/* =============================================
   Suno Music Workstation · v3-α
   设计系统：浩哥融合（#CCFF00 主调 + 紫粉渐变 accent）
   L-021 规范：禁裸 emoji，改 Lucide SVG
   suno-workstation-css-marker-v3a
   ============================================= */

/* ── 1. CSS 变量（全站设计 token） ──────────── */
:root {
  --sw-bg-deep:      #050508;
  --sw-bg-panel:     rgba(10, 10, 18, 0.92);
  --sw-bg-card:      rgba(16, 16, 26, 0.85);
  --sw-bg-input:     rgba(255, 255, 255, 0.06);
  --sw-bg-hover:     rgba(255, 255, 255, 0.04);

  --sw-accent:       #CCFF00;               /* 浩哥主色 lime */
  --sw-purple:       #7B2FBE;               /* Suno 主紫 */
  --sw-pink:         #C84B9B;               /* Suno 粉 */
  --sw-music-grad:   linear-gradient(135deg, #7B2FBE 0%, #C84B9B 50%, #CCFF00 100%);
  --sw-gen-btn:      linear-gradient(135deg, #FF6B9D, #9B59B6);
  --sw-gen-btn-hov:  linear-gradient(135deg, #e05c8d, #8a4da5);

  --sw-text-1:  #ffffff;
  --sw-text-2:  rgba(255,255,255,0.7);
  --sw-text-3:  rgba(255,255,255,0.45);
  --sw-text-4:  rgba(255,255,255,0.25);

  --sw-border:       rgba(255, 255, 255, 0.08);
  --sw-border-focus: rgba(123, 47, 190, 0.6);
  --sw-border-accent:rgba(204, 255, 0, 0.35);

  --sw-success: #22C55E;
  --sw-warning: #F59E0B;
  --sw-error:   #EF4444;

  --sw-radius-card:  16px;
  --sw-radius-btn:   10px;
  --sw-radius-input: 8px;
  --sw-blur:         20px;

  --sw-shadow-card: 0 4px 24px rgba(0,0,0,0.4);
  --sw-shadow-glow: 0 6px 24px rgba(255, 107, 157, 0.35);
  --sw-shadow-lime: 0 4px 16px rgba(204, 255, 0, 0.2);
}

/* ── 2. Base ─────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }

.sw-page {
  min-height: 100vh;
  color: var(--sw-text-1);
  font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Inter', sans-serif;
  background:
    linear-gradient(rgba(5,5,8,0.88), rgba(5,5,8,0.92)),
    url('https://cdn.wutuobangai.com/assets/bg/bg-automation.webp') no-repeat center center fixed;
  background-size: cover;
}

/* ── 3. Top Bar ───────────────────────────────── */
.sw-topbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 56px;
  background: rgba(5,5,8,0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--sw-border);
  z-index: 1000;
  display: flex;
  align-items: center;
  padding: 0 16px;
  gap: 10px;
}

.sw-topbar-back {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 6px 12px;
  border: 1px solid rgba(255,255,255,0.18);
  border-radius: 6px;
  background: rgba(255,255,255,0.04);
  color: var(--sw-text-2);
  font-size: 13px;
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
  white-space: nowrap;
}
.sw-topbar-back:hover {
  border-color: var(--sw-accent);
  background: rgba(204,255,0,0.08);
  color: var(--sw-accent);
}

.sw-topbar-title {
  flex: 1;
  font-size: 16px;
  font-weight: 700;
  color: var(--sw-text-1);
  display: flex;
  align-items: center;
  gap: 8px;
}
.sw-topbar-title .sw-badge {
  padding: 2px 8px;
  background: var(--sw-gen-btn);
  border-radius: 10px;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.3px;
}

.sw-coins {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 6px 12px;
  background: rgba(204,255,0,0.08);
  border: 1px solid rgba(204,255,0,0.25);
  border-radius: 16px;
  font-size: 13px;
  color: var(--sw-accent);
  font-weight: 600;
  white-space: nowrap;
}
.sw-coins svg { opacity: 0.8; }

.sw-topbar-spacer { height: 56px; }

/* ── 4. Layout（左右双栏） ─────────────────────── */
.sw-layout {
  display: flex;
  height: calc(100vh - 56px);
  overflow: hidden;
}

