/* Minesweeper for Game Lab. Obsidian field, Cyber Yellow instruments. */

@font-face {
  font-family: 'Martian Mono';
  font-style: normal;
  font-display: swap;
  font-weight: 400;
  src: url(../fonts/martian-mono-latin-400-normal.woff2) format('woff2');
}
@font-face {
  font-family: 'Martian Mono';
  font-style: normal;
  font-display: swap;
  font-weight: 500;
  src: url(../fonts/martian-mono-latin-500-normal.woff2) format('woff2');
}
@font-face {
  font-family: 'Martian Mono';
  font-style: normal;
  font-display: swap;
  font-weight: 800;
  src: url(../fonts/martian-mono-latin-800-normal.woff2) format('woff2');
}

:root {
  --ink: #09090b;
  --panel: #111217;
  --panel-2: #17181f;
  --line: #26272f;
  --line-2: #34353f;
  --text: #ececf1;
  --muted: #a3a3ae; /* 7.9:1 on --ink */
  --accent: #facc15;
  --accent-ink: #1a1400;
  --danger: #ff5d5d;
  --ok: #4ade80;

  --tile: #2a2b36;
  --tile-hi: #3d3e4c;
  --tile-lo: #191a21;
  --open: #0f1014;
  --open-line: #1d1e25;

  --n1: #6cb6ff;
  --n2: #4ade80;
  --n3: #ff7a6b;
  --n4: #c4a5ff;
  --n5: #fb923c;
  --n6: #2dd4bf;
  --n7: #f4f4f5;
  --n8: #a1a1aa;

  --cell: 32px;
  --mono: 'Martian Mono', ui-monospace, 'SFMono-Regular', Menlo, Consolas, monospace;
  --radius: 12px;
  color-scheme: dark;
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
  margin: 0;
}

body {
  background:
    radial-gradient(1200px 500px at 50% -10%, rgba(250, 204, 21, 0.07), transparent 70%),
    repeating-linear-gradient(0deg, transparent 0 31px, rgba(255, 255, 255, 0.018) 31px 32px),
    repeating-linear-gradient(90deg, transparent 0 31px, rgba(255, 255, 255, 0.018) 31px 32px),
    var(--ink);
  color: var(--text);
  font: 500 14px/1.45 var(--mono);
  overflow: hidden;
  -webkit-tap-highlight-color: transparent;
}

button,
input,
select {
  font: inherit;
  color: inherit;
}

button {
  cursor: pointer;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

/* ---------- Layout ---------- */

.app {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  grid-template-rows: auto auto auto minmax(0, 1fr) auto;
  gap: 10px;
  height: 100vh;
  height: 100dvh;
  max-width: 1180px;
  margin: 0 auto;
  padding: max(8px, env(safe-area-inset-top)) max(12px, env(safe-area-inset-right)) max(10px, env(safe-area-inset-bottom))
    max(12px, env(safe-area-inset-left));
}

.top {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  min-height: 38px;
}

.brand {
  margin: 0 auto 0 0;
  display: flex;
  align-items: center;
  gap: 8px;
  font: 800 15px/1 var(--mono);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  white-space: nowrap;
}

.brand svg {
  width: 22px;
  height: 22px;
  flex: none;
}

.brand b {
  color: var(--accent);
  font-weight: 800;
}

.icon-btn {
  display: inline-grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border: 1px solid var(--line-2);
  border-radius: 10px;
  background: var(--panel);
  color: var(--text);
}

.icon-btn:hover {
  border-color: var(--accent);
}

.icon-btn svg {
  width: 18px;
  height: 18px;
}

/* Mode picker: one segmented strip on wide screens, 3x2 on phones */
.modes {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 4px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
}

.mode {
  min-height: 36px;
  padding: 4px 6px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: var(--muted);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.04em;
  line-height: 1.15;
}

.mode small {
  display: block;
  font-size: 10px;
  font-weight: 400;
  opacity: 0.85;
}

.mode:hover {
  color: var(--text);
  background: var(--panel-2);
}

.mode[aria-pressed='true'] {
  background: var(--accent);
  color: var(--accent-ink);
  font-weight: 800;
}

/* HUD */
.hud {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 10px;
}

.readout {
  display: flex;
  align-items: baseline;
  gap: 10px;
  min-width: 0;
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, var(--panel-2), var(--panel));
}

.readout:last-child {
  justify-content: flex-end;
}

.readout .lbl {
  color: var(--muted);
  font-size: 10px;
  letter-spacing: 0.18em;
}

.readout .val {
  font: 800 22px/1 var(--mono);
  font-variant-numeric: tabular-nums;
  color: var(--accent);
  text-shadow: 0 0 18px rgba(250, 204, 21, 0.35);
}

.readout .pen {
  color: var(--muted);
  font-size: 11px;
}

.face {
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  border: 1px solid var(--line-2);
  border-radius: 14px;
  background: var(--panel-2);
  color: var(--accent);
  transition: transform 80ms ease;
}

.face:active {
  transform: scale(0.94);
}

.face svg {
  width: 30px;
  height: 30px;
}

/* ---------- Board ---------- */

.field {
  position: relative;
  display: grid;
  min-height: 0;
  overflow: auto;
  overscroll-behavior: contain;
  touch-action: pan-x pan-y;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(9, 9, 11, 0.6);
  padding: 10px;
  scrollbar-color: var(--line-2) transparent;
}

.board {
  position: relative;
  margin: auto;
  display: grid;
  grid-template-columns: repeat(var(--cols), var(--cell));
  grid-auto-rows: var(--cell);
  gap: 0;
  padding: 3px;
  border-radius: 8px;
  background: var(--line);
  box-shadow:
    0 0 0 1px #3a3b46,
    0 20px 50px -20px rgba(0, 0, 0, 0.8);
  user-select: none;
  -webkit-user-select: none;
  -webkit-touch-callout: none;
  outline: none;
  font-size: calc(var(--cell) * 0.5);
}

.board:focus-visible {
  box-shadow:
    0 0 0 2px var(--accent),
    0 20px 50px -20px rgba(0, 0, 0, 0.8);
}

.c {
  position: relative;
  display: grid;
  place-items: center;
  width: var(--cell);
  height: var(--cell);
  font: 500 1em/1 var(--mono);
  background: linear-gradient(160deg, #30313d, var(--tile) 55%);
  box-shadow:
    inset 1px 1px 0 var(--tile-hi),
    inset -1px -1px 0 var(--tile-lo);
  border-radius: 3px;
  border: 1px solid var(--ink);
}

.c:not(.o):hover {
  background: #363744;
}

.c.press:not(.o):not(.f) {
  background: var(--open);
  box-shadow: inset 0 0 0 1px var(--open-line);
}

/* Revealed */
.c.o {
  background: var(--open);
  box-shadow: inset 0 0 0 1px var(--open-line);
  border-radius: 1px;
}

/* Numbers chord when tapped. Giving them a press state also tells mobile
   browsers they respond to taps, so touch adjustment no longer snaps a tap on
   a number to the hidden cell next to it (which could set off a mine). */
.c.o:not(:empty):active {
  filter: brightness(1.25);
}

.c.o::before,
.c.f::before,
.c.m::before {
  content: '';
  position: absolute;
  pointer-events: none;
}

/* Numbers: hue + weight + an enclosing shape for 4 and up */
.n1 { color: var(--n1); }
.n2 { color: var(--n2); }
.n3 { color: var(--n3); font-weight: 800; }
.n4 { color: var(--n4); font-weight: 800; }
.n5 { color: var(--n5); font-weight: 800; }
.n6 { color: var(--n6); font-weight: 800; }
.n7 { color: var(--n7); font-weight: 800; }
.n8 { color: var(--n8); font-weight: 800; }

