@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;700&family=Roboto:wght@300;400&display=swap');

:root {
    --primary-color: #BDE0FE; /* Baby Blue Eyes */
    --accent-color: #FFC8B2; /* Pastel Peach */
    --background-color: #FFFBF7; /* Very light, warm off-white */
    --text-color: #6D6875; /* Muted, soft gray */
    --surface-color: #FFFFFF;
    --board-bg: #A3C4F3;
    --cell-bg: #EAF4F4;
    --border-radius: 1rem;
}

body {
    background-color: var(--background-color);
    color: var(--text-color);
    font-family: 'Roboto', sans-serif;
    font-weight: 300;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Poppins', sans-serif;
    font-weight: 700;
    color: var(--text-color);
}

.navbar {
    background-color: var(--surface-color) !important;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05) !important;
}

.navbar-brand {
    font-family: 'Poppins', sans-serif;
    font-weight: 700;
    color: var(--primary-color) !important;
}

.hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
    color: white;
    padding: 6rem 0;
    text-align: center;
    border-bottom-left-radius: var(--border-radius);
    border-bottom-right-radius: var(--border-radius);
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 700;
    color: white;
    text-shadow: 1px 1px 3px rgba(0,0,0,0.1);
}

.btn-primary {
    background-color: var(--accent-color);
    border-color: var(--accent-color);
    border-radius: var(--border-radius);
    padding: 0.75rem 1.5rem;
    font-weight: 700;
    color: white;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.btn-primary:hover {
    background-color: white;
    border-color: white;
    color: var(--accent-color);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.15);
}

#game-section {
    padding: 4rem 0;
}

.game-board {
    display: grid;
    gap: 10px;
    width: 100%;
    max-width: 500px;
    margin: 2rem auto;
    background-color: var(--board-bg);
    border: 5px solid var(--board-bg);
    border-radius: var(--border-radius);
    padding: 10px;
}

.game-cell {
    width: 100%;
    padding-bottom: 100%;
    position: relative;
    background-color: var(--cell-bg);
    border-radius: 0.75rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.game-cell:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

.game-cell .symbol {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 1rem; /* Default for large boards */
    font-weight: 400;
    user-select: none;
}

/* Board-size specific adjustments */
.game-board.size-5 {
    gap: 10px;
}
.game-board.size-5 .game-cell .symbol {
    font-size: 2.5rem;
}

.game-board.size-18,
.game-board.size-36 {
    gap: 2px;
    padding: 2px;
    border-width: 2px;
}

#gallery-section {
    padding: 4rem 0;
    background-color: var(--primary-color-light);
}

.cat-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.cat-gallery-item {
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    position: relative;
}

.cat-gallery-item:hover {
    transform: translateY(-5px) scale(1.03);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

.cat-gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.cat-gallery-item .photographer-credit {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(0,0,0,0.5);
    color: white;
    padding: 0.5rem;
    text-align: center;
    font-size: 0.8rem;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.cat-gallery-item:hover .photographer-credit {
    opacity: 1;
}

.cat-gallery-item .photographer-credit a {
    color: var(--accent-color);
    text-decoration: none;
}



footer {
    background-color: var(--text-color);
    color: white;
    padding: 2rem 0;
}