/* Spad Editor PWA — theme variables and layout */

:root {
  --bg: #ffffff;
  --fg: #1d1d1f;
  --toolbar-bg: #f5f5f7;
  --border: #d8d8dc;
  --gutter-bg: #f5f5f7;
  --gutter-fg: #9a9aa0;
  --strong-border: #b0b0b6;
  --caret: #1d1d1f;
  --selection: rgba(0, 122, 255, 0.28);
  --find-bg: rgba(255, 214, 10, 0.45);
  --find-current-bg: rgba(255, 149, 0, 0.7);
  --accent: #5b7cfa;

  /* Markdown token colors */
  --md-header: #2f6bd6;
  --md-code: #c2185b;
  --md-code-bg: rgba(128, 128, 128, 0.14);
  --md-link: #0a84c2;
  --md-quote: #7a7a80;
  --md-list: #e07b00;
  --md-rule: #a0a0a6;
  --md-task: #1f9e4a;

  --editor-font: Monaco, Menlo, "Courier New", monospace;
  --editor-size: 15px;
  --line-height: 1.5;
}

body[data-theme="system"] {
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  body[data-theme="system"] {
    --bg: #1e1e1e;
    --fg: #e6e6e6;
    --toolbar-bg: #2a2a2a;
    --border: #3a3a3a;
    --gutter-bg: #252525;
    --gutter-fg: #7a7a7a;
    --strong-border: #555555;
    --caret: #e6e6e6;
    --selection: rgba(10, 132, 255, 0.4);
    --md-header: #6ea8ff;
    --md-code: #ff8ab3;
    --md-quote: #9a9aa0;
    --md-rule: #6a6a70;
  }
}

body[data-theme="solarized"] {
  --bg: #fdf6e3;
  --fg: #657b83;
  --toolbar-bg: #eee8d5;
  --border: #ddd6c1;
  --gutter-bg: #eee8d5;
  --gutter-fg: #93a1a1;
  --strong-border: #c9c1ab;
  --caret: #268bd2;
  --selection: rgba(38, 139, 210, 0.25);
  --md-header: #268bd2;
  --md-code: #d33682;
  --md-link: #2aa198;
  --md-quote: #93a1a1;
  --md-list: #cb4b16;
}

body[data-theme="high-contrast"] {
  color-scheme: dark;
  --bg: #000000;
  --fg: #ffffff;
  --toolbar-bg: #111111;
  --border: #444444;
  --gutter-bg: #0a0a0a;
  --gutter-fg: #b0b0b0;
  --strong-border: #808080;
  --caret: #ffd60a;
  --selection: rgba(10, 132, 255, 0.55);
  --md-header: #6ea8ff;
  --md-code: #ff8ab3;
  --md-link: #40c8e0;
  --md-quote: #c0c0c0;
  --md-list: #ffb020;
  --md-rule: #808080;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  height: 100%;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--fg);
}

body {
  display: flex;
  flex-direction: column;
  height: 100vh;
  overflow: hidden;
}

/* Toolbar */
.toolbar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  background: var(--toolbar-bg);
  border-bottom: 2px solid var(--strong-border);
  flex-wrap: wrap;
}
/* Clean monochrome line icons */
.toolbar button svg {
  width: 16px;
  height: 16px;
  display: block;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.toolbar select,
.toolbar input[type="number"] {
  background: var(--bg);
  color: var(--fg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 3px 6px;
  font-size: 13px;
}
.hd-file {
  font-size: 12px;
  font-weight: 600;
  max-width: 200px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.hd-file.dirty { color: var(--accent); }
.hd-clock {
  font-size: 15px;
  font-weight: 600;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
  margin-left: 8px;
  white-space: nowrap;
}
#font-family { max-width: 190px; }
#font-size { width: 56px; }
.toolbar .size { display: flex; align-items: center; gap: 4px; font-size: 12px; color: var(--fg); opacity: 0.8; }
.toolbar button {
  background: var(--bg);
  color: var(--fg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 4px 8px;
  font-size: 13px;
  cursor: pointer;
  line-height: 1;
}
.toolbar button:hover { border-color: var(--accent); }
.toolbar button.toggle.active { background: var(--accent); color: #fff; border-color: var(--accent); }
.divider { width: 1px; height: 20px; background: var(--border); margin: 0 2px; }
.spacer { flex: 1; }
.hidden { display: none !important; }

/* Find bar */
.find-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  background: var(--toolbar-bg);
  border-bottom: 1px solid var(--border);
}
.find-bar input {
  background: var(--bg);
  color: var(--fg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 4px 8px;
  font-size: 13px;
  min-width: 180px;
}
.find-bar button {
  background: var(--bg);
  color: var(--fg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 4px 8px;
  cursor: pointer;
  font-size: 12px;
}
.find-bar button.toggle.active { background: var(--accent); color: #fff; border-color: var(--accent); }
.find-count { font-size: 12px; opacity: 0.7; min-width: 70px; }
.replace-row { display: flex; gap: 6px; width: 100%; }

/* AI progress */
.ai-bar {
  display: flex; align-items: center; gap: 8px;
  padding: 5px 12px; font-size: 13px;
  background: var(--toolbar-bg); border-bottom: 1px solid var(--border);
  color: var(--fg);
}
.spinner {
  width: 14px; height: 14px; border: 2px solid var(--border);
  border-top-color: var(--accent); border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* Editor area */
.editor {
  flex: 1;
  display: flex;
  overflow: hidden;
  min-height: 0;
}
.gutter {
  overflow: hidden;
  background: var(--gutter-bg);
  color: var(--gutter-fg);
  border-right: 1px solid var(--border);
  text-align: right;
  padding: 8px 8px 8px 12px;
  font-family: var(--editor-font);
  font-size: var(--editor-size);
  line-height: var(--line-height);
  white-space: pre;
  user-select: none;
  font-variant-numeric: tabular-nums;
}
.gutter .cur { color: var(--fg); }
.gutter .match { color: var(--md-list); }

