/* ======================
   ROMANTIC THEME (Default)
   ====================== */
[data-theme="romantic"] {
    --primary-color: #d4a574;
    --secondary-color: #f4e6d7;
    --accent-color: #c49a7b;
    --text-color: #5d4e37;
    --text-light: #8b7355;
    --bg-color: #fefbf7;
    --bg-secondary: #f9f5f1;
    --bg-accent: rgba(212, 165, 116, 0.1);
    --border-color: rgba(212, 165, 116, 0.3);
    --shadow-color: rgba(212, 165, 116, 0.2);
}

[data-theme="romantic"] body {
    background: linear-gradient(135deg, var(--bg-color) 0%, var(--bg-secondary) 100%);
    color: var(--text-color);
}

[data-theme="romantic"] .navbar {
    background: rgba(254, 251, 247, 0.95);
    border-bottom: 1px solid var(--border-color);
}

[data-theme="romantic"] .nav-brand h1 {
    color: var(--primary-color);
}

[data-theme="romantic"] .artist-subtitle {
    color: var(--text-light);
}

[data-theme="romantic"] .nav-menu a {
    color: var(--text-color);
}

[data-theme="romantic"] .nav-menu a::after {
    background: var(--primary-color);
}

[data-theme="romantic"] .selector-btn {
    background: var(--bg-secondary);
    color: var(--text-color);
    border-color: var(--border-color);
}

[data-theme="romantic"] .selector-btn:hover {
    border-color: var(--primary-color);
    background: var(--bg-accent);
}

[data-theme="romantic"] .dropdown-menu {
    background: var(--bg-color);
    border-color: var(--border-color);
}

[data-theme="romantic"] .dropdown-item:hover {
    background: var(--bg-accent);
}

[data-theme="romantic"] .mobile-menu-toggle span {
    background: var(--text-color);
}

[data-theme="romantic"] .btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: white;
    box-shadow: 0 8px 25px var(--shadow-color);
}

[data-theme="romantic"] .btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 35px var(--shadow-color);
}

[data-theme="romantic"] .btn-secondary {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

[data-theme="romantic"] .btn-secondary:hover {
    background: var(--primary-color);
    color: white;
}

[data-theme="romantic"] .section-title::after {
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
}

[data-theme="romantic"] .stat {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
}

[data-theme="romantic"] .stat-number {
    color: var(--primary-color);
}

[data-theme="romantic"] .category-btn {
    background: var(--bg-secondary);
    color: var(--text-color);
    border-color: var(--border-color);
}

[data-theme="romantic"] .category-btn.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

[data-theme="romantic"] .contact-form-container {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
}

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

[data-theme="romantic"] .form-group input:focus,
[data-theme="romantic"] .form-group textarea:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(212, 165, 116, 0.1);
}

[data-theme="romantic"] .form-group label {
    color: var(--text-light);
}

[data-theme="romantic"] .social-links a {
    background: var(--bg-secondary);
    color: var(--primary-color);
    border: 1px solid var(--border-color);
}

[data-theme="romantic"] .social-links a:hover {
    background: var(--primary-color);
    color: white;
}

[data-theme="romantic"] .success-message {
    background: var(--bg-accent);
    color: var(--primary-color);
    border: 1px solid var(--border-color);
}

/* ======================
   GALLERY THEME
   ====================== */
[data-theme="gallery"] {
    --primary-color: #2c3e50;
    --secondary-color: #ecf0f1;
    --accent-color: #3498db;
    --text-color: #2c3e50;
    --text-light: #7f8c8d;
    --bg-color: #ffffff;
    --bg-secondary: #f8f9fa;
    --bg-accent: rgba(52, 152, 219, 0.05);
    --border-color: rgba(44, 62, 80, 0.1);
    --shadow-color: rgba(44, 62, 80, 0.15);
}

[data-theme="gallery"] body {
    background: var(--bg-color);
    color: var(--text-color);
    font-family: 'Playfair Display', serif;
}

