/* ── Reset & Base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  /* Theme Variables Default (light) */
  --ink: #1a1410;
  --ink-2: #3d332a;
  --ink-3: #7a6a5c;
  --ink-4: #b0a090;
  --paper: #faf7f2;
  --paper-2: #f3ede3;
  --paper-3: #ebe1d2;
  --paper-4: #ddd3c0;
  --accent: #c0541a;
  --accent-2: #e87340;
  --accent-soft: #f5e8de;
  --green: #2d6a4f;
  --green-soft: #d8eadf;
  --blue: #1a4a7a;
  --blue-soft: #dce8f5;
  --red: #8b1a1a;
  --red-soft: #f5dede;
  --shadow: 0 2px 12px rgba(26,20,16,0.10);
  --shadow-lg: 0 8px 32px rgba(26,20,16,0.15);
  --radius: 6px;
  --radius-lg: 12px;
  --sidebar-w: 280px;
  --font-body: 'DM Sans', sans-serif;
  --font-serif: 'Lora', Georgia, serif;
  --font-mono: 'JetBrains Mono', 'Courier New', monospace;
  --transition: 0.18s ease;
}

[data-theme="dark"] {
  --ink: #faf7f2;
  --ink-2: #e0d8c8;
  --ink-3: #a09888;
  --ink-4: #605848;
  --paper: #1a1410;
  --paper-2: #241e1a;
  --paper-3: #2e2824;
  --paper-4: #3d332a;
  --accent: #e87340;
  --accent-2: #ff8a5a;
  --accent-soft: #3d281f;
  --green: #4ade80;
  --green-soft: #143324;
  --blue: #60a5fa;
  --blue-soft: #1e3a5f;
  --red: #f87171;
  --red-soft: #4a1c1c;
  --shadow: 0 2px 12px rgba(0,0,0,0.40);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.60);
}

[data-theme="ocean"] {
  --ink: #f0f8ff;
  --ink-2: #c0d8f0;
  --ink-3: #80a8d0;
  --ink-4: #406890;
  --paper: #0a1428;
  --paper-2: #142440;
  --paper-3: #1e3458;
  --paper-4: #284470;
  --accent: #0ea5e9;
  --accent-2: #38bdf8;
  --accent-soft: #102a4a;
  --green: #10b981;
  --green-soft: #064e3b;
  --blue: #3b82f6;
  --blue-soft: #1e3a8a;
  --red: #ef4444;
  --red-soft: #7f1d1d;
}

[data-theme="sepia"] {
  --ink: #433422;
  --ink-2: #5c4b37;
  --ink-3: #8a7b66;
  --ink-4: #b8ac9c;
  --paper: #f4ecd8;
  --paper-2: #e9dec3;
  --paper-3: #deb0a;
  --paper-4: #d3c295;
  --accent: #d97706;
  --accent-2: #f59e0b;
  --accent-soft: #fef3c7;
  --green: #059669;
  --green-soft: #d1fae5;
  --blue: #2563eb;
  --blue-soft: #dbeafe;
  --red: #dc2626;
  --red-soft: #fee2e2;
}

[data-theme="forest"] {
  --ink: #e2e8f0;
  --ink-2: #cbd5e1;
  --ink-3: #94a3b8;
  --ink-4: #64748b;
  --paper: #022c22;
  --paper-2: #064e3b;
  --paper-3: #065f46;
  --paper-4: #047857;
  --accent: #10b981;
  --accent-2: #34d399;
  --accent-soft: #064e3b;
  --green: #84cc16;
  --green-soft: #3f6212;
  --blue: #0ea5e9;
  --blue-soft: #0c4a6e;
  --red: #ef4444;
  --red-soft: #7f1d1d;
}

html { height: 100%; }
body {
  font-family: var(--font-body);
  background: var(--paper);
  color: var(--ink);
  height: 100%;
  overflow: hidden;
  font-size: 15px;
  line-height: 1.6;
}

/* ── Scrollbars ── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--paper-4); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--ink-4); }

/* ── Layout ── */
#app { display: flex; height: 100vh; overflow: hidden; position: relative; }

