:root {
  --bg-app: #0b1120;
  --bg-panel: #111827;
  --bg-card: #1e293b;
  --bg-card-hover: #283548;
  --border-subtle: #334155;
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --accent-primary: #38bdf8;
  --accent-emerald: #10b981;
  --accent-amber: #facc15;
  --accent-rose: #f43f5e;
  --accent-purple: #a855f7;
  --shadow-lg: 0 12px 32px -4px rgba(0, 0, 0, 0.5);
}

body.theme-light {
  --bg-app: #f1f5f9;
  --bg-panel: #ffffff;
  --bg-card: #f8fafc;
  --bg-card-hover: #e2e8f0;
  --border-subtle: #cbd5e1;
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #64748b;
  --accent-primary: #0284c7;
  --shadow-lg: 0 10px 25px -5px rgba(15, 23, 42, 0.12);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background-color: var(--bg-app);
  color: var(--text-primary);
  height: 100vh;
  width: 100vw;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  user-select: none;
}

/* 顶部导航栏 */
.topbar {
  height: 58px;
  background-color: var(--bg-panel);
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  gap: 12px;
  z-index: 20;
}

.brand-group {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-logo {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, #38bdf8 0%, #6366f1 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 18px;
  color: #fff;
  box-shadow: 0 4px 12px rgba(56, 189, 248, 0.3);
}

.brand-title {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: -0.01em;
  display: flex;
  align-items: center;
  gap: 8px;
}

.badge-format {
  font-size: 11px;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 999px;
  background: rgba(56, 189, 248, 0.15);
  color: var(--accent-primary);
  border: 1px solid rgba(56, 189, 248, 0.35);
  text-transform: uppercase;
}

.pattern-subtitle {
  font-size: 12px;
  color: var(--text-secondary);
}

/* 顶部进度胶囊 */
.progress-pill-container {
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--bg-card);
  padding: 6px 14px;
  border-radius: 12px;
  border: 1px solid var(--border-subtle);
  min-width: 280px;
}

.progress-bar-wrap {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.progress-bar-labels {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  font-weight: 600;
}

.progress-bar-track {
  height: 7px;
  background: rgba(148, 163, 184, 0.2);
  border-radius: 999px;
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, #10b981 0%, #38bdf8 100%);
  width: 0%;
  transition: width 0.2s ease;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 7px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 6px 11px;
  border-radius: 8px;
  font-size: 12px;
  font-weight: 600;
  border: 1px solid var(--border-subtle);
  background: var(--bg-card);
  color: var(--text-primary);
  cursor: pointer;
  transition: all 0.15s ease;
}

.btn:hover:not(:disabled) {
  background: var(--bg-card-hover);
  border-color: var(--accent-primary);
}

.btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.btn-primary {
  background: linear-gradient(135deg, #0284c7 0%, #4f46e5 100%);
  color: #ffffff;
  border-color: transparent;
}

.btn-pro {
  background: linear-gradient(135deg, #f59e0b 0%, #ec4899 100%);
  color: #ffffff;
  border-color: transparent;
}

/* 主工作区三栏布局（支持右侧色卡折叠全屏） */
.workspace {
  flex: 1;
  display: grid;
  grid-template-columns: 62px 1fr 345px;
  overflow: hidden;
  position: relative;
  transition: grid-template-columns 0.2s ease;
}

.workspace.sidebar-collapsed {
  grid-template-columns: 62px 1fr 0px;
}

/* 左侧工具栏 */
.left-toolbar {
  background: var(--bg-panel);
  border-right: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 10px 0;
  gap: 6px;
  z-index: 10;
}

.tool-btn {
  width: 46px;
  height: 44px;
  border-radius: 10px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--text-secondary);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  cursor: pointer;
  font-size: 10px;
  font-weight: 600;
  transition: all 0.15s ease;
}

.tool-btn:hover:not(:disabled) {
  background: var(--bg-card);
  color: var(--text-primary);
}

.tool-btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.tool-btn.active {
  background: rgba(56, 189, 248, 0.16);
  color: var(--accent-primary);
  border-color: rgba(56, 189, 248, 0.45);
}

.tool-btn.space-override {
  background: rgba(250, 204, 21, 0.22);
  color: var(--accent-amber);
  border-color: var(--accent-amber);
}

.toolbar-divider {
  width: 32px;
  height: 1px;
  background: var(--border-subtle);
  margin: 3px 0;
}

/* 中央无限画布区 */
.canvas-stage {
  position: relative;
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: var(--bg-app);
}

