:root {
  --bg: #0f1115;
  --bg-elev: #171a21;
  --bg-elev-2: #1f232c;
  --border: #2a2f3a;
  --text: #e5e8ef;
  --text-dim: #9aa2b1;
  --accent: #6aa9ff;
  --accent-strong: #3c82f6;
  --success: #35c27b;
  --warn: #e4a94b;
  --danger: #e56466;
  --radius: 8px;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.45 var(--font);
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.topbar {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 12px 24px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-elev);
}
.topbar .brand { font-weight: 700; letter-spacing: .2px; }
.topbar nav { display: flex; gap: 16px; flex: 1; }
.topbar nav a { color: var(--text-dim); }
.topbar nav a:hover { color: var(--text); text-decoration: none; }
.topbar .session { display: flex; align-items: center; gap: 12px; }
.topbar .heartbeat { color: var(--text-dim); font-family: var(--mono); font-size: 12px; }
.topbar .logout-form { margin: 0; }

main { max-width: 1280px; margin: 0 auto; padding: 24px; }

button, .button, .button-secondary {
  appearance: none;
  font: inherit;
  padding: 8px 14px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg-elev-2);
  color: var(--text);
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
}
button:hover, .button:hover { border-color: var(--accent); }
button:disabled { opacity: .5; cursor: not-allowed; }
button.danger { border-color: var(--danger); color: var(--danger); background: transparent; }
button.danger:hover { background: rgba(229,100,102,.1); }
.button-secondary { background: transparent; }

.error {
  background: rgba(229,100,102,.12);
  border: 1px solid var(--danger);
  color: var(--danger);
  padding: 10px 14px;
  border-radius: var(--radius);
  margin-bottom: 16px;
}

.dashboard-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}
.dashboard-header h1 { font-size: 20px; margin: 0; }

.empty {
  text-align: center;
  padding: 48px 24px;
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  color: var(--text-dim);
}
.empty .button { margin-top: 12px; }

.tile-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 16px;
}

.tile {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.tile-head { display: flex; justify-content: space-between; align-items: center; }
.tile-name { font-weight: 600; }
.tile-status { font-size: 12px; color: var(--text-dim); text-transform: uppercase; letter-spacing: .5px; }
.tile-idle .tile-status { color: var(--text-dim); }

.tile-meta { display: grid; grid-template-columns: 1fr 1fr; gap: 4px 16px; margin: 0; font-size: 13px; }
.tile-meta div { display: flex; justify-content: space-between; align-items: baseline; }
.tile-meta dt { color: var(--text-dim); }
.tile-meta dd { margin: 0; font-family: var(--mono); }

.tile-actions { display: flex; gap: 8px; }
.tile-actions .inline { margin: 0; flex: 0; }

.tile-meta dd.bad { color: var(--danger); }

.tile-hold {
  background: rgba(229,100,102,.08);
  border: 1px solid rgba(229,100,102,.35);
  border-radius: var(--radius);
  padding: 8px 10px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.tile-hold .hold-title {
  font-size: 12px;
  color: var(--danger);
  text-transform: uppercase;
  letter-spacing: .5px;
}
.tile-hold .hold-ssh {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text);
  word-break: break-all;
  user-select: all;
}

.tile-log {
  background: #0b0d12;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 8px 10px;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text-dim);
  max-height: 160px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.tile-log:empty { display: none; }
.tile-log .log-line { white-space: pre-wrap; }
.tile-log .log-warn { color: var(--warn); }
.tile-log .log-error { color: var(--danger); }

.tile-fail { border-color: rgba(229,100,102,.6); }
.tile-pass { border-color: rgba(53,194,123,.5); }
.tile-active { border-color: var(--accent); }

.form-wrap { max-width: 640px; }
.form-wrap h1 { font-size: 20px; }

.host-form { display: flex; flex-direction: column; gap: 14px; }
.host-form label { display: flex; flex-direction: column; gap: 4px; color: var(--text-dim); font-size: 13px; }
.host-form input,
.host-form textarea {
  font: inherit;
  font-family: var(--mono);
  color: var(--text);
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 8px 10px;
}
.host-form textarea { resize: vertical; min-height: 96px; }
.host-form .grid-2 { display: grid; grid-template-columns: 2fr 1fr; gap: 14px; }
.host-form .actions { display: flex; gap: 10px; margin-top: 4px; }

.login-card {
  max-width: 360px;
  margin: 12vh auto;
  padding: 28px;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.login-card h1 { margin: 0 0 16px; font-size: 22px; }
.login-card label { display: flex; flex-direction: column; gap: 4px; color: var(--text-dim); font-size: 13px; }
.login-card input {
  font: inherit;
  color: var(--text);
  background: var(--bg-elev-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 10px;
  margin-bottom: 12px;
}
.login-card button { width: 100%; background: var(--accent-strong); border-color: var(--accent-strong); color: #fff; }
.login-card button:hover { background: var(--accent); border-color: var(--accent); }

body.bare main { max-width: none; }