/* ── Sidebar ── */
#sidebar {
  width: var(--sidebar-w);
  min-width: var(--sidebar-w);
  background: var(--paper-2);
  border-right: 1.5px solid var(--paper-4);
  display: flex;
  flex-direction: column;
  height: 100vh;
  overflow: hidden;
  transition: transform var(--transition), width var(--transition);
  z-index: 100;
}
#sidebar.collapsed { transform: translateX(calc(-1 * var(--sidebar-w))); position: absolute; }

.sidebar-header {
  padding: 20px 18px 14px;
  border-bottom: 1.5px solid var(--paper-4);
  flex-shrink: 0;
}
.logo {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: -0.5px;
  display: flex; align-items: center; gap: 8px;
}
.logo-dot { color: var(--accent); }
.sidebar-search {
  margin-top: 12px;
  position: relative;
}
.sidebar-search input {
  width: 100%;
  padding: 7px 10px 7px 32px;
  background: var(--paper);
  border: 1.5px solid var(--paper-4);
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 13px;
  color: var(--ink);
  outline: none;
  transition: border-color var(--transition);
}
.sidebar-search input:focus { border-color: var(--accent); }
.sidebar-search input::placeholder { color: var(--ink-4); }
.sidebar-search .search-icon {
  position: absolute; left: 9px; top: 50%; transform: translateY(-50%);
  color: var(--ink-4); pointer-events: none;
}

.sidebar-actions {
  padding: 12px 18px;
  display: flex; gap: 8px;
  border-bottom: 1.5px solid var(--paper-4);
  flex-shrink: 0;
}
.btn-action {
  flex: 1;
  padding: 7px 10px;
  border-radius: var(--radius);
  border: 1.5px solid var(--paper-4);
  background: var(--paper);
  color: var(--ink-2);
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center; gap: 5px;
  transition: all var(--transition);
  white-space: nowrap;
}
.btn-action:hover { background: var(--accent); color: #fff; border-color: var(--accent); }
.btn-action.secondary:hover { background: var(--ink-2); color: #fff; border-color: var(--ink-2); }

.sidebar-tree {
  flex: 1;
  overflow-y: auto;
  padding: 10px 0;
}
.tree-section-label {
  padding: 8px 18px 4px;
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--ink-4);
}

/* Folder items */
.folder-item { user-select: none; }
.folder-header {
  display: flex; align-items: center; gap: 6px;
  padding: 6px 18px;
  cursor: pointer;
  border-radius: 0;
  color: var(--ink-2);
  font-size: 13px;
  font-weight: 500;
  transition: background var(--transition);
  position: relative;
}
.folder-header:hover { background: var(--paper-3); }
.folder-header.active { background: var(--accent-soft); color: var(--accent); }
.folder-toggle { color: var(--ink-4); width: 14px; flex-shrink: 0; transition: transform var(--transition); display:flex; align-items:center; }
.folder-toggle.open { transform: rotate(90deg); }
.folder-icon { color: var(--ink-4); display:flex; align-items:center; }
.folder-name { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; margin-left: 2px; }
.folder-count { font-size: 9px; color: var(--ink-4); background: var(--paper-3); border-radius: 10px; padding: 0px 5px; margin-right: 4px; }
.folder-actions { display: none; gap: 2px; position: absolute; right: 8px; }
.folder-header:hover .folder-actions { display: flex; }
.action-dot-btn {
  background: none; border: none; cursor: pointer; color: var(--ink-4);
  padding: 2px; border-radius: 4px; display: flex; align-items: center;
  transition: all var(--transition);
}
.action-dot-btn:hover { background: var(--paper-4); color: var(--ink); }


.folder-children { display: none; }
.folder-children.open { display: block; }
.folder-nested-children { padding-left: 12px; }

