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

body {
    font-family: Arial, sans-serif;
    background: linear-gradient(135deg, #ff7e5f, #feb47b); /* Ciepły gradient */
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    color: white;
    position: relative;
    overflow: hidden; /* Usunięcie pasków przewijania */
}

.game-container {
    text-align: center;
    border: 2px solid #fff;
    padding: 40px;
    background-color: rgba(255, 255, 255, 0.2);
    border-radius: 10px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 40px;
}

h1 {
    margin-bottom: 20px;
    font-size: 2.5rem;
}

#clickable-barrel {
    width: 150px;
    cursor: pointer;
    transition: transform 0.1s;
}

#clickable-barrel:hover {
    transform: scale(1.1);
}

/* Menu walut w prawym górnym rogu */
.currency-menu {
    position: absolute;
    top: 20px;
    right: 20px;
    display: flex;
    gap: 50px;
    font-size: 2.5rem;
}

.currency-item {
    display: flex;
    align-items: center;
    gap: 20px;
}

.currency-icon {
    width: 105px;
    height: 150px;
}

#scrap, #magnets {
    font-size: 5.4rem;
}

/* Ikona Upgrades (strzałka) */
.upgrades-icon {
    position: absolute;
    top: 20%;
    right: 20px;
    cursor: pointer;
    transform: rotate(-90deg);
    z-index: 10;
}

/* Okno Upgrades */
.upgrades {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(0, 0, 0, 0.7);
    color: white;
    width: 600px;
    height: 400px;
    padding: 20px;
    border-radius: 10px;
    display: none;
    z-index: 20;
}

/* Zakładki */
.tabs {
    display: flex;
    justify-content: center;
    gap: 100px; /* Większy odstęp między kategoriami */
    margin-bottom: 20px;
}

.tab {
    background: none;
    border: none;
    cursor: pointer;
}

.tab img {
    width: 40px;
    height: 50px;
}

/* Treści zakładek */
.tab-content {
    display: none;
    margin-top: 20px; /* Większy odstęp między treścią a przyciskami */
}

.tab-content.visible {
    display: block;
}

/* Przyciski Upgrade */
.upgrade-btn {
    background-color: #333;
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    font-size: 1.2rem;
    cursor: pointer;
    margin: 10px 0;
    width: 100%;
}

.upgrade-btn:hover {
    background-color: #555;
}

.upgrade-btn:disabled {
    background-color: #888;
    cursor: not-allowed;
}