:root{
  --mw-panel-bg: color-mix(in srgb, var(--accent, #E2B76F) 10%, #ffffff);
  --mw-panel-border: color-mix(in srgb, var(--accent, #E2B76F) 26%, #ffffff);
  --mw-panel-shadow: 0 16px 34px rgba(15,23,42,0.10);
  --mw-text-main: #0f172a;
  --mw-text-sub: #334155;
  --mw-cell-hidden: #c7ced8;
  --mw-cell-hidden-top: #e5e9ef;
  --mw-cell-open: #f8fafc;
  --mw-cell-open-border: #cbd5e1;
  --mw-mine: #ef4444;
  --mw-mine-dark: #9f1239;
  --mw-flag: #d97706;
  --mw-good: #2563eb;
  --mw-warn: #7c3aed;
  --mw-win: #16a34a;
  --mw-loss: #dc2626;
}

.mw-shell{
  display:flex;
  justify-content:center;
  padding: 28px 12px 44px;
}

.mw-card{
  width:min(980px, calc(100vw - 24px));
  background: var(--mw-panel-bg);
  border: 1px solid var(--mw-panel-border);
  border-radius: 26px;
  box-shadow: var(--mw-panel-shadow);
  padding: 18px;
  box-sizing: border-box;
  margin: 0 auto;
}

.mw-header{
  display:flex;
  justify-content:space-between;
  align-items:flex-start;
  gap: 14px;
  flex-wrap:wrap;
  margin-bottom: 14px;
}

.mw-title{
  margin: 0;
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1.04;
  font-weight: 900;
  letter-spacing: -0.03em;
  color: var(--mw-text-main);
}

.mw-subtitle{
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.55;
  font-weight: 500;
  color: var(--mw-text-sub);
  max-width: 64ch;
}

.mw-top-actions{
  display:flex;
  gap: 10px;
  flex-wrap:wrap;
  align-items:center;
  justify-content:flex-end;
}

.mw-chip,
.mw-tool,
.mw-button{
  border: 1px solid color-mix(in srgb, var(--accent, #E2B76F) 26%, #ffffff);
  background: #ffffff;
  color: var(--mw-text-main);
  border-radius: 14px;
  font-weight: 800;
  transition: transform .12s ease, box-shadow .15s ease, background .15s ease, border-color .15s ease;
}

.mw-chip{
  display:inline-flex;
  align-items:center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 12px;
  border: 1px solid var(--gp-chip-border, color-mix(in srgb, var(--accent, #E2B76F) 18%, #ffffff));
  background: var(--gp-chip-bg, #ffffff);
  box-shadow: var(--gp-chip-shadow, inset 0 0 0 1px color-mix(in srgb, var(--accent, #E2B76F) 12%, #ffffff));
  color: var(--text-main, #0f172a);
  font-weight: 700;
}

.mw-chip strong{
  font-weight: 900;
}

.mw-grid{
  display:grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 12px;
}

.mw-stat{
  background:#ffffff;
  border:1px solid color-mix(in srgb, var(--accent, #E2B76F) 22%, #ffffff);
  border-radius: 18px;
  padding: 12px 14px;
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.75);
}

.mw-stat-label{
  display:block;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: #64748b;
  margin-bottom: 6px;
}

.mw-stat-value{
  display:block;
  font-size: 22px;
  line-height: 1.1;
  font-weight: 900;
  color: var(--mw-text-main);
}

.mw-toolbar{
  display:flex;
  flex-wrap:wrap;
  gap: 10px;
  margin-bottom: 0;
}

.mw-tool{
  padding: 11px 14px;
  cursor:pointer;
}

.mw-tool.is-active{
  background: color-mix(in srgb, var(--accent, #E2B76F) 28%, #ffffff);
  border-color: color-mix(in srgb, var(--accent, #E2B76F) 40%, #ffffff);
  box-shadow: 0 8px 18px rgba(15,23,42,0.08);
}

.mw-tool:active,
.mw-button:active{
  transform: translateY(1px);
}

.mw-main{
  display:grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: 14px;
  align-items:start;
}

.mw-board-wrap{
  background:#fff;
  border-radius: 16px;
  padding: 12px;
  border: 1px solid color-mix(in srgb, var(--accent, #E2B76F) 20%, #ffffff);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.8);
  width: 100%;
  box-sizing: border-box;
  margin: 0 auto;
}

.mw-board{
  display:grid;
  gap: 0;
  width:100%;
  aspect-ratio: 1 / 1;
  min-height: 0;
  background: #94a3b8;
  border-radius: 8px;
  overflow:hidden;
  touch-action: manipulation;
}

.mw-cell{
  appearance:none;
  border: 1px solid var(--mw-cell-open-border, #cbd5e1);
  display:flex;
  align-items:center;
  justify-content:center;
  padding:0;
  margin:0;
  user-select:none;
  font-weight: 900;
  font-size: clamp(10px, 1.1vw, 14px);
  line-height: 1;
  color: var(--mw-text-main);
  cursor:pointer;
}