#stitchCanvas {
  display: block;
  cursor: grab;
  touch-action: none;
}

/* 顶部悬浮图层与视图控制条 */
.floating-hud-top {
  position: absolute;
  top: 38px;
  left: 42px;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
  background: rgba(15, 23, 42, 0.88);
  backdrop-filter: blur(8px);
  padding: 6px 10px;
  border-radius: 10px;
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-lg);
  z-index: 6;
}

body.theme-light .floating-hud-top {
  background: rgba(255, 255, 255, 0.92);
}

.chip-toggle {
  padding: 4px 8px;
  border-radius: 6px;
  font-size: 11.5px;
  font-weight: 600;
  border: 1px solid transparent;
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
}

.chip-toggle.active {
  background: rgba(16, 185, 129, 0.18);
  color: var(--accent-emerald);
  border-color: rgba(16, 185, 129, 0.4);
}

/* 空格抓手激活提示胶囊 */
.spacebar-toast {
  position: absolute;
  top: 88px;
  left: 42px;
  background: rgba(250, 204, 21, 0.95);
  color: #0f172a;
  font-size: 12px;
  font-weight: 700;
  padding: 5px 12px;
  border-radius: 999px;
  box-shadow: var(--shadow-lg);
  z-index: 8;
  display: none;
  pointer-events: none;
}

.spacebar-toast.visible {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* 单色高亮浮动横幅 */
.isolation-banner {
  position: absolute;
  bottom: 18px;
  left: 42px;
  display: flex;
  align-items: center;
  gap: 12px;
  background: rgba(15, 23, 42, 0.94);
  backdrop-filter: blur(10px);
  padding: 10px 16px;
  border-radius: 12px;
  border: 1px solid var(--accent-amber);
  box-shadow: var(--shadow-lg);
  z-index: 6;
}

body.theme-light .isolation-banner {
  background: rgba(255, 255, 255, 0.96);
}

.isolation-Banner-hidden {
  display: none !important;
}

.swatch-circle {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 14px;
  border: 1px solid rgba(255, 255, 255, 0.35);
}

/* 全景导航小地图：固定宽度彻底消除抖动 + 支持四角随时切换位置 */
.minimap-box {
  position: absolute;
  width: 172px; /* 固定宽度，防止坐标数字变化引起卡片抖动 */
  background: rgba(15, 23, 42, 0.92);
  backdrop-filter: blur(8px);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 8px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  box-shadow: var(--shadow-lg);
  z-index: 7;
  transition: top 0.18s ease, bottom 0.18s ease, left 0.18s ease, right 0.18s ease;
}

body.theme-light .minimap-box {
  background: rgba(255, 255, 255, 0.94);
}

/* 四个角落定位修饰类 */
.minimap-box.pos-br {
  bottom: 16px;
  right: 16px;
}
.minimap-box.pos-bl {
  bottom: 16px;
  left: 42px;
}
.minimap-box.pos-tr {
  top: 38px;
  right: 16px;
}
.minimap-box.pos-tl {
  top: 88px;
  left: 42px;
}

.minimap-box.collapsed #minimapCanvas {
  display: none;
}

.minimap-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2px;
}

.minimap-title {
  font-size: 10.5px;
  font-weight: 700;
  color: var(--text-secondary);
}

.corner-btns {
  display: flex;
  gap: 2px;
}

.corner-btn {
  width: 20px;
  height: 20px;
  border-radius: 4px;
  border: 1px solid transparent;
  background: rgba(148, 163, 184, 0.12);
  color: var(--text-secondary);
  font-size: 10px;
  line-height: 1;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.corner-btn:hover {
  background: var(--bg-card-hover);
  color: var(--text-primary);
}

.corner-btn.active {
  background: rgba(56, 189, 248, 0.25);
  color: var(--accent-primary);
  border-color: rgba(56, 189, 248, 0.5);
}

#minimapCanvas {
  width: 154px;
  height: 132px;
  border-radius: 6px;
  background: #0b1120;
  cursor: crosshair;
  display: block;
}

.coord-readout {
  font-size: 11px;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-variant-numeric: tabular-nums;
  color: var(--text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  width: 100%;
}

/* 右侧色卡展开悬浮按钮（当侧边栏收起时显示） */
.sidebar-expand-fab {
  position: absolute;
  top: 38px;
  right: 16px;
  z-index: 8;
  display: none;
}

.workspace.sidebar-collapsed .sidebar-expand-fab {
  display: inline-flex;
}

/* 右侧 DMC 色卡与单色隔离控制面板 */
.right-sidebar {
  background: var(--bg-panel);
  border-left: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow: hidden;
  min-width: 0;
}

.sidebar-header {
  padding: 12px 14px;
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.sidebar-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
}

.sidebar-title-row h2 {
  font-size: 13.5px;
  font-weight: 700;
  white-space: nowrap;
}

