/* 创明笔记 — 配色见 themes.css */
:root {
  --ink-radius: 12px;
  --ink-font: "DM Sans", "PingFang SC", "Microsoft YaHei", sans-serif;
  --ink-serif: "Noto Serif SC", "Songti SC", serif;
  --ink-transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body.notes-landing,
body.notes-workspace {
  margin: 0;
  font-family: var(--ink-font);
  background: var(--ink-bg);
  color: var(--ink-text);
  min-height: 100vh;
  transition:
    background var(--ink-transition),
    color var(--ink-transition);
}

/* 背景光斑（介绍页 / 工作区） */
.notes-bg-decoration {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.notes-bg-decoration .orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(72px);
  animation: notes-float-orb 20s ease-in-out infinite;
}

.notes-bg-decoration .orb-1 {
  width: 380px;
  height: 380px;
  background: var(--ink-orb-1);
  top: -6%;
  right: -4%;
}

.notes-bg-decoration .orb-2 {
  width: 300px;
  height: 300px;
  background: var(--ink-orb-2);
  bottom: 8%;
  left: -6%;
  animation-delay: -8s;
}

@keyframes notes-float-orb {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(12px, -18px) scale(1.05); }
}

[data-theme="plumrain"] .notes-rain-layer {
  opacity: 0.35;
}

.notes-rain-layer {
  position: absolute;
  inset: 0;
  opacity: 0;
  background-image: repeating-linear-gradient(
    105deg,
    transparent,
    transparent 2px,
    rgba(139, 92, 246, 0.04) 2px,
    rgba(139, 92, 246, 0.04) 3px
  );
  animation: notes-rain 0.8s linear infinite;
}

@keyframes notes-rain {
  from { background-position: 0 0; }
  to { background-position: 0 24px; }
}

/* 主题切换面板 */
.notes-theme-panel-wrap {
  position: fixed;
  bottom: 1.25rem;
  right: 1.25rem;
  z-index: 100;
}

.notes-theme-toggle {
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 50%;
  border: 1px solid var(--ink-border);
  background: var(--ink-surface-solid);
  box-shadow: var(--ink-shadow);
  cursor: pointer;
  font-size: 1.2rem;
  transition: transform 0.2s, border-color var(--ink-transition);
}

.notes-theme-toggle:hover {
  transform: scale(1.06);
  border-color: var(--ink-accent);
}

.notes-theme-panel {
  position: absolute;
  bottom: calc(100% + 0.5rem);
  right: 0;
  min-width: 200px;
  padding: 0.85rem;
  background: var(--ink-surface-solid);
  border: 1px solid var(--ink-border);
  border-radius: var(--ink-radius);
  box-shadow: var(--ink-shadow);
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity 0.25s, transform 0.25s, visibility 0.25s;
}

.notes-theme-panel.open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.notes-theme-panel-title {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-muted);
  margin: 0 0 0.6rem;
}

.notes-theme-options {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.notes-theme-option {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.5rem 0.6rem;
  border: 1px solid var(--ink-border);
  border-radius: 8px;
  background: transparent;
  color: var(--ink-text);
  font: inherit;
  font-size: 0.82rem;
  cursor: pointer;
  text-align: left;
  transition: border-color var(--ink-transition), background var(--ink-transition);
}

.notes-theme-option:hover,
.notes-theme-option.active {
  border-color: var(--ink-btn-accent-border, var(--ink-accent));
  background: var(--ink-btn-accent-bg, var(--ink-accent-soft));
  color: var(--ink-btn-accent-text, var(--ink-text));
}

.notes-theme-swatch {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  flex-shrink: 0;
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.08);
}

.notes-theme-swatch.spring { background: linear-gradient(135deg, #059669, #6ee7b7); }
.notes-theme-swatch.plumrain { background: linear-gradient(135deg, #8b5cf6, #c4b5fd); }
.notes-theme-swatch.twilight { background: linear-gradient(135deg, #5c2d4a, #ff6b4a 55%, #ffb347); }
.notes-theme-swatch.autumnnight { background: linear-gradient(135deg, #060608, #1a2230 70%, #9aaccc); }

