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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background: linear-gradient(135deg, #0f0c29, #302b63, #24243e);
    color: #e0e0e0;
    min-height: 100vh;
    padding: 20px;
}

.container {
    max-width: 640px;
    margin: 0 auto;
}

header {
    text-align: center;
    padding: 40px 0 30px;
}

.logo {
    font-size: 48px;
    margin-bottom: 12px;
}

h1 {
    font-size: 28px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 8px;
}

.subtitle {
    color: #8b8ba7;
    font-size: 14px;
    letter-spacing: 1px;
}

.card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 24px;
    margin-bottom: 16px;
    backdrop-filter: blur(10px);
}

.card h2 {
    font-size: 18px;
    margin-bottom: 16px;
    color: #fff;
}

.info-grid {
    display: grid;
    gap: 12px;
}

.info-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.info-item:last-child { border-bottom: none; }

.label {
    color: #8b8ba7;
    font-size: 14px;
}

.value {
    font-size: 14px;
    font-weight: 500;
}

.status-ok {
    color: #4ade80;
}

.comparison {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.col {
    padding: 16px;
    border-radius: 12px;
}

.col.old {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.col.new {
    background: rgba(74, 222, 128, 0.1);
    border: 1px solid rgba(74, 222, 128, 0.2);
}

.col h3 {
    font-size: 14px;
    margin-bottom: 12px;
    color: #fff;
}

.col ul {
    list-style: none;
    font-size: 13px;
    line-height: 1.8;
}

.status-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 0;
    font-size: 14px;
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #666;
    flex-shrink: 0;
}

.dot-green { background: #4ade80; box-shadow: 0 0 6px #4ade80; }
.dot-red { background: #ef4444; box-shadow: 0 0 6px #ef4444; }
.dot-yellow { background: #facc15; box-shadow: 0 0 6px #facc15; }

.tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tag {
    background: rgba(99, 102, 241, 0.2);
    border: 1px solid rgba(99, 102, 241, 0.3);
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 13px;
    color: #a5b4fc;
}

footer {
    text-align: center;
    padding: 30px 0;
    color: #6b6b80;
    font-size: 13px;
}

.footer-sub {
    margin-top: 4px;
    font-size: 12px;
    color: #4a4a5a;
}

@media (max-width: 480px) {
    .comparison { grid-template-columns: 1fr; }
    h1 { font-size: 24px; }
}