* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Arial', sans-serif;
}

body {
    overflow: hidden;
    cursor: auto !important; /* Mouse imleci her zaman aktif ve görünür */
    background: linear-gradient(135deg, #1a1a2e, #16213e, #0f3460);
    min-height: 100vh;
    user-select: none; /* Metin seçimini engelle ama cursor aktif kalsın */
}

/* Her durumda mouse imleci aktif olsun */
*, *:before, *:after {
    cursor: auto !important;
}

.background-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: linear-gradient(135deg, #1a1a2e, #16213e, #0f3460);
    display: flex;
    align-items: center;
    justify-content: center;
}

#background-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    transition: opacity 0.5s ease-in-out;
}

#background-video.loaded {
    opacity: 1;
}

/* Loading fallback background */
.background-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 25% 25%, rgba(255, 68, 68, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 75% 75%, rgba(68, 147, 255, 0.1) 0%, transparent 50%),
        linear-gradient(135deg, #1a1a2e, #16213e, #0f3460);
    z-index: -1;
}

.logo-container {
    position: fixed;
    top: 30px;        /* Biraz daha aşağıda */
    right: 30px;      /* Biraz daha içeride */
    z-index: 10;
    max-width: 250px; /* Biraz daha küçük */
    opacity: 1;       /* Logo her zaman görünür */
    transform: translateY(0) scale(1); /* Normal pozisyon ve boyut */
    transition: all 0.8s ease-out; /* Daha yumuşak animasyon */
    filter: drop-shadow(0 4px 15px rgba(0, 0, 0, 0.3)); /* Gölge efekti */
}

.logo-container.loaded {
    opacity: 1;
    transform: translateY(0) scale(1); /* Normal boyuta dön */
}

#logo {
    width: 100%;
    height: auto;
    filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.4)); /* Daha belirgin gölge */
    max-height: 120px; /* Biraz daha küçük maksimum yükseklik */
    object-fit: contain;
    border-radius: 10px; /* Hafif yuvarlatılmış köşeler */
    transition: transform 0.3s ease; /* Hover efekti için */
}

#logo:hover {
    transform: scale(1.05); /* Hover'da büyütme efekti */
}

/* Fallback logo styling */
.fallback-logo {
    background: linear-gradient(135deg, #ff4444, #ff6666, #ff4444);
    background-size: 200% 200%;
    animation: gradientShift 3s ease-in-out infinite;
    color: white;
    padding: 20px 30px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 
        0 8px 32px rgba(255, 68, 68, 0.3),
        0 4px 16px rgba(0, 0, 0, 0.2);
    border: 2px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.fallback-logo:hover {
    transform: scale(1.05);
    box-shadow: 
        0 12px 40px rgba(255, 68, 68, 0.4),
        0 6px 20px rgba(0, 0, 0, 0.3);
}

.logo-text {
    display: block;
    font-size: 32px;
    font-weight: 900;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
    letter-spacing: 2px;
    margin-bottom: 5px;
}

.logo-subtext {
    display: block;
    font-size: 14px;
    font-weight: 600;
    text-shadow: 0 1px 4px rgba(0, 0, 0, 0.5);
    letter-spacing: 3px;
    opacity: 0.9;
}

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

.music-controls {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.8), rgba(20, 20, 20, 0.9));
    backdrop-filter: blur(15px);
    border-radius: 20px;
    padding: 20px 25px;
    color: white;
    display: flex;
    flex-direction: column;
    gap: 15px;
    width: 380px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6), 
                0 0 0 1px rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.15);
    animation: slideUp 0.5s ease-out;
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateX(-50%) translateY(100px);
    }
    to {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
}

.song-info {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
    padding-bottom: 15px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.music-icon {
    font-size: 28px;
    margin-right: 20px;
    color: #ff4444;
    text-shadow: 0 0 10px rgba(255, 68, 68, 0.5);
    animation: pulse 2s infinite;
}

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

.song-details {
    flex: 1;
    overflow: hidden;
}

#song-title {
    display: block;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.5);
}

.equalizer {
    display: flex;
    height: 18px;
    align-items: flex-end;
    gap: 2px;
}

.equalizer .bar {
    width: 4px;
    background: linear-gradient(to top, #ff4444, #ff6666);
    border-radius: 2px;
    animation: equalize 1.3s steps(10) infinite;
    box-shadow: 0 0 5px rgba(255, 68, 68, 0.4);
}

.equalizer .bar:nth-child(1) {
    animation-duration: 1.3s;
}

.equalizer .bar:nth-child(2) {
    animation-duration: 0.9s;
}

.equalizer .bar:nth-child(3) {
    animation-duration: 1.5s;
}

.equalizer .bar:nth-child(4) {
    animation-duration: 0.7s;
}

@keyframes equalize {
    0% {
        height: 4px;
    }
    50% {
        height: 18px;
    }
    100% {
        height: 4px;
    }
}

.controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
}

button {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.05));
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    color: white;
    font-size: 18px;
    width: 45px;
    height: 45px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(10px);
}

button:hover {
    color: #ff4444;
    background: linear-gradient(135deg, rgba(255, 68, 68, 0.2), rgba(255, 68, 68, 0.1));
    border-color: rgba(255, 68, 68, 0.5);
    transform: scale(1.1);
    box-shadow: 0 5px 15px rgba(255, 68, 68, 0.3);
}

button:active {
    transform: scale(0.95);
    box-shadow: 0 2px 8px rgba(255, 68, 68, 0.5);
}

#play-btn {
    width: 55px;
    height: 55px;
    font-size: 22px;
    background: linear-gradient(135deg, rgba(255, 68, 68, 0.3), rgba(255, 68, 68, 0.2));
    border-color: rgba(255, 68, 68, 0.5);
}

.volume-control {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-left: 20px;
    padding: 8px 15px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 25px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

#volume-icon {
    font-size: 16px;
    color: #ff4444;
    transition: color 0.3s ease;
}

#volume-icon:hover {
    color: #ff6666;
}

#volume-slider {
    width: 90px;
    height: 4px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 2px;
    outline: none;
    cursor: pointer;
    -webkit-appearance: none;
    appearance: none;
}

#volume-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 16px;
    height: 16px;
    background: linear-gradient(135deg, #ff4444, #ff6666);
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 2px 6px rgba(255, 68, 68, 0.4);
    transition: all 0.3s ease;
}

#volume-slider::-webkit-slider-thumb:hover {
    transform: scale(1.2);
    box-shadow: 0 3px 10px rgba(255, 68, 68, 0.6);
}

#volume-slider::-moz-range-thumb {
    width: 16px;
    height: 16px;
    background: linear-gradient(135deg, #ff4444, #ff6666);
    border-radius: 50%;
    cursor: pointer;
    border: none;
    box-shadow: 0 2px 6px rgba(255, 68, 68, 0.4);
}

.music-controls button {
    position: relative;
}

.music-controls button:hover::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 120%;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.9);
    color: white;
    padding: 8px 12px;
    border-radius: 6px;
    font-size: 12px;
    white-space: nowrap;
    z-index: 1000;
    pointer-events: none;
    opacity: 0;
    animation: tooltipFadeIn 0.3s ease forwards;
}

@keyframes tooltipFadeIn {
    from {
        opacity: 0;
        transform: translateX(-50%) translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
}

#volume-slider:active {
    transform: scale(1.05);
}

/* Make sure all interactive elements have pointer cursor */
button, #volume-slider, #volume-icon {
    cursor: pointer;
}

/* Error message styling */
.error-message {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(255, 68, 68, 0.9);
    color: white;
    padding: 20px;
    border-radius: 10px;
    text-align: center;
    z-index: 1001;
    max-width: 400px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

/* YouTube Background Styling */
.youtube-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.youtube-background iframe {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 100vw;
    height: 56.25vw; /* 16:9 aspect ratio */
    min-height: 100vh;
    min-width: 177.77vh; /* 16:9 aspect ratio */
    transform: translate(-50%, -50%) scale(1.2);
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.5s ease-in-out;
}

.youtube-background iframe.loaded {
    opacity: 1;
}

/* Hide YouTube controls and info */
.youtube-background iframe {
    border: none;
}

/* Manuel video başlatma butonu */
.video-start-button {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 1000;
    text-align: center;
}

.video-start-button button {
    background: linear-gradient(135deg, #ff4444, #ff6666);
    color: white;
    border: none;
    padding: 15px 30px;
    border-radius: 50px;
    font-size: 18px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(255, 68, 68, 0.4);
}

.video-start-button button:hover {
    transform: scale(1.05);
    box-shadow: 0 8px 25px rgba(255, 68, 68, 0.6);
}

.video-start-button button i {
    margin-right: 10px;
}

/* Responsive Design */
@media screen and (max-width: 480px) {
    .music-controls {
        width: 90%;
        padding: 15px 20px;
        bottom: 20px;
    }
    
    .controls {
        gap: 15px;
    }
    
    button {
        width: 40px;
        height: 40px;
        font-size: 16px;
    }
    
    #play-btn {
        width: 50px;
        height: 50px;
        font-size: 20px;
    }
    
    .volume-control {
        margin-left: 10px;
        padding: 6px 12px;
    }
    
    #volume-slider {
        width: 70px;
    }
    
    #song-title {
        font-size: 16px;
    }
    
    .music-icon {
        font-size: 24px;
        margin-right: 15px;
    }
}

@media screen and (max-width: 320px) {
    .music-controls {
        width: 95%;
        padding: 12px 15px;
    }
    
    .volume-control {
        display: none; /* Hide volume control on very small screens */
    }
}