/* Splash Screen */
#splash-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: #0f172a;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.8s ease, visibility 0.8s;
}

.splash-content {
    text-align: center;
    color: white;
}

.splash-logo {
    font-family: 'Outfit', sans-serif;
    font-size: 4rem;
    font-weight: 800;
    background: linear-gradient(135deg, #0d9488, #a855f7);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 2rem;
    animation: pulse 2s infinite;
}

.progress-container {
    width: 300px;
    height: 4px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 2px;
    margin: 0 auto 1rem;
    overflow: hidden;
}

.progress-bar {
    width: 0%;
    height: 100%;
    background: #0d9488;
    transition: width 0.3s ease;
}

#splash-text {
    font-family: 'Fira Code', monospace;
    font-size: 0.8rem;
    color: #94a3b8;
    text-transform: uppercase;
    letter-spacing: 2px;
}

@keyframes pulse {
    0% { transform: scale(1); opacity: 0.8; }
    50% { transform: scale(1.05); opacity: 1; }
    100% { transform: scale(1); opacity: 0.8; }
}

#splash-screen.hidden {
    opacity: 0;
    visibility: hidden;
}

/* Design System & Tokens */
:root {
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --text-primary: #121212;
    --text-secondary: #4b5563; /* Darker grey for better contrast */
    --accent: #1db954;
    --accent-hover: #1ed760;
    --glass-bg: rgba(255, 255, 255, 0.85); /* Slightly more opaque for readability */
    --glass-border: rgba(0, 0, 0, 0.1);
    --card-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --nav-height: 70px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="dark"] {
    /* Dark Theme Tokens - Spotify Style (Standard Hex/RGBA) */
    --bg-primary: #121212;
    --bg-secondary: #181818;
    --text-primary: #ffffff;
    --text-secondary: #b3b3b3;
    --accent: #1db954;
    --accent-hover: #1ed760;
    --glass-bg: rgba(24, 24, 24, 0.7);
    --glass-border: rgba(255, 255, 255, 0.1);
    --card-shadow: 0 10px 15px -3px rgb(0 0 0 / 0.5);
}

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

html {
    scroll-behavior: smooth;
    cursor: none; /* Hide default cursor */
}

/* Custom Cursor */
.custom-cursor {
    width: 8px;
    height: 8px;
    background: var(--accent);
    border-radius: 50%;
    position: fixed;
    pointer-events: none;
    z-index: 10000; /* Higher than navbar */
    transform: translate(-50%, -50%);
    transition: width 0.3s ease, height 0.3s ease, opacity 0.3s ease;
    opacity: 1; /* Ensure visible */
}

.cursor-follower {
    width: 30px;
    height: 30px;
    border: 2px solid var(--accent);
    border-radius: 50%;
    position: fixed;
    pointer-events: none;
    z-index: 9999;
    transform: translate(-50%, -50%);
    transition: transform 0.1s ease, width 0.3s ease, height 0.3s ease, opacity 0.3s ease;
    opacity: 0.5;
}

/* Reveal Animations */
.reveal {
    position: relative;
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* Scroll Progress */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 4px;
    background: var(--accent);
    z-index: 10000;
}

/* Particles Container */
.particles-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    overflow: hidden;
}

.particle {
    position: absolute;
    background: var(--accent);
    border-radius: 50%;
    opacity: 0.15;
    pointer-events: none;
}

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    transition: background-color 0.3s ease, color 0.3s ease;
}

h1, h2, h3, h4 {
    font-family: 'Outfit', sans-serif;
    font-weight: 700;
    color: var(--text-primary);
}

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

ul {
    list-style: none;
}

/* Layout Utilities */
.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section {
    padding: 6rem 0;
}

.glass {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 1rem;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--nav-height);
    z-index: 1000;
    display: flex;
    align-items: center;
    transition: var(--transition);
}

.navbar.scrolled {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--glass-border);
    height: 60px;
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--accent), #3b82f6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-link:hover {
    color: var(--accent);
}

.theme-toggle, .cv-btn {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-primary);
    font-size: 1.2rem;
    padding: 0.5rem;
    border-radius: 0.5rem;
    transition: var(--transition);
}

.theme-toggle:hover, .cv-btn:hover {
    background: var(--glass-border);
    color: var(--accent);
}

.cv-btn {
    background: var(--accent);
    color: white !important;
    font-size: 0.9rem;
    font-weight: 600;
    padding: 0.6rem 1.2rem;
}

.cv-btn:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
}

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    background: radial-gradient(circle at 70% 30%, rgba(13, 148, 136, 0.1) 0%, transparent 50%);
}

.hero-content {
    max-width: 700px;
    z-index: 10;
}

.hero h1 {
    font-size: 4rem;
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.hero h1 span.typed-text {
    color: var(--accent);
}

