/* ============================================
   MODERN THEME - Clean, professional design
   ============================================ */

[data-theme="modern"] {
    --color-bg: #0f0f14;
    --color-bg-alt: #1a1a24;
    --color-text: #e8e8ef;
    --color-text-muted: #9999aa;
    --color-primary: #667eea;
    --color-primary-hover: #7c94ff;
    --color-secondary: #764ba2;
    --color-accent: #f093fb;
    --color-surface: #1e1e2a;
    --color-surface-hover: #2a2a3a;
    --color-border: #2a2a3f;
    --gradient-primary: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
}

[data-theme="modern"] body {
    background: var(--color-bg);
    color: var(--color-text);
}

/* Navigation */
[data-theme="modern"] .main-nav {
    background: rgba(15, 15, 20, 0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border);
}

[data-theme="modern"] .nav-logo {
    color: var(--color-text);
}

[data-theme="modern"] .nav-links a {
    color: var(--color-text-muted);
}

[data-theme="modern"] .nav-links a:hover {
    color: var(--color-primary);
}

[data-theme="modern"] .nav-links a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width 0.3s;
}

[data-theme="modern"] .nav-links a:hover::after {
    width: 100%;
}

[data-theme="modern"] .hamburger,
[data-theme="modern"] .hamburger::before,
[data-theme="modern"] .hamburger::after {
    background: var(--color-text);
}

[data-theme="modern"] .theme-toggle-btn {
    color: var(--color-text-muted);
    border-color: var(--color-border);
}

[data-theme="modern"] .theme-toggle-btn:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

/* Buttons */
[data-theme="modern"] .btn-primary {
    background: var(--gradient-primary);
    color: #fff;
    border: none;
}

[data-theme="modern"] .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.3);
}

[data-theme="modern"] .btn-secondary {
    background: transparent;
    color: var(--color-primary);
    border-color: var(--color-primary);
}

[data-theme="modern"] .btn-secondary:hover {
    background: rgba(102, 126, 234, 0.1);
}

/* Hero */
[data-theme="modern"] .hero {
    background: radial-gradient(ellipse at 30% 50%, rgba(102, 126, 234, 0.15) 0%, transparent 50%),
                radial-gradient(ellipse at 70% 50%, rgba(118, 75, 162, 0.1) 0%, transparent 50%);
}

[data-theme="modern"] .hero-title {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

[data-theme="modern"] .hero-ascii {
    color: var(--color-primary);
    opacity: 0.6;
}

[data-theme="modern"] .scroll-indicator {
    color: var(--color-text-muted);
}

/* Section titles */
[data-theme="modern"] .section-title {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* About */
[data-theme="modern"] .photo-frame {
    box-shadow: 0 8px 32px rgba(102, 126, 234, 0.2);
}

[data-theme="modern"] .about-fun-facts {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
}

/* Resume */
[data-theme="modern"] .resume-block {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
}

[data-theme="modern"] .resume-block h3 {
    border-bottom: 2px solid var(--color-border);
}

[data-theme="modern"] .skill-tag {
    background: rgba(102, 126, 234, 0.15);
    color: var(--color-primary-hover);
    border: 1px solid rgba(102, 126, 234, 0.3);
}

/* Gallery */
[data-theme="modern"] .gallery-item {
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
}

[data-theme="modern"] .gallery-overlay {
    background: rgba(102, 126, 234, 0.4);
}

[data-theme="modern"] .lightbox {
    background: rgba(0, 0, 0, 0.95);
}

/* Games */
[data-theme="modern"] .game-card {
    background: var(--color-surface);
    border-color: var(--color-border);
}

[data-theme="modern"] .game-card:hover {
    border-color: var(--color-primary);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.2);
}

[data-theme="modern"] .game-container {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
}

[data-theme="modern"] .game-header {
    border-bottom: 1px solid var(--color-border);
}

/* Contact */
[data-theme="modern"] .contact-link {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
}

[data-theme="modern"] .contact-link:hover {
    border-color: var(--color-primary);
    background: var(--color-surface-hover);
}

[data-theme="modern"] .form-group input,
[data-theme="modern"] .form-group textarea {
    background: var(--color-surface);
    color: var(--color-text);
    border-color: var(--color-border);
}

[data-theme="modern"] .form-group input:focus,
[data-theme="modern"] .form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.2);
}

/* Footer */
[data-theme="modern"] .site-footer {
    background: var(--color-bg-alt);
    color: var(--color-text-muted);
    border-top: 1px solid var(--color-border);
}

/* Theme panel */
[data-theme="modern"] .theme-panel {
    background: var(--color-bg-alt);
    border-left: 1px solid var(--color-border);
    box-shadow: -4px 0 20px rgba(0, 0, 0, 0.3);
}

[data-theme="modern"] .theme-option {
    border-color: var(--color-border);
}

[data-theme="modern"] .theme-option:hover,
[data-theme="modern"] .theme-option.active {
    border-color: var(--color-primary);
    background: rgba(102, 126, 234, 0.1);
}

/* Nav mobile */
[data-theme="modern"] .nav-links {
    background: var(--color-bg-alt);
}

/* Scrollbar */
[data-theme="modern"] ::-webkit-scrollbar {
    width: 8px;
}

[data-theme="modern"] ::-webkit-scrollbar-track {
    background: var(--color-bg);
}

[data-theme="modern"] ::-webkit-scrollbar-thumb {
    background: var(--color-border);
    border-radius: 4px;
}

[data-theme="modern"] ::-webkit-scrollbar-thumb:hover {
    background: var(--color-primary);
}

/* Animations */
[data-theme="modern"] .section {
    animation: fadeInUp 0.6s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Nostalgia */
[data-theme="modern"] .nostalgia-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
}

[data-theme="modern"] .nostalgia-card:hover {
    border-color: var(--color-primary);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.15);
}

[data-theme="modern"] .nostalgia-soundtrack {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
}

[data-theme="modern"] .soundtrack-item {
    background: rgba(102, 126, 234, 0.15);
    color: var(--color-primary-hover);
    border: 1px solid rgba(102, 126, 234, 0.25);
}

/* Theme callout */
[data-theme="modern"] .theme-callout {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
}

[data-theme="modern"] .theme-callout-link {
    color: var(--color-accent);
}

[data-theme="modern"] .theme-callout-link:hover {
    color: var(--color-primary-hover);
}

[data-theme="modern"] .theme-callout-btn {
    border-color: var(--color-border);
}

[data-theme="modern"] .theme-callout-btn:hover {
    border-color: var(--color-primary);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.2);
}

/* Sound toggle */
[data-theme="modern"] .sound-toggle {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    color: var(--color-text);
}