:root {
  color-scheme: dark;
}

html {
  width: 100%;
  overflow-x: hidden;
  scroll-behavior: smooth;
}

body {
  width: 100%;
  overflow-x: hidden;
  background:
    radial-gradient(circle at top, rgba(254, 44, 85, 0.12), transparent 28%),
    radial-gradient(circle at right, rgba(37, 244, 238, 0.08), transparent 25%),
    linear-gradient(180deg, #010101 0%, #121212 100%);
}

#result-card {
  animation: slideInUp 0.35s ease-out;
}

@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(18px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

::-webkit-scrollbar-track {
  background: rgba(15, 23, 42, 0.8);
}

::-webkit-scrollbar-thumb {
  background: rgba(251, 113, 133, 0.5);
  border-radius: 9999px;
  border: 2px solid rgba(15, 23, 42, 0.8);
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(251, 113, 133, 0.7);
}

#post-title {
  scrollbar-width: thin;
  scrollbar-color: rgba(251, 113, 133, 0.55) rgba(15, 23, 42, 0.2);
}

.download-btn[disabled] {
  opacity: 0.75;
  cursor: wait;
}

/* Utility class for dynamic button spinner state */
.button-loading {
  pointer-events: none;
  opacity: 0.8;
}

.button-loading .spinner {
  animation: spin 1s linear infinite;
}

@keyframes spin {
  from {
    transform: rotate(0deg);
  }

  to {
    transform: rotate(360deg);
  }
}

.ad-shell,
.ad-slot {
  position: relative;
  display: flex;
  width: 100%;
  max-width: 100%;
  min-height: 90px;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border-radius: 1rem;
  border: 1px solid rgba(37, 244, 238, 0.18);
  background: linear-gradient(135deg, #161823 0%, #1E1E1E 100%);
  padding: 0.5rem;
  color: rgba(255, 255, 255, 0.72);
  text-align: center;
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  box-shadow: 0 0 0 1px rgba(254, 44, 85, 0.12), 0 0 24px rgba(37, 244, 238, 0.06);
}

.ad-shell::before,
.ad-slot::before {
  content: 'Google AdSense Container';
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0.8;
}

.ad-shell-sm,
.ad-slot.small {
  min-height: 250px;
}

#tiktok-form .glass-card,
#tiktok-form,
#result-card {
  box-shadow: 0 0 32px rgba(254, 44, 85, 0.3), 0 0 18px rgba(37, 244, 238, 0.2), 0 0 0 1px rgba(37, 244, 238, 0.14);
}

#submit-btn,
.download-btn[data-download='hd'] {
  box-shadow: 0 0 26px rgba(254, 44, 85, 0.4), 0 0 18px rgba(37, 244, 238, 0.18);
}

@media (max-width: 767px) {
  .result-card-shell {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
  }

  .result-media-wrap {
    width: 100%;
  }

  .result-media-wrap img {
    max-height: 18rem;
    margin-inline: auto;
  }

  .download-actions {
    display: grid;
    gap: 0.75rem;
  }

  .download-btn {
    width: 100%;
    min-height: 50px;
    font-size: 0.8rem;
  }

  #post-title {
    line-clamp: 3;
    -webkit-line-clamp: 3;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }
}

@media (min-width: 640px) {
  #tiktok-form {
    flex-direction: row;
    align-items: flex-end;
  }

  #submit-btn {
    width: auto;
    min-width: 150px;
  }
}

@media (min-width: 768px) {
  .result-card-shell {
    display: grid;
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: 1.5rem;
  }

  .result-media-wrap {
    grid-column: span 5 / span 5;
  }

  .result-details {
    grid-column: span 7 / span 7;
  }
}

@media (max-width: 639px) {
  .submit-label {
    display: inline-flex;
  }

  #paste-btn,
  #clear-btn {
    min-width: 0;
    padding-inline: 0.5rem;
  }

  #tiktok-url {
    padding-right: 5.25rem;
  }
}