/* laamourifront — a compact, full-screen notepad. White only. */

:root {
  --bg: #ffffff;
  --fg: #1a1a1a;
  --muted: #6f6f73;
  --line: #e6e6e6;
  --line-strong: #d1d1d1;
  --hover: #f2f2f3;
  --active-bg: #1a1a1a;
  --active-fg: #ffffff;
  --selection: rgba(0, 0, 0, 0.12);
  color-scheme: light;
}

* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--fg);
  font-family: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

main.editor {
  display: flex;
  flex-direction: column;
  height: 100vh;
  height: 100dvh;
  background: var(--bg);
}

/* ---- top bar (info + Save) ---- */

.topbar {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  padding: 8px 12px;
  border-bottom: 1px solid var(--line);
  background: var(--bg);
}

.info-btn {
  width: 28px;
  height: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  cursor: pointer;
  padding: 0;
  font-family: inherit;
}
.info-btn:hover { background: var(--hover); color: var(--fg); }
.info-btn:focus-visible { outline: 2px solid var(--fg); outline-offset: 2px; }

.save-btn {
  margin-left: auto;
  padding: 6px 16px;
  background: var(--active-bg);
  color: var(--active-fg);
  border: 0;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
}
.save-btn:hover { filter: brightness(0.92); }
.save-btn:active { transform: translateY(1px); }
.save-btn:focus-visible { outline: 2px solid var(--fg); outline-offset: 2px; }

/* ---- toolbar ---- */

.toolbar {
  flex: 0 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  padding: 4px 10px;
  border-bottom: 1px solid var(--line);
  background: var(--bg);
  gap: 1px;
}
.toolbar button,
.toolbar select {
  font: inherit;
  font-size: 13px;
  height: 28px;
  min-width: 28px;
  padding: 0 8px;
  background: transparent;
  color: var(--fg);
  border: 0;
  border-radius: 4px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: inherit;
  white-space: nowrap;
}
.toolbar select { padding-left: 8px; padding-right: 4px; }
.toolbar button:hover,
.toolbar select:hover { background: var(--hover); }
.toolbar button:focus-visible,
.toolbar select:focus-visible { outline: 2px solid var(--fg); outline-offset: -2px; }
.toolbar button.on { background: var(--hover); }
.toolbar .b b { font-weight: 700; }
.toolbar .i i { font-style: italic; }
.toolbar .u u { text-decoration: underline; text-underline-offset: 2px; }

.toolbar .sep {
  width: 1px;
  height: 18px;
  background: var(--line-strong);
  margin: 0 4px;
  flex-shrink: 0;
}
.toolbar .caret { font-size: 9px; opacity: 0.6; margin-left: 2px; }

/* popover (used by T and the highlight dropdowns) */
.tool-group { position: relative; display: inline-flex; }
.popover {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  min-width: 160px;
  padding: 4px;
  background: var(--bg);
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.12);
  display: none;
  z-index: 20;
}
.popover.open { display: block; }
.popover button {
  width: 100%;
  height: auto;
  padding: 6px 10px;
  justify-content: flex-start;
  font-size: 13px;
  border-radius: 3px;
  text-align: left;
}
.popover .sw {
  display: inline-block;
  width: 12px;
  height: 12px;
  border-radius: 2px;
  margin-right: 8px;
  vertical-align: -2px;
  border: 1px solid rgba(0, 0, 0, 0.15);
}

/* ---- the page ---- */

.page {
  flex: 1;
  overflow-y: auto;
  padding: 24px 32px 96px;
  font-size: 16px;
  line-height: 1.65;
  outline: none;
  overflow-wrap: break-word;
  color: var(--fg);
  background: var(--bg);
}
.page[hidden] { display: none; }

/* placeholder via :empty + attr() doesn't catch the seeded <p><br></p> — keep a JS-driven placeholder */
.page.is-empty::before {
  content: attr(data-placeholder);
  color: var(--muted);
  pointer-events: none;
  position: absolute;
  margin-top: 24px;
}
.page { position: relative; }

.page p { margin: 0 0 0.6em; }
.page h1 { font-size: 1.7em; margin: 0.9em 0 0.4em; font-weight: 700; line-height: 1.25; }
.page h2 { font-size: 1.35em; margin: 0.8em 0 0.4em; font-weight: 600; line-height: 1.3; }
.page blockquote {
  margin: 0.6em 0;
  padding: 0 0 0 14px;
  border-left: 3px solid var(--line-strong);
  color: var(--muted);
}
.page pre {
  margin: 0.6em 0;
  padding: 10px 14px;
  background: var(--hover);
  border-radius: 4px;
  font-family: ui-monospace, "SF Mono", "Cascadia Code", Consolas, monospace;
  font-size: 0.85em;
  white-space: pre-wrap;
}
.page ul, .page ol { padding-left: 1.6em; margin: 0.6em 0; }
.page .checklist { list-style: none; padding-left: 0; }
.page .checklist li { display: flex; align-items: flex-start; gap: 8px; margin-bottom: 4px; }
.page .checklist input { margin-top: 6px; }
.page a { color: var(--fg); }
.page hr { border: 0; border-top: 1px solid var(--line); margin: 1em 0; }
.page img { max-width: 100%; height: auto; }
.page table { border-collapse: collapse; margin: 0.6em 0; }
.page table td, .page table th {
  border: 1px solid var(--line-strong);
  padding: 6px 10px;
  min-width: 60px;
  vertical-align: top;
}

/* rich selection feeling */
.page ::selection { background: var(--selection); }

/* ---- source (HTML) view ---- */

.source {
  flex: 1;
  width: 100%;
  background: var(--bg);
  color: var(--fg);
  border: 0;
  outline: none;
  resize: none;
  padding: 24px 32px;
  font-family: ui-monospace, "SF Mono", "Cascadia Code", Consolas, monospace;
  font-size: 13px;
  line-height: 1.55;
  display: block;
}
.source[hidden] { display: none; }

/* ---- toast ---- */

.toast {
  position: fixed;
  bottom: 16px;
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  background: var(--active-bg);
  color: var(--active-fg);
  font-size: 13px;
  padding: 8px 16px;
  border-radius: 999px;
  pointer-events: none;
  opacity: 0;
  transition: opacity .2s ease, transform .2s ease;
  z-index: 100;
}
.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ---- responsive ---- */

@media (max-width: 600px) {
  .topbar { padding: 6px 8px; }
  .toolbar { padding: 4px 8px; }
  .page { padding: 16px 18px 64px; }
  .toolbar .sep { margin: 0 2px; }
  .toolbar button,
  .toolbar select { padding: 0 6px; }
  .toolbar select { padding-right: 2px; }
}

@media (prefers-reduced-motion: reduce) {
  .toast { transition: opacity .1s ease; }
  .save-btn { transition: none; }
}