/* Global Styles */
:root {
    --primary-color: #76b900;  /* NVIDIA Green */
    --primary-light: #a5d600;
    --primary-dark: #5d9e00;
    --secondary-color: #00b0ff;
    --accent-color: #e6f7d4;
    --background-color: #f9f9f9;
    --sidebar-bg: #0a0a0a;
    --card-bg: #ffffff;
    --text-primary: #2d3748;
    --text-secondary: #4a5568;
    --border-color: #e0e0e0;
    --hover-bg: #f1f8e9;
    --chip-rk3588: #76b900;
    --chip-rk1820: #ffb74d;
}

* {
    box-sizing: border-box;
    outline: none;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    margin: 0;
    padding: 0;
    background-color: var(--background-color);
    color: var(--text-primary);
    height: 100vh;
    overflow: hidden;
    background: linear-gradient(135deg, #f5f7fa 0%, #e4edf5 100%);
}

/* Chip folder styles for navigation */
.chip-folder {
    display: flex;
    align-items: center;
    color: #e8f5e9;
    text-decoration: none;
    padding: 0.7rem 1.5rem;
    transition: all 0.3s ease;
    font-size: 0.95rem;
    margin: 0.3rem 0.8rem;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 500;
    position: relative;
    overflow: hidden;
    outline: none;
}

.chip-folder::before {
    content: '>';
    margin-right: 10px;
    font-size: 1rem;
    color: var(--primary-color);
    transition: transform 0.3s ease;
}

.chip-folder:hover::before {
    transform: translateX(3px);
}

.chip-folder[data-chip="rk3588"] {
    background: linear-gradient(to right, rgba(118, 185, 0, 0.15), transparent);
    border-left: none; /* Remove the green border */
}

.chip-folder[data-chip="rk3576"] {
    background: linear-gradient(to right, rgba(118, 185, 0, 0.15), transparent);
    border-left: none; /* Remove the green border */
}

.chip-folder[data-chip="rk1820"] {
    background: linear-gradient(to right, rgba(255, 183, 77, 0.15), transparent);
    border-left: none; /* Remove the orange border */
}

.chip-folder:hover {
    transform: translateX(5px);
    background: linear-gradient(to right, rgba(118, 185, 0, 0.25), transparent) !important;
}

.chip-folder[data-chip="rk3588"]:hover {
    background: linear-gradient(to right, rgba(118, 185, 0, 0.25), transparent);
}

.chip-folder[data-chip="rk3576"]:hover {
    background: linear-gradient(to right, rgba(118, 185, 0, 0.25), transparent);
}

.chip-folder[data-chip="rk1820"]:hover {
    background: linear-gradient(to right, rgba(255, 183, 77, 0.25), transparent);
}

.chip-submenu {
    background: rgba(26, 26, 26, 0.9);
    padding: 0.6rem 0;
    border-radius: 6px;
    margin: 0.3rem 0.8rem 0.5rem 1.8rem;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
    border: none; /* Remove green border */
}

.chip-submenu a {
    display: block;
    color: #a0d280;
    text-decoration: none;
    padding: 0.6rem 1.5rem;
    transition: all 0.3s ease;
    font-size: 0.9rem;
    margin: 0 0.5rem;
    border-radius: 4px;
    outline: none;
    border: none; /* Remove any potential border */
}

.chip-submenu a:hover {
    background: rgba(118, 185, 0, 0.25);
    color: white;
    transform: translateX(5px);
}

/* Main container with sidebar and content */
.main-container {
    display: flex;
    height: 100vh;
    overflow: hidden;
}

/* Sidebar navigation */
.sidebar {
    width: 260px;
    background: var(--sidebar-bg);
    color: white;
    padding: 1.5rem 0;
    box-shadow: 3px 0 15px rgba(0, 0, 0, 0.1);
    overflow-y: auto;
    transition: all 0.3s ease;
    background: linear-gradient(to bottom, #0a0a0a, #1a1a1a);
}

