:root {
    --bg-color: #050505;
    --card-bg: rgba(20, 20, 20, 0.7);
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --accent: #ffd700;
    /* Gold */
    --accent-hover: #ffed4a;
    --danger: #ff3b30;
    --success: #34c759;
    --font-family: 'Outfit', sans-serif;
    --glass-border: 1px solid rgba(255, 215, 0, 0.1);
}

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;500;700&display=swap');

body {
    background-color: var(--bg-color);
    background-image:
        radial-gradient(circle at 10% 20%, rgba(255, 215, 0, 0.05) 0%, transparent 20%),
        radial-gradient(circle at 90% 80%, rgba(255, 215, 0, 0.05) 0%, transparent 20%);
    color: var(--text-primary);
    font-family: var(--font-family);
    margin: 0;
    padding: 0;
    line-height: 1.6;
    min-height: 100vh;
}

#app {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 20px;
    text-align: center;
}

button {
    background: linear-gradient(135deg, #b8860b 0%, var(--accent) 100%);
    color: #000;
    font-weight: 700;
    border: none;
    padding: 12px 24px;
    border-radius: 50px;
    font-size: 1rem;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
    text-transform: uppercase;
    letter-spacing: 1px;
}

button:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(255, 215, 0, 0.4);
}

input {
    background: rgba(255, 255, 255, 0.05);
    border: var(--glass-border);
    color: white;
    padding: 12px 16px;
    border-radius: 12px;
    margin-bottom: 15px;
    display: block;
    width: 100%;
    box-sizing: border-box;
    font-family: inherit;
    transition: border-color 0.3s;
}

input:focus {
    outline: none;
    border-color: var(--accent);
}

.card {
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border: var(--glass-border);
    border-radius: 20px;
    padding: 30px;
    margin: 30px 0;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

h1,
h2,
h3 {
    font-weight: 700;
    color: var(--text-primary);
}

h1 {
    font-size: 3rem;
    background: linear-gradient(to right, #fff, var(--accent));
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 0.5rem;
}

.hidden {
    display: none !important;
}

#gameContainer {
    padding: 0 !important;
}

.auth-form {
    max-width: 400px;
    margin: 40px auto;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
    border-bottom: 1px solid #30363d;
    margin-bottom: 20px;
}

@media (max-width: 768px) {
    #app {
        padding: 20px 10px;
    }

    h1 {
        font-size: 2rem;
    }

    .card {
        padding: 15px;
        margin: 15px 0;
    }

    /* Stack flex containers on mobile */
    .card>div {
        flex-direction: column;
        align-items: center;
    }

    .card>div>div {
        width: 100% !important;
        /* Force cards full width */
        max-width: 300px;
    }

    button {
        width: 100%;
        padding: 15px;
        font-size: 0.9rem;
    }

    /* Adjust logo in header */
    header>div:first-child {
        flex-direction: column;
        gap: 5px;
    }

    header h1 {
        font-size: 1.5rem;
    }
}