.hero h1 span.cursor {
    display: inline-block;
    background-color: var(--accent);
    margin-left: 0.1rem;
    width: 3px;
    animation: blink 1s infinite;
}

.hero h1 span.cursor.typing {
    animation: none;
}

@keyframes blink {
    0%  { background-color: var(--accent); }
    49% { background-color: var(--accent); }
    50% { background-color: transparent; }
    99% { background-color: transparent; }
    100%  { background-color: var(--accent); }
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.hero-btns {
    display: flex;
    gap: 1rem;
}

.btn {
    padding: 0.8rem 2rem;
    border-radius: 0.5rem;
    font-weight: 600;
    transition: var(--transition);
    cursor: pointer;
}

.btn-primary {
    background: var(--accent);
    color: white;
    border: none;
}

.btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(13, 148, 136, 0.3);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--accent);
    color: var(--accent);
}

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

.hero-image {
    position: absolute;
    right: -10%;
    width: 50%;
    z-index: 1;
    opacity: 0.8;
}

/* Section Headings */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.underline {
    width: 60px;
    height: 4px;
    background: var(--accent);
    margin: 0 auto;
    border-radius: 2px;
}

/* Experience Timeline */
.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 2px;
    height: 100%;
    background: var(--glass-border);
}

.timeline-item {
    margin-bottom: 3rem;
    padding-left: 2rem;
    position: relative;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -6px;
    top: 0;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--accent);
    border: 3px solid var(--bg-primary);
}

.experience-card {
    padding: 1.5rem;
    background: var(--bg-secondary);
}

.experience-card h3 {
    margin-bottom: 0.5rem;
}

.experience-card .date {
    font-size: 0.9rem;
    color: var(--accent);
    font-weight: 600;
    margin-bottom: 1rem;
}

/* Project Filter Bar */
.filter-bar {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 3rem;
}

.filter-btn {
    padding: 0.5rem 1.5rem;
    border-radius: 2rem;
    border: 1px solid var(--glass-border);
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    backdrop-filter: blur(5px);
}

.filter-btn:hover, .filter-btn.active {
    background: var(--accent);
    color: white;
    border-color: var(--accent);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

/* Project Grid */
.project-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.project-category {
    grid-column: 1 / -1;
    margin: 0.5rem 0 0;
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--accent);
    letter-spacing: 0.02em;
}

.project-category:first-child {
    margin-top: 0;
}

.project-card {
    position: relative;
    border-radius: 1rem;
    overflow: hidden;
    background: var(--bg-secondary);
    box-shadow: var(--card-shadow);
    transition: transform 0.1s ease-out, box-shadow 0.3s ease;
    transform-style: preserve-3d;
}

.project-card:hover {
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.project-img {
    height: 200px;
    background: #e2e8f0;
    position: relative;
    overflow: hidden;
}

.project-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.project-card:hover .project-img img {
    transform: scale(1.1);
}

.project-info {
    padding: 1.5rem;
}

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

.tag {
    font-size: 0.75rem;
    background: var(--glass-border);
    padding: 0.2rem 0.6rem;
    border-radius: 1rem;
    color: var(--text-secondary);
}

/* Skills Section */
.skills-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

.skill-category h3 {
    margin-bottom: 1.5rem;
    font-size: 1.2rem;
    color: var(--accent);
}

.skill-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.skill-item {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.skill-item i {
    font-size: 1.5rem;
    color: var(--accent);
    width: 30px;
}

/* Contact Section */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 4rem;
}

.contact-info-list {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-item {
    display: flex;
    gap: 1rem;
}

.contact-item i {
    font-size: 1.5rem;
    color: var(--accent);
}

.contact-form {
    display: grid;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-weight: 600;
}

.form-group input, .form-group textarea {
    padding: 0.8rem;
    border-radius: 0.5rem;
    border: 1px solid var(--glass-border);
    background: var(--bg-secondary);
    color: var(--text-primary);
    outline: none;
    transition: var(--transition);
}

.form-group input:focus, .form-group textarea:focus {
    border-color: var(--accent);
}

/* Footer */
footer {
    padding: 4rem 0;
    text-align: center;
    border-top: 1px solid var(--glass-border);
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 2rem;
}

.social-links a {
    font-size: 1.5rem;
}

.social-links a:hover {
    color: var(--accent);
    transform: translateY(-3px);
}

/* Project Filter Bar */
.filter-bar {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.8rem 1.5rem;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(10px);
    border-radius: 2rem;
    color: var(--text-primary);
    cursor: pointer;
    font-family: 'Inter', sans-serif;
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition);
}