[data-theme="gallery"] .navbar {
    background: rgba(255, 255, 255, 0.95);
    border-bottom: 1px solid var(--border-color);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

[data-theme="gallery"] .hero {
    background: linear-gradient(135deg, var(--bg-color) 0%, var(--bg-secondary) 100%);
}

[data-theme="gallery"] .hero-title {
    font-weight: 400;
    letter-spacing: -0.02em;
}

[data-theme="gallery"] .btn-primary {
    background: var(--primary-color);
    color: white;
    font-family: 'Inter', sans-serif;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    font-size: 0.9rem;
}

[data-theme="gallery"] .btn-primary:hover {
    background: var(--accent-color);
    transform: translateY(-2px);
}

[data-theme="gallery"] .btn-secondary {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    font-family: 'Inter', sans-serif;
}

[data-theme="gallery"] .section-title {
    font-weight: 300;
    letter-spacing: -0.01em;
}

[data-theme="gallery"] .section-title::after {
    background: var(--primary-color);
}

[data-theme="gallery"] .gallery-item {
    border: 1px solid var(--border-color);
    background: var(--bg-color);
}

[data-theme="gallery"] .selector-btn {
    background: var(--bg-color);
    color: var(--text-color);
    border-color: var(--border-color);
    font-family: 'Inter', sans-serif;
}

[data-theme="gallery"] .dropdown-menu {
    background: var(--bg-color);
    border-color: var(--border-color);
}

[data-theme="gallery"] .mobile-menu-toggle span {
    background: var(--text-color);
}

[data-theme="gallery"] .category-btn {
    background: transparent;
    color: var(--text-color);
    border: 1px solid var(--border-color);
    font-family: 'Inter', sans-serif;
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 1px;
}

[data-theme="gallery"] .category-btn.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

[data-theme="gallery"] .stat {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
}

[data-theme="gallery"] .contact-form-container {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
}

/* ======================
   ARTISTIC THEME
   ====================== */
[data-theme="artistic"] {
    --primary-color: #ff6b6b;
    --secondary-color: #4ecdc4;
    --accent-color: #45b7d1;
    --text-color: #2c3e50;
    --text-light: #7f8c8d;
    --bg-color: #ffffff;
    --bg-secondary: #f8f9fa;
}

[data-theme="artistic"] body {
    background: linear-gradient(-45deg, #ee7752, #e73c7e, #23a6d5, #23d5ab);
    background-size: 400% 400%;
    animation: gradientShift 15s ease infinite;
    color: var(--text-color);
}

@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

[data-theme="artistic"] body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 20% 80%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
    pointer-events: none;
    z-index: -1;
    animation: float 20s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    33% { transform: translate(30px, -30px) rotate(120deg); }
    66% { transform: translate(-20px, 20px) rotate(240deg); }
}

[data-theme="artistic"] .navbar {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px);
    border: none;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

[data-theme="artistic"] .hero {
    background: transparent;
}

[data-theme="artistic"] .hero-title {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color), var(--accent-color));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: titleGlow 3s ease-in-out infinite alternate;
}

@keyframes titleGlow {
    from { filter: brightness(1); }
    to { filter: brightness(1.2) saturate(1.1); }
}

[data-theme="artistic"] .btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    position: relative;
    overflow: hidden;
}

[data-theme="artistic"] .btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

[data-theme="artistic"] .btn-primary:hover::before {
    left: 100%;
}

[data-theme="artistic"] .section-title::after {
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color), var(--accent-color));
}

[data-theme="artistic"] .gallery-item {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

[data-theme="artistic"] .gallery-item:hover {
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
    border-color: var(--primary-color);
}

[data-theme="artistic"] .category-btn {
    background: rgba(255, 255, 255, 0.9);
    color: var(--text-color);
    border: 1px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
}

[data-theme="artistic"] .category-btn.active {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    transform: translateY(-2px) scale(1.05);
}

