/* General Styles */
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;
    background-color: #f0f2f5;
    color: #333;
    line-height: 1.6;
    margin: 0;
    padding: 20px;
}

#app {
    max-width: 800px;
    margin: 0 auto;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

header, footer {
    background-color: #4a90e2;
    color: white;
    padding: 20px;
    text-align: center;
}

header h1 {
    margin: 0;
    font-size: 2em;
}

main {
    padding: 30px;
}

/* User Input Section */
#user-input-section {
    margin-bottom: 30px;
    text-align: center;
}

#user-numbers {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-bottom: 20px;
}

#user-numbers input {
    width: 50px;
    height: 50px;
    text-align: center;
    font-size: 1.2em;
    border-radius: 8px;
    border: 1px solid #ddd;
    transition: all 0.2s;
}

#user-numbers input:focus {
    border-color: #4a90e2;
    box-shadow: 0 0 8px rgba(74, 144, 226, 0.5);
    outline: none;
}

button {
    background-color: #50e3c2;
    color: white;
    border: none;
    padding: 15px 30px;
    font-size: 1.2em;
    border-radius: 8px;
    cursor: pointer;
    transition: background-color 0.3s;
    box-shadow: 0 4px 15px rgba(80, 227, 194, 0.4);
}

button:hover {
    background-color: #29bba0;
}

button + button {
    margin-left: 10px;
}

/* Results Section */
#results h2 {
    border-bottom: 2px solid #eee;
    padding-bottom: 10px;
    margin-bottom: 20px;
}

.game-result {
    background-color: #f9f9f9;
    border: 1px solid #eee;
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
}

.game-header {
    font-size: 1.2em;
    margin-bottom: 15px;
    color: #555;
}

.numbers-container {
    display: flex;
    justify-content: space-between;
    gap: 20px;
}

.result-numbers-set {
    display: flex;
    align-items: center;
    gap: 8px;
}

.number {
    display: inline-block;
    width: 40px;
    height: 40px;
    line-height: 40px;
    text-align: center;
    border-radius: 50%;
    background-color: #ddd;
    color: #333;
    font-weight: bold;
    font-size: 1.1em;
}

.number.matched {
    background-color: #ffd700; /* Gold */
    color: #fff;
    box-shadow: 0 0 10px rgba(255, 215, 0, 0.7);
}

/* Footer */
footer {
    padding: 15px;
    font-size: 0.9em;
}

/* Dark Mode */
body.dark-mode {
    background-color: #1a1a1a;
    color: #f0f2f5;
}

body.dark-mode #app {
    background: #2a2a2a;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

body.dark-mode header, body.dark-mode footer {
    background-color: #333;
}

body.dark-mode #user-numbers input {
    background-color: #333;
    color: #f0f2f5;
    border-color: #555;
}

body.dark-mode #user-numbers input:focus {
    border-color: #50e3c2;
    box-shadow: 0 0 8px rgba(80, 227, 194, 0.5);
}

body.dark-mode button {
    background-color: #29bba0;
    box-shadow: 0 4px 15px rgba(41, 187, 160, 0.4);
}

body.dark-mode button:hover {
    background-color: #50e3c2;
}

body.dark-mode #results h2 {
    border-bottom-color: #555;
}

body.dark-mode .game-result {
    background-color: #333;
    border-color: #555;
}

body.dark-mode .game-header {
    color: #ccc;
}

body.dark-mode .number {
    background-color: #555;
    color: #f0f2f5;
}

body.dark-mode .number.matched {
    background-color: #ffd700;
    color: #1a1a1a;
    box-shadow: 0 0 10px rgba(255, 215, 0, 0.7);
}

@media (prefers-color-scheme: dark) {
    body {
        background-color: #1a1a1a;
        color: #f0f2f5;
    }

    #app {
        background: #2a2a2a;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    }

    header, footer {
        background-color: #333;
    }

    #user-numbers input {
        background-color: #333;
        color: #f0f2f5;
        border-color: #555;
    }

    #user-numbers input:focus {
        border-color: #50e3c2;
        box-shadow: 0 0 8px rgba(80, 227, 194, 0.5);
    }

    button {
        background-color: #29bba0;
        box-shadow: 0 4px 15px rgba(41, 187, 160, 0.4);
    }

    button:hover {
        background-color: #50e3c2;
    }

    #results h2 {
        border-bottom-color: #555;
    }

    .game-result {
        background-color: #333;
        border-color: #555;
    }

    .game-header {
        color: #ccc;
    }

    .number {
        background-color: #555;
        color: #f0f2f5;
    }

    .number.matched {
        background-color: #ffd700;
        color: #1a1a1a;
        box-shadow: 0 0 10px rgba(255, 215, 0, 0.7);
    }
}