:root {
  --paper: #FBF8F1;
  --paper-raised: #FFFFFF;
  --paper-line: #E4DCC8;
  --ink: #26241F;
  --ink-soft: #6B6558;
  --ink-faint: #A69F8E;
  --indigo: #2C4A6E;
  --indigo-soft: #4C6E93;
  --mustard: #C89B2C;
  --rust: #A8503B;
  --sidebar-bg: #EFE9DA;
  --shadow: 0 1px 2px rgba(38, 36, 31, 0.06), 0 4px 14px rgba(38, 36, 31, 0.06);
  --radius: 3px;
  --tab-1: #E7D9BE;
  --tab-2: #D7E1DA;
  --tab-3: #E2D3E7;
  --tab-4: #F2D8C3;
  --tab-5: #CEDFE7;
  --tab-6: #E7D4D0;
}

[data-theme="dark"] {
  --paper: #1E1C18;
  --paper-raised: #252220;
  --paper-line: #3A362E;
  --ink: #EDE7D9;
  --ink-soft: #B4AC98;
  --ink-faint: #756E5C;
  --sidebar-bg: #17150F;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 4px 14px rgba(0, 0, 0, 0.3);
  --tab-1: #4A4130;
  --tab-2: #33423A;
  --tab-3: #3E3345;
  --tab-4: #4A3A2C;
  --tab-5: #2C3F49;
  --tab-6: #452F2C;
}

* { box-sizing: border-box; }
html, body { height: 100%; }

body {
  margin: 0;
  background: var(--sidebar-bg);
  color: var(--ink);
  font-family: 'Inter', sans-serif;
  -webkit-font-smoothing: antialiased;
  overflow-y: auto; /* Changed from 'hidden' to allow scrolling to the bottom content */
}

.app {
  display: grid;
  grid-template-columns: 220px 1fr;
  grid-template-rows: auto 1fr auto;
  grid-template-areas:
    "brand toolbar"
    "sidebar editor"
    "sidebar status";
  height: 100vh;
}

/* ---------- Brand ---------- */
.brand {
  grid-area: brand;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 16px;
  height: 52px;
  border-bottom: 1px solid var(--paper-line);
  border-right: 1px solid var(--paper-line);
  background: var(--sidebar-bg);
}

.brand .mark {
  width: 20px; height: 20px;
  display: inline-block;
  position: relative;
  flex-shrink: 0;
}

.brand .mark::before {
  content: "";
  position: absolute; inset: 0;
  background: var(--indigo);
  clip-path: polygon(15% 0, 100% 0, 100% 85%, 85% 100%, 0 100%, 0 15%);
}

.brand .mark::after {
  content: "";
  position: absolute; top: 0; right: 0;
  width: 6px; height: 6px;
  background: var(--mustard);
  clip-path: polygon(0 0, 100% 100%, 0 100%);
}

.brand-text {
  font-family: 'Special Elite', monospace;
  font-size: 14px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  white-space: nowrap;
}

/* ---------- Toolbar ---------- */
.toolbar {
  grid-area: toolbar;
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 0 12px;
  height: 52px;
  background: var(--paper);
  border-bottom: 1px solid var(--paper-line);
  overflow-x: auto;
  overflow-y: visible;
  position: relative;
}

.tgroup { display: flex; align-items: center; gap: 2px; flex-shrink: 0; }
.tdiv { width: 1px; height: 22px; background: var(--paper-line); margin: 0 8px; flex-shrink: 0; }

.tbtn {
  width: 32px; height: 32px;
  display: flex; align-items: center; justify-content: center;
  background: transparent; border: 1px solid transparent; border-radius: var(--radius);
  color: var(--ink); cursor: pointer; font-size: 14px; font-family: 'Inter', sans-serif;
  flex-shrink: 0;
}

.tbtn:hover { background: var(--paper-line); }
.tbtn.active { background: var(--indigo); color: #fff; }
.tbtn svg { width: 16px; height: 16px; }

select.tsel {
  height: 32px; border: 1px solid var(--paper-line); border-radius: var(--radius);
  background: var(--paper-raised); color: var(--ink); font-family: 'Inter', sans-serif;
  font-size: 12.5px; padding: 0 6px; cursor: pointer; flex-shrink: 0;
}

select#fontFamily { width: 132px; }
select#fontSize { width: 62px; }

.popover {
  position: absolute; top: 56px; left: 12px; z-index: 40;
  background: var(--paper-raised); border: 1px solid var(--paper-line);
  box-shadow: var(--shadow); border-radius: var(--radius); padding: 10px;
  display: none;
}

