/* ============== 鍩虹 ============== */
:root {
  --bg: #f5f3ef;
  --bg-card: #ffffff;
  --bg-hover: #faf8f3;
  --bg-soft: #f0ece4;
  --border: #e8e3d8;
  --border-soft: #f0ece4;
  --text: #1a1a1a;
  --text-dim: #8a8a8a;
  --text-light: #b5b0a5;
  --primary: #5b3dff;
  --primary-2: #4a30e0;
  --primary-soft: #ede9fe;
  --danger: #ff5470;
  --success: #38d39f;
  --warning: #f5a623;
  --orange-bg: #fff3e0;
  --green-bg: #e8f5e9;
  --radius: 10px;
  --radius-sm: 6px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 14px;
  line-height: 1.5;
  height: 100vh;
  overflow: hidden;
}

button {
  font-family: inherit;
  font-size: 14px;
  cursor: pointer;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text);
  border-radius: var(--radius-sm);
  transition: all 0.15s;
}
button:hover:not(:disabled) { background: var(--bg-hover); }
button:disabled { opacity: 0.5; cursor: not-allowed; }

textarea, input, select {
  font-family: inherit;
  font-size: 14px;
  background: var(--bg-card);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 6px 10px;
  outline: none;
}
textarea:focus, input:focus, select:focus { border-color: var(--primary); }

/* ============== 椤舵爮 ============== */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 20px;
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  height: 52px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 18px;
  font-weight: 700;
}
.brand-icon {
  color: var(--primary);
  font-size: 20px;
}
.brand-sub {
  font-size: 12px;
  color: var(--text-dim);
  font-weight: 400;
  margin-left: 4px;
}
.topbar-right { display: flex; gap: 8px; }
.topbar-btn {
  background: transparent;
  border: 1px solid var(--border);
  padding: 6px 14px;
  font-size: 13px;
}

/* ============== 涓夋爮甯冨眬 ============== */
.layout {
  display: grid;
  grid-template-columns: 220px 1fr 280px;
  gap: 0;
  height: calc(100vh - 52px - 24px);
}

/* ============== 宸︿晶鏍?============== */
.sidebar {
  background: var(--bg-card);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.type-tabs {
  display: flex;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.type-tab {
  flex: 1;
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  border-radius: 0;
  padding: 12px 0;
  font-size: 13px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  color: var(--text-dim);
}
.type-tab.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
  background: var(--bg-hover);
}
.type-icon { font-size: 18px; }

.filter-row {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 10px;
  flex-shrink: 0;
}
.filter-btn {
  background: transparent;
  border: 1px solid var(--border);
  padding: 4px 10px;
  font-size: 12px;
  border-radius: 4px;
}
.filter-btn.active {
  background: var(--primary-soft);
  border-color: var(--primary);
  color: var(--primary);
}
.filter-icon {
  background: transparent;
  border: 1px solid var(--border);
  width: 26px;
  height: 26px;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  font-size: 12px;
  color: var(--text-dim);
}
/* 厂商分组筛选按钮 */
.filter-provider {
  background: transparent;
  border: 1px solid var(--border);
  width: 28px;
  height: 28px;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  cursor: pointer;
  transition: all .15s;
  overflow: hidden;
}
.filter-provider:hover { border-color: var(--primary); transform: scale(1.08); }
.filter-provider.active {
  border-color: var(--primary);
  background: var(--primary-soft);
  box-shadow: 0 0 0 2px var(--primary-soft);
}
.filter-provider-img {
  width: 18px;
  height: 18px;
  object-fit: contain;
  border-radius: 3px;
}
.filter-provider svg {
  width: 18px;
  height: 18px;
}

.model-list {
  flex: 1;
  overflow-y: auto;
  padding: 4px 8px 8px;
}
.model-list::-webkit-scrollbar { width: 6px; }
.model-list::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }

.model-item {
  display: flex;
  gap: 10px;
  padding: 10px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  margin-bottom: 6px;
  border: 1px solid transparent;
  transition: all 0.15s;
}
.model-item:hover { background: var(--bg-hover); }
.model-item.active {
  background: var(--bg-soft);
  border-color: var(--primary);
}
.model-icon {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #fff;
  flex-shrink: 0;
  font-size: 16px;
  color: var(--primary);
  overflow: hidden;
  border: 1px solid var(--border);
}
.model-icon .model-icon-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.model-info { flex: 1; min-width: 0; }
.model-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.model-desc {
  font-size: 11px;
  color: var(--text-dim);
  margin: 2px 0 6px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.model-meta {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
}
.badge {
  font-size: 10px;
  padding: 1px 6px;
  border-radius: 4px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  line-height: 16px;
}
.badge-success { background: var(--green-bg); color: var(--success); }
.badge-warn { background: #fff8e1; color: var(--warning); }
.badge-error { background: #ffebee; color: var(--danger); }
.badge-price { background: var(--orange-bg); color: #e67e00; }

