:root {
    /* DARK THEME (Default) - Deep Navy */
    --bg-color: #0a192f;
    --card-bg: #112240;
    --terminal-bg: #020c1b;
    --terminal-header: #233554;
    --text-primary: #ccd6f6;
    --text-secondary: #8892b0;
    --accent: #64ffda; /* Neon Green */
    --highlight: rgba(100, 255, 218, 0.1);
    
    --font-mono: 'Fira Code', monospace;
    --font-sans: 'Inter', sans-serif;
}

[data-theme="light"] {
    /* SOLARIZED LIGHT THEME */
    --bg-color: #fdf6e3;
    --card-bg: #eee8d5;
    --terminal-bg: #fdf6e3;
    --terminal-header: #93a1a1;
    --text-primary: #002b36;
    --text-secondary: #586e75;
    --accent: #00796b; /* Teal */
    --highlight: rgba(0, 121, 107, 0.1);
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: var(--font-sans);
    line-height: 1.6;
    transition: background-color 0.3s, color 0.3s;
}

a { text-decoration: none; color: inherit; transition: 0.3s; }
ul { list-style: none; }

/* NAVBAR */
.navbar {
    height: 72px;
    position: fixed;
    top: 0;
    left: 0; /* Ensure it sticks to the edge */
    width: 100%;
    display: flex;
    align-items: center; /* Vertically center content inside the bar */
    background: var(--bg-color);
    z-index: 100;
    border-bottom: 1px solid rgba(136, 146, 176, 0.1);
    backdrop-filter: blur(10px); /* Optional: Adds a nice blur effect behind nav */
}


.nav-container {
    width: 100%;
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
    
    /* THE FIX: distribute space between Logo and Right side */
    display: flex;
    justify-content: space-between; 
    align-items: center;
}

.logo {
    font-family: var(--font-mono);
    color: var(--accent);
    font-weight: bold;
    font-size: 1.1rem;
    /* Remove flex-shrink to ensure logo never squashes */
    flex-shrink: 0; 
}

/* Remove 'margin-left: auto' as justify-content handles the spacing now */
.nav-right {
    display: flex;
    align-items: center;
    gap: 20px;
}

.nav-links { display: flex; gap: 20px; }
.nav-links a { font-size: 0.9rem; font-family: var(--font-mono); color: var(--text-primary); }
.nav-links a:hover, .nav-links a.active { color: var(--accent); }

.nav-icons { display: flex; align-items: center; gap: 15px; }
.nav-icons a { color: var(--text-secondary); }
.nav-icons a:hover { color: var(--accent); transform: translateY(-2px); }

#theme-toggle {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
}
#theme-toggle:hover { color: var(--accent); }
[data-theme="dark"] .sun { display: block; }
[data-theme="dark"] .moon { display: none; }
[data-theme="light"] .sun { display: none; }
[data-theme="light"] .moon { display: block; }

/* HERO SECTION */
.hero-section {
    min-height: 90vh;
    display: flex;
    align-items: center;
    padding-top: 72px;
    padding-bottom: 40px;
}

.container { width: 100%; max-width: 1100px; margin: 0 auto; padding: 0 20px; }

.split-layout {
    display: flex;
    flex-direction: row-reverse; /* Terminal on right/top for visual balance */
    align-items: flex-start;
    gap: 50px;
}

/* TERMINAL */
.terminal-wrapper { flex: 1.2; width: 100%; }

.terminal-window {
    width: 100%;
    background: var(--terminal-bg);
    border-radius: 8px;
    box-shadow: 0 20px 50px rgba(0,0,0,0.3);
    border: 1px solid var(--text-secondary);
    font-family: var(--font-mono);
    overflow: hidden;
}

.terminal-header {
    background: var(--terminal-header);
    padding: 10px 15px;
    display: flex;
    align-items: center;
    position: relative;
}

.buttons { display: flex; gap: 8px; }
.buttons span { width: 12px; height: 12px; border-radius: 50%; }
.close { background: #ff5f56; }
.minimize { background: #ffbd2e; }
.maximize { background: #27c93f; }

.title {
    position: absolute;
    left: 0; right: 0;
    text-align: center;
    color: #020c1b;
    font-size: 0.8rem;
    font-weight: bold;
}

.terminal-body {
    padding: 20px;
    height: auto;
    overflow-y: auto;
    font-size: 0.9rem;
    color: var(--text-primary);
}

.output-line { margin-bottom: 5px; }
.tree-item { margin-left: 20px; }
.tree-marker { color: var(--text-secondary); }
.term-link { color: var(--accent); border-bottom: 1px dashed var(--accent); }
.term-link:hover { background: var(--highlight); }




.prompt { color: var(--accent); margin-right: 10px; font-weight: bold; }



/* INTRO TEXT */
.intro-text { flex: 0.8; padding-top: 20px; }

.intro-text h1 {
    font-size: 3rem;
    line-height: 1.1;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.highlight { color: var(--accent); }

