:root {
  --bg0: #0f1412;
  --bg1: #17201c;
  --ink: #e8f0ea;
  --muted: #8fa396;
  --line: rgba(232, 240, 234, 0.12);
  --accent: #b7f35c;
  --accent-ink: #13210a;
  --warn: #f0b45a;
  --danger: #ff7a6e;
  --ok: #6fe3a1;
  --panel: rgba(23, 32, 28, 0.82);
  --shadow: 0 12px 32px rgba(0, 0, 0, 0.28);
  --radius: 10px;
  --font: "Sora", system-ui, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
}

* { box-sizing: border-box; }
html, body {
  margin: 0;
  min-height: 100%;
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg0);
}

.atmosphere {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(900px 500px at 12% -10%, rgba(183, 243, 92, 0.18), transparent 60%),
    radial-gradient(700px 480px at 100% 10%, rgba(80, 140, 120, 0.22), transparent 55%),
    linear-gradient(165deg, #101714 0%, #0c110f 45%, #151c18 100%);
}
.atmosphere::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(232, 240, 234, 0.03) 1px, transparent 1px);
  background-size: 100% 4px;
  opacity: 0.35;
  pointer-events: none;
}

.hidden { display: none !important; }

.brand {
  margin: 0;
  font-size: 0.95rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 700;
}

.gate {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 1.25rem;
  animation: rise 0.45s ease-out both;
}
.gate-panel {
  width: min(380px, 100%);
  padding: 1.25rem 1.35rem 1.1rem;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) + 2px);
  backdrop-filter: blur(14px);
  box-shadow: var(--shadow);
}
.gate h1 {
  margin: 0.45rem 0 0.35rem;
  font-size: clamp(1.25rem, 3.5vw, 1.55rem);
  line-height: 1.2;
  font-weight: 700;
}
.lede {
  margin: 0 0 0.9rem;
  color: var(--muted);
  line-height: 1.4;
  font-size: 0.85rem;
}
label {
  display: block;
  margin-bottom: 0.25rem;
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}
input {
  width: 100%;
  border: 1px solid var(--line);
  background: rgba(0, 0, 0, 0.28);
  color: var(--ink);
  border-radius: 8px;
  padding: 0.55rem 0.7rem;
  font: 500 0.85rem/1.2 var(--mono);
  outline: none;
}
input:focus {
  border-color: rgba(183, 243, 92, 0.55);
  box-shadow: 0 0 0 3px rgba(183, 243, 92, 0.15);
}
button {
  border: 0;
  border-radius: 8px;
  padding: 0.45rem 0.8rem;
  font: 600 0.8rem/1 var(--font);
  cursor: pointer;
  background: var(--accent);
  color: var(--accent-ink);
  transition: transform 0.15s ease, filter 0.15s ease, opacity 0.15s ease;
}
button:hover { filter: brightness(1.05); }
button:active { transform: translateY(1px); }
button:disabled { opacity: 0.45; cursor: wait; }
button.ghost {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--line);
}
button.danger {
  background: transparent;
  color: var(--danger);
  border: 1px solid rgba(255, 122, 110, 0.35);
}
#gate-form button { width: 100%; margin-top: 0.65rem; }
.error { color: var(--danger); margin: 0.55rem 0 0; font-size: 0.8rem; }

.app {
  width: min(920px, calc(100% - 1.5rem));
  margin: 0 auto;
  padding: 0.65rem 0 2rem;
  animation: rise 0.4s ease-out both;
}

.top {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  justify-content: space-between;
  gap: 0.65rem;
  align-items: center;
  margin-bottom: 0.55rem;
  padding: 0.4rem 0 0.5rem;
  background: linear-gradient(180deg, rgba(15, 20, 18, 0.96) 55%, rgba(15, 20, 18, 0));
  backdrop-filter: blur(8px);
}
.brand-row {
  display: flex;
  align-items: center;
  gap: 0.45rem;
}
.brand-mark {
  display: block;
  border-radius: 6px;
  flex-shrink: 0;
}
.sub {
  margin: 0.15rem 0 0;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.72rem;
}
.top-actions { display: flex; gap: 0.35rem; align-items: center; }

.tabs {
  display: flex;
  gap: 0.3rem;
  margin-bottom: 0.55rem;
}
.tab {
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0.35rem 0.7rem;
  font-size: 0.75rem;
}
.tab.active {
  background: var(--accent);
  color: var(--accent-ink);
  border-color: transparent;
}

.section-head { margin-bottom: 0.4rem; }
.section-title {
  margin: 0;
  font-size: 0.92rem;
  font-weight: 600;
}
.hint.tight { margin-top: 0.2rem; }