.n4::before,
.n5::before,
.n6::before {
  inset: 16%;
  border: max(1.5px, calc(var(--cell) * 0.05)) solid currentColor;
  opacity: 0.55;
}
.n5::before { border-radius: 50%; }
.n6::before { inset: 20%; transform: rotate(45deg); }
.n7::before,
.n8::before {
  inset: 14%;
  border-radius: 4px;
  background: currentColor;
  opacity: 0.16;
}
.n8::before {
  background: repeating-linear-gradient(45deg, currentColor 0 2px, transparent 2px 5px);
  opacity: 0.28;
}

/* Flags and marks */
.c.f::before {
  inset: 18%;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M7 3v18' stroke='%23facc15' stroke-width='2.4' stroke-linecap='round'/%3E%3Cpath d='M8 4l11 4.5L8 13z' fill='%23facc15'/%3E%3Cpath d='M4 21h8' stroke='%23facc15' stroke-width='2.4' stroke-linecap='round'/%3E%3C/svg%3E")
    center / contain no-repeat;
}

.c.q {
  color: var(--accent);
  font-weight: 800;
}

/* Mines */
.c.m::before {
  inset: 16%;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cg stroke='%23ececf1' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='M12 2v4M12 18v4M2 12h4M18 12h4M4.9 4.9l2.8 2.8M16.3 16.3l2.8 2.8M4.9 19.1l2.8-2.8M16.3 7.7l2.8-2.8'/%3E%3C/g%3E%3Ccircle cx='12' cy='12' r='6.2' fill='%23ececf1'/%3E%3Ccircle cx='10' cy='10' r='1.8' fill='%2309090b'/%3E%3C/svg%3E")
    center / contain no-repeat;
}

.c.m.x {
  background: #a3161b;
  box-shadow: inset 0 0 0 2px var(--danger), 0 0 24px rgba(255, 93, 93, 0.6);
  z-index: 2;
}

.c.f.w {
  background: #2a1416;
}

.c.f.w::after {
  content: '';
  position: absolute;
  inset: 10%;
  background:
    linear-gradient(45deg, transparent 44%, var(--danger) 44% 56%, transparent 56%),
    linear-gradient(-45deg, transparent 44%, var(--danger) 44% 56%, transparent 56%);
}

/* Cursor and hint */
.board.kbd .c.cur {
  outline: 2px solid var(--accent);
  outline-offset: -2px;
  z-index: 3;
}

.c.hint {
  z-index: 4;
  box-shadow: 0 0 0 2px var(--accent), 0 0 18px 2px rgba(250, 204, 21, 0.55);
  animation: hint 1.1s ease-in-out infinite;
}

@keyframes hint {
  50% {
    box-shadow: 0 0 0 2px var(--accent), 0 0 4px 0 rgba(250, 204, 21, 0.2);
  }
}

.c.src {
  box-shadow: inset 0 0 0 2px rgba(250, 204, 21, 0.45);
}

.c.flash {
  background: #3a2323;
}

/* Win sweep */
.board.won::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 8px;
  pointer-events: none;
  background: linear-gradient(100deg, transparent 30%, rgba(250, 204, 21, 0.28) 50%, transparent 70%) -100% 0 / 200% 100% no-repeat;
  animation: sweep 1.2s ease-out 0.1s both;
}

@keyframes sweep {
  to {
    background-position: 200% 0;
  }
}

.field.shake {
  animation: shake 380ms ease-out;
}

@keyframes shake {
  20% { transform: translate(-6px, 2px); }
  40% { transform: translate(5px, -3px); }
  60% { transform: translate(-3px, 1px); }
  80% { transform: translate(2px, 0); }
}

.field.busy::after {
  content: 'Building a no-guess board…';
  position: absolute;
  inset: auto 0 12px;
  text-align: center;
  color: var(--accent);
  font-size: 12px;
}

/* ---------- Bottom bar ---------- */

.bar {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 50px;
}

.status {
  flex: 1 1 auto;
  min-width: 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.35;
}

.status strong {
  color: var(--text);
}

.tool {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 46px;
  padding: 0 14px;
  border: 1px solid var(--line-2);
  border-radius: 12px;
  background: var(--panel-2);
  color: var(--text);
  font-weight: 500;
  font-size: 13px;
  white-space: nowrap;
}