[data-theme="artistic"] .selector-btn {
    background: rgba(255, 255, 255, 0.9);
    color: var(--text-color);
    border-color: rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
}

[data-theme="artistic"] .dropdown-menu {
    background: rgba(255, 255, 255, 0.95);
    border-color: rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(15px);
}

[data-theme="artistic"] .mobile-menu-toggle span {
    background: var(--text-color);
}

[data-theme="evening"] .selector-btn {
    background: rgba(22, 33, 62, 0.9);
    color: var(--text-color);
    border-color: var(--border-color);
    box-shadow: 0 0 15px rgba(241, 196, 15, 0.2);
}

[data-theme="evening"] .dropdown-menu {
    background: rgba(22, 33, 62, 0.95);
    border-color: var(--border-color);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3), 0 0 20px rgba(241, 196, 15, 0.1);
}

[data-theme="evening"] .mobile-menu-toggle span {
    background: var(--text-color);
}

/* ======================
   EVENING THEME
   ====================== */
[data-theme="evening"] {
    --primary-color: #f1c40f;
    --secondary-color: #e67e22;
    --accent-color: #f39c12;
    --text-color: #ecf0f1;
    --text-light: #bdc3c7;
    --bg-color: #1a1a2e;
    --bg-secondary: #16213e;
    --bg-accent: #0f3460;
    --border-color: rgba(241, 196, 15, 0.3);
    --shadow-color: rgba(241, 196, 15, 0.2);
}

[data-theme="evening"] body {
    background: linear-gradient(135deg, var(--bg-color) 0%, var(--bg-secondary) 50%, var(--bg-accent) 100%);
    color: var(--text-color);
}

[data-theme="evening"] body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 10% 20%, rgba(241, 196, 15, 0.1) 0%, transparent 30%),
        radial-gradient(circle at 90% 80%, rgba(230, 126, 34, 0.1) 0%, transparent 30%),
        radial-gradient(circle at 50% 50%, rgba(243, 156, 18, 0.05) 0%, transparent 50%);
    pointer-events: none;
    z-index: -1;
    animation: magicGlow 20s ease-in-out infinite;
}

@keyframes magicGlow {
    0%, 100% { opacity: 0.8; }
    50% { opacity: 1; }
}

[data-theme="evening"] .navbar {
    background: rgba(26, 26, 46, 0.95);
    border-bottom: 1px solid var(--border-color);
    box-shadow: 0 4px 20px var(--shadow-color);
}

[data-theme="evening"] .nav-brand h1 {
    color: var(--primary-color);
    text-shadow: 0 0 20px rgba(241, 196, 15, 0.5);
}

[data-theme="evening"] .hero-title {
    color: var(--text-color);
    text-shadow: 0 0 30px rgba(241, 196, 15, 0.3);
}

[data-theme="evening"] .btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--bg-color);
    box-shadow: 0 8px 25px var(--shadow-color), 0 0 40px rgba(241, 196, 15, 0.3);
    position: relative;
}

[data-theme="evening"] .btn-primary::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: inherit;
    z-index: -1;
    filter: blur(8px);
    opacity: 0.7;
    animation: goldenGlow 2s ease-in-out infinite alternate;
}

@keyframes goldenGlow {
    from { opacity: 0.7; }
    to { opacity: 1; }
}

[data-theme="evening"] .btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 35px var(--shadow-color), 0 0 60px rgba(241, 196, 15, 0.4);
}

[data-theme="evening"] .btn-secondary {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    box-shadow: 0 0 20px rgba(241, 196, 15, 0.2);
}

[data-theme="evening"] .btn-secondary:hover {
    background: var(--primary-color);
    color: var(--bg-color);
    box-shadow: 0 0 30px rgba(241, 196, 15, 0.4);
}

[data-theme="evening"] .section-title {
    color: var(--text-color);
    text-shadow: 0 0 20px rgba(241, 196, 15, 0.3);
}