.notes-topbar,
.notes-hero,
.notes-features,
.notes-site-footer,
.ws-app {
  position: relative;
  z-index: 1;
}

body.notes-landing {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

body.notes-workspace {
  display: flex;
  flex-direction: column;
  height: 100vh;
  height: 100dvh;
  overflow: hidden;
}

body.notes-workspace .notes-page-shell {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 0;
  overflow: hidden;
}

body.notes-workspace .ws-app {
  flex: 1;
  min-height: 0;
}

a {
  color: var(--ink-accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.notes-container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* 顶栏 */
.notes-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--ink-border);
  background: var(--ink-surface);
}

.notes-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 700;
  color: var(--ink-text);
  text-decoration: none;
}

.notes-brand:hover {
  text-decoration: none;
}

.notes-topbar-nav {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.notes-link-muted {
  color: var(--ink-muted);
  font-size: 0.9rem;
}

.notes-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem 1rem;
  border-radius: 8px;
  border: 1px solid transparent;
  font: inherit;
  font-size: 0.9rem;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.2s, border-color 0.2s;
}

.notes-btn-primary {
  background: var(--ink-gradient-accent, var(--ink-accent));
  color: var(--ink-on-accent);
  border: 1px solid color-mix(in srgb, var(--ink-accent) 55%, transparent);
  box-shadow: var(--ink-btn-primary-shadow);
  font-weight: 600;
}

.notes-btn-primary:hover {
  filter: brightness(1.06);
  text-decoration: none;
  color: var(--ink-on-accent);
  box-shadow: var(--ink-btn-primary-shadow), 0 2px 4px rgba(0, 0, 0, 0.12);
}

.notes-btn-ghost {
  background: var(--ink-btn-raised-bg, var(--ink-surface-solid));
  border-color: var(--ink-btn-raised-border, var(--ink-border));
  color: var(--ink-text);
  box-shadow: var(--ink-btn-shadow);
}

.notes-btn-ghost:hover {
  background: var(--ink-surface-2);
  border-color: var(--ink-btn-accent-border, var(--ink-border));
}

.notes-btn-danger {
  background: transparent;
  color: var(--ink-danger);
  border-color: var(--ink-danger);
}

.notes-btn-lg {
  padding: 0.75rem 1.35rem;
  font-size: 1rem;
}

.notes-btn-sm {
  padding: 0.35rem 0.75rem;
  font-size: 0.82rem;
}

/* Landing */
.notes-hero {
  padding: 3rem 1.5rem 4rem;
}

.notes-hero-grid {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.notes-eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.75rem;
  color: var(--ink-muted);
  margin: 0 0 0.75rem;
}

.notes-hero h1 {
  font-family: var(--ink-serif);
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.2;
  margin: 0 0 1rem;
}

.notes-hero h1 em {
  font-style: normal;
  color: var(--ink-hero-em);
}

.notes-lead {
  color: var(--ink-muted);
  font-size: 1.05rem;
  max-width: 32rem;
  margin: 0 0 1.5rem;
}

.notes-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.notes-hero-visual {
  position: relative;
  min-height: 280px;
}

.notes-preview-card {
  position: absolute;
  background: var(--ink-surface);
  border: 1px solid var(--ink-border);
  border-radius: var(--ink-radius);
  padding: 1rem 1.1rem;
  box-shadow: var(--ink-shadow);
  width: 200px;
}

.notes-preview-card .tag {
  display: inline-block;
  font-size: 0.7rem;
  padding: 0.15rem 0.45rem;
  border-radius: 4px;
  border: 1px solid var(--ink-btn-accent-border, var(--ink-accent));
  background: var(--ink-btn-accent-bg, var(--ink-accent-soft));
  color: var(--ink-btn-accent-text, var(--ink-accent));
  margin-bottom: 0.4rem;
}

.notes-preview-card-1 { top: 10%; left: 5%; }
.notes-preview-card-2 { top: 35%; right: 8%; }
.notes-preview-card-3 { bottom: 8%; left: 25%; }

.notes-preview-lines {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  color: var(--ink-border);
  pointer-events: none;
}

.notes-features {
  padding: 2rem 0 4rem;
}

.notes-features .notes-container {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.notes-features article {
  background: var(--ink-surface);
  border: 1px solid var(--ink-border);
  border-radius: var(--ink-radius);
  padding: 1.25rem;
}

.notes-features h3 {
  margin: 0 0 0.5rem;
  font-size: 1.05rem;
}

.notes-features p {
  margin: 0;
  color: var(--ink-muted);
  font-size: 0.92rem;
}

