:root {
  color-scheme: dark;
  --bg: #171221;
  --panel: rgba(45, 34, 65, .88);
  --panel-border: rgba(255, 255, 255, .09);
  --text: #f8f4ff;
  --muted: #b8aacb;
  --accent: #a989ff;
  --accent-strong: #7f5be0;
  --ok: #67d7ad;
  --danger: #ff6f91;
  --shadow: 0 16px 42px rgba(0, 0, 0, .28);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  padding: max(18px, env(safe-area-inset-top)) 16px max(28px, env(safe-area-inset-bottom));
  background:
    radial-gradient(circle at 85% 0%, rgba(141, 92, 226, .36), transparent 34%),
    radial-gradient(circle at 0% 34%, rgba(228, 104, 172, .16), transparent 36%),
    var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
}

main { width: min(100%, 480px); margin: 0 auto; }

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin: 4px 2px 18px;
}

h1, h2, p { margin: 0; }
h1 { font-size: 25px; letter-spacing: -.04em; }
h2 { font-size: 16px; }
.eyebrow { color: var(--accent); font-size: 10px; font-weight: 800; letter-spacing: .17em; margin-bottom: 5px; }

button, input { font: inherit; }
button {
  border: 0;
  border-radius: 12px;
  padding: 11px 15px;
  background: #493866;
  color: var(--text);
  font-weight: 700;
  cursor: pointer;
}
button:disabled { cursor: not-allowed; opacity: .38; }
button:not(:disabled):active { transform: translateY(1px); }

.stop { background: var(--danger); color: #2a0914; white-space: nowrap; }
.panel {
  border: 1px solid var(--panel-border);
  border-radius: 19px;
  padding: 16px;
  margin-bottom: 12px;
  background: var(--panel);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.token-panel label { display: block; font-size: 13px; font-weight: 750; margin-bottom: 9px; }
.token-row { display: flex; gap: 8px; }
.token-row input {
  min-width: 0;
  flex: 1;
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 12px;
  padding: 11px 12px;
  background: rgba(9, 7, 14, .48);
  color: var(--text);
}
.hint, .locked-card p { margin-top: 9px; color: var(--muted); font-size: 11px; line-height: 1.55; }

.status-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-bottom: 12px; }
.status-card {
  display: grid;
  grid-template-columns: 8px 1fr;
  gap: 3px 7px;
  padding: 12px 10px;
  border: 1px solid var(--panel-border);
  border-radius: 15px;
  background: rgba(35, 27, 50, .8);
}
.status-card span:not(.dot) { color: var(--muted); font-size: 10px; }
.status-card strong { grid-column: 2; font-size: 11px; overflow-wrap: anywhere; }
.dot { width: 8px; height: 8px; border-radius: 50%; margin-top: 2px; background: #756d80; box-shadow: 0 0 0 3px rgba(117,109,128,.12); }
.dot.on { background: var(--ok); box-shadow: 0 0 0 3px rgba(103,215,173,.13); }

.connect-panel { display: grid; grid-template-columns: 1fr 1fr; gap: 9px; }
.primary { background: linear-gradient(135deg, var(--accent-strong), #9c6ee5); }
.arm { background: rgba(169,137,255,.15); border: 1px solid rgba(169,137,255,.36); color: #d7c8ff; }
.arm.active { background: var(--ok); border-color: var(--ok); color: #10261f; }
.message { grid-column: 1 / -1; min-height: 18px; color: var(--muted); font-size: 11px; text-align: center; }

.control-heading, .control-heading > div { display: flex; align-items: center; justify-content: space-between; gap: 9px; }
.icon { display: grid; place-items: center; width: 30px; height: 30px; border-radius: 10px; background: rgba(169,137,255,.16); color: #d5c4ff; font-size: 20px; }
output { display: grid; place-items: center; min-width: 38px; height: 30px; border-radius: 10px; background: rgba(255,255,255,.07); color: #e9ddff; font-weight: 800; }
.range { width: 100%; margin: 19px 0 15px; accent-color: var(--accent); }
.modes { display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px; }
.modes button { padding: 9px 5px; font-size: 11px; background: rgba(255,255,255,.06); color: var(--muted); }
.modes button.active { background: var(--accent-strong); color: white; }

.locked-card { box-shadow: none; background: rgba(47, 39, 56, .56); }
.locked-card > div { display: flex; align-items: center; gap: 9px; }
.lock { color: var(--danger); font-size: 22px; }
.activity-panel { box-shadow: none; }
.activity-panel p { margin-top: 9px; color: var(--muted); font-size: 12px; line-height: 1.55; overflow-wrap: anywhere; }

@media (max-width: 370px) {
  .connect-panel { grid-template-columns: 1fr; }
  .message { grid-column: 1; }
  .status-card { padding-inline: 7px; }
}