.popover.show { display: block; }
.popover.emoji-pop { width: 270px; }
.popover.emoji-pop .grid { display: grid; grid-template-columns: repeat(8, 1fr); gap: 2px; max-height: 180px; overflow-y: auto; }
.popover.emoji-pop .grid button { background: none; border: none; font-size: 17px; cursor: pointer; border-radius: 3px; padding: 4px 0; }
.popover.emoji-pop .grid button:hover { background: var(--paper-line); }

.popover.char-pop { width: 270px; }
.popover.char-pop .grid { display: grid; grid-template-columns: repeat(8, 1fr); gap: 2px; max-height: 180px; overflow-y: auto; }
.popover.char-pop .grid button { background: none; border: none; font-size: 15px; cursor: pointer; border-radius: 3px; padding: 6px 0; font-family: 'JetBrains Mono', monospace; color: var(--ink); }
.popover.char-pop .grid button:hover { background: var(--paper-line); }

.popover.find-pop {
  width: 290px;
  
  /* Overrides to turn it into a centered modal popup */
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 100; /* Ensures it sits above all other layers */
}
.popover.find-pop label { display: block; font-size: 11px; color: var(--ink-soft); margin-bottom: 3px; text-transform: uppercase; letter-spacing: .04em; }
.popover.find-pop input {
  width: 100%; margin-bottom: 8px; padding: 6px 8px; border: 1px solid var(--paper-line);
  border-radius: var(--radius); background: var(--paper); color: var(--ink); font-family: 'Inter', sans-serif; font-size: 13px;
}

.popover.find-pop .row { display: flex; gap: 6px; }
.popover.find-pop .row button {
  flex: 1; padding: 6px 4px; border: 1px solid var(--paper-line); background: var(--paper);
  border-radius: var(--radius); cursor: pointer; font-size: 12px; color: var(--ink); font-family: 'Inter', sans-serif;
}
.popover.find-pop .row button:hover { background: var(--paper-line); }
.popover.find-pop .row button.primary { background: var(--indigo); color: #fff; border-color: var(--indigo); }
.popover .close-x { position: absolute; top: 6px; right: 8px; cursor: pointer; color: var(--ink-faint); font-size: 13px; background: none; border: none; }
.found-count { font-size: 11px; color: var(--ink-soft); margin-top: 2px; }

/* ---------- Sidebar ---------- */
.sidebar {
  grid-area: sidebar;
  background: var(--sidebar-bg);
  border-right: 1px solid var(--paper-line);
  overflow-y: auto;
  padding: 14px 0 14px 10px;
}

.newdoc-btn {
  display: flex; align-items: center; gap: 6px;
  margin: 0 10px 14px 0; padding: 8px 10px;
  background: var(--paper-raised); border: 1px dashed var(--ink-faint);
  border-radius: var(--radius); cursor: pointer; width: calc(100% - 10px);
  font-family: 'Inter', sans-serif; font-size: 12.5px; color: var(--ink-soft);
}
.newdoc-btn:hover { border-color: var(--indigo); color: var(--indigo); }

.doc-tab {
  position: relative;
  display: flex; align-items: center; gap: 8px;
  padding: 10px 26px 10px 12px;
  margin-bottom: 6px;
  background: var(--paper-raised);
  border-top-left-radius: 10px; border-bottom-left-radius: 10px;
  border-top-right-radius: 2px; border-bottom-right-radius: 2px;
  cursor: pointer;
  transform: rotate(var(--tilt, 0deg));
  transform-origin: right center;
  box-shadow: var(--shadow);
  transition: transform .15s ease, margin-right .15s ease;
  margin-right: 8px;
  border-left: 5px solid var(--tab-color, var(--tab-1));
}
.doc-tab:hover { transform: rotate(0deg); margin-right: 0px; }
.doc-tab.active { transform: rotate(0deg); margin-right: 0px; box-shadow: 0 2px 6px rgba(38,36,31,0.15), 0 0 0 1px var(--tab-color, var(--indigo)) inset; }

