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2189 lines (1912 loc) · 72.5 KB
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<!DOCTYPE html>
<!-- MIT License
Copyright (c) 2025 Valentyn Kolesnikov <0009-0003-9608-3364@orcid.org>
-->
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta name="description" content="Flow Connect">
<link rel="icon" type="image/x-icon" href="FlowConnect.ico"/>
<title>Flow Connect</title>
<style>
* {
margin: 0;
padding: 0;
box-sizing: border-box;
}
body {
font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
min-height: 100vh;
display: flex;
justify-content: center;
align-items: center;
padding: 10px;
overflow: hidden;
}
.container {
background: white;
border-radius: 15px;
padding: 15px;
box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
max-width: 650px;
width: 100%;
max-height: 98vh;
overflow-y: auto;
}
.header {
text-align: center;
margin-bottom: 10px;
}
h1 {
color: #333;
font-size: 22px;
margin-bottom: 5px;
text-shadow: 2px 2px 4px rgba(0,0,0,0.1);
}
.difficulty {
display: inline-block;
background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
padding: 5px 15px;
border-radius: 15px;
font-size: 12px;
color: white;
font-weight: 600;
}
.level-info {
display: flex;
justify-content: space-between;
align-items: center;
margin-bottom: 10px;
padding: 8px;
background: #f9f9f9;
border-radius: 8px;
}
.info-buttons {
display: flex;
gap: 8px;
justify-content: center;
margin-bottom: 10px;
}
.info-btn {
padding: 6px 12px;
background: #f0f0f0;
color: #666;
border: none;
border-radius: 6px;
font-size: 12px;
cursor: pointer;
transition: all 0.3s;
}
.info-btn:hover {
background: #e0e0e0;
transform: translateY(-1px);
}
.difficulty-tabs {
display: grid;
grid-template-columns: repeat(4, 1fr);
gap: 6px;
margin-bottom: 10px;
}
.difficulty-btn {
padding: 8px;
background: #f0f0f0;
color: #333;
font-size: 12px;
border: 2px solid transparent;
border-radius: 8px;
cursor: pointer;
transition: all 0.3s;
font-weight: 600;
}
.difficulty-btn.active {
background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
color: white;
border-color: #764ba2;
}
.level-selector {
display: grid;
grid-template-columns: repeat(5, 1fr);
gap: 6px;
margin-bottom: 10px;
}
.level-btn {
padding: 8px 4px;
background: #f0f0f0;
color: #333;
font-size: 11px;
border: 2px solid transparent;
border-radius: 8px;
cursor: pointer;
transition: all 0.3s;
position: relative;
font-weight: 600;
}
.level-btn.active {
background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
color: white;
border-color: #764ba2;
}
.level-btn.completed::after {
content: '✓';
position: absolute;
top: 2px;
right: 2px;
background: #4caf50;
color: white;
width: 14px;
height: 14px;
border-radius: 50%;
font-size: 9px;
display: flex;
align-items: center;
justify-content: center;
}
.game-board {
background: #fafafa;
border-radius: 10px;
padding: 10px;
margin-bottom: 10px;
position: relative;
overflow: hidden;
display: flex;
justify-content: center;
align-items: center;
}
.grid-container {
position: relative;
display: inline-block;
}
.grid {
display: grid;
gap: 0;
background: #ddd;
border: 3px solid #999;
border-radius: 8px;
overflow: hidden;
position: relative;
}
.cell {
width: 45px;
height: 45px;
background: white;
position: relative;
cursor: pointer;
transition: all 0.1s;
border: 1px solid #e0e0e0;
}
/* Adjust cell size for larger grids */
.grid.size-8 .cell {
width: 40px;
height: 40px;
}
.grid.size-9 .cell {
width: 35px;
height: 35px;
}