.notes-site-footer {
  flex-shrink: 0;
  text-align: center;
  padding: 1rem 1.25rem 1.25rem;
  color: var(--ink-muted);
  font-size: 0.82rem;
  border-top: 1px solid var(--ink-border);
  background: var(--ink-surface);
}

.notes-site-footer-inner {
  max-width: 1080px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.45rem;
}

.notes-footer-copy {
  margin: 0;
  color: var(--ink-text);
  font-size: 0.85rem;
}

.notes-beian {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.65rem 1rem;
}

.notes-beian-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  color: var(--ink-muted);
  text-decoration: none;
  font-size: 0.8rem;
}

.notes-beian-link:hover {
  color: var(--ink-accent);
  text-decoration: none;
}

.notes-beian-icon {
  width: 16px;
  height: 16px;
  object-fit: contain;
}

.notes-beian-icon[hidden] {
  display: none;
}

.notes-footer-links {
  margin: 0;
  font-size: 0.8rem;
}

/* ========== Workspace ========== */
#notes-app {
  --ws-explorer-width: 260px;
  --ws-notes-height: 280px;
  --ws-explorer-projects-height: 200px;
}

.ws-app {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-height: 0;
  overflow: hidden;
}

.ws-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.5rem 1rem;
  background: var(--ink-surface);
  border-bottom: 1px solid var(--ink-border);
  flex-shrink: 0;
}

.ws-toolbar-left,
.ws-toolbar-center,
.ws-toolbar-right {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.ws-project-label {
  font-size: 0.9rem;
  color: var(--ink-muted);
  padding-left: 0.5rem;
  border-left: 1px solid var(--ink-border);
}

.ws-tool-btn {
  padding: 0.4rem 0.85rem;
  border: 1px solid var(--ink-btn-raised-border, var(--ink-border));
  border-radius: 8px;
  background: var(--ink-btn-raised-bg, var(--ink-surface-solid));
  color: var(--ink-text);
  font: inherit;
  font-size: 0.85rem;
  cursor: pointer;
  box-shadow: var(--ink-btn-shadow);
}

.ws-tool-btn:hover {
  background: var(--ink-surface-2);
  border-color: var(--ink-btn-accent-border, var(--ink-border));
}

.ws-tool-btn-accent,
.ws-tool-btn.active {
  background: var(--ink-btn-accent-bg, var(--ink-accent-soft));
  border-color: var(--ink-btn-accent-border, var(--ink-accent));
  color: var(--ink-btn-accent-text, var(--ink-accent));
  box-shadow: var(--ink-btn-shadow), inset 0 1px 0 rgba(255, 255, 255, 0.06);
  font-weight: 600;
}

.ws-user {
  font-size: 0.85rem;
  color: var(--ink-muted);
  text-decoration: none;
  padding: 0.35rem 0.5rem;
  border-radius: 8px;
  transition: color var(--transition), background var(--transition);
}

.ws-user strong {
  font-weight: 600;
  color: var(--ink-text, var(--ink-fg));
}

.ws-user:hover {
  color: var(--ink-btn-accent-text, var(--ink-accent));
  background: var(--ink-btn-accent-bg, var(--ink-accent-soft));
}

.ws-user:hover strong {
  color: var(--ink-btn-accent-text, var(--ink-accent));
}

.ws-logout-form {
  margin: 0;
}

.ws-body {
  display: flex;
  flex: 1;
  min-height: 0;
}

/* 分隔条 */
.ws-resizer {
  flex-shrink: 0;
  position: relative;
  z-index: 5;
  touch-action: none;
  background: var(--ink-border);
  transition: background 0.15s;
}

.ws-resizer::after {
  content: '';
  position: absolute;
  z-index: 1;
}

.ws-resizer:hover,
.ws-resizer.is-dragging {
  background: var(--ink-accent);
}

.ws-resizer-v {
  width: 6px;
  margin: 0 -3px;
  cursor: col-resize;
  align-self: stretch;
}

.ws-resizer-v::after {
  top: 0;
  bottom: 0;
  left: -5px;
  right: -5px;
}

.ws-resizer-h {
  height: 6px;
  margin: -3px 0;
  cursor: row-resize;
  flex-shrink: 0;
}

