/* ============================================================
   editor.css — App layout & editor (light theme, Django palette)
   Sidebar: white with green borders
   Editor: clean white, Fira Mono for code
   Toolbar: white surface with green accent interactions
   ============================================================ */

/* ── App Layout ──────────────────────────────────────────── */
.app-layout {
  margin-left: var(--sidebar-width);
  height: calc(100vh - var(--navbar-height));
  margin-top: var(--navbar-height);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

/* ── Sidebar ─────────────────────────────────────────────── */
.sidebar {
  position: fixed;
  top: var(--navbar-height);
  left: 0;
  bottom: 0;
  width: var(--sidebar-width);
  display: flex;
  flex-direction: column;
  background: var(--color-green-vvlight);
  border-right: 1px solid var(--color-border);
  overflow: hidden;
  z-index: 40;
  transition: transform var(--transition-normal);
}

.sidebar-header {
  padding: var(--space-3);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  background: #ffffff;
}

.sidebar-actions { display: flex; gap: var(--space-2); }
.sidebar-new-btn { flex: 1; }

/* Override btn for sidebar */
.sidebar-new-btn.btn-primary {
  background: var(--color-primary);
  border-color: var(--color-primary);
  height: 32px;
  font-size: var(--text-xs);
}

/* Search input in sidebar */
.sidebar-header .form-input {
  height: 32px;
  font-size: var(--text-xs);
  background: var(--color-green-vvlight);
}

/* ── Notes list ──────────────────────────────────────────── */
.notes-list {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-1) var(--space-2);
  /* smooth momentum scrolling on iOS */
  -webkit-overflow-scrolling: touch;
}

/* Loading row — shown while fetching next page */
.notes-loading-row {
  display: flex;
  justify-content: center;
  padding: var(--space-4) 0;
}

@keyframes notes-spin {
  to { transform: rotate(360deg); }
}

.notes-spinner {
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid var(--color-green-light);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: notes-spin 0.7s linear infinite;
}

/* Subtle "scroll for more" hint at end of list */
.notes-load-hint {
  text-align: center;
  padding: var(--space-3) 0 var(--space-2);
  font-size: 10px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-xdim);
}

.notes-list-empty {
  text-align: center;
  padding: var(--space-12) var(--space-4);
  color: var(--color-text-xdim);
  font-size: var(--text-sm);
}

.notes-list-empty svg {
  width: 48px; height: 48px;
  margin: 0 auto var(--space-4);
  opacity: 0.25;
  color: var(--color-green-md);
}

.note-item {
  padding: 7px var(--space-3);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background var(--transition-fast), border-color var(--transition-fast);
  border: 1px solid transparent;
  margin-bottom: 1px;
  position: relative;
  background: transparent;
  width: 100%;
  text-align: left;
  font-family: var(--font-sans);
}

.note-item:hover { background: var(--color-green-vlight); }

.note-item.active {
  background: #ffffff;
  border-color: var(--color-green-md);
  box-shadow: var(--shadow-sm);
}

/* Django green left accent on active item */
.note-item.active::before {
  content: '';
  position: absolute;
  left: 0; top: 4px; bottom: 4px;
  width: 3px;
  background: var(--color-primary);
  border-radius: 0 2px 2px 0;
}

.note-item-title {
  font-size: var(--text-xs);
  font-weight: var(--font-bold);
  color: var(--color-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-bottom: 2px;
}

.note-item-preview {
  font-size: 11px;
  color: var(--color-text-dim);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  line-height: 1.3;
}

.note-item-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 4px;
}

.note-item-date {
  font-size: 10px;
  color: var(--color-text-xdim);
}


.note-pin-icon {
  position: absolute;
  top: 7px; right: var(--space-3);
  color: var(--color-green-md-dark);
  opacity: 0.65;
}

.note-item-delete {
  position: absolute;
  top: 6px; right: var(--space-3);
  width: 22px; height: 22px;
  display: none;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  background: transparent;
  border: none;
  color: var(--color-text-xdim);
  cursor: pointer;
  padding: 0;
  transition: background var(--transition-fast), color var(--transition-fast);
  z-index: 1;
}

.note-item:hover .note-item-delete,
.note-item.active .note-item-delete {
  display: flex;
}

.note-item-delete:hover {
  background: var(--color-error-bg);
  color: var(--color-error);
}

/* Shift pin icon left when delete button is visible */
.note-item:hover .note-pin-icon,
.note-item.active .note-pin-icon {
  right: calc(var(--space-3) + 26px);
}


/* ── Main editor area ────────────────────────────────────── */
.editor-area {
  background: #ffffff;
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden; /* children handle their own scroll */
}

