/* studio.css — 妆造预览。复用 common.css 品牌 token + home 的 topbar/ghost chip（类名对齐 home，为将来抽公共铺路） */

/* === 通栏 Topbar（shell 在 common.css；此处覆盖宽版尺寸 + studio 独有 more-menu）=== */
.topbar-inner { max-width: 1280px; padding: 14px 20px; gap: 20px; }
.topbar-brand { min-width: 0; flex: 0 1 auto; }
.brand-row { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
/* ⋯ 更多菜单：低频项收纳（studio 独有；more-trigger 自带 30px 高，与其他 chip 对齐）*/
.more-menu { position: relative; }
.more-trigger {
  display: inline-flex; align-items: center; justify-content: center;
  box-sizing: border-box; height: 30px;
  padding: 5px 12px; border-radius: 8px; background: transparent; color: var(--text-muted);
  font-size: 12px; line-height: 1; border: 1px solid var(--border); cursor: pointer; white-space: nowrap;
  transition: border-color 0.2s, color 0.2s;
}
.more-trigger:hover, .more-menu.open .more-trigger { border-color: var(--accent); color: var(--accent); }
.more-dropdown {
  display: none; position: absolute; top: calc(100% + 6px); right: 0; min-width: 160px;
  background: var(--bg-card); border: 1px solid var(--border); border-radius: 10px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.25); padding: 6px; z-index: 100;
}
.more-menu.open .more-dropdown { display: block; }
.more-dropdown a {
  display: block; padding: 8px 12px; border-radius: 6px; color: var(--text-muted);
  font-size: 12px; text-decoration: none; transition: background 0.15s, color 0.15s;
}
.more-dropdown a:hover { background: var(--bg-nested); color: var(--accent); }

/* === 步骤进度条（签名：studio 是真实 3 步流程，编号承载信息而非装饰）=== */
.step-track { display: flex; align-items: center; gap: 8px; }
.step-seg {
  display: inline-flex; align-items: center; gap: 6px; padding: 4px 12px;
  border-radius: 999px; font-size: 12px; border: 1px solid var(--border);
  color: var(--text-faint); transition: all 0.25s;
}
.step-seg .step-no {
  width: 16px; height: 16px; border-radius: 50%; background: var(--bg-nested); color: var(--text-faint);
  display: inline-flex; align-items: center; justify-content: center; font-size: 10px; font-weight: 700;
}
.step-connector { flex: 0 0 20px; height: 1px; background: var(--border); }
.step-seg.done { border-color: var(--accent); color: var(--accent); background: color-mix(in srgb, var(--accent) 16%, transparent); }
.step-seg.done .step-no { background: var(--accent); color: #fff; }
.step-seg.active { border-color: var(--accent); color: var(--accent); background: color-mix(in srgb, var(--accent) 10%, transparent); }
.step-seg.active .step-no { background: var(--accent); color: #fff; }

/* === Container / 双栏 === */
.container { max-width: 1100px; margin: 0 auto; padding: 24px 20px; }
.studio-container { max-width: 1280px; display: flex; gap: 16px; align-items: flex-start; }
.studio-left { width: 360px; flex-shrink: 0; position: sticky; top: 20px; display: flex; flex-direction: column; gap: 16px; }
.studio-right { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 16px; }
.studio-left .studio-step, .studio-right .studio-step { margin-bottom: 0; }

/* Steps */
.studio-step { background: var(--bg-card); border-radius: 12px; padding: 20px; margin-bottom: 16px; }

/* Upload */
.upload-area { border-radius: 10px; padding: 30px 20px; color: var(--text-muted); font-size: 14px; }
.upload-area:hover, .upload-area.dragover { border-color: var(--accent); background: var(--dragover-bg); }
.upload-area .preview-wrap { display: inline-block; position: relative; }
.upload-area .preview-wrap img { max-height: 200px; max-width: 300px; border-radius: 8px; object-fit: contain; }
.upload-area .preview-wrap .clear-btn { position: absolute; top: -6px; right: -6px; width: 24px; height: 24px; border-radius: 50%; background: var(--danger); color: #fff; border: none; font-size: 14px; cursor: pointer; display: flex; align-items: center; justify-content: center; }