.ws-resizer-h::after {
  left: 0;
  right: 0;
  top: -5px;
  bottom: -5px;
}

.ws-resizer-explorer-inner {
  width: 100%;
  margin: 0;
  flex-shrink: 0;
}

.ws-resizer-h[hidden] {
  display: none !important;
}

body.ws-layout-resizing {
  user-select: none;
  cursor: inherit;
}

body.ws-layout-resizing * {
  cursor: inherit !important;
}

body.ws-layout-resizing.ws-resize-col {
  cursor: col-resize !important;
}

body.ws-layout-resizing.ws-resize-row {
  cursor: row-resize !important;
}

/* 左侧资源管理器 */
.ws-explorer {
  width: var(--ws-explorer-width);
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  min-height: 0;
  border-right: 1px solid var(--ink-border);
  background: var(--ink-surface-solid);
}

.ws-explorer-block {
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.ws-explorer-projects {
  flex: 0 0 var(--ws-explorer-projects-height);
  min-height: 72px;
  max-height: calc(100% - 96px);
  border-bottom: none;
}

.ws-explorer-docs {
  flex: 1;
  min-height: 72px;
}

.ws-explorer-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.5rem 0.75rem;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink-muted);
  background: var(--ink-surface-2);
}

/* 主区域：上画布 + 下笔记面板 */
.ws-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 0;
}

.ws-panel-canvas {
  flex: 1;
  min-height: 160px;
  border-top: none;
}

.ws-panel-notes {
  flex: 0 0 var(--ws-notes-height);
  min-height: 120px;
  max-height: 75vh;
  border-top: 1px solid var(--ink-border);
  background: var(--ink-bg);
}

.ws-panel-notes.collapsed {
  flex: 0 0 auto;
  min-height: 0;
  max-height: none;
}

.ws-panel-notes.collapsed .ws-notes-body {
  display: none;
}

.ws-notes-panel-head {
  cursor: default;
  gap: 0.5rem;
}

.ws-panel-tab-btn {
  border: none;
  background: transparent;
  cursor: pointer;
  font: inherit;
}

.ws-panel-tab-btn:hover {
  color: var(--ink-text);
}

.ws-notes-tab-title {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--ink-text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 40%;
}

.ws-notes-hint {
  margin-left: auto;
  color: var(--ink-muted);
  font-size: 0.72rem;
  white-space: nowrap;
}

.ws-panel-close {
  flex-shrink: 0;
  font-size: 1.25rem;
  line-height: 1;
  padding: 0;
}

.ws-notes-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.ws-tab-hint {
  color: var(--ink-muted);
  font-size: 0.75rem;
}

.ws-editor-pane {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 0;
  position: relative;
}

.ws-editor-empty {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--ink-muted);
  text-align: center;
  padding: 2rem;
}

.ws-editor-empty-sub {
  font-size: 0.88rem;
  margin: 0.5rem 0 1rem;
}

.ws-editor-active {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.ws-editor-active[hidden],
.ws-editor-empty[hidden] {
  display: none !important;
}

.ws-editor-title {
  font: 600 1.1rem var(--ink-serif);
  padding: 0.65rem 1rem;
  border: none;
  border-bottom: 1px solid var(--ink-border);
  background: var(--ink-surface);
  color: var(--ink-text);
}

.ws-editor-title:focus {
  outline: none;
  border-bottom-color: var(--ink-accent);
}

.ws-editor-content {
  flex: 1;
  width: 100%;
  min-height: 200px;
  padding: 1rem 1.15rem;
  border: none;
  resize: none;
  font: 0.95rem/1.65 var(--ink-font);
  background: var(--ink-surface-solid);
  color: var(--ink-text);
}

.ws-editor-content:focus {
  outline: none;
}

.ws-editor-statusbar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.75rem;
  background: var(--ink-surface-2);
  border-top: 1px solid var(--ink-border);
  font-size: 0.8rem;
}

.ws-commit-input {
  flex: 1;
  max-width: 280px;
}

.ws-editor-meta {
  color: var(--ink-muted);
  white-space: nowrap;
}

.ws-editor-actions {
  display: flex;
  gap: 0.35rem;
  margin-left: auto;
}

/* 面板通用 */
.ws-panel {
  display: flex;
  flex-direction: column;
  background: var(--ink-surface-2);
  min-height: 0;
}

.ws-panel-head {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding: 0.35rem 0.6rem;
  background: var(--ink-surface);
  border-bottom: 1px solid var(--ink-border);
}

.ws-panel-tab {
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--ink-muted);
  padding: 0.25rem 0.5rem;
  border-bottom: 2px solid var(--ink-accent);
}

.ws-panel-tools {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-left: auto;
}