.filter-btn:hover {
    border-color: var(--accent);
    color: var(--accent);
    transform: translateY(-2px);
}

.filter-btn.active {
    background: var(--accent);
    color: white;
    border-color: var(--accent);
    box-shadow: 0 4px 15px rgba(13, 148, 136, 0.3);
}

/* Hide projects with animation */
.project-card.hide {
    display: none;
}

/* Floating Action Button (FAB) */
.fab-container {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
}

.fab-main {
    width: 60px;
    height: 60px;
    background: var(--accent);
    color: white;
    border-radius: 50%;
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(0,0,0,0.3);
    font-size: 1.5rem;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: var(--transition);
}

.fab-container:hover .fab-main {
    transform: rotate(135deg);
    background: #ef4444; /* Alert color when open */
}

.fab-options {
    display: flex;
    flex-direction: column;
    gap: 10px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: var(--transition);
}

.fab-container:hover .fab-options {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.fab-option {
    width: 45px;
    height: 45px;
    background: var(--bg-secondary);
    color: var(--accent);
    border: 1px solid var(--glass-border);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    box-shadow: var(--card-shadow);
    transition: var(--transition);
    text-decoration: none;
}

.fab-option:hover {
    background: var(--accent);
    color: white;
    transform: scale(1.1);
}

/* Responsive */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .nav-links {
        display: none;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-image {
        display: none;
    }
}

/* Animation Classes */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease-out;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* ATS Print Styles - Professional CV Redesign */
@media print {
    @page {
        margin: 1cm;
        size: A4;
    }

    body {
        background: white !important;
        color: #1a1a1a !important;
        font-family: 'Inter', Arial, sans-serif !important;
        font-size: 10pt !important;
        line-height: 1.4 !important;
        cursor: default !important;
    }

    /* Hide Web-only elements */
    .navbar, .theme-toggle, .cv-btn, .hero-btns, .project-img, .social-links, 
    footer, .btn, .underline, .custom-cursor, .cursor-follower, .scroll-progress,
    .particles-container, .terminal-section, .modal-overlay, #back-to-top,
    .project-card button {
        display: none !important;
    }

    .container {
        max-width: 100% !important;
        padding: 0 !important;
        margin: 0 !important;
    }

    /* Professional Header for Print */
    .hero {
        height: auto !important;
        padding: 0 0 2rem 0 !important;
        border-bottom: 2px solid #2563eb !important;
        margin-bottom: 2rem !important;
        display: block !important;
    }

    .hero h1 {
        font-size: 24pt !important;
        color: #1a1a1a !important;
        margin-bottom: 0.5rem !important;
    }

    .hero p {
        font-size: 14pt !important;
        color: #4b5563 !important;
        font-weight: 600 !important;
    }

    /* Layout: Two Columns for Print */
    .section {
        padding: 1rem 0 !important;
        page-break-inside: avoid;
    }

    h2 {
        font-size: 16pt !important;
        color: #2563eb !important;
        border-bottom: 1px solid #e5e7eb !important;
        padding-bottom: 0.3rem !important;
        margin-bottom: 1rem !important;
        text-transform: uppercase !important;
        letter-spacing: 1px !important;
    }

    .about-card {
        background: transparent !important;
        border: none !important;
        padding: 0 !important;
    }

    /* Skills: Compact Grid for Print */
    .skills-container {
        display: grid !important;
        grid-template-columns: 1fr 1fr 1fr !important;
        gap: 1.5rem !important;
    }

    .skill-item {
        font-size: 9pt !important;
        margin-bottom: 0.3rem !important;
    }

    .skill-item i {
        display: none !important; /* Icons don't always print well */
    }

    /* Experience: Professional Timeline for Print */
    .timeline::before { display: none !important; }
    
    .experience-card {
        margin-bottom: 1.5rem !important;
        border-left: 3px solid #2563eb !important;
        padding-left: 1rem !important;
    }

    .experience-card h3 {
        font-size: 12pt !important;
        margin-bottom: 0.2rem !important;
    }

    .experience-card .date {
        font-weight: 700 !important;
        color: #2563eb !important;
        margin-bottom: 0.5rem !important;
    }

    /* Projects: Clean List for Print */
    .project-grid {
        display: block !important;
    }

    .project-card {
        border: none !important;
        border-bottom: 1px solid #eee !important;
        padding: 1rem 0 !important;
        page-break-inside: avoid !important;
    }

    .project-card h3 {
        font-size: 12pt !important;
        color: #1a1a1a !important;
    }

    .tag {
        border: 1px solid #ddd !important;
        color: #666 !important;
        background: transparent !important;
        font-size: 8pt !important;
    }

    /* Stats: Hide circles, show as text */
    .stats-grid {
        display: flex !important;
        justify-content: space-between !important;
    }
    