/* Group tabs */
.group-tab:hover { color: var(--text-secondary); }
.group-tab.active { border-color: var(--accent); color: var(--accent); }
.group-tab .count { font-size: 11px; color: var(--text-faint); margin-left: 4px; }
.shared-tab { border: 1px dashed #f0ad4e; color: #f0ad4e; }
.shared-tab:hover { color: #ec971f; }
.shared-tab.active { border-style: solid; background: rgba(240,173,78,0.15); color: #ec971f; }
.tab-page-btn { width: 28px; height: 28px; border-radius: 6px; border: 1px solid var(--border); background: transparent; color: var(--text-muted); font-size: 12px; cursor: pointer; display: inline-flex; align-items: center; justify-content: center; transition: all 0.2s; flex-shrink: 0; }
.tab-page-btn:hover:not(:disabled) { border-color: var(--accent); color: var(--accent); }
.tab-page-btn:disabled { opacity: 0.3; cursor: not-allowed; }
.tab-page-info { font-size: 11px; color: var(--text-faint); margin-left: 4px; }

/* Tag filter */
.tag-filter-bar { display: flex; gap: 6px; margin-bottom: 10px; flex-wrap: wrap; align-items: center; }
.tag-filter-bar::before { content: '标签筛选'; font-size: 12px; color: var(--text-dim); margin-right: 4px; flex-shrink: 0; }
.tag-filter-btn { padding: 2px 10px; border-radius: 10px; background: transparent; color: var(--text-muted); font-size: 12px; cursor: pointer; border: 1px solid var(--border); transition: all 0.2s; }
.tag-filter-btn:hover { border-color: var(--accent); color: var(--accent); }
.tag-filter-btn.active { border-color: var(--accent); color: #fff; background: var(--accent); }
.tag-breadcrumb { display: flex; align-items: center; gap: 2px; margin-right: 8px; }
.tag-crumb { font-size: 12px; color: var(--accent); cursor: pointer; padding: 2px 6px; border-radius: 4px; transition: background 0.2s; }
.tag-crumb:hover { background: color-mix(in srgb, var(--accent) 15%, transparent); }
.tag-sep { font-size: 11px; color: var(--text-faint); }

/* Photo grid */
.photo-select-grid { display: flex; flex-wrap: wrap; gap: 10px; min-height: 60px; }
.photo-item { width: 110px; height: 110px; border-radius: 8px; overflow: hidden; position: relative; cursor: pointer; border: 3px solid transparent; transition: border-color 0.2s; }
.photo-item img { width: 100%; height: 100%; object-fit: cover; }
.photo-item.selected { border-color: var(--accent); }
.photo-item .check { position: absolute; top: 4px; right: 4px; width: 22px; height: 22px; border-radius: 50%; background: var(--accent); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 13px; opacity: 0; transition: opacity 0.2s; }
.photo-item.selected .check { opacity: 1; }
.photo-item.disabled { cursor: not-allowed; }
.photo-item.disabled img { filter: grayscale(1); opacity: 0.35; }
.empty-photos { color: var(--text-faint); font-size: 13px; padding: 20px 0; }

/* Selection bar */
.selection-bar { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.selection-bar .count { font-size: 13px; color: var(--text-secondary); }
.btn-sm { padding: 5px 12px; border-radius: 6px; font-size: 12px; cursor: pointer; border: 1px solid var(--border); background: transparent; color: var(--text-muted); transition: all 0.2s; }
.btn-sm:hover { border-color: var(--accent); color: var(--accent); }

/* Generate */
.generate-bar { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.advanced-params { width: 100%; padding: 8px 0; }
.advanced-params label { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--text-muted); }
.advanced-params input[type=range] { width: 200px; }
.btn-generate { cursor: pointer; }
.cost-hint { font-size: 13px; color: var(--text-muted); }
.theme-toggle { background: none; border: none; cursor: pointer; padding: 4px; color: var(--text-dim); transition: color 0.2s; display: flex; align-items: center; flex: none; width: auto; }
.theme-toggle:hover { color: var(--accent); }

/* Results */
.results-section { margin-top: 8px; }
.results-section h2 { font-size: 16px; font-weight: 600; margin-bottom: 12px; }
.results-grid { display: flex; flex-direction: column; gap: 12px; }
.result-row { background: var(--bg-card); border-radius: 12px; padding: 16px; display: flex; gap: 16px; align-items: flex-start; }
.result-source { flex-shrink: 0; }
.result-source img { width: 80px; height: 80px; object-fit: cover; border-radius: 8px; }
.result-target { flex: 1; display: flex; flex-wrap: wrap; gap: 8px; min-height: 80px; align-items: center; }
.result-spinner { color: var(--text-muted); font-size: 13px; display: flex; align-items: center; gap: 8px; }
.result-spinner::before { content: ''; width: 16px; height: 16px; border: 2px solid var(--border); border-top-color: var(--accent); border-radius: 50%; animation: spin 0.8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.result-row.done .result-spinner { display: none; }
.result-row.failed .result-spinner { color: var(--danger); }
.result-row.failed .result-spinner::before { display: none; }

