:root {
--primary-color: #6c5ce7;
--secondary-color: #a29bfe;
--accent-color: #fd79a8;
--light-color: #f8f9fa;
--dark-color: #343a40;
--success-color: #00b894;
--error-color: #d63031;
--border-color: #dfe6e9;
}
* {
margin: 0;
padding: 0;
box-sizing: border-box;
font-family: 'Poppins', sans-serif;
}
body {
background-color: #f5f6fa;
display: flex;
justify-content: center;
align-items: center;
min-height: 100vh;
color: var(--dark-color);
}
.game-container {
background-color: white;
border-radius: 16px;
box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
padding: 2rem;
width: 100%;
max-width: 600px;
margin: 2rem;
}
h1 {
text-align: center;
color: var(--primary-color);
margin-bottom: 1.5rem;
font-weight: 600;
}
.controls {
display: flex;
flex-wrap: wrap;
gap: 0.5rem;
justify-content: center;
margin-bottom: 1.5rem;
}
.difficulty {
display: flex;
gap: 0.5rem;
}
button {
background-color: var(--primary-color);
color: white;
border: none;
padding: 0.5rem 1rem;
border-radius: 8px;
cursor: pointer;
font-weight: 500;
transition: all 0.2s ease;
}
button:hover {
background-color: var(--secondary-color);
transform: translateY(-2px);
}
button:active {
transform: translateY(0);
}
#easy {
background-color: var(--success-color);
}
#medium {
background-color: #fdcb6e;
}
#hard {
background-color: var(--error-color);
}
.sudoku-container {
display: flex;
justify-content: center;
margin-bottom: 1.5rem;
}
.sudoku-board {
display: grid;
grid-template-columns: repeat(9, 1fr);
grid-template-rows: repeat(9, 1fr);
gap: 1px;
background-color: var(--border-color);
border: 2px solid var(--border-color);
border-radius: 8px;
overflow: hidden;
}
.cell {
width: 100%;
aspect-ratio: 1;
display: flex;
justify-content: center;
align-items: center;
background-color: white;
font-size: 1.2rem;
font-weight: 500;
cursor: pointer;
transition: all 0.2s ease;
position: relative;
}
.cell:hover {
background-color: #f1f3f9;
}
.cell.fixed {
background-color: #f8f9fa;
font-weight: 600;
color: var(--dark-color);
}
.cell.user-input {
color: var(--primary-color);
}
.cell.highlighted {
background-color: rgba(162, 155, 254, 0.2);
}
.cell.error {
color: var(--error-color);
}
.cell:nth-child(3n) {
border-right: 2px solid var(--border-color);
}
.cell:nth-child(9n) {
border-right: none;
}
.cell:nth-child(n+19):nth-child(-n+27),
.cell:nth-child(n+46):nth-child(-n+54) {
border-bottom: 2px solid var(--border-color);
}
.number-selector {
display: grid;
grid-template-columns: repeat(5, 1fr);
gap: 0.5rem;
margin-bottom: 1.5rem;
}
.num-btn {
aspect-ratio: 1;
font-size: 1.2rem;
display: flex;
justify-content: center;
align-items: center;
}
.num-btn:last-child {
grid-column: span 5;
aspect-ratio: unset;
}
.status {
text-align: center;
min-height: 1.5rem;
font-weight: 500;
color: var(--primary-color);
}
@media (max-width: 500px) {
.game-container {
padding: 1rem;
}
.cell {
font-size: 1rem;
}
}
Modern Sudoku Game
Modern Sudoku