.search-filter-row {
  display: flex;
  gap: 6px;
}

.input-search {
  flex: 1;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  padding: 6px 10px;
  border-radius: 8px;
  font-size: 12px;
}

.lock-switch-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 11.5px;
  color: var(--text-secondary);
  background: var(--bg-card);
  padding: 6px 10px;
  border-radius: 8px;
  border: 1px solid var(--border-subtle);
}

/* 色号列表 */
.palette-list {
  flex: 1;
  overflow-y: auto;
  padding: 10px 12px;
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.color-card {
  display: grid;
  grid-template-columns: 36px 1fr auto auto;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border-radius: 10px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  cursor: pointer;
  transition: all 0.15s ease;
}

.color-card:hover {
  background: var(--bg-card-hover);
}

.color-card.isolated {
  border-color: var(--accent-amber);
  background: rgba(250, 204, 21, 0.1);
  box-shadow: 0 0 0 1px var(--accent-amber);
}

.color-card.completed {
  opacity: 0.45;
}

.color-card.color-hidden {
  opacity: 0.38;
  border-style: dashed;
}

.color-swatch {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 15px;
  border: 1px solid rgba(255, 255, 255, 0.25);
  box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.25);
}

.color-meta {
  display: flex;
  flex-direction: column;
  gap: 2px;
  overflow: hidden;
}

.color-code-line {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12.5px;
  font-weight: 700;
}

.color-name {
  font-size: 11px;
  color: var(--text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.color-badges {
  display: flex;
  gap: 4px;
  font-size: 10px;
  color: var(--text-muted);
}

.color-progress-col {
  text-align: right;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 4px;
}

.remain-count {
  font-size: 12px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.mini-bar {
  width: 50px;
  height: 5px;
  background: rgba(148, 163, 184, 0.2);
  border-radius: 99px;
  overflow: hidden;
}

.mini-bar-fill {
  height: 100%;
  background: var(--accent-emerald);
}

/* 单个色号隐藏眼睛按钮 */
.btn-eye-hide {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  border: 1px solid transparent;
  background: rgba(148, 163, 184, 0.1);
  color: var(--text-secondary);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  transition: all 0.15s ease;
}

.btn-eye-hide:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-subtle);
  color: var(--text-primary);
}

.btn-eye-hide.is-hidden {
  background: rgba(244, 63, 94, 0.18);
  color: var(--accent-rose);
  border-color: rgba(244, 63, 94, 0.4);
}

/* 原生 <dialog> 模态框与 Light-Dismiss 样式 */
dialog.saga-modal {
  margin: auto;
  background: var(--bg-panel);
  color: var(--text-primary);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  padding: 0;
  width: min(860px, 92vw);
  max-height: 86vh;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.65);
  overflow: hidden;
}

dialog.saga-modal::backdrop {
  background-color: rgba(2, 6, 23, 0.68);
  backdrop-filter: blur(4px);
}

.modal-inner {
  padding: 22px 26px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  max-height: 86vh;
  overflow-y: auto;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 14px;
}

.modal-header h3 {
  font-size: 17px;
  font-weight: 700;
}

/* 统计卡片与定价卡片网格 */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.stat-box {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.stat-box .label {
  font-size: 11.5px;
  color: var(--text-secondary);
}

.stat-box .val {
  font-size: 22px;
  font-weight: 800;
  color: var(--accent-primary);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.price-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 14px;
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  position: relative;
}

.price-card.featured {
  border-color: var(--accent-amber);
  box-shadow: 0 0 0 1px var(--accent-amber);
}

.price-tag {
  font-size: 26px;
  font-weight: 800;
}

.price-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 12.5px;
  color: var(--text-secondary);
  flex: 1;
}

.floss-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12.5px;
}

.floss-table th,
.floss-table td {
  padding: 8px 10px;
  border-bottom: 1px solid var(--border-subtle);
  text-align: left;
}

.bookshelf-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 14px;
}

.book-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.book-card.is-current {
  border-color: var(--accent-primary);
}

.local-pattern-card-header,
.cloud-pattern-card-header,
.local-pattern-actions,
.cloud-pattern-actions,
.cloud-library-heading,
.cloud-toolbar,
.cloud-login-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.local-pattern-card-header,
.cloud-pattern-card-header,
.cloud-library-heading {
  justify-content: space-between;
}

.local-pattern-title,
.cloud-pattern-name {
  font-size: 14px;
  font-weight: 700;
  overflow-wrap: anywhere;
}

.local-pattern-activity,
.cloud-pattern-size,
.local-pattern-metadata,
.cloud-library-heading p,
.cloud-status,
.cloud-empty {
  color: var(--text-muted);
  font-size: 11.5px;
}

