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

:root {
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --secondary-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --accent-gradient: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --glass-bg: rgba(255, 255, 255, 0.1);
    --glass-border: rgba(255, 255, 255, 0.2);
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.85);
    --text-muted: rgba(255, 255, 255, 0.65);
    --shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
    --hover-shadow: 0 12px 48px 0 rgba(31, 38, 135, 0.5);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
    min-height: 100vh;
    color: var(--text-primary);
    overflow-x: hidden;
    position: relative;
}

/* Sidebar Toggle Button */
.sidebar-toggle {
    position: fixed;
    top: 2rem;
    left: 2rem;
    z-index: 1001;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    color: var(--text-primary);
    box-shadow: var(--shadow);
}

.sidebar.open ~ .sidebar-toggle {
    left: 350px;
}

.sidebar-toggle:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: scale(1.05);
    box-shadow: var(--hover-shadow);
}

.sidebar-toggle svg {
    transition: transform 0.3s ease;
}

.sidebar.open ~ .sidebar-toggle svg {
    transform: rotate(90deg);
}

/* Sidebar */
.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: 320px;
    height: 100vh;
    z-index: 1000;
    padding: 0;
    margin: 0;
    border-radius: 0 20px 20px 0;
    transform: translateX(-100%);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    overflow-y: auto;
    overflow-x: hidden;
}

.sidebar.open {
    transform: translateX(0);
}

.sidebar-header {
    padding: 2rem;
    padding-left: 1.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(20px);
    z-index: 10;
    min-height: 80px;
}

.sidebar-header h2 {
    font-size: 1.5rem;
    font-weight: 600;
    background: linear-gradient(135deg, #fff 0%, #e0e0e0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.sidebar-close {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    color: var(--text-primary);
}

.sidebar-close:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: rotate(90deg);
}

.sidebar-content {
    padding: 2rem;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 1.25rem;
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: left 0.5s ease;
}

.stat-card:hover::before {
    left: 100%;
}

.stat-card:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
    border-color: rgba(255, 255, 255, 0.3);
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: block;
    margin-bottom: 0.25rem;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.sidebar-section {
    margin-bottom: 2rem;
}

.sidebar-section-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.85rem;
}

.category-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.category-item {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    padding: 1rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    position: relative;
}

.category-item::after {
    content: '';
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    width: 0;
    height: 0;
    border-top: 5px solid transparent;
    border-bottom: 5px solid transparent;
    border-left: 5px solid rgba(255, 255, 255, 0.5);
    opacity: 0;
    transition: all 0.3s ease;
}

.category-item:hover::after {
    opacity: 1;
    right: 0.75rem;
}

.category-item:hover {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.15), rgba(255, 255, 255, 0.1));
    border-color: rgba(255, 255, 255, 0.3);
    transform: translateX(8px);
    box-shadow: -4px 4px 15px rgba(0, 0, 0, 0.2);
}

.category-item:active {
    transform: translateX(4px);
}

.category-item-name {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.category-count {
    background: rgba(255, 255, 255, 0.15);
    padding: 0.25rem 0.65rem;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 500;
}

.category-topics {
    font-size: 0.8rem;
    color: var(--text-muted);
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
}

.category-topics span {
    background: rgba(255, 255, 255, 0.1);
    padding: 0.2rem 0.5rem;
    border-radius: 6px;
}

.quick-links {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.quick-link {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    padding: 0.9rem 1rem;
    color: var(--text-primary);
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.9rem;
    position: relative;
    overflow: hidden;
}

.quick-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(100, 200, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.quick-link:hover::before {
    left: 100%;
}

.quick-link:hover {
    background: linear-gradient(135deg, rgba(100, 200, 255, 0.2), rgba(100, 150, 255, 0.15));
    border-color: rgba(100, 200, 255, 0.4);
    transform: translateX(8px);
    box-shadow: -4px 4px 15px rgba(100, 200, 255, 0.2);
}

.quick-link svg {
    opacity: 0.7;
    transition: all 0.3s ease;
}

.quick-link:hover svg {
    opacity: 1;
    transform: scale(1.2);
}

.background-shapes {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 0;
    pointer-events: none;
}

.shape {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.3;
    animation: float 20s infinite ease-in-out;
}

.shape-1 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, #4facfe 0%, transparent 70%);
    top: -100px;
    left: -100px;
    animation-delay: 0s;
}

.shape-2 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, #f5576c 0%, transparent 70%);
    bottom: -50px;
    right: -50px;
    animation-delay: 5s;
}