/* ── 5. Create Panel（左侧） ──────────────────── */
.sw-create-panel {
  width: 360px;
  min-width: 300px;
  max-width: 400px;
  flex-shrink: 0;
  background: rgba(8, 8, 14, 0.96);
  border-right: 1px solid var(--sw-border);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  overflow-x: hidden;
}

.sw-panel-inner {
  flex: 1;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

/* ── 6. Mode Tabs ────────────────────────────── */
.sw-mode-tabs {
  display: flex;
  gap: 6px;
  padding: 4px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--sw-border);
  border-radius: 12px;
}

.sw-mode-tab {
  flex: 1;
  padding: 8px 6px;
  border: none;
  border-radius: 9px;
  background: transparent;
  color: var(--sw-text-3);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.22s ease;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
}
.sw-mode-tab:hover {
  color: var(--sw-text-2);
  background: rgba(255,255,255,0.05);
}
.sw-mode-tab.active {
  background: var(--sw-gen-btn);
  color: #fff;
  box-shadow: 0 2px 12px rgba(155,89,182,0.3);
}
.sw-mode-tab .tab-icon {
  font-size: 16px;
  line-height: 1;
}
.sw-mode-tab .tab-label {
  font-size: 11px;
  white-space: nowrap;
}

/* ── 7. Section 标题 ─────────────────────────── */
.sw-section-label {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--sw-text-3);
  margin-bottom: 7px;
  display: flex;
  align-items: center;
  gap: 5px;
}
.sw-section-label.required::after {
  content: '*';
  color: var(--sw-error);
  margin-left: 2px;
}

/* ── 8. 输入框 ───────────────────────────────── */
.sw-input,
.sw-textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--sw-border);
  border-radius: var(--sw-radius-input);
  background: var(--sw-bg-input);
  color: var(--sw-text-1);
  font-size: 13px;
  font-family: inherit;
  outline: none;
  transition: border-color 0.22s ease, box-shadow 0.22s ease, background 0.22s ease;
  line-height: 1.6;
}
.sw-input:focus,
.sw-textarea:focus {
  border-color: var(--sw-border-focus);
  background: rgba(123,47,190,0.06);
  box-shadow: 0 0 0 3px rgba(123,47,190,0.12);
}
.sw-textarea {
  resize: vertical;
  min-height: 96px;
}
.sw-input::placeholder,
.sw-textarea::placeholder {
  color: var(--sw-text-4);
}
.sw-input-hint {
  font-size: 11px;
  color: var(--sw-text-4);
  margin-top: 5px;
  line-height: 1.5;
}

/* ── 9. Enhance Prompt 按钮 ──────────────────── */
.sw-enhance-btn {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 6px 12px;
  border: 1px solid rgba(204,255,0,0.3);
  border-radius: 7px;
  background: rgba(204,255,0,0.06);
  color: var(--sw-accent);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  margin-top: 6px;
  width: fit-content;
}
.sw-enhance-btn:hover {
  background: rgba(204,255,0,0.12);
  border-color: rgba(204,255,0,0.6);
}

/* ── 10. 风格标签 Tag 输入 ───────────────────── */
.sw-tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 6px;
}
.sw-tag-preset {
  padding: 4px 10px;
  border: 1px solid var(--sw-border);
  border-radius: 20px;
  background: var(--sw-bg-input);
  color: var(--sw-text-3);
  font-size: 11px;
  cursor: pointer;
  transition: all 0.18s ease;
  white-space: nowrap;
}
.sw-tag-preset:hover {
  border-color: rgba(155,89,182,0.5);
  color: var(--sw-text-2);
  background: rgba(155,89,182,0.08);
}
.sw-tag-preset.selected {
  border-color: var(--sw-purple);
  background: rgba(123,47,190,0.15);
  color: #c4a1ee;
}

