px;
  font-size: 0.8rem;
  font-weight: 500;
  opacity: 0.85;
  animation: pulseTag 1s infinite alternate ease-in-out;
  z-index: 10; 
}

@keyframes pulseTag {
  0% {
    transform: scale(1);
    opacity: 0.85;
  }
  100% {
    transform: scale(1.1);
    opacity: 1;
  }
}

.corner-tag.hide {
  display: none;
}

@keyframes visualizer {
  0%, 100% { transform: scaleY(0.4); }
  50%      { transform: scaleY(1); }
}
.visualizer-bar {
  display: inline-block;
  width: 4px;
  height: 20px;
  margin: 2px;
  background: #0078ff;
  animation: visualizer 0.5s infinite ease-in-out;
  animation-play-state: paused;
}
.visualizer-bar:nth-child(2) { animation-delay: 0.1s; }
.visualizer-bar:nth-child(3) { animation-delay: 0.2s; }
.visualizer-bar:nth-child(4) { animation-delay: 0.3s; }

.highlight {
  position: absolute;
  border-radius: 50%;
  filter: blur(40px);
  opacity: 0.6;
}
.top-right {
  width: 200px;
  height: 200px;
  top: -50px;
  right: -50px;
  background: radial-gradient(circle, rgba(0, 120, 255, 0.8), transparent);
}

.bottom-left {
  width: 150px;
  height: 150px;
  bottom: -50px;
  left: -45px;
  background: radial-gradient(circle, rgba(0, 120, 255, 0.8), transparent);
}

.music-info {
  margin-bottom: 15px;
  position: relative;
  z-index: 2;
}
.song-title {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 5px;
}
.artist {
  font-size: 1rem;
  color: #aaa;
}

.progress-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: 20px 0;
}
.progress-bar {
  flex: 1;
  height: 5px;
  background: #333;
  border-radius: 5px;
  margin: 0 10px;
  overflow: hidden;
  position: relative;
}
.progress {
  height: 100%;
  width: 0;
  background: #0078ff;
  border-radius: 5px;
}
.current-time,
.duration {
  font-size: 0.8rem;
}

.controls {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 15px;
}
.control-btn {
  background: #1d1d1f;
  border: none;
  border-radius: 50%;
  padding: 15px;
  cursor: pointer;
  transition: all 0.2s ease;
  box-shadow: 0px 5px 10px rgba(0, 0, 0, 0.3);
  position: relative;
  z-index: 2;
  width: 50px; 
  height: 50px; 
}
.control-btn i {
  font-size: 1.2rem;
  color: #0078ff;
}
.control-btn:hover {
  transform: scale(1.1);
  background: #2a2a2d;
}
.control-btn:active {
  transform: none;
}
/* ==========================================================================
   ANKET KATMANI - video oynatıcının uzerinde acilir, arkasi yari saydam
   ========================================================================== */
.lms-survey {
  position: absolute;
  inset: 0;
  z-index: 60;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 16px;
  background: rgba(8, 8, 12, 0.55);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  animation: lmsSurveyFade 0.25s ease;
}
.lms-survey.is-open {
  display: flex;
}
@keyframes lmsSurveyFade {
  from { opacity: 0; }
  to { opacity: 1; }
}

.lms-survey__panel {
  width: 100%;
  max-width: 560px;
  max-height: 100%;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: rgba(20, 20, 26, 0.92);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 16px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.55);
  color: #fff;
}

.lms-survey__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px 10px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.lms-survey__badge {
  display: inline-block;
  margin-bottom: 4px;
  padding: 2px 10px;
  border-radius: 999px;
  background: #e50914;
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}
.lms-survey__title {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.3;
  color: #fff;
}
.lms-survey__close {
  flex: 0 0 auto;
  width: 32px;
  height: 32px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  font-size: 15px;
  line-height: 1;
  cursor: pointer;
  transition: background 0.2s ease;
}
.lms-survey__close:hover {
  background: rgba(255, 255, 255, 0.2);
}

.lms-survey__content,
.lms-survey__form {
  display: flex;
  flex-direction: column;
  min-height: 0;
  overflow: hidden;
}
.lms-survey__body {
  padding: 14px 16px;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: rgba(255, 255, 255, 0.25) transparent;
}
.lms-survey__body::-webkit-scrollbar {
  width: 6px;
}
.lms-survey__body::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.25);
  border-radius: 3px;
}

/* Butonlar kaydirma alaninin disinda, her zaman gorunur */
.lms-survey__footer {
  flex: 0 0 auto;
  padding: 12px 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.03);
}
.lms-survey__desc {
  margin: 0 0 14px;
  font-size: 13px;
  line-height: 1.5;
  color: rgba(255, 255, 255, 0.7);
}
.lms-survey__note {
  padding: 12px 14px;
  border-radius: 10px;
  background: rgba(40, 167, 69, 0.15);
  border: 1px solid rgba(40, 167, 69, 0.4);
  font-size: 14px;
  color: #d4f5dc;
}

.lms-survey__question + .lms-survey__question {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}
.lms-survey__question-text {
  font-size: 15px;
  font-weight: 600;
  color: #fff;
}
.lms-survey__hint {
  margin: 2px 0 10px;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.45);
}

.lms-survey__option {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
  padding: 9px 12px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.04);
  cursor: pointer;
  transition: border-color 0.2s ease, background 0.2s ease;
}
.lms-survey__option:hover {
  border-color: rgba(229, 9, 20, 0.6);
  background: rgba(255, 255, 255, 0.07);
}
.lms-survey__option:has(.lms-survey__checkbox:checked) {
  border-color: #e50914;
  background: rgba(229, 9, 20, 0.14);
}
.lms-survey__checkbox {
  flex: 0 0 auto;
  width: 17px;
  height: 17px;
  margin: 0;
  accent-color: #e50914;
  cursor: pointer;
}
.lms-survey__option-text {
  font-size: 14px;
  line-height: 1.35;
  color: rgba(255, 255, 255, 0.9);
}

.lms-survey__error {
  margin-bottom: 10px;
  padding: 9px 12px;
  border-radius: 8px;
  background: rgba(229, 9, 20, 0.15);
  border: 1px solid rgba(229, 9, 20, 0.45);
  font-size: 13px;
  color: #ffd7d9;
}
.lms-survey__error[hidden] {
  display: none;
}

.lms-survey__actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}
.lms-survey__btn {
  padding: 9px 20px;
  border-radius: 10px;
  border: 1px solid transparent;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.2s ease, background 0.2s ease;
}
.lms-survey__btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}
.lms-survey__btn--ghost {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.3);
  color: rgba(255, 255, 255, 0.85);
}
.lms-survey__btn--ghost:hover {
  background: rgba(255, 255, 255, 0.1);
}
.lms-survey__btn--primary {
  background: #e50914;
  color: #fff;
}
.lms-survey__btn--primary:hover:not(:disabled) {
  background: #ff1d27;
}

/* Kucuk oynatici alanlarinda (mobil) daha kompakt */
@media (max-width: 575.98px) {
  .lms-survey {
    padding: 10px;
  }
  .lms-survey__header {
    padding: 10px 12px 8px;
  }
  .lms-survey__body {
    padding: 10px 12px;
  }
  .lms-survey__footer {
    padding: 10px 12px;
  }
  .lms-survey__title {
    font-size: 15px;
  }
  .lms-survey__option {
    padding: 7px 10px;
  }
  .lms-survey__option-text {
    font-size: 13px;
  }
}