:root {
    --bg-dark: #010206;
    --ui-panel: #10121A;
    --ui-modal: #181A24;
    --glow-primary: #4A80F0;
    --glow-secondary: #87b1ff;
    --glow-accent: #FFD700;
    --border-color: rgba(74, 128, 240, 0.25);
    --border-hover: rgba(74, 128, 240, 0.6);
    --text-light: #e0eafc;
    --text-dark: #b0b8d3;
    --font-family: 'IBM Plex Mono', monospace;
    --glow-rgb: 74, 128, 240;
}

html { scroll-behavior: smooth; }

body {
    font-family: var(--font-family);
    background-color: var(--bg-dark);
    color: var(--text-light);
    overflow-x: hidden;
    background-image: radial-gradient(circle at center, rgba(var(--glow-rgb), 0.05) 0.5px, transparent 0.5px);
    background-size: 30px 30px; 
    background-position: -15px -15px;
}

#interactive-bg {
    position: fixed; top: 0; left: 0; width: 100vw; height: 100vh;
    z-index: -1; pointer-events: none; transition: background 0.2s ease-out;
}

h1, h2, h3, h4, .font-heading { font-family: var(--font-family); font-weight: 600; }
h1 { font-weight: 700; } 
h2 { font-weight: 600; }
h3 { font-weight: 600; }
p { line-height: 1.6; } 

/* --- Loader Styles --- */
#loader {
    position: fixed; top: 0; left: 0; width: 100vw; height: 100vh;
    background-color: var(--bg-dark); z-index: 9999; display: flex;
    align-items: center; justify-content: center; transition: opacity 0.5s ease-in-out;
}
#loader.hidden { opacity: 0; pointer-events: none; }

#loader-output p {
    opacity: 0;
    transform: translateY(10px);
    animation: fadeInLine 0.4s forwards;
}

.status-ok {
    color: var(--glow-primary);
    margin-left: 0.5rem;
}

@keyframes fadeInLine {
    to { opacity: 1; transform: translateY(0); }
}

.blinking-cursor {
    width: 2px; 
    animation: blink 0.8s step-end infinite; 
}

@keyframes blink {
    from, to { opacity: 1; }
    50% { opacity: 0; }
}
/* --- End Loader Styles --- */


#main-wrapper { opacity: 0; transition: opacity 0.5s ease-in-out; }
#main-wrapper.loaded { opacity: 1; }

.section-card {
    background: var(--ui-panel); border: 1px solid var(--border-color);
    border-radius: 1rem; transition: border-color 0.3s ease, box-shadow 0.3s ease;
}
.section-card:hover { border-color: var(--border-hover); box-shadow: 0 0 20px rgba(var(--glow-rgb), 0.1); }

.nav-link {
    position: relative; color: var(--text-dark);
    transition: color 0.3s ease; padding: 0.5rem 0;
}
.nav-link::before {
    content: ''; position: absolute; bottom: 0.25rem; left: 0;
    width: 0; height: 2px; background-color: var(--glow-primary); transition: width 0.3s ease;
}
.nav-link:hover, .nav-link.active { color: var(--text-light); }
.nav-link.active::before { width: 1.5rem; }

.social-link:hover img { filter: invert(50%) sepia(100%) saturate(2000%) hue-rotate(200deg) brightness(100%) contrast(100%); transform: scale(1.1); }
.social-link img { transition: filter 0.3s ease, transform 0.3s ease; }

.skill-tag { 
    background-color: rgba(var(--glow-rgb), 0.1); color: var(--glow-secondary);
    border: 1px solid rgba(var(--glow-rgb), 0.2); transition: all 0.3s ease;
    cursor: pointer;
}
.skill-tag:hover, .skill-tag.active { 
    background: rgba(var(--glow-rgb), 0.2); transform: translateY(-2px); 
    color: var(--text-light); box-shadow: 0 4px 10px rgba(var(--glow-rgb), 0.1);
    border-color: rgba(var(--glow-rgb), 0.4);
}

.clickable-card {
    background-color: rgba(0,0,0,0.2); border: 1px solid var(--border-color);
    transition: background-color 0.3s ease, border-color 0.3s ease, opacity 0.3s ease, transform 0.3s ease;
    cursor: pointer;
}
.clickable-card:hover {
    background-color: rgba(var(--glow-rgb), 0.05); border-color: var(--border-hover);
}
.clickable-card.dimmed {
    opacity: 0.4;
    transform: scale(0.98);
}


::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background-color: var(--border-color); border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background-color: var(--border-hover); }

.scroll-reveal { opacity: 0; transform: translateY(20px); transition: opacity 0.6s ease-out, transform 0.6s ease-out; }
.scroll-reveal.visible { opacity: 1; transform: translateY(0); }