[data-theme="evening"] .section-title::after {
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    box-shadow: 0 0 20px var(--shadow-color);
}

[data-theme="evening"] .gallery-item {
    background: rgba(22, 33, 62, 0.8);
    border: 1px solid var(--border-color);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

[data-theme="evening"] .gallery-item:hover {
    border-color: var(--primary-color);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.4), 0 0 30px rgba(241, 196, 15, 0.2);
}

[data-theme="evening"] .category-btn {
    background: rgba(22, 33, 62, 0.8);
    color: var(--text-color);
    border: 1px solid var(--border-color);
}

[data-theme="evening"] .category-btn.active {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--bg-color);
    box-shadow: 0 0 20px var(--shadow-color);
}

[data-theme="evening"] .stat {
    background: rgba(22, 33, 62, 0.8);
    border: 1px solid var(--border-color);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}

[data-theme="evening"] .stat-number {
    color: var(--primary-color);
    text-shadow: 0 0 15px rgba(241, 196, 15, 0.5);
}

[data-theme="evening"] .contact-form-container {
    background: rgba(22, 33, 62, 0.9);
    border: 1px solid var(--border-color);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3), 0 0 30px rgba(241, 196, 15, 0.1);
}

[data-theme="evening"] .form-group input,
[data-theme="evening"] .form-group textarea {
    background: rgba(26, 26, 46, 0.8);
    border: 1px solid var(--border-color);
    color: var(--text-color);
}

[data-theme="evening"] .form-group input:focus,
[data-theme="evening"] .form-group textarea:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(241, 196, 15, 0.2), 0 0 20px rgba(241, 196, 15, 0.1);
}

[data-theme="evening"] .social-links a {
    background: rgba(22, 33, 62, 0.8);
    color: var(--primary-color);
    border: 1px solid var(--border-color);
    box-shadow: 0 0 15px rgba(241, 196, 15, 0.2);
}

[data-theme="evening"] .social-links a:hover {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--bg-color);
    box-shadow: 0 0 25px rgba(241, 196, 15, 0.4);
}

/* ======================
   DARK THEME (Повністю перероблена)
   ====================== */
[data-theme="dark"] {
    --primary-color: #8b5cf6;
    --secondary-color: #06b6d4;
    --accent-color: #f59e0b;
    --text-color: #f8fafc;
    --text-light: #cbd5e1;
    --bg-color: #0f172a;
    --bg-secondary: #1e293b;
    --bg-accent: #334155;
    --border-color: rgba(148, 163, 184, 0.2);
    --shadow-color: rgba(0, 0, 0, 0.5);
    --gradient-primary: linear-gradient(135deg, #8b5cf6, #06b6d4);
    --gradient-secondary: linear-gradient(135deg, #1e293b, #334155);
    --gradient-accent: linear-gradient(135deg, #f59e0b, #ef4444);
}

[data-theme="dark"] body {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #0f172a 100%);
    background-attachment: fixed;
    color: var(--text-color);
    position: relative;
}

/* Додаємо анімований фоновий паттерн */
[data-theme="dark"] body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 30%, rgba(139, 92, 246, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 70% 80%, rgba(6, 182, 212, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 90% 20%, rgba(245, 158, 11, 0.06) 0%, transparent 50%);
    pointer-events: none;
    z-index: -1;
    animation: darkThemeFloat 20s ease-in-out infinite;
}

@keyframes darkThemeFloat {
    0%, 100% { 
        transform: scale(1) rotate(0deg);
        opacity: 0.8;
    }
    50% { 
        transform: scale(1.1) rotate(5deg);
        opacity: 1;
    }
}

/* Навігація */
[data-theme="dark"] .navbar {
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

[data-theme="dark"] .nav-brand h1 {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    filter: drop-shadow(0 0 10px rgba(139, 92, 246, 0.3));
}

[data-theme="dark"] .nav-menu a {
    color: var(--text-color);
    position: relative;
    overflow: hidden;
}