.nav-menu {
    list-style: none;
    padding: 0;
    margin: 0;
}

.nav-item {
    margin: 0.3rem 1rem;
    position: relative;
}

.nav-link {
    display: flex;
    align-items: center;
    color: #e0e0e0;
    text-decoration: none;
    padding: 0.9rem 1.2rem;
    border-radius: 8px;
    transition: all 0.3s ease;
    font-weight: 500;
    position: relative;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.05);
    margin: 0.2rem 0.8rem;
    outline: none;
}

.nav-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(118, 185, 0, 0.2), transparent);
    transition: 0.5s;
}

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

.nav-link:hover {
    background: rgba(118, 185, 0, 0.15);
    color: white;
    transform: translateX(5px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.nav-link.active-page {
    background: rgba(118, 185, 0, 0.2);
    color: white;
    border-left: none; /* Remove green border */
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

.nav-link.active-page::after {
    content: '→';
    position: absolute;
    right: 15px;
    transition: all 0.3s ease;
}

/* Sub-menu for showing MD files */
.sub-menu {
    background: rgba(26, 26, 26, 0.95);
    padding: 0.8rem 0;
    border-radius: 8px;
    margin-top: 0.5rem;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.15);
    position: relative;
    z-index: 10;
    border: none; /* Remove green border */
}

.sub-menu a {
    display: block;
    color: #a0d280;
    text-decoration: none;
    padding: 0.6rem 1.5rem;
    transition: all 0.3s ease;
    font-size: 0.95rem;
    margin: 0 0.5rem;
    border-radius: 6px;
    outline: none;
    border: none; /* Remove any potential border */
}

.sub-menu a:hover {
    background: rgba(118, 185, 0, 0.2);
    color: white;
    transform: translateX(5px);
}

/* For mobile */
@media (max-width: 768px) {
    .sub-menu a {
        padding: 0.4rem 1.2rem;
    }
}

/* Main content area */
.content {
    flex: 1;
    padding: 2rem;
    overflow-y: auto;
    background: var(--card-bg);
    background: linear-gradient(to bottom right, #ffffff, #f8fff8);
}

.page {
    display: none;
    animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.page.active {
    display: block;
}

.content h1 {
    color: var(--primary-dark);
    border-bottom: 2px solid var(--primary-color);
    padding-bottom: 0.8rem;
    margin-top: 0;
    font-size: 2.2rem;
    font-weight: 700;
    background: linear-gradient(to right, var(--primary-dark), var(--primary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.content h2 {
    color: var(--primary-dark);
    margin-top: 1.8rem;
    font-size: 1.6rem;
    border-left: 4px solid var(--primary-color);
    padding-left: 1rem;
}

.content h3 {
    color: var(--primary-dark);
    margin-top: 1.5rem;
    font-size: 1.3rem;
}

.content p {
    line-height: 1.8;
    color: var(--text-secondary);
    margin: 1.2rem 0;
    font-size: 1.05rem;
}

/* Directory styling */
.directory-list {
    list-style: none;
    padding: 0;
    margin: 1rem 0;
}

.directory-list li {
    padding: 0.5rem 0;
    border-bottom: 1px solid #ecf0f1;
}

.directory-list a {
    color: #3498db;
    text-decoration: none;
    font-size: 1.1rem;
    display: block;
    padding: 0.5rem;
    transition: background-color 0.3s;
    border-radius: 4px;
}

.directory-list a:hover {
    background-color: #f8f9fa;
    text-decoration: underline;
}

#md-content-container {
    margin-top: 2rem;
    padding-top: 1rem;
    border-top: 1px solid #ecf0f1;
}

/* Markdown content styling */
#cv-content, #llm-content, #vlm-content, #ui-content {
    line-height: 1.8;
    color: var(--text-secondary);
}

#cv-content h1, #llm-content h1, #vlm-content h1, #ui-content h1 {
    color: var(--primary-dark);
    border-bottom: 2px solid var(--primary-color);
    padding-bottom: 0.8rem;
    margin-top: 0;
    font-size: 1.8rem;
    font-weight: 700;
}