.doc-tab .title {
  font-size: 12.5px; font-weight: 500; color: var(--ink);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis; flex: 1;
  background: transparent; border: none; font-family: 'Inter', sans-serif; padding: 0;
}
.doc-tab .title:focus { outline: 1px solid var(--indigo); border-radius: 2px; }
.doc-tab .meta { font-size: 10px; color: var(--ink-faint); display: block; margin-top: 2px; }

.doc-tab .del {
  position: absolute; right: 6px; top: 8px;
  width: 16px; height: 16px; border: none; background: none; color: var(--ink-faint);
  cursor: pointer; font-size: 13px; line-height: 1; display: none;
}
.doc-tab:hover .del { display: block; }
.doc-tab .del:hover { color: var(--rust); }

/* ---------- Editor ---------- */
.editor-wrap {
  grid-area: editor;
  overflow-y: auto;
  background: repeating-linear-gradient(var(--paper), var(--paper) 27px, var(--paper-line) 28px);
  background-attachment: local;
  display: flex; justify-content: center;
  padding: 30px 24px 60px;
}

.page {
  width: 100%; max-width: 960px;
  min-height: 100%;
}

#editor {
  outline: none;
  font-family: 'Newsreader', serif;
  font-size: 19px;
  line-height: 28px;
  color: var(--ink);
  min-height: 70vh;
  padding-bottom: 40px;
}

#editor:empty::before {
  content: attr(data-placeholder);
  color: var(--ink-faint);
  pointer-events: none;
}

#editor mark { background: rgba(200, 155, 44, .35); color: inherit; }

/* ---------- Status bar ---------- */
.status {
  grid-area: status;
  display: flex; align-items: center; gap: 16px;
  height: 30px; padding: 0 16px;
  background: var(--paper);
  border-top: 1px solid var(--paper-line);
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px; color: var(--ink-soft);
}
.status .save-state { display: flex; align-items: center; gap: 5px; }
.status .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--ink-faint); }
.status .dot.saved { background: #5C8A5C; }
.status .dot.typing { background: var(--mustard); }
.status .spacer { flex: 1; }

input[type=file] { display: none; }
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-thumb { background: var(--paper-line); border-radius: 6px; }
::-webkit-scrollbar-track { background: transparent; }

@media (max-width: 760px) {
  .app {
    grid-template-columns: 1fr;
    grid-template-areas:
      "brand"
      "toolbar"
      "sidebar"
      "editor"
      "status";
    grid-template-rows: 52px 52px auto 1fr 30px;
  }
  .sidebar {
    border-right: none; border-bottom: 1px solid var(--paper-line);
    display: flex; padding: 10px; overflow-x: auto; overflow-y: hidden; max-height: 78px;
  }
  .newdoc-btn { width: auto; margin: 0 8px 0 0; flex-shrink: 0; }
  .doc-tab { margin-bottom: 0; flex-shrink: 0; width: 140px; transform: none !important; margin-right: 8px !important; }
  .doc-tab .del { display: block; }
  select#fontFamily { width: 100px; }
  .editor-wrap { padding: 18px 16px 40px; }
  #editor { font-size: 17px; line-height: 26px; }
}

@media print {
  .brand, .toolbar, .sidebar, .status { display: none !important; }
  .app { display: block; height: auto; }
  .editor-wrap { background: #fff; padding: 0; overflow: visible; }
  #editor { color: #000; font-size: 13pt; line-height: 1.5; }
}

.external-content-area {
  width: 100%;
  background: var(--paper); /* Adapts cleanly to dark/light theme shifts */
  border-top: 1px solid var(--paper-line);
  padding: 60px 24px;
  display: flex;
  justify-content: center;
}

.external-content-area .content-container {
  width: 100%;
  max-width: 980px; /* Provides a spacious horizontal layout width */
  color: var(--ink);
}

.external-content-area h2 {
  font-family: 'Special Elite', monospace;
  color: var(--indigo);
  margin-top: 0;
}

.external-content-area p {
  font-size: 15px;
  line-height: 1.7;
  color: var(--ink-soft);
}

/* Hide this area when exporting or printing documents */
@media print {
  .external-content-area {
    display: none !important;
  }
}