.nodes-main { margin-bottom: 0.75rem; }

.compose {
  margin-bottom: 0.75rem;
  padding: 0.7rem 0.85rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.02);
}
.compose h2 {
  margin: 0;
  font-size: 0.92rem;
}
.create-drawer {
  padding: 0;
  overflow: hidden;
}
.create-drawer > summary {
  list-style: none;
  cursor: pointer;
  padding: 0.65rem 0.85rem;
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}
.create-drawer > summary::-webkit-details-marker { display: none; }
.create-drawer > summary::after {
  content: "展开";
  position: absolute;
  right: 0.85rem;
  top: 0.75rem;
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}
.create-drawer { position: relative; }
.create-drawer[open] > summary::after { content: "收起"; }
.summary-title {
  font-weight: 600;
  font-size: 0.88rem;
  padding-right: 2.5rem;
}
.summary-sub {
  color: var(--muted);
  font-size: 0.72rem;
}
.compose-body {
  padding: 0 0.85rem 0.85rem;
  border-top: 1px solid var(--line);
  padding-top: 0.65rem;
}
.lede.compact {
  margin: 0.25rem 0 0.55rem;
  font-size: 0.78rem;
}
.inline-form {
  display: grid;
  grid-template-columns: 1.2fr 1fr auto;
  gap: 0.4rem;
}
.stack-form {
  display: grid;
  gap: 0.4rem;
}
.panel.hidden { display: none !important; }

.summary {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.45rem;
  margin-bottom: 0.65rem;
}
.summary > div {
  padding: 0.55rem 0.75rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.02);
}
.summary-num {
  display: block;
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.15;
}
.summary-num.running { color: var(--ok); }
.summary-label {
  color: var(--muted);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.vm-list { display: grid; gap: 0.45rem; }
.vm {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  backdrop-filter: blur(10px);
  overflow: hidden;
  animation: rise 0.35s ease-out both;
}
.vm-head {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.55rem;
  padding: 0.55rem 0.75rem;
  align-items: center;
}
.vm-name {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 600;
}
.vm-meta {
  margin: 0.2rem 0 0;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.7rem;
  line-height: 1.35;
}
.vm-path {
  margin: 0.15rem 0 0;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.65rem;
  word-break: break-all;
}
.hint {
  margin: 0.2rem 0 0.35rem;
  color: var(--muted);
  font-size: 0.72rem;
  line-height: 1.35;
}
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.4rem;
}
select {
  width: 100%;
  border: 1px solid var(--line);
  background: rgba(0, 0, 0, 0.28);
  color: var(--ink);
  border-radius: 8px;
  padding: 0.55rem 0.7rem;
  font: 500 0.82rem/1.2 var(--font);
  outline: none;
}
select:focus {
  border-color: rgba(183, 243, 92, 0.55);
  box-shadow: 0 0 0 3px rgba(183, 243, 92, 0.15);
}
.status {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.7rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--muted);
}
.status::before {
  content: "";
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 50%;
  background: var(--muted);
}
.status.on { color: var(--ok); }
.status.on::before {
  background: var(--ok);
  box-shadow: 0 0 0 0 rgba(111, 227, 161, 0.6);
  animation: pulse 1.8s ease-out infinite;
}

.vm-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
  justify-content: flex-end;
}
.vm-actions button { padding: 0.35rem 0.55rem; font-size: 0.72rem; }

.vm-body {
  border-top: 1px solid var(--line);
  padding: 0.55rem 0.75rem 0.7rem;
  background: rgba(0, 0, 0, 0.18);
}
.snap-title {
  margin: 0 0 0.4rem;
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}
.snap-list { display: grid; gap: 0.3rem; }
.snap-row {
  display: flex;
  justify-content: space-between;
  gap: 0.5rem;
  align-items: center;
  padding: 0.35rem 0.5rem;
  border-radius: 8px;
  border: 1px solid var(--line);
}
.snap-row span {
  font-family: var(--mono);
  font-size: 0.72rem;
}
.snap-row .row-actions { display: flex; gap: 0.25rem; }

.empty {
  margin: 1rem 0 0;
  color: var(--muted);
  text-align: center;
  font-size: 0.85rem;
}

.toast {
  position: fixed;
  left: 50%;
  bottom: 0.9rem;
  transform: translateX(-50%);
  max-width: min(520px, calc(100% - 1.5rem));
  padding: 0.55rem 0.9rem;
  border-radius: 8px;
  background: #1c2922;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  font-size: 0.8rem;
  z-index: 20;
}

dialog {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg1);
  color: var(--ink);
  padding: 0.9rem;
  width: min(380px, calc(100% - 1.5rem));
  box-shadow: var(--shadow);
}
dialog::backdrop { background: rgba(5, 8, 7, 0.62); }
dialog h2 { margin: 0 0 0.25rem; font-size: 1rem; }
.dialog-vm {
  margin: 0 0 0.65rem;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.72rem;
}
.dialog-actions {
  display: flex;
  gap: 0.35rem;
  margin-top: 0.65rem;
}

@keyframes rise {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: none; }
}
@keyframes pulse {
  70% { box-shadow: 0 0 0 10px rgba(111, 227, 161, 0); }
  100% { box-shadow: 0 0 0 0 rgba(111, 227, 161, 0); }
}

@media (max-width: 720px) {
  .vm-head { grid-template-columns: 1fr; }
  .vm-actions { justify-content: flex-start; }
  .top { flex-direction: column; align-items: flex-start; }
  .inline-form { grid-template-columns: 1fr; }
  .grid-3 { grid-template-columns: 1fr; }
}