* { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  margin: 0;
  padding: 0;
  overflow: hidden;
  user-select: none;
  -webkit-user-select: none;
  height: 100%;
}

body {
  display: flex;
  flex-direction: column;
}

/* ---- Scale Wrapper ---- */
.scale-wrapper {
  flex: 1;
  min-height: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

/* ---- Game Frame ---- */
.game-frame {
  border: 3px solid;
  border-color: var(--sz-color-button-highlight) var(--sz-color-button-shadow) var(--sz-color-button-shadow) var(--sz-color-button-highlight);
  margin: 4px;
  padding: 5px;
  background: var(--sz-color-button-face);
  transform-origin: center center;
  box-shadow: 2px 2px 8px rgba(0,0,0,0.3);
}

/* ---- Status Panel (counters + smiley) ---- */
.status-panel {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border: 2px solid;
  border-color: var(--sz-color-button-shadow) var(--sz-color-button-highlight) var(--sz-color-button-highlight) var(--sz-color-button-shadow);
  padding: 4px 5px;
  margin-bottom: 5px;
  background: var(--sz-color-button-face);
}

/* ---- LED Counter ---- */
.led-counter {
  background: #000;
  color: #f00;
  font-family: 'Consolas', 'Courier New', monospace;
  font-size: 22px;
  font-weight: bold;
  letter-spacing: 1px;
  padding: 1px 3px;
  border: 1px solid;
  border-color: var(--sz-color-button-shadow) var(--sz-color-button-highlight) var(--sz-color-button-highlight) var(--sz-color-button-shadow);
  min-width: 42px;
  text-align: right;
  line-height: 1;
  text-shadow: 0 0 8px rgba(255, 0, 0, 0.5), 0 0 2px rgba(255, 0, 0, 0.8);
  position: relative;
}

.led-counter::before {
  content: '888';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 1px 3px;
  color: #300;
  font-family: inherit;
  font-size: inherit;
  font-weight: inherit;
  letter-spacing: inherit;
  text-align: right;
  line-height: inherit;
  pointer-events: none;
  mix-blend-mode: lighten;
}

/* ---- Smiley Button ---- */
.smiley-btn {
  width: 26px;
  height: 26px;
  border: 2px outset var(--sz-color-button-face);
  background-color: var(--sz-color-button-face);
  background-size: 22px 22px;
  background-position: center;
  background-repeat: no-repeat;
  cursor: pointer;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.08s ease;
}

.smiley-btn:active {
  border-style: inset;
  transform: scale(0.9);
}

.smiley-btn[data-face="normal"] { background-image: var(--face-normal); }
.smiley-btn[data-face="click"]  { background-image: var(--face-click); }
.smiley-btn[data-face="win"]    { background-image: var(--face-win); }
.smiley-btn[data-face="dead"]   { background-image: var(--face-dead); }
.smiley-btn[data-face="skull"]  { background-image: var(--face-skull); }

.smiley-btn.smiley-bounce {
  animation: smiley-pop 0.2s ease-out;
}

@keyframes smiley-pop {
  0% { transform: scale(1); }
  40% { transform: scale(1.2); }
  100% { transform: scale(1); }
}

/* ---- Skull Transition Animations ---- */
.smiley-btn.smiley-shrink-away {
  animation: skull-shrink 0.3s ease-in forwards;
}

@keyframes skull-shrink {
  0% { transform: scale(1) rotate(0deg); }
  100% { transform: scale(0) rotate(180deg); }
}

.smiley-btn.smiley-skull-grow {
  animation: skull-grow 0.4s ease-out forwards;
}

@keyframes skull-grow {
  0% { transform: scale(0) rotate(180deg); }
  70% { transform: scale(1.15) rotate(360deg); }
  100% { transform: scale(1) rotate(360deg); }
}

.smiley-btn.skull-pulse {
  animation: skull-glow 1.5s ease-in-out infinite;
}

@keyframes skull-glow {
  0%, 100% { box-shadow: 0 0 4px rgba(255,0,0,0.5); }
  50% { box-shadow: 0 0 12px rgba(255,0,0,0.8); }
}

/* ---- Victory Bounce ---- */
.smiley-btn.victory-bounce {
  animation: victory-pop 0.5s ease-out;
}

@keyframes victory-pop {
  0% { transform: scale(1); }
  20% { transform: scale(1.3) rotate(-10deg); }
  40% { transform: scale(1.15) rotate(8deg); }
  60% { transform: scale(1.2) rotate(-5deg); }
  80% { transform: scale(1.1) rotate(2deg); }
  100% { transform: scale(1) rotate(0deg); }
}