/* Note items */
.note-item {
  display: flex; align-items: center;
  padding: 4px 18px 4px 36px;
  cursor: pointer;
  color: var(--ink-3);
  font-size: 13px;
  border-left: 2.5px solid transparent;
  transition: all var(--transition);
  position: relative;
}
.note-item:hover { background: var(--paper-3); color: var(--ink); }
.note-item.active { background: var(--accent-soft); color: var(--accent); border-left-color: var(--accent); }
.note-item-icon { margin-right: 6px; flex-shrink: 0; color: var(--ink-4); display:flex; align-items:center; }
.note-item-title { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.note-item-actions { display: none; gap: 2px; position: absolute; right: 8px; }
.note-item:hover .note-item-actions { display: flex; }

/* Root notes */
.root-note { padding-left: 18px; }

/* ── Main area ── */
#main {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: margin-left var(--transition);
}

/* ── Topbar ── */
#topbar {
  display: flex; align-items: center; gap: 10px;
  padding: 12px 20px;
  background: var(--paper);
  border-bottom: 1.5px solid var(--paper-3);
  flex-shrink: 0;
}
.topbar-toggle {
  background: none; border: none; cursor: pointer;
  color: var(--ink-3); font-size: 18px; padding: 4px;
  border-radius: var(--radius); transition: color var(--transition);
  line-height: 1;
}
.topbar-toggle:hover { color: var(--accent); }
.topbar-breadcrumb {
  flex: 1;
  font-family: var(--font-body);
  font-size: 13px;
  color: var(--ink-4);
  display: flex; align-items: center; gap: 6px;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.breadcrumb-sep { color: var(--paper-4); }
.breadcrumb-current { color: var(--ink-2); font-weight: 500; }
.topbar-right { display: flex; align-items: center; gap: 8px; }

.topbar-search {
  position: relative;
  display: flex; align-items: center;
}
.topbar-search input {
  padding: 6px 10px 6px 30px;
  background: var(--paper-2);
  border: 1.5px solid var(--paper-3);
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 13px;
  color: var(--ink);
  outline: none;
  width: 180px;
  transition: all var(--transition);
}
.topbar-search input:focus { border-color: var(--accent); width: 240px; background: var(--paper); }
.topbar-search .ts-icon { position: absolute; left: 9px; color: var(--ink-4); pointer-events: none; }

.btn-icon {
  background: none; border: 1.5px solid var(--paper-3);
  border-radius: var(--radius); cursor: pointer;
  color: var(--ink-3); font-size: 14px;
  padding: 5px 8px; line-height: 1;
  transition: all var(--transition);
  display: flex; align-items: center; gap: 5px;
  font-family: var(--font-body); font-size: 12px; font-weight: 500;
}
.btn-icon:hover { background: var(--paper-2); color: var(--ink); border-color: var(--ink-4); }
.btn-icon.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn-icon.primary:hover { background: var(--accent-2); border-color: var(--accent-2); }

/* ── Content area ── */
#content { flex: 1; overflow: hidden; display: flex; flex-direction: column; }

/* ── Welcome screen ── */
#welcome {
  flex: 1;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  padding: 40px;
  text-align: center;
}
.welcome-icon { margin-bottom: 16px; color: var(--accent); }
.welcome-title { font-family: var(--font-serif); font-size: 28px; font-weight: 600; color: var(--ink); margin-bottom: 8px; }
.welcome-sub { color: var(--ink-3); font-size: 15px; max-width: 360px; line-height: 1.7; }
.welcome-actions { display: flex; gap: 10px; margin-top: 28px; flex-wrap: wrap; justify-content: center; }
.welcome-btn {
  padding: 10px 22px; border-radius: var(--radius);
  font-family: var(--font-body); font-size: 14px; font-weight: 500;
  cursor: pointer; transition: all var(--transition);
  display: flex; align-items: center; gap: 7px;
}
.welcome-btn.primary { background: var(--accent); color: #fff; border: 2px solid var(--accent); }
.welcome-btn.primary:hover { background: var(--accent-2); border-color: var(--accent-2); }
.welcome-btn.secondary { background: transparent; color: var(--ink-2); border: 2px solid var(--paper-4); }
.welcome-btn.secondary:hover { border-color: var(--ink-3); }

