:root {
    --primary-color: #FF6B6B;
    --secondary-color: #FFC371;
    --accent-color: #8BC6EC;
    --background-color: #f0f2f5;
    --text-color: #333;
    --card-background: #ffffff;
    --shadow-color: rgba(0, 0, 0, 0.1);
    --font-family: 'Inter', sans-serif;
    --button-text-color: #ffffff;
}

[data-theme='dark'] {
    --primary-color: #FF8787;
    --secondary-color: #FFD580;
    --accent-color: #9ECBFF;
    --background-color: #1a1a1a;
    --text-color: #f0f2f5;
    --card-background: #2a2a2a;
    --shadow-color: rgba(0, 0, 0, 0.4);
    --button-text-color: #333;
}


body {
    font-family: var(--font-family);
    background-color: var(--background-color);
    color: var(--text-color);
    margin: 0;
    padding: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    text-align: center;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.theme-switcher {
    position: absolute;
    top: 20px;
    right: 20px;
}

#theme-toggle {
    background: var(--card-background);
    border: 1px solid var(--shadow-color);
    border-radius: 50%;
    cursor: pointer;
    padding: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px var(--shadow-color);
    transition: all 0.3s ease;
}

#theme-toggle:hover {
    transform: scale(1.1);
}

#theme-toggle svg {
    stroke: var(--text-color);
}

.container {
    max-width: 500px;
    width: 100%;
}

h1 {
    font-size: 3rem;
    font-weight: 800;
    color: transparent;
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    background-clip: text;
    margin-bottom: 40px;
}

/* Responsive Design */
@media (max-width: 600px) {
    .container {
        padding: 15px;
    }

    h1 {
        font-size: 2.5rem;
    }

    .theme-switcher {
        top: 10px;
        right: 10px;
    }
}