.grid.size-10 .cell {
width: 32px;
height: 32px;
}
.cell.filled {
background: #ff9800;
border-color: #f57c00;
}
.cell.active-path {
background: #ffa726;
}
.cell .number {
position: absolute;
top: 50%;
left: 50%;
transform: translate(-50%, -50%);
width: 28px;
height: 28px;
background: #000;
color: white;
border-radius: 50%;
display: flex;
align-items: center;
justify-content: center;
font-weight: bold;
font-size: 12px;
z-index: 10;
box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}
.grid.size-8 .cell .number {
width: 25px;
height: 25px;
font-size: 11px;
}
.grid.size-9 .cell .number {
width: 22px;
height: 22px;
font-size: 10px;
}
.grid.size-10 .cell .number {
width: 20px;
height: 20px;
font-size: 9px;
}
.cell.start .number {
animation: pulse 2s infinite;
}
@keyframes pulse {
0%, 100% { transform: translate(-50%, -50%) scale(1); }
50% { transform: translate(-50%, -50%) scale(1.1); }
}
canvas {
position: absolute;
top: 0;
left: 0;
pointer-events: none;
z-index: 5;
}
.controls {
display: grid;
grid-template-columns: 1fr 1fr 1fr;
gap: 8px;
margin-bottom: 10px;
}
button {
padding: 10px 15px;
border: none;
border-radius: 8px;
font-size: 12px;
font-weight: 600;
cursor: pointer;
transition: all 0.3s;
text-transform: uppercase;
}
.btn-reset {
background: #f44336;
color: white;
}
.btn-reset:hover:not(:disabled) {
background: #d32f2f;
transform: translateY(-1px);
}
.btn-undo {
background: #f0f0f0;
color: #666;
}
.btn-undo:hover:not(:disabled) {
background: #e0e0e0;
transform: translateY(-1px);
}
.btn-hint {
background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
color: white;
}
.btn-hint:hover:not(:disabled) {
transform: translateY(-1px);
box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}
button:disabled {
opacity: 0.5;
cursor: not-allowed;
}
.status {
text-align: center;
padding: 10px;
background: #f0f0f0;
border-radius: 8px;
margin-bottom: 10px;
font-weight: 600;
font-size: 13px;
}
.status.success {
background: #4caf50;
color: white;
animation: celebrate 0.5s;
}
.status.error {
background: #ff9800;
color: white;
animation: shake 0.5s;
}
@keyframes celebrate {
0%, 100% { transform: scale(1); }
50% { transform: scale(1.05); }
}
@keyframes shake {
0%, 100% { transform: translateX(0); }
25% { transform: translateX(-5px); }
75% { transform: translateX(5px); }
}
.progress {
text-align: center;
font-size: 14px;
color: #666;
font-weight: 600;
}
.timer {
font-size: 16px;
color: #667eea;
font-weight: bold;
}
.modal {
display: none;
position: fixed;
z-index: 1000;
left: 0;
top: 0;
width: 100%;
height: 100%;
background-color: rgba(0, 0, 0, 0.5);
animation: fadeIn 0.3s;
}
@keyframes fadeIn {
from { opacity: 0; }
to { opacity: 1; }
}
.modal.active {
display: flex;
justify-content: center;
align-items: center;
padding: 20px;
}
.modal-content {
background: white;
border-radius: 15px;
padding: 20px;
max-width: 600px;
width: 90%;
max-height: 80vh;
overflow-y: auto;
position: relative;
animation: slideIn 0.3s;
box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}
@keyframes slideIn {
from {
transform: translateY(-50px);
opacity: 0;
}
to {
transform: translateY(0);
opacity: 1;
}
}
.modal-header {
display: flex;
justify-content: space-between;
align-items: center;
margin-bottom: 15px;
}
.modal-header h2 {
color: #333;
font-size: 20px;
}
.close-btn {
background: #f44336;
color: white;
border: none;
width: 28px;
height: 28px;
border-radius: 50%;
cursor: pointer;
font-size: 18px;
display: flex;
align-items: center;