.welcome-stats {
  display: flex; gap: 28px; margin-top: 36px;
  padding: 20px 32px;
  background: var(--paper-2);
  border-radius: var(--radius-lg);
  border: 1.5px solid var(--paper-4);
}
.stat { text-align: center; }
.stat-num { font-family: var(--font-serif); font-size: 26px; font-weight: 600; color: var(--accent); }
.stat-label { font-size: 11px; color: var(--ink-4); text-transform: uppercase; letter-spacing: 0.5px; }

/* ── Editor area ── */
#editor-area {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.editor-toolbar {
  display: flex; flex-direction: column; align-items: stretch; gap: 8px;
  padding: 10px 16px;
  background: var(--paper-2);
  border-bottom: 1.5px solid var(--paper-3);
  flex-shrink: 0;
}
.toolbar-formatting-groups, .toolbar-actions { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.toolbar-actions { justify-content: space-between; border-bottom: 1px solid var(--paper-3); padding-bottom: 8px; }



.editor-title-input {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 600;
  border: none;
  background: transparent;
  outline: none;
  color: var(--ink);
  width: 100%;
  padding: 12px 20px 10px;
  border-bottom: 1.5px solid var(--paper-3);
  flex-shrink: 0;
}
.editor-title-input::placeholder { color: var(--ink-4); }

.toolbar-group { display: flex; gap: 3px; }
.toolbar-sep { width: 1px; background: var(--paper-4); margin: 0 4px; align-self: stretch; }
.tb-btn {
  background: none; border: none; cursor: pointer;
  color: var(--ink-3); padding: 5px 8px;
  border-radius: 4px; font-family: var(--font-mono);
  font-size: 12px; font-weight: 500; line-height: 1;
  transition: all var(--transition);
  white-space: nowrap;
  display: flex; align-items: center; gap: 4px;
}
.tb-btn:hover { background: var(--paper-3); color: var(--ink); }
.tb-btn.active { background: var(--accent-soft); color: var(--accent); }
.toolbar-spacer { flex: 1; }

.editor-panes {
  flex: 1;
  display: flex;
  overflow: hidden;
}
#editor-write, #editor-preview {
  flex: 1;
  overflow-y: auto;
}
#editor-write { display: block; }
#editor-preview { display: none; }
#editor-write.split, #editor-preview.split { flex: 1; }
#editor-preview.split { display: block; border-left: 1.5px solid var(--paper-3); }

#note-textarea {
  width: 100%;
  height: 100%;
  padding: 20px 24px;
  border: none;
  outline: none;
  resize: none;
  font-family: var(--font-mono);
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--ink-2);
  background: var(--paper);
  tab-size: 2;
}
#note-textarea::placeholder { color: var(--ink-4); }

.preview-content {
  padding: 24px 32px;
  max-width: 760px;
  background: var(--paper);
  min-height: 100%;
}

/* Markdown preview styles */
.preview-content h1, .preview-content h2, .preview-content h3,
.preview-content h4, .preview-content h5, .preview-content h6 {
  font-family: var(--font-serif);
  color: var(--ink);
  margin: 1.5em 0 0.5em;
  line-height: 1.3;
}
.preview-content h1 { font-size: 2em; border-bottom: 2px solid var(--paper-4); padding-bottom: 8px; }
.preview-content h2 { font-size: 1.5em; }
.preview-content h3 { font-size: 1.2em; }
.preview-content p { margin: 0.8em 0; color: var(--ink-2); }
.preview-content a { color: var(--accent); text-decoration: underline; }
.preview-content code {
  font-family: var(--font-mono);
  font-size: 0.88em;
  background: var(--paper-3);
  border-radius: 3px;
  padding: 1px 5px;
  color: var(--red);
}
.preview-content pre {
  background: var(--ink);
  border-radius: var(--radius);
  padding: 16px 20px;
  overflow-x: auto;
  margin: 1em 0;
}
.preview-content pre code {
  background: none;
  color: var(--paper-2);
  padding: 0;
  font-size: 13px;
}
.preview-content blockquote {
  border-left: 3px solid var(--accent);
  padding: 8px 16px;
  margin: 1em 0;
  background: var(--accent-soft);
  border-radius: 0 var(--radius) var(--radius) 0;
  color: var(--ink-2);
  font-style: italic;
}
.preview-content ul, .preview-content ol {
  margin: 0.8em 0; padding-left: 24px; color: var(--ink-2);
}
.preview-content li { margin: 0.3em 0; }
.preview-content table { width: 100%; border-collapse: collapse; margin: 1em 0; }
.preview-content th {
  background: var(--paper-3); font-weight: 600; color: var(--ink);
  padding: 8px 12px; border: 1px solid var(--paper-4); text-align: left;
}
.preview-content td {
  padding: 7px 12px; border: 1px solid var(--paper-4); color: var(--ink-2);
}
.preview-content tr:nth-child(even) td { background: var(--paper-2); }
.preview-content img { max-width: 100%; border-radius: var(--radius); }
.preview-content hr { border: none; border-top: 2px solid var(--paper-4); margin: 1.5em 0; }

