* { box-sizing: border-box; }

body { 
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; 
    margin: 0; 
    padding: 0; 
    line-height: 1.6; 
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    color: #333;
}

.container { 
    max-width: 1200px; 
    margin: 0 auto; 
    background: rgba(255, 255, 255, 0.95);
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    padding: 30px;
    backdrop-filter: blur(10px);
    margin-bottom: 30px;
}

.container-fluid {
    width: 100%;
    margin: 0;
    padding: 0;
    background: transparent;
}

.no-scrollbar {
    scrollbar-width: none; /* Firefox */
    -ms-overflow-style: none; /* Internet Explorer 10+ */
}

.no-scrollbar::-webkit-scrollbar {
    display: none; /* WebKit */
}

.changelog-wrapper {
    max-width: 1200px;
    margin: 0 auto;
}

h1 { 
    color: #2c3e50; 
    font-size: 2.5rem; 
    margin-bottom: 10px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

h2 { 
    color: #34495e; 
    font-size: 1.8rem; 
    margin-top: 2rem;
    border-bottom: 2px solid #eee;
    padding-bottom: 10px;
}

.version-badge {
    display: inline-block;
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 20px;
}

code { 
    background: #f8f9fa; 
    padding: 3px 8px; 
    border-radius: 6px; 
    font-family: 'Monaco', 'Consolas', 'JetBrains Mono', monospace;
    font-size: 14px;
    border: 1px solid #e9ecef;
}

pre { 
    background: #282c34; 
    color: #abb2bf;
    padding: 20px; 
    border-radius: 12px; 
    overflow-x: auto;
    font-family: 'Monaco', 'Consolas', 'JetBrains Mono', monospace;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    border: 1px solid #3e4451;
}

pre code {
    background: transparent;
    border: none;
    padding: 0;
    color: #abb2bf;
}

.endpoint { 
    margin: 25px 0; 
    padding: 20px; 
    border-radius: 12px;
    background: #fff;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    border-left: 4px solid #007acc;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.endpoint:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.12);
}

.method { 
    display: inline-block; 
    padding: 6px 12px; 
    border-radius: 6px; 
    color: white; 
    font-weight: 700; 
    margin-right: 15px;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.get { background: linear-gradient(135deg, #61affe, #4a90e2); }
.post { background: linear-gradient(135deg, #49cc90, #2ecc71); }

.step { 
    margin: 15px 0; 
    padding: 15px 20px; 
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    border-left: 4px solid #3498db;
    transition: transform 0.2s ease;
}

.step:hover {
    transform: translateX(5px);
}

.storage-info { 
    margin: 25px 0; 
    padding: 20px; 
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    border-left: 4px solid #28a745;
}

.progress-bar { 
    width: 100%; 
    height: 12px; 
    background: #e9ecef; 
    border-radius: 8px; 
    overflow: hidden; 
    margin: 15px 0;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.1);
}

.progress-fill { 
    height: 100%; 
    background: linear-gradient(90deg, #28a745 0%, #ffc107 70%, #dc3545 90%); 
    transition: width 0.5s ease; 
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(40, 167, 69, 0.3);
}

.storage-stats { 
    display: flex; 
    justify-content: space-between; 
    align-items: center; 
    margin-top: 15px; 
    font-size: 14px;
    font-weight: 600;
}

.changelog-section { 
    padding: 25px; 
    background: rgba(255, 255, 255, 0.95);
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    border-left: 4px solid #6f42c1;
    backdrop-filter: blur(10px);
}

/* Remove redundant changelog wrapper styles */
.changelog-wrapper {
    max-width: none;
    margin: 0;
}

.changelog-entry { 
    margin: 20px 0; 
    padding: 15px; 
    background: #f8f9fa;
    border-radius: 10px;
    border: 1px solid #e9ecef;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.changelog-entry:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.version { 
    font-weight: 700; 
    color: #6f42c1;
    font-size: 16px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.version::before {
    content: "🏷️";
    font-size: 14px;
}

.date { 
    color: #6c757d; 
    font-size: 13px;
    margin-top: 5px;
    font-weight: 500;
}