    .stat-circle {
        border: none !important;
        font-weight: 700 !important;
        height: auto !important;
        width: auto !important;
    }
}

/* Terminal Section */
.terminal-section {
    background: #0f172a;
    color: #2dd4bf;
    padding: 2rem;
    border-radius: 1rem;
    font-family: 'Fira Code', monospace;
    box-shadow: 0 20px 50px rgba(0,0,0,0.5);
    margin: 4rem 0;
}

.terminal-header {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
    border-bottom: 1px solid #1e293b;
    padding-bottom: 0.5rem;
}

.dot { width: 12px; height: 12px; border-radius: 50%; }
.red { background: #ff5f56; }
.yellow { background: #ffbd2e; }
.green { background: #27c93f; }

.terminal-body {
    height: 300px;
    overflow-y: auto;
    font-size: 0.9rem;
    line-height: 1.4;
}

.terminal-input-line {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    margin-top: 1rem;
}

.terminal-input-line input {
    background: transparent;
    border: none;
    color: #2dd4bf;
    outline: none;
    flex: 1;
    font-family: inherit;
}

/* Modal Styles */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.8);
    backdrop-filter: blur(8px);
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.modal-content {
    background: var(--bg-secondary);
    color: var(--text-primary);
    max-width: 800px;
    width: 100%;
    border-radius: 1.5rem;
    padding: 3rem;
    position: relative;
    max-height: 90vh;
    overflow-y: auto;
    border: 1px solid var(--glass-border);
}

.close-modal {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    font-size: 2rem;
    cursor: pointer;
    color: var(--text-secondary);
}

/* Stats Dashboard */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.stat-item {
    text-align: center;
}

.stat-circle {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    border: 8px solid var(--glass-border);
    border-top-color: var(--accent);
    margin: 0 auto 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 800;
    transition: transform 0.5s ease;
}

.stat-item:hover .stat-circle {
    transform: rotate(360deg);
}

/* Testimonials */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.testimonial-card {
    padding: 2rem;
    border-radius: 1rem;
    font-style: italic;
    position: relative;
}

.testimonial-card::before {
    content: '"';
    font-size: 4rem;
    position: absolute;
    top: 0;
    left: 1rem;
    opacity: 0.1;
    font-family: serif;
}

.testi-author {
    margin-top: 1.5rem;
    font-style: normal;
    font-weight: 700;
    color: var(--accent);
}

/* Back to Top */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 6rem;
    width: 50px;
    height: 50px;
    background: var(--accent);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: none;
    display: none;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    box-shadow: 0 10px 20px rgba(0,0,0,0.2);
    z-index: 999;
    transition: var(--transition);
}

.back-to-top:hover {
    transform: translateY(-5px);
    background: var(--accent-hover);
}

/* 3D Immersion Mode */
.scene-3d {
    transition: transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    transform-style: preserve-3d;
}

body.mode-3d-active {
    perspective: 2000px;
    overflow-x: hidden;
}

body.mode-3d-active .scene-3d {
    transform: rotateY(-15deg) rotateX(5deg) scale(0.9);
}

body.mode-3d-active section {
    transform-style: preserve-3d;
    transition: transform 0.5s ease;
}

/* Layered depth for sections */
body.mode-3d-active .hero { transform: translateZ(100px); }
body.mode-3d-active #about { transform: translateZ(50px); }
body.mode-3d-active #skills { transform: translateZ(150px); }
body.mode-3d-active #projects { transform: translateZ(80px); }
body.mode-3d-active #experience { transform: translateZ(120px); }
body.mode-3d-active #testimonials { transform: translateZ(60px); }
body.mode-3d-active .terminal-section { transform: translateZ(200px); }

/* In 3D mode, make backgrounds more glass-like */
body.mode-3d-active .glass {
    box-shadow: 0 50px 100px rgba(0,0,0,0.3);
}

#threejs-world {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 1000;
    background: #0f172a;
}

#threejs-world canvas {
    display: block;
}

.world-ui {
    position: absolute;
    bottom: 2rem;
    left: 2rem;
    z-index: 1001;
    display: flex;
    align-items: center;
    gap: 1.5rem;
    background: rgba(15, 23, 42, 0.7);
    backdrop-filter: blur(10px);
    padding: 1rem 1.5rem;
    border-radius: 1rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: white;
}

.world-instruction {
    position: absolute;
    top: 2rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1001;
    color: rgba(255, 255, 255, 0.9);
    text-align: center;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 3px;
    pointer-events: none;
    background: rgba(0, 0, 0, 0.5);
    padding: 0.5rem 1.5rem;
    border-radius: 2rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(5px);
}