:root {
    --bg-color: #f0f2f5;
    --card-bg: #ffffff;
    --text-primary: #333;
    --text-secondary: #666;
    --accent-color: #007bff;
    --accent-hover: #0069d9;
    --shadow: 0 8px 30px rgba(0, 0, 0, 0.08)
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background-color: var(--bg-color);
    background-image: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 20px
}

.container {
    background-color: var(--card-bg);
    border-radius: 20px;
    box-shadow: var(--shadow);
    padding: 40px;
    text-align: center;
    width: 100%;
    max-width: 700px;
    margin: auto;
    position: relative
}

h1 {
    font-size: 3rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 5px;
    letter-spacing: -1px;
    line-height: 1.2
}

h2 {
    font-size: 1.2rem;
    color: var(--text-secondary);
    font-weight: 500;
    margin-bottom: 25px;
    letter-spacing: 0.5px
}

#catch-the-cat {
    width: 100%;
    display: block;
    margin: 0 auto 20px auto;
    position: relative;
    z-index: 1;
    cursor: default;
    -webkit-touch-callout: none;
    -webkit-tap-highlight-color: transparent;
    -webkit-user-select: none;
    user-select: none
}

#catch-the-cat div,
#catch-the-cat span {
    color: var(--text-primary) !important;
    font-size: 18px !important;
    font-weight: bold;
    margin-bottom: 10px;
    display: block
}

#catch-the-cat canvas {
    max-width: 100%;
    height: auto !important;
    border-radius: 10px
}

.action-area {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-top: 10px
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 28px;
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: 50px;
    text-decoration: none;
    transition: all 0.2s ease
}

.btn-primary {
    background-color: var(--accent-color);
    color: white;
    box-shadow: 0 4px 12px rgba(0, 123, 255, 0.3)
}

.btn-primary:hover {
    background-color: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0, 123, 255, 0.4)
}

.btn-secondary {
    background-color: #f1f3f5;
    color: var(--text-secondary)
}

.btn-secondary:hover {
    background-color: #e9ecef;
    color: var(--text-primary);
    transform: translateY(-2px)
}

.footer {
    margin-top: 30px;
    font-size: 0.85rem;
    color: #999;
    text-align: center;
    width: 100%
}

@media(max-width:600px) {
    .container {
        padding: 25px 15px
    }

    h1 {
        font-size: 2.5rem
    }

    h2 {
        font-size: 1rem
    }

    .action-area {
        flex-direction: column;
        width: 100%
    }

    .btn {
        width: 100%
    }
}