.tool:hover:not(:disabled) {
  border-color: var(--accent);
}

.tool:disabled {
  opacity: 0.45;
  cursor: default;
}

.tool svg {
  width: 18px;
  height: 18px;
  flex: none;
}

.tool small {
  color: var(--muted);
  font-size: 11px;
}

.tool.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-ink);
  font-weight: 800;
}

.tool.primary small {
  color: #4d3b00;
}

/* Reveal/Flag switch */
.switch {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  padding: 3px;
  min-height: 46px;
  border: 1px solid var(--line-2);
  border-radius: 12px;
  background: var(--panel);
}

.switch span {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 0 12px;
  color: var(--muted);
  font-size: 13px;
  transition: color 120ms;
}

.switch::before {
  content: '';
  position: absolute;
  top: 3px;
  bottom: 3px;
  left: 3px;
  width: calc(50% - 3px);
  border-radius: 9px;
  background: var(--tile-hi);
  transition: transform 160ms ease;
}

.switch[aria-pressed='true']::before {
  transform: translateX(100%);
  background: var(--accent);
}

.switch[aria-pressed='false'] span:first-child,
.switch[aria-pressed='true'] span:last-child {
  color: var(--text);
  font-weight: 800;
}

.switch[aria-pressed='true'] span:last-child {
  color: var(--accent-ink);
}

.switch svg {
  width: 16px;
  height: 16px;
}

.zoom {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--muted);
}

.zoom input {
  width: 110px;
  accent-color: var(--accent);
}

.zoom svg {
  width: 16px;
  height: 16px;
}

/* Result bar replaces the tools when a game ends */
.result {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  width: 100%;
}

.result[hidden],
.toolset[hidden] {
  display: none;
}

.toolset {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
}

.result .msg {
  flex: 1 1 200px;
  min-width: 0;
}

.result .msg b {
  display: block;
  font-size: 16px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.result.win .msg b {
  color: var(--accent);
}

.result.lose .msg b {
  color: var(--danger);
}

.result .msg span {
  color: var(--muted);
  font-size: 12px;
}

.result .msg .new-best,
.new-best {
  display: inline-block;
  margin-left: 6px;
  padding: 2px 6px;
  border-radius: 6px;
  background: var(--accent);
  color: var(--accent-ink);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.1em;
  vertical-align: 2px;
}

/* ---------- Side notes (wide screens) ---------- */

.notes {
  display: none;
}

@media (min-width: 1100px) {
  .app {
    grid-template-columns: minmax(0, 1fr) 250px;
    column-gap: 16px;
  }
  .top,
  .modes,
  .hud,
  .bar {
    grid-column: 1;
  }
  .field {
    grid-column: 1;
  }
  .notes {
    grid-column: 2;
    grid-row: 2 / span 4;
    display: flex;
    flex-direction: column;
    gap: 12px;
    min-height: 0;
    overflow: auto;
  }
}

.card {
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
}

.card h2 {
  margin: 0 0 10px;
  color: var(--muted);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.kv {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 6px 10px;
  margin: 0;
  font-size: 12px;
}

.kv dt {
  color: var(--muted);
}

.kv dd {
  margin: 0;
  font-weight: 800;
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.keys {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 6px 10px;
  margin: 0;
  font-size: 12px;
}

.keys dt {
  white-space: nowrap;
}

.keys dd {
  margin: 0;
  color: var(--muted);
}

kbd {
  display: inline-block;
  min-width: 20px;
  padding: 1px 5px;
  border: 1px solid var(--line-2);
  border-bottom-width: 2px;
  border-radius: 5px;
  background: var(--panel-2);
  font: 500 11px/1.4 var(--mono);
  text-align: center;
}

.legend {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 4px;
  --cell: 30px;
  font-size: 15px;
}

.legend .c {
  width: 100%;
}

/* ---------- Dialogs ---------- */

dialog {
  width: min(520px, calc(100vw - 24px));
  max-height: calc(100dvh - 24px);
  padding: 0;
  border: 1px solid var(--line-2);
  border-radius: 16px;
  background: var(--panel);
  color: var(--text);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.7);
}

dialog::backdrop {
  background: rgba(5, 5, 7, 0.72);
  backdrop-filter: blur(3px);
}