.sidebar-footer {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px;
  border-top: 1px solid var(--border);
  flex-shrink: 0;
}
.balance { font-size: 12px; flex: 1; }
.balance span { font-weight: 600; color: var(--text); }
.footer-btn {
  background: transparent;
  border: 1px solid var(--border);
  padding: 4px 8px;
  font-size: 11px;
  border-radius: 4px;
}

/* ============== 涓ぎ鐢诲竷 ============== */
.canvas-wrap {
  background: var(--bg);
  display: flex;
  align-items: stretch;
  justify-content: stretch;
  padding: 20px;
  overflow: hidden;
}
.canvas {
  flex: 1;
  background: var(--bg-card);
  border-radius: 12px;
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: auto;
  background-image: linear-gradient(45deg, #faf8f3 25%, transparent 25%),
                    linear-gradient(-45deg, #faf8f3 25%, transparent 25%),
                    linear-gradient(45deg, transparent 75%, #faf8f3 75%),
                    linear-gradient(-45deg, transparent 75%, #faf8f3 75%);
  background-size: 20px 20px;
  background-position: 0 0, 0 10px, 10px -10px, -10px 0px;
}
.canvas-empty { text-align: center; padding: 20px; }
.canvas-title {
  font-size: 32px;
  font-weight: 700;
  color: var(--text);
  margin: 0 0 8px;
  letter-spacing: 1px;
}
.canvas-sub {
  font-size: 14px;
  color: var(--text-dim);
  margin: 0 0 32px;
}
.suggestion-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  max-width: 600px;
  margin: 0 auto;
}
.chip {
  background: var(--bg-card);
  border: 1px solid var(--primary-soft);
  padding: 8px 14px;
  font-size: 12px;
  border-radius: 20px;
  color: var(--primary);
  cursor: pointer;
  transition: all 0.15s;
}
.chip:hover { background: var(--primary-soft); }

.canvas-result { width: 100%; height: 100%; padding: 20px; display: flex; align-items: center; justify-content: center; }
.canvas-result img,
.canvas-result video {
  max-width: 100%;
  max-height: 100%;
  border-radius: var(--radius);
  background: #000;
  display: block;
}
.canvas-result audio { width: 80%; max-width: 500px; }

.canvas-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  color: var(--text-dim);
}
.spinner {
  width: 36px;
  height: 36px;
  border: 3px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ============== 鍙充晶鍙傛暟闈㈡澘 ============== */
.params-panel {
  background: var(--bg-card);
  border-left: 1px solid var(--border);
  overflow-y: auto;
  padding: 16px 12px;
}
.params-content { display: flex; flex-direction: column; gap: 18px; }
.params-content::-webkit-scrollbar { width: 6px; }
.params-content::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }

.param-group { display: flex; flex-direction: column; gap: 8px; }
.param-group-label {
  font-size: 12px;
  color: var(--text-dim);
  font-weight: 600;
}
.param-options {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.param-pill {
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 5px 10px;
  font-size: 12px;
  border-radius: 16px;
  color: var(--text);
  cursor: pointer;
  transition: all 0.15s;
}
.param-pill:hover { background: var(--bg-hover); }
.param-pill.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

.param-row {
  display: flex;
  gap: 6px;
  align-items: center;
}
.param-row select,
.param-row input[type="text"],
.param-row input[type="number"] {
  flex: 1;
  font-size: 12px;
  padding: 5px 8px;
}