.edit-wrap {
  position: relative;
  flex: 1;
  overflow: hidden;
}

/* Shared metrics for the three stacked layers */
.layer, #text {
  margin: 0;
  border: 0;
  padding: 8px 12px;
  font-family: var(--editor-font);
  font-size: var(--editor-size);
  line-height: var(--line-height);
  letter-spacing: 0;
  tab-size: 4;
  white-space: pre;
  word-wrap: normal;
  overflow-wrap: normal;
}

.layer {
  position: absolute;
  inset: 0;
  overflow: hidden; /* we sync scroll from the textarea; no own scrollbars */
  pointer-events: none;
  color: var(--fg);
  background: transparent;
}
.layer code { font: inherit; white-space: inherit; }

.find-layer { z-index: 1; color: transparent; }

#text {
  position: absolute;
  inset: 0;
  z-index: 2;
  resize: none;
  overflow: auto;
  background: transparent;
  color: var(--fg);
  caret-color: var(--caret);
  outline: none;
}
#text::selection { background: var(--selection); }

/* Find marks (drawn on the transparent find layer, backgrounds only) */
.find-layer mark { background: var(--find-bg); color: transparent; border-radius: 2px; }
.find-layer mark.current { background: var(--find-current-bg); }

/* Status bar */
.statusbar {
  display: flex;
  gap: 16px;
  padding: 4px 12px;
  font-size: 11px;
  background: var(--toolbar-bg);
  border-top: 2px solid var(--strong-border);
  color: var(--fg);
  opacity: 0.85;
  font-variant-numeric: tabular-nums;
}

/* Modals */
.modal-backdrop {
  position: fixed; inset: 0; background: rgba(0,0,0,0.35);
  display: flex; align-items: center; justify-content: center; z-index: 100;
}
.modal {
  background: var(--bg); color: var(--fg);
  border: 1px solid var(--border); border-radius: 12px;
  padding: 18px; min-width: 360px; max-width: 90vw; max-height: 85vh; overflow: auto;
  box-shadow: 0 12px 40px rgba(0,0,0,0.3);
}
.modal h2 { margin: 0 0 10px; font-size: 15px; }
.modal textarea {
  width: 100%; min-height: 200px; font-family: var(--editor-font);
  font-size: 13px; border: 1px solid var(--border); border-radius: 8px;
  padding: 8px; background: var(--bg); color: var(--fg);
}
.modal .row { display: flex; gap: 8px; justify-content: flex-end; margin-top: 12px; }
.modal button {
  padding: 6px 14px; border-radius: 8px; border: 1px solid var(--border);
  background: var(--bg); color: var(--fg); cursor: pointer;
}
.modal button.primary { background: var(--accent); color: #fff; border-color: var(--accent); }
.modal .shortcut-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 6px 0; border-bottom: 1px solid var(--border); }
.modal .shortcut-row .key { font-family: var(--editor-font); border: 1px solid var(--border); border-radius: 6px; padding: 3px 8px; min-width: 90px; text-align: center; cursor: pointer; }
.modal .shortcut-row .key.recording { color: var(--accent); border-color: var(--accent); }
.modal input[type="text"] { background: var(--bg); color: var(--fg); border: 1px solid var(--border); border-radius: 6px; padding: 5px 8px; }

/* Soft wrap */
body.wrap-on .layer,
body.wrap-on #text { white-space: pre-wrap; overflow-wrap: break-word; }
body.wrap-on #text { overflow-x: hidden; }
body.wrap-on .gutter { display: none; }

/* Dirty state on the Save button */
.toolbar button.dirty { color: var(--accent); border-color: var(--accent); }

/* Transient toast */
.toast {
  position: fixed;
  bottom: 44px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--fg);
  color: var(--bg);
  padding: 6px 14px;
  border-radius: 8px;
  font-size: 12px;
  z-index: 300;
  opacity: 0.95;
  pointer-events: none;
}

/* Print */
#print-area { display: none; }
@media print {
  body > *:not(#print-area) { display: none !important; }
  #print-area {
    display: block;
    white-space: pre-wrap;
    word-break: break-word;
    font-family: var(--editor-font);
    font-size: 11pt;
    line-height: 1.4;
    color: #000;
    margin: 0;
  }
}

/* Custom right-click menu */
.ctx-menu {
  position: fixed;
  z-index: 200;
  min-width: 190px;
  background: var(--bg);
  color: var(--fg);
  border: 1px solid var(--strong-border);
  border-radius: 8px;
  padding: 4px;
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.3);
  font-size: 13px;
  user-select: none;
}
.ctx-menu .item {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 6px 10px;
  border-radius: 6px;
  cursor: pointer;
  white-space: nowrap;
}
.ctx-menu .item:hover:not(.disabled) { background: var(--accent); color: #fff; }
.ctx-menu .item.disabled { opacity: 0.4; cursor: default; }
.ctx-menu .item .hint { opacity: 0.6; font-size: 11px; }
.ctx-menu .sep { height: 1px; background: var(--border); margin: 4px 6px; }
.ctx-menu .label { padding: 4px 10px 2px; font-size: 11px; opacity: 0.6; }