:root {
    --bg: #0d1117;
    --bg-card: #161b22;
    --bg-elev: #21262d;
    --border: #30363d;
    --text: #c9d1d9;
    --text-muted: #8b949e;
    --accent: #58a6ff;
    --accent-hover: #79b8ff;
    --success: #3fb950;
    --warning: #d29922;
    --danger: #f85149;
    --teal: #39d0d8;
}

* { box-sizing: border-box; }

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
    margin: 0;
    line-height: 1.5;
}

.nav {
    background: var(--bg-card);
    border-bottom: 1px solid var(--border);
}
.nav-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 12px 24px;
    display: flex;
    align-items: center;
    gap: 32px;
}
.brand {
    color: var(--teal);
    text-decoration: none;
    font-weight: 600;
    font-size: 18px;
}
.nav-links {
    list-style: none;
    display: flex;
    gap: 16px;
    margin: 0;
    padding: 0;
    flex: 1;
}
.nav-links a {
    color: var(--text-muted);
    text-decoration: none;
    padding: 6px 10px;
    border-radius: 4px;
    font-size: 14px;
}
.nav-links a:hover { color: var(--text); background: var(--bg-elev); }
.nav-user { display: flex; align-items: center; gap: 12px; color: var(--text-muted); font-size: 14px; }

.container { max-width: 1200px; margin: 0 auto; padding: 24px; }

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}
.page-header h1 { margin: 0; font-size: 24px; }
.count {
    background: var(--bg-elev);
    color: var(--text-muted);
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 14px;
    font-weight: normal;
    margin-left: 8px;
}

.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 24px;
    margin-bottom: 24px;
}
.card-form { max-width: 480px; margin: 80px auto 0; padding: 32px; background: var(--bg-card); border: 1px solid var(--border); border-radius: 8px; }
.card-form h1 { margin-top: 0; }
.success-card { border-color: var(--success); }

h1, h2, h3 { color: var(--text); }
h2 { font-size: 18px; margin: 0 0 16px; }
h3 { font-size: 12px; margin: 24px 0 8px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.6px; }

.muted { color: var(--text-muted); font-size: 14px; }
small { color: var(--text-muted); }

.flash {
    padding: 12px 16px;
    border-radius: 6px;
    margin-bottom: 16px;
    font-size: 14px;
}
.flash-success { background: rgba(63, 185, 80, 0.1); border: 1px solid rgba(63, 185, 80, 0.4); color: var(--success); }
.flash-error   { background: rgba(248, 81, 73, 0.1); border: 1px solid rgba(248, 81, 73, 0.4); color: var(--danger); }

label { display: block; margin-bottom: 16px; }
label > span { display: block; font-size: 13px; color: var(--text-muted); margin-bottom: 4px; }
label > small { display: block; color: var(--text-muted); margin-top: 4px; font-size: 12px; }

input[type=text], input[type=password], select, textarea {
    width: 100%;
    padding: 8px 12px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text);
    font-family: inherit;
    font-size: 14px;
}
input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--accent);
}
textarea { resize: vertical; }

.btn {
    display: inline-block;
    padding: 8px 16px;
    background: var(--bg-elev);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: 6px;
    text-decoration: none;
    cursor: pointer;
    font-size: 14px;
    font-family: inherit;
}
.btn:hover { background: var(--border); }
.btn-primary { background: var(--accent); color: #fff; border-color: var(--accent); }
.btn-primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); }
.btn-sm { padding: 4px 10px; font-size: 12px; }
.btn-block { width: 100%; }

.actions { display: flex; gap: 12px; justify-content: flex-end; margin-top: 24px; }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.grid-2 label.full { grid-column: 1 / -1; }
@media (max-width: 600px) { .grid-2 { grid-template-columns: 1fr; } }

.table { width: 100%; border-collapse: collapse; }
.table th, .table td { padding: 12px 16px; text-align: left; border-bottom: 1px solid var(--border); }
.table th { color: var(--text-muted); font-weight: 500; font-size: 12px; text-transform: uppercase; letter-spacing: 0.6px; }
.table tbody tr:hover { background: rgba(255,255,255,0.02); }
.table tbody tr:last-child td { border-bottom: none; }

.status {
    display: inline-block;
    padding: 2px 10px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 500;
}
.status-online      { background: rgba(63, 185, 80, 0.15); color: var(--success); }
.status-instavel    { background: rgba(210, 153, 34, 0.15); color: var(--warning); }
.status-offline     { background: rgba(248, 81, 73, 0.15); color: var(--danger); }
.status-nunca_visto { background: var(--bg-elev); color: var(--text-muted); }

.code-box {
    position: relative;
    background: #010409;
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 12px 16px;
    margin: 8px 0;
}
.code-box pre {
    margin: 0;
    padding-right: 80px;
    overflow-x: auto;
    font-family: "SF Mono", Monaco, Menlo, "Courier New", monospace;
    font-size: 13px;
    color: var(--teal);
    white-space: pre-wrap;
    word-break: break-all;
}
.code-box button {
    position: absolute;
    top: 8px;
    right: 8px;
}

code {
    font-family: "SF Mono", Monaco, monospace;
    font-size: 12px;
    background: var(--bg);
    padding: 1px 6px;
    border-radius: 3px;
    color: var(--teal);
}

.kv { display: grid; grid-template-columns: max-content 1fr; gap: 6px 16px; margin: 16px 0 24px; }
.kv dt { color: var(--text-muted); font-size: 13px; }
.kv dd { margin: 0; }

.empty-state {
    text-align: center;
    padding: 64px 24px;
    background: var(--bg-card);
    border: 1px dashed var(--border);
    border-radius: 8px;
}
.empty-state p { color: var(--text-muted); margin-bottom: 16px; }

/* v0.4 — host link + badge */
.host-link { color: var(--text); text-decoration: none; border-bottom: 1px dotted transparent; }
.host-link:hover { color: var(--accent); border-bottom-color: var(--accent); }

.badge {
    display: inline-block;
    padding: 2px 10px;
    border-radius: 12px;
    font-size: 12px;
    background: var(--bg-elev);
    color: var(--text-muted);
    text-decoration: none;
    border: 1px solid var(--border);
}
.badge:hover { color: var(--text); border-color: var(--text-muted); }
.badge-info { background: rgba(88, 166, 255, 0.15); color: var(--accent); border-color: rgba(88, 166, 255, 0.4); }
.badge-info:hover { background: rgba(88, 166, 255, 0.25); }