:root {
    --bg: #1a1a2e;
    --card-bg: #16213e;
    --border: #0f3460;
    --text: #eaeaea;
    --muted: #aaaaaa;
    --accent: #00d4ff;
    --row-border: #0f346044;
}

[data-theme="light"] {
    --bg: #f0f4f8;
    --card-bg: #ffffff;
    --border: #c0d0e0;
    --text: #1a1a2e;
    --muted: #666666;
    --accent: #0077aa;
    --row-border: #dde6ee;
}

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

body {
    background-color: var(--bg);
    color: var(--text);
    font-family: 'Segoe UI', sans-serif;
    min-height: 100vh;
    padding: 40px 20px;
    transition: background 0.3s, color 0.3s;
}

.top-bar {
    display: flex;
    justify-content: flex-end;
    flex-wrap: wrap;
    gap: 8px;
    max-width: 600px;
    margin: 0 auto 20px auto;
    align-items: center;
}

.badge {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 6px 14px;
    font-size: 0.85em;
    color: var(--muted);
}

.badge span { color: var(--accent); font-weight: bold; }

.theme-btn {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 6px 14px;
    font-size: 0.85em;
    color: var(--text);
    cursor: pointer;
    transition: background 0.2s;
}

.theme-btn:hover { background: var(--border); }

h1 {
    text-align: center;
    font-size: 2.5em;
    color: var(--accent);
    text-shadow: 0 0 20px #00d4ff44;
    margin-bottom: 10px;
}

.subtitle {
    text-align: center;
    color: var(--muted);
    margin-bottom: 40px;
}

.card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 24px;
    max-width: 600px;
    margin: 0 auto 24px auto;
    transition: background 0.3s, border 0.3s;
}

.card h2 {
    color: var(--accent);
    margin-bottom: 16px;
    font-size: 1.2em;
    border-bottom: 1px solid var(--border);
    padding-bottom: 10px;
}

.status-row {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.1em;
    margin-bottom: 12px;
}

.dot {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: #555;
    flex-shrink: 0;
}

.dot.online { background: #00ff88; box-shadow: 0 0 8px #00ff88; }
.dot.offline { background: #ff4444; box-shadow: 0 0 8px #ff4444; }

.info-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 0;
    border-bottom: 1px solid var(--row-border);
    font-size: 0.95em;
}

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

.info-label { color: var(--muted); }
.info-value { color: var(--text); font-weight: bold; }

.ip-row {
    display: flex;
    align-items: center;
    gap: 8px;
}

.copy-btn {
    background: var(--accent);
    color: #1a1a2e;
    border: none;
    border-radius: 6px;
    padding: 3px 10px;
    font-size: 0.8em;
    font-weight: bold;
    cursor: pointer;
    transition: opacity 0.2s, background 0.2s;
    white-space: nowrap;
}

.copy-btn:hover { opacity: 0.8; }
.copy-btn.copied { background: #00ff88; }

.loading { color: var(--muted); font-size: 0.9em; }

.link-btn {
    display: inline-block;
    background: #ff0000;
    color: white;
    text-decoration: none;
    padding: 10px 20px;
    border-radius: 8px;
    font-weight: bold;
    transition: background 0.2s;
}

.link-btn:hover { background: #cc0000; }