:root {
    --bg-color: #121212;
    --panel-bg: rgba(255, 255, 255, 0.05);
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --accent-red: #ff3b3b;
    --accent-orange: #ff9800;
    --accent-yellow: #ffeb3b;
    --border-color: rgba(255, 255, 255, 0.1);
    --font-main: 'Outfit', sans-serif;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    user-select: none;
    /* Prevent text selection while clicking rapidly */
}

body {
    font-family: var(--font-main);
    background-color: var(--bg-color);
    color: var(--text-primary);
    /* Allowed scrolling for SEO and legal pages content */
}

.app-container {
    display: flex;
    min-height: calc(100vh - 70px);
    width: 100vw;
}

/* New Layout Styles */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 40px;
    background: rgba(0, 0, 0, 0.8);
    border-bottom: 1px solid var(--border-color);
    backdrop-filter: blur(10px);
    height: 70px;
}

.navbar .logo {
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--accent-orange);
    text-decoration: none;
}

.navbar nav a {
    color: var(--text-primary);
    text-decoration: none;
    margin-left: 20px;
    font-weight: bold;
    transition: color 0.2s;
}

.navbar nav a:hover {
    color: var(--accent-yellow);
}

.page-layout .content-container,
.seo-content {
    max-width: 800px;
    margin: 40px auto;
    padding: 20px;
    line-height: 1.6;
}

.seo-content h2,
.seo-content h3,
.content-container h1,
.content-container h2 {
    color: var(--accent-yellow);
    margin-top: 30px;
    margin-bottom: 10px;
}

.seo-content p,
.content-container p {
    margin-bottom: 20px;
    color: var(--text-secondary);
}

.seo-content ul,
.content-container ul {
    margin-left: 20px;
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.seo-content ul li,
.content-container ul li {
    margin-bottom: 10px;
}

.content-container a,
.seo-content a {
    color: var(--accent-orange);
}

footer {
    text-align: center;
    padding: 40px 20px;
    background: rgba(0, 0, 0, 0.6);
    border-top: 1px solid var(--border-color);
    margin-top: 40px;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.footer-links {
    margin-top: 15px;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    margin: 0 10px;
    transition: color 0.2s;
}

.footer-links a:hover {
    color: var(--text-primary);
}

/* MAIN GAME AREA */
.game-area {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    padding-top: 10px;
    position: relative;
    background: radial-gradient(circle at center, #2a2a2a 0%, #121212 100%);
}

.score-board {
    position: relative;
    text-align: center;
    z-index: 10;
    margin-bottom: 50px;
}

.score-display {
    font-size: 4rem;
    font-weight: 900;
    text-shadow: 0 4px 10px rgba(0, 0, 0, 0.5);
    background: linear-gradient(90deg, var(--accent-orange), var(--accent-yellow));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 0px;
}

.main-title {
    text-align: center;
    padding: 15px;
    margin: 0;
    background: rgba(0, 0, 0, 0.4);
    color: var(--accent-yellow);
    font-size: 1.6rem;
    border-bottom: 1px solid var(--border-color);
}

.score-board p {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--text-secondary);
}

.wps {
    margin-top: 10px;
    background: rgba(0, 0, 0, 0.5);
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 1.2rem;
    color: var(--text-primary);
    backdrop-filter: blur(5px);
    border: 1px solid var(--border-color);
}

.burger-container {
    position: relative;
    cursor: pointer;
    transition: transform 0.1s ease;
    width: 300px;
    height: 300px;
    display: flex;
    justify-content: center;
    align-items: center;
}

/* Pulsing effect in background */
.burger-container::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(255, 152, 0, 0.2) 0%, transparent 70%);
    z-index: -1;
    border-radius: 50%;
    animation: pulse 3s infinite ease-in-out;
}

.burger-image {
    width: 100%;
    height: auto;
    filter: drop-shadow(0 15px 25px rgba(0, 0, 0, 0.6));
    transition: transform 0.05s ease;
}