.local-pattern-metadata {
  color: var(--text-secondary);
  font-size: 12px;
}

.local-pattern-progress-text {
  font-size: 11.5px;
  font-weight: 600;
}

.local-pattern-progress {
  width: 100%;
  accent-color: var(--accent-emerald);
}

.local-pattern-actions .btn:first-child,
.cloud-pattern-actions .btn:first-child {
  flex: 1;
  justify-content: center;
}

.cloud-library {
  margin-top: 20px;
  padding: 16px;
  border: 1px solid rgba(56, 189, 248, 0.35);
  border-radius: 12px;
  background: rgba(56, 189, 248, 0.07);
}

.cloud-library-heading h4 {
  margin: 0 0 4px;
  color: var(--accent-primary);
}

.cloud-library-heading p {
  margin: 0;
  line-height: 1.5;
}

.cloud-private-badge {
  flex: none;
  padding: 4px 8px;
  border-radius: 999px;
  background: rgba(34, 197, 94, 0.12);
  color: var(--accent-emerald);
  font-size: 11px;
  font-weight: 700;
}

.cloud-login-row {
  flex-wrap: wrap;
  margin-top: 14px;
}

.cloud-login-row label {
  font-size: 12px;
  font-weight: 700;
}

.cloud-login-row input {
  min-width: 220px;
  flex: 1;
  padding: 8px 10px;
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  background: var(--bg-card);
  color: var(--text-primary);
}

.cloud-toolbar {
  flex-wrap: wrap;
  margin-top: 14px;
}

.cloud-status {
  min-height: 18px;
  margin: 10px 0 0;
}

.cloud-status[data-type="success"] { color: var(--accent-emerald); }
.cloud-status[data-type="error"] { color: var(--accent-rose); }

.cloud-patterns-grid {
  margin-top: 10px;
}


/* ============================================================================
 * 移动端 / 手机竖屏与 iPad 小屏响应式适配 (Mobile & Touch Bottom Sheet Layout)
 * ============================================================================ */
@media (max-width: 768px) {
  .topbar {
    height: auto;
    flex-wrap: wrap;
    padding: 8px 10px;
    gap: 8px;
  }

  .progress-pill-container {
    order: 3;
    width: 100%;
    min-width: unset;
    padding: 5px 10px;
  }

  .topbar-actions {
    gap: 4px;
  }

  .topbar-actions .btn {
    padding: 5px 8px;
    font-size: 11px;
  }

  .workspace,
  .workspace.sidebar-collapsed {
    display: block;
    position: relative;
    height: calc(100vh - 96px);
  }

  /* 左侧工具栏转为手机底部居中悬浮工具坞 (Bottom Floating Dock) */
  .left-toolbar {
    position: fixed;
    bottom: 10px;
    left: 50%;
    transform: translateX(-50%);
    flex-direction: row;
    width: calc(100vw - 20px);
    max-width: 440px;
    height: 54px;
    padding: 0 8px;
    border-radius: 16px;
    border: 1px solid var(--border-subtle);
    background: rgba(15, 23, 42, 0.94);
    backdrop-filter: blur(12px);
    box-shadow: var(--shadow-lg);
    overflow-x: auto;
    justify-content: space-between;
    z-index: 30;
  }

  body.theme-light .left-toolbar {
    background: rgba(255, 255, 255, 0.95);
  }

  .toolbar-divider {
    width: 1px;
    height: 26px;
    margin: 0 2px;
  }

  .tool-btn {
    min-width: 40px;
    height: 40px;
  }

  /* 顶部悬浮图层栏紧凑横向滚动 */
  .floating-hud-top {
    top: 32px;
    left: 32px;
    right: 8px;
    flex-wrap: nowrap;
    overflow-x: auto;
    padding: 4px 8px;
  }

  /* 手机端右侧色号栏转为底部上拉抽屉 (Bottom Sheet Drawer) */
  .right-sidebar {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    height: 64vh;
    z-index: 40;
    border-left: none;
    border-top: 1px solid var(--accent-primary);
    border-radius: 18px 18px 0 0;
    box-shadow: 0 -12px 36px rgba(0, 0, 0, 0.65);
    transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  }

  .workspace.sidebar-collapsed .right-sidebar {
    transform: translateY(105%);
  }

  .sidebar-expand-fab {
    display: inline-flex !important;
    top: auto;
    bottom: 72px;
    right: 12px;
    z-index: 25;
    box-shadow: var(--shadow-lg);
  }

  /* 手机端小地图与单色高亮条自动避开底部工具坞 */
  .minimap-box.pos-br,
  .minimap-box.pos-bl {
    bottom: 72px;
  }

  .isolation-banner {
    bottom: 72px;
    left: 12px;
    right: 12px;
    padding: 8px 12px;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .pricing-grid {
    grid-template-columns: 1fr;
  }
}