.shape-3 {
    width: 350px;
    height: 350px;
    background: radial-gradient(circle, #00f2fe 0%, transparent 70%);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: 10s;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    33% {
        transform: translate(50px, -50px) scale(1.1);
    }
    66% {
        transform: translate(-30px, 30px) scale(0.9);
    }
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
    position: relative;
    z-index: 1;
}

.content-wrapper {
    transition: margin-left 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    margin-left: 0;
}

.content-wrapper.shifted {
    margin-left: 320px;
}

/* Glass morphism effect */
.glass-header,
.glass-nav,
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
}

.glass-header {
    text-align: left;
    padding: 2.5rem 2rem;
    margin-bottom: 2rem;
    animation: slideDown 0.6s ease;
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    align-items: flex-start;
    gap: 2rem;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.header-content {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    flex: 1;
}

.glass-header h1 {
    font-size: 3.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, #fff 0%, #f0f0f0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0;
    letter-spacing: -1px;
}

.subtitle {
    font-size: 1.2rem;
    color: var(--text-muted);
    font-weight: 300;
    margin: 0;
}

.header-search {
    display: flex;
    gap: 0.75rem;
    align-items: center;
    width: auto;
    min-width: 300px;
    max-width: 400px;
    flex-shrink: 0;
}

/* Navigation */
.glass-nav {
    padding: 1.5rem;
    margin-bottom: 2rem;
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: center;
    animation: slideUp 0.6s ease 0.2s both;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.category-btn {
    padding: 0.75rem 1.5rem;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 50px;
    color: var(--text-primary);
    font-size: 0.95rem;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    font-weight: 500;
    position: relative;
    overflow: hidden;
}

.category-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s ease;
}

.category-btn:hover::before {
    left: 100%;
}

.category-btn:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
    border-color: rgba(255, 255, 255, 0.4);
}

.category-btn:active {
    transform: translateY(-1px) scale(1.02);
}

.category-btn.active {
    background: linear-gradient(135deg, rgba(100, 200, 255, 0.4), rgba(100, 150, 255, 0.3));
    border-color: rgba(100, 200, 255, 0.6);
    box-shadow: 0 6px 20px rgba(100, 200, 255, 0.4);
    transform: translateY(-2px);
}

.category-btn.active:hover {
    box-shadow: 0 10px 30px rgba(100, 200, 255, 0.5);
    transform: translateY(-4px) scale(1.05);
}

/* Search */
.search-input {
    flex: 1;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 50px;
    padding: 0.75rem 1.25rem;
    color: var(--text-primary);
    font-size: 0.95rem;
    outline: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.search-input::placeholder {
    color: var(--text-muted);
    transition: all 0.3s ease;
}

.search-input:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: rgba(255, 255, 255, 0.3);
}

.search-input:hover::placeholder {
    color: var(--text-secondary);
}

.search-input:focus {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(100, 200, 255, 0.6);
    box-shadow: 0 0 30px rgba(100, 200, 255, 0.3), 0 0 10px rgba(255, 255, 255, 0.1);
    transform: scale(1.02);
}

.search-btn {
    background: rgba(255, 255, 255, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    width: 42px;
    height: 42px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    color: var(--text-primary);
    position: relative;
    overflow: hidden;
    flex-shrink: 0;
}

.search-btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(100, 200, 255, 0.4);
    transform: translate(-50%, -50%);
    transition: width 0.4s, height 0.4s;
}

.search-btn:hover::before {
    width: 100%;
    height: 100%;
}

.search-btn svg {
    position: relative;
    z-index: 1;
    transition: all 0.3s ease;
}

.search-btn:hover {
    background: rgba(100, 200, 255, 0.3);
    border-color: rgba(100, 200, 255, 0.6);
    transform: scale(1.15) rotate(10deg);
    box-shadow: 0 6px 20px rgba(100, 200, 255, 0.4);
}

.search-btn:hover svg {
    transform: scale(1.1);
}

.search-btn:active {
    transform: scale(1.05) rotate(5deg);
}

/* Topics */
.topics-container {
    display: grid;
    gap: 2rem;
    animation: fadeIn 0.6s ease 0.4s both;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.topic-section {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 2rem;
    box-shadow: var(--shadow);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    animation: scaleIn 0.5s ease both;
    position: relative;
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.topic-section::before {
    content: '';
    position: absolute;
    inset: -1px;
    border-radius: 20px;
    padding: 1px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.4), rgba(255, 255, 255, 0.1));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity 0.4s ease;
}