/* ── 11. Toggle（纯音乐开关） ─────────────────── */
.sw-toggle-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border: 1px solid var(--sw-border);
  border-radius: var(--sw-radius-input);
  background: var(--sw-bg-input);
  cursor: pointer;
  transition: border-color 0.2s ease, background 0.2s ease;
}
.sw-toggle-row:hover {
  border-color: rgba(255,255,255,0.15);
  background: rgba(255,255,255,0.05);
}
.sw-toggle {
  position: relative;
  width: 34px;
  height: 18px;
  flex-shrink: 0;
}
.sw-toggle input {
  opacity: 0;
  width: 0; height: 0;
  position: absolute;
}
.sw-toggle-track {
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.12);
  border-radius: 10px;
  transition: background 0.22s ease;
}
.sw-toggle input:checked ~ .sw-toggle-track {
  background: var(--sw-purple);
}
.sw-toggle-thumb {
  position: absolute;
  top: 2px; left: 2px;
  width: 14px; height: 14px;
  background: #fff;
  border-radius: 50%;
  transition: transform 0.22s ease;
}
.sw-toggle input:checked ~ .sw-toggle-thumb {
  transform: translateX(16px);
}
.sw-toggle-info { display: flex; flex-direction: column; }
.sw-toggle-info .tw-main { font-size: 13px; color: var(--sw-text-2); }
.sw-toggle-info .tw-sub  { font-size: 11px; color: var(--sw-text-4); margin-top: 1px; }

/* ── 12. Advanced 折叠 ───────────────────────── */
.sw-advanced-toggle {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--sw-text-3);
  cursor: pointer;
  user-select: none;
  transition: color 0.18s ease;
  padding: 4px 0;
}
.sw-advanced-toggle:hover { color: var(--sw-text-2); }
.sw-advanced-toggle .sw-adv-arrow {
  transition: transform 0.22s ease;
  display: inline-block;
}
.sw-advanced-toggle.open .sw-adv-arrow {
  transform: rotate(90deg);
}

.sw-advanced-body {
  display: none;
  flex-direction: column;
  gap: 10px;
  padding: 12px;
  border: 1px solid var(--sw-border);
  border-radius: var(--sw-radius-input);
  background: rgba(255,255,255,0.02);
  margin-top: 4px;
}
.sw-advanced-body.open { display: flex; }

/* ── 13. 价格说明卡 ────────────────────────── */
.sw-price-card {
  background: rgba(204,255,0,0.06);
  border: 1px solid rgba(204,255,0,0.15);
  border-radius: var(--sw-radius-input);
  padding: 12px;
}
.sw-price-card-title {
  font-size: 11px;
  font-weight: 700;
  color: var(--sw-accent);
  text-transform: uppercase;
  letter-spacing: 0.6px;
  margin-bottom: 8px;
}
.sw-price-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  padding: 2px 0;
}
.sw-price-row .tier  { color: var(--sw-text-3); }
.sw-price-row .amt   { font-weight: 700; }
.sw-price-row.highlight-visitor .amt { color: var(--sw-text-1); }
.sw-price-row.highlight-vip     .amt { color: var(--sw-accent); }
.sw-price-row.highlight-svip    .amt { color: var(--sw-warning); }
.sw-price-row.current {
  background: rgba(204,255,0,0.05);
  border-radius: 5px;
  padding: 3px 6px;
  margin: 0 -6px;
}
.sw-price-note {
  font-size: 11px;
  color: var(--sw-text-4);
  margin-top: 8px;
  line-height: 1.5;
}

/* ── 14. 生成按钮 ────────────────────────────── */
.sw-run-wrap {
  padding: 14px 16px;
  border-top: 1px solid var(--sw-border);
  background: rgba(8,8,14,0.98);
  position: sticky;
  bottom: 0;
}
.sw-btn-gen {
  width: 100%;
  padding: 14px 20px;
  font-size: 15px;
  font-weight: 700;
  border: none;
  border-radius: var(--sw-radius-btn);
  cursor: pointer;
  background: var(--sw-gen-btn);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  box-shadow: var(--sw-shadow-glow);
  transition: transform 0.22s ease, box-shadow 0.22s ease, background 0.22s ease;
  position: relative;
  overflow: hidden;
}
.sw-btn-gen::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent 0%, rgba(255,255,255,0.12) 50%, transparent 100%);
  background-size: 200% 100%;
  animation: sw-shimmer-btn 2.5s infinite linear;
}
@keyframes sw-shimmer-btn {
  0%   { background-position: 200% center; }
  100% { background-position: -200% center; }
}
.sw-btn-gen:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(155,89,182,0.45);
}
.sw-btn-gen:active:not(:disabled) {
  transform: translateY(0);
}
.sw-btn-gen:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}
.sw-btn-gen:disabled::before { display: none; }

.sw-btn-gen-price {
  background: rgba(0,0,0,0.2);
  padding: 3px 9px;
  border-radius: 6px;
  font-size: 12px;
}

.sw-btn-spinner {
  width: 18px; height: 18px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: sw-spin 0.8s linear infinite;
  flex-shrink: 0;
}
@keyframes sw-spin { to { transform: rotate(360deg); } }

