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

body {
    font-family: 'Inter', sans-serif;
    background: linear-gradient(135deg, #0f0f23 0%, #1a1a2e 50%, #16213e 100%);
    min-height: 100vh;
    color: #ffffff;
    overflow-x: hidden;
}

/* Background Animation */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 80%, rgba(120, 119, 198, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 119, 198, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(120, 219, 255, 0.2) 0%, transparent 50%);
    z-index: -1;
    animation: backgroundShift 20s ease-in-out infinite;
}

@keyframes backgroundShift {
    0%, 100% { transform: scale(1) rotate(0deg); }
    50% { transform: scale(1.1) rotate(1deg); }
}

/* Welcome Screen */
.welcome-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: linear-gradient(135deg, #0f0f23 0%, #1a1a2e 50%, #16213e 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    transition: all 0.5s ease;
}

.welcome-content {
    text-align: center;
    animation: fadeInUp 1s ease-out;
}

.welcome-title {
    font-size: 4rem;
    font-weight: 700;
    background: linear-gradient(45deg, #ff6b6b, #4ecdc4, #45b7d1);
    background-size: 200% 200%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientShift 3s ease-in-out infinite;
    margin-bottom: 20px;
}

.welcome-subtitle {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 40px;
    animation: fadeInUp 1s ease-out 0.3s both;
}

.welcome-btn {
    background: linear-gradient(45deg, #4ecdc4, #667eea);
    border: none;
    border-radius: 50px;
    padding: 20px 40px;
    color: white;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 15px;
    margin: 0 auto;
    position: relative;
    overflow: hidden;
    animation: fadeInUp 1s ease-out 0.6s both;
}

.welcome-btn::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;
}

.welcome-btn:hover::before {
    left: 100%;
}

.welcome-btn:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 15px 35px rgba(78, 205, 196, 0.4);
}

.welcome-btn i {
    font-size: 1.2rem;
    transition: transform 0.3s ease;
}

.welcome-btn:hover i {
    transform: scale(1.2);
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 40px 20px;
    position: relative;
    z-index: 1;
    animation: fadeInUp 1s ease-out;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Profile Layout */
.profile-section {
    margin-bottom: 40px;
    width: 100%;
}

.profile-layout {
    display: flex;
    align-items: center;
    gap: 40px;
    justify-content: center;
    flex-wrap: wrap;
}

.username-side {
    font-size: 3.5rem;
    font-weight: 700;
    background: linear-gradient(45deg, #ff6b6b, #4ecdc4, #45b7d1);
    background-size: 200% 200%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientShift 3s ease-in-out infinite;
    text-align: center;
}

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

/* Profile Section */
.profile-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 25px;
    padding: 40px;
    position: relative;
    overflow: hidden;
    transition: all 0.4s ease;
    min-width: 400px;
    max-width: 500px;
}

.profile-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.05), transparent);
    transform: translateX(-100%);
    transition: transform 0.6s ease;
}

.profile-card:hover::before {
    transform: translateX(100%);
}

.profile-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.3);
    border-color: rgba(78, 205, 196, 0.3);
}

.profile-header {
    display: flex;
    align-items: center;
    gap: 25px;
    margin-bottom: 30px;
}

.avatar-container {
    position: relative;
}

.avatar {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    border: 3px solid rgba(255, 255, 255, 0.2);
    transition: all 0.4s ease;
}

.avatar::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transform: rotate(45deg);
    transition: transform 0.6s ease;
}

.avatar:hover::before {
    transform: rotate(45deg) translate(50%, 50%);
}

.avatar:hover {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 20px 40px rgba(102, 126, 234, 0.4);
}

.avatar-text {
    font-size: 3rem;
    font-weight: 700;
    color: white;
    z-index: 2;
    position: relative;
}

.profile-info {
    flex: 1;
}

.profile-name {
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: #ffffff;
}

.bio {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 12px;
    line-height: 1.4;
    animation: typewriter 3s steps(40) 1s both;
    overflow: hidden;
    white-space: nowrap;
}

@keyframes typewriter {
    from { width: 0; }
    to { width: 100%; }
}

.status {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    color: #4ecdc4;
}