.topic-section:hover::before {
    opacity: 1;
}

.topic-section:hover {
    box-shadow: 0 16px 60px rgba(31, 38, 135, 0.6), 0 0 30px rgba(255, 255, 255, 0.1);
    transform: translateY(-8px);
    border-color: rgba(255, 255, 255, 0.3);
    background: rgba(255, 255, 255, 0.15);
}

.topic-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.topic-name {
    font-size: 1.8rem;
    font-weight: 600;
    background: linear-gradient(135deg, #fff 0%, #e0e0e0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.topic-notes {
    font-size: 0.9rem;
    color: var(--text-muted);
    font-style: italic;
    margin-top: 0.5rem;
}

.subtopics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 1.5rem;
}

.subtopic-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    padding: 1.5rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.subtopic-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: left 0.6s ease;
}

.subtopic-card:hover::before {
    left: 100%;
}

.subtopic-card:hover {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.15), rgba(255, 255, 255, 0.1));
    border-color: rgba(255, 255, 255, 0.3);
    transform: translateX(8px) translateY(-4px);
    box-shadow: -6px 8px 25px rgba(0, 0, 0, 0.3), 0 0 20px rgba(255, 255, 255, 0.1);
}

.subtopic-card:active {
    transform: translateX(4px) translateY(-2px);
}

.subtopic-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1rem;
}

.subtopic-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    flex: 1;
}

.external-link {
    color: var(--text-muted);
    opacity: 0.6;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.25rem;
    border-radius: 6px;
}

.external-link:hover {
    opacity: 1;
    background: rgba(100, 200, 255, 0.2);
    color: rgba(100, 200, 255, 1);
    transform: translateX(3px) scale(1.1);
}

.subtopic-card:hover .external-link {
    opacity: 1;
    transform: translateX(3px);
}

.subtopic-notes {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 1rem;
    font-style: italic;
}

.tags-container {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tag {
    padding: 0.4rem 0.9rem;
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 20px;
    font-size: 0.85rem;
    color: var(--text-secondary);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
    position: relative;
    overflow: hidden;
}

.tag::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.5s, height 0.5s;
}

.tag:hover::before {
    width: 200%;
    height: 200%;
}

.tag:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: scale(1.1) translateY(-2px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.3);
    border-color: rgba(255, 255, 255, 0.4);
}

.tag:active {
    transform: scale(1.05) translateY(0);
}

.tag.has-url {
    border-color: rgba(100, 200, 255, 0.5);
}

.tag.has-url:hover {
    background: linear-gradient(135deg, rgba(100, 200, 255, 0.4), rgba(100, 150, 255, 0.3));
    border-color: rgba(100, 200, 255, 0.8);
    box-shadow: 0 6px 20px rgba(100, 200, 255, 0.4);
    color: rgba(200, 240, 255, 1);
}

/* Search Highlight */
.highlight {
    background: rgba(255, 255, 100, 0.4);
    color: #fff;
    font-weight: 600;
    padding: 0.1rem 0.2rem;
    border-radius: 3px;
    box-shadow: 0 0 10px rgba(255, 255, 100, 0.3);
}

.no-results {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--text-muted);
    font-size: 1.2rem;
}

/* Loading animation */
.loading {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 300px;
}

.loading-spinner {
    width: 50px;
    height: 50px;
    border: 3px solid rgba(255, 255, 255, 0.2);
    border-top-color: var(--text-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Responsive */
@media (max-width: 1024px) {
    .content-wrapper.shifted {
        margin-left: 0;
    }
    
    .sidebar {
        position: fixed;
    }
    
    .sidebar.open ~ .sidebar-toggle {
        left: 340px;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 1rem;
    }

    .glass-header {
        padding: 2rem 1.5rem;
        flex-direction: column;
        align-items: stretch;
    }

    .glass-header h1 {
        font-size: 2.5rem;
    }

    .subtitle {
        font-size: 1rem;
    }

    .header-content {
        text-align: center;
    }

    .header-search {
        max-width: 100%;
        min-width: auto;
        margin-top: 1rem;
    }

    .subtopics-grid {
        grid-template-columns: 1fr;
    }

    .glass-nav {
        justify-content: flex-start;
        overflow-x: auto;
        flex-wrap: nowrap;
    }

    .category-btn {
        white-space: nowrap;
    }

    .sidebar {
        width: 100%;
        max-width: 320px;
        border-radius: 0 20px 20px 0;
        position: fixed;
    }

    .sidebar-toggle {
        top: 1rem;
        left: 1rem;
    }
    
    .sidebar.open ~ .sidebar-toggle {
        left: calc(100% - 70px);
        max-width: 340px;
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .content-wrapper.shifted {
        margin-left: 0;
    }
}

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

::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.1);
}

::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.3);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.5);
}