:root {
  --ink: #0b0d13;
  --ink-2: #11141d;
  --panel: rgba(255, 255, 255, 0.045);
  --panel-2: rgba(255, 255, 255, 0.07);
  --line: rgba(255, 255, 255, 0.11);
  --text: rgba(255, 255, 255, 0.93);
  --muted: rgba(255, 255, 255, 0.56);
  --brand: #fe2c55;
  --brand-soft: rgba(254, 44, 85, 0.16);
  --ok: #35c46a;
  --warn: #e6b23c;
  color-scheme: dark;
}

@media (prefers-color-scheme: light) {
  :root {
    --ink: #f6f7f9;
    --ink-2: #ffffff;
    --panel: rgba(0, 0, 0, 0.035);
    --panel-2: rgba(0, 0, 0, 0.06);
    --line: rgba(0, 0, 0, 0.12);
    --text: rgba(0, 0, 0, 0.9);
    --muted: rgba(0, 0, 0, 0.55);
    color-scheme: light;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  min-height: 100vh;
  background: var(--ink);
  color: var(--text);
  font: 16px/1.7 -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
        "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  -webkit-font-smoothing: antialiased;
}

.scene {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(680px circle at 82% -4%, rgba(254, 44, 85, 0.16), transparent 62%),
    radial-gradient(560px circle at 6% 42%, rgba(84, 118, 255, 0.14), transparent 66%),
    linear-gradient(170deg, var(--ink), var(--ink-2));
}

.topbar, main, .footer { position: relative; z-index: 1; }

.topbar {
  position: sticky;
  top: 0;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px max(16px, env(safe-area-inset-left)) 14px max(16px, env(safe-area-inset-right));
  background: color-mix(in srgb, var(--ink) 78%, transparent);
  -webkit-backdrop-filter: blur(20px) saturate(160%);
  backdrop-filter: blur(20px) saturate(160%);
  border-bottom: 1px solid var(--line);
}

.brand { display: flex; align-items: center; gap: 9px; color: inherit; text-decoration: none; }

.mark {
  width: 30px; height: 30px;
  flex: none;
  border-radius: 10px;
  display: grid;
  place-items: center;
  font-size: 14px;
  font-weight: 700;
  color: #fff;
  background: linear-gradient(145deg, #fe2c55, #ff6b81);
  box-shadow: 0 6px 18px rgba(254, 44, 85, 0.3);
}

.brand-name { font-weight: 650; letter-spacing: -0.01em; }
.spacer { flex: 1; }
.account { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--muted); }

main {
  max-width: 64rem;
  margin: 0 auto;
  padding: 3rem 16px 4rem;
}

.hero { max-width: 46rem; }
.hero h1 {
  margin: 0 0 1rem;
  font-size: clamp(1.85rem, 5vw, 2.9rem);
  line-height: 1.25;
  letter-spacing: -0.02em;
}
.lede { margin: 0 0 1.5rem; color: var(--muted); font-size: 1rem; }
.lede strong { color: var(--text); font-weight: 600; }
.cta { display: flex; flex-wrap: wrap; gap: 10px; }
.note { margin: 1rem 0 0; font-size: 13px; color: var(--muted); }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 17rem), 1fr));
  gap: 12px;
  margin: 2.5rem 0 0;
}

.card, .panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 18px;
}
.card h2 { display: flex; align-items: center; gap: 8px; margin: 0 0 8px; font-size: 15px; }
.card p { margin: 0 0 6px; font-size: 14px; }
.card .muted { font-size: 13px; }

.dot { width: 8px; height: 8px; border-radius: 50%; flex: none; }
.dot.ok { background: var(--ok); }
.dot.warn { background: var(--warn); }
.dot.brand { background: var(--brand); }

.muted { color: var(--muted); }

.console { margin-top: 3rem; }
.console-head { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.console-head h2 { margin: 0; font-size: 1.2rem; }
.console-actions { margin-left: auto; display: flex; gap: 8px; }

.tiles {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 12rem), 1fr));
  gap: 10px;
  margin-bottom: 12px;
}
.tile {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.tile-label { font-size: 12px; color: var(--muted); }
.tile strong { font-size: 15px; font-weight: 600; }

.panel { margin-bottom: 12px; }
.panel h3 { margin: 0 0 8px; font-size: 15px; }
.panel p { margin: 0 0 10px; font-size: 14px; }
.panel a { color: var(--brand); }

.field-row { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 8px; }
.field-row input { flex: 1 1 16rem; }

input, textarea {
  padding: 10px 12px;
  border-radius: 11px;
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--ink-2) 60%, transparent);
  color: var(--text);
  font: inherit;
  font-size: 14px;
  min-width: 0;
}
input:focus { outline: 2px solid var(--brand-soft); outline-offset: 1px; border-color: var(--brand); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 16px;
  border-radius: 11px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--text);
  font: inherit;
  font-size: 14px;
  font-weight: 550;
  text-decoration: none;
  cursor: pointer;
  white-space: nowrap;
}
.btn:hover { background: var(--panel-2); }
.btn.primary { background: var(--brand); border-color: var(--brand); color: #fff; }
.btn.primary:hover { filter: brightness(1.07); }
.btn.ghost { border-color: transparent; color: var(--muted); }
.btn.small { padding: 6px 11px; font-size: 12.5px; border-radius: 9px; }
.btn:disabled { opacity: 0.45; cursor: default; }

.steps { margin: 0; padding-left: 1.15rem; font-size: 14px; color: var(--muted); }
.steps li { margin-bottom: 4px; }
code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.875em;
  padding: 0.1em 0.35em;
  border-radius: 5px;
  background: var(--panel-2);
}

.output {
  margin: 10px 0 0;
  padding: 12px;
  max-height: 22rem;
  overflow: auto;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--ink-2) 70%, transparent);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 12.5px;
  line-height: 1.6;
  white-space: pre-wrap;
  word-break: break-word;
}

.activity { list-style: none; margin: 0 0 10px; padding: 0; font-size: 14px; }
.activity li {
  display: flex;
  gap: 10px;
  padding: 7px 0;
  border-bottom: 1px solid var(--line);
}
.activity li:last-child { border-bottom: 0; }
.activity time { flex: none; color: var(--muted); font-size: 12px; min-width: 8.5rem; }
.activity .kind {
  flex: none;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 12px;
  color: var(--brand);
  min-width: 8.5rem;
}

.message { min-height: 20px; margin: 6px 0 0; font-size: 13px; color: var(--muted); }
.message[data-kind="error"] { color: #ff6b6b; }
.message[data-kind="ok"] { color: var(--ok); }

.footer {
  max-width: 64rem;
  margin: 0 auto;
  padding: 20px 16px 40px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: space-between;
  font-size: 12.5px;
  color: var(--muted);
  border-top: 1px solid var(--line);
}

@media (max-width: 520px) {
  main { padding-top: 2rem; }
  .activity li { flex-wrap: wrap; gap: 2px; }
  .activity time, .activity .kind { min-width: 0; }
}