:root {
  --bg0: #071018;
  --bg1: #0f1c2c;
  --card: rgba(255, 255, 255, 0.06);
  --line: rgba(255, 255, 255, 0.1);
  --text: #e8eef7;
  --muted: #93a4bb;
  --accent: #3ecf8e;
  --accent-2: #5b8cff;
  --danger: #ff6b7a;
  --radius: 18px;
  --font: "Segoe UI", "SF Pro Display", system-ui, sans-serif;
}

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

.bg {
  position: fixed;
  inset: 0;
  background:
    radial-gradient(900px 500px at 10% -10%, rgba(62, 207, 142, 0.18), transparent 60%),
    radial-gradient(700px 420px at 100% 0%, rgba(91, 140, 255, 0.16), transparent 55%),
    linear-gradient(180deg, var(--bg1), var(--bg0));
  z-index: -1;
}

main {
  width: min(640px, 100%);
  margin: 0 auto;
  padding: max(24px, env(safe-area-inset-top)) 18px 40px;
}

.hidden { display: none !important; }

.brand {
  margin: 0 0 6px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-size: 12px;
  color: var(--accent);
  font-weight: 700;
}

h1 {
  margin: 0 0 8px;
  font-size: clamp(28px, 7vw, 36px);
  letter-spacing: -0.03em;
}

.sub, .tip {
  margin: 0;
  color: var(--muted);
  line-height: 1.45;
  font-size: 15px;
}

.tip {
  margin: 14px 0 18px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(255,255,255,0.03);
}

.panel.gate {
  margin-top: 12vh;
  padding: 28px 22px;
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) + 4px);
  background: rgba(8, 14, 24, 0.72);
  backdrop-filter: blur(12px);
}

#pin-form {
  display: grid;
  gap: 12px;
  margin-top: 22px;
}

#pin {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(0,0,0,0.35);
  color: var(--text);
  font-size: 28px;
  letter-spacing: 0.35em;
  text-align: center;
  padding: 16px 12px;
  outline: none;
}
#pin:focus { border-color: rgba(62, 207, 142, 0.55); }

button {
  border: 0;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--accent), #2aa86f);
  color: #04140c;
  font-weight: 700;
  font-size: 16px;
  padding: 14px 16px;
  cursor: pointer;
}
button:active { transform: scale(0.98); }
button.ghost {
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--line);
  padding: 10px 14px;
  font-size: 14px;
}
button.small {
  padding: 10px 12px;
  font-size: 13px;
  background: rgba(255,255,255,0.08);
  color: var(--text);
}
button.accent-soft {
  background: rgba(91, 140, 255, 0.18);
  color: #cfe0ff;
  border: 1px solid rgba(91, 140, 255, 0.35);
}

.error {
  margin-top: 14px;
  color: var(--danger);
  font-size: 14px;
}

.top {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: flex-start;
}

.back { margin: 4px 0 12px; }

.name-list {
  display: grid;
  gap: 10px;
}
.name-btn {
  width: 100%;
  text-align: left;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 18px 16px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--text);
}
.name-btn strong { font-size: 18px; }
.name-btn span { color: var(--muted); font-size: 13px; font-weight: 600; }

.ep {
  margin-bottom: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--card);
  padding: 14px 16px 16px;
}
.ep-head {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  align-items: