/* ================================================================
   styles-workspace-v2.css — 工作台 V2 样式（基于 6.25 反馈）
   覆盖 styles-workspace.css，加载在其之后
   ================================================================ */

/* -------- 配色：白底黑字 (P1-8) -------- */
.workspace-v2 {
  --v2-bg: #ffffff;
  --v2-surface: #f8f9fb;
  --v2-text: #1a1a1a;
  --v2-muted: #6b7280;
  --v2-border: #e5e7eb;
  --v2-accent: #e53935;
  --v2-accent-light: #fff2f0;
  background: var(--v2-bg);
  color: var(--v2-text);
}

/* -------- 新布局 (P0-2) -------- */
.workspace-v2-main-layout {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  height: calc(100dvh - 72px);
  min-height: 0;
}

/* 左侧栏 */
.workspace-v2-sidebar {
  display: flex;
  flex-direction: column;
  height: 100%;
  min-height: 0;
  border-right: 1px solid var(--v2-border);
  background: #fafbfc;
  padding: 0;
}

.workspace-v2-sidebar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 18px 20px;
  border-bottom: 1px solid var(--v2-border);
}

.workspace-v2-sidebar-brand img {
  width: 32px;
  height: 32px;
  border-radius: 8px;
}

.workspace-v2-sidebar-brand span {
  font-size: 15px;
  font-weight: 900;
  color: var(--v2-text);
  white-space: nowrap;
}

.workspace-v2-tool-wrap {
  padding: 12px 16px;
}

/* -------- 历史面板 (P0-3) -------- */
.workspace-v2-history {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 0;
  overflow: hidden;
  padding: 0 16px;
}

.workspace-v2-history-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 4px 10px;
}

.workspace-v2-history-header h4 {
  font-size: 12px;
  font-weight: 900;
  color: var(--v2-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin: 0;
}

.workspace-v2-new-chat-btn {
  min-height: 32px;
  padding: 0 14px;
  border: 0;
  border-radius: 999px;
  background: linear-gradient(135deg, #ef4444, #e53935);
  color: #fff;
  font-size: 12px;
  font-weight: 900;
  cursor: pointer;
  white-space: nowrap;
  transition: box-shadow 0.16s;
}
.workspace-v2-new-chat-btn:hover {
  box-shadow: 0 4px 14px rgba(229, 57, 53, 0.35);
}

.workspace-v2-history-list {
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.workspace-v2-claim-wrap {
  padding: 12px 16px;
  border-top: 1px solid var(--v2-border);
}

/* -------- 右侧主区 -------- */
.workspace-v2-main {
  display: flex;
  flex-direction: column;
  height: 100%;
  min-height: 0;
  min-width: 0;
}

/* -------- 聊天区 (P0-2, P0-5) -------- */
.workspace-v2-chat {
  flex: 1;
  overflow-y: auto;
  padding: 20px 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* -------- 打字机效果 (P0-4.3) -------- */
.typewriter-text {
  display: inline-block;
  overflow: hidden;
  white-space: nowrap;
  border-right: 2px solid var(--v2-accent);
  animation: typewriter-blink 0.8s step-end infinite;
}
.typewriter-text.done {
  border-right-color: transparent;
  animation: none;
}
@keyframes typewriter-blink {
  50% { border-color: transparent; }
}

.workspace-v2-greeting {
  text-align: center;
  padding: 40px 20px 20px;
}
.workspace-v2-greeting h2 {
  font-size: 20px;
  font-weight: 900;
  color: var(--v2-text);
  margin: 0 0 8px;
}
.workspace-v2-greeting p {
  font-size: 14px;
  color: var(--v2-muted);
  margin: 0;
}

/* -------- 参考图上传区 (P0-4, P0-6) -------- */
.workspace-v2-ref-strip {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  background: var(--v2-surface);
  border-radius: 12px;
  border: 1px solid var(--v2-border);
  margin-bottom: 8px;
}

.workspace-v2-ref-strip .ref-upload-trigger {
  display: flex;
  align-items: center;
  gap: 6px;
  min-width: 56px;
  min-height: 56px;
  border: 1px dashed #c7cdd5;
  border-radius: 10px;
  background: #fff;
  color: var(--v2-muted);
  font-size: 11px;
  font-weight: 700;
  cursor: pointer;
  justify-content: center;
  transition: border-color 0.16s, color 0.16s;
}
.workspace-v2-ref-strip .ref-upload-trigger:hover {
  border-color: var(--v2-accent);
  color: var(--v2-accent);
}

.workspace-v2-ref-strip .ref-thumbs {
  display: flex;
  gap: 8px;
  flex: 1;
  min-width: 0;
  overflow-x: auto;
}
.workspace-v2-ref-strip .ref-thumbs img {
  width: 56px;
  height: 56px;
  border-radius: 8px;
  object-fit: cover;
  border: 1px solid var(--v2-border);
  position: relative;
}
.workspace-v2-ref-strip .ref-thumb-wrap {
  position: relative;
  flex-shrink: 0;
}
.workspace-v2-ref-strip .ref-thumb-remove {
  position: absolute;
  top: -6px;
  right: -6px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  border: 0;
  background: #333;
  color: #fff;
  font-size: 10px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}