#cv-content h2, #llm-content h2, #vlm-content h2, #ui-content h2 {
    color: var(--primary-dark);
    margin-top: 1.8rem;
    font-size: 1.5rem;
    border-left: 4px solid var(--primary-color);
    padding-left: 1rem;
}

#cv-content h3, #llm-content h3, #vlm-content h3, #ui-content h3 {
    color: var(--primary-dark);
    margin-top: 1.5rem;
    font-size: 1.2rem;
}

#cv-content p, #llm-content p, #vlm-content p, #ui-content p {
    margin: 1.2rem 0;
    line-height: 1.8;
}

#cv-content a, #llm-content a, #vlm-content a, #ui-content a {
    color: var(--primary-color);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: all 0.3s ease;
}

#cv-content a:hover, #llm-content a:hover, #vlm-content a:hover, #ui-content a:hover {
    color: var(--primary-dark);
    border-bottom: 1px solid var(--primary-color);
    padding-bottom: 2px;
}

#cv-content strong, #llm-content strong, #vlm-content strong, #ui-content strong {
    font-weight: 600;
    color: var(--primary-dark);
    background: linear-gradient(to right, transparent 50%, var(--accent-color) 50%);
    background-size: 4px 100%;
    padding: 0 2px;
}

#cv-content em, #llm-content em, #vlm-content em, #ui-content em {
    font-style: italic;
    color: var(--primary-dark);
    background-color: var(--accent-color);
    padding: 0 4px;
    border-radius: 3px;
}

#cv-content code, #llm-content code, #vlm-content code, #ui-content code {
    background-color: #e6f7d4;
    padding: 0.3rem 0.5rem;
    border-radius: 6px;
    font-family: 'Fira Code', 'Consolas', monospace;
    font-size: 0.95em;
    color: var(--primary-dark);
    border: 1px solid var(--border-color);
}

#cv-content pre, #llm-content pre, #vlm-content pre, #ui-content pre {
    background-color: #f1f8e9;
    color: var(--text-primary);
    padding: 1.2rem;
    border-radius: 8px;
    overflow-x: auto;
    margin: 1.5rem 0;
    border: 1px solid var(--border-color);
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.05);
}

#cv-content pre code, #llm-content pre code, #vlm-content pre code, #ui-content pre code {
    background: none;
    padding: 0;
    color: var(--primary-dark);
    border: none;
}

#cv-content ul, #llm-content ul, #vlm-content ul, #ui-content ul,
#cv-content ol, #llm-content ol, #vlm-content ol, #ui-content ol {
    margin: 1.2rem 0;
    padding-left: 1.8rem;
    border-left: 3px solid var(--primary-color);
    padding-left: 1.5rem;
}

#cv-content li, #llm-content li, #vlm-content li, #ui-content li {
    margin-bottom: 0.7rem;
    line-height: 1.7;
    padding-left: 0.5rem;
}

/* Card-like styling for content sections */
.content-section {
    background: white;
    border-radius: 12px;
    padding: 1.8rem;
    margin: 1.5rem 0;
    box-shadow: 0 4px 12px rgba(118, 185, 0, 0.1);
    border: 1px solid var(--border-color);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border-left: 4px solid var(--primary-color);
}

.content-section:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 16px rgba(118, 185, 0, 0.15);
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .main-container {
        flex-direction: column;
    }

    .sidebar {
        width: 100%;
        height: auto;
        padding: 0.8rem 0;
    }

    .nav-menu {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
    }

    .nav-item {
        margin: 0.3rem;
        width: calc(50% - 1rem);
    }

    .nav-link {
        padding: 0.7rem 1rem;
        margin: 0.2rem;
        justify-content: center;
    }

    .sub-menu {
        position: static;
        box-shadow: 0 3px 10px rgba(0,0,0,0.1);
    }

    .content {
        padding: 1.2rem;
    }

    .content h1 {
        font-size: 1.8rem;
    }
}