/* ── 15. Workspace（右侧） ────────────────────── */
.sw-workspace {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: rgba(0,0,0,0.25);
}

.sw-workspace-header {
  padding: 14px 20px;
  border-bottom: 1px solid var(--sw-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
}
.sw-workspace-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--sw-text-1);
  display: flex;
  align-items: center;
  gap: 7px;
}

.sw-status {
  padding: 4px 11px;
  border-radius: 12px;
  font-size: 11px;
  font-weight: 600;
}
.sw-status.idle    { background: rgba(255,255,255,0.08); color: var(--sw-text-3); }
.sw-status.running { background: rgba(255,107,157,0.18); color: #FF6B9D; animation: sw-pulse 1.5s ease-in-out infinite; }
.sw-status.success { background: rgba(34,197,94,0.18);  color: var(--sw-success); }
.sw-status.error   { background: rgba(239,68,68,0.18);   color: var(--sw-error); }
@keyframes sw-pulse { 0%,100% { opacity:1; } 50% { opacity:0.55; } }

.sw-workspace-body {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
}

/* ── 16. 空状态 ──────────────────────────────── */
.sw-empty {
  height: 100%;
  min-height: 300px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--sw-text-3);
  gap: 12px;
}
.sw-empty-icon {
  width: 72px; height: 72px;
  background: rgba(123,47,190,0.15);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0.8;
}
.sw-empty h4 {
  margin: 0;
  font-size: 18px;
  color: var(--sw-text-2);
  font-weight: 700;
}
.sw-empty p {
  margin: 0;
  font-size: 14px;
  max-width: 300px;
  line-height: 1.7;
  color: var(--sw-text-3);
}

/* ── 17. 进度条 ──────────────────────────────── */
.sw-progress-wrap {
  display: none;
  padding: 28px 24px;
  max-width: 560px;
  margin: 0 auto;
}
.sw-progress-wrap.visible { display: block; }

.sw-progress-steps {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 20px;
}
.sw-progress-step {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: var(--sw-text-3);
  transition: color 0.3s ease;
}
.sw-progress-step.done  { color: var(--sw-success); }
.sw-progress-step.active { color: var(--sw-text-1); }
.sw-progress-step-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--sw-text-4);
  flex-shrink: 0;
  transition: background 0.3s ease, transform 0.3s ease;
}
.sw-progress-step.done  .sw-progress-step-dot { background: var(--sw-success); }
.sw-progress-step.active .sw-progress-step-dot {
  background: #FF6B9D;
  animation: sw-dot-pulse 1s ease-in-out infinite;
}
@keyframes sw-dot-pulse {
  0%,100% { transform: scale(1);   opacity: 1; }
  50%      { transform: scale(1.6); opacity: 0.7; }
}

.sw-progress-bar-wrap {
  background: rgba(255,255,255,0.08);
  border-radius: 8px;
  height: 6px;
  overflow: hidden;
  margin-bottom: 8px;
  position: relative;
}
.sw-progress-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, #7B2FBE, #FF6B9D);
  border-radius: 8px;
  transition: width 3s ease;
  width: 0%;
  position: relative;
}
.sw-progress-bar-fill::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent 0%, rgba(255,255,255,0.25) 50%, transparent 100%);
  background-size: 200% 100%;
  animation: sw-shimmer-progress 2s infinite linear;
}
@keyframes sw-shimmer-progress {
  0%   { background-position: 200% center; }
  100% { background-position: -200% center; }
}
.sw-progress-label {
  font-size: 13px;
  color: var(--sw-text-2);
  text-align: center;
  margin-bottom: 6px;
}
.sw-progress-hint {
  font-size: 12px;
  color: var(--sw-text-4);
  text-align: center;
}

/* ── 18. 双卡片结果 ──────────────────────────── */
.sw-songs-header {
  margin-bottom: 16px;
}
.sw-songs-header h4 {
  margin: 0 0 4px;
  font-size: 15px;
  color: var(--sw-text-1);
  font-weight: 700;
}
.sw-songs-header p {
  margin: 0;
  font-size: 13px;
  color: var(--sw-text-3);
}