/* -------- 输入区 (P0-2) -------- */
.workspace-v2-composer {
  padding: 16px 24px 20px;
  border-top: 1px solid var(--v2-border);
  background: #fff;
}

.workspace-v2-composer-inner {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.workspace-v2-composer-row {
  display: flex;
  align-items: flex-end;
  gap: 12px;
}

.workspace-v2-composer textarea {
  flex: 1;
  min-height: 46px;
  max-height: 128px;
  border: 1px solid var(--v2-border);
  border-radius: 14px;
  padding: 12px 16px;
  font-size: 14px;
  line-height: 1.5;
  resize: none;
  background: #fff;
  color: var(--v2-text);
  outline: none;
  transition: border-color 0.16s;
}
.workspace-v2-composer textarea:focus {
  border-color: var(--v2-accent);
}

.workspace-v2-composer .send-btn {
  min-width: 46px;
  height: 46px;
  border: 0;
  border-radius: 14px;
  background: linear-gradient(135deg, #ef4444, #e53935);
  color: #fff;
  font-size: 18px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: box-shadow 0.16s;
  flex-shrink: 0;
}
.workspace-v2-composer .send-btn:hover {
  box-shadow: 0 4px 14px rgba(229, 57, 53, 0.35);
}
.workspace-v2-composer .send-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* -------- 消息气泡 (P0-6) -------- */
.workspace-v2 .bubble {
  border-radius: 16px;
  padding: 12px 16px;
  font-size: 14px;
  line-height: 1.6;
}

/* 助手消息左上角切角 */
.workspace-v2 .message:not(.user) .bubble {
  border-top-left-radius: 4px;
  background: #f3f4f6;
  color: var(--v2-text);
}

/* 用户消息保持红色 */
.workspace-v2 .message.user .bubble {
  background: linear-gradient(135deg, #ef4444, #e53935);
  color: #fff;
  border-top-right-radius: 4px;
}

/* -------- 图片预览 (P0-5) -------- */
.workspace-v2 .image-preview {
  max-width: 100%;
  max-height: 320px;
  border-radius: 12px;
  overflow: hidden;
  cursor: pointer;
  position: relative;
}
.workspace-v2 .image-preview img {
  width: 100%;
  max-height: 300px;
  object-fit: contain;
  display: block;
}
.workspace-v2 .image-preview .image-download-btn {
  position: absolute;
  bottom: 8px;
  right: 8px;
  width: 32px;
  height: 32px;
  border-radius: 8px;
  border: 0;
  background: rgba(0,0,0,0.55);
  color: #fff;
  font-size: 14px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.16s;
}
.workspace-v2 .image-preview:hover .image-download-btn {
  opacity: 1;
}

/* 图片网格保持紧凑 */
.workspace-v2 .image-preview-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}
.workspace-v2 .image-preview-grid.multi {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

/* -------- 图片全屏覆盖层 (P0-5, P0-7) -------- */
.image-overlay {
  position: fixed;
  inset: 0;
  z-index: 999;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,0.88);
  flex-direction: column;
}
.image-overlay img {
  max-width: 90vw;
  max-height: 75vh;
  object-fit: contain;
  border-radius: 8px;
}
.image-overlay-actions {
  display: flex;
  gap: 14px;
  margin-top: 20px;
}
.image-overlay-actions .btn {
  min-height: 40px;
  padding: 0 22px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 900;
  cursor: pointer;
  border: 0;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
}
.image-overlay-actions .btn-primary {
  background: var(--v2-accent);
  color: #fff;
}
.image-overlay-actions .btn-ghost {
  background: rgba(255,255,255,0.12);
  color: #fff;
}

/* -------- 图片选项下拉 (P1-9) -------- */
.workspace-v2-image-options {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.image-option-dropdown {
  position: relative;
}
.image-option-dropdown-trigger {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border: 1px solid var(--v2-border);
  border-radius: 999px;
  background: #fff;
  font-size: 12px;
  font-weight: 700;
  color: var(--v2-text);
  cursor: pointer;
  white-space: nowrap;
  transition: border-color 0.16s;
}
.image-option-dropdown-trigger:hover {
  border-color: var(--v2-accent);
}
.image-option-dropdown-trigger .arrow {
  font-size: 8px;
  color: var(--v2-muted);
}

