:root {
  --bg: #0d1117;
  --panel: #161b22;
  --panel-2: #1c2430;
  --border: #2a3441;
  --text: #e6edf3;
  --muted: #8b98a5;
  --accent: #3b82f6;
  --accent-2: #2563eb;
  --green: #22c55e;
  --red: #ef4444;
  --amber: #f59e0b;
  --radius: 10px;
  font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; }
body { background: var(--bg); color: var(--text); font-size: 14px; }
.hidden { display: none !important; }
.muted { color: var(--muted); }
.spacer { flex: 1; }

button {
  background: var(--accent); color: #fff; border: none; border-radius: 8px;
  padding: 8px 14px; font-size: 13px; cursor: pointer; transition: background .15s;
}
button:hover { background: var(--accent-2); }
button.ghost { background: transparent; color: var(--muted); border: 1px solid var(--border); }
button.ghost:hover { background: var(--panel-2); color: var(--text); }
button.danger { background: var(--red); }
button.danger:hover { background: #dc2626; }
input, select {
  background: var(--panel-2); color: var(--text); border: 1px solid var(--border);
  border-radius: 8px; padding: 8px 10px; font-size: 13px; outline: none;
}
input:focus, select:focus { border-color: var(--accent); }
.error { color: var(--red); font-size: 13px; min-height: 18px; }

/* Login */
.login-screen { display: flex; align-items: center; justify-content: center; height: 100vh; }
.login-card { background: var(--panel); border: 1px solid var(--border); border-radius: 14px;
  padding: 32px; width: 320px; display: flex; flex-direction: column; gap: 12px; }
.brand { font-weight: 800; font-size: 22px; letter-spacing: .5px; }

/* Layout */
.app { display: grid; grid-template-columns: 300px 1fr; height: 100vh; }
.sidebar { background: var(--panel); border-right: 1px solid var(--border); display: flex; flex-direction: column; }
.sidebar-head { display: flex; align-items: center; justify-content: space-between; padding: 16px; border-bottom: 1px solid var(--border); }
.search { margin: 12px; }
.search.inline { margin: 0 0 0 8px; }
.machine-list { flex: 1; overflow-y: auto; padding: 0 8px; }
.sidebar-foot { padding: 12px 16px; border-top: 1px solid var(--border); display: flex; align-items: center; gap: 8px; font-size: 12px; }

.machine {
  padding: 10px 12px; border-radius: var(--radius); cursor: pointer; margin-bottom: 4px;
  display: flex; align-items: center; gap: 10px; border: 1px solid transparent;
}
.machine:hover { background: var(--panel-2); }
.machine.selected { background: var(--panel-2); border-color: var(--accent); }
.machine .name { font-weight: 600; }
.machine .meta { font-size: 12px; color: var(--muted); }

.dot { width: 9px; height: 9px; border-radius: 50%; display: inline-block; flex: none; }
.dot.online { background: var(--green); box-shadow: 0 0 6px var(--green); }
.dot.offline { background: #4b5563; }

/* Content */
.content { overflow: hidden; display: flex; flex-direction: column; }
.empty { margin: auto; color: var(--muted); }
.detail { display: flex; flex-direction: column; height: 100%; }
.detail-head { display: flex; justify-content: space-between; align-items: flex-start; padding: 20px 24px; border-bottom: 1px solid var(--border); }
.detail-head h1 { margin: 0 0 4px; font-size: 20px; }
.sub { font-size: 13px; }
.detail-actions { display: flex; align-items: center; gap: 10px; }
.status-badge { display: flex; align-items: center; gap: 8px; background: var(--panel); border: 1px solid var(--border); padding: 6px 12px; border-radius: 20px; }

.tabs { display: flex; gap: 4px; padding: 8px 16px 0; border-bottom: 1px solid var(--border); overflow-x: auto; }
.tab { background: transparent; color: var(--muted); border: none; border-bottom: 2px solid transparent; border-radius: 0; padding: 10px 14px; }
.tab:hover { color: var(--text); background: transparent; }
.tab.active { color: var(--text); border-bottom-color: var(--accent); }

.tab-body { flex: 1; overflow: auto; padding: 20px 24px; }
.toolbar { display: flex; gap: 8px; align-items: center; margin-bottom: 12px; }

/* Info cards */
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 12px; }
.card { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 14px 16px; }
.card h3 { margin: 0 0 8px; font-size: 12px; text-transform: uppercase; letter-spacing: .5px; color: var(--muted); }
.kv { display: flex; justify-content: space-between; padding: 3px 0; gap: 12px; }
.kv span:last-child { color: var(--muted); text-align: right; word-break: break-word; }
.bar { height: 6px; background: var(--panel-2); border-radius: 4px; overflow: hidden; margin-top: 6px; }
.bar > i { display: block; height: 100%; background: var(--accent); }

/* Console */
.console-bar { display: flex; gap: 8px; margin-bottom: 12px; }
.console-bar #cmd { flex: 1; font-family: ui-monospace, Consolas, monospace; }
.console-out {
  background: #0a0e14; border: 1px solid var(--border); border-radius: var(--radius);
  padding: 14px; height: calc(100vh - 320px); overflow: auto; white-space: pre-wrap;
  font-family: ui-monospace, Consolas, monospace; font-size: 13px; line-height: 1.5; margin: 0;
}
.console-out .err { color: var(--red); }
.console-out .sys { color: var(--amber); }

/* Grids */
.grid { width: 100%; border-collapse: collapse; }
.grid th, .grid td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--border); font-size: 13px; }
.grid th { color: var(--muted); font-weight: 600; position: sticky; top: 0; background: var(--bg); }
.grid tr:hover td { background: var(--panel); }
.grid .name-cell { display: flex; align-items: center; gap: 8px; cursor: pointer; }
.grid .icon { opacity: .8; }

/* Files */
.files-bar { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; }
.files-bar .path { flex: 0 1 auto; font-family: ui-monospace, monospace; }
.upload-btn { background: transparent; color: var(--muted); border: 1px solid var(--border); border-radius: 8px; padding: 8px 14px; cursor: pointer; font-size: 13px; }

/* Screenshots */
.shots { display: flex; flex-direction: column; gap: 16px; }
.shots img { max-width: 100%; border: 1px solid var(--border); border-radius: var(--radius); }

.power-actions { display: flex; gap: 12px; margin-top: 16px; }

.pill { padding: 2px 8px; border-radius: 12px; font-size: 12px; }
.pill.running { background: rgba(34,197,94,.15); color: var(--green); }
.pill.stopped { background: rgba(107,114,128,.2); color: var(--muted); }