.sw-songs-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 24px;
}

.sw-song-card {
  background: var(--sw-bg-card);
  border: 1px solid var(--sw-border);
  border-radius: var(--sw-radius-card);
  overflow: hidden;
  transition: border-color 0.22s ease, box-shadow 0.22s ease, transform 0.22s ease;
  backdrop-filter: blur(var(--sw-blur));
  -webkit-backdrop-filter: blur(var(--sw-blur));
  box-shadow: var(--sw-shadow-card);
  /* fade-in 初始状态 */
  opacity: 0;
  transform: translateY(12px);
}
.sw-song-card.animated {
  transition: opacity 0.4s ease-out, transform 0.4s ease-out, border-color 0.22s ease, box-shadow 0.22s ease;
  opacity: 1;
  transform: translateY(0);
}
.sw-song-card:hover {
  border-color: rgba(155,89,182,0.45);
  box-shadow: 0 8px 32px rgba(123,47,190,0.2);
}

.sw-song-cover-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 1/1;
  overflow: hidden;
  background: linear-gradient(135deg, rgba(123,47,190,0.2), rgba(200,75,155,0.2));
}
.sw-song-cover {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.3s ease;
}
.sw-song-card:hover .sw-song-cover { transform: scale(1.03); }

.sw-song-cover-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.45);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.22s ease;
}
.sw-song-card:hover .sw-song-cover-overlay { opacity: 1; }
.sw-song-cover-play-icon {
  width: 52px; height: 52px;
  background: rgba(255,255,255,0.9);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #1a1a2e;
}

.sw-song-cover-placeholder {
  width: 100%;
  aspect-ratio: 1/1;
  background: linear-gradient(135deg, rgba(123,47,190,0.3), rgba(200,75,155,0.2));
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.3);
}

.sw-song-body {
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.sw-song-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--sw-text-1);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.sw-song-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 11px;
  color: var(--sw-text-4);
}

/* Wave 播放动画（播放时显示） */
.sw-wave-anim {
  display: none;
  align-items: flex-end;
  gap: 2px;
  height: 14px;
}
.sw-wave-anim.playing { display: flex; }
.sw-wave-bar {
  width: 3px;
  border-radius: 2px;
  background: #FF6B9D;
}
.sw-wave-bar:nth-child(1) { animation: sw-wave 0.9s ease-in-out infinite; }
.sw-wave-bar:nth-child(2) { animation: sw-wave 0.9s ease-in-out 0.15s infinite; }
.sw-wave-bar:nth-child(3) { animation: sw-wave 0.9s ease-in-out 0.3s infinite; }
@keyframes sw-wave {
  0%,100% { height: 4px; }
  50%      { height: 14px; }
}

.sw-song-audio {
  width: 100%;
  border-radius: 6px;
  height: 32px;
  accent-color: var(--sw-purple);
}
.sw-song-audio::-webkit-media-controls-panel {
  background: rgba(255,255,255,0.06);
}

.sw-song-actions {
  display: flex;
  gap: 6px;
}
.sw-btn-download {
  flex: 1;
  padding: 8px 10px;
  border: 1px solid rgba(255,107,157,0.35);
  border-radius: 7px;
  background: rgba(255,107,157,0.08);
  color: #FF6B9D;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  text-align: center;
  transition: all 0.18s ease;
  text-decoration: none;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
}
.sw-btn-download:hover {
  background: rgba(255,107,157,0.18);
  border-color: #FF6B9D;
}
.sw-btn-share {
  padding: 8px 10px;
  border: 1px solid var(--sw-border);
  border-radius: 7px;
  background: var(--sw-bg-input);
  color: var(--sw-text-3);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.18s ease;
  display: flex;
  align-items: center;
  gap: 4px;
}
.sw-btn-share:hover {
  border-color: rgba(255,255,255,0.25);
  color: var(--sw-text-2);
}

/* ── 19. 歌词写词模式 ─────────────────────────── */
.sw-lyrics-candidates {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 8px;
}
.sw-lyrics-card {
  border: 2px solid var(--sw-border);
  border-radius: var(--sw-radius-card);
  padding: 14px;
  background: var(--sw-bg-card);
  cursor: pointer;
  transition: all 0.22s ease;
}
.sw-lyrics-card:hover {
  border-color: rgba(123,47,190,0.5);
  background: rgba(123,47,190,0.08);
}
.sw-lyrics-card.selected {
  border-color: var(--sw-purple);
  background: rgba(123,47,190,0.12);
}
.sw-lyrics-card-num {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--sw-purple);
  margin-bottom: 7px;
}
.sw-lyrics-card-text {
  font-size: 13px;
  color: var(--sw-text-2);
  line-height: 1.8;
  white-space: pre-wrap;
  max-height: 160px;
  overflow-y: auto;
}
.sw-lyrics-card-text::-webkit-scrollbar { width: 4px; }
.sw-lyrics-card-text::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.12); border-radius: 2px; }