.image-option-dropdown-menu {
  position: absolute;
  bottom: calc(100% + 6px);
  left: 0;
  z-index: 30;
  display: none;
  min-width: 140px;
  padding: 6px;
  border: 1px solid var(--v2-border);
  border-radius: 12px;
  background: #fff;
  box-shadow: 0 12px 32px rgba(0,0,0,0.12);
}
.image-option-dropdown.open .image-option-dropdown-menu {
  display: block;
}
.image-option-dropdown-menu button {
  display: block;
  width: 100%;
  text-align: left;
  padding: 8px 12px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  font-size: 13px;
  font-weight: 600;
  color: var(--v2-text);
  cursor: pointer;
  transition: background 0.12s;
}
.image-option-dropdown-menu button:hover {
  background: var(--v2-accent-light);
  color: var(--v2-accent);
}
.image-option-dropdown-menu button.active {
  background: var(--v2-accent);
  color: #fff;
}

/* -------- 内联素材广场 (P1-10) -------- */
.material-inline {
  padding: 20px 24px;
  border-top: 1px solid var(--v2-border);
  background: var(--v2-surface);
}

.material-inline-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}
.material-inline-head h3 {
  font-size: 15px;
  font-weight: 900;
  margin: 0;
  color: var(--v2-text);
}

.material-reward-text {
  color: var(--v2-accent);
  font-size: 12px;
  font-weight: 800;
  margin: 2px 0 0 0;
}

.material-inline-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}

.material-inline-card {
  display: block;
  border: 0;
  border-radius: 12px;
  overflow: hidden;
  background: #fff;
  cursor: pointer;
  transition: transform 0.16s, box-shadow 0.16s;
  text-align: left;
  padding: 0;
  box-shadow: 0 1px 3px rgba(0,0,0,0.06);
}
.material-inline-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.1);
}

.material-inline-card .card-media {
  aspect-ratio: 1 / 1;
  overflow: hidden;
}
.material-inline-card .card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.material-inline-card .card-body {
  padding: 8px 10px;
}
.material-inline-card .card-body .title {
  font-size: 13px;
  font-weight: 700;
  color: var(--v2-text);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.material-inline-card .card-body .author {
  font-size: 11px;
  color: var(--v2-muted);
  margin-top: 2px;
}

/* -------- 模型下拉图标 (P1-12) -------- */
.model-dropdown-icon-img {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  object-fit: contain;
}

/* -------- 空状态 (复用原有类名) -------- */
.workspace-v2 .workspace-empty-state {
  border: 1px solid var(--v2-border);
  border-radius: 12px;
  background: transparent;
}

/* -------- 素材上传弹窗 (P2-13) -------- */
.material-upload-modal {
  padding: 20px;
}
.material-upload-modal label {
  display: block;
  font-size: 13px;
  font-weight: 700;
  color: var(--v2-text);
  margin-bottom: 4px;
}
.material-upload-modal input,
.material-upload-modal textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--v2-border);
  border-radius: 10px;
  font-size: 14px;
  margin-bottom: 12px;
  background: #fff;
  color: var(--v2-text);
}
.material-upload-modal textarea {
  min-height: 80px;
  resize: vertical;
}

/* -------- 响应式 -------- */
@media (max-width: 900px) {
  .workspace-v2-main-layout {
    display: block;
    height: auto;
    min-height: calc(100dvh - 72px);
    overflow: visible;
  }
  .workspace-v2-sidebar {
    display: block;
    height: auto;
    border-right: 0;
    border-bottom: 1px solid var(--v2-border);
    background: #fff;
  }
  .workspace-v2-sidebar-brand {
    padding: 12px 14px 8px;
    border-bottom: 0;
  }
  .workspace-v2-sidebar-brand img {
    width: 28px;
    height: 28px;
  }
  .workspace-v2-tool-wrap {
    padding: 0 14px 12px;
  }
  .workspace-v2 .workspace-tool-list {
    display: grid;
    grid-auto-flow: column;
    grid-auto-columns: minmax(150px, 46vw);
    grid-template-columns: none;
    gap: 8px;
    margin: 0;
    overflow-x: auto;
    overscroll-behavior-x: contain;
    padding-bottom: 2px;
    scrollbar-width: none;
  }
  .workspace-v2 .workspace-tool-list::-webkit-scrollbar {
    display: none;
  }
  .workspace-v2 .workspace-tool-card {
    min-height: 48px;
    grid-template-columns: 30px minmax(0, 1fr);
    gap: 8px;
    padding: 8px 10px;
    border-radius: 12px;
  }
  .workspace-v2 .tool-card-icon {
    width: 28px;
    height: 28px;
    border-radius: 9px;
    font-size: 8px;
  }
  .workspace-v2 .tool-card-copy strong {
    font-size: 13px;
  }
  .workspace-v2 .tool-card-copy small {
    font-size: 10px;
  }
  .workspace-v2 .tool-card-arrow {
    display: none;
  }
  .workspace-v2-history,
  .workspace-v2-claim-wrap {
    display: none;
  }
  .workspace-v2-main {
    height: auto;
    min-height: 0;
  }
  .workspace-v2-chat {
    min-height: 42vh;
    max-height: none;
    padding: 12px 14px;
  }
  .workspace-v2-composer {
    padding: 10px 14px 14px;
  }
  .material-inline-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}