.changelog-entry ul {
    margin: 10px 0 0 0;
    padding-left: 20px;
}

.changelog-entry li {
    margin: 5px 0;
    color: #495057;
}

.copy-btn {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    border: none;
    padding: 8px 12px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 12px;
    font-weight: 600;
    transition: all 0.2s ease;
    float: right;
    margin-top: -10px;
}

.copy-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(102, 126, 234, 0.3);
}

/* About section styling */
.about-content {
    line-height: 1.7;
}

.about-content h3 {
    color: #34495e;
    font-size: 1.3rem;
    margin: 1.5rem 0 0.8rem 0;
    border-bottom: 2px solid #eee;
    padding-bottom: 8px;
}

.about-content ul {
    list-style-type: none;
    padding-left: 0;
}

.about-content li {
    background: #f8f9fa;
    margin: 8px 0;
    padding: 12px 16px;
    border-radius: 8px;
    border-left: 4px solid #667eea;
    transition: transform 0.2s ease;
}

.about-content li:hover {
    transform: translateX(5px);
    background: #e9ecef;
}

.contact-info {
    background: #fff;
    padding: 15px;
    border-radius: 10px;
    border: 2px solid #667eea;
    margin: 15px 0;
}

.contact-info p {
    margin: 5px 0;
    font-family: 'Monaco', 'Consolas', 'JetBrains Mono', monospace;
}

/* Responsive design */
@media (max-width: 1200px) {
    .three-column-layout {
        gap: 15px;
        padding: 15px;
    }
    
    .content-container {
        padding: 20px;
    }
}

@media (max-width: 768px) {
    .three-column-layout {
        grid-template-columns: 1fr 1fr;
        grid-template-rows: auto auto;
        gap: 15px;
        padding: 15px;
        height: auto;
        min-height: 100vh;
    }
    
    /* Main content spans both columns in first row */
    .content-container:first-child {
        grid-column: 1 / -1;
        grid-row: 1;
    }
    
    /* Changelog and about in second row, side by side */
    .content-container:nth-child(2) {
        grid-column: 1;
        grid-row: 2;
    }
    
    .content-container:nth-child(3) {
        grid-column: 2;
        grid-row: 2;
    }
    
    .content-container { 
        padding: 20px;
        border-radius: 15px;
        max-height: 60vh;
    }
    
    h1 { font-size: 2rem; }
    h2 { font-size: 1.5rem; }
}

@media (max-width: 480px) {
    .three-column-layout {
        grid-template-columns: 1fr;
        grid-template-rows: auto auto auto;
        padding: 10px;
        gap: 10px;
    }
    
    /* Stack all columns vertically on mobile */
    .content-container:first-child {
        grid-column: 1;
        grid-row: 1;
    }
    
    .content-container:nth-child(2) {
        grid-column: 1;
        grid-row: 2;
    }
    
    .content-container:nth-child(3) {
        grid-column: 1;
        grid-row: 3;
    }
    
    .content-container { 
        padding: 15px;
        max-height: 50vh;
    }
    
    .endpoint, 
    .storage-info, 
    .changelog-section { 
        padding: 15px; 
    }
    
    .step { 
        padding: 12px 15px; 
    }
    
    h1 {
        font-size: 1.8rem;
    }
    
    .about-content h3 {
        font-size: 1.1rem;
    }
}

/* CSS Grid three-column layout */
.three-column-layout {
    display: grid;
    grid-template-columns: 1fr 0.5fr 0.5fr;
    gap: 20px;
    padding: 20px;
    height: 100vh;
    box-sizing: border-box;
}

/* Content containers with equal height and scrolling */
.content-container {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    padding: 30px;
    backdrop-filter: blur(10px);
    box-sizing: border-box;
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: rgba(102, 126, 234, 0.3) transparent;
}

/* Webkit scrollbar styling */
.content-container::-webkit-scrollbar {
    width: 8px;
}

.content-container::-webkit-scrollbar-track {
    background: transparent;
}

.content-container::-webkit-scrollbar-thumb {
    background: rgba(102, 126, 234, 0.3);
    border-radius: 4px;
}

.content-container::-webkit-scrollbar-thumb:hover {
    background: rgba(102, 126, 234, 0.5);
}

.progress-fill-initial {
    width: 0%;
}