/* ── 20. 翻唱模式 · 上传区 ────────────────────── */
.sw-upload-zone {
  border: 2px dashed var(--sw-border);
  border-radius: var(--sw-radius-card);
  padding: 28px 20px;
  text-align: center;
  cursor: pointer;
  transition: all 0.22s ease;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}
.sw-upload-zone:hover,
.sw-upload-zone.dragover {
  border-color: rgba(123,47,190,0.6);
  background: rgba(123,47,190,0.06);
}
.sw-upload-zone input { display: none; }
.sw-upload-icon { color: var(--sw-text-3); }
.sw-upload-text {
  font-size: 14px;
  font-weight: 600;
  color: var(--sw-text-2);
}
.sw-upload-hint {
  font-size: 12px;
  color: var(--sw-text-4);
}
.sw-upload-file-info {
  margin-top: 8px;
  font-size: 12px;
  color: var(--sw-success);
  display: none;
  align-items: center;
  gap: 6px;
}
.sw-upload-file-info.visible { display: flex; }

/* ── 21. 历史记录 ────────────────────────────── */
.sw-history-section {
  margin-top: 24px;
}
.sw-history-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--sw-text-3);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 6px;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  font-size: 11px;
}
.sw-history-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.sw-history-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border: 1px solid var(--sw-border);
  border-radius: var(--sw-radius-input);
  background: var(--sw-bg-card);
  transition: all 0.18s ease;
  cursor: pointer;
}
.sw-history-item:hover {
  border-color: rgba(123,47,190,0.35);
  background: rgba(123,47,190,0.06);
}
.sw-history-thumb {
  width: 44px; height: 44px;
  border-radius: 6px;
  object-fit: cover;
  background: linear-gradient(135deg, rgba(123,47,190,0.25), rgba(200,75,155,0.2));
  flex-shrink: 0;
}
.sw-history-info { flex: 1; min-width: 0; }
.sw-history-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--sw-text-1);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.sw-history-meta {
  font-size: 11px;
  color: var(--sw-text-4);
  margin-top: 2px;
  display: flex;
  align-items: center;
  gap: 6px;
}
.sw-history-status {
  width: 7px; height: 7px;
  border-radius: 50%;
  flex-shrink: 0;
}
.sw-history-status.done    { background: var(--sw-success); }
.sw-history-status.pending { background: var(--sw-warning); animation: sw-pulse 1.5s infinite; }
.sw-history-status.failed  { background: var(--sw-error); }

.sw-history-empty {
  text-align: center;
  padding: 24px;
  font-size: 13px;
  color: var(--sw-text-4);
}

/* ── 22. 确认弹窗 ────────────────────────────── */
.sw-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.72);
  z-index: 9900;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
  backdrop-filter: blur(4px);
}
.sw-modal-overlay.open { display: flex; }

.sw-modal-card {
  background: linear-gradient(160deg, rgba(16,16,24,0.98), rgba(8,8,14,0.98));
  border: 1px solid rgba(123,47,190,0.25);
  border-radius: var(--sw-radius-card);
  padding: 28px 24px;
  max-width: 360px;
  width: 100%;
  text-align: center;
  box-shadow: 0 24px 64px rgba(0,0,0,0.6);
  animation: sw-modal-in 0.25s ease-out;
}
@keyframes sw-modal-in {
  from { opacity:0; transform: scale(0.95) translateY(-12px); }
  to   { opacity:1; transform: scale(1) translateY(0); }
}
.sw-modal-icon {
  width: 56px; height: 56px;
  background: linear-gradient(135deg, rgba(123,47,190,0.3), rgba(200,75,155,0.3));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 14px;
  color: #FF6B9D;
}
.sw-modal-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--sw-text-1);
  margin-bottom: 10px;
}
.sw-modal-desc {
  font-size: 14px;
  color: var(--sw-text-2);
  line-height: 1.7;
  margin-bottom: 22px;
}
.sw-modal-price {
  color: var(--sw-accent);
  font-weight: 700;
}
.sw-modal-btns {
  display: flex;
  gap: 10px;
}
.sw-modal-btn {
  flex: 1;
  padding: 12px 16px;
  font-size: 14px;
  font-weight: 600;
  border-radius: var(--sw-radius-btn);
  cursor: pointer;
  transition: all 0.18s ease;
  border: none;
}
.sw-modal-btn.cancel {
  background: rgba(255,255,255,0.08);
  color: var(--sw-text-2);
  border: 1px solid var(--sw-border);
}
.sw-modal-btn.cancel:hover { background: rgba(255,255,255,0.12); }
.sw-modal-btn.ok {
  background: var(--sw-gen-btn);
  color: #fff;
  box-shadow: var(--sw-shadow-glow);
}
.sw-modal-btn.ok:hover { transform: translateY(-1px); box-shadow: 0 8px 24px rgba(155,89,182,0.4); }