.ws-select-sm {
  font-size: 0.8rem;
  padding: 0.25rem 0.4rem;
}

.ws-link-hint {
  position: absolute;
  bottom: 0.5rem;
  left: 50%;
  transform: translateX(-50%);
  background: var(--ink-accent);
  color: var(--ink-on-accent);
  padding: 0.35rem 0.75rem;
  border-radius: 6px;
  font-size: 0.8rem;
  z-index: 5;
  pointer-events: none;
}

.ws-link-hint[hidden] {
  display: none;
}

.ws-project-list {
  list-style: none;
  margin: 0;
  padding: 0.5rem;
  overflow-y: auto;
  flex: 1;
}

.ws-project-item {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  margin-bottom: 0.25rem;
}

.ws-project-item.active .ws-project-btn {
  background: var(--ink-btn-accent-bg, var(--ink-accent-soft));
  border-color: var(--ink-btn-accent-border, var(--ink-accent));
  color: var(--ink-btn-accent-text, var(--ink-text));
  font-weight: 600;
  box-shadow: var(--ink-btn-shadow);
}

.ws-project-btn {
  flex: 1;
  text-align: left;
  padding: 0.55rem 0.65rem;
  border: 1px solid transparent;
  border-radius: 8px;
  background: transparent;
  cursor: pointer;
  font: inherit;
  font-size: 0.88rem;
}

.ws-project-btn .role {
  display: block;
  font-size: 0.72rem;
  color: var(--ink-muted);
}

.ws-project-menu button {
  border: none;
  background: transparent;
  cursor: pointer;
  opacity: 0.5;
  padding: 0.2rem;
}

.ws-project-menu button:hover {
  opacity: 1;
}

.ws-icon-btn {
  width: 2rem;
  height: 2rem;
  border: 1px solid var(--ink-btn-raised-border, var(--ink-border));
  border-radius: 8px;
  background: var(--ink-btn-raised-bg, var(--ink-surface-solid));
  box-shadow: var(--ink-btn-shadow);
  cursor: pointer;
  font-size: 1.1rem;
  line-height: 1;
}

.ws-canvas-wrap {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 0;
  position: relative;
}

.ws-zoom-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.ws-select,
.ws-input {
  font: inherit;
  padding: 0.4rem 0.6rem;
  border: 1px solid var(--ink-border);
  border-radius: 8px;
  background: var(--ink-surface);
}

.ws-input-sm {
  font-size: 0.82rem;
}

.ws-textarea {
  font: inherit;
  width: 100%;
  padding: 0.5rem;
  border: 1px solid var(--ink-border);
  border-radius: 8px;
  resize: vertical;
}

.ws-canvas {
  flex: 1;
  position: relative;
  overflow: auto;
  background:
    linear-gradient(var(--ink-canvas-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--ink-canvas-grid) 1px, transparent 1px);
  background-size: 24px 24px;
  background-color: var(--ink-canvas-bg);
}

.ws-edges {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  transform-origin: 0 0;
}

.ws-edge-line {
  stroke-width: 2.5;
  opacity: 0.75;
}

.ws-edge-label {
  font-size: 11px;
  font-family: var(--ink-font);
  text-anchor: middle;
  pointer-events: none;
  paint-order: stroke;
  stroke: var(--ink-surface-solid);
  stroke-width: 3px;
}

.ws-cards-layer {
  position: absolute;
  inset: 0;
  transform-origin: 0 0;
}

.ws-link-preview {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  transform-origin: 0 0;
  z-index: 2;
}

.ws-link-preview line {
  stroke: var(--ink-accent);
  stroke-width: 2.5;
  stroke-dasharray: 6 4;
  opacity: 0.9;
}

.ws-card {
  position: absolute;
  top: 0;
  left: 0;
  width: 240px;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  background: var(--ink-surface-solid);
  border: 1px solid var(--ink-border);
  border-radius: var(--ink-radius);
  padding: 0.55rem 0.65rem 0.45rem;
  box-shadow: var(--ink-shadow);
  cursor: default;
  transition: box-shadow 0.15s, border-color 0.15s;
  touch-action: none;
}

.ws-card.selected {
  border-color: var(--ink-btn-accent-border, var(--ink-accent));
  box-shadow: 0 0 0 1px var(--ink-btn-accent-border, var(--ink-accent)), var(--ink-shadow);
}

.ws-card.dragging {
  cursor: grabbing;
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.28), 0 0 0 2px var(--ink-accent);
  z-index: 20;
  transition: none;
  opacity: 0.96;
}

