/* ═══════════════════════════════════════════════
   NOTED PAD PRO v4 — layout.css
   Topbar, sidebar, editor area, right panel, statusbar
═══════════════════════════════════════════════ */

/* ── APP SHELL ── */
#app { display: flex; flex-direction: column; height: 100vh; }

/* ── TOPBAR ── */
#topbar {
  height: var(--topbar-h);
  background: var(--bg-sidebar);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 14px;
  gap: 6px;
  flex-shrink: 0;
  z-index: var(--z-topbar);
  overflow-x: auto;
}
#topbar::-webkit-scrollbar { height: 0; }

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
  flex-shrink: 0;
}
.logo-icon { font-size: 20px; }
.logo-text {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  color: var(--accent);
}
.logo-meta { display: flex; flex-direction: column; line-height: 1; }
.logo-sub  { font-size: 8px; font-weight: 600; color: var(--text-muted); letter-spacing: 2px; text-transform: uppercase; margin-top: 1px; }
.version-badge { background: var(--accent); color: #0d0f14; font-size: 9px; font-weight: 700; padding: 1px 5px; border-radius: 10px; margin-left: 3px; }

/* ── MAIN LAYOUT ── */
#layout {
  display: flex;
  flex: 1;
  overflow: hidden;
}

/* ── SIDEBAR ── */
#sidebar {
  width: var(--sidebar-w);
  background: var(--bg-sidebar);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  flex-shrink: 0;
  transition: width var(--t-slow);
}
#sidebar.collapsed { width: 0; }

.sidebar-top {
  padding: 10px 12px 8px;
  border-bottom: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 7px;
  flex-shrink: 0;
}

/* Search box */
.search-wrap { position: relative; }
.search-wrap svg {
  position: absolute; left: 9px; top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted); pointer-events: none;
}
#sidebar-search {
  width: 100%;
  padding: 7px 8px 7px 30px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 12.5px;
  outline: none;
  transition: border-color var(--t-fast);
}
#sidebar-search:focus { border-color: var(--border-accent); }
#sidebar-search::placeholder { color: var(--text-muted); }

/* Folder filter chips row */
.filter-row {
  display: flex;
  align-items: center;
  gap: 5px;
  flex-wrap: wrap;
}

/* Note list */
#note-list {
  flex: 1;
  overflow-y: auto;
  padding: 2px 7px 8px;
}

/* Tag filter bar */
.tag-bar {
  padding: 7px 7px 9px;
  border-top: 1px solid var(--border);
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  flex-shrink: 0;
}

/* ── EDITOR AREA ── */
#editor-area {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--bg-card);
  min-width: 0;
}

/* Empty state */
#empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  flex: 1;
  color: var(--text-muted);
  gap: 11px;
}
.empty-icon  { font-size: 52px; opacity: .25; }
#empty-state h3 { font-family: var(--font-display); font-size: 20px; color: var(--text-secondary); font-weight: 600; }
#empty-state p  { font-size: 13px; text-align: center; max-width: 260px; line-height: 1.6; }

/* Lock screen */
#lock-screen {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  flex: 1;
  gap: 16px;
}
#lock-screen.show   { display: flex; }
.lock-icon          { font-size: 64px; opacity: .3; }
.lock-title         { font-family: var(--font-display); font-size: 22px; color: var(--text-secondary); }
.lock-sub           { font-size: 13px; color: var(--text-muted); }
.lock-form          { display: flex; gap: 8px; align-items: center; }
.lock-input {
  padding: 9px 13px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 14px;
  outline: none;
  width: 220px;
  transition: border-color var(--t-fast);
}
.lock-input:focus   { border-color: var(--border-accent); }
.lock-error         { color: var(--danger); font-size: 12px; display: none; }
.lock-error.show    { display: block; }

/* Editor wrapper */
#editor-wrap {
  display: none;
  flex-direction: column;
  flex: 1;
  overflow: hidden;
  min-height: 0;
}
#editor-wrap.show { display: flex; }

/* Editor header */
#editor-header { padding: 14px 22px 0; flex-shrink: 0; }

#note-title {
  width: 100%;
  background: transparent;
  border: none;
  outline: none;
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.2;
  margin-bottom: 8px;
  border-bottom: 2px solid transparent;
  padding-bottom: 5px;
  transition: border-color var(--t-fast);
}
#note-title:focus      { border-bottom-color: var(--accent); }
#note-title::placeholder { color: var(--text-muted); }