/* ── 23. Toast ───────────────────────────────── */
.sw-toast {
  position: fixed;
  top: 66px;
  left: 50%;
  transform: translateX(-50%) translateY(-16px);
  padding: 10px 22px;
  background: rgba(5,5,8,0.92);
  border: 1px solid var(--sw-border);
  border-radius: 8px;
  color: var(--sw-text-1);
  font-size: 13px;
  z-index: 10000;
  opacity: 0;
  transition: all 0.28s ease;
  pointer-events: none;
  white-space: nowrap;
  backdrop-filter: blur(8px);
}
.sw-toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}
.sw-toast.success { border-color: rgba(34,197,94,0.5);  background: rgba(34,197,94,0.18); color: #a7f3d0; }
.sw-toast.error   { border-color: rgba(239,68,68,0.5);   background: rgba(239,68,68,0.18); color: #fca5a5; }
.sw-toast.warning { border-color: rgba(245,158,11,0.5); background: rgba(245,158,11,0.15); color: #fde68a; }

/* ── 24. 写词模式 · 歌词候选 header 按钮 ─────── */
.sw-lyrics-actions {
  display: flex;
  gap: 8px;
  margin-top: 12px;
}
.sw-btn-secondary {
  flex: 1;
  padding: 10px 14px;
  border: 1px solid var(--sw-border);
  border-radius: var(--sw-radius-btn);
  background: var(--sw-bg-input);
  color: var(--sw-text-2);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  text-align: center;
  transition: all 0.18s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}
.sw-btn-secondary:hover {
  border-color: rgba(123,47,190,0.5);
  background: rgba(123,47,190,0.08);
  color: var(--sw-text-1);
}
.sw-btn-secondary.primary-outline {
  border-color: rgba(204,255,0,0.35);
  color: var(--sw-accent);
  background: rgba(204,255,0,0.05);
}
.sw-btn-secondary.primary-outline:hover {
  background: rgba(204,255,0,0.1);
  border-color: var(--sw-accent);
}

/* ── 25. v3-β 占位提示 ───────────────────────── */
.sw-coming-soon {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 36px 20px;
  text-align: center;
  gap: 10px;
  color: var(--sw-text-4);
}
.sw-coming-soon svg { opacity: 0.4; }
.sw-coming-soon h5 {
  margin: 0;
  font-size: 14px;
  color: var(--sw-text-3);
  font-weight: 600;
}
.sw-coming-soon p {
  margin: 0;
  font-size: 12px;
  line-height: 1.6;
}

/* ── 26. 分隔线 ──────────────────────────────── */
.sw-divider {
  height: 1px;
  background: linear-gradient(to right, transparent, var(--sw-border) 30%, var(--sw-border) 70%, transparent);
  margin: 8px 0;
}

/* ── 27. 响应式（手机）────────────────────────── */
@media (max-width: 860px) {
  .sw-layout {
    flex-direction: column;
    height: auto;
    min-height: calc(100vh - 56px);
    overflow: auto;
  }
  .sw-create-panel {
    width: 100%;
    max-width: none;
    border-right: none;
    border-bottom: 1px solid var(--sw-border);
  }
  .sw-workspace {
    min-height: 500px;
  }
  .sw-songs-grid {
    grid-template-columns: 1fr;
  }
  .sw-run-wrap {
    position: sticky;
    bottom: 0;
    z-index: 100;
  }
}

@media (max-width: 480px) {
  .sw-topbar-title .sw-badge { display: none; }
  .sw-panel-inner { padding: 12px; }
}