/* Progress bar */
.progress-wrap { margin-top: 12px; }

/* 个人记录区按钮（去 inline，与 home 一致的 ghost/danger 语言）*/
.history-footer { text-align: center; padding-top: 12px; }
.btn-loadmore { padding: 6px 20px; background: var(--bg-nested); border: 1px solid var(--border); border-radius: 8px; color: var(--text-muted); font-size: 13px; cursor: pointer; margin-right: 8px; transition: all 0.2s; }
.btn-loadmore:hover { border-color: var(--accent); color: var(--accent); }
.btn-clear-history { padding: 6px 16px; background: transparent; color: var(--danger); border: 1px solid var(--danger); border-radius: 8px; font-size: 13px; cursor: pointer; transition: all 0.2s; }
.btn-clear-history:hover { background: var(--danger); color: #fff; }

/* Mobile */
@media (max-width: 768px) {
  .topbar-inner { padding: 12px 16px; gap: 12px; flex-wrap: wrap; row-gap: 12px; }
  .topbar-brand .hero-title { font-size: 15px; }
  .step-track { gap: 4px; }
  .step-seg { padding: 3px 8px; font-size: 11px; }
  .step-seg .step-name { display: none; }
  .step-connector { flex-basis: 12px; }
  .more-trigger { padding: 4px 10px; }
  .container { padding: 16px; }
  .studio-container { flex-direction: column; max-width: 1100px; }
  .studio-left { width: auto; position: static; }
  .studio-step { padding: 14px; margin-bottom: 16px; }
  .studio-left .studio-step, .studio-right .studio-step { margin-bottom: 16px; }
  .photo-item { width: 90px; height: 90px; }
  .result-row { flex-direction: column; }
  .result-source img { width: 60px; height: 60px; }
}
@media (max-width: 480px) {
  .ph-right #usernameDisplay { display: none; }
}

/* Guide (蒙版高亮) */
.guide-overlay { display: none; position: fixed; inset: 0; z-index: 9000; }
.guide-overlay.active { display: block; }
.guide-mask { position: absolute; inset: 0; background: rgba(0,0,0,0.6); }
.guide-highlight { position: relative; z-index: 9001 !important; }
.guide-highlight::after { content: ''; position: absolute; inset: -4px; border-radius: 12px; border: 2px solid var(--accent); box-shadow: 0 0 12px color-mix(in srgb, var(--accent) 40%, transparent); pointer-events: none; }
.guide-tooltip { position: fixed; z-index: 9002; background: var(--bg-card); border-radius: 14px; padding: 20px; max-width: 300px; box-shadow: 0 8px 32px rgba(0,0,0,0.3); animation: guideFadeIn 0.3s ease; }
@keyframes guideFadeIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }
.guide-tooltip-title { font-size: 15px; font-weight: 600; color: var(--text-primary); margin-bottom: 6px; }
.guide-tooltip-text { font-size: 13px; color: var(--text-muted); line-height: 1.5; margin-bottom: 16px; }
.guide-tooltip-actions { display: flex; gap: 8px; justify-content: flex-end; }
.guide-tooltip-actions button { flex: none; padding: 8px 18px; border-radius: 8px; font-size: 13px; cursor: pointer; border: none; }
.guide-btn-skip { background: var(--btn-cancel-bg); color: var(--btn-cancel-text); }
.guide-btn-next { background: linear-gradient(135deg, #667eea, #764ba2); color: #fff; }
.guide-step-dots { display: flex; gap: 6px; justify-content: center; margin-bottom: 12px; }
.guide-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--border); }
.guide-dot.active { background: var(--accent); width: 18px; border-radius: 3px; }
.guide-link-row { display: flex; gap: 8px; margin-bottom: 14px; }
.guide-link-row a { flex: 1; text-align: center; padding: 10px; background: var(--bg-nested); border-radius: 8px; color: var(--accent); text-decoration: none; font-size: 13px; font-weight: 500; transition: all 0.2s; }
.guide-link-row a:hover { background: var(--accent); color: #fff; }