Print grid on html + minimalist css (which will not be used)

web/assets/css/index.css

@@ -0,0 +1,117 @@
+* {
+    margin: 0;
+    padding: 0;
+    box-sizing: border-box;
+}
+
+html, body {
+    width: 100%;
+    height: 100%;
+    overflow: hidden;
+}
+
+body {
+    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
+}
+
+main {
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    padding: 20px;
+    border-radius: 15px;
+    background: rgba(255, 255, 255, 0.1);
+    backdrop-filter: blur(4px);
+    min-width: fit-content;
+    flex-shrink: 0;
+}
+
+.map {
+    display: flex;
+    flex-direction: column;
+    gap: 2px;
+    padding: 15px;
+    background: rgba(0, 0, 0, 0.2);
+    border-radius: 10px;
+    width: fit-content;
+    height: fit-content;
+}
+
+.lign {
+    display: flex;
+    margin: 2px 2px;
+}
+
+.cell {
+    border: 2px solid rgba(255, 255, 255, 0.3);
+    border-radius: 5px;
+    width: 100%;
+    height: 100%;
+    transition: all 0.2s ease;
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    margin: 2px 2px;
+}
+
+.empty {
+    background-color: rgba(200, 200, 200, 0.3);
+}
+
+.empty:hover {
+    background-color: rgba(200, 200, 200, 0.5);
+}
+
+.laser {
+    background-color: #FFD700;
+    border-color: #FFA500;
+}
+
+.colored-laser {
+    background: linear-gradient(45deg, #FF1493, #00CED1);
+    box-shadow: inset 0 0 10px rgba(255, 20, 147, 0.6);
+    border-color: #FF1493;
+}
+
+.mirror {
+    background: linear-gradient(45deg, #C0C0C0 25%, transparent 25%, transparent 75%, #C0C0C0 75%) / 10px 10px;
+    background-color: #E8E8E8;
+    border-color: #A9A9A9;
+}
+
+.door {
+    background-color: #8B4513;
+    border-color: #654321;
+    position: relative;
+}
+
+.door::after {
+    content: '🚪';
+    font-size: 24px;
+}
+
+.button {
+    background-color: #FF6347;
+    border-color: #DC143C;
+    border-radius: 50%;
+}
+
+.wall {
+    background-color: #2F4F4F;
+    border-color: #000000;
+    box-shadow: inset 0 0 10px rgba(0, 0, 0, 0.8);
+}
+
+.demi-wall {
+    background: linear-gradient(to right, #2F4F4F 50%, rgba(200, 200, 200, 0.3) 50%);
+    border-color: #444444;
+}
+
+.target {
+    background: radial-gradient(circle, #00FF00 30%, rgba(0, 255, 0, 0.3) 70%);
+    border-color: #00CC00;
+}