/* ============================================================
   Layout — Grid & Flex Utilities
   ============================================================ */

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

.flex {
    display: flex;
}

.flex-center {
    display: flex;
    align-items: center;
    justify-content: center;
}

.flex-between {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.flex-col {
    display: flex;
    flex-direction: column;
}

.flex-wrap {
    flex-wrap: wrap;
}

.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.gap-lg { gap: var(--space-lg); }

/* ---- Game Card Grid ---- */
.game-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
    padding: var(--space-lg) 0;
}

@media (min-width: 768px) {
    .game-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--space-lg);
    }
}

@media (min-width: 1024px) {
    .game-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* ---- Game Container (for individual game pages) ---- */
.game-container {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    padding: var(--space-md);
    min-height: calc(100dvh - 80px); /* account for header */
}

.game-container canvas {
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
}

/* ---- Page Sections ---- */
.page-header {
    text-align: center;
    padding: var(--space-2xl) 0 var(--space-lg);
}

.page-title {
    font-size: 2.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.page-subtitle {
    color: var(--color-text-muted);
    font-size: 1.1rem;
    margin-top: var(--space-sm);
}

.page-footer {
    text-align: center;
    padding: var(--space-xl) var(--space-md);
    color: var(--color-text-muted);
    font-size: 0.875rem;
}