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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: #000;
    overflow: hidden;
}

.slideshow-container {
    width: 100vw;
    height: 100vh;
    position: relative;
    background: #000;
}

.header {
    position: absolute;
    top: 30px;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    z-index: 100;
    text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.8);
}

.header h1 {
    font-size: 3em;
    color: #fff;
    margin-bottom: 5px;
    font-weight: 700;
}

.subtitle {
    font-size: 1.2em;
    color: rgba(255, 255, 255, 0.9);
    font-style: italic;
}

.slide-wrapper {
    position: relative;
    width: 100%;
    height: 100%;
    overflow: hidden;
    background: #000;
}

.slide {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 1s ease-in-out;
}

.slide.active {
    opacity: 1;
}

.slide img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.controls {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    justify-content: center;
    gap: 20px;
    z-index: 100;
}

.nav-btn {
    background-color: rgba(102, 126, 234, 0.8);
    color: white;
    border: none;
    padding: 15px 25px;
    font-size: 1.5em;
    cursor: pointer;
    border-radius: 10px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(10px);
}

.nav-btn:hover {
    background-color: rgba(118, 75, 162, 0.9);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(118, 75, 162, 0.6);
}

.nav-btn:active {
    transform: translateY(0);
}

.slide-indicator {
    position: absolute;
    bottom: 100px;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    font-size: 1.1em;
    color: rgba(255, 255, 255, 0.8);
    z-index: 100;
    text-shadow: 1px 1px 4px rgba(0, 0, 0, 0.8);
}

.music-player {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: rgba(255, 255, 255, 0.95);
    padding: 15px 25px;
    border-radius: 50px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    display: flex;
    align-items: center;
    gap: 12px;
    z-index: 1000;
}

#play-pause-btn {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    width: 45px;
    height: 45px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1em;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

#play-pause-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(118, 75, 162, 0.6);
}

.music-label {
    font-size: 0.9em;
    color: #666;
    font-weight: 500;
}

/* Responsive Design */
@media (max-width: 768px) {
    .header {
        top: 20px;
    }

    .header h1 {
        font-size: 2em;
    }

    .subtitle {
        font-size: 1em;
    }

    .controls {
        bottom: 80px;
    }

    .nav-btn {
        padding: 12px 20px;
        font-size: 1.3em;
    }

    .slide-indicator {
        bottom: 140px;
    }

    .music-player {
        top: 110px;
        bottom: auto;
        right: 15px;
        padding: 10px 15px;
    }

    .music-label {
        font-size: 0;
    }

    .music-label::before {
        content: "🎵";
        font-size: 18px;
    }
}

@media (max-width: 480px) {
    .header {
        top: 15px;
    }

    .header h1 {
        font-size: 1.5em;
    }

    .controls {
        gap: 15px;
        bottom: 100px;
    }

    .nav-btn {
        padding: 12px 18px;
        font-size: 1.1em;
    }

    .slide-indicator {
        bottom: 160px;
        font-size: 0.9em;
    }

    .music-player {
        top: 90px;
        bottom: auto;
    }
}