/* ===== Settings sections (mode-aware) ===== */
.settings-section {
  margin-top: 28px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}
.settings-section-title {
  font-size: 16px;
  font-weight: 700;
  margin: 0 0 16px;
  color: var(--text);
}
.settings-section.mode-only.hidden { display: none; }

.setting-full { grid-column: 1 / -1; }
.cfg-row-3 {
  display: grid;
  grid-template-columns: 1fr 60px 80px;
  gap: 8px;
  margin-top: 8px;
}
input[type=text], input[type=number] {
  width: 100%;
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 8px 12px;
  color: var(--text);
  font-family: inherit;
  font-size: 14px;
  outline: none;
  transition: border-color .15s;
}
input[type=text]:focus, input[type=number]:focus {
  border-color: var(--primary);
}
select {
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 8px 12px;
  color: var(--text);
  font-family: inherit;
  font-size: 14px;
  cursor: pointer;
  outline: none;
}
input[type=text] code, .muted code {
  background: var(--panel-2);
  padding: 1px 6px;
  border-radius: 4px;
  font-size: 12px;
  color: var(--primary);
}

/* Mini dropzone (BGM/intro/outro) */
.dropzone-mini {
  border: 1.5px dashed var(--line);
  border-radius: 10px;
  padding: 14px;
  cursor: pointer;
  transition: all .15s;
  background: var(--panel);
  margin-top: 6px;
}
.dropzone-mini:hover, .dropzone-mini.hover {
  border-color: var(--primary);
  background: rgba(102, 126, 234, 0.05);
}
.dropzone-mini.has-file {
  border-style: solid;
  border-color: var(--success);
  background: rgba(67, 233, 123, 0.08);
}
.dz-inner-mini {
  display: flex;
  align-items: center;
  gap: 10px;
}
.dz-icon-mini { font-size: 24px; }
.dz-text-mini { font-size: 13px; color: var(--muted); }

.btn-secondary {
  background: var(--panel-2);
  border: 1px solid var(--line);
  color: var(--text);
  font-weight: 600;
}
.btn-secondary:hover { background: var(--panel); border-color: var(--primary); }

/* ===== Container & sections ===== */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 60px 24px;
}

.step-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 32px;
  margin-bottom: 24px;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  transition: all .3s;
  animation: fadeIn .4s ease-out;
}
.step-card.hidden { display: none; }
.step-card:hover { border-color: rgba(102, 126, 234, 0.3); }
@keyframes fadeIn { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }

.step-header {
  display: flex;
  gap: 18px;
  align-items: flex-start;
  margin-bottom: 24px;
}
.step-num {
  flex-shrink: 0;
  width: 44px; height: 44px;
  background: linear-gradient(135deg, #667eea, #f093fb);
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 20px; font-weight: 700; color: white;
  box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
}
.step-header h2 { margin: 0 0 4px; font-size: 22px; font-weight: 700; }
.step-header p { margin: 0; color: var(--muted); font-size: 14px; }

.muted { color: var(--muted); }
.small { font-size: 12px; }
.mono { font-family: ui-monospace, "SF Mono", monospace; }

/* ===== Job banner ===== */
.job-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  background: linear-gradient(135deg, rgba(102, 126, 234, 0.15), rgba(240, 147, 251, 0.15));
  border: 1px solid rgba(102, 126, 234, 0.3);
  border-radius: 12px;
  margin-bottom: 24px;
}
.job-banner.hidden { display: none; }
.job-info { display: flex; align-items: center; gap: 10px; font-size: 14px; }
.job-label { color: var(--muted); }
.job-info code {
  background: var(--panel-2);
  padding: 3px 10px;
  border-radius: 6px;
  font-size: 13px;
}

/* ===== Dropzone ===== */
.dropzone {
  border: 2px dashed var(--line);
  border-radius: 16px;
  padding: 48px 24px;
  text-align: center;
  cursor: pointer;
  transition: all .2s;
  background: var(--panel);
}
.dropzone:hover, .dropzone.hover {
  border-color: var(--primary);
  background: rgba(102, 126, 234, 0.05);
}
.dropzone.has-file {
  border-style: solid;
  border-color: var(--success);
  background: rgba(67, 233, 123, 0.05);
}
.dropzone.uploading {
  border-style: solid;
  border-color: var(--primary);
  background: rgba(102, 126, 234, 0.05);
  cursor: default;
}
.dropzone.error {
  border-style: solid;
  border-color: #ff4757;
  background: rgba(255, 71, 87, 0.05);
}
.dz-icon { font-size: 56px; margin-bottom: 12px; }
.dz-text { font-size: 16px; margin-bottom: 8px; }
.dz-hint { font-size: 13px; color: var(--muted); }