justify-content: center;
transition: all 0.3s;
}
.close-btn:hover {
background: #d32f2f;
transform: rotate(90deg);
}
.dialog {
background: white;
border-radius: 15px;
padding: 30px;
max-width: 450px;
width: 90%;
box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
animation: slideIn 0.3s;
text-align: center;
}
.congrats-icon {
font-size: 64px;
margin-bottom: 15px;
animation: bounce 1s ease-in-out;
}
@keyframes bounce {
0%, 100% { transform: translateY(0); }
50% { transform: translateY(-20px); }
}
.congrats-title {
font-size: 28px;
font-weight: bold;
color: #667eea;
margin-bottom: 15px;
}
.congrats-message {
color: #333;
font-size: 16px;
margin-bottom: 20px;
line-height: 1.6;
}
.time-stats {
background: #f9f9f9;
border-radius: 10px;
padding: 15px;
margin-bottom: 20px;
}
.time-stat {
display: flex;
justify-content: space-between;
align-items: center;
padding: 8px 0;
border-bottom: 1px solid #e0e0e0;
}
.time-stat:last-child {
border-bottom: none;
}
.time-label {
font-weight: 600;
color: #666;
}
.time-value {
font-size: 18px;
font-weight: bold;
color: #667eea;
}
.dialog-buttons {
display: flex;
gap: 10px;
justify-content: center;
}
.dialog-btn {
padding: 12px 24px;
border: none;
border-radius: 8px;
font-size: 14px;
font-weight: 600;
cursor: pointer;
transition: all 0.3s;
text-transform: uppercase;
}
.dialog-btn-next {
background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
color: white;
}
.dialog-btn-next:hover {
box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
transform: translateY(-2px);
}
.dialog-btn-restart {
background: #4caf50;
color: white;
}
.dialog-btn-restart:hover {
background: #45a049;
transform: translateY(-2px);
}
.dialog-btn-stay {
background: #f0f0f0;
color: #666;
}
.dialog-btn-stay:hover {
background: #e0e0e0;
}
.leaderboard {
background: #f9f9f9;
padding: 15px;
border-radius: 8px;
max-height: 500px;
overflow-y: auto;
}
.difficulty-section {
margin-bottom: 20px;
}
.difficulty-section:last-child {
margin-bottom: 0;
}
.difficulty-header {
display: inline-block;
background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
color: white;
padding: 6px 15px;
border-radius: 8px;
font-size: 14px;
font-weight: 700;
margin-bottom: 10px;
}
.difficulty-header.easy {
background: linear-gradient(135deg, #4caf50 0%, #45a049 100%);
}
.difficulty-header.medium {
background: linear-gradient(135deg, #ff9800 0%, #f57c00 100%);
}
.difficulty-header.hard {
background: linear-gradient(135deg, #f44336 0%, #d32f2f 100%);
}
.difficulty-header.expert {
background: linear-gradient(135deg, #9c27b0 0%, #7b1fa2 100%);
}
.level-leaderboard {
margin-bottom: 15px;
}
.level-leaderboard-title {
font-weight: 600;
color: #555;
margin-bottom: 8px;
font-size: 13px;
}
.leaderboard-entry {
display: grid;
grid-template-columns: 35px 1fr 110px;
gap: 8px;
padding: 10px;
background: white;
border-radius: 6px;
margin-bottom: 8px;
align-items: center;
box-shadow: 0 2px 5px rgba(0,0,0,0.1);
font-size: 13px;
}
.leaderboard-entry.top-1 {
background: linear-gradient(135deg, #ffd700 0%, #ffed4e 100%);
font-weight: bold;
}
.leaderboard-entry.top-2 {
background: linear-gradient(135deg, #c0c0c0 0%, #e8e8e8 100%);
}
.leaderboard-entry.top-3 {
background: linear-gradient(135deg, #cd7f32 0%, #e6a672 100%);
}
.rank {
font-weight: bold;
font-size: 16px;
color: #667eea;
}
.time-display {
color: #666;
font-size: 13px;
}
.date-display {
color: #999;
font-size: 11px;
text-align: right;
}
.no-records {
text-align: center;
color: #999;
padding: 15px;
