@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;600;800&family=Fira+Code:wght@400;500&display=swap');

:root {
    --bg-color: #0b0e14;
    --card-bg: rgba(22, 27, 34, 0.7);
    --glass-border: rgba(255, 255, 255, 0.1);
    --text-primary: #f0f6fc;
    --text-secondary: #8b949e;
    --accent-glow: rgba(88, 166, 255, 0.4);

    /* Code Colors */
    --c-comment: #7d8590;
    --c-keyword: #ff7b72;
    --c-string: #a5d6ff;
    --c-func: #d2a8ff;
    --c-num: #79c0ff;
    --c-attr: #ffa657;
}

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

body {
    font-family: 'Outfit', sans-serif;
    background: radial-gradient(circle at top right, #161b22, #0b0e14);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 3rem 1rem;
    line-height: 1.6;
}

.container {
    max-width: 1000px;
    width: 100%;
}

.card {
    background: var(--card-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 2.5rem;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
    animation: slideUp 0.6s cubic-bezier(0.2, 0.8, 0.2, 1);
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

h1 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 2rem;
    background: linear-gradient(90deg, #58a6ff, #d2a8ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

pre {
    background: rgba(13, 17, 23, 0.8);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 1.5rem;
    overflow-x: auto;
    font-family: 'Fira Code', monospace;
    font-size: 0.95rem;
    position: relative;
    box-shadow: inset 0 2px 10px rgba(0, 0, 0, 0.4);
}

code {
    font-family: 'Fira Code', monospace;
}

/* Syntax Highlighting */
.comment {
    color: var(--c-comment);
    font-style: italic;
}

.keyword {
    color: var(--c-keyword);
    font-weight: 600;
}

.string {
    color: var(--c-string);
}

.function {
    color: var(--c-func);
}

.number {
    color: var(--c-num);
}

.difficulty-tag {
    font-size: 0.75rem;
    padding: 0.4rem 1rem;
    border-radius: 100px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
    border: 1px solid transparent;
}

.easy {
    background: rgba(35, 134, 54, 0.15);
    color: #3fb950;
    border-color: rgba(63, 185, 80, 0.3);
}

.medium {
    background: rgba(210, 153, 34, 0.15);
    color: #d29922;
    border-color: rgba(210, 153, 34, 0.3);
}

.hard {
    background: rgba(218, 54, 51, 0.15);
    color: #f85149;
    border-color: rgba(248, 81, 73, 0.3);
}

footer {
    margin-top: 4rem;
    padding: 2rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
    text-align: center;
    opacity: 0.7;
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 5px;
    border: 2px solid transparent;
    background-clip: padding-box;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.2);
}

@media (max-width: 768px) {
    .card {
        padding: 1.5rem;
    }

    h1 {
        font-size: 1.8rem;
    }
}