:root {
  color-scheme: light;
  --bg: #f4f6f8;
  --panel: #ffffff;
  --ink: #17202a;
  --muted: #6b7280;
  --line: #d7dde5;
  --accent: #0f766e;
  --accent-strong: #115e59;
  --danger: #b42318;
  --warn: #9a6700;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--ink);
}

button, input, select, textarea {
  font: inherit;
}

button {
  border: 1px solid var(--accent);
  background: var(--accent);
  color: #fff;
  min-height: 38px;
  padding: 0 14px;
  border-radius: 6px;
  cursor: pointer;
}

button:hover { background: var(--accent-strong); }
button:disabled { opacity: .55; cursor: progress; }

.ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--line);
}

.ghost:hover {
  background: #eef2f5;
}

.shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr);
}

.sidebar {
  background: #101820;
  color: #f8fafc;
  padding: 22px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.mark {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 6px;
  background: #ff8a00;
  color: #101820;
  font-weight: 800;
}

.brand span, .session span {
  display: block;
  color: #b7c1ce;
  font-size: 13px;
  margin-top: 2px;
}

nav {
  display: grid;
  gap: 8px;
}

.nav {
  text-align: left;
  background: transparent;
  color: #d8dee8;
  border-color: transparent;
}

.nav.active {
  background: #25313d;
  border-color: #3a4958;
  color: #fff;
}

.session {
  margin-top: auto;
  display: grid;
  gap: 10px;
}

.content {
  min-width: 0;
}

.login-panel {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.login-box, .form-panel {
  width: min(520px, 100%);
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 24px;
}

h1 {
  margin: 0;
  font-size: 28px;
  letter-spacing: 0;
}

.topbar {
  min-height: 88px;
  background: var(--panel);
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 28px;
  gap: 16px;
}

.topbar p, .hint {
  margin: 6px 0 0;
  color: var(--muted);
}

.app-panel {
  min-height: 100vh;
}

.view {
  padding: 28px;
}

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

.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 18px;
  display: grid;
  gap: 14px;
}

.card-head {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 12px;
}

.status {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 0 8px;
  border-radius: 999px;
  background: #e5f6f3;
  color: #075e54;
  font-size: 12px;
  font-weight: 700;
}

.status.stopped, .status.unknown { background: #eef0f3; color: #4b5563; }
.status.error { background: #fdecec; color: var(--danger); }
.status.provisioning { background: #fff7db; color: var(--warn); }

.meta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  color: var(--muted);
  font-size: 14px;
}

.meta strong {
  display: block;
  color: var(--ink);
  font-size: 15px;
  margin-top: 2px;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

label {
  display: grid;
  gap: 7px;
  color: #374151;
  font-weight: 650;
  margin-bottom: 16px;
}

input, select, textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 10px 12px;
  background: #fff;
  color: var(--ink);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.form-grid.two {
  grid-template-columns: repeat(2, 1fr);
}

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

.note {
  margin: 0;
  color: #374151;
  line-height: 1.5;
}

.feedback {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px 14px;
  margin-bottom: 16px;
  font-weight: 650;
}

.feedback.info {
  background: #eff6ff;
  border-color: #bfdbfe;
  color: #1d4ed8;
}

.feedback.success {
  background: #ecfdf5;
  border-color: #a7f3d0;
  color: #047857;
}

.feedback.error {
  background: #fef2f2;
  border-color: #fecaca;
  color: var(--danger);
}

.request-preview {
  width: min(520px, 100%);
  margin-top: 16px;
}

.request-result {
  border-color: #a7f3d0;
}

.key-tools {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin: -4px 0 16px;
}

.key-panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 16px;
  margin-bottom: 16px;
  background: #f8fafc;
}

.key-panel h2 {
  margin: 0;
  font-size: 18px;
}

.key-panel textarea {
  margin-top: 14px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 12px;
}

.table {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
}

.row {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr 1fr;
  gap: 12px;
  padding: 13px 16px;
  border-top: 1px solid var(--line);
}

.row:first-child {
  border-top: 0;
  background: #eef2f5;
  font-weight: 800;
}

.hidden { display: none !important; }

.toast {
  position: fixed;
  right: 20px;
  bottom: 20px;
  max-width: 420px;
  background: #101820;
  color: #fff;
  border-radius: 8px;
  padding: 12px 14px;
  box-shadow: 0 18px 45px rgba(15, 23, 42, .22);
}

@media (max-width: 840px) {
  .shell { grid-template-columns: 1fr; }
  .sidebar { min-height: auto; }
  .form-grid { grid-template-columns: 1fr; }
  .row { grid-template-columns: 1fr 1fr; }
}