font-style: italic;
}
.instructions {
background: #f9f9f9;
padding: 15px;
border-radius: 8px;
}
.instructions h3 {
margin-bottom: 12px;
color: #333;
font-size: 16px;
}
.instructions ol {
margin-left: 18px;
color: #666;
line-height: 1.8;
font-size: 14px;
}
.instructions li {
margin-bottom: 8px;
}
.instructions strong {
color: #667eea;
}
@media (max-width: 600px) {
.cell {
width: 38px;
height: 38px;
}
.cell .number {
width: 24px;
height: 24px;
font-size: 11px;
}
.grid.size-8 .cell {
width: 35px;
height: 35px;
}
.grid.size-8 .cell .number {
width: 22px;
height: 22px;
font-size: 10px;
}
.grid.size-9 .cell {
width: 31px;
height: 31px;
}
.grid.size-9 .cell .number {
width: 20px;
height: 20px;
font-size: 9px;
}
.grid.size-10 .cell {
width: 28px;
height: 28px;
}
.grid.size-10 .cell .number {
width: 18px;
height: 18px;
font-size: 8px;
}
.level-selector {
grid-template-columns: repeat(4, 1fr);
}
h1 {
font-size: 18px;
}
.leaderboard-entry {
grid-template-columns: 30px 1fr 100px;
font-size: 12px;
}
.congrats-title {
font-size: 22px;
}
.congrats-icon {
font-size: 48px;
}
}
</style>
</head>
<body>
<div class="container">
<div class="header">
<h1>🔗 Flow Connect</h1>
<div class="difficulty">Difficulty: <span id="difficultyLabel">Easy</span></div>
</div>
<div class="info-buttons">
<button class="info-btn" onclick="openModal('instructions')">📖 How to Play</button>
<button class="info-btn" onclick="openModal('leaderboard')">🏆 Leaderboard</button>
</div>
<div class="difficulty-tabs">
<button class="difficulty-btn active" onclick="filterLevelsByDifficulty('Easy', this)">Easy</button>
<button class="difficulty-btn" onclick="filterLevelsByDifficulty('Medium', this)">Medium</button>
<button class="difficulty-btn" onclick="filterLevelsByDifficulty('Hard', this)">Hard</button>
<button class="difficulty-btn" onclick="filterLevelsByDifficulty('Expert', this)">Expert</button>
</div>
<div class="level-selector" id="levelSelector"></div>
<div class="level-info">
<div class="progress" id="progress">Coverage: 0%</div>
<div class="timer" id="timer">⏱ 00:00</div>
</div>
<div class="status" id="status">Connect numbers in order and fill all cells!</div>
<div class="game-board">
<div class="grid-container">
<canvas id="pathCanvas"></canvas>
<div class="grid" id="grid"></div>
</div>
</div>
<div class="controls">
<button class="btn-reset" onclick="resetLevel()">🔄 Reset</button>
<button class="btn-undo" onclick="undo()">↶ Undo</button>
<button class="btn-hint" onclick="showHint()">💡 Hint</button>
</div>
</div>
<div id="instructionsModal" class="modal">
<div class="modal-content">
<div class="modal-header">
<h2>📖 How to Play</h2>
<button class="close-btn" onclick="closeModal('instructions')">×</button>
</div>
<div class="instructions">
<ol>
<li><strong>Connect numbers in sequential order</strong> (1→2→3...)</li>
<li><strong>Click or drag</strong> through adjacent cells (horizontal/vertical only)</li>
<li><strong>Fill every cell</strong> in the grid to complete the level</li>
<li><strong>Use Hint button</strong> to automatically fill the next cell using the optimal path</li>
<li><strong>Complete levels faster</strong> to get better times on the leaderboard</li>
<li><strong>20 unique levels</strong> across 4 difficulty levels await you!</li>
<li><strong>Track your progress</strong> - completed levels are marked with a ✓</li>
</ol>
</div>
</div>
</div>
<div id="leaderboardModal" class="modal">
<div class="modal-content">
<div class="modal-header">
<h2>🏆 Leaderboard</h2>