/* Scrollable content zone — everything except the status bar */
.editor-scroll {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  -webkit-overflow-scrolling: touch;
}

/* Hide formatting groups when in preview mode */
.editor-toolbar.preview-mode .toolbar-group {
  display: none;
}
.editor-toolbar.preview-mode .toolbar-spacer {
  display: none;
}

/* ── Toolbar ─────────────────────────────────────────────── */
.editor-toolbar {
  padding: var(--space-2) var(--space-4);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  gap: var(--space-1);
  flex-wrap: wrap;
  background: var(--color-green-vvlight);
  min-height: 48px;
  /* Stick to top of editor-area scroll container */
  position: sticky;
  top: 0;
  z-index: 10;
}

.toolbar-group {
  display: flex;
  align-items: center;
  gap: 1px;
  padding-right: var(--space-3);
  border-right: 1px solid var(--color-border);
}
.toolbar-group:last-child { border-right: none; }

.toolbar-btn {
  width: 32px; height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  color: var(--color-text-dim);
  font-size: var(--text-sm);
  transition: all var(--transition-fast);
  cursor: pointer;
  font-family: var(--font-mono);
  font-weight: var(--font-bold);
  background: transparent;
  border: none;
}

.toolbar-btn:hover {
  background: var(--color-green-vlight);
  color: var(--color-primary);
}

.toolbar-btn.active {
  background: var(--color-green-vlight);
  color: var(--color-primary);
  border: 1px solid var(--color-green-light);
}

.toolbar-spacer { flex: 1; }

.toolbar-view-toggle {
  display: flex;
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 2px;
  gap: 2px;
}

.view-btn {
  padding: 4px 10px;
  border-radius: 3px;
  font-size: var(--text-xs);
  font-weight: var(--font-bold);
  color: var(--color-text-dim);
  cursor: pointer;
  transition: all var(--transition-fast);
  background: transparent;
  border: none;
  font-family: var(--font-sans);
  letter-spacing: 0.02em;
}

.view-btn.active {
  background: var(--color-primary);
  color: #ffffff;
}

/* ── Note title — inline in toolbar ─────────────────────── */
.note-title-input {
  flex: 1;
  min-width: 0;
  max-width: 260px;
  height: 30px;
  padding: 0 var(--space-3);
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  font-family: var(--font-sans);
}
.note-title-input::placeholder { color: var(--color-text-xdim); }
.note-title-input:focus {
  outline: none;
  border-color: var(--color-green-md);
  box-shadow: 0 0 0 2px var(--color-primary-glow);
}

/* ── Editor / Preview full-page panes ───────────────────── */
.editor-body {
  /* Plain block — grows with content, page handles scroll */
}

.editor-write-pane.hidden {
  display: none;
}

.editor-textarea {
  display: block;
  width: 100%;
  min-height: calc(100vh - var(--navbar-height) - 80px);
  padding: var(--space-4) var(--space-6);
  background: #ffffff;
  border: none;
  resize: none;
  overflow: hidden;          /* height driven by JS — no internal scrollbar */
  box-sizing: border-box;
  color: var(--color-text);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  line-height: 1.85;
  tab-size: 2;
}
.editor-textarea:focus { outline: none; }
.editor-textarea::placeholder { color: var(--color-text-xdim); }

/* ── Preview pane — full page ────────────────────────────── */
.preview-pane {
  display: none;
  background: #ffffff;
  padding: var(--space-4) var(--space-6);
}

.preview-pane.visible {
  display: block;
}

/* ── GitHub-style markdown rendered output ───────────────── */
.markdown-body {
  color: var(--color-text);
  font-size: var(--text-base);
  line-height: var(--leading-relaxed);
  font-family: var(--font-sans);
}

.markdown-body h1,
.markdown-body h2,
.markdown-body h3,
.markdown-body h4,
.markdown-body h5,
.markdown-body h6 {
  color: var(--color-text);
  font-weight: var(--font-normal);
  letter-spacing: -0.3px;
  margin: 1.5em 0 0.75em;
  line-height: var(--leading-tight);
}

.markdown-body h1 { font-size: var(--text-3xl); font-weight: var(--font-light); padding-bottom: 0.4em; border-bottom: 1px solid var(--color-border); }
.markdown-body h2 { font-size: var(--text-2xl); padding-bottom: 0.3em; border-bottom: 1px solid var(--color-border); }
.markdown-body h3 { font-size: var(--text-xl); font-weight: var(--font-bold); }
.markdown-body h4 { font-size: var(--text-lg); font-weight: var(--font-bold); }

