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

:root {
  --color-bg:         #f5f7fa;
  --color-surface:    #ffffff;
  --color-border:     #dde1e7;
  --color-text:       #1a1d23;
  --color-muted:      #6b7280;
  --color-primary:    #2563eb;
  --color-primary-h:  #1d4ed8;
  --color-danger:     #dc2626;
  --color-danger-h:   #b91c1c;
  --color-warning:    #d97706;
  --color-success:    #16a34a;
  --color-running:    #16a34a;
  --color-stopped:    #6b7280;
  --color-prov:       #2563eb;
  --color-failed:     #dc2626;
  --radius:           6px;
  --shadow:           0 1px 3px rgba(0,0,0,.1);
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-size: 14px;
  line-height: 1.5;
  background: var(--color-bg);
  color: var(--color-text);
}

/* ── Layout ────────────────────────────────────────────────────────────── */
header {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: 0 24px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: var(--shadow);
  position: sticky;
  top: 0;
  z-index: 100;
}

header h1 { font-size: 16px; font-weight: 600; }

.header-right { display: flex; align-items: center; gap: 12px; color: var(--color-muted); }

main { max-width: 960px; margin: 32px auto; padding: 0 24px; }

section.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 24px;
  margin-bottom: 24px;
}

section.card h2 { font-size: 15px; font-weight: 600; margin-bottom: 16px; }

/* ── Buttons ───────────────────────────────────────────────────────────── */
button, .btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: background .15s, opacity .15s;
  white-space: nowrap;
}

.btn-primary    { background: var(--color-primary);  color: #fff; border-color: var(--color-primary); }
.btn-primary:hover   { background: var(--color-primary-h); border-color: var(--color-primary-h); }
.btn-danger     { background: var(--color-danger);   color: #fff; border-color: var(--color-danger); }
.btn-danger:hover    { background: var(--color-danger-h); border-color: var(--color-danger-h); }
.btn-secondary  { background: var(--color-surface);  color: var(--color-text); border-color: var(--color-border); }
.btn-secondary:hover { background: var(--color-bg); }
.btn-sm { padding: 4px 10px; font-size: 12px; }

button:disabled, .btn:disabled { opacity: .45; cursor: not-allowed; }

/* ── Status badges ─────────────────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 2px 8px;
  border-radius: 99px;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .03em;
}

.badge::before { content: ""; display: inline-block; width: 7px; height: 7px; border-radius: 50%; }

.badge-running      { background: #dcfce7; color: var(--color-running);  }
.badge-running::before { background: var(--color-running); }
.badge-stopped      { background: #f3f4f6; color: var(--color-stopped);  }
.badge-stopped::before { background: var(--color-stopped); }
.badge-provisioning { background: #dbeafe; color: var(--color-prov);    }
.badge-provisioning::before { background: var(--color-prov); animation: pulse 1.2s infinite; }
.badge-stopping     { background: #fef3c7; color: var(--color-warning); }
.badge-stopping::before { background: var(--color-warning); animation: pulse 1.2s infinite; }
.badge-destroying   { background: #fef3c7; color: var(--color-warning); }
.badge-destroying::before { background: var(--color-warning); animation: pulse 1.2s infinite; }
.badge-failed       { background: #fee2e2; color: var(--color-failed);  }
.badge-failed::before { background: var(--color-failed); }
.badge-not-started  { background: #f3f4f6; color: var(--color-muted);   }
.badge-not-started::before { background: var(--color-muted); }

@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: .35; } }

/* ── Lab detail grid ───────────────────────────────────────────────────── */
.lab-meta { display: grid; grid-template-columns: max-content 1fr; gap: 6px 16px; margin-bottom: 20px; }
.lab-meta dt { color: var(--color-muted); font-weight: 500; }

/* ── Table ─────────────────────────────────────────────────────────────── */
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th { text-align: left; padding: 8px 12px; background: var(--color-bg); color: var(--color-muted); font-weight: 600; border-bottom: 1px solid var(--color-border); }
td { padding: 9px 12px; border-bottom: 1px solid var(--color-border); vertical-align: middle; }
tr:last-child td { border-bottom: none; }
tr:hover td { background: #f9fafb; }

/* ── Progress ──────────────────────────────────────────────────────────── */
.progress-bar-wrap { background: #e5e7eb; border-radius: 99px; height: 6px; overflow: hidden; margin-top: 12px; }
.progress-bar { height: 100%; background: var(--color-primary); border-radius: 99px; transition: width .4s; }

/* ── Modal ─────────────────────────────────────────────────────────────── */
.modal-backdrop {
  display: none;
  position: fixed; inset: 0;
  background: rgba(0,0,0,.4);
  z-index: 200;
  align-items: center;
  justify-content: center;
}
.modal-backdrop.open { display: flex; }
.modal {
  background: var(--color-surface);
  border-radius: var(--radius);
  box-shadow: 0 8px 32px rgba(0,0,0,.2);
  padding: 28px;
  width: 420px;
  max-width: 95vw;
}
.modal h3 { font-size: 15px; margin-bottom: 10px; }
.modal p  { color: var(--color-muted); margin-bottom: 20px; }
.modal-actions { display: flex; gap: 10px; justify-content: flex-end; }
.modal input[type=text] {
  width: 100%; padding: 7px 10px; border: 1px solid var(--color-border);
  border-radius: var(--radius); font-size: 13px; margin-bottom: 16px;
}

/* ── Spinner ───────────────────────────────────────────────────────────── */
.spinner {
  display: inline-block;
  width: 16px; height: 16px;
  border: 2px solid currentColor;
  border-top-color: transparent;
  border-radius: 50%;
  animation: spin .7s linear infinite;
  vertical-align: middle;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Toast notifications ───────────────────────────────────────────────── */
#toast-container {
  position: fixed; bottom: 24px; right: 24px;
  display: flex; flex-direction: column; gap: 8px;
  z-index: 300;
}
.toast {
  padding: 10px 16px;
  border-radius: var(--radius);
  font-size: 13px;
  box-shadow: var(--shadow);
  animation: slideIn .2s ease;
  max-width: 320px;
}
.toast-success { background: #166534; color: #fff; }
.toast-error   { background: #991b1b; color: #fff; }
.toast-info    { background: #1e40af; color: #fff; }
@keyframes slideIn { from { transform: translateX(40px); opacity: 0; } to { transform: none; opacity: 1; } }

/* ── Misc ──────────────────────────────────────────────────────────────── */
.text-muted { color: var(--color-muted); }
.text-right { text-align: right; }
.mt-8  { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.flex  { display: flex; align-items: center; gap: 8px; }
.gap-8 { gap: 8px; }
#loading { text-align: center; padding: 48px; color: var(--color-muted); }
#error-banner {
  background: #fee2e2; border: 1px solid #fca5a5;
  border-radius: var(--radius); padding: 12px 16px;
  color: var(--color-failed); margin-bottom: 16px;
  display: none;
}