/* ── Status bar ── */
.editor-status {
  display: flex; align-items: center; gap: 14px;
  padding: 6px 20px;
  background: var(--paper-2);
  border-top: 1.5px solid var(--paper-3);
  font-size: 11px;
  color: var(--ink-4);
  flex-shrink: 0;
}
.status-item { display: flex; align-items: center; gap: 4px; }
.status-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--green); }
.status-dot.unsaved { background: var(--accent); }
.status-spacer { flex: 1; }
.editor-time { font-family: var(--font-mono); font-size: 11px; }

/* ── Markdown guide panel ── */
#md-guide {
  width: 260px;
  min-width: 260px;
  background: var(--paper-2);
  border-left: 1.5px solid var(--paper-3);
  overflow-y: auto;
  display: none;
  flex-direction: column;
}
#md-guide.open { display: flex; }
.guide-header {
  padding: 14px 16px 10px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: var(--ink-3);
  border-bottom: 1.5px solid var(--paper-3);
  display: flex; align-items: center; justify-content: space-between;
}
.guide-close { background: none; border: none; cursor: pointer; color: var(--ink-4); font-size: 16px; display:flex; align-items:center; }
.guide-section { padding: 12px 16px; border-bottom: 1px solid var(--paper-3); }
.guide-section-title { font-size: 10px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.8px; color: var(--ink-4); margin-bottom: 8px; }
.guide-row {
  display: flex; align-items: baseline; gap: 8px;
  margin-bottom: 5px; font-size: 12px;
}
.guide-syntax {
  font-family: var(--font-mono);
  font-size: 11px;
  background: var(--paper-3);
  border-radius: 3px;
  padding: 1px 5px;
  color: var(--accent);
  white-space: nowrap;
  flex-shrink: 0;
}
.guide-desc { color: var(--ink-3); }

/* ── Manage panel ── */
#manage-panel {
  flex: 1;
  overflow-y: auto;
  display: none;
  padding: 24px;
}
#manage-panel.open { display: block; }
.manage-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 20px;
}
.manage-title { font-family: var(--font-serif); font-size: 22px; font-weight: 600; }
.manage-actions { display: flex; gap: 8px; }

.manage-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 12px;
  margin-bottom: 24px;
}
.manage-card {
  background: var(--paper-2);
  border: 1.5px solid var(--paper-4);
  border-radius: var(--radius-lg);
  padding: 14px 16px;
  cursor: pointer;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.manage-card:hover { border-color: var(--accent); box-shadow: var(--shadow); transform: translateY(-1px); }
.manage-card.selected { border-color: var(--accent); background: var(--accent-soft); }
.manage-card-icon { margin-bottom: 8px; color: var(--ink-4); }
.manage-card-name {
  font-weight: 500; font-size: 14px; color: var(--ink);
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.manage-card-meta { font-size: 11px; color: var(--ink-4); margin-top: 4px; display: flex; align-items: center; gap: 4px; }
.manage-card-actions {
  position: absolute; top: 10px; right: 10px;
  display: none; gap: 4px;
}
.manage-card:hover .manage-card-actions { display: flex; }
.mc-btn {
  background: var(--paper); border: 1px solid var(--paper-4);
  border-radius: 4px; cursor: pointer; color: var(--ink-3);
  padding: 3px 6px; font-size: 14px; display:flex; align-items:center;
  transition: all var(--transition);
}
.mc-btn:hover { background: var(--accent); color: #fff; border-color: var(--accent); }
.mc-btn.del:hover { background: var(--red); border-color: var(--red); }