.dz-progress {
  margin-top: 20px;
  padding: 16px 20px;
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: 12px;
  text-align: left;
}
.dz-progress[hidden] { display: none; }
.dz-prog-name {
  font-weight: 600;
  font-size: 14px;
  margin-bottom: 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  display: flex;
  align-items: center;
  gap: 8px;
}
.dz-prog-name::before {
  content: "📎";
}
.dz-prog-size {
  font-size: 12px;
  color: var(--muted);
  font-family: ui-monospace, monospace;
  margin-bottom: 10px;
}
.dz-prog-size .pct {
  color: var(--primary);
  font-weight: 600;
  margin-left: 8px;
}
.dz-prog-status {
  font-size: 13px;
  color: var(--muted);
  margin-top: 8px;
  display: flex;
  align-items: center;
  gap: 6px;
}
.dz-prog-status.success { color: var(--success); }
.dz-prog-status.error { color: #ff4757; }

/* ===== Person preview ===== */
.person-preview {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 20px;
}
.person-preview.hidden { display: none; }
.person-side h4 { margin: 0 0 8px; font-size: 14px; color: var(--muted); font-weight: 500; }
.person-side img {
  width: 100%;
  max-height: 320px;
  object-fit: contain;
  background: repeating-conic-gradient(#2a2a3a 0% 25%, #1a1a2a 0% 50%) 50% / 16px 16px;
  border-radius: 12px;
  border: 1px solid var(--line);
}

/* ===== Background grid ===== */
.bg-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 12px;
  margin-top: 20px;
}
.bg-card {
  position: relative;
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
  cursor: grab;
  transition: all .15s;
}
.bg-card:hover { transform: translateY(-2px); border-color: var(--primary); }
.bg-card.dragging { opacity: 0.5; cursor: grabbing; }
.bg-card img { width: 100%; aspect-ratio: 16/9; object-fit: cover; display: block; }
.bg-num {
  position: absolute; top: 6px; left: 6px;
  background: linear-gradient(135deg, #667eea, #f093fb);
  color: white;
  font-size: 11px; font-weight: 700;
  padding: 2px 8px; border-radius: 6px;
}
.bg-del {
  position: absolute; top: 6px; right: 6px;
  background: rgba(0,0,0,0.7);
  color: white; border: none;
  width: 26px; height: 26px;
  border-radius: 6px; cursor: pointer;
  font-size: 14px; line-height: 1;
  display: flex; align-items: center; justify-content: center;
  transition: background .15s;
}
.bg-del:hover { background: #ff4757; }

/* ===== Settings ===== */
.settings-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}
.setting label {
  display: block;
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 10px;
  font-weight: 500;
}
.slider-row {
  display: flex; align-items: center; gap: 12px;
}
.slider-row input[type=range] { flex: 1; }
input[type=range] {
  -webkit-appearance: none; appearance: none;
  background: transparent;
  height: 24px;
}
input[type=range]::-webkit-slider-runnable-track {
  background: linear-gradient(90deg, var(--primary), var(--accent));
  height: 4px; border-radius: 2px;
}
input[type=range]::-webkit-slider-thumb {
  -webkit-appearance: none; appearance: none;
  background: white;
  border: 2px solid var(--primary);
  height: 18px; width: 18px;
  border-radius: 50%;
  cursor: pointer;
  margin-top: -7px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.3);
}
input[type=range]::-moz-range-track {
  background: linear-gradient(90deg, var(--primary), var(--accent));
  height: 4px; border-radius: 2px;
}
input[type=range]::-moz-range-thumb {
  background: white;
  border: 2px solid var(--primary);
  height: 18px; width: 18px;
  border-radius: 50%;
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(0,0,0,0.3);
}
.badge {
  display: inline-block;
  background: var(--panel-2);
  padding: 4px 10px;
  border-radius: 8px;
  font-size: 12px;
  font-family: ui-monospace, monospace;
  border: 1px solid var(--line);
  min-width: 60px;
  text-align: center;
}

.seg {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
  background: var(--panel-2);
  border-radius: 10px;
  padding: 4px;
  border: 1px solid var(--line);
}
.seg button {
  background: transparent;
  border: none;
  color: var(--text);
  padding: 10px 6px;
  border-radius: 7px;
  cursor: pointer;
  font-family: inherit;
  font-size: 12px;
  font-weight: 500;
  transition: background .15s;
}
.seg button:hover { background: var(--panel); }
.seg button.active {
  background: linear-gradient(135deg, #667eea, #764ba2);
  color: white;
  font-weight: 600;
}

.checkbox {
  display: flex; align-items: center; gap: 10px;
  cursor: pointer;
  user-select: none;
}
.checkbox input { width: 18px; height: 18px; cursor: pointer; accent-color: var(--primary); }
.checkbox span { font-size: 14px; }

.chroma-row { display: flex; align-items: center; gap: 12px; }
input[type=color] {
  width: 44px; height: 32px;