<button class="close-btn" onclick="closeModal('leaderboard')">×</button>
</div>
<div class="leaderboard" id="leaderboardList"></div>
</div>
</div>
<div id="dialogModal" class="modal">
<div class="dialog" id="congratsDialog"></div>
</div>
<script>
const levels = [
// EASY LEVELS - Strategic placements for 5x5 and 6x6 grids
{
size: 5,
numbers: [
{num: 1, row: 0, col: 2},
{num: 2, row: 2, col: 0},
{num: 3, row: 4, col: 2},
{num: 4, row: 2, col: 4},
{num: 5, row: 1, col: 2},
{num: 6, row: 2, col: 1},
{num: 7, row: 3, col: 2},
{num: 8, row: 2, col: 3},
{num: 9, row: 2, col: 2}
],
difficulty: "Easy",
name: "Level 1"
},
{
size: 5,
numbers: [
{num: 1, row: 0, col: 0},
{num: 2, row: 0, col: 4},
{num: 3, row: 2, col: 4},
{num: 4, row: 4, col: 4},
{num: 5, row: 4, col: 2},
{num: 6, row: 4, col: 0},
{num: 7, row: 2, col: 0},
{num: 8, row: 1, col: 2},
{num: 9, row: 3, col: 2}
],
difficulty: "Easy",
name: "Level 2"
},
{
size: 5,
numbers: [
{num: 1, row: 4, col: 4},
{num: 2, row: 2, col: 4},
{num: 3, row: 0, col: 4},
{num: 4, row: 0, col: 2},
{num: 5, row: 0, col: 0},
{num: 6, row: 2, col: 0},
{num: 7, row: 4, col: 0},
{num: 8, row: 3, col: 2},
{num: 9, row: 1, col: 2}
],
difficulty: "Easy",
name: "Level 3"
},
{
size: 6,
numbers: [
{num: 1, row: 0, col: 0},
{num: 2, row: 0, col: 5},
{num: 3, row: 2, col: 5},
{num: 4, row: 5, col: 5},
{num: 5, row: 5, col: 3},
{num: 6, row: 5, col: 0},
{num: 7, row: 3, col: 0},
{num: 8, row: 1, col: 2},
{num: 9, row: 2, col: 2},
{num: 10, row: 3, col: 3},
{num: 11, row: 4, col: 3}
],
difficulty: "Easy",
name: "Level 4"
},
{
size: 6,
numbers: [
{num: 1, row: 5, col: 5},
{num: 2, row: 3, col: 5},
{num: 3, row: 0, col: 5},
{num: 4, row: 0, col: 3},
{num: 5, row: 0, col: 0},
{num: 6, row: 2, col: 0},
{num: 7, row: 5, col: 0},
{num: 8, row: 4, col: 2},
{num: 9, row: 3, col: 2},
{num: 10, row: 2, col: 3},
{num: 11, row: 1, col: 3}
],
difficulty: "Easy",
name: "Level 5"
},
// MEDIUM LEVELS - 7x7 grids with strategic placements
{
size: 7,
numbers: [
{num: 1, row: 2, col: 6},
{num: 2, row: 0, col: 3},
{num: 3, row: 2, col: 0},
{num: 4, row: 4, col: 0},
{num: 5, row: 6, col: 3},
{num: 6, row: 4, col: 6},
{num: 7, row: 4, col: 5},
{num: 8, row: 5, col: 3},
{num: 9, row: 4, col: 1},
{num: 10, row: 2, col: 1},
{num: 11, row: 1, col: 3},
{num: 12, row: 2, col: 5},
{num: 13, row: 2, col: 4},
{num: 14, row: 2, col: 3},
{num: 15, row: 2, col: 2},
{num: 16, row: 4, col: 2},
{num: 17, row: 4, col: 3},
{num: 18, row: 4, col: 4},
{num: 19, row: 3, col: 3}
],
difficulty: "Medium",
name: "Level 6"
},
{
size: 7,
numbers: [
{num: 1, row: 0, col: 6},
{num: 2, row: 6, col: 6},
{num: 3, row: 6, col: 0},
{num: 4, row: 0, col: 0},
{num: 5, row: 1, col: 5},
{num: 6, row: 5, col: 5},
{num: 7, row: 5, col: 1},
{num: 8, row: 1, col: 1},
{num: 9, row: 2, col: 3},
{num: 10, row: 3, col: 4},
{num: 11, row: 4, col: 3},
{num: 12, row: 3, col: 2},
{num: 13, row: 3, col: 3}
],
difficulty: "Medium",
name: "Level 7"
},
{
size: 7,
numbers: [
{num: 1, row: 6, col: 4},
{num: 2, row: 3, col: 6},
{num: 3, row: 0, col: 4},
{num: 4, row: 0, col: 2},
{num: 5, row: 3, col: 0},
{num: 6, row: 6, col: 2},
{num: 7, row: 5, col: 2},
{num: 8, row: 3, col: 1},
{num: 9, row: 1, col: 2},
{num: 10, row: 1, col: 4},
{num: 11, row: 3, col: 5},
{num: 12, row: 5, col: 4},
{num: 13, row: 4, col: 4},
{num: 14, row: 3, col: 4},
{num: 15, row: 2, col: 4},
{num: 16, row: 2, col: 2},
{num: 17, row: 3, col: 2},
{num: 18, row: 4, col: 2},
{num: 19, row: 3, col: 3}