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

body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(10px);
    z-index: 1001;
    transition: all 0.3s ease;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-logo h2 {
    color: #fff;
    font-size: 1.5rem;
    font-weight: 700;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    color: #fff;
    text-decoration: none;
    font-weight: 400;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: #ff6b6b;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: #ff6b6b;
    transition: width 0.3s ease;
}

.nav-link:hover::after {
    width: 100%;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.bar {
    width: 25px;
    height: 3px;
    background: #fff;
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section with Slider */
.hero {
    height: 100vh;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    overflow: hidden;
    background: linear-gradient(135deg, #0f1419 0%, #1a2332 100%);
    z-index: 1;
}

.slider-container {
    position: relative;
    width: 100%;
    height: 100%;
}

.slider {
    width: 100%;
    height: 100%;
    position: relative;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.8s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 20px;
    margin: 20px;
    overflow: hidden;
}

.slide.active {
    opacity: 1;
}

.slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    position: absolute;
    top: 0;
    left: 0;
}

/* Fallback for missing images */
.slide img:not([src]), 
.slide img[src=""],
.slide img[src*="placeholder"] {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
    text-align: center;
    padding: 20px;
}

.slide img:not([src])::after, 
.slide img[src=""]::after,
.slide img[src*="placeholder"]::after {
    content: "Slika se učitava...";
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 1.2rem;
    text-align: center;
}

.slide-content {
    position: relative;
    z-index: 2;
    text-align: left;
    color: #fff;
    background: rgba(0, 0, 0, 0.3);
    padding: 3rem;
    border-radius: 15px;
    backdrop-filter: blur(15px);
    max-width: 500px;
    margin-left: 4rem;
    margin-bottom: 4rem;
}

.slide-content h1 {
    font-size: 4rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    letter-spacing: -0.02em;
}

.slide-content p {
    font-size: 1.3rem;
    font-weight: 300;
    line-height: 1.6;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.slider-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: #fff;
    font-size: 1.5rem;
    padding: 1rem;
    cursor: pointer;
    border-radius: 50%;
    transition: all 0.3s ease;
    z-index: 3;
}

.slider-btn:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-50%) scale(1.1);
}

.prev-btn {
    left: 20px;
}

.next-btn {
    right: 20px;
}

/* Music Player Widget in Slider */
.slider-music-widget {
    position: absolute;
    bottom: 2rem;
    right: 2rem;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    border-radius: 15px;
    padding: 1.5rem;
    max-width: 300px;
    z-index: 10;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.slider-music-widget h3 {
    color: #fff;
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.slider-music-widget p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
    margin-bottom: 1rem;
    line-height: 1.4;
}

.slider-music-widget .album-info {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.slider-music-widget .album-art {
    width: 60px;
    height: 60px;
    border-radius: 8px;
    object-fit: cover;
    position: relative;
}

.slider-music-widget .play-btn {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(255, 255, 255, 0.9);
    border: 2px solid #000;
    border-radius: 50%;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.slider-music-widget .play-btn:hover {
    background: #fff;
    transform: translate(-50%, -50%) scale(1.1);
}

.slider-music-widget .play-btn i {
    color: #000;
    font-size: 0.8rem;
    margin-left: 2px;
}

.slider-dots {
    position: absolute;
    bottom: 2rem;
    left: 2rem;
    display: flex;
    gap: 10px;
    z-index: 3;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: all 0.3s ease;
}

.dot.active {
    background: #fff;
    transform: scale(1.2);
}

/* Section Styles */
section {
    padding: 80px 0;
    position: relative;
    z-index: 2;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 3rem;
    color: #333;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, #ff6b6b, #4ecdc4);
}

/* About Section */
.about {
    background: #f8f9fa;
    margin-top: 0;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text p {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    color: #666;
}

.skills h3 {
    margin-bottom: 1rem;
    color: #333;
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.skill-tag {
    background: linear-gradient(135deg, #ff6b6b, #4ecdc4);
    color: #fff;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
}