.ws-card.highlight {
  animation: ws-card-pulse 0.9s ease;
}

@keyframes ws-card-pulse {
  0%, 100% { box-shadow: 0 0 0 2px var(--ink-accent), var(--ink-shadow); }
  50% { box-shadow: 0 0 0 4px var(--ink-accent), var(--ink-shadow); }
}

.ws-card.link-mode {
  cursor: pointer;
}

.ws-card.link-source,
.ws-card.link-target-hover {
  box-shadow: 0 0 0 2px var(--ink-accent), var(--ink-shadow);
}

.ws-card.link-target-hover {
  border-color: var(--ink-accent);
}

.ws-card-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.35rem;
  cursor: grab;
  user-select: none;
}

.ws-card-head:active {
  cursor: grabbing;
}

.ws-card-type {
  font-size: 0.65rem;
  padding: 0.12rem 0.4rem;
  border-radius: 4px;
  text-transform: uppercase;
  background: var(--ink-btn-accent-bg, var(--ink-surface-2));
  color: var(--ink-btn-accent-text, var(--ink-muted));
  border: 1px solid var(--ink-btn-accent-border, transparent);
  flex-shrink: 0;
}

.ws-card-more {
  border: none;
  background: transparent;
  cursor: pointer;
  padding: 0.15rem 0.35rem;
  font-size: 1rem;
  line-height: 1;
  color: var(--ink-muted);
  border-radius: 4px;
}

.ws-card-more:hover {
  background: var(--ink-surface-2);
  color: var(--ink-text);
}

.ws-card-title,
.ws-card-body {
  width: 100%;
  border: 1px solid transparent;
  border-radius: 6px;
  background: transparent;
  color: var(--ink-text);
  font: inherit;
  transition: border-color 0.15s, background 0.15s;
}

.ws-card-title {
  font-size: 0.95rem;
  font-weight: 600;
  padding: 0.25rem 0.35rem;
}

.ws-card-body {
  font-size: 0.8rem;
  line-height: 1.45;
  padding: 0.3rem 0.35rem;
  resize: vertical;
  min-height: 2.8em;
  color: var(--ink-muted);
}

.ws-card-title:hover,
.ws-card-body:hover {
  border-color: var(--ink-border);
  background: var(--ink-surface-2);
}

.ws-card-title:focus,
.ws-card-body:focus {
  outline: none;
  border-color: var(--ink-accent);
  background: var(--ink-surface-solid);
  color: var(--ink-text);
}

.ws-card-link-row {
  font-size: 0.75rem;
  padding: 0 0.35rem;
}

.ws-card-link-row a {
  color: var(--ink-accent);
  word-break: break-all;
}

.ws-card-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.35rem;
  margin-top: 0.15rem;
  padding-top: 0.35rem;
  border-top: 1px solid var(--ink-border);
}

.ws-card-port {
  width: 1.35rem;
  height: 1.35rem;
  border-radius: 50%;
  border: 2px solid var(--ink-btn-accent-border, var(--ink-accent));
  background: var(--ink-btn-accent-bg, var(--ink-accent-soft));
  color: var(--ink-btn-accent-text, var(--ink-accent));
  font-size: 0.55rem;
  line-height: 1;
  cursor: crosshair;
  flex-shrink: 0;
  touch-action: none;
  transition: transform 0.15s, box-shadow 0.15s;
}

.ws-card-port:hover {
  transform: scale(1.12);
  box-shadow: 0 0 0 3px var(--ink-accent-soft);
}

.ws-card-port.is-dragging {
  transform: scale(1.2);
  box-shadow: 0 0 0 4px var(--ink-accent-soft);
}

.ws-card-saved {
  font-size: 0.68rem;
  color: var(--ink-success);
  opacity: 0;
  transition: opacity 0.2s;
}

.ws-card-saved.show {
  opacity: 1;
}

.ws-link-popover {
  position: absolute;
  z-index: 30;
  min-width: 200px;
  max-width: 280px;
  padding: 0.65rem 0.75rem;
  background: var(--ink-surface-solid);
  border: 1px solid var(--ink-border);
  border-radius: 10px;
  box-shadow: var(--ink-shadow);
}

.ws-link-popover[hidden] {
  display: none !important;
}

.ws-link-popover-title {
  margin: 0 0 0.5rem;
  font-size: 0.82rem;
  color: var(--ink-muted);
}