[data-theme="dark"] .nav-menu a::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    opacity: 0.1;
    transition: left 0.3s ease;
}

[data-theme="dark"] .nav-menu a:hover::before {
    left: 0;
}

[data-theme="dark"] .nav-menu a::after {
    background: var(--gradient-primary);
}

/* Hero секція */
[data-theme="dark"] .hero {
    background: var(--bg-color);
    position: relative;
}

[data-theme="dark"] .hero-title {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    filter: drop-shadow(0 0 20px rgba(139, 92, 246, 0.3));
    animation: darkTitleGlow 3s ease-in-out infinite alternate;
}

@keyframes darkTitleGlow {
    from { filter: drop-shadow(0 0 20px rgba(139, 92, 246, 0.3)); }
    to { filter: drop-shadow(0 0 30px rgba(139, 92, 246, 0.5)); }
}

[data-theme="dark"] .hero-subtitle,
[data-theme="dark"] .hero-description {
    color: var(--text-light);
}

/* Кнопки */
[data-theme="dark"] .btn-primary {
    background: var(--gradient-primary);
    color: white;
    position: relative;
    overflow: hidden;
    box-shadow: 0 8px 25px rgba(139, 92, 246, 0.3);
}

[data-theme="dark"] .btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

[data-theme="dark"] .btn-primary:hover::before {
    left: 100%;
}

[data-theme="dark"] .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 35px rgba(139, 92, 246, 0.4);
}

[data-theme="dark"] .btn-secondary {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    position: relative;
    overflow: hidden;
}

[data-theme="dark"] .btn-secondary::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 100%;
    background: var(--gradient-primary);
    transition: width 0.3s ease;
    z-index: -1;
}

[data-theme="dark"] .btn-secondary:hover::before {
    width: 100%;
}

[data-theme="dark"] .btn-secondary:hover {
    color: white;
    border-color: transparent;
}

/* Секції */
[data-theme="dark"] section {
    background: var(--bg-color);
    color: var(--text-color);
}

[data-theme="dark"] .section-title {
    color: var(--text-color);
    position: relative;
}

[data-theme="dark"] .section-title::after {
    background: var(--gradient-primary);
    box-shadow: 0 0 20px rgba(139, 92, 246, 0.5);
}

/* About секція */
[data-theme="dark"] .about {
    background: var(--bg-secondary);
}

[data-theme="dark"] .about-image {
    position: relative;
    overflow: hidden;
}

[data-theme="dark"] .about-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 1;
    mix-blend-mode: overlay;
}

[data-theme="dark"] .about-image:hover::before {
    opacity: 0.3;
}

[data-theme="dark"] .stat {
    background: var(--gradient-secondary);
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

[data-theme="dark"] .stat::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    opacity: 0.1;
    transition: left 0.5s ease;
}

[data-theme="dark"] .stat:hover::before {
    left: 0;
}

[data-theme="dark"] .stat-number {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    filter: drop-shadow(0 0 10px rgba(139, 92, 246, 0.5));
}

/* Галерея */
[data-theme="dark"] .gallery {
    background: var(--bg-color);
}

[data-theme="dark"] .gallery-item {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

[data-theme="dark"] .gallery-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 1;
    pointer-events: none;
}

[data-theme="dark"] .gallery-item:hover::before {
    opacity: 0.1;
}

[data-theme="dark"] .gallery-item:hover {
    border-color: var(--primary-color);
    box-shadow: 0 15px 40px var(--shadow-color), 0 0 30px rgba(139, 92, 246, 0.3);
    transform: translateY(-10px) scale(1.02);
}

[data-theme="dark"] .category-btn {
    background: var(--bg-secondary);
    color: var(--text-color);
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

[data-theme="dark"] .category-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    transition: left 0.3s ease;
    z-index: -1;
}

[data-theme="dark"] .category-btn:hover::before {
    left: 0;
}

[data-theme="dark"] .category-btn:hover {
    color: white;
    border-color: transparent;
    transform: translateY(-2px);
}