.note-meta-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding-bottom: 9px;
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}
.meta-item  { display: flex; align-items: center; gap: 4px; font-size: 11px; color: var(--text-muted); }
.meta-sep   { width: 1px; height: 12px; background: var(--border); }
.meta-flags { display: flex; align-items: center; gap: 6px; margin-left: auto; flex-wrap: wrap; }
.meta-flag  { display: flex; align-items: center; gap: 3px; font-size: 11px; cursor: pointer; padding: 2px 6px; border-radius: 6px; transition: all var(--t-fast); }
.meta-flag:hover { background: var(--bg-hover); }
.meta-flag.pinned { color: var(--info); }
.meta-flag.locked { color: var(--danger); }

/* Meta bar (due/folder/pin/lock) */
#meta-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 22px;
  border-bottom: 1px solid var(--border);
  background: rgba(0,0,0,.18);
  flex-shrink: 0;
  flex-wrap: wrap;
}
.meta-label { display: flex; align-items: center; gap: 4px; font-size: 11px; color: var(--text-muted); }
#due-input {
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 11px;
  padding: 3px 8px;
  outline: none;
  cursor: pointer;
  transition: border-color var(--t-fast);
}
#due-input:focus { border-color: var(--border-accent); }
#due-input::-webkit-calendar-picker-indicator { filter: invert(.5); cursor: pointer; }
#due-clear {
  background: none; border: none; color: var(--text-muted);
  cursor: pointer; font-size: 12px; display: none;
  transition: color var(--t-fast);
}
#due-clear:hover { color: var(--danger); }
#due-clear.show  { display: inline; }
#folder-select {
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-family: var(--font-body);
  font-size: 11px;
  padding: 3px 8px;
  outline: none;
  cursor: pointer;
  max-width: 130px;
}
.meta-bar-actions { margin-left: auto; display: flex; gap: 6px; }

/* Tag selector row */
#tag-selector { display: flex; align-items: center; gap: 4px; flex-wrap: wrap; }
.tag-toggle {
  padding: 2px 8px;
  border-radius: 13px;
  font-size: 10px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--t-fast);
  border: 1px solid transparent;
  opacity: .4;
  user-select: none;
}
.tag-toggle:hover  { opacity: .75; }
.tag-toggle.active { opacity: 1; border-color: rgba(255,255,255,.2); }

/* ── STATUS BAR ── */
#status-bar {
  height: var(--statusbar-h);
  background: var(--bg-sidebar);
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 22px;
  gap: 12px;
  font-size: 10px;
  color: var(--text-muted);
  flex-shrink: 0;
}
.status-item { display: flex; align-items: center; gap: 3px; }
#autosave-indicator { margin-left: auto; display: flex; align-items: center; gap: 4px; }
.save-dot { width: 5px; height: 5px; border-radius: 50%; background: var(--success); }

/* ── RIGHT PANEL ── */
#right-panel {
  width: var(--rp-w);
  border-left: 1px solid var(--border);
  background: var(--bg-sidebar);
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  transition: width var(--t-slow);
}
#right-panel.collapsed { width: 0; overflow: hidden; }

.rp-section {
  padding: 12px;
  border-bottom: 1px solid var(--border);
}
.rp-section-title {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 9px;
}
.rp-links { display: flex; flex-direction: column; gap: 4px; }

/* Shortcuts table */
.shortcut-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 3px 0;
  font-size: 10.5px;
  color: var(--text-muted);
}
kbd {
  font-family: var(--font-mono);
  font-size: 9px;
  background: rgba(255,255,255,.05);
  padding: 1px 5px;
  border-radius: 3px;
  border: 1px solid var(--border-light);
}

/* ── RESPONSIVE ── */
@media (max-width: 1100px) { #right-panel { width: 220px; } }
@media (max-width: 900px)  { #right-panel { display: none; } }
@media (max-width: 680px) {
  #sidebar {
    position: absolute;
    z-index: var(--z-sidebar);
    height: calc(100% - var(--topbar-h));
    top: var(--topbar-h);
  }
  :root { --sidebar-w: 260px; }
  #topbar { gap: 4px; padding: 0 8px; }
  #topbar .btn .btn-label { display: none; }
}
@media (max-width: 480px) {
  #note-title { font-size: 20px; }
  #editor-header { padding: 10px 14px 0; }
  #meta-bar { padding: 6px 14px; }
}