.ws-link-popover-types {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-bottom: 0.5rem;
}

.ws-link-popover-type {
  padding: 0.3rem 0.55rem;
  border: 1px solid var(--ink-border);
  border-radius: 6px;
  background: var(--ink-btn-raised-bg);
  font: inherit;
  font-size: 0.78rem;
  cursor: pointer;
  color: var(--ink-text);
}

.ws-link-popover-type:hover {
  border-color: var(--ink-btn-accent-border, var(--ink-accent));
  background: var(--ink-btn-accent-bg);
  color: var(--ink-btn-accent-text, var(--ink-text));
}

.ws-canvas-hint {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: var(--ink-muted);
  pointer-events: none;
}

.ws-doc-list {
  list-style: none;
  margin: 0;
  padding: 0.35rem;
  overflow-y: auto;
  flex: 1;
}

.ws-doc-empty-hint {
  padding: 0.75rem;
  font-size: 0.82rem;
  color: var(--ink-muted);
}

.ws-doc-item button {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  text-align: left;
  padding: 0.45rem 0.5rem;
  border: 1px solid transparent;
  border-radius: 6px;
  background: transparent;
  cursor: pointer;
  font: inherit;
  font-size: 0.88rem;
}

.ws-doc-item.active button {
  background: var(--ink-btn-accent-bg, var(--ink-accent-soft));
  border-color: var(--ink-btn-accent-border, var(--ink-accent));
  color: var(--ink-btn-accent-text, var(--ink-text));
  font-weight: 600;
}

.ws-doc-icon {
  opacity: 0.7;
  flex-shrink: 0;
}

.ws-doc-label {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.ws-doc-ver {
  font-size: 0.68rem;
  color: var(--ink-muted);
}

.ws-modal-wide {
  max-width: 480px;
}

.ws-modal-desc {
  margin: 0 0 0.75rem;
  color: var(--ink-muted);
  font-size: 0.88rem;
}

.ws-connection-types {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.ws-connection-option {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  padding: 0.6rem 0.75rem;
  border: 1px solid var(--ink-border);
  border-radius: 8px;
  background: transparent;
  cursor: pointer;
  text-align: left;
  font: inherit;
  color: var(--ink-text);
}

.ws-connection-option:hover,
.ws-connection-option.selected {
  border-color: var(--ink-btn-accent-border, var(--ink-accent));
  background: var(--ink-btn-accent-bg, var(--ink-accent-soft));
  color: var(--ink-btn-accent-text, var(--ink-text));
}

.ws-connection-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  margin-top: 0.2rem;
  flex-shrink: 0;
}

.ws-connection-info strong {
  display: block;
  font-size: 0.9rem;
}

.ws-connection-info small {
  color: var(--ink-muted);
  font-size: 0.78rem;
}

.ws-modal {
  border: none;
  border-radius: var(--ink-radius);
  padding: 0;
  max-width: 440px;
  width: calc(100% - 2rem);
  box-shadow: var(--ink-shadow);
  background: var(--ink-surface-solid);
  color: var(--ink-text);
}

.ws-modal::backdrop {
  background: var(--ink-modal-backdrop);
}

.ws-modal-inner {
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.ws-modal-inner label {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  font-size: 0.85rem;
}

.ws-modal-actions {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.5rem;
}

/* 提示条：仅 JS 动态创建，避免底部残留空节点 */
.ws-toast {
  position: fixed;
  top: 4.5rem;
  left: 50%;
  transform: translateX(-50%) translateY(-8px);
  background: var(--ink-toast-bg);
  color: var(--ink-text);
  border: 1px solid var(--ink-border);
  padding: 0.65rem 1.2rem;
  border-radius: 8px;
  font-size: 0.9rem;
  z-index: 9999;
  box-shadow: var(--ink-shadow);
  opacity: 0;
  transition: opacity 0.25s, transform 0.25s;
  pointer-events: none;
  max-width: min(90vw, 28rem);
}

.ws-toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
  pointer-events: auto;
}

.ws-toast.is-error {
  background: var(--ink-danger);
  color: #fff;
  border-color: transparent;
}

@media (max-width: 900px) {
  .notes-hero-grid {
    grid-template-columns: 1fr;
  }
  .notes-hero-visual {
    display: none;
  }
  .notes-features .notes-container {
    grid-template-columns: 1fr;
  }
  #notes-app {
    --ws-explorer-width: 200px;
  }
}