[data-theme="dark"] .category-btn.active {
    background: var(--gradient-primary);
    color: white;
    border-color: transparent;
    box-shadow: 0 8px 25px rgba(139, 92, 246, 0.3);
}

/* Блог */
[data-theme="dark"] .blog {
    background: var(--bg-secondary);
}

[data-theme="dark"] .blog-post {
    background: var(--bg-accent);
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

[data-theme="dark"] .blog-post::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 1;
    pointer-events: none;
}

[data-theme="dark"] .blog-post:hover::before {
    opacity: 0.05;
}

[data-theme="dark"] .blog-post:hover {
    border-color: var(--primary-color);
    box-shadow: 0 15px 40px var(--shadow-color), 0 0 20px rgba(139, 92, 246, 0.2);
    transform: translateY(-5px);
}

[data-theme="dark"] .read-more-btn {
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    background: transparent;
    position: relative;
    overflow: hidden;
}

[data-theme="dark"] .read-more-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 100%;
    background: var(--gradient-primary);
    transition: width 0.3s ease;
    z-index: -1;
}

[data-theme="dark"] .read-more-btn:hover::before {
    width: 100%;
}

[data-theme="dark"] .read-more-btn:hover {
    color: white;
    border-color: transparent;
}

/* Контакти */
[data-theme="dark"] .contact {
    background: var(--bg-color);
}

[data-theme="dark"] .contact-form-container {
    background: var(--gradient-secondary);
    border: 1px solid var(--border-color);
    box-shadow: 0 15px 40px var(--shadow-color), 0 0 30px rgba(139, 92, 246, 0.1);
}

[data-theme="dark"] .form-group input,
[data-theme="dark"] .form-group textarea {
    background: var(--bg-accent);
    border: 1px solid var(--border-color);
    color: var(--text-color);
    position: relative;
}

[data-theme="dark"] .form-group input:focus,
[data-theme="dark"] .form-group textarea:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.2), 0 0 20px rgba(139, 92, 246, 0.1);
    background: var(--bg-secondary);
}

[data-theme="dark"] .form-group label {
    color: var(--text-light);
}

[data-theme="dark"] .social-links a {
    background: var(--bg-secondary);
    color: var(--primary-color);
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

[data-theme="dark"] .social-links a::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 100%;
    background: var(--gradient-primary);
    transition: width 0.3s ease;
    z-index: -1;
}

[data-theme="dark"] .social-links a:hover::before {
    width: 100%;
}

[data-theme="dark"] .social-links a:hover {
    color: white;
    border-color: transparent;
    transform: translateY(-3px) scale(1.1);
}

/* Селектори */
[data-theme="dark"] .selector-btn {
    background: var(--bg-secondary);
    color: var(--text-color);
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

[data-theme="dark"] .selector-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    opacity: 0.1;
    transition: left 0.3s ease;
}

[data-theme="dark"] .selector-btn:hover::before {
    left: 0;
}

[data-theme="dark"] .selector-btn:hover {
    border-color: var(--primary-color);
    box-shadow: 0 0 15px rgba(139, 92, 246, 0.3);
}

[data-theme="dark"] .dropdown-menu {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    box-shadow: 0 15px 40px var(--shadow-color), 0 0 20px rgba(139, 92, 246, 0.1);
}

[data-theme="dark"] .dropdown-item {
    color: var(--text-color);
    position: relative;
    overflow: hidden;
}

[data-theme="dark"] .dropdown-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    opacity: 0.1;
    transition: left 0.3s ease;
    z-index: -1;
}

[data-theme="dark"] .dropdown-item:hover::before {
    left: 0;
}

[data-theme="dark"] .dropdown-item:hover {
    color: var(--text-color);
}

/* Модальні вікна */
[data-theme="dark"] .modal-content {
    background: var(--bg-secondary);
    color: var(--text-color);
    border: 1px solid var(--border-color);
    box-shadow: 0 25px 50px var(--shadow-color);
}

