:root {
  --ms-cell-size: clamp(28px, 6vw, 40px);
}

.board-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  justify-self: center;
  width: fit-content;
  max-width: 100%;
  overflow-x: auto;
  --ms-board-bg: var(--bg-card);
  --ms-board-border: rgba(255, 255, 255, 0.2);
  --ms-toolbar-bg: var(--bg-card);
  --ms-toolbar-border: rgba(255, 255, 255, 0.12);
  --ms-cell-hidden: linear-gradient(145deg, #1c2430, #141a24);
  --ms-cell-border: rgba(255, 255, 255, 0.06);
  --ms-cell-revealed: rgba(255, 255, 255, 0.04);
  --ms-cell-revealed-border: rgba(255, 255, 255, 0.04);
  --ms-cell-hover: rgba(184, 255, 46, 0.1);
  --ms-cell-flagged: rgba(255, 159, 26, 0.08);
  --ms-cell-mine-hit: rgba(255, 77, 157, 0.35);
  --ms-cell-mine-hidden: rgba(255, 77, 157, 0.15);
  --ms-accent: #b8ff2e;
  --ms-n1: #6bcbff;
  --ms-n2: #7ed321;
  --ms-n3: #ff4d9d;
  --ms-n4: #9b59ff;
  --ms-n5: #ff9f1a;
  --ms-n6: #00d4aa;
  --ms-n7: #eef2f7;
  --ms-n8: #8b97a8;
}

.board-wrap[data-ms-accent="green"] {
  --ms-accent: #b8ff2e;
  --ms-cell-hover: rgba(184, 255, 46, 0.1);
  --ms-cell-flagged: rgba(184, 255, 46, 0.1);
}

.board-toolbar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  background: var(--ms-toolbar-bg);
  border: 2px solid var(--ms-toolbar-border);
  box-shadow: var(--shadow);
}

.board-toolbar__stat {
  min-width: 64px;
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  font-size: 0.95rem;
}

.board-toolbar__face {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  border: 2px solid var(--border);
  background: var(--bg-elevated);
  font-size: 1.4rem;
  cursor: pointer;
  transition: transform 0.1s;
}

.board-toolbar__face:hover {
  transform: scale(1.05);
}

.board-toolbar__flag-mode {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  border: 2px solid var(--border);
  background: var(--bg-elevated);
  font-size: 1.25rem;
  cursor: pointer;
  transition: transform 0.1s, border-color 0.15s, background 0.15s;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}

.board-toolbar__flag-mode:hover {
  transform: scale(1.05);
}

.board-toolbar__flag-mode--active {
  border-color: var(--orange);
  background: rgba(255, 159, 26, 0.14);
  box-shadow: 0 0 0 2px rgba(255, 159, 26, 0.2);
}

.minesweeper-board {
  display: grid;
  grid-template-columns: repeat(var(--cols, 9), var(--ms-cell-size));
  background: var(--ms-board-bg);
  border: 3px solid var(--ms-board-border);
  border-radius: 8px;
  box-shadow: var(--shadow);
  user-select: none;
  touch-action: manipulation;
}

.ms-cell {
  width: var(--ms-cell-size);
  height: var(--ms-cell-size);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--ms-cell-border);
  background: var(--ms-cell-hidden);
  font-size: clamp(0.65rem, 2.5vw, 1rem);
  font-weight: 800;
  font-family: var(--font-display);
  cursor: pointer;
  padding: 0;
  color: var(--text);
  transition: background 0.1s, transform 0.08s;
  touch-action: manipulation;
  -webkit-touch-callout: none;
  user-select: none;
  -webkit-user-select: none;
}

.ms-cell:hover:not(:disabled) {
  background: var(--ms-cell-hover);
}

.ms-cell:active:not(:disabled) {
  transform: scale(0.94);
}

.ms-cell--revealed {
  background: var(--ms-cell-revealed);
  cursor: default;
  border-color: var(--ms-cell-revealed-border);
}

.ms-cell--flagged {
  background: var(--ms-cell-flagged);
  font-size: clamp(0.7rem, 2.5vw, 0.95rem);
}

.ms-cell--mine-hit {
  background: var(--ms-cell-mine-hit);
}

.ms-cell--mine-hidden {
  background: var(--ms-cell-mine-hidden);
  opacity: 0.7;
}

.ms-cell--n1 { color: var(--ms-n1); }
.ms-cell--n2 { color: var(--ms-n2); }
.ms-cell--n3 { color: var(--ms-n3); }
.ms-cell--n4 { color: var(--ms-n4); }
.ms-cell--n5 { color: var(--ms-n5); }
.ms-cell--n6 { color: var(--ms-n6); }
.ms-cell--n7 { color: var(--ms-n7); }
.ms-cell--n8 { color: var(--ms-n8); }

