:root {
    --bg-color: #0f172a;
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --accent: #eab308; /* Yellow */
    --accent-glow: rgba(234, 179, 8, 0.4);
    --surface: #1e293b;
    --cell-hidden: #334155;
    --cell-hidden-hover: #475569;
    --cell-revealed: #0f172a;
    --border: rgba(255,255,255,0.1);
    
    /* Number Colors */
    --num-1: #3b82f6; /* Blue */
    --num-2: #10b981; /* Green */
    --num-3: #ef4444; /* Red */
    --num-4: #8b5cf6; /* Purple */
    --num-5: #f59e0b; /* Orange */
    --num-6: #06b6d4; /* Cyan */
    --num-7: #000000;
    --num-8: #94a3b8;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Outfit', sans-serif;
    user-select: none;
    -webkit-tap-highlight-color: transparent;
}

body {
    background-color: var(--bg-color);
    color: var(--text-main);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    background-image: 
        radial-gradient(circle at 15% 50%, rgba(234, 179, 8, 0.05), transparent 25%),
        radial-gradient(circle at 85% 30%, rgba(239, 68, 68, 0.05), transparent 25%);
}

.game-container {
    width: 100%;
    max-width: 600px;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
    margin-top: 60px; /* Space for navbar */
}

.game-header {
    width: 100%;
    text-align: center;
}

h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    letter-spacing: -0.5px;
}

.highlight {
    color: var(--accent);
    text-shadow: 0 0 15px var(--accent-glow);
}

.score-board {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    width: 100%;
    margin-bottom: 1rem;
}

.score-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 0.5rem 1rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    min-width: 100px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.face-card {
    cursor: pointer;
    min-width: 60px;
    padding: 0.5rem;
    font-size: 1.8rem;
    transition: transform 0.1s;
}

.face-card:active {
    transform: scale(0.9);
}

.score-label {
    font-size: 0.7rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.score-value {
    font-size: 1.5rem;
    font-weight: 700;
    font-family: monospace;
}

.text-red { color: #ef4444; }
.text-blue { color: #3b82f6; }

.controls-row {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    width: 100%;
}

.styled-select {
    flex: 1;
    background: var(--surface);
    color: var(--text-main);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 0.5rem 1rem;
    font-size: 1rem;
    outline: none;
    cursor: pointer;
}

.mode-btn {
    background: var(--surface);
    color: var(--text-main);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 0.5rem 1rem;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.2s;
}

.mode-btn.flag-mode {
    background: rgba(239, 68, 68, 0.1);
    border-color: #ef4444;
}

.game-area {
    position: relative;
    background: var(--surface);
    border-radius: 12px;
    padding: 1rem;
    border: 1px solid var(--border);
    box-shadow: 0 10px 25px rgba(0,0,0,0.3);
    width: 100%;
    overflow: auto; /* Allow scrolling if grid is large */
    display: flex;
    justify-content: center;
}

.grid-container {
    display: grid;
    gap: 2px;
    background: var(--border);
    border: 2px solid var(--border);
    margin: 0 auto;
}

.cell {
    width: 35px;
    height: 35px;
    background: var(--cell-hidden);
    border: 2px outset #5e738c;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.2rem;
    cursor: pointer;
}

@media (max-width: 500px) {
    .cell {
        width: 30px;
        height: 30px;
        font-size: 1rem;
    }
}

.cell:hover:not(.revealed) {
    background: var(--cell-hidden-hover);
}

.cell:active:not(.revealed):not(.flagged) {
    border: 1px solid var(--border);
    background: var(--cell-revealed);
}

.cell.revealed {
    background: var(--cell-revealed);
    border: 1px solid rgba(255,255,255,0.05);
    cursor: default;
}

.cell.mine {
    background: #ef4444;
    border: 1px solid var(--border);
}

/* Number colors */
.cell[data-value="1"] { color: var(--num-1); }
.cell[data-value="2"] { color: var(--num-2); }
.cell[data-value="3"] { color: var(--num-3); }
.cell[data-value="4"] { color: var(--num-4); }
.cell[data-value="5"] { color: var(--num-5); }
.cell[data-value="6"] { color: var(--num-6); }
.cell[data-value="7"] { color: var(--num-7); }
.cell[data-value="8"] { color: var(--num-8); }

.overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(15, 23, 42, 0.85);
    backdrop-filter: blur(4px);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    z-index: 10;
    border-radius: 12px;
    transition: opacity 0.3s ease;
}

.overlay.hidden {
    opacity: 0;
    pointer-events: none;
}

.overlay h2 {
    font-size: 2.5rem;
    text-shadow: 0 0 10px rgba(255,255,255,0.3);
}

.overlay h2.win { color: #10b981; text-shadow: 0 0 15px rgba(16, 185, 129, 0.4); }
.overlay h2.lose { color: #ef4444; text-shadow: 0 0 15px rgba(239, 68, 68, 0.4); }

.overlay p {
    color: var(--text-muted);
    font-size: 1.1rem;
}

.btn {
    background: var(--surface);
    color: var(--text-main);
    border: 1px solid var(--border);
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

.primary-btn {
    background: rgba(234, 179, 8, 0.1);
    border-color: var(--accent);
    color: var(--accent);
    box-shadow: 0 0 15px rgba(234, 179, 8, 0.2);
}

.primary-btn:hover {
    background: var(--accent);
    color: #000;
    box-shadow: 0 0 20px var(--accent-glow);
}