* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    -khtml-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

input, textarea {
    -webkit-user-select: text;
    -moz-user-select: text;
    -ms-user-select: text;
    user-select: text;
}

body {
    font-family: 'Montserrat', sans-serif;
    background: linear-gradient(135deg, #0f0c29, #302b63, #24243e);
    color: #fff;
    line-height: 1.6;
    min-height: 100vh;
    padding: 20px;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
}

header {
    text-align: center;
    margin-bottom: 40px;
    padding: 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.neon-text {
    font-size: 4rem;
    font-weight: 900;
    text-transform: uppercase;
    color: #fff;
    text-shadow: 
        0 0 5px #fff,
        0 0 10px #fff,
        0 0 20px #ff00ff,
        0 0 30px #ff00ff,
        0 0 40px #ff00ff;
    position: relative;
    display: inline-block;
    margin-bottom: 10px;
    animation: pulsate 1.5s infinite alternate;
}

.neon-text::after {
    content: attr(data-text);
    position: absolute;
    top: 0;
    left: 0;
    z-index: -1;
    text-shadow: 0 0 20px #ff00ff, 0 0 30px #ff00ff, 0 0 40px #ff00ff, 0 0 50px #ff00ff, 0 0 70px #ff00ff;
    opacity: 0.7;
}

@keyframes pulsate {
    0% {
        text-shadow: 0 0 5px #fff, 0 0 10px #fff, 0 0 15px #ff00ff, 0 0 20px #ff00ff;
    }
    100% {
        text-shadow: 0 0 10px #fff, 0 0 20px #fff, 0 0 30px #ff00ff, 0 0 40px #ff00ff, 0 0 50px #ff00ff;
    }
}

.tagline {
    font-family: 'Roboto Mono', monospace;
    font-size: 1.2rem;
    color: #a5a5a5;
}

#intro, #auth, #profile {
    background: rgba(0, 0, 0, 0.4);
    padding: 25px;
    border-radius: 10px;
    margin-bottom: 30px;
    box-shadow: 0 0 15px rgba(255, 0, 255, 0.3);
}

#intro {
    border: 1px solid rgba(255, 0, 255, 0.2);
}

#auth, #profile {
    border: 1px solid rgba(0, 255, 255, 0.2);
}

#intro h2, #auth h2, #profile h2 {
    margin-bottom: 15px;
    font-size: 1.8rem;
    text-shadow: 0 0 5px rgba(255, 255, 255, 0.5);
}

#intro h2 {
    color: #ff00ff;
}

#auth h2, #profile h2 {
    color: #00ffff;
    text-align: center;
}

.description p {
    margin-bottom: 15px;
    font-size: 1.1rem;
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-bottom: 20px;
}

input {
    padding: 15px;
    border: none;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.1);
    color: white;
    font-size: 1rem;
    border: 1px solid rgba(255, 0, 255, 0.3);
    transition: all 0.3s ease;
}

input:focus {
    outline: none;
    border-color: #ff00ff;
    box-shadow: 0 0 10px rgba(255, 0, 255, 0.5);
}

input::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.button-group {
    display: flex;
    gap: 15px;
    justify-content: center;
}

.neon-button {
    padding: 12px 25px;
    background: rgba(0, 0, 0, 0.7);
    color: #fff;
    border: 2px solid #ff00ff;
    border-radius: 8px;
    font-family: 'Roboto Mono', monospace;
    font-size: 1rem;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 0 10px rgba(255, 0, 255, 0.5), inset 0 0 10px rgba(255, 0, 255, 0.2);
}

.neon-button:hover {
    transform: translateY(-2px);
    background: rgba(255, 0, 255, 0.2);
    box-shadow: 0 0 20px rgba(255, 0, 255, 0.7), inset 0 0 15px rgba(255, 0, 255, 0.3);
}

.add-link {
    display: flex;
    gap: 15px;
    margin-bottom: 25px;
}

.add-link input {
    flex-grow: 1;
}

#linksList {
    list-style: none;
}

.link-item {
    display: flex;
    align-items: center;
    padding: 15px;
    margin-bottom: 15px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    transition: all 0.3s ease;
    border-left: 4px solid #ff00ff;
}

.link-item:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateX(5px);
}

.link-icon {
    width: 30px;
    height: 30px;
    margin-right: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.youtube { color: #FF0000; }
.vk { color: #4A76A8; }
.spotify { color: #1DB954; }
.yandex { color: #FFCC00; }
.default { color: #ff00ff; }

.link-url {
    flex-grow: 1;
    color: #fff;
    text-decoration: none;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.link-url:hover {
    color: #00ffff;
    text-decoration: underline;
}

.delete-btn {
    background: rgba(255, 0, 0, 0.2);
    color: #ff3366;
    border: none;
    border-radius: 3px;
    padding: 5px 10px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.delete-btn:hover {
    background: rgba(255, 0, 0, 0.4);
    box-shadow: 0 0 10px rgba(255, 0, 0, 0.5);
}

footer {
    text-align: center;
    margin-top: 40px;
    padding: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: #a5a5a5;
    font-family: 'Roboto Mono', monospace;
}

@media (max-width: 600px) {
    .neon-text {
        font-size: 2.5rem;
    }
    
    .button-group {
        flex-direction: column;
    }
    
    .add-link {
        flex-direction: column;
    }
}