[data-theme="dark"] .modal-close {
    color: var(--text-light);
    transition: all 0.3s ease;
}

[data-theme="dark"] .modal-close:hover {
    color: var(--primary-color);
    transform: scale(1.1);
    filter: drop-shadow(0 0 10px rgba(139, 92, 246, 0.5));
}

[data-theme="dark"] .artwork-meta {
    background: var(--gradient-secondary);
    border: 1px solid var(--border-color);
}

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

/* Повідомлення */
[data-theme="dark"] .success-message {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 8px 25px rgba(139, 92, 246, 0.3);
}

/* Мобільне меню */
[data-theme="dark"] .mobile-menu-toggle span {
    background: var(--text-color);
}

/* Додаткові інтерактивні ефекти */
[data-theme="dark"] .gallery-item,
[data-theme="dark"] .blog-post,
[data-theme="dark"] .btn,
[data-theme="dark"] .social-links a,
[data-theme="dark"] .category-btn,
[data-theme="dark"] .selector-btn {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Анімація для hover ефектів */
[data-theme="dark"] .stat:hover,
[data-theme="dark"] .gallery-item:hover,
[data-theme="dark"] .blog-post:hover {
    animation: darkHoverPulse 1s ease-in-out infinite alternate;
}

@keyframes darkHoverPulse {
    from { box-shadow: 0 15px 40px var(--shadow-color), 0 0 20px rgba(139, 92, 246, 0.2); }
    to { box-shadow: 0 15px 40px var(--shadow-color), 0 0 30px rgba(139, 92, 246, 0.4); }
}

[data-theme="dark"] .navbar {
    background: rgba(18, 18, 18, 0.95);
    border-bottom: 1px solid var(--border-color);
}

[data-theme="dark"] .nav-brand h1 {
    color: var(--primary-color);
}

[data-theme="dark"] .hero {
    background: linear-gradient(135deg, var(--bg-color) 0%, var(--bg-secondary) 100%);
}

[data-theme="dark"] .btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--bg-color);
}

[data-theme="dark"] .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 35px rgba(187, 134, 252, 0.3);
}

[data-theme="dark"] .btn-secondary {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

[data-theme="dark"] .btn-secondary:hover {
    background: var(--primary-color);
    color: var(--bg-color);
}

[data-theme="dark"] .section-title::after {
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
}

[data-theme="dark"] .gallery-item {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
}

[data-theme="dark"] .gallery-item:hover {
    border-color: var(--primary-color);
    box-shadow: 0 15px 40px var(--shadow-color);
}

[data-theme="dark"] .category-btn {
    background: var(--bg-secondary);
    color: var(--text-color);
    border: 1px solid var(--border-color);
}

[data-theme="dark"] .category-btn.active {
    background: var(--primary-color);
    color: var(--bg-color);
    border-color: var(--primary-color);
}

[data-theme="dark"] .stat {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
}

[data-theme="dark"] .stat-number {
    color: var(--primary-color);
}

[data-theme="dark"] .contact-form-container {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
}

[data-theme="dark"] .form-group input,
[data-theme="dark"] .form-group textarea {
    background: var(--bg-accent);
    border: 1px solid var(--border-color);
    color: var(--text-color);
}

[data-theme="dark"] .form-group input:focus,
[data-theme="dark"] .form-group textarea:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(187, 134, 252, 0.2);
}

[data-theme="dark"] .form-group label {
    color: var(--text-light);
}

[data-theme="dark"] .social-links a {
    background: var(--bg-secondary);
    color: var(--primary-color);
    border: 1px solid var(--border-color);
}

[data-theme="dark"] .social-links a:hover {
    background: var(--primary-color);
    color: var(--bg-color);
}

[data-theme="dark"] .modal-content {
    background: var(--bg-secondary);
    color: var(--text-color);
    border: 1px solid var(--border-color);
}