.about-image img {
    width: 100%;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

/* Gallery Section */
.gallery {
    background: #fff;
}

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

.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.gallery-item:hover {
    transform: translateY(-10px);
}

.gallery-item img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

/* Fallback for missing gallery images */
.gallery-item img:not([src]), 
.gallery-item img[src=""],
.gallery-item img[src*="placeholder"] {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 0.9rem;
    text-align: center;
    padding: 10px;
}

.gallery-item img:not([src])::after, 
.gallery-item img[src=""]::after,
.gallery-item img[src*="placeholder"]::after {
    content: "Galerija slika";
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 0.9rem;
    text-align: center;
}

.gallery-item:hover img {
    transform: scale(1.1);
}

.gallery-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    color: #fff;
    padding: 2rem 1.5rem 1.5rem;
    transform: translateY(100%);
    transition: transform 0.3s ease;
}

.gallery-item:hover .gallery-overlay {
    transform: translateY(0);
}

.gallery-overlay h3 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

/* Music Player Section */
.music {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
}

.music .section-title {
    color: #fff;
}

.music-player-container {
    display: flex;
    justify-content: center;
}

.music-player {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    border-radius: 20px;
    padding: 2rem;
    width: 100%;
    max-width: 600px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.player-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.add-song-btn {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: #fff;
    padding: 10px 20px;
    border-radius: 25px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.9rem;
}

.add-song-btn:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
}

.player-controls {
    margin-bottom: 2rem;
}

.current-song {
    display: flex;
    align-items: center;
    margin-bottom: 1.5rem;
}

#current-album-art {
    width: 60px;
    height: 60px;
    border-radius: 10px;
    margin-right: 1rem;
    object-fit: cover;
}

/* Fallback for missing album art */
#current-album-art:not([src]), 
#current-album-art[src=""],
#current-album-art[src*="placeholder"] {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 0.8rem;
    text-align: center;
}

#current-album-art:not([src])::after, 
#current-album-art[src=""]::after,
#current-album-art[src*="placeholder"]::after {
    content: "Album";
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 0.8rem;
    text-align: center;
}

.song-info h4 {
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.song-info p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
}

.controls {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.control-btn {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: #fff;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.control-btn:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: scale(1.1);
}

.play-btn {
    width: 60px;
    height: 60px;
    font-size: 1.2rem;
}

.progress-container {
    margin-bottom: 1.5rem;
}

.progress-bar {
    width: 100%;
    height: 6px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 3px;
    overflow: hidden;
    margin-bottom: 0.5rem;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #ff6b6b, #4ecdc4);
    width: 0%;
    transition: width 0.1s ease;
}

.time-display {
    display: flex;
    justify-content: space-between;
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.8);
}

.volume-control {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.volume-control i {
    color: rgba(255, 255, 255, 0.8);
}

#volume-slider {
    flex: 1;
    height: 4px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 2px;
    outline: none;
    -webkit-appearance: none;
}

#volume-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 16px;
    height: 16px;
    background: #fff;
    border-radius: 50%;
    cursor: pointer;
}

.playlist h4 {
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.song-list {
    max-height: 200px;
    overflow-y: auto;
}

.song-item {
    display: flex;
    align-items: center;
    padding: 0.8rem;
    background: rgba(255, 255, 255, 0.1);
    margin-bottom: 0.5rem;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.song-item:hover {
    background: rgba(255, 255, 255, 0.2);
}

.song-item.active {
    background: rgba(255, 255, 255, 0.3);
}

.song-item img {
    width: 40px;
    height: 40px;
    border-radius: 5px;
    margin-right: 1rem;
    object-fit: cover;
}

/* Fallback for missing song item images */
.song-item img:not([src]), 
.song-item img[src=""],
.song-item img[src*="placeholder"] {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 0.6rem;
    text-align: center;
}

