/* Summarum UI styles. */
:root {
  --font: "Segoe UI", system-ui, sans-serif;
  --mono: "Cascadia Code", "Consolas", monospace;
  --editor-font-size: 15px;
}

[data-theme="light"] {
  color-scheme: light;
  --bg: #ffffff;
  --bg-soft: #f5f5f4;
  --fg: #3d3d3d;
  --fg-muted: #9b9b97;
  --accent: #d57d2c;
  --result: #d57d2c;
  --number: #2a72b5;
  --unit: #3f9b56;
  --operator: #777770;
  --comment: #b0b0aa;
  --header-bg: #f0efec;
  --border: #e4e4e0;
  --sel: #cfe3f7;
  --caret: #d57d2c;
  --toolbar-bg: #fafaf8;
  --hover: #ececea;
}

[data-theme="dark"] {
  color-scheme: dark;
  --bg: #1e1f22;
  --bg-soft: #26272b;
  --fg: #d6d6d1;
  --fg-muted: #6f7076;
  --accent: #e8923c;
  --result: #e8923c;
  --number: #6cb2f0;
  --unit: #6fc784;
  --operator: #9a9aa0;
  --comment: #5c5d63;
  --header-bg: #2b2c31;
  --border: #333438;
  --sel: #2d4a68;
  --caret: #e8923c;
  --toolbar-bg: #232428;
  --hover: #2f3035;
}

* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--fg);
  overflow: hidden;
  user-select: none;
}

#app { display: flex; height: 100vh; }

/* ---------- sidebar */
#sidebar {
  width: 180px;
  min-width: 180px;
  background: var(--bg-soft);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  padding: 6px;
}
#sidebar.hidden { display: none; }
#doc-list { flex: 1; overflow-y: auto; }
.doc-item {
  padding: 7px 10px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 13px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  display: flex;
  align-items: center;
  gap: 6px;
}
.doc-item:hover { background: var(--hover); }
.doc-item.active { background: var(--sel); }
.doc-item .del {
  margin-left: auto;
  opacity: 0;
  color: var(--fg-muted);
  border: none;
  background: none;
  cursor: pointer;
  font-size: 12px;
  border-radius: 4px;
  padding: 2px 6px;
}
.doc-item:hover .del { opacity: 1; }
.doc-item .del.confirm {
  opacity: 1;
  background: #d63a3a;
  color: #fff;
}
#new-doc {
  border: 1px dashed var(--border);
  background: none;
  color: var(--fg-muted);
  border-radius: 6px;
  padding: 6px;
  cursor: pointer;
  font-size: 15px;
}
#new-doc:hover { background: var(--hover); }

/* ---------- main */
#content { flex: 1; display: flex; flex-direction: column; min-width: 0; }

#titlebar {
  display: flex;
  align-items: center;
  gap: 4px;
  height: 36px;
  padding: 0 0 0 6px;
  background: var(--toolbar-bg);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
#titlebar button {
  border: none;
  background: none;
  color: var(--fg-muted);
  font-size: 14px;
  cursor: pointer;
  padding: 4px 9px;
  border-radius: 5px;
}
#titlebar button:hover { background: var(--hover); color: var(--fg); }
#doc-title {
  border: 1px solid transparent;
  background: transparent;
  color: var(--fg);
  font-family: var(--font);
  font-size: 13px;
  padding: 4px 8px;
  border-radius: 5px;
  width: 170px;
  outline: none;
}
#doc-title:hover { background: var(--hover); }
#doc-title:focus { background: var(--bg); border-color: var(--border); }
.spacer { flex: 1; height: 100%; }
#rates-status { font-size: 11px; color: var(--fg-muted); }

#win-controls { display: flex; height: 100%; margin-left: 2px; }
#win-controls button {
  height: 100%;
  width: 42px;
  border-radius: 0;
  font-size: 12px;
  padding: 0;
}
#win-close:hover { background: #d63a3a !important; color: #fff !important; }

/* ---------- status bar (total of all results on the sheet) */
#statusbar {
  display: flex;
  align-items: center;
  height: 28px;
  padding: 0 14px;
  background: var(--toolbar-bg);
  border-top: 1px solid var(--border);
  flex-shrink: 0;
  gap: 8px;
}
#rates-info {
  font-size: 11.5px;
  color: var(--fg-muted);
  cursor: pointer;
  white-space: nowrap;
}
#rates-info:hover { color: var(--fg); }
#rates-info.spin { opacity: 0.5; pointer-events: none; }
#total-line {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--result);
  cursor: pointer;
}
#total-line:hover { text-decoration: underline; }
#total-line .total-label { color: var(--fg-muted); font-family: var(--font); margin-right: 8px; }

/* ---------- export */
#export-wrap { position: relative; }
#export-btn {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--fg-muted);
  font-size: 15px;
  padding: 0 4px;
  line-height: 1;
}
#export-btn:hover { color: var(--fg); }
#export-menu {
  position: absolute;
  bottom: calc(100% + 6px);
  right: 0;
  background: var(--toolbar-bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.18);
  min-width: 160px;
  padding: 4px 0;
  z-index: 100;
}
#export-menu.hidden { display: none; }
#export-menu button {
  display: block;
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  padding: 7px 14px;
  font-size: 13px;
  color: var(--fg);
  cursor: pointer;
  font-family: var(--font);
}
#export-menu button:hover { background: var(--hover); }

@media print {
  #titlebar, #statusbar, #sidebar { display: none !important; }
  #content { display: block; }
  #editor-wrap { overflow: visible; height: auto; }
}

/* ---------- editor + results */
#editor-wrap { position: relative; flex: 1; overflow: hidden; --results-width: 42%; }
#editor { height: 100%; }