.board-wrap[data-ms-bg="light"] {
  --ms-board-bg: #eef1f6;
  --ms-board-border: rgba(15, 23, 42, 0.28);
  --ms-toolbar-bg: #ffffff;
  --ms-toolbar-border: rgba(15, 23, 42, 0.12);
  --ms-cell-hidden: linear-gradient(145deg, #ffffff, #e4e9f0);
  --ms-cell-border: rgba(15, 23, 42, 0.1);
  --ms-cell-revealed: #f5f7fa;
  --ms-cell-revealed-border: rgba(15, 23, 42, 0.08);
  --ms-cell-mine-hit: rgba(220, 53, 90, 0.28);
  --ms-cell-mine-hidden: rgba(220, 53, 90, 0.14);
  --ms-n7: #1a2434;
  --ms-n8: #5c6778;
}

.board-wrap[data-ms-bg="classic"] {
  --ms-board-bg: #9e9e9e;
  --ms-board-border: #5f5f5f;
  --ms-toolbar-bg: #c0c0c0;
  --ms-toolbar-border: #7b7b7b;
  --ms-cell-hidden: linear-gradient(145deg, #ececec, #a8a8a8);
  --ms-cell-border: #8a8a8a;
  --ms-cell-revealed: #c0c0c0;
  --ms-cell-revealed-border: #9a9a9a;
  --ms-cell-mine-hit: rgba(200, 40, 40, 0.45);
  --ms-cell-mine-hidden: rgba(200, 40, 40, 0.22);
  --ms-n7: #1a1a2e;
  --ms-n8: #4a4a4a;
}

.board-wrap[data-ms-accent="blue"] {
  --ms-accent: #5c8dff;
  --ms-cell-hover: rgba(92, 141, 255, 0.14);
  --ms-cell-flagged: rgba(92, 141, 255, 0.12);
}

.board-wrap[data-ms-accent="orange"] {
  --ms-accent: #ff9f1a;
  --ms-cell-hover: rgba(255, 159, 26, 0.14);
  --ms-cell-flagged: rgba(255, 159, 26, 0.12);
}

.board-wrap[data-ms-accent="purple"] {
  --ms-accent: #c77dff;
  --ms-cell-hover: rgba(199, 125, 255, 0.14);
  --ms-cell-flagged: rgba(199, 125, 255, 0.12);
}

.board-wrap[data-ms-accent="pink"] {
  --ms-accent: #ff4d9d;
  --ms-cell-hover: rgba(255, 77, 157, 0.14);
  --ms-cell-flagged: rgba(255, 77, 157, 0.12);
}

.board-wrap[data-ms-bg="light"][data-ms-accent="green"] {
  --ms-cell-hover: rgba(46, 160, 67, 0.14);
  --ms-cell-flagged: rgba(46, 160, 67, 0.12);
}

.board-wrap[data-ms-bg="light"][data-ms-accent="blue"] {
  --ms-cell-hover: rgba(43, 111, 214, 0.14);
  --ms-cell-flagged: rgba(43, 111, 214, 0.12);
}

.board-wrap[data-ms-bg="light"][data-ms-accent="orange"] {
  --ms-cell-hover: rgba(217, 119, 6, 0.14);
  --ms-cell-flagged: rgba(217, 119, 6, 0.12);
}

.board-wrap[data-ms-bg="light"][data-ms-accent="purple"] {
  --ms-cell-hover: rgba(122, 43, 207, 0.12);
  --ms-cell-flagged: rgba(122, 43, 207, 0.1);
}

.board-wrap[data-ms-bg="light"][data-ms-accent="pink"] {
  --ms-cell-hover: rgba(199, 52, 125, 0.12);
  --ms-cell-flagged: rgba(199, 52, 125, 0.1);
}

.board-wrap[data-ms-numbers="vivid"] {
  --ms-n1: #00b4ff;
  --ms-n2: #2ee600;
  --ms-n3: #ff2d7a;
  --ms-n4: #8b3dff;
  --ms-n5: #ff7a00;
  --ms-n6: #00e5c3;
  --ms-n7: #f0f4ff;
  --ms-n8: #9aa8bc;
}

.board-wrap[data-ms-numbers="mono"] {
  --ms-n1: #9aa8bc;
  --ms-n2: #8b97a8;
  --ms-n3: #7b8798;
  --ms-n4: #6b7788;
  --ms-n5: #5c6778;
  --ms-n6: #4d5868;
  --ms-n7: #eef2f7;
  --ms-n8: #3d4756;
}

.board-wrap[data-ms-numbers="pastel"] {
  --ms-n1: #8ecae6;
  --ms-n2: #95d5b2;
  --ms-n3: #f4a6c8;
  --ms-n4: #cdb4db;
  --ms-n5: #ffd6a5;
  --ms-n6: #a8e6cf;
  --ms-n7: #dfe7ef;
  --ms-n8: #b8c0cc;
}

.board-wrap[data-ms-bg="light"][data-ms-numbers="vivid"] {
  --ms-n1: #0077cc;
  --ms-n2: #1a9e00;
  --ms-n3: #d91a63;
  --ms-n4: #6a28c8;
  --ms-n5: #d96500;
  --ms-n6: #00a88e;
}

