* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Arial, sans-serif;
}

body {
    background-color: #121212;
    color: #fff;
    text-align: center;
    padding: 20px;
    transition: background-color 0.3s, color 0.3s;
}

.container {
    max-width: 90%;
    margin: auto;
}

h1 {
    margin-bottom: 20px;
}

/* Controls - Search, Dropdown, Theme Toggle */
.controls {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
    margin-bottom: 20px;
}

#search, #currency-select,#sort-select, #theme-toggle {
    padding: 12px;
    font-size: 16px;
    border-radius: 5px;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
}

#search {
    width: 200px;
}

#currency-select {
    width: 120px;
}

#theme-toggle {
    background-color: #444;
    color: white;
}

#theme-toggle:hover {
    background-color: #666;
}

/* Crypto Cards */
#crypto-container {
    margin-top: 10px;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
}

.crypto-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: #222;
    padding: 15px;
    margin: 10px;
    border-radius: 8px;
    cursor: pointer;
    transition: transform 0.2s, background 0.3s;
    width: 300px;
    box-shadow: 0px 2px 10px rgba(255, 255, 255, 0.1);
}

.crypto-card:hover {
    background: #333;
    transform: scale(1.05);
}

.crypto-card img {
    width: 40px;
    height: 40px;
    border-radius: 50%;
}

.price {
    font-weight: bold;
}

/* Price Change Colors */
.green {
    color: #00ff00;
}

.red {
    color: #ff0000;
}

/* Pagination */
.pagination {
    margin-top: 20px;
}

button {
    background-color: #333;
    color: white;
    border: none;
    padding: 10px;
    cursor: pointer;
    border-radius: 5px;
    transition: background 0.3s ease, transform 0.2s;
}

button:hover {
    background-color: #555;
    transform: scale(1.1);
}

/* Light Mode */
.light-mode {
    background-color: #f9f9f9;
    color: #333;
}

.light-mode .crypto-card {
    background: #fff;
    border: 1px solid #ddd;
    box-shadow: 0px 2px 10px rgba(0, 0, 0, 0.1);
}

.light-mode .crypto-card:hover {
    background: #f1f1f1;
}

.light-mode #theme-toggle {
    background-color: #333;
    color: #fff;
}

/* Responsive Design */
@media (max-width: 768px) {
    .crypto-card {
        width: 100%;
        flex-direction: column;
        text-align: center;
    }
    
    #search {
        width: 100%;
    }

    .controls {
        flex-direction: column;
        align-items: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 10px;
    }

    .crypto-card {
        padding: 10px;
    }

    button {
        padding: 8px;
        font-size: 14px;
    }
}