/* 鍙傝€冨浘涓婁紶鍖?*/
.ref-images {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.ref-add, .ref-card {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-sm);
  border: 1px dashed var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 24px;
  color: var(--text-dim);
  background: var(--bg-card);
  position: relative;
  overflow: hidden;
}
.ref-card img, .ref-card video { width: 100%; height: 100%; object-fit: cover; }
.ref-card .ref-remove {
  position: absolute;
  top: 2px;
  right: 2px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: rgba(0,0,0,0.7);
  color: #fff;
  font-size: 12px;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  padding: 0;
  cursor: pointer;
}
.ref-card .ref-url-input {
  position: absolute;
  bottom: 2px;
  left: 2px;
  right: 2px;
  font-size: 9px;
  padding: 1px 3px;
  border: none;
  border-radius: 2px;
  background: rgba(255,255,255,0.9);
}
.ref-hint {
  font-size: 10px;
  color: var(--text-dim);
  margin-top: 4px;
}
.ref-limit {
  font-size: 10px;
  color: var(--text-light);
  margin-top: 2px;
}

/* ============== 搴曢儴杈撳叆鏍?(鍗虫ⅵ椋庢牸澶у渾瑙掑崱鐗? ============== */
.bottom-bar {
  position: fixed;
  bottom: 16px;
  left: 50%;
  transform: translateX(-50%);
  width: calc(100% - 32px);
  max-width: 900px;
  z-index: 50;
  pointer-events: none;
}
.prompt-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 24px;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.08), 0 1px 3px rgba(0, 0, 0, 0.05);
  padding: 8px 12px 10px;
  pointer-events: auto;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.prompt-card:focus-within {
  border-color: var(--primary);
  box-shadow: 0 4px 24px rgba(91, 61, 255, 0.12), 0 0 0 3px rgba(91, 61, 255, 0.08);
}

/* 闄勪欢缂╃暐鍥?*/
.prompt-attachments {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  padding: 6px 4px 8px;
  border-bottom: 1px solid var(--border-soft);
  margin-bottom: 4px;
}
.attach-thumb {
  position: relative;
  width: 56px;
  height: 56px;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--border);
}
.attach-thumb img,
.attach-thumb video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.attach-thumb .attach-remove {
  position: absolute;
  top: 2px;
  right: 2px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.65);
  color: #fff;
  font-size: 13px;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  padding: 0;
  cursor: pointer;
}
.attach-thumb .attach-remove:hover { background: var(--danger); }

/* 输入行:📎 参考内容 按钮 + textarea */
.prompt-input-row {
  display: flex;
  align-items: flex-start;
  gap: 4px;
  padding: 8px 4px 4px;
}
.ref-content-btn {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 6px 10px;
  border-radius: 10px;
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-dim);
  cursor: pointer;
  font-size: 12px;
  font-weight: 500;
  white-space: nowrap;
  transition: all 0.15s;
  flex-shrink: 0;
  margin-top: 4px;
}
.ref-content-btn:hover {
  background: var(--bg-soft);
  color: var(--primary);
  border-color: var(--border-soft);
}
.ref-content-btn svg { flex-shrink: 0; }

/* @ 选择资产按钮(附件按钮旁,紫色高亮) */
.at-btn {
  color: var(--primary);
  border-color: rgba(91, 61, 255, 0.25);
  background: #f0eaff;
}
.at-btn .at-symbol {
  font-size: 16px;
  font-weight: 800;
  line-height: 1;
}
.at-btn:hover {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

#prompt {
  flex: 1;
  resize: none;
  border: none;
  background: transparent;
  font-size: 15px;
  line-height: 1.6;
  padding: 8px 4px;
  min-height: 24px;
  max-height: 160px;
  outline: none;
  color: var(--text);
  font-family: inherit;
}
#prompt::placeholder { color: var(--text-light); }

/* 参数行:可上拉选择的 pill 按钮组 */
.prompt-params-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 4px 8px;
  flex-wrap: wrap;
}
.param-pill {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 6px 12px;
  border-radius: 18px;
  background: var(--bg-soft);
  color: var(--text);
  font-size: 12.5px;
  font-weight: 500;
  cursor: pointer;
  user-select: none;
  transition: all 0.15s;
  white-space: nowrap;
  border: 1px solid transparent;
  flex-shrink: 0;
}
.param-pill:hover {
  background: #e8e8ec;
}
.param-pill.active {
  background: #e0e7ff;
  color: var(--primary);
  border-color: rgba(91, 61, 255, 0.2);
}
.param-pill .caret { font-size: 10px; color: var(--text-dim); }
.param-pill .star { color: var(--primary); font-size: 11px; }
.at-pill {
  background: #f0eaff;
  color: var(--primary);
  font-weight: 700;
  font-size: 14px;
  padding: 6px 14px;
}
.at-pill:hover { background: var(--primary); color: #fff; }
.price-pill {
  margin-left: auto;
  background: transparent;
  color: var(--text-dim);
  cursor: default;
  font-size: 12px;
  padding: 6px 8px;
}
.send-btn {
  flex: 0 0 36px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.15s;
  flex-shrink: 0;
}
.send-btn:hover:not(:disabled) {
  background: var(--primary-2);
  transform: scale(1.05);
}
.send-btn:disabled {
  background: var(--border);
  cursor: not-allowed;
}