/* draggable boundary of the results column */
#col-divider {
  position: absolute;
  top: 0;
  bottom: 0;
  right: var(--results-width);
  width: 7px;
  margin-right: -3px;
  cursor: col-resize;
  z-index: 10;
}
#col-divider::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 3px;
  width: 1px;
  background: var(--border);
}
#col-divider:hover::after, #col-divider.dragging::after {
  width: 2px;
  background: var(--accent);
}

.cm-editor { height: 100%; background: var(--bg); }
.cm-editor.cm-focused { outline: none; }
.cm-scroller {
  font-family: var(--mono);
  font-size: var(--editor-font-size);
  line-height: 1.7;
  padding: 12px 0;
}
/* layout paddings for .cm-content live in the CM theme (editor.ts) —
   runtime-injected CM base styles would override them here */
.cm-content {
  caret-color: var(--caret);
  color: var(--fg);
}
.cm-line { padding: 0; }
.cm-cursor { border-left-color: var(--caret); }
.cm-selectionBackground, .cm-content ::selection { background: var(--sel) !important; }
.cm-activeLine { background: transparent; }

/* token colors */
.tok-number { color: var(--number); }
.tok-unit { color: var(--unit); }
.tok-op { color: var(--operator); }
.tok-comment { color: var(--comment); font-style: italic; }
.tok-header { color: var(--fg); font-weight: 600; }
.tok-var { color: var(--accent); }
.tok-var-active {
  background: color-mix(in srgb, var(--accent) 22%, transparent);
  border-radius: 3px;
}

/* results overlay */
#results {
  position: absolute;
  top: 0;
  right: 0;
  width: var(--results-width);
  height: 100%;
  pointer-events: none;
  overflow: hidden;
}
.result-line {
  position: absolute;
  right: 14px;
  max-width: calc(100% - 14px);
  font-family: var(--mono);
  font-size: var(--editor-font-size);
  line-height: 1.7;
  color: var(--result);
  background: var(--bg);
  padding: 0 6px;
  border-radius: 4px;
  cursor: pointer;
  pointer-events: auto;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.result-line:hover { text-decoration: underline; }
.result-sparkline {
  position: absolute;
  right: 14px;
  pointer-events: none;
  opacity: 0.85;
}

/* ---------- settings */
#settings-panel {
  position: absolute;
  top: 36px;
  right: 8px;
  width: 280px;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 10px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.25);
  padding: 14px;
  z-index: 50;
}
#settings-panel.hidden { display: none; }
#settings-panel h2 { margin: 0 0 10px; font-size: 14px; }
#settings-panel label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12.5px;
  margin: 8px 0;
  gap: 8px;
}
#settings-panel label.row { justify-content: flex-start; }
#settings-panel input[type="number"], #settings-panel input[type="text"], #settings-panel select {
  background: var(--bg);
  color: var(--fg);
  border: 1px solid var(--border);
  border-radius: 5px;
  padding: 4px 6px;
  font-size: 12.5px;
  width: 110px;
}
.path-btn {
  background: var(--bg);
  color: var(--fg);
  border: 1px solid var(--border);
  border-radius: 5px;
  padding: 4px 8px;
  font-size: 11.5px;
  width: 130px;
  cursor: pointer;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  text-align: left;
}
.path-btn:hover { background: var(--hover); }

.settings-footer { display: flex; justify-content: space-between; gap: 6px; margin-top: 12px; }
.settings-footer button {
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--fg);
  border-radius: 6px;
  padding: 5px 12px;
  cursor: pointer;
  font-size: 12.5px;
}
.settings-footer button:hover { background: var(--hover); }

/* ---------- toast */
#toast {
  position: fixed;
  bottom: 18px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--fg);
  color: var(--bg);
  font-size: 12.5px;
  padding: 6px 14px;
  border-radius: 14px;
  opacity: 0.92;
  z-index: 100;
  transition: opacity 0.2s;
}
#toast.hidden { opacity: 0; pointer-events: none; }

/* ---------- modal (data folder conflict etc.) */
#modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 200;
}
#modal.hidden { display: none; }
.modal-box {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px;
  max-width: 320px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.35);
}
.modal-box p { margin: 0 0 14px; font-size: 13px; line-height: 1.5; }
.modal-btns { display: flex; gap: 8px; justify-content: flex-end; }
.modal-btns button {
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--fg);
  border-radius: 6px;
  padding: 5px 12px;
  cursor: pointer;
  font-size: 12.5px;
}
.modal-btns button:hover { background: var(--hover); }
.modal-btns button.primary { background: var(--accent); color: #fff; border-color: var(--accent); }

/* ---------- search-all-sheets overlay */
#search-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: 12%;
  z-index: 200;
}
#search-overlay.hidden { display: none; }
.search-box {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 10px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.35);
  width: min(440px, 90vw);
  max-height: 60vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
#search-input {
  border: none;
  border-bottom: 1px solid var(--border);
  background: transparent;
  color: var(--fg);
  padding: 12px 14px;
  font-size: 14px;
  outline: none;
}
#search-results { overflow-y: auto; padding: 6px; }
.search-item {
  padding: 7px 10px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 13px;
}
.search-item:hover { background: var(--hover); }
.search-item .doc { color: var(--fg-muted); font-size: 11px; margin-bottom: 2px; }
.search-item .line { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.search-empty { padding: 10px; color: var(--fg-muted); font-size: 13px; }

/* autocomplete */
.cm-tooltip.cm-tooltip-autocomplete {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}
.cm-tooltip-autocomplete ul li { font-family: var(--mono); font-size: 13px; color: var(--fg); }
.cm-tooltip-autocomplete ul li[aria-selected] { background: var(--sel); color: var(--fg); }