/* CSS Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

/* Lite Mode (Default) - Tan/Orange Theme */
:root {
    /* Colors */
    --primary-bg: #f5e7d6; /* Light tan */
    --secondary-bg: #e8d5b5; /* Medium tan */
    --accent-color: #e67e22; /* Pumpkin orange */
    --accent-dark: #d35400; /* Darker orange */
    --text-color: #3a3a3a; /* Dark gray */
    --text-light: #666666; /* Medium gray */
    --card-bg: #ffffff; /* White cards */
    --header-bg: #e67e22; /* Orange header */
    --footer-bg: #e67e22; /* Orange footer */
    --tag-bg: #f0e0c8; /* Light tan tags */
    --border-color: #d4b483; /* Tan border */
}

/* Dark Mode - Black/Orange Theme */
[data-theme="dark"] {
    --primary-bg: #121212; /* Near black */
    --secondary-bg: #1a1a1a; /* Slightly lighter black */
    --accent-color: #e67e22; /* Same orange */
    --accent-dark: #f39c12; /* Brighter orange */
    --text-color: #f0f0f0; /* Off-white */
    --text-light: #b3b3b3; /* Light gray */
    --card-bg: #1e1e1e; /* Dark gray cards */
    --header-bg: #1a1a1a; /* Dark header */
    --footer-bg: #1a1a1a; /* Dark footer */
    --tag-bg: #2a2a2a; /* Dark gray tags */
    --border-color: #333333; /* Dark border */
}

body {
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--primary-bg);
    padding-top: 70px;
}

a {
    text-decoration: none;
    color: var(--accent-color);
}

/* Layout */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
header {
    background-color: var(--header-bg);
    color: white;
    padding: 1rem 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: white;
}

.logo span {
    color: var(--accent-dark);
}

.nav-links {
    display: flex;
    list-style: none;
    align-items: center;
}

.nav-links li {
    margin-left: 2rem;
}

.nav-links a {
    color: white;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: var(--accent-dark);
}

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.5)), url('https://images.unsplash.com/photo-1518770660439-4636190af475?ixlib=rb-1.2.1&auto=format&fit=crop&w=1350&q=80');
    background-size: cover;
    background-position: center;
    color: white;
    text-align: center;
}

.hero-content {
    width: 100%;
}

.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.hero h2 {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    font-weight: normal;
}

.btn {
    display: inline-block;
    background-color: var(--accent-color);
    color: white;
    padding: 0.8rem 1.5rem;
    border-radius: 5px;
    transition: background-color 0.3s;
}

.btn:hover {
    background-color: var(--accent-dark);
}

/* Sections */
.section {
    padding: 5rem 0;
    background-color: var(--primary-bg);
}

.section-title {
    text-align: center;
    margin-bottom: 3rem;
    font-size: 2rem;
    color: var(--accent-color);
}

/* About Section */
.about-content {
    display: flex;
    gap: 2rem;
}

.about-text {
    flex: 2;
}

.about-text p {
    margin-bottom: 1rem;
}

.skills {
    flex: 1;
    background-color: var(--card-bg);
    padding: 1.5rem;
    border-radius: 5px;
    box-shadow: 0 3px 10px rgba(0,0,0,0.1);
    border: 1px solid var(--border-color);
}

.skills h3 {
    margin-bottom: 1rem;
    color: var(--accent-color);
}

.skills ul {
    list-style-position: inside;
}

.skills li {
    margin-bottom: 0.5rem;
}

/* Projects Section */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
}

.project-card {
    background-color: var(--card-bg);
    border-radius: 5px;
    overflow: hidden;
    box-shadow: 0 3px 10px rgba(0,0,0,0.1);
    transition: transform 0.3s;
    border: 1px solid var(--border-color);
}

.project-card:hover {
    transform: translateY(-5px);
}

.project-image {
    height: 200px;
    background-color: var(--secondary-bg);
    background-size: cover;
    background-position: center;
}

.project-info {
    padding: 1.5rem;
}

.project-info h3 {
    margin-bottom: 0.5rem;
    color: var(--accent-color);
}

.project-info p {
    margin-bottom: 1rem;
    color: var(--text-light);
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1rem;
}

.tag {
    background-color: var(--tag-bg);
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.8rem;
    color: var(--text-color);
}

/* Blog Section */
.blog-posts {
    background-color: var(--card-bg);
    padding: 2rem;
    border-radius: 5px;
    box-shadow: 0 3px 10px rgba(0,0,0,0.1);
    border: 1px solid var(--border-color);
}

.blog-placeholder {
    text-align: center;
    padding: 2rem;
    color: var(--text-light);
}

/* Notes Section */
.notes-content {
    background-color: var(--card-bg);
    padding: 2rem;
    border-radius: 5px;
    box-shadow: 0 3px 10px rgba(0,0,0,0.1);
    border: 1px solid var(--border-color);
}

.notes-placeholder {
    text-align: center;
    padding: 2rem;
    color: var(--text-light);
}

/* Footer */
footer {
    background-color: var(--footer-bg);
    color: white;
    text-align: center;
    padding: 2rem 0;
}

/* Theme Toggle Button */
.theme-toggle {
    background: none;
    border: none;
    color: white;
    cursor: pointer;
    font-size: 1.2rem;
    padding: 0.5rem;
    margin-left: 1rem;
    transition: transform 0.3s;
    background-color: var(--accent-dark);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.theme-toggle:hover {
    transform: scale(1.1);
    background-color: var(--accent-color);
}

/* Responsive Design */
@media (max-width: 768px) {
    .about-content {
        flex-direction: column;
    }
    
    .nav-links {
        display: none; /* Will add mobile menu functionality in JS */
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero h2 {
        font-size: 1.2rem;
    }
}