/* 上拉选择弹窗 (即梦风格:从 pill 下方弹出,圆角卡片,半透明背景) */
.popover-mask {
  position: fixed;
  inset: 0;
  z-index: 9980;
}
.popover-panel {
  position: fixed;
  z-index: 9990;
  background: #fff;
  border-radius: 14px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.18), 0 0 0 1px rgba(0, 0, 0, 0.04);
  padding: 14px 16px;
  min-width: 320px;
  max-width: 480px;
  animation: popoverIn 0.18s ease-out;
}
@keyframes popoverIn {
  from { opacity: 0; transform: translateY(-6px) scale(0.98); }
  to { opacity: 1; transform: none; }
}
.popover-section {
  margin-bottom: 14px;
}
.popover-section:last-child { margin-bottom: 0; }
.popover-title {
  font-size: 12px;
  color: var(--text-dim);
  margin-bottom: 8px;
  font-weight: 500;
}
.popover-options {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.popover-option {
  padding: 8px 14px;
  border-radius: 8px;
  background: var(--bg-soft);
  color: var(--text);
  font-size: 12.5px;
  cursor: pointer;
  transition: all 0.12s;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  white-space: nowrap;
}
.popover-option:hover {
  background: #e0e7ff;
  color: var(--primary);
}
.popover-option.selected {
  background: var(--primary);
  color: #fff;
}
.popover-option .ratio-icon {
  display: inline-block;
  border: 1.5px solid currentColor;
  border-radius: 2px;
  flex-shrink: 0;
}
.popover-option .star { color: var(--primary); font-size: 11px; }
.popover-option.selected .star { color: #fff; }

/* ============== 鐘舵€佹彁绀?============== */
.status-toast {
  position: fixed;
  bottom: 100px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--text);
  color: #fff;
  padding: 8px 16px;
  border-radius: 20px;
  font-size: 12px;
  z-index: 100;
  box-shadow: var(--shadow-md);
}
.status-toast.error { background: var(--danger); }
.status-toast.success { background: var(--success); }

/* ============== 鍝嶅簲寮?============== */
@media (max-width: 1100px) {
  .layout { grid-template-columns: 200px 1fr 260px; }
}
@media (max-width: 900px) {
  .layout { grid-template-columns: 1fr; }
  .sidebar, .params-panel { display: none; }
}

/* ============== 鍘嗗彶鎶藉眽 ============== */
.drawer-mask {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.3);
  z-index: 90;
  animation: fadeIn 0.2s;
}
.drawer-mask[hidden] { display: none; }
.history-modal {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 90vw;
  max-width: 1400px;
  height: 85vh;
  max-height: 1000px;
  background: #ffffff;
  border-radius: 12px;
  z-index: 100;
  display: flex;
  flex-direction: column;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.25);
  animation: modalIn 0.25s;
  overflow: hidden;
}
.history-modal[hidden] { display: none; }
@keyframes modalIn {
  from { opacity: 0; transform: translate(-50%, -48%) scale(0.97); }
  to { opacity: 1; transform: translate(-50%, -50%) scale(1); }
}

/* ===== 顶部栏 ===== */
.hm-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  height: 52px;
  border-bottom: 1px solid #ececec;
  flex-shrink: 0;
}
.hm-main-tabs { display: flex; gap: 4px; }
.hm-main-tab {
  background: transparent;
  border: none;
  padding: 8px 16px;
  font-size: 15px;
  color: #666;
  cursor: pointer;
  border-radius: 6px;
  transition: all 0.15s;
}
.hm-main-tab:hover { background: #f5f5f5; color: #333; }
.hm-main-tab.active {
  background: #f0f0f0;
  color: #111;
  font-weight: 600;
}
.hm-top-right { display: flex; align-items: center; gap: 8px; }
.hm-search {
  display: flex;
  align-items: center;
  background: #f5f5f5;
  border-radius: 6px;
  padding: 0 10px;
  height: 32px;
  color: #999;
}
.hm-search input {
  background: transparent;
  border: none;
  outline: none;
  font-size: 13px;
  margin-left: 6px;
  width: 160px;
  color: #333;
}
.hm-action {
  background: transparent;
  border: 1px solid #e0e0e0;
  padding: 6px 12px;
  font-size: 13px;
  color: #333;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.15s;
}
.hm-action:hover { background: #f5f5f5; border-color: #ccc; }
.hm-action.danger { color: #e53935; border-color: #f5c2c2; }
.hm-action.danger:hover { background: #fdecec; }