.mw-cell.hidden{
  background: linear-gradient(180deg, var(--mw-cell-hidden-top), var(--mw-cell-hidden));
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.75);
}

.mw-cell.revealed{
  background: var(--mw-cell-open);
}

.mw-cell.mine{
  color: #fff;
}

.mw-cell.mine.revealed,
.mw-cell.exploded{
  background: linear-gradient(180deg, #fb7185, var(--mw-mine));
  color: #fff;
}

.mw-cell.flagged.hidden,
.mw-cell.flagged{
  background: linear-gradient(180deg, #fef3c7, #fbbf24);
  color: #7c2d12;
}

.mw-cell.wrong-flag.revealed{
  background: linear-gradient(180deg, #fda4af, #fb7185);
  color: #fff;
}

.mw-cell.n1{ color: var(--mw-good); }
.mw-cell.n2{ color: #16a34a; }
.mw-cell.n3{ color: #dc2626; }
.mw-cell.n4{ color: var(--mw-warn); }
.mw-cell.n5{ color: #b45309; }
.mw-cell.n6{ color: #0891b2; }
.mw-cell.n7{ color: #334155; }
.mw-cell.n8{ color: #1f2937; }

.mw-side{
  display:flex;
  flex-direction:column;
  gap: 12px;
}

.mw-panel{
  background:#ffffff;
  border-radius: 22px;
  border: 1px solid color-mix(in srgb, var(--accent, #E2B76F) 20%, #ffffff);
  box-shadow: 0 10px 24px rgba(15,23,42,0.08);
  padding: 14px;
}

.mw-panel h2{
  margin: 0 0 8px;
  font-size: 18px;
  line-height: 1.2;
  font-weight: 900;
  color: var(--mw-text-main);
}

.mw-panel p{
  margin: 0;
  font-size: 14px;
  line-height: 1.55;
  color: var(--mw-text-sub);
}

.mw-banner{
  margin-bottom: 12px;
  padding: 12px 14px;
  border-radius: 16px;
  font-size: 14px;
  font-weight: 800;
  display:none;
  background: color-mix(in srgb, var(--accent, #E2B76F) 18%, #ffffff);
  color: var(--mw-text-main);
  border: 1px solid color-mix(in srgb, var(--accent, #E2B76F) 30%, #ffffff);
}

.mw-banner.is-win{
  background: color-mix(in srgb, var(--mw-win) 18%, #ffffff);
  border-color: color-mix(in srgb, var(--mw-win) 30%, #ffffff);
}

.mw-banner.is-loss{
  background: color-mix(in srgb, var(--mw-loss) 16%, #ffffff);
  border-color: color-mix(in srgb, var(--mw-loss) 26%, #ffffff);
}

.mw-empty{
  padding: 18px;
  text-align:center;
  color: var(--mw-text-sub);
}

.mw-list{
  display:flex;
  flex-direction:column;
  gap: 10px;
}

.mw-row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 12px;
  padding: 12px 14px;
  border-radius: 16px;
  background: #ffffff;
  border: 1px solid color-mix(in srgb, var(--accent, #E2B76F) 16%, #ffffff);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.75);
}

.mw-row strong{
  display:block;
  font-size: 14px;
  font-weight: 900;
  color: var(--mw-text-main);
}

.mw-row span{
  display:block;
  font-size: 13px;
  color: var(--mw-text-sub);
  font-weight: 600;
}

.mw-button{
  padding: 12px 14px;
  cursor:pointer;
  text-decoration:none;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap: 8px;
}

.mw-button.primary{
  background: color-mix(in srgb, var(--accent, #E2B76F) 54%, #ffffff);
  border-color: color-mix(in srgb, var(--accent, #E2B76F) 70%, #ffffff);
  color: #0f172a;
}

.mw-button.primary:hover,
.mw-tool:hover,
.mw-chip:hover{
  transform: translateY(-1px);
  box-shadow: 0 10px 22px rgba(15,23,42,0.10);
}

.mw-help{
  display:flex;
  flex-wrap:wrap;
  gap: 10px;
}

.mw-help .mw-chip{
  flex: 1 1 180px;
  justify-content:center;
}

.mw-entry-wrap{
  display:grid;
  grid-template-columns: minmax(0, 1fr);
}

.mw-entry-grid{
  display:grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.mw-entry-section{
  display:flex;
  flex-direction:column;
  gap: 10px;
}

.mw-entry-label{
  font-size: 13px;
  font-weight: 900;
  color: var(--mw-text-main);
  letter-spacing: 0.01em;
}

.mw-segment{
  display:flex;
  gap: 10px;
  flex-wrap:wrap;
}

.mw-segment .mw-tool{
  min-width: 108px;
}

.mw-size-input{
  width: 110px;
  padding: 0 12px;
  height: 42px;
  border-radius: 12px;
  border: 1px solid color-mix(in srgb, var(--accent, #E2B76F) 24%, #ffffff);
  background: #fff;
  font-weight: 800;
  color: var(--mw-text-main);
  box-sizing:border-box;
}