/* ---- Minefield ---- */
.field-border {
  border: 3px solid;
  border-color: var(--sz-color-button-shadow) var(--sz-color-button-highlight) var(--sz-color-button-highlight) var(--sz-color-button-shadow);
  position: relative;
  overflow: hidden;
}

.minefield {
  display: grid;
  line-height: 0;
  touch-action: manipulation;
  -webkit-touch-callout: none;
  transition: filter 0.5s ease;
}

.minefield.board-darkened {
  filter: brightness(0.6) saturate(0.3);
}

/* ---- Difficulty Themes ---- */
.game-frame[data-theme="meadow"] .field-border::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: #4a2;
  opacity: 0.05;
  pointer-events: none;
  z-index: 1;
}

.game-frame[data-theme="steel"] .field-border::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: #68a;
  opacity: 0.06;
  pointer-events: none;
  z-index: 1;
}

.game-frame[data-theme="inferno"] .field-border::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: #a42;
  opacity: 0.07;
  pointer-events: none;
  z-index: 1;
}

/* ---- Cells ---- */
.cell {
  width: 16px;
  height: 16px;
  border: 2px outset var(--sz-color-button-face);
  background: var(--sz-color-button-face);
  font-size: 11px;
  font-weight: bold;
  text-align: center;
  line-height: 13px;
  cursor: default;
  overflow: hidden;
  padding: 0;
  transition: filter 0.08s, transform 0.08s;
}

.cell.hidden {
  border: 2px outset var(--sz-color-button-face);
  background-image: linear-gradient(135deg, rgba(255,255,255,0.08) 0%, rgba(0,0,0,0.06) 100%);
  background-color: var(--sz-color-button-face);
}

.cell.hidden:not(.flagged):not(.question):hover {
  filter: brightness(1.08);
  transform: scale(1.02);
}

.cell.hidden:active:not(.flagged):not(.question) {
  border: 1px solid var(--sz-color-button-shadow);
  background-color: var(--sz-color-button-face);
  background-image: none;
  transform: scale(0.96);
  filter: brightness(0.95);
}

.cell.revealed {
  border: 1px solid var(--sz-color-button-shadow);
  background: var(--sz-color-button-face);
  line-height: 15px;
  box-shadow: inset 1px 1px 2px rgba(0,0,0,0.15);
}

.cell.flagged, .cell.question {
  font-size: 12px;
  line-height: 13px;
}

.cell.question {
  color: var(--sz-color-highlight, #000080);
}

/* ---- Cell Icons (SVG via CSS custom properties) ---- */
.cell.mine-icon {
  background-image: var(--icon-mine);
  background-size: 12px 12px;
  background-position: center;
  background-repeat: no-repeat;
}

.cell.flag-icon {
  background-image: var(--icon-flag);
  background-size: 10px 12px;
  background-position: center;
  background-repeat: no-repeat;
}

/* ---- Mine States ---- */
.cell.mine-hit {
  background-color: #f00;
  border: 1px solid var(--sz-color-button-shadow);
  line-height: 15px;
  position: relative;
}

.cell.mine-hit-glow {
  filter: brightness(1.5);
  z-index: 2;
}

.cell.mine-shown {
  border: 1px solid var(--sz-color-button-shadow);
  background-color: var(--sz-color-button-face);
  line-height: 15px;
}

.cell.mine-wrong {
  border: 1px solid var(--sz-color-button-shadow);
  background: linear-gradient(135deg, #d4b896 0%, #c4a882 100%);
  line-height: 15px;
  position: relative;
}

.cell.mine-wrong::after {
  content: '\2716';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #c00;
  font-size: 14px;
  font-weight: bold;
  line-height: 1;
}

/* ---- Number Colors ---- */
.n1 { color: #0000ff; text-shadow: 0 0 3px rgba(0, 0, 255, 0.4), 0 0 1px rgba(0, 0, 255, 0.6); }
.n2 { color: #008000; text-shadow: 0 0 3px rgba(0, 128, 0, 0.4), 0 0 1px rgba(0, 128, 0, 0.6); }
.n3 { color: #ff0000; text-shadow: 0 0 3px rgba(255, 0, 0, 0.4), 0 0 1px rgba(255, 0, 0, 0.6); }
.n4 { color: #000080; text-shadow: 0 0 3px rgba(0, 0, 128, 0.4), 0 0 1px rgba(0, 0, 128, 0.6); }
.n5 { color: #800000; text-shadow: 0 0 3px rgba(128, 0, 0, 0.4), 0 0 1px rgba(128, 0, 0, 0.6); }
.n6 { color: #008080; text-shadow: 0 0 3px rgba(0, 128, 128, 0.4), 0 0 1px rgba(0, 128, 128, 0.6); }
.n7 { color: #000000; text-shadow: 0 0 2px rgba(0, 0, 0, 0.3); }
.n8 { color: #808080; text-shadow: 0 0 2px rgba(128, 128, 128, 0.3); }

