/* Section shell */
.upload-section {
  padding: 4rem 0;
  background:
    radial-gradient(800px 400px at 15% -10%, rgba(124,92,255,.12), transparent 60%),
    radial-gradient(700px 300px at 90% 0%, rgba(90,169,255,.12), transparent 60%),
    #0f1220;
  min-height: 70vh;
  display: flex;
  align-items: center;
}

/* Card */
.upload-container {
  max-width: 880px;
  margin: 0 auto;
  padding: clamp(20px,3vw,28px);
  background: linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.02));
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 16px;
  box-shadow: 0 10px 30px rgba(0,0,0,.35);
}

.upload-title {
  text-align: center;
  margin-bottom: .4rem;
  color: var(--text);
  font-weight: 800;
}
.upload-instructions {
  text-align: center;
  margin-bottom: 1.2rem;
  color: var(--muted);
}

/* Dropzone-like frame */
.dropzone {
  border: 2px dashed rgba(124,92,255,.45) !important;
  border-radius: 12px !important;
  background: rgba(255,255,255,.03) !important;
  min-height: 200px !important;
  padding: 20px !important;
  cursor: pointer !important;
}
.dropzone .dz-message {
  margin: 2em 0 !important;
  color: var(--text) !important;
  font-size: 1.1rem !important;
}

/* Fallback file inputs */
.file-input-group{
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
  align-items: center;
  margin-bottom: 10px;
}
.file-input{
  width: 100%;
  background: #171b36;
  border: 1px dashed rgba(255,255,255,.18);
  padding: 12px;
  color: var(--text);
  border-radius: 12px;
  transition: border-color .18s ease, box-shadow .18s ease, background .18s ease;
}
.file-input:hover,
.file-input:focus{
  border-color: rgba(124,92,255,.45);
  box-shadow: 0 0 0 3px rgba(124,92,255,.25);
  background: #1f2450;
}

.file-input::file-selector-button{
  border-radius: 14px;
}

.file-input::-webkit-file-upload-button{
  border-radius: 14px;
}

.add-file-btn, .remove-file-btn{
  border: 0;
  padding: 10px 14px;
  border-radius: 12px;
  font-weight: 700;
  cursor: pointer;
  transition: transform .15s ease, filter .15s ease, box-shadow .15s ease, background .15s ease;
}
.add-file-btn{
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  color: white;
  box-shadow: 0 10px 22px rgba(124,92,255,.35);
  margin-top: 6px;
}
.add-file-btn:hover{ transform: translateY(-1px); filter: brightness(1.05); }
.remove-file-btn{
  background: rgba(255,255,255,.08);
  color: var(--muted);
}
.remove-file-btn:hover{ color: #fff; box-shadow: 0 6px 18px rgba(0,0,0,.25); }

/* Textarea */
.text-input-container { margin: 1.2rem 0; }
.text-input{
  width: 100%;
  padding: 14px 16px;
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 16px;
  background-color: #171b36;
  font-size: 1rem;
  color: var(--text);
  resize: vertical;
  min-height: 120px;
  transition: all 0.18s ease;
  font-family: inherit;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.04);
}
.text-input:hover{ border-color: rgba(124,92,255,.35); }
.text-input:focus{
  outline: none;
  border-color: rgba(124,92,255,.45);
  box-shadow: 0 0 0 3px rgba(124,92,255,.25);
  background: #1f2450;
}
.text-input::placeholder { color: #9aa0c6; }

.meta-inputs{
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-bottom: 14px;
}

.meta-field{
  display: flex;
  align-items: center;
  gap: 10px;
}

.meta-label{
  min-width: 88px;            
  color: var(--text);
  font-weight: 700;
  font-size: 0.95rem;
  opacity: 0.95;
}

.meta-input{
  width: 100%;
  padding: 10px 12px;
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 12px;
  background: #171b36;
  color: var(--text);
  font-size: 0.95rem;
  transition: border-color .18s ease, box-shadow .18s ease, background .18s ease;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.04);
}

.meta-input:hover{
  border-color: rgba(124,92,255,.35);
}

.meta-input:focus{
  outline: none;
  border-color: rgba(124,92,255,.55);
  box-shadow: 0 0 0 3px rgba(124,92,255,.22);
  background: #1f2450;
}

.meta-input::placeholder{
  color: #9aa0c6;
}

/* Responsive */
@media (max-width: 768px){
  .meta-inputs{ grid-template-columns: 1fr; }
  .meta-label{ min-width: 92px; }
}

/* Submit button */
.submit-btn {
  background: linear-gradient(135deg, var(--accent), var(--brand-2));
  color: #08121a;
  padding: 14px 16px;
  border: none;
  border-radius: 999px;
  font-weight: 900;
  letter-spacing: .3px;
  margin-top: 1rem;
  width: 100%;
  transition: transform 0.15s ease, box-shadow 0.15s ease, filter .15s ease, background .15s ease;
  box-shadow: 0 12px 30px rgba(37,208,166,.35);
}
.submit-btn:hover { transform: translateY(-1px); filter: brightness(1.03); }
.submit-btn:disabled { background: #8892b0; color: #0b0e1a; cursor: not-allowed; }