/* ===== 子筛选栏 ===== */
.hm-sub {
  border-bottom: 1px solid #ececec;
  padding: 0 20px;
  flex-shrink: 0;
}
.hm-sub-tabs { display: flex; align-items: center; gap: 4px; height: 44px; }
.hm-sub-tab {
  background: transparent;
  border: none;
  padding: 6px 14px;
  font-size: 14px;
  color: #666;
  cursor: pointer;
  border-radius: 4px;
}
.hm-sub-tab:hover { background: #f5f5f5; }
.hm-sub-tab.active { color: #111; font-weight: 600; }
.hm-sub-divider {
  width: 1px;
  height: 16px;
  background: #e0e0e0;
  margin: 0 12px;
}
.hm-filter { display: flex; gap: 4px; margin-left: auto; }
.hm-filter-btn {
  background: transparent;
  border: 1px solid #e8e8e8;
  padding: 4px 12px;
  font-size: 13px;
  color: #555;
  border-radius: 4px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 4px;
}
.hm-filter-btn:hover { background: #f5f5f5; }
.hm-caret { font-size: 10px; color: #999; }

/* ===== 内容区 ===== */
.hm-body {
  flex: 1;
  overflow-y: auto;
  padding: 20px 28px 32px;
  background: #fafafa;
}
.hm-day-title {
  font-size: 18px;
  font-weight: 600;
  color: #222;
  margin: 8px 0 14px;
}
.hm-day-group { margin-bottom: 28px; }
.hm-day-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
  gap: 6px;
}
.hm-card {
  position: relative;
  width: 100%;
  aspect-ratio: 1;
  border-radius: 6px;
  overflow: hidden;
  cursor: pointer;
  background: #f0f0f0;
  transition: transform 0.15s, box-shadow 0.15s;
  border: 2px solid transparent;
}
.hm-card:hover { transform: scale(1.04); box-shadow: 0 6px 20px rgba(0,0,0,0.15); z-index: 2; }
.hm-card.selected { border-color: #5b3dff; }
.hm-card img, .hm-card video, .hm-card .hm-audio {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.hm-audio {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 36px;
  background: linear-gradient(135deg, #fff3e0, #ffe0b2);
}
.hm-type-badge {
  position: absolute;
  bottom: 4px;
  left: 4px;
  background: rgba(0,0,0,0.55);
  color: #fff;
  font-size: 10px;
  padding: 2px 6px;
  border-radius: 3px;
  font-weight: 500;
}
.hm-asset-star {
  position: absolute;
  top: 4px;
  right: 4px;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: rgba(91, 61, 255, 0.85);
  color: #fff;
  font-size: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  cursor: pointer;
  opacity: 0;
  transition: opacity 0.15s;
}
.hm-card:hover .hm-asset-star { opacity: 1; }
.hm-asset-star.added { background: #4caf50; opacity: 1; }
.hm-check {
  position: absolute;
  top: 4px;
  left: 4px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: rgba(255,255,255,0.95);
  border: 2px solid #ddd;
  display: none;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  color: #fff;
}
.hm-modal.batch .hm-check { display: flex; }
.hm-card.selected .hm-check {
  background: #5b3dff;
  border-color: #5b3dff;
  display: flex;
}
.hm-empty {
  text-align: center;
  color: #999;
  padding: 60px 20px;
  font-size: 14px;
}