.burger-image:active {
    transform: scale(0.95);
}

/* Click Particle Effect */
.click-particle {
    position: absolute;
    color: var(--accent-yellow);
    font-weight: bold;
    font-size: 1.5rem;
    pointer-events: none;
    animation: floatUp 1s ease-out forwards;
    z-index: 20;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.8);
}

/* UPGRADES SIDEBAR */
.store-sidebar {
    width: 350px;
    background: rgba(0, 0, 0, 0.8);
    border-left: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    backdrop-filter: blur(10px);
}

.store-header {
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
    background: rgba(255, 255, 255, 0.02);
}

.store-header h2 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
}

.upgrades-list {
    flex: 1;
    overflow-y: auto;
    padding: 10px;
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
    align-items: center;
    justify-content: center;
}

.modal.show {
    display: flex;
    animation: fadeIn 0.2s;
}

.modal-content {
    background-color: #1e1e1e;
    padding: 30px;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    text-align: center;
    max-width: 400px;
    width: 90%;
}

.modal-content h2 {
    color: var(--accent-red);
    margin-bottom: 15px;
}

.modal-content p {
    color: var(--text-secondary);
}

.modal-actions {
    margin-top: 25px;
    display: flex;
    justify-content: center;
    gap: 15px;
}

.btn-cancel,
.btn-danger {
    padding: 10px 20px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-weight: bold;
    font-size: 1rem;
    transition: 0.2s;
}

.btn-cancel {
    background: #333;
    color: white;
}

.btn-cancel:hover {
    background: #555;
}

.btn-danger {
    background: var(--accent-red);
    color: white;
}

.btn-danger:hover {
    background: #cc2525;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

/* Custom Scrollbar */
.upgrades-list::-webkit-scrollbar {
    width: 8px;
}

.upgrades-list::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.2);
}

.upgrades-list::-webkit-scrollbar-thumb {
    background: var(--text-secondary);
    border-radius: 4px;
}

.upgrade-item {
    display: flex;
    align-items: center;
    background: var(--panel-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 15px;
    margin-bottom: 10px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.upgrade-item:hover:not(.disabled) {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--accent-orange);
    transform: translateY(-2px);
}

.upgrade-item.disabled {
    opacity: 0.5;
    cursor: not-allowed;
    filter: grayscale(1);
}

.upgrade-icon {
    font-size: 2.5rem;
    margin-right: 15px;
    background: rgba(0, 0, 0, 0.3);
    border-radius: 8px;
    padding: 10px;
}

.upgrade-info {
    flex: 1;
}

.upgrade-name {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 4px;
}

.upgrade-cost {
    color: var(--accent-red);
    font-weight: bold;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 5px;
}

.upgrade-desc {
    color: var(--text-secondary);
    font-size: 0.8rem;
    margin-top: 4px;
}

.upgrade-count {
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--text-secondary);
    opacity: 0.3;
}

/* Animations */
@keyframes floatUp {
    0% {
        transform: translateY(0) scale(1);
        opacity: 1;
    }

    100% {
        transform: translateY(-100px) scale(1.5);
        opacity: 0;
    }
}

@keyframes pulse {
    0% {
        transform: scale(0.9);
        opacity: 0.5;
    }

    50% {
        transform: scale(1.1);
        opacity: 0.8;
    }

    100% {
        transform: scale(0.9);
        opacity: 0.5;
    }
}

/* Responsive */
@media (max-width: 768px) {
    .app-container {
        flex-direction: column;
    }

    .store-sidebar {
        width: 100%;
        height: 50vh;
        /* Bottom half on mobile */
        border-left: none;
        border-top: 1px solid var(--border-color);
    }

    .game-area {
        height: 50vh;
    }

    h1 {
        font-size: 3rem;
    }

    .burger-container {
        width: 200px;
        height: 200px;
    }

    .score-board {
        top: 2vh;
    }
}