.board-wrap[data-ms-bg="light"][data-ms-numbers="pastel"] {
  --ms-n1: #3d8fb8;
  --ms-n2: #4f9e74;
  --ms-n3: #c75f92;
  --ms-n4: #8f6bab;
  --ms-n5: #c9863d;
  --ms-n6: #4fa88a;
}

.board-wrap[data-ms-bg="classic"][data-ms-numbers="vivid"],
.board-wrap[data-ms-bg="classic"][data-ms-numbers="classic"] {
  --ms-n7: #1a1a2e;
}

.tools {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 16px;
}

.tool-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-elevated);
  color: var(--text);
  font: inherit;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}

.tool-btn:hover {
  border-color: rgba(184, 255, 46, 0.35);
}

.tool-btn__icon {
  font-size: 1.1rem;
  line-height: 1;
}

.board-status {
  min-height: 1.4em;
  margin: 0;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.controls-list {
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.controls-list li {
  padding: 6px 0;
  border-bottom: 1px solid var(--border);
}

.controls-list li:last-child {
  border-bottom: none;
}

.controls-list kbd {
  display: inline-block;
  padding: 2px 6px;
  border-radius: 6px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  font-size: 0.75rem;
  color: var(--text);
}

.scores__total {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--green);
}

.scores__list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.scores__list li {
  display: flex;
  justify-content: space-between;
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.85rem;
}

.scores__list li:last-child {
  border-bottom: none;
}

.modal[hidden] {
  display: none;
}

.modal {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: grid;
  place-items: center;
  padding: 20px;
}

.modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
}

.modal__dialog {
  position: relative;
  width: min(400px, 100%);
  padding: 28px;
  border-radius: var(--radius);
  background: var(--bg-card);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  text-align: center;
}

.modal__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
}

.modal__text {
  margin: 0 0 20px;
  color: var(--text-muted);
}

.modal__actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

@media (max-width: 900px) {
  :root {
    --ms-cell-size: min(32px, calc((100vw - 48px) / var(--cols, 9)));
  }

  .board-wrap {
    width: 100%;
    max-width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 4px;
  }

  .minesweeper-board {
    margin-inline: auto;
  }

  .layout {
    grid-template-columns: 1fr;
  }

  .panel--left {
    order: 1;
  }

  .board-wrap {
    order: 0;
  }

  .panel--right {
    order: 2;
  }

  .panel__gallery {
    display: none;
  }

  .header__stats {
    margin-left: 0;
    width: 100%;
  }
}

.mode-picker {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.mode-picker__btn {
  padding: 12px 10px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-muted);
  font: inherit;
  font-size: 0.82rem;
  font-weight: 700;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s, color 0.15s;
}

.mode-picker__btn--active {
  border-color: rgba(184, 255, 46, 0.45);
  background: rgba(184, 255, 46, 0.08);
  color: var(--text);
}

.mp-difficulty {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-bottom: 12px;
}

.mp-difficulty__btn {
  padding: 10px 8px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-muted);
  font: inherit;
  font-size: 0.78rem;
  font-weight: 700;
  cursor: pointer;
}

.mp-difficulty__btn--active {
  border-color: rgba(184, 255, 46, 0.45);
  background: rgba(184, 255, 46, 0.08);
  color: var(--text);
}

.friend-picker {
  display: grid;
  gap: 8px;
  max-height: 220px;
  overflow-y: auto;
  margin-bottom: 12px;
}

.friend-picker__empty {
  margin: 0;
  font-size: 0.85rem;
  color: var(--text-muted);
  text-align: center;
  padding: 12px 8px;
}

.friend-picker__btn {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
  font: inherit;
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  text-align: left;
}

.friend-picker__btn:hover {
  border-color: rgba(184, 255, 46, 0.35);
  background: rgba(184, 255, 46, 0.06);
}

.friend-picker__avatar {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  font-size: 0.8rem;
  font-weight: 800;
  overflow: hidden;
  flex-shrink: 0;
}

.friend-picker__avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.setup__note {
  margin: 0 0 12px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.setup__message {
  margin: 0 0 10px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.setup__message--success {
  color: var(--green);
}

.mp-opponent {
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.03);
}

.mp-opponent__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 10px;
}

.mp-opponent__label {
  font-size: 0.78rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.mp-opponent__bar-wrap {
  height: 8px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  overflow: hidden;
  margin-bottom: 8px;
}

.mp-opponent__bar {
  height: 100%;
  width: 0;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--green), var(--orange));
  transition: width 0.3s ease;
}

.mp-opponent__progress {
  margin: 0;
  font-size: 0.85rem;
  color: var(--text-muted);
  font-variant-numeric: tabular-nums;
}

.mp-opponent--won {
  border-color: rgba(184, 255, 46, 0.45);
}

.mp-opponent--lost {
  border-color: rgba(255, 77, 157, 0.35);
}