.markdown-body p { margin-bottom: 1em; }

.markdown-body a { color: var(--color-green-md-dark); }
.markdown-body a:hover { color: var(--color-primary); }

.markdown-body strong { font-weight: var(--font-bold); color: var(--color-text); }
.markdown-body em { font-style: italic; }
.markdown-body del { text-decoration: line-through; color: var(--color-text-dim); }

.markdown-body ul, .markdown-body ol { padding-left: 1.5em; margin-bottom: 1em; }
.markdown-body ul { list-style: disc; }
.markdown-body ol { list-style: decimal; }
.markdown-body li { margin-bottom: 0.3em; }
.markdown-body li > ul, .markdown-body li > ol { margin-top: 0.3em; margin-bottom: 0; }

.markdown-body blockquote {
  padding: var(--space-3) var(--space-5);
  margin: 1em 0;
  background: var(--color-green-vvlight);
  border-left: 3px solid var(--color-primary);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  color: var(--color-text-muted);
}

.markdown-body code {
  background: var(--color-green-vvlight);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.875em;
  color: var(--color-error);
  border: 1px solid var(--color-border);
}

.markdown-body pre {
  background: #1a2320;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-4) var(--space-5);
  margin: 1.25em 0;
  overflow-x: auto;
  position: relative;
}

/* ── Copy code button ────────────────────────────────────── */
.copy-code-btn {
  position: absolute;
  top: var(--space-2);
  right: var(--space-2);
  padding: 3px 10px;
  font-size: 11px;
  font-family: var(--font-sans);
  font-weight: var(--font-bold);
  letter-spacing: 0.03em;
  background: rgba(255, 255, 255, 0.07);
  color: #93D7B7;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
  user-select: none;
}
.copy-code-btn:hover {
  background: rgba(255, 255, 255, 0.14);
  color: #ffffff;
}
.copy-code-btn.copied {
  color: var(--color-green);
  border-color: rgba(32, 170, 118, 0.45);
  background: rgba(32, 170, 118, 0.1);
}
.markdown-body pre code {
  background: none;
  border: none;
  padding: 0;
  color: #e2e8e4;
  font-size: var(--text-sm);
  line-height: 1.7;
}

.markdown-body table {
  margin: 1em 0;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-border);
  font-size: var(--text-sm);
}
.markdown-body th {
  background: var(--color-green-vvlight);
  padding: var(--space-3) var(--space-4);
  text-align: left;
  font-weight: var(--font-bold);
  font-size: var(--text-sm);
  color: var(--color-text);
  border-bottom: 1px solid var(--color-border);
}
.markdown-body td {
  padding: var(--space-3) var(--space-4);
  border-top: 1px solid var(--color-border);
}
.markdown-body tr:hover td { background: var(--color-green-vvlight); }

.markdown-body hr { border: none; border-top: 1px solid var(--color-border); margin: 1.5em 0; }
.markdown-body img { max-width: 100%; border-radius: var(--radius-md); border: 1px solid var(--color-border); }

/* ── Status bar — always pinned at the bottom ────────────── */
.editor-status {
  flex-shrink: 0;
  padding: var(--space-2) var(--space-6);
  border-top: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  gap: var(--space-6);
  background: var(--color-green-vvlight);
  font-size: 11px;
  color: var(--color-text-xdim);
  font-family: var(--font-mono);
  z-index: 10;
}

.status-save {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.status-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--color-success);
}
.status-dot.unsaved { background: var(--color-warning); }

/* ── No note placeholder ─────────────────────────────────── */
.editor-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100%;
  height: 100%;
  color: var(--color-text-xdim);
  gap: var(--space-4);
  padding: var(--space-8);
  background: #ffffff;
}
.editor-placeholder svg {
  width: 64px; height: 64px;
  opacity: 0.2;
  color: var(--color-green-md);
}
.editor-placeholder p {
  font-size: var(--text-base);
  text-align: center;
  color: var(--color-text-dim);
  line-height: var(--leading-relaxed);
}

/* ── Mobile ──────────────────────────────────────────────── */
@media (max-width: 768px) {
  .app-layout {
    margin-left: 0; /* sidebar is hidden off-screen */
  }

  .sidebar {
    transform: translateX(-100%);
    z-index: 50;
    box-shadow: var(--shadow-xl);
  }
  .sidebar.open { transform: translateX(0); }

  .sidebar-overlay {
    display: none;
    position: fixed; inset: 0;
    background: rgba(0,0,0,0.35);
    z-index: 49;
  }
  .sidebar-overlay.open { display: block; }

  .preview-pane { padding: var(--space-6) var(--space-4); }
}