.manage-section-title {
  font-size: 11px; font-weight: 600; text-transform: uppercase;
  letter-spacing: 0.8px; color: var(--ink-4); margin-bottom: 10px;
  display: flex; align-items: center; gap: 8px;
}
.manage-section-title::after { content: ''; flex: 1; height: 1px; background: var(--paper-4); }

.manage-back {
  display: flex; align-items: center; gap: 8px;
  padding: 8px 12px; margin-bottom: 16px;
  background: var(--paper-2); border: 1.5px solid var(--paper-4);
  border-radius: var(--radius); cursor: pointer;
  font-size: 13px; color: var(--ink-2); font-weight: 500;
  transition: all var(--transition);
  width: fit-content;
}
.manage-back:hover { background: var(--paper-3); border-color: var(--ink-4); }

/* Folder Picker */
.folder-picker {
  background: var(--paper-2);
  border: 1.5px solid var(--paper-4);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex; flex-direction: column;
  max-height: 240px;
}
.fp-search-wrap {
  display: flex; align-items: center; gap: 8px;
  padding: 8px 12px;
  border-bottom: 1px solid var(--paper-3);
  background: var(--paper);
}
.fp-search-input {
  border: none; background: transparent; outline: none;
  font-size: 13px; color: var(--ink); width: 100%;
}
.fp-tree { flex: 1; overflow-y: auto; padding: 4px 0; }
.fp-item {
  padding: 6px 12px; font-size: 13px; color: var(--ink-2);
  cursor: pointer; display: flex; align-items: center;
  transition: all var(--transition);
}
.fp-item:hover { background: var(--paper-3); }
.fp-item.selected { background: var(--accent-soft); color: var(--accent); font-weight: 500; }
.fp-toggle { width: 14px; height: 14px; display: flex; align-items: center; justify-content: center; transition: transform var(--transition); color: var(--ink-4); }
.fp-toggle.open { transform: rotate(90deg); }

/* ── Modal ── */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(26,20,16,0.45);
  display: flex; align-items: center; justify-content: center;
  z-index: 1000;
  backdrop-filter: blur(2px);
  opacity: 0; pointer-events: none;
  transition: opacity var(--transition);
}
.modal-overlay.open { opacity: 1; pointer-events: all; }
.modal {
  background: var(--paper);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 28px;
  width: 90%;
  max-width: 440px;
  transform: translateY(10px);
  transition: transform var(--transition);
}
.modal-overlay.open .modal { transform: translateY(0); }
.modal-title { font-family: var(--font-serif); font-size: 18px; font-weight: 600; margin-bottom: 18px; color: var(--ink); display:flex; align-items:center; gap:8px;}
.modal-field { margin-bottom: 14px; }
.modal-label { display: block; font-size: 12px; font-weight: 500; color: var(--ink-3); margin-bottom: 5px; text-transform: uppercase; letter-spacing: 0.5px; }
.modal-input, .modal-select {
  width: 100%;
  padding: 9px 12px;
  border: 1.5px solid var(--paper-4);
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--ink);
  background: var(--paper-2);
  outline: none;
  transition: border-color var(--transition);
}
.modal-input:focus, .modal-select:focus { border-color: var(--accent); }
.modal-footer { display: flex; gap: 10px; justify-content: flex-end; margin-top: 20px; }
.modal-btn {
  padding: 8px 20px;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 14px; font-weight: 500;
  cursor: pointer; transition: all var(--transition);
  border: 1.5px solid transparent;
}
.modal-btn.cancel { background: var(--paper-2); color: var(--ink-3); border-color: var(--paper-4); }
.modal-btn.cancel:hover { border-color: var(--ink-4); color: var(--ink); }
.modal-btn.confirm { background: var(--accent); color: #fff; }
.modal-btn.confirm:hover { background: var(--accent-2); }
.modal-btn.danger { background: var(--red); color: #fff; }
.modal-btn.danger:hover { background: #a12020; }