/* ---- Flash Overlay ---- */
.flash-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  pointer-events: none;
  z-index: 100;
  display: none;
}

/* ---- Canvas Effects Overlay ---- */
.effects-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 200;
}

/* ---- Best Times Table ---- */
.best-times-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 4px;
  font-size: 11px;
}

.best-times-table th {
  text-align: left;
  padding: 2px 8px 2px 0;
  font-weight: normal;
  border-bottom: 1px solid var(--sz-color-button-shadow);
}

.best-times-table td {
  padding: 3px 8px 3px 0;
  white-space: nowrap;
}

.best-times-table td:nth-child(2) {
  text-align: right;
  padding-right: 16px;
}

/* ---- Custom Field Dialog ---- */
.custom-field-row {
  display: flex;
  align-items: center;
  margin-bottom: 6px;
}

.custom-field-row label {
  width: 60px;
  font-size: 11px;
}

.custom-field-row input {
  width: 60px;
  height: 20px;
  font-family: inherit;
  font-size: 11px;
  padding: 1px 3px;
}

.custom-field-row .field-range {
  font-size: 10px;
  color: var(--sz-color-button-shadow);
  margin-left: 6px;
}

.custom-error {
  color: #c00;
  font-size: 10px;
  margin-top: 4px;
  min-height: 14px;
}

/* ---- Statistics Dialog ---- */
.stats-difficulty {
  font-weight: bold;
  font-size: 12px;
  margin-bottom: 6px;
  text-align: center;
}

.stats-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 11px;
}

.stats-table td {
  padding: 3px 8px 3px 0;
  white-space: nowrap;
}

.stats-table td:nth-child(2) {
  text-align: right;
  font-weight: bold;
}

/* ---- Animations ---- */

/* Reveal cascade ripple (enhanced overshoot bounce) */
.cell.revealing {
  animation: cell-reveal 0.15s ease-out forwards;
}

@keyframes cell-reveal {
  0% { transform: scale(0.7); opacity: 0; }
  55% { transform: scale(1.05); }
  80% { transform: scale(0.98); }
  100% { transform: scale(1); opacity: 1; }
}

/* Flag drop-in from above */
.cell.flag-placed {
  animation: flag-drop 0.25s ease-out;
}

@keyframes flag-drop {
  0% { transform: translateY(-6px) scale(1); opacity: 0.7; }
  40% { transform: translateY(1px) scale(1.05); opacity: 1; }
  60% { transform: translateY(-1px) scale(0.98); }
  80% { transform: translateY(0) scale(1.01); }
  100% { transform: translateY(0) scale(1); }
}

/* Mine explosion shake (10-step, 0.3s) */
.field-border.mine-shake {
  animation: mine-shake 0.3s ease-out;
}

@keyframes mine-shake {
  0%, 100% { transform: translate(0, 0); }
  10% { transform: translate(-5px, 4px); }
  20% { transform: translate(5px, -3px); }
  30% { transform: translate(-4px, 3px); }
  40% { transform: translate(4px, -4px); }
  50% { transform: translate(-3px, 2px); }
  60% { transform: translate(3px, -2px); }
  70% { transform: translate(-2px, 3px); }
  80% { transform: translate(2px, -2px); }
  90% { transform: translate(-1px, 1px); }
}

/* Mine hit shockwave */
.cell.mine-hit::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  border: 2px solid rgba(255, 0, 0, 0.6);
  transform: translate(-50%, -50%) scale(1);
  animation: shockwave 0.5s ease-out forwards;
  pointer-events: none;
}

@keyframes shockwave {
  0% { transform: translate(-50%, -50%) scale(1); opacity: 1; }
  100% { transform: translate(-50%, -50%) scale(5); opacity: 0; }
}

/* Mine staggered reveal (enhanced overshoot) */
.cell.mine-reveal-stagger {
  animation: mine-appear 0.25s ease-out forwards;
}

@keyframes mine-appear {
  0% { transform: scale(0.3); opacity: 0; }
  55% { transform: scale(1.1); }
  80% { transform: scale(0.97); }
  100% { transform: scale(1); opacity: 1; }
}