/* Mortar Mode — scoped .mm- styles. Dark, high contrast, glove-sized touch
   targets. Lives entirely inside #mortar-root; never leaks into the quiz. */

#mortar-root {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: #000;
  color: #fff;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

#mortar-root[hidden] {
  display: none;
}

/* Whole-screen state cues — visible from arm's length. */
#mortar-root.mm-green {
  background: #00c853;
  color: #000;
}

#mortar-root.mm-danger {
  background: #d50000;
  color: #fff;
}

.mm-wrap {
  max-width: 640px;
  min-height: 100%;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 16px;
  padding-top: max(16px, env(safe-area-inset-top));
  padding-bottom: max(24px, env(safe-area-inset-bottom));
  padding-left: max(16px, env(safe-area-inset-left));
  padding-right: max(16px, env(safe-area-inset-right));
}

.mm-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.mm-title {
  font-weight: 800;
  font-size: 1.1rem;
  letter-spacing: 0.14em;
}

.mm-x {
  background: transparent;
  color: inherit;
  border: 2px solid currentColor;
  min-width: 48px;
  min-height: 48px;
  font-size: 1.2rem;
  font-family: inherit;
  cursor: pointer;
  touch-action: manipulation;
}

.mm-view {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.mm-view[hidden] {
  display: none;
}

/* --- Buttons --- */
.mm-btn {
  background: #fff;
  color: #000;
  border: 2px solid #fff;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 700;
  padding: 14px 20px;
  min-height: 52px;
  cursor: pointer;
  touch-action: manipulation;
  overflow-wrap: break-word;
}

.mm-btn:active {
  opacity: 0.65;
}

.mm-btn-big {
  font-size: 1.25rem;
  padding: 20px;
}

.mm-btn-small {
  background: transparent;
  color: inherit;
  border-color: currentColor;
  font-size: 0.85rem;
  padding: 10px 14px;
  min-height: 44px;
}

.mm-back {
  align-self: flex-start;
}

/* --- Text --- */
.mm-note {
  color: #888;
  font-size: 0.85rem;
  text-align: left;
}

#mortar-root.mm-green .mm-note {
  color: rgba(0, 0, 0, 0.6);
}

.mm-hint {
  color: #888;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  text-align: center;
}

.mm-h {
  font-size: 0.85rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-top: 10px;
}

/* --- Inputs --- */
#mortar-root input {
  background: transparent;
  color: inherit;
  border: 2px solid currentColor;
  border-radius: 0;
  font-family: inherit;
  font-size: 1rem; /* ≥16px so iOS doesn't zoom the page on focus */
  padding: 12px;
  min-height: 48px;
  width: 100%;
}

#mortar-root input::placeholder {
  color: #666;
}

.mm-row {
  display: flex;
  gap: 10px;
}

.mm-row input {
  flex: 1;
  min-width: 0;
}

.mm-form {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

/* --- Aim: live readout --- */
.mm-live {
  display: flex;
  flex-direction: column;
  gap: 8px;
  text-align: center;
}

.mm-live[hidden] {
  display: none;
}

.mm-angle-now {
  font-size: clamp(5rem, 30vw, 9rem); /* the "120 pt" eyes-up readout */
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
}

.mm-target-line {
  font-size: 1.2rem;
  font-weight: 700;
  min-height: 1.4em;
}

.mm-arrow {
  font-size: 1.3rem;
  font-weight: 800;
  min-height: 1.6em;
}

.mm-steady {
  background: #d50000;
  color: #fff;
  font-weight: 800;
  letter-spacing: 0.1em;
  padding: 8px;
}

.mm-steady[hidden] {
  display: none;
}

.mm-live-btns {
  display: flex;
  gap: 10px;
  justify-content: center;
  flex-wrap: wrap;
}

/* --- Aim: solution + errors --- */
.mm-err {
  border: 2px solid #d50000;
  color: #ff5252;
  font-weight: 800;
  padding: 12px;
  text-align: center;
}

.mm-err[hidden] {
  display: none;
}

.mm-denied {
  border: 2px solid #ff9800;
  color: #ffb74d;
  font-size: 0.9rem;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  text-align: left;
}

.mm-denied[hidden] {
  display: none;
}

.mm-solution {
  border: 2px solid currentColor;
  padding: 12px;
  text-align: center;
}

.mm-solution[hidden] {
  display: none;
}

.mm-sol-name {
  font-size: 0.9rem;
  font-weight: 700;
  color: #bbb;
}

#mortar-root.mm-green .mm-sol-name {
  color: rgba(0, 0, 0, 0.6);
}

.mm-sol-angle {
  font-size: 2.4rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.mm-sol-meta {
  font-size: 0.85rem;
  color: #888;
}

#mortar-root.mm-green .mm-sol-meta {
  color: rgba(0, 0, 0, 0.6);
}

/* --- Aim: target tiles --- */
.mm-tiles {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.mm-tile {
  background: transparent;
  color: inherit;
  border: 2px solid currentColor;
  font-family: inherit;
  text-align: left;
  padding: 12px;
  min-height: 76px;
  cursor: pointer;
  touch-action: manipulation;
}

.mm-tile.selected {
  background: #fff;
  color: #000;
}

#mortar-root.mm-green .mm-tile.selected {
  background: #000;
  color: #fff;
}

.mm-tile-name {
  font-weight: 800;
  font-size: 1rem;
  overflow-wrap: break-word;
}

.mm-tile-dist {
  font-size: 1.4rem;
  font-weight: 800;
}

.mm-tile-pos {
  font-size: 0.75rem;
  opacity: 0.65;
}

/* --- Target registry list --- */
.mm-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.mm-trow {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  border: 2px solid currentColor;
  padding: 12px;
  text-align: left;
}

.mm-trow-info {
  font-weight: 700;
  overflow-wrap: break-word;
  min-width: 0;
}

/* --- Calibration --- */
.mm-cal-live {
  display: flex;
  flex-direction: column;
  gap: 10px;
  text-align: center;
}

.mm-cal-live[hidden] {
  display: none;
}

.mm-cal-pitch {
  font-size: 1.6rem;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
}