:root {
    --bg: #0f1115;
    --panel: #171a21;
    --border: #2a2e38;
    --text: #e6e8eb;
    --muted: #8b92a1;
    --accent: #f0b90b; /* amarelo BSC/Binance */
    --danger: #e5484d;
    --success: #30a46c;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

.container {
    max-width: 960px;
    margin: 0 auto;
    padding: 24px 16px;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 24px;
    background: var(--panel);
    border-bottom: 1px solid var(--border);
}

.navbar a { color: var(--text); text-decoration: none; margin-left: 16px; }
.navbar a:hover { color: var(--accent); }
.navbar .brand { font-weight: 700; color: var(--accent); font-size: 18px; }

.card {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 20px;
    margin-bottom: 16px;
}

h1, h2, h3 { color: var(--text); }

.muted { color: var(--muted); font-size: 13px; }

label { display: block; margin-bottom: 6px; font-size: 14px; color: var(--muted); }

input[type=text], input[type=email], input[type=password], input[type=number] {
    width: 100%;
    padding: 10px 12px;
    border-radius: 8px;
    border: 1px solid var(--border);
    background: #0c0e12;
    color: var(--text);
    margin-bottom: 14px;
    font-size: 14px;
}

button, .btn {
    display: inline-block;
    background: var(--accent);
    color: #111;
    border: none;
    padding: 10px 18px;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    font-size: 14px;
}

button.secondary, .btn.secondary {
    background: transparent;
    color: var(--text);
    border: 1px solid var(--border);
}

button.danger, .btn.danger { background: var(--danger); color: #fff; }

.alert-box {
    padding: 12px 14px;
    border-radius: 8px;
    margin-bottom: 16px;
    font-size: 14px;
}
.alert-box.error { background: rgba(229,72,77,0.15); border: 1px solid var(--danger); color: #ff9a9d; }
.alert-box.success { background: rgba(48,164,108,0.15); border: 1px solid var(--success); color: #7ee2b8; }

table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { padding: 10px; border-bottom: 1px solid var(--border); text-align: left; }
th { color: var(--muted); font-weight: 600; }

.tag { padding: 2px 8px; border-radius: 6px; font-size: 12px; font-weight: 600; }
.tag.ok { background: rgba(48,164,108,0.2); color: var(--success); }
.tag.danger { background: rgba(229,72,77,0.2); color: var(--danger); }
.tag.unknown { background: rgba(139,146,161,0.2); color: var(--muted); }

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

.empty-state { text-align: center; padding: 40px 20px; color: var(--muted); }