/* HatDauKhaAi - Audio Download Modal (Mod/Admin)
 * Mobile-first bottom-sheet, dùng CSS variables --hdk-*
 */

body.hdk-audio-download-open {
  overflow: hidden;
}

.hdk-audio-download-modal {
  position: fixed;
  inset: 0;
  z-index: 10050;
  display: none;
}

.hdk-audio-download-modal.is-open {
  display: block;
}

.hdk-audio-download-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(6px);
}

.hdk-audio-download-sheet {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--hdk-background, #fff);
  border: 1px solid var(--hdk-border, #e1eaef);
  border-bottom: none;
  border-radius: 16px 16px 0 0;
  box-shadow: var(--hdk-shadow-2xl, 0 25px 50px -12px rgba(0, 0, 0, 0.25));
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  transform: translateY(16px);
  opacity: 0;
  transition: var(--hdk-transition-normal, 300ms);
}

.hdk-audio-download-modal.is-open .hdk-audio-download-sheet {
  transform: translateY(0);
  opacity: 1;
}

.hdk-audio-download-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  border-bottom: 1px solid var(--hdk-border, #e1eaef);
  background: var(--hdk-background, #fff);
}

.hdk-audio-download-title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  color: var(--hdk-text-primary, #0f1419);
}

.hdk-audio-download-title iconify-icon {
  font-size: 22px;
  color: var(--hdk-primary, #54cfd6);
}

.hdk-audio-download-close {
  width: 36px;
  height: 36px;
  border: none;
  border-radius: 9999px;
  background: var(--hdk-input, #f7f9fa);
  color: var(--hdk-text-primary, #0f1419);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--hdk-transition-fast, 150ms);
}

.hdk-audio-download-close:hover {
  background: var(--hdk-primary-light, rgba(84, 207, 214, 0.1));
  color: var(--hdk-primary, #54cfd6);
}

.hdk-audio-download-body {
  padding: 14px 16px;
  overflow: auto;
}

.hdk-audio-download-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 180px;
  color: var(--hdk-text-secondary, #536471);
}

.hdk-audio-download-loading-spinner {
  width: 34px;
  height: 34px;
  border: 3px solid var(--hdk-border, #e1eaef);
  border-top-color: var(--hdk-primary, #54cfd6);
  border-radius: 50%;
  animation: hdkAudioSpin 0.8s linear infinite;
}

@keyframes hdkAudioSpin {
  to {
    transform: rotate(360deg);
  }
}

.hdk-audio-download-error {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 14px 16px;
  border: 1px solid rgba(244, 33, 46, 0.25);
  border-radius: 14px;
  background: rgba(244, 33, 46, 0.08);
  color: var(--hdk-text-primary, #0f1419);
}

.hdk-audio-download-error iconify-icon {
  font-size: 22px;
  color: var(--hdk-destructive, #f4212e);
  margin-top: 2px;
}

.hdk-audio-download-error-title {
  font-weight: 800;
  margin-bottom: 2px;
}

.hdk-audio-download-error-text {
  color: var(--hdk-text-secondary, #536471);
  font-size: 0.9rem;
}

.hdk-audio-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 12px;
}

.hdk-audio-select-all {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  color: var(--hdk-text-primary, #0f1419);
  user-select: none;
}

.hdk-audio-select-all input {
  width: 18px;
  height: 18px;
}

.hdk-audio-selected-meta {
  font-size: 0.9rem;
  color: var(--hdk-text-secondary, #536471);
}

.hdk-audio-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.hdk-audio-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px;
  border: 1px solid var(--hdk-border, #e1eaef);
  border-radius: 14px;
  background: var(--hdk-card, #f7f8f8);
  cursor: pointer;
}

.hdk-audio-item:hover {
  border-color: rgba(84, 207, 214, 0.6);
  background: var(--hdk-background, #fff);
}

.hdk-audio-item-checkbox {
  margin-top: 2px;
  width: 18px;
  height: 18px;
  flex: 0 0 auto;
}

.hdk-audio-item-main {
  flex: 1;
  min-width: 0;
}

.hdk-audio-item-title {
  font-weight: 800;
  color: var(--hdk-text-primary, #0f1419);
  line-height: 1.25;
}

.hdk-audio-item-sub {
  margin-top: 6px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.hdk-audio-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 9999px;
  background: var(--hdk-primary-light, rgba(84, 207, 214, 0.1));
  color: var(--hdk-primary, #54cfd6);
  font-size: 0.78rem;
  font-weight: 800;
}

.hdk-audio-size {
  font-size: 0.8rem;
  color: var(--hdk-text-muted, #8899a6);
}

.hdk-audio-actions {
  position: sticky;
  bottom: -14px;
  margin-top: 14px;
  padding: 12px 0 calc(12px + env(safe-area-inset-bottom));
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0) 0,
    var(--hdk-background, #fff) 22px,
    var(--hdk-background, #fff) 100%
  );
}

.dark .hdk-audio-actions,
body.dark-mode .hdk-audio-actions {
  background: linear-gradient(
    180deg,
    rgba(0, 0, 0, 0) 0,
    var(--hdk-background, #000) 22px,
    var(--hdk-background, #000) 100%
  );
}

.hdk-audio-download-submit {
  width: 100%;
  border: none;
  border-radius: 14px;
  padding: 12px 14px;
  font-weight: 900;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: var(--hdk-gradient-primary, linear-gradient(135deg, #54cfd6 0%, #48b8be 100%));
  color: #fff;
  box-shadow: var(--hdk-shadow-primary, 0 4px 14px rgba(84, 207, 214, 0.25));
  cursor: pointer;
  transition: var(--hdk-transition-normal, 300ms);
}

.hdk-audio-download-submit:hover {
  transform: translateY(-1px);
  box-shadow: var(--hdk-shadow-primary-lg, 0 10px 25px rgba(84, 207, 214, 0.35));
}

.hdk-audio-download-submit:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  transform: none;
}

.hdk-audio-note {
  margin-top: 8px;
  font-size: 0.85rem;
  color: var(--hdk-text-secondary, #536471);
  text-align: center;
}

@media (min-width: 768px) {
  .hdk-audio-download-sheet {
    width: min(760px, 92vw);
    left: 50%;
    right: auto;
    bottom: auto;
    top: 50%;
    transform: translate(-50%, -50%) scale(0.98);
    border-radius: 16px;
    border-bottom: 1px solid var(--hdk-border, #e1eaef);
  }

  .hdk-audio-download-modal.is-open .hdk-audio-download-sheet {
    transform: translate(-50%, -50%) scale(1);
  }

  .hdk-audio-download-body {
    max-height: min(70vh, 640px);
  }
}