/* ── Toast ── */
#toast-container {
  position: fixed; bottom: 20px; right: 20px;
  display: flex; flex-direction: column; gap: 8px;
  z-index: 2000;
}
.toast {
  background: var(--ink);
  color: var(--paper);
  padding: 10px 16px;
  border-radius: var(--radius);
  font-size: 13px;
  font-family: var(--font-body);
  box-shadow: var(--shadow-lg);
  display: flex; align-items: center; gap: 8px;
  animation: toastIn 0.2s ease forwards;
  max-width: 320px;
}
.toast.success { background: var(--green); }
.toast.error { background: var(--red); }
@keyframes toastIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }

/* ── Context menu ── */
#context-menu {
  position: fixed;
  background: var(--paper);
  border: 1.5px solid var(--paper-4);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  z-index: 500;
  min-width: 160px;
  padding: 4px 0;
  display: none;
}
.ctx-item {
  padding: 8px 14px;
  font-size: 13px;
  color: var(--ink-2);
  cursor: pointer;
  display: flex; align-items: center; gap: 8px;
  transition: background var(--transition);
  font-family: var(--font-body);
}
.ctx-item:hover { background: var(--paper-2); }
.ctx-item.danger { color: var(--red); }
.ctx-sep { height: 1px; background: var(--paper-3); margin: 3px 0; }

/* ── Search results ── */
#search-results {
  position: absolute;
  top: 100%;
  left: 0; right: 0;
  background: var(--paper);
  border: 1.5px solid var(--paper-4);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  z-index: 200;
  max-height: 280px;
  overflow-y: auto;
  display: none;
}
#search-results.open { display: block; }
.sr-item {
  padding: 10px 14px;
  cursor: pointer;
  border-bottom: 1px solid var(--paper-3);
  transition: background var(--transition);
}
.sr-item:last-child { border-bottom: none; }
.sr-item:hover { background: var(--paper-2); }
.sr-title { font-size: 13px; font-weight: 500; color: var(--ink); }
.sr-path { font-size: 11px; color: var(--ink-4); margin-top: 2px; }
.sr-snippet { font-size: 12px; color: var(--ink-3); margin-top: 3px; font-family: var(--font-mono); }
.sr-highlight { background: var(--accent-soft); color: var(--accent); border-radius: 2px; padding: 0 2px; }
.sr-empty { padding: 14px; text-align: center; color: var(--ink-4); font-size: 13px; }

/* ── Responsive ── */
@media (max-width: 768px) {
  :root { --sidebar-w: 100vw; }
  #sidebar {
    position: fixed; left: 0; top: 0; bottom: 0;
    transform: translateX(-100%);
    box-shadow: var(--shadow-lg);
  }
  #sidebar.mobile-open { transform: translateX(0); }
  .topbar-search input { width: 130px; }
  .topbar-search input:focus { width: 160px; }
  #md-guide { display: none !important; }
  .editor-toolbar { padding: 8px 12px; }
  #note-textarea { padding: 14px 16px; }
  .preview-content { padding: 16px; }
  .manage-grid { grid-template-columns: 1fr 1fr; }
  .welcome-stats { flex-direction: column; gap: 12px; padding: 16px 20px; }
}

/* ── Empty state ── */
.empty-state {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  padding: 40px; text-align: center; flex: 1;
}
.empty-state-icon { margin-bottom: 12px; opacity: 0.5; color: var(--ink-4); }
.empty-state-text { color: var(--ink-4); font-size: 14px; }

/* drag-over highlight */
.drag-over { border-color: var(--accent) !important; background: var(--accent-soft) !important; }

/* checklist support */
.preview-content input[type="checkbox"] { margin-right: 6px; accent-color: var(--accent); }

.move-note-select { width: 100%; }

#sidebar-overlay {
  display: none;
  position: fixed; inset: 0;
  background: rgba(26,20,16,0.3);
  z-index: 99;
}
#sidebar-overlay.visible { display: block; }