/* ══════════════════════════════════════
   MOBILE HAMBURGER MENU
══════════════════════════════════════ */
#mobile-menu-btn {
  display: none;
  width: 36px; height: 36px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-secondary);
  font-size: 18px;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all var(--t-fast);
}
#mobile-menu-btn:hover { background: var(--bg-hover); color: var(--accent); }

/* Mobile nav drawer */
#mobile-nav {
  display: none;
  position: fixed;
  top: var(--topbar-h);
  left: 0; right: 0;
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  z-index: calc(var(--z-topbar) + 1);
  padding: 12px 16px;
  box-shadow: var(--shadow-md);
  animation: slideDown var(--t-normal);
  flex-wrap: wrap;
  gap: 8px;
}
#mobile-nav.open { display: flex; }
#mobile-nav .btn { font-size: 12px; }

/* Mobile overlay */
#mobile-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.5);
  z-index: calc(var(--z-topbar));
  top: var(--topbar-h);
}
#mobile-overlay.show { display: block; }

/* ── Responsive overrides ── */
@media (max-width: 768px) {
  /* Show hamburger, hide topbar nav buttons */
  #mobile-menu-btn { display: flex; }
  #topbar .btn:not(#btn-focus):not(.btn-primary),
  #topbar .ibtn,
  #topbar .sep:not(:first-of-type) { display: none !important; }

  /* Keep New Note + Focus always visible */
  #topbar .btn-primary { display: flex !important; }
  #topbar #btn-focus   { display: flex !important; }

  /* Sidebar always visible as drawer */
  #sidebar {
    position: fixed;
    top: var(--topbar-h);
    left: 0;
    height: calc(100vh - var(--topbar-h));
    z-index: var(--z-sidebar);
    box-shadow: var(--shadow-lg);
    transform: translateX(-100%);
    transition: transform var(--t-slow);
    width: 280px !important;
  }
  #sidebar.mobile-open {
    transform: translateX(0);
  }
  /* Remove old collapsed width behavior on mobile */
  #sidebar.collapsed { transform: translateX(-100%); width: 280px !important; }

  /* Editor full width */
  #editor-area { width: 100%; }
  #right-panel  { display: none !important; }
  #layout       { overflow-x: hidden; }

  /* Editor padding smaller */
  #editor-scroll { padding: 14px 14px 30px; }
  #editor-header { padding: 12px 14px 0; }
  #meta-bar { padding: 6px 14px; flex-wrap: wrap; gap: 6px; }
  #toolbar  { padding: 5px 10px; }
  #note-title { font-size: 20px; }

  /* Status bar simpler */
  #status-bar { padding: 0 14px; font-size: 9.5px; }

  /* Modals full width */
  .modal { min-width: unset !important; width: 100%; max-height: 85vh; margin: 8px; }
  .modal-overlay { align-items: flex-end; padding: 0; }
  .md { border-radius: var(--radius-lg) var(--radius-lg) 0 0; }

  /* Pomo ring smaller */
  .pomo-ring { width: 130px; height: 130px; }
  .pomo-ring svg { width: 130px; height: 130px; }
  .pomo-time { font-size: 22px; }

  /* Calendar grid compact */
  .cal-day { min-height: 34px; }
  .cal-dn  { font-size: 10px; }
}

@media (max-width: 480px) {
  #topbar { padding: 0 10px; gap: 5px; }
  .logo-sub { display: none; }

  /* Stack meta bar */
  #meta-bar > * { font-size: 10px; }
  #due-input { font-size: 10px; padding: 2px 5px; }
  #folder-select { font-size: 10px; max-width: 90px; }

  /* Tag selector wrap */
  .note-meta-row { gap: 5px; }
  #tag-selector { gap: 3px; }
  .tag-toggle { padding: 1px 5px; font-size: 9.5px; }

  /* Dashboard grid 2 cols */
  .dash-grid { grid-template-columns: 1fr 1fr; }

  /* Theme grid 2 cols */
  .theme-grid { grid-template-columns: 1fr 1fr; }

  /* Template grid 1 col */
  .tpl-grid { grid-template-columns: 1fr; }
}