/* 璧勪骇鍗?鈥?鍦ㄥ巻鍙插崱鍩虹涓婂涓€涓?娣诲姞"鎸夐挳 */
.history-card .add-to-assets {
  position: absolute;
  top: 4px;
  right: 4px;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: rgba(91, 61, 255, 0.85);
  color: #fff;
  font-size: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  padding: 0;
  cursor: pointer;
  opacity: 0;
  transition: opacity 0.15s;
  z-index: 2;
}
.history-card:hover .add-to-assets { opacity: 1; }
.history-card .add-to-assets:hover { background: var(--primary); }
.history-card .add-to-assets.added { background: var(--success); opacity: 1; cursor: default; }
.history-card .add-to-assets.added::after { content: '鉁?; }
.history-card {
  position: relative;
  width: 120px;
  height: 120px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  cursor: pointer;
  border: 1px solid var(--border);
  background: var(--bg-soft);
  transition: all 0.15s;
}
.history-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary);
}
.history-card img,
.history-card video,
.history-card .history-audio {
  width: 100%;
  height: 100%;
  min-width: 0;
  min-height: 0;
  max-width: 100%;
  max-height: 100%;
  object-fit: cover;
  display: block;
}
.history-card .history-audio {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  background: linear-gradient(135deg, #fff3e0, #ffe0b2);
}
.history-card .history-type {
  position: absolute;
  top: 4px;
  left: 4px;
  background: rgba(0, 0, 0, 0.65);
  color: #fff;
  font-size: 10px;
  padding: 2px 6px;
  border-radius: 4px;
}
.history-card .history-delete {
  position: absolute;
  top: 4px;
  right: 4px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.65);
  color: #fff;
  font-size: 14px;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  padding: 0;
  cursor: pointer;
  opacity: 0;
  transition: opacity 0.15s;
}
.history-card:hover .history-delete { opacity: 1; }
.history-card .history-delete:hover { background: var(--danger); }
.history-card .history-prompt {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 4px 6px;
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.7));
  color: #fff;
  font-size: 10px;
  line-height: 1.2;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ============== @ 资产选择器 ============== */
.asset-picker {
  position: fixed;
  z-index: 200;
  width: 480px;
  max-height: 320px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.16);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.asset-picker[hidden] { display: none; }
.asset-picker-header {
  padding: 8px 12px;
  font-size: 11px;
  color: var(--text-dim);
  background: var(--bg-soft);
  border-bottom: 1px solid var(--border);
}
.asset-picker-grid {
  flex: 1;
  overflow-y: auto;
  padding: 10px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}
.asset-picker-item {
  position: relative;
  border-radius: 8px;
  overflow: hidden;
  cursor: pointer;
  border: 2px solid transparent;
  aspect-ratio: 1;
  background: var(--bg-soft);
  transition: all 0.12s;
}
.asset-picker-item.selected {
  border-color: var(--primary);
  transform: scale(1.05);
  box-shadow: 0 0 0 3px var(--primary-soft);
}
.asset-picker-item img,
.asset-picker-item video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.asset-picker-item .ap-audio {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  background: linear-gradient(135deg, #fff3e0, #ffe0b2);
}
.asset-picker-item .ap-id {
  position: absolute;
  bottom: 2px;
  right: 4px;
  background: rgba(0, 0, 0, 0.6);
  color: #fff;
  font-size: 9px;
  padding: 1px 4px;
  border-radius: 3px;
  font-family: monospace;
}
.asset-picker-empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: 30px 20px;
  color: var(--text-dim);
  font-size: 13px;
}

/* ===== API 设置弹窗 ===== */
.api-modal {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 440px;
  max-width: 92vw;
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.25);
  z-index: 200;
  overflow: hidden;
  animation: apiIn 0.2s;
}
.api-modal[hidden] { display: none; }
@keyframes apiIn {
  from { opacity: 0; transform: translate(-50%, -46%); }
  to { opacity: 1; transform: translate(-50%, -50%); }
}
.api-modal-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid #eee;
}
.api-modal-head h3 { margin: 0; font-size: 16px; }
.api-close {
  background: #f5f5f5;
  border: none;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 13px;
  color: #666;
}
.api-close:hover { background: #e8e8e8; }
.api-modal-body { padding: 20px; }
.api-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: #333;
  margin: 12px 0 6px;
}
.api-input-row {
  display: flex;
  align-items: center;
  border: 1px solid #ddd;
  border-radius: 8px;
  overflow: hidden;
}
.api-input-row:focus-within { border-color: #5b3dff; box-shadow: 0 0 0 3px rgba(91, 61, 255, 0.12); }
.api-input {
  flex: 1;
  border: 1px solid #ddd;
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 14px;
  outline: none;
  width: 100%;
  box-sizing: border-box;
  font-family: monospace;
}
.api-input:focus { border-color: #5b3dff; box-shadow: 0 0 0 3px rgba(91, 61, 255, 0.12); }
.api-input-row .api-input { border: none; box-shadow: none; }
.api-input-row .api-input:focus { box-shadow: none; }
.api-toggle {
  background: transparent;
  border: none;
  padding: 0 12px;
  font-size: 16px;
  cursor: pointer;
  color: #888;
}
.api-toggle:hover { color: #333; }
.api-hint {
  font-size: 12px;
  color: #999;
  margin: 6px 0 0;
}
.api-actions {
  display: flex;
  gap: 10px;
  margin-top: 22px;
}
.api-save {
  flex: 1;
  background: #5b3dff;
  color: #fff;
  border: none;
  padding: 10px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
}
.api-save:hover { background: #4a2fe0; }
.api-clear {
  background: transparent;
  border: 1px solid #ddd;
  color: #666;
  padding: 10px 18px;
  border-radius: 8px;
  font-size: 14px;
  cursor: pointer;
}
.api-clear:hover { background: #f5f5f5; }
.api-status {
  margin-top: 12px;
  font-size: 12px;
  text-align: center;
  min-height: 18px;
}
.api-status.ok { color: #4caf50; }
.api-status.err { color: #e53935; }.api-status.ok { color: #4caf50; }
.api-status.err { color: #e53935; }