.status i {
    color: #ff6b6b;
    animation: heartbeat 2s ease-in-out infinite;
}

@keyframes heartbeat {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

/* Social Links */
.social-links {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.social-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 15px 20px;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    transition: all 0.3s ease;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.social-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: left 0.5s ease;
}

.social-item:hover::before {
    left: 100%;
}

.social-item:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-3px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.3);
    border-color: rgba(78, 205, 196, 0.3);
}

.social-item i {
    font-size: 1.2rem;
    color: #4ecdc4;
    transition: transform 0.3s ease;
}

.social-item:hover i {
    transform: scale(1.2);
}

/* Music Section */
.music-section {
    margin-top: 20px;
    width: 100%;
    max-width: 500px;
}

.music-player {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(15px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 25px;
    display: flex;
    align-items: center;
    gap: 20px;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.music-player::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, transparent, rgba(102, 126, 234, 0.1), transparent);
    transform: translateX(-100%);
    transition: transform 0.6s ease;
}

.music-player:hover::before {
    transform: translateX(100%);
}

.music-player:hover {
    transform: translateY(-5px);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.3);
    border-color: rgba(102, 126, 234, 0.3);
}

.music-artwork img {
    width: 80px;
    height: 80px;
    border-radius: 15px;
    border: 2px solid rgba(255, 255, 255, 0.2);
    transition: transform 0.3s ease;
    object-fit: cover;
}

.music-player:hover .music-artwork img {
    transform: scale(1.1);
}

.music-info {
    flex: 1;
}

.song-title {
    font-weight: 600;
    color: #ffffff;
    margin-bottom: 5px;
    font-size: 1.3rem;
}

.song-artist {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 12px;
}

.progress-bar {
    width: 100%;
    height: 5px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
    margin-bottom: 10px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #4ecdc4, #667eea);
    border-radius: 3px;
    width: 0%;
    transition: width 0.1s ease;
}

.time-info {
    display: flex;
    justify-content: space-between;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.6);
}

.control-btn {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.control-btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    transition: all 0.3s ease;
    transform: translate(-50%, -50%);
}

.control-btn:hover::before {
    width: 100%;
    height: 100%;
}

.control-btn:hover {
    transform: scale(1.1);
    border-color: rgba(78, 205, 196, 0.5);
}

/* Floating Particles */
.floating-particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
}

.particle {
    position: absolute;
    width: 2px;
    height: 2px;
    background: rgba(78, 205, 196, 0.3);
    border-radius: 50%;
    animation: float 6s linear infinite;
}

@keyframes float {
    0% {
        transform: translateY(100vh) rotate(0deg);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        transform: translateY(-100px) rotate(360deg);
        opacity: 0;
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 20px;
    }
    
    .profile-layout {
        flex-direction: column;
        gap: 30px;
    }
    
    .username-side {
        font-size: 3rem;
    }
    
    .profile-card {
        min-width: 300px;
        padding: 30px;
    }
    
    .social-links {
        grid-template-columns: 1fr;
    }
    
    .profile-header {
        flex-direction: column;
        text-align: center;
    }
    
    .avatar {
        width: 80px;
        height: 80px;
    }
    
    .avatar-text {
        font-size: 2.5rem;
    }
    
    .welcome-title {
        font-size: 3rem;
    }
    
    .welcome-btn {
        padding: 15px 30px;
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 15px;
    }
    
    .profile-card {
        min-width: 250px;
        padding: 25px;
    }
    
    .username-side {
        font-size: 2.5rem;
    }
    
    .welcome-title {
        font-size: 2.5rem;
    }
    
    .welcome-subtitle {
        font-size: 1rem;
    }
}

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

::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.1);
}

::-webkit-scrollbar-thumb {
    background: rgba(78, 205, 196, 0.5);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(78, 205, 196, 0.7);
}

/* Add floating particles */
.floating-particles::before,
.floating-particles::after {
    content: '';
    position: absolute;
    width: 2px;
    height: 2px;
    background: rgba(78, 205, 196, 0.3);
    border-radius: 50%;
    animation: float 8s linear infinite;
}

.floating-particles::before {
    left: 10%;
    animation-delay: 0s;
}

.floating-particles::after {
    left: 90%;
    animation-delay: 4s;
}