.dlg {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 18px;
}

.dlg header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.dlg h2 {
  margin: 0;
  font-size: 15px;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.dlg h2 b {
  color: var(--accent);
}

.dlg p {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
}

.row {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 10px 0;
  border-top: 1px solid var(--line);
}

.row input[type='checkbox'] {
  flex: none;
  width: 22px;
  height: 22px;
  margin: 0;
  accent-color: var(--accent);
}

.row label {
  display: block;
  font-weight: 800;
  font-size: 13px;
}

.row small {
  display: block;
  color: var(--muted);
  font-size: 12px;
}

.fields {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.fields label {
  display: grid;
  gap: 4px;
  color: var(--muted);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.fields input {
  width: 100%;
  min-height: 44px;
  padding: 0 10px;
  border: 1px solid var(--line-2);
  border-radius: 10px;
  background: var(--ink);
  font-size: 18px;
  font-weight: 800;
}

.fields input:invalid,
.fields input[aria-invalid='true'] {
  border-color: var(--danger);
}

.err {
  min-height: 1.4em;
  color: var(--danger) !important;
}

.warn {
  color: var(--accent) !important;
}

.actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  flex-wrap: wrap;
}

table.stats {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
  font-variant-numeric: tabular-nums;
}

.stats th,
.stats td {
  padding: 8px 4px;
  border-bottom: 1px solid var(--line);
  text-align: right;
}

.stats th:first-child,
.stats td:first-child {
  text-align: left;
}

.stats thead th {
  color: var(--muted);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.stats tbody th {
  font-weight: 800;
}

.levels {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(96px, 1fr));
  gap: 8px;
}

.level {
  display: grid;
  gap: 4px;
  padding: 10px;
  border: 1px solid var(--line-2);
  border-radius: 12px;
  background: var(--panel-2);
  text-align: left;
}

.level:hover:not(:disabled) {
  border-color: var(--accent);
}

.level:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.level .num {
  font-size: 20px;
  font-weight: 800;
}

.level.done .num {
  color: var(--accent);
}

.level small {
  color: var(--muted);
  font-size: 10px;
}

.level .meter {
  display: flex;
  align-items: flex-end;
  gap: 2px;
  height: 14px;
}

.level .meter i {
  flex: 1;
  border-radius: 2px;
  background: var(--line-2);
}

.level .meter i.on {
  background: var(--accent);
}

/* ---------- Phones ---------- */

@media (max-width: 640px) {
  .app {
    gap: 8px;
  }
  .modes {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .mode {
    min-height: 40px;
  }
  .readout {
    padding: 6px 10px;
    gap: 6px;
  }
  .readout .val {
    font-size: 19px;
  }
  .face {
    width: 48px;
    height: 48px;
  }
  .field {
    padding: 6px;
  }
  .bar {
    flex-wrap: wrap;
  }
  .toolset {
    flex-wrap: wrap;
  }
  .toolset .status {
    flex: 1 1 150px;
    font-size: 11px;
  }
  .switch {
    flex: 1 1 auto;
  }
  .zoom input {
    width: 84px;
  }
  .brand {
    font-size: 12px;
    letter-spacing: 0.08em;
    gap: 6px;
  }
  .brand svg {
    width: 18px;
    height: 18px;
  }
}

/* Phones held sideways: controls on the left, the field takes the full height. */
@media (max-height: 520px) and (orientation: landscape) and (min-width: 520px) {
  .app {
    grid-template-columns: minmax(250px, 300px) minmax(0, 1fr);
    grid-template-rows: auto auto auto 1fr;
    column-gap: 12px;
    row-gap: 8px;
  }
  .top {
    grid-column: 1;
  }
  .brand {
    display: none;
  }
  .modes {
    grid-column: 1;
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .mode {
    min-height: 34px;
    font-size: 11px;
  }
  .hud {
    grid-column: 1;
  }
  .readout {
    padding: 6px 8px;
    gap: 6px;
  }
  .readout .val {
    font-size: 17px;
  }
  .face {
    width: 44px;
    height: 44px;
  }
  .field {
    grid-column: 2;
    grid-row: 1 / -1;
    padding: 6px;
  }
  .bar {
    grid-column: 1;
    align-self: start;
  }
  .toolset {
    flex-wrap: wrap;
  }
  .status {
    display: none;
  }
}

