:root {
    --bg: #0b0f1a;
    --bg-2: #111827;
    --card: rgba(255,255,255,0.04);
    --border: rgba(255,255,255,0.08);
    --text: #e8ecf3;
    --muted: #9aa4b2;
    --accent: #4ade80;
    --accent-2: #22d3ee;
    --shadow: 0 10px 40px -10px rgba(34, 211, 238, 0.35);
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background: radial-gradient(1200px 600px at 20% -10%, rgba(74,222,128,0.15), transparent 60%),
    radial-gradient(1000px 500px at 90% 10%, rgba(34,211,238,0.18), transparent 60%),
    var(--bg);
    color: var(--text);
    min-height: 100vh;
    line-height: 1.6;
}
.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 32px 24px 64px;
}
header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 48px;
}
.brand {
    display: flex;
    align-items: center;
    gap: 14px;
}
.brand img {
    width: 48px;
    height: 48px;
    border-radius: 10px;
    background: #fff1;
    padding: 4px;
}
.brand h2 {
    margin: 0;
    font-size: 22px;
    letter-spacing: 0.5px;
}
nav {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}
nav a {
    color: var(--muted);
    text-decoration: none;
    padding: 8px 14px;
    border-radius: 8px;
    border: 1px solid var(--border);
    font-size: 14px;
    transition: 0.2s;
}
nav a:hover {
    color: var(--text);
    border-color: var(--accent-2);
    background: rgba(34,211,238,0.08);
}
.hero {
    text-align: center;
    padding: 40px 0 56px;
}
.hero img.logo {
    width: 140px;
    height: 140px;
    border-radius: 24px;
    background: linear-gradient(135deg, rgba(74,222,128,0.15), rgba(34,211,238,0.15));
    padding: 12px;
    box-shadow: var(--shadow);
    margin-bottom: 24px;
}
h1 {
    font-size: clamp(36px, 6vw, 60px);
    margin: 0 0 12px;
    background: linear-gradient(90deg, var(--accent), var(--accent-2));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    letter-spacing: -1px;
}
.tagline {
    color: var(--muted);
    font-size: 18px;
    max-width: 600px;
    margin: 0 auto 32px;
}
.ip-box {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 14px 20px;
    cursor: pointer;
    transition: 0.2s;
    font-family: "SF Mono", Menlo, monospace;
    font-size: 18px;
    user-select: none;
}
.ip-box:hover {
    border-color: var(--accent);
    background: rgba(74,222,128,0.08);
    transform: translateY(-1px);
}
.ip-box .label {
    color: var(--muted);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-family: inherit;
}
.ip-box .ip {
    color: var(--accent);
    font-weight: 600;
}
.copy-icon {
    width: 18px;
    height: 18px;
    opacity: 0.7;
}
.toast {
    position: fixed;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%) translateY(20px);
    background: var(--accent);
    color: #04140a;
    padding: 12px 22px;
    border-radius: 10px;
    font-weight: 600;
    opacity: 0;
    pointer-events: none;
    transition: 0.3s;
}
.toast.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}
.modes {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 20px;
    margin-top: 48px;
}
.mode {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 28px;
    transition: 0.25s;
}
.mode:hover {
    border-color: var(--accent-2);
    transform: translateY(-4px);
}
.mode .emoji { font-size: 32px; margin-bottom: 8px; }
.mode h3 { margin: 0 0 8px; font-size: 22px; }
.mode p { margin: 0; color: var(--muted); font-size: 14px; }
.online {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin-top: 18px;
    padding: 8px 16px;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 999px;
    font-size: 14px;
    color: var(--muted);
}
.online .dot {
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 10px var(--accent);
    animation: pulse 1.8s ease-in-out infinite;
}
.online.offline .dot { background: #ef4444; box-shadow: 0 0 10px #ef4444; animation: none; }
.online strong { color: var(--text); font-weight: 600; }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: 0.4; } }
footer {
    text-align: center;
    color: var(--muted);
    font-size: 13px;
    margin-top: 64px;
    padding-top: 24px;
    border-top: 1px solid var(--border);
}