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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    min-height: 100vh;
    overflow: hidden;
    color: #fff;
}

/* Neon background */
.neon-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(125deg, #0a0a2a 0%, #1a1a3a 50%, #0a0a2a 100%);
    z-index: -2;
}

.stars, .twinkling, .clouds {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    height: 100%;
    display: block;
}

.stars {
    background: #000 url('https://i.imgur.com/YKY28eT.png') repeat top center;
    z-index: -1;
}

.twinkling {
    background: transparent url('https://i.imgur.com/XYMF4ca.png') repeat top center;
    animation: move-twink-back 200s linear infinite;
    z-index: -1;
}

@keyframes move-twink-back {
    from {background-position: 0 0;}
    to {background-position: -10000px 5000px;}
}

/* Container */
.container {
    position: relative;
    width: 100%;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

/* Login card */
.login-card, .admin-card {
    position: relative;
    width: 100%;
    max-width: 600px;
    background: rgba(10, 10, 30, 0.8);
    backdrop-filter: blur(10px);
    border: 2px solid rgba(0, 255, 255, 0.3);
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 0 30px rgba(0, 255, 255, 0.3),
                inset 0 0 20px rgba(0, 255, 255, 0.2);
}

.admin-card {
    max-width: 900px;
}

/* Neon text */
.neon-text {
    font-size: 2.5em;
    text-transform: uppercase;
    letter-spacing: 5px;
    color: #fff;
    text-shadow: 0 0 10px #00ffff,
                 0 0 20px #00ffff,
                 0 0 40px #00ffff,
                 0 0 80px #00ffff;
    animation: neon-pulse 1.5s ease-in-out infinite alternate;
}

@keyframes neon-pulse {
    from {
        text-shadow: 0 0 10px #00ffff,
                     0 0 20px #00ffff,
                     0 0 30px #00ffff,
                     0 0 40px #00ffff;
    }
    to {
        text-shadow: 0 0 20px #00ffff,
                     0 0 30px #00ffff,
                     0 0 40px #00ffff,
                     0 0 50px #00ffff,
                     0 0 60px #00ffff;
    }
}

/* Neon button */
.neon-button {
    position: relative;
    display: inline-block;
    padding: 15px 30px;
    color: #00ffff;
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 4px;
    font-size: 16px;
    overflow: hidden;
    transition: 0.2s;
    border: 1px solid #00ffff;
    border-radius: 5px;
    background: transparent;
    cursor: pointer;
}

.neon-button:hover {
    background: #00ffff;
    color: #000;
    box-shadow: 0 0 10px #00ffff,
                0 0 40px #00ffff,
                0 0 80px #00ffff;
    transition-delay: 0.1s;
}

.neon-button span {
    position: absolute;
    display: block;
}

.neon-button span:nth-child(1) {
    top: 0;
    left: -100%;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, #00ffff);
    animation: btn-anim1 1s linear infinite;
}

@keyframes btn-anim1 {
    0% {left: -100%;}
    50%,100% {left: 100%;}
}

/* Neon ID */
.neon-id {
    color: #00ffff;
    text-shadow: 0 0 5px #00ffff,
                 0 0 10px #00ffff;
    font-weight: bold;
}

/* User info */
.user-info {
    display: flex;
    align-items: center;
    gap: 30px;
    margin: 40px 0;
}

.user-avatar {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    border: 3px solid #00ffff;
    box-shadow: 0 0 20px #00ffff;
    overflow: hidden;
    animation: float 3s ease-in-out infinite;
}

.user-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

@keyframes float {
    0%, 100% {transform: translateY(0);}
    50% {transform: translateY(-10px);}
}

/* Info items */
.info-item {
    margin: 15px 0;
    padding: 10px;
    border-left: 3px solid #00ffff;
    background: rgba(0, 255, 255, 0.05);
}

.info-label {
    font-size: 14px;
    color: #888;
    display: block;
    margin-bottom: 5px;
}

.info-value {
    font-size: 18px;
    color: #fff;
}

/* Admin table */
.neon-table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
}

.neon-table th {
    background: rgba(0, 255, 255, 0.2);
    color: #00ffff;
    padding: 12px;
    text-align: left;
    border-bottom: 2px solid #00ffff;
}

.neon-table td {
    padding: 10px;
    border-bottom: 1px solid rgba(0, 255, 255, 0.2);
}

.neon-table tr:hover {
    background: rgba(0, 255, 255, 0.1);
}

/* Responsive */
@media (max-width: 768px) {
    .login-card, .admin-card {
        padding: 20px;
    }
    
    .neon-text {
        font-size: 1.5em;
    }
    
    .user-info {
        flex-direction: column;
        text-align: center;
    }
    
    .neon-table {
        font-size: 12px;
    }
}