@media (max-width: 380px) {
  .zoom {
    display: none;
  }
}

/* ---------- Touch screens: readable text, 44px targets, more room for the field ---------- */

@media (pointer: coarse), (max-width: 640px) {
  /* The whole settings row toggles its checkbox. */
  .row {
    position: relative;
  }
  .row label::after {
    content: '';
    position: absolute;
    inset: 0;
  }
  .stats thead th,
  .fields label {
    font-size: 12px;
  }
  .stats thead th {
    letter-spacing: 0.04em;
  }
  .icon-btn {
    width: 44px;
    height: 44px;
  }
  .top {
    min-height: 44px;
  }
  .mode small,
  .readout .lbl,
  .readout .pen,
  .tool small,
  .toolset .status,
  .status,
  .result .msg span,
  .new-best {
    font-size: 12px;
  }
  .mode {
    min-height: 44px;
  }
  .mode small {
    letter-spacing: 0;
    white-space: nowrap;
  }
  .readout .lbl {
    letter-spacing: 0.1em;
  }
  .zoom input {
    height: 44px;
  }
}

@media (max-width: 360px) {
  .toolset .switch span {
    padding: 0 6px;
  }
  .toolset .tool {
    padding: 0 10px;
  }
  .toolset .tool svg {
    display: none;
  }
}

/* Narrow phones: the stats table scrolls sideways instead of being cut off. */
@media (max-width: 420px) {
  table.stats {
    display: block;
    overflow-x: auto;
    overscroll-behavior-x: contain;
  }
  .stats th,
  .stats td {
    padding: 8px 3px;
    white-space: nowrap;
  }
}

/* Very short portrait phones (iPhone SE): one status line, slimmer mode buttons. */
@media (max-width: 640px) and (max-height: 600px) and (orientation: portrait) {
  .mode {
    min-height: 40px;
  }
  .bar .toolset .status {
    -webkit-line-clamp: 1;
  }
  .hud .face {
    width: 44px;
    height: 44px;
  }
}

/* Short landscape phones: everything left of the field fits the height. */
@media (max-height: 420px) and (orientation: landscape) and (min-width: 520px) {
  .app {
    grid-template-columns: 280px minmax(0, 1fr);
    row-gap: 6px;
  }
  .mode {
    min-height: 40px;
    font-size: 12px;
  }
  .modes {
    gap: 2px;
    padding: 3px;
  }
  .toolset {
    row-gap: 6px;
  }
  .toolset .switch {
    flex: 1 1 auto;
  }
  .toolset .switch span {
    padding: 0 8px;
  }
  .toolset .tool {
    padding: 0 10px;
  }
  .toolset .tool svg,
  .zoom {
    display: none;
  }
}

@media (max-width: 640px) and (orientation: portrait) {
  /* Reveal/Flag and Hint share the first row, the status line goes below. */
  .toolset .switch {
    flex: 1 1 170px;
  }
  .toolset .status {
    flex: 1 1 100%;
    order: 3;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }
  .toolset {
    row-gap: 6px;
  }
}

@media (max-width: 640px) and (max-height: 700px) and (orientation: portrait) {
  .app {
    gap: 6px;
  }
  .mode {
    padding: 2px 4px;
  }
  .face {
    width: 46px;
    height: 46px;
  }
  .readout {
    padding: 5px 8px;
  }
  .field {
    padding: 4px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 1ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 1ms !important;
  }
  .c.hint {
    box-shadow: 0 0 0 3px var(--accent);
  }
}

[hidden] {
  display: none !important;
}