[data-theme="dark"] .modal-close {
    color: var(--text-light);
}

[data-theme="dark"] .modal-close:hover {
    color: var(--text-color);
}

[data-theme="dark"] .artwork-meta {
    background: var(--bg-accent);
    border: 1px solid var(--border-color);
}

[data-theme="dark"] .blog-post {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
}

[data-theme="dark"] .read-more-btn {
    color: var(--primary-color);
    border-color: var(--primary-color);
}

[data-theme="dark"] .read-more-btn:hover {
    background: var(--primary-color);
    color: var(--bg-color);
}

[data-theme="dark"] .success-message {
    background: rgba(3, 218, 198, 0.1);
    color: var(--secondary-color);
    border: 1px solid rgba(3, 218, 198, 0.3);
}

/* ======================
   THEME TRANSITIONS
   ====================== */
body,
.navbar,
.hero,
section,
.btn,
.gallery-item,
.category-btn,
.stat,
.contact-form-container,
.form-group input,
.form-group textarea,
.social-links a,
.modal-content,
.blog-post,
.read-more-btn {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ======================
   SPECIAL EFFECTS
   ====================== */

/* Particle effect for artistic theme */
[data-theme="artistic"] .hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(2px 2px at 20px 30px, #fff, transparent),
        radial-gradient(2px 2px at 40px 70px, rgba(255, 255, 255, 0.8), transparent),
        radial-gradient(1px 1px at 90px 40px, #fff, transparent),
        radial-gradient(1px 1px at 130px 80px, rgba(255, 255, 255, 0.8), transparent),
        radial-gradient(2px 2px at 160px 30px, #fff, transparent);
    background-repeat: repeat;
    background-size: 200px 100px;
    animation: sparkle 20s linear infinite;
    pointer-events: none;
    opacity: 0.3;
}

@keyframes sparkle {
    from { transform: translateY(0px); }
    to { transform: translateY(-100px); }
}

/* Glow effects for evening theme */
[data-theme="evening"] .gallery-item:hover,
[data-theme="evening"] .btn-primary:hover,
[data-theme="evening"] .social-links a:hover {
    animation: goldenPulse 1.5s ease-in-out infinite alternate;
}

@keyframes goldenPulse {
    from { 
        box-shadow: 0 15px 40px rgba(0, 0, 0, 0.4), 0 0 20px rgba(241, 196, 15, 0.2);
    }
    to { 
        box-shadow: 0 15px 40px rgba(0, 0, 0, 0.4), 0 0 40px rgba(241, 196, 15, 0.4);
    }
}

/* Smooth hover transitions */
.gallery-item,
.blog-post,
.btn,
.social-links a,
.category-btn,
.theme-btn,
.lang-btn {
    transform-origin: center;
    will-change: transform, box-shadow;
}

/* Focus states */
.btn:focus,
.category-btn:focus,
.theme-btn:focus,
.lang-btn:focus,
.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.1);
}

[data-theme="romantic"] .btn:focus,
[data-theme="romantic"] .category-btn:focus,
[data-theme="romantic"] .form-group input:focus,
[data-theme="romantic"] .form-group textarea:focus {
    box-shadow: 0 0 0 3px rgba(212, 165, 116, 0.3);
}

[data-theme="gallery"] .btn:focus,
[data-theme="gallery"] .category-btn:focus {
    box-shadow: 0 0 0 3px rgba(44, 62, 80, 0.2);
}

[data-theme="artistic"] .btn:focus,
[data-theme="artistic"] .category-btn:focus {
    box-shadow: 0 0 0 3px rgba(255, 107, 107, 0.3);
}

[data-theme="evening"] .btn:focus,
[data-theme="evening"] .category-btn:focus {
    box-shadow: 0 0 0 3px rgba(241, 196, 15, 0.3);
}

[data-theme="dark"] .btn:focus,
[data-theme="dark"] .category-btn:focus {
    box-shadow: 0 0 0 3px rgba(187, 134, 252, 0.3);
}