.subtitle {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 30px;
    max-width: 500px;
}

.tech-pills {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 40px;
    font-family: var(--font-mono);
    font-size: 0.8rem;
}

.tech-pills span {
    background: var(--highlight);
    color: var(--accent);
    padding: 5px 10px;
    border-radius: 4px;
}

.cta-group { display: flex; gap: 20px; }

.btn-primary {
    background: var(--accent);
    color: var(--bg-color);
    padding: 12px 28px;
    border-radius: 4px;
    font-weight: bold;
    font-family: var(--font-mono);
}

.btn-outline {
    border: 1px solid var(--accent);
    color: var(--accent);
    padding: 12px 28px;
    border-radius: 4px;
    font-family: var(--font-mono);
}
.btn-outline:hover { background: var(--highlight); }

/* EDUCATION SECTION */
.education-section {
    padding: 60px 0 100px 0;
    background: var(--bg-color);
}

.section-title {
    font-family: var(--font-mono);
    color: var(--accent);
    font-size: 1.5rem;
    margin-bottom: 40px;
    display: flex;
    align-items: center;
}
.section-title::after {
    content: "";
    display: block;
    width: 200px;
    height: 1px;
    background: var(--text-secondary);
    margin-left: 20px;
    opacity: 0.2;
}

.education-grid {
    display: flex;
    flex-direction: column;
    gap: 30px;
    max-width: 800px;
}

.edu-card {
    background: var(--card-bg);
    padding: 30px;
    border-radius: 8px;
    border-left: 4px solid var(--accent);
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.edu-year {
    font-family: var(--font-mono);
    color: var(--accent);
    font-size: 0.9rem;
    min-width: 150px;
}

.edu-details h3 {
    color: var(--text-primary);
    font-size: 1.2rem;
    margin-bottom: 5px;
}

.edu-inst {
    color: var(--text-primary);
    font-weight: bold;
    margin-bottom: 10px;
    font-size: 0.95rem;
}

.edu-desc {
    color: var(--text-secondary);
    font-size: 0.9rem;
}


/* PROJECTS GRID */
.projects-container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 120px 20px;
}

.section-header { margin-bottom: 50px; }
.section-header h2 { font-family: var(--font-mono); color: var(--accent); font-size: 2rem; }
.section-header p { color: var(--text-secondary); }

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 25px;
}

.project-card {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 8px;
    transition: transform 0.2s;
    display: flex;
    flex-direction: column;
}

.project-card:hover { transform: translateY(-7px); }

.card-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.folder-icon { color: var(--accent); }
.links a { color: var(--text-secondary); }
.links a:hover { color: var(--accent); }

.project-card h3 {
    margin-bottom: 10px;
    color: var(--text-primary);
    font-size: 1.4rem;
}

.tech-stack-list {
    margin-bottom: 20px;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-secondary);
    display: flex;
    gap: 15px;
}

.description {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

footer {
    text-align: center;
    padding: 30px;
    color: var(--text-secondary);
    font-family: var(--font-mono);
    font-size: 0.8rem;
}

/* ================================
   SYSTEM NOTES (ISOLATED STYLES)
   ================================ */

.notes-container {
    max-width: 900px;
    margin: 0 auto;
    padding: 120px 20px;
}

.notes-sheet {
    background: var(--card-bg);
    padding: 40px 50px;
    border-radius: 10px;
    border-left: 4px solid var(--accent);
}

.notes-sheet h2 {
    font-family: var(--font-mono);
    color: var(--accent);
    margin-bottom: 25px;
}

.notes-sheet h3 {
    margin-top: 30px;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.notes-sheet p {
    color: var(--text-secondary);
    max-width: 760px;
}

.notes-sheet ul {
    margin-left: 20px;
    color: var(--text-secondary);
}

.notes-sheet li {
    margin-bottom: 6px;
}
.projects-container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 120px 20px;
}



@media (max-width: 768px) {
    .nav-links {
        display: none; /* Hide text links on mobile */
    }

    /* On mobile, justify-content: space-between (defined above) 
       will keep Logo on Left and Icons on Right.
    */
    
    .logo {
        font-size: 1rem;
    }

    .nav-icons {
        gap: 15px; /* Ensure space between github, linkedin, and theme toggle */
    }
    
    /* Fix Hero Layout for Mobile */
    .split-layout { 
        flex-direction: column-reverse; 
        gap: 30px; 
    }
    
    .terminal-window {
        margin-top: 20px;
    }
}

/* Responsive */
@media (max-width: 768px) {
    .split-layout { flex-direction: column-reverse; gap: 30px; }
    .intro-text { text-align: center; }
    .tech-pills { justify-content: center; }
    .cta-group { justify-content: center; }
    .intro-text h1 { font-size: 2.5rem; }
    .terminal-window { display: block; margin-bottom: 40px;} 
    .edu-card { flex-direction: column; gap: 10px;}
}