/* Responsive */
@media (max-width: 768px) {
  .file-input-group { grid-template-columns: 1fr; }
}

/* Drag & Drop */
.drop-area{
  border: 2px dashed rgba(124,92,255,.45);
  border-radius: 14px;
  background: rgba(255,255,255,.03);
  padding: 18px;
  margin-bottom: 14px;
  transition: box-shadow .18s ease, border-color .18s ease, background .18s ease;
}
.drop-area.is-dragover{
  border-color: rgba(124,92,255,.75);
  box-shadow: 0 0 0 4px rgba(124,92,255,.22);
  background: rgba(124,92,255,.08);
}
.drop-area-inner{
  text-align: center;
}
.drop-title{
  color: var(--text);
  font-weight: 800;
  margin-bottom: 4px;
}
.drop-subtitle{
  color: var(--muted);
  margin-bottom: 12px;
  font-size: .95rem;
}
.file-input-hidden{
  display:none;
}

/* Sortable file list */
.file-list{
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 10px;
}
.file-row{
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 10px;
  padding: 12px;
  border-radius: 14px;
  background: #171b36;
  border: 1px solid rgba(255,255,255,.10);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.04);
}
.file-left{
  display:flex;
  gap: 16px;
  align-items: center;
  min-width: 0;
}
.drag-handle{
  cursor: grab;
  color: rgba(255,255,255,.6);
  font-weight: 1000;
  user-select:none;
}
.file-name{
  color: var(--text);
  font-weight: 750;
  overflow:hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.file-meta{
  color: var(--muted);
  font-size: .85rem;
  margin-top: 2px;
}

/* Voice dropdown */
.voice-row{
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 10px;
}

.voice-label{
  color: var(--text);
  font-weight: 800;
  min-width: 64px;
  opacity: 0.95;
  padding: 10px;
}

.voice-select-wrap{
  position: relative;
  width: 100%;
  max-width: 520px;
}

.voice-select{
  width: 100%;
  padding: 12px 44px 12px 14px;
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  background: #171b36;
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 14px;
  color: var(--text);
}

/* custom arrow */
.voice-select-wrap::after{
  content: "▾";
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: rgba(255,255,255,.75);
  pointer-events: none;
  font-size: 14px;
}

.voice-select:hover{
  border-color: rgba(124,92,255,.35);
}

.voice-select:focus{
  outline: none;
  border-color: rgba(124,92,255,.55);
  box-shadow: 0 0 0 3px rgba(124,92,255,.22);
  background: #1f2450;
}

/* Voice preview button */
.voice-preview-btn{
  flex-shrink: 0;
  height: 46px;
  padding: 0 18px;
  gap: 8px;
  border: none;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  color: white;
  font-size: 15px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 18px rgba(124,92,255,.35);
  transition: transform .18s ease, box-shadow .18s ease, filter .18s ease, background .3s ease;
  position: relative;
  overflow: hidden;
}
.preview-label{
  font-size: .85rem;
  font-weight: 700;
  letter-spacing: .3px;
  white-space: nowrap;
  position: relative;
  z-index: 1;
}
.voice-preview-btn::before{
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(135deg, rgba(255,255,255,.15), transparent 60%);
  pointer-events: none;
}
.voice-preview-btn:hover{
  transform: translateY(-2px) scale(1.04);
  box-shadow: 0 10px 28px rgba(124,92,255,.45);
  filter: brightness(1.08);
}
.voice-preview-btn:active{
  transform: translateY(0) scale(.97);
  box-shadow: 0 4px 12px rgba(124,92,255,.3);
}
.voice-preview-btn.playing{
  background: linear-gradient(135deg, var(--accent), #1ecb9e);
  box-shadow: 0 6px 22px rgba(37,208,166,.4);
  animation: pulse-glow 1.8s ease-in-out infinite;
}
.voice-preview-btn.loading{
  opacity: .65;
  pointer-events: none;
  animation: spin-load .9s linear infinite;
}
.preview-icon{
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 1;
}

@keyframes pulse-glow{
  0%, 100%{ box-shadow: 0 6px 22px rgba(37,208,166,.35); }
  50%{ box-shadow: 0 6px 30px rgba(37,208,166,.55), 0 0 0 6px rgba(37,208,166,.12); }
}
@keyframes spin-load{
  from{ transform: rotate(0deg); }
  to{ transform: rotate(360deg); }
}

/* Background Music section */
.music-section{
  margin-top: 14px;
}
.music-label{
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text);
  font-weight: 800;
  font-size: .95rem;
  margin-bottom: 8px;
  opacity: .95;
}
.music-label svg{
  color: var(--brand);
  flex-shrink: 0;
}
.music-optional{
  font-size: .75rem;
  font-weight: 600;
  color: var(--muted);
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 6px;
  padding: 2px 8px;
  margin-left: 4px;
}
.music-input{
  min-height: 72px;
}
.music-hint{
  margin-top: 6px;
  font-size: .8rem;
  color: var(--muted);
  opacity: .7;
}