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h1{font-size:1.75rem;letter-spacing:.1em;text-transform:uppercase;color:var(--color-accent)}#game-root{display:flex;flex-direction:column;align-items:center;gap:1rem;width:100%;max-width:1100px}.controls-row{display:flex;flex-wrap:wrap;align-items:center;gap:.75rem;width:100%;justify-content:center}.hud{display:flex;align-items:center;gap:1.25rem;font-family:var(--font-mono);font-size:1rem;background:var(--color-surface);border:1px solid var(--color-border);border-radius:6px;padding:.5rem 1rem}.hud-item{display:flex;gap:.4em;align-items:center}.hud-label{color:var(--color-text-muted);font-size:.85em}.hud-value{color:var(--color-accent);min-width:3ch;text-align:right}.difficulty-selector{display:flex;gap:.4rem}.difficulty-btn{background:var(--color-surface);color:var(--color-text-muted);border:1px solid var(--color-border);border-radius:4px;padding:.4rem .75rem;font-size:.85rem;cursor:pointer;transition:background .15s,color .15s,border-color 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1.4rem;font-size:1rem;font-weight:700;cursor:pointer;margin-top:.25rem;transition:opacity .15s}.play-again-btn:hover{opacity:.85}.board-scroll{overflow-x:auto;width:100%;display:flex;justify-content:center}.board{display:inline-grid;gap:2px;border:2px solid var(--color-border);border-radius:4px;padding:4px;background:var(--color-bg)}.board-row{display:contents}.cell{width:var(--cell-size);height:var(--cell-size);display:flex;align-items:center;justify-content:center;font-family:var(--font-mono);font-size:.85rem;font-weight:700;border-radius:3px;border:1px solid transparent;cursor:pointer;user-select:none;-webkit-user-select:none;position:relative;transition:background .08s}.cell[data-state=hidden]{background:var(--color-cell-hidden);border-color:var(--color-surface-2)}.cell[data-state=hidden]:hover,.cell[data-state=hidden]:focus{background:var(--color-cell-hidden-hover);border-color:var(--color-accent);outline:none}.cell[data-state=flagged]{background:var(--color-cell-hidden);border-color:var(--color-surface-2)}.cell[data-state=question]{background:var(--color-cell-hidden);border-color:var(--color-surface-2);color:#f59e0b}.cell[data-state=revealed]{background:var(--color-cell-revealed);border-color:var(--color-border);cursor:default}.cell[data-state=mine]{background:var(--color-cell-mine);border-color:#991b1b;cursor:default}.cell[data-detonated=true]{background:var(--color-cell-detonated)!important;border-color:#ef4444!important}.cell[data-wrong-flag=true]{background:var(--color-cell-wrong-flag)!important;border-color:#d97706!important}.cell[data-adj="1"]{color:var(--color-adj-1)}.cell[data-adj="2"]{color:var(--color-adj-2)}.cell[data-adj="3"]{color:var(--color-adj-3)}.cell[data-adj="4"]{color:var(--color-adj-4)}.cell[data-adj="5"]{color:var(--color-adj-5)}.cell[data-adj="6"]{color:var(--color-adj-6)}.cell[data-adj="7"]{color:var(--color-adj-7)}.cell[data-adj="8"]{color:var(--color-adj-8)}.cell:focus-visible{outline:2px 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