.song-item img:not([src])::after, 
.song-item img[src=""]::after,
.song-item img[src*="placeholder"]::after {
    content: "♪";
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 0.8rem;
    text-align: center;
}

.song-item-info h5 {
    margin-bottom: 0.2rem;
    font-size: 0.9rem;
}

.song-item-info p {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.8);
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
}

.modal-content {
    background-color: #fff;
    margin: 5% auto;
    padding: 2rem;
    border-radius: 15px;
    width: 90%;
    max-width: 500px;
    position: relative;
    animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.close {
    position: absolute;
    right: 20px;
    top: 20px;
    font-size: 1.5rem;
    cursor: pointer;
    color: #666;
    transition: color 0.3s ease;
}

.close:hover {
    color: #333;
}

.modal-content h3 {
    margin-bottom: 1.5rem;
    color: #333;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: #333;
}

.form-group input {
    width: 100%;
    padding: 12px;
    border: 2px solid #e1e5e9;
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-group input:focus {
    outline: none;
    border-color: #667eea;
}

.form-actions {
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
}

.btn-primary, .btn-secondary {
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: #fff;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

.btn-secondary {
    background: #e1e5e9;
    color: #333;
}

.btn-secondary:hover {
    background: #d1d5d9;
}

/* Contact Section */
.contact {
    background: #f8f9fa;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.contact-item {
    display: flex;
    align-items: center;
    margin-bottom: 2rem;
}

.contact-item i {
    font-size: 1.5rem;
    color: #667eea;
    margin-right: 1rem;
    width: 40px;
    text-align: center;
}

.contact-item h4 {
    margin-bottom: 0.5rem;
    color: #333;
}

.contact-item p {
    color: #666;
}

.social-links {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: #fff;
    border-radius: 50%;
    text-decoration: none;
    font-size: 1.2rem;
    transition: all 0.3s ease;
}

.social-link:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(102, 126, 234, 0.3);
}

/* Footer */
.footer {
    background: #333;
    color: #fff;
    text-align: center;
    padding: 2rem 0;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: rgba(0, 0, 0, 0.9);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        padding: 2rem 0;
    }

    .nav-menu.active {
        left: 0;
    }

    .slide-content {
        margin-left: 2rem;
        margin-bottom: 2rem;
        padding: 2rem;
        max-width: 400px;
    }
    
    .slide-content h1 {
        font-size: 2.5rem;
    }

    .slide-content p {
        font-size: 1.1rem;
    }
    
    .slider-music-widget {
        bottom: 1rem;
        right: 1rem;
        max-width: 250px;
        padding: 1rem;
    }
    
    .slider-dots {
        bottom: 1rem;
        left: 1rem;
    }

    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .gallery-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }

    .music-player {
        padding: 1.5rem;
    }

    .controls {
        gap: 0.5rem;
    }

    .control-btn {
        width: 45px;
        height: 45px;
    }

    .play-btn {
        width: 55px;
        height: 55px;
    }
}

@media (max-width: 480px) {
    .section-title {
        font-size: 2rem;
    }

    .slide-content {
        padding: 1.5rem;
        margin-left: 1rem;
        margin-bottom: 1rem;
        max-width: 300px;
    }

    .slide-content h1 {
        font-size: 1.8rem;
    }
    
    .slider-music-widget {
        bottom: 0.5rem;
        right: 0.5rem;
        max-width: 200px;
        padding: 0.8rem;
    }
    
    .slider-music-widget h3 {
        font-size: 1rem;
    }
    
    .slider-music-widget p {
        font-size: 0.8rem;
    }
    
    .slider-dots {
        bottom: 0.5rem;
        left: 0.5rem;
    }

    .music-player {
        padding: 1rem;
    }

    .modal-content {
        margin: 10% auto;
        padding: 1.5rem;
    }
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, #5a6fd8, #6a4190);
}