.mw-size-input:disabled{
  opacity: .55;
  cursor:not-allowed;
}

.mw-spacer{
  min-height: 4px;
}

@media (max-width: 900px){
  .mw-main{
    grid-template-columns: 1fr;
  }
  .mw-side{
    order: 2;
  }
}

@media (max-width: 640px){
  .mw-shell{
    padding: 12px 0 24px;
  }
  .mw-card{
    width: 100%;
    padding: 12px;
    border-radius: 22px;
  }
  .mw-title,
  .mw-subtitle{
    display: none;
  }
  .mw-top-actions{
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
    width: 100%;
    margin-top: 4px;
  }
  .mw-top-actions .mw-chip{
    justify-content: center;
    width: 100%;
    box-sizing: border-box;
    padding: 8px 10px;
  }
  .mw-grid{
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .mw-entry-grid{
    grid-template-columns: 1fr;
  }
  .mw-segment .mw-tool{
    min-width: 0;
    flex: 1 1 calc(50% - 10px);
  }
  .mw-board-wrap{
    padding: 10px;
    width: 100%;
  }
  .mw-toolbar{
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
    padding: 8px;
    margin: 12px 0 14px;
    background: color-mix(in srgb, var(--mw-panel-bg) 86%, #ffffff);
    border: 1px solid color-mix(in srgb, var(--accent, #E2B76F) 18%, #ffffff);
    border-radius: 18px;
    box-shadow: 0 12px 24px rgba(15,23,42,0.10);
    width: 100%;
  }
  .mw-tool,
  .mw-button{
    padding: 11px 12px;
    width: 100%;
    box-sizing: border-box;
  }
  .mw-tool{
    flex: none;
    min-height: 44px;
  }
  .mw-help .mw-chip{
    flex-basis: 100%;
  }
}

/* ---------- Dark Mode Overrides ---------- */
html[data-mode="dark"] {
  --mw-panel-bg: color-mix(in srgb, var(--accent, #E2B76F) 10%, #0f172a);
  --mw-panel-border: color-mix(in srgb, var(--accent, #E2B76F) 26%, #0f172a);
  --mw-panel-shadow: 0 16px 34px rgba(0,0,0,0.35);
  --mw-text-main: #f8fafc;
  --mw-text-sub: #cbd5e1;
  --mw-cell-hidden: #334155;
  --mw-cell-hidden-top: #475569;
  --mw-cell-open: #1e293b;
  --mw-cell-open-border: #334155;
  --mw-mine: #f87171;
  --mw-mine-dark: #991b1b;
  --mw-flag: #fbbf24;
  --mw-good: #60a5fa;
  --mw-warn: #a78bfa;
  --mw-win: #4ade80;
  --mw-loss: #f87171;
}

html[data-mode="dark"] .mw-card {
  box-shadow: 0 16px 34px rgba(0,0,0,0.35);
}

html[data-mode="dark"] .mw-chip,
html[data-mode="dark"] .mw-tool,
html[data-mode="dark"] .mw-button {
  border-color: color-mix(in srgb, var(--accent, #E2B76F) 26%, #0f172a);
  background: #1e293b;
  color: #f8fafc;
}

html[data-mode="dark"] .mw-tool.is-active {
  background: color-mix(in srgb, var(--accent, #E2B76F) 28%, #0f172a);
  border-color: color-mix(in srgb, var(--accent, #E2B76F) 40%, #0f172a);
}

html[data-mode="dark"] .mw-stat {
  background: #1e293b;
  border-color: color-mix(in srgb, var(--accent, #E2B76F) 22%, #0f172a);
  box-shadow: none;
}

html[data-mode="dark"] .mw-board-wrap {
  background: #0f172a;
  border-color: color-mix(in srgb, var(--accent, #E2B76F) 20%, #0f172a);
  box-shadow: none;
}

html[data-mode="dark"] .mw-panel {
  background: #1e293b;
  border-color: color-mix(in srgb, var(--accent, #E2B76F) 20%, #0f172a);
  box-shadow: 0 10px 24px rgba(0,0,0,0.2);
}

html[data-mode="dark"] .mw-row {
  background: #1e293b;
  border-color: color-mix(in srgb, var(--accent, #E2B76F) 16%, #0f172a);
  box-shadow: none;
}

html[data-mode="dark"] .mw-button.primary {
  background: color-mix(in srgb, var(--accent, #E2B76F) 54%, #0f172a);
  border-color: color-mix(in srgb, var(--accent, #E2B76F) 70%, #0f172a);
  color: #ffffff;
}

html[data-mode="dark"] .mw-size-input {
  background: #1e293b;
  border-color: color-mix(in srgb, var(--accent, #E2B76F) 24%, #0f172a);
  color: #f8fafc;
}

@media (max-width: 640px) {
  html[data-mode="dark"] .mw-toolbar {
    background: color-mix(in srgb, var(--mw-panel-bg) 86%, #0f172a);
    border-color: color-mix(in srgb, var(--accent, #E2B76F) 18%, #0f172a);
    box-shadow: 0 12px 24px rgba(0,0,0,0.25);
  }
}