* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html,
body {
    width: 100vw;
    height: 100vh;
    overflow: hidden;
}

body {
    background: #f7f7f7;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Arial', sans-serif;
}

main {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 20px;
    border-radius: 10px;
    min-width: fit-content;
    flex-shrink: 0;
}

/* ================================
   GRID
================================ */

.map {
    display: flex;
    flex-direction: column;
    gap: 0px;
    padding: 10px;
    background: #DADEEF;
    border-radius: 5px;
}

.lign {
    display: flex;
    gap: 0px;
    margin: 0;
}

/* ================================
   CELLS
================================ */

.cell {
    width: clamp(28px, 5.5vmin, 60px);
    height: clamp(28px, 5.5vmin, 60px);
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0;
    position: relative;
    background-color: #2a2a2a;
}

/* ================================
   CASES TYPE
================================ */

.empty {
    background-color: #DADEEF;
    border-color: #DADEEF;
}

.empty:hover {
    background-color: #333333;
}

.laser {
    background-color: #FFD700;
}

.mirror {
    background-color: #DADEEF;
    border-color: #444444;
    position: relative;
    overflow: hidden;
}

.wall {
    background-color: #DADEEF;
}

.target {
    background: #00FF00;
}

/* ================================
   LIGHT LASER
================================ */

.light-laser {
    position: relative;
}

.laser-horizontal {
    background: linear-gradient(to bottom, transparent 0%, transparent 45%, red 45%, red 55%, transparent 55%, transparent 100%), #DADEEF
}

.laser-vertical {
    background: linear-gradient(to right,  transparent 0%,  transparent 45%,  red 45%,  red 55%,  transparent 55%,  transparent 100%), #DADEEF;
}

/* ================================
   MIRROR
================================ */

.btn-mirror {
    background: none;
    border: none;
    cursor: pointer;
    height: 100%;
    position: relative;
}

.btn-mirror::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 10%;
    width: 80%;
    height: 2px;
    background-color: #aaaaaa;
    transform-origin: center;
}

/* ================================
   RESPONSIVE
================================ */

@media (max-width: 600px) {
    .map {
        padding: 5px;
        border-radius: 3px;
    }

    main {
        padding: 8px;
    }
}

@media (max-height: 500px) {
    .map {
        padding: 4px;
    }
}