@import url('https://fonts.googleapis.com/css2?family=Playfair+Display+SC:wght@700&family=Inter:wght@300;400;500;600&family=Fira+Code:wght@400;500;600&display=swap');

:root {
    /* Base Colors */
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-tertiary: #2d3748;
    
    /* Text Colors */
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    
    /* Accent Colors */
    --accent-start: #60a5fa;
    --accent-mid: #a78bfa;
    --accent-end: #f472b6;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--accent-start), var(--accent-mid), var(--accent-end));
    --gradient-secondary: linear-gradient(135deg, var(--accent-mid), var(--accent-end));
    
    --card-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -1px rgba(0, 0, 0, 0.2);
    --border-color: #3e4c5a;
    --hover-glow: 0 0 15px rgba(96, 165, 250, 0.4);
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    margin: 0;
    padding: 0;
    line-height: 1.7;
    font-weight: 400;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 40px 20px;
}

header {
    text-align: center;
    margin-bottom: 60px;
    background: var(--bg-secondary);
    padding: 40px;
    border-radius: 16px;
    box-shadow: var(--card-shadow);
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
}

h1 {
    font-family: 'Playfair Display SC', serif;
    margin: 0 0 12px 0;
    font-size: 2.8rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    font-weight: 700;
    line-height: 1.2;
}

header p {
    color: var(--text-secondary);
    font-size: 1.2rem;
    margin: 0 auto;
    font-weight: 300;
    line-height: 1.7;
    max-width: 700px;
}

.command-group {
    margin-bottom: 40px;
}

.command-group h2 {
    font-family: 'Playfair Display SC', serif;
    color: var(--text-primary);
    font-size: 1.6rem;
    margin-bottom: 25px;
    display: flex;
    align-items: center;
    font-weight: 600;
    letter-spacing: 1px;
}

.command-group h2::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--bg-tertiary);
    margin-left: 15px;
}

.command-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 14px;
    padding: 22px;
    margin-bottom: 22px;
    box-shadow: var(--card-shadow);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(8px);
    background-color: rgba(30, 41, 59, 0.8);
}

.command-card:hover {
    transform: translateY(-5px) scale(1.01);
    border-color: var(--accent-mid);
    box-shadow: 0 15px 30px -5px rgba(0, 0, 0, 0.3), 0 0 20px rgba(96, 165, 250, 0.2);
    background-color: rgba(30, 41, 59, 0.9);
}

.command-card h3 {
    margin-top: 0;
    color: var(--accent-start);
    font-family: 'Fira Code', 'Cascadia Code', 'Consolas', 'Monaco', monospace;
    font-size: 1.05rem;
    font-weight: 500;
    background: rgba(56, 189, 248, 0.1);
    padding: 10px 14px;
    display: inline-block;
    border-radius: 6px;
    border: 1px solid rgba(56, 189, 248, 0.2);
    letter-spacing: 0.3px;
    line-height: 1.5;
}

.command-card p {
    color: var(--text-secondary);
    font-size: 15px;
    font-weight: 400;
}

.copy-btn {
    background: var(--gradient-primary);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    font-size: 0.9em;
    transition: opacity 0.2s, transform 0.2s;
    float: right;
    margin-top: -50px;
}

/* Adjust layout for mobile */
@media (max-width: 600px) {
    .copy-btn {
        float: none;
        margin-top: 10px;
        width: 100%;
        display: block;
        text-align: center;
    }
}

.copy-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25), var(--hover-glow);
}

.copy-btn:active {
    transform: translateY(0);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

/* Git Log Output Styling */
.code-example {
    background: rgba(15, 23, 42, 0.8);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 16px;
    margin: 15px 0;
    font-family: 'Fira Code', 'Cascadia Code', 'Consolas', 'Monaco', monospace;
    font-size: 0.9em;
    line-height: 1.6;
    overflow-x: auto;
}

.commit-hash {
    color: #38bdf8;
    font-weight: 500;
}

.commit-author {
    color: var(--accent-end);
    font-weight: 500;
}

.commit-date {
    color: var(--accent-start);
    font-weight: 500;
}

.commit-message {
    color: var(--text-primary);
    margin: 8px 0 0 0;
    padding: 10px;
    background: rgba(56, 189, 248, 0.1);
    border-left: 3px solid var(--accent-start);
    border-radius: 0 5px 5px 0;
}

.explanation {
    background: rgba(30, 41, 59, 0.6);
    border-radius: 10px;
    padding: 16px;
    margin: 15px 0;
    border: 1px solid var(--border-color);
}

.explanation p {
    margin: 8px 0;
    font-size: 0.95em;
    color: #cbd5e1;
    line-height: 1.6;
}

explanation strong {
    color: var(--accent-start);
}

footer {
    border-block-start: var(--border-style);
    margin-block-start: 3.75rem;
    font-size: 0.95em;
    padding-block: 1.5rem;
    background-color: var(--color-bg-base);
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding-inline: 1.25rem;
    
    display: flex;
    flex-direction: column;
    gap: 1.875rem;
    align-items: center;
    text-align: center;
}

.footer-info {
    max-width: 90%;
}

.footer-info h3 {
    color: var(--accent-start);
    margin-block-end: 0.625rem;
    font-size: 1.4em;
    font-weight: 600;
}

.footer-info p {
    color: var(--color-secondary);
    line-height: 1.6;
    margin: 0; 
}

.footer-credits {
    padding-block-start: 1.25rem;
    border-block-start: var(--border-style);
    color: var(--color-secondary);
    text-align: center;
    width: 100%;
}

.footer-credits p {
    margin: 0.3125rem 0;
}

.footer-credits strong {
    color: var(--accent-mid);
    font-weight: 500;
}

.copyright {
    font-size: 0.85em;
    opacity: 0.8;
}

@media (min-width: 768px) {
    .footer-content {
        flex-direction: row;
        justify-content: space-between;
        align-items: flex-start;
        text-align: initial;
    }
    
    .footer-info {
        max-width: 60%;
        text-align: left;
    }

    .footer-credits {
        border-block-start: none;
        padding-block-start: 0;
        
        border-inline-start: var(--border-style);
        padding-inline-start: 1.875rem;
        
        text-align: right;
        display: flex;
        flex-direction: column;
        justify-content: flex-start;
    }
}