/* ============================================================
   深色流体玻璃主题（覆盖层）
   配合 fluid-background.js 的 WebGL2 流体背景
   参考 vibex.runninghub.cn 辉光版：深色半透明玻璃 + 彩色流体
   ============================================================ */
:root {
  --bg: rgba(8, 10, 20, 0.42);
  --bg-card: rgba(12, 16, 30, 0.30);
  --bg-hover: rgba(52, 60, 92, 0.32);
  --bg-soft: rgba(124, 73, 243, 0.18);
  --border: rgba(150, 165, 200, 0.16);
  --border-soft: rgba(150, 165, 200, 0.10);
  --text: #eef1f9;
  --text-dim: #aab3c8;
  --text-light: #7a849c;
  --primary: #8a5cf5;
  --primary-2: #38dafa;
  --primary-soft: rgba(138, 92, 245, 0.20);
  --danger: #ff6b81;
  --success: #3ee6a7;
  --warning: #ffb84d;
  --orange-bg: rgba(255, 166, 35, 0.14);
  --green-bg: rgba(62, 230, 167, 0.16);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 6px 22px rgba(0, 0, 0, 0.35);
}

html, body { background: transparent !important; }

body {
  /* 极淡底色——主要背景由最底层的流体 canvas 提供 */
  background: rgba(8, 10, 20, 0.40) !important;
}

/* 主要卡片 → 极淡玻璃（保证流光透出，仅轻微模糊维持文字可读） */
.topbar,
.sidebar,
.params-panel,
.prompt-card,
.history-modal,
.canvas-result {
  -webkit-backdrop-filter: blur(6px) saturate(130%);
  backdrop-filter: blur(6px) saturate(130%);
}

/* 中央画布：去掉白框/棋盘格，改为透明（流体直接透出） */
.canvas {
  background: transparent !important;
  border-color: transparent;
  background-image: none !important;
  box-shadow: none;
}

/* 输入控件：淡色玻璃 */
textarea, input, select {
  background: rgba(30, 35, 55, 0.5) !important;
  color: var(--text) !important;
  border-color: var(--border) !important;
}
textarea::placeholder, input::placeholder {
  color: #7a849c !important;
}

/* 按钮通用 */
button {
  border-color: var(--border);
}
button:hover:not(:disabled) {
  background: var(--bg-hover);
}

/* 模型图标圆底：淡色 */
.model-icon {
  background: rgba(30, 35, 55, 0.6) !important;
  border-color: var(--border);
}

/* 徽章：深色底 */
.badge-warn { background: rgba(255, 184, 77, 0.18) !important; color: var(--warning); }
.badge-error { background: rgba(255, 107, 129, 0.18) !important; color: var(--danger); }
.badge-price { background: var(--orange-bg) !important; color: #ffb84d; }

/* 参考图 URL 输入：深色底 */
.ref-card .ref-url-input {
  background: rgba(20, 24, 40, 0.92) !important;
  color: #dfe6f5 !important;
}

/* 顶部提示 / 历史弹窗内部面板适配深色 */
.history-header,
.api-modal,
.hm-header {
  background: rgba(24, 28, 44, 0.8);
}

/* 滚动条深色 */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(120, 130, 160, 0.35); border-radius: 4px; }