:root {
  --fg: #111;
  --bg: #fff;
  --done: #d7263d;
  --ui-fg: #222;
  --ui-bg: rgba(255, 255, 255, 0.92);
  --ui-border: rgba(0, 0, 0, 0.18);
  --accent: #c2410c;
}

/* Always an opaque background: PowerPoint draws a snapshot image of the add-in behind it,
   and a transparent page lets a stale snapshot show through as "ghost" digits. */
.theme-light { --fg: #111; --bg: #fff; }
.theme-dark  { --fg: #fff; --bg: #111; }

* { box-sizing: border-box; }

html, body {
  margin: 0;
  height: 100%;
  overflow: hidden;
  background: var(--bg);
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

.app {
  height: 100%;
  display: flex;
  flex-direction: column;
  background: var(--bg);
}

/* ---- The timer face (font size is set in px by timer.js to fit this box) ---- */
.display {
  flex: 1 1 auto;
  min-height: 0;
  width: 100%;
  margin: 0;
  padding: 0;
  border: 0;
  background: none;
  color: var(--fg);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  -webkit-tap-highlight-color: transparent;
}
.display:focus { outline: none; }
.view-edit .display:focus-visible { outline: 2px dashed var(--accent); outline-offset: -4px; }

.digits {
  font-size: 48px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  line-height: 1;
  letter-spacing: -0.02em;
  white-space: nowrap;
  user-select: none;
  -webkit-user-select: none;
}

.measure {
  position: absolute;
  visibility: hidden;
  left: 0;
  top: 0;
  font-size: 100px;
}

.paused .digits { opacity: 0.55; }
.done .digits   { color: var(--done); animation: pulse 1s ease-in-out 3; }

@keyframes pulse {
  50% { opacity: 0.35; }
}

/* ---- Config row: only visible while editing the deck ---- */
.config {
  flex: 0 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 6px;
  font-size: 12px;
  color: var(--ui-fg);
  background: var(--ui-bg);
  border-top: 1px solid var(--ui-border);
}

/* Hidden until PowerPoint confirms we're in edit view, so a slideshow never shows it. */
body:not(.view-edit) .config { display: none; }

.field { display: inline-flex; align-items: center; gap: 3px; }
.field input {
  width: 3.6em;
  padding: 2px 4px;
  font: inherit;
  border: 1px solid var(--ui-border);
  border-radius: 4px;
}

.field input[type="checkbox"] { width: auto; margin: 0; accent-color: var(--accent); }

.presets { display: inline-flex; gap: 2px; }
.presets button, .config select {
  font: inherit;
  padding: 2px 7px;
  border: 1px solid var(--ui-border);
  border-radius: 4px;
  background: #fff;
  color: var(--ui-fg);
  cursor: pointer;
}
.presets button:hover { border-color: var(--accent); color: var(--accent); }
.presets button[aria-pressed="true"] { background: var(--accent); border-color: var(--accent); color: #fff; }

/* Too small for a config row? Hide it; the digits matter more. */
@media (max-height: 70px) {
  .config { display: none; }
}