:root {
  --bg: #071018;
  --bg-elevated: #0e1a24;
  --ink: #e8f1f4;
  --muted: #8aa0ad;
  --line: rgba(232, 241, 244, 0.12);
  --accent: #7cffb2;
  --accent-ink: #042016;
  --danger: #ff6b6b;
  --online: #3dff9a;
  --offline: #ff5d6c;
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
  --radius: 28px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  min-height: 100vh;
  font-family: "Segoe UI", "Noto Sans TC", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(1200px 500px at 10% -10%, rgba(124, 255, 178, 0.16), transparent 55%),
    radial-gradient(900px 420px at 100% 0%, rgba(86, 180, 255, 0.14), transparent 50%),
    var(--bg);
}

.shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px 16px 32px;
}

.card {
  width: min(480px, 100%);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.04), transparent 28%), var(--bg-elevated);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 28px 22px 24px;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--accent);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-size: 0.72rem;
}

h1 {
  margin: 0;
  font-size: 1.7rem;
  line-height: 1.2;
}

.lede {
  color: var(--muted);
  margin: 10px 0 22px;
}

.header {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: flex-start;
  margin-bottom: 22px;
}

.meta {
  margin: 0 0 20px;
  display: grid;
  gap: 10px;
}

.meta div {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.03);
}

dt {
  color: var(--muted);
  font-size: 0.82rem;
}

dd {
  margin: 0;
  font-weight: 600;
  letter-spacing: 0.02em;
}

form {
  display: grid;
  gap: 14px;
}

label {
  display: grid;
  gap: 8px;
  color: var(--muted);
  font-size: 0.92rem;
}

input {
  width: 100%;
  border: 1px solid var(--line);
  background: #08141c;
  color: var(--ink);
  border-radius: 14px;
  padding: 14px 14px;
  font-size: 1rem;
}

input:focus {
  outline: 2px solid rgba(124, 255, 178, 0.55);
  border-color: transparent;
}

button {
  width: 100%;
  border: 0;
  border-radius: 16px;
  padding: 16px 16px;
  font-size: 1.02rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  background: var(--accent);
  color: var(--accent-ink);
  cursor: pointer;
}

button:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.ghost {
  width: auto;
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--line);
  padding: 10px 14px;
  font-weight: 600;
}

.status {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
  padding: 14px 16px;
  border-radius: 16px;
  border: 1px solid var(--line);
  font-weight: 700;
}

.status #status-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--muted);
  box-shadow: 0 0 0 6px rgba(138, 160, 173, 0.12);
}

.status.online #status-dot {
  background: var(--online);
  box-shadow: 0 0 0 6px rgba(61, 255, 154, 0.16);
}

.status.offline #status-dot {
  background: var(--offline);
  box-shadow: 0 0 0 6px rgba(255, 93, 108, 0.16);
}

#wake-button {
  font-size: 1.12rem;
}

.message {
  min-height: 1.4em;
  margin: 12px 0 0;
  color: var(--muted);
}

.message.error {
  color: var(--danger);
}

.message.ok {
  color: var(--accent);
}

[hidden] {
  display: none !important;
}

@media (min-width: 640px) {
  .card {
    padding: 36px 32px 28px;
  }
}