.modal-overlay, .lightbox-overlay {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0, 0, 0, 0.9); 
    z-index: 1000;
    display: flex; align-items: center; justify-content: center;
    opacity: 0; transition: opacity 0.3s ease; pointer-events: none;
}
.modal-overlay.visible, .lightbox-overlay.visible { opacity: 1; pointer-events: all; }
.modal-content {
    background: var(--ui-modal); border: 1px solid var(--border-color);
    border-radius: 1rem; padding: 2rem; max-width: 90vw; width: 680px;
    max-height: 85vh; overflow-y: auto; position: relative;
    transform: scale(0.95); transition: transform 0.3s ease;
    box-shadow: 0 10px 30px rgba(var(--glow-rgb), 0.2); 
}
.modal-overlay.visible .modal-content { transform: scale(1); }
.modal-close-btn {
    position: absolute; top: 1rem; right: 1rem; color: var(--text-dark);
    cursor: pointer; transition: color 0.2s, transform 0.2s;
}
.modal-close-btn:hover { color: var(--text-light); transform: rotate(90deg); }

.lightbox-content { 
    position: relative; display: flex; align-items: center; justify-content: center; 
    width: 90%; height: 90%; 
}
.lightbox-img { max-width: 100%; max-height: 100%; border-radius: 8px; }
.lightbox-nav {
    position: absolute; top: 50%; transform: translateY(-50%);
    background: rgba(0,0,0,0.4); color: white; border-radius: 50%;
    border: 1px solid var(--border-color); cursor: pointer;
    width: 44px; height: 44px; display: flex; align-items: center; justify-content: center;
    transition: background 0.2s, border-color 0.2s;
}
.lightbox-nav:hover { background: var(--glow-primary); border-color: var(--border-hover); }
.lightbox-nav.prev { left: 1rem; }
.lightbox-nav.next { right: 1rem; }
.lightbox-caption {
    position: absolute; bottom: -2.5rem; left: 0; width: 100%;
    text-align: center; color: var(--text-dark); font-size: 0.9rem;
}

#cli-container {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%; z-index: 50;
    background: rgba(2, 4, 10, 0.8); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
    display: none; flex-direction: column; padding: 1rem; padding: 2rem;
}
#cli-output { flex-grow: 1; overflow-y: auto; font-family: var(--font-family); font-size: 1rem; white-space: pre-wrap; }
.status-dot { width: 8px; height: 8px; border-radius: 50%; transition: background-color 0.3s ease; }
#cli-input {
    box-shadow: inset 0 1px 3px rgba(0,0,0,0.3);
    border-radius: 0.25rem;
    padding: 0.25rem 0.5rem;
}

/* Theme Picker Styles */
#theme-picker {
    position: fixed; bottom: 1rem; right: 1rem; z-index: 100;
    background: var(--ui-panel); padding: 0.5rem; border-radius: 0.5rem;
    border: 1px solid var(--border-color); display: flex; gap: 0.5rem;
}
.color-swatch {
    width: 20px; height: 20px; border-radius: 50%; cursor: pointer;
    border: 2px solid transparent; transition: border-color 0.2s;
}
.color-swatch.active { border-color: var(--text-light); }

/* Glitch Effect */
.glitch { position: relative; display: inline-block; }
.glitch:hover::before, .glitch:hover::after {
    content: attr(data-text); position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: var(--bg-dark); overflow: hidden;
}
.glitch:hover::before {
    left: 2px; text-shadow: -2px 0 var(--glow-primary);
    animation: glitch-anim-1 2s infinite linear alternate-reverse;
}
.glitch:hover::after {
    left: -2px; text-shadow: -2px 0 var(--glow-secondary), 2px 2px var(--glow-primary);
    animation: glitch-anim-2 2s infinite linear alternate-reverse;
}
@keyframes glitch-anim-1 {
    0% { clip-path: inset(40% 0 50% 0); } 20% { clip-path: inset(10% 0 85% 0); }
    40% { clip-path: inset(55% 0 20% 0); } 60% { clip-path: inset(20% 0 70% 0); }
    80% { clip-path: inset(80% 0 5% 0); } 100% { clip-path: inset(40% 0 33% 0); }
}
@keyframes glitch-anim-2 {
    0% { clip-path: inset(70% 0 15% 0); } 20% { clip-path: inset(90% 0 5% 0); }
    40% { clip-path: inset(30% 0 60% 0); } 60% { clip-path: inset(80% 0 10% 0); }
    80% { clip-path: inset(15% 0 75% 0); } 100% { clip-path: inset(60% 0 25% 0); }
}

/* Mobile Navigation Styles */
@media (max-width: 1023px) {
    #main-nav {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--ui-panel);
        border-top: 1px solid var(--border-color);
        padding: 1rem 0;
        border-radius: 0 0 1rem 1rem;
        box-shadow: 0 10px 20px rgba(0,0,0,0.3);
    }
    #main-nav.open {
        display: flex;
    }
    .nav-link {
        padding: 0.75rem 1.5rem;
        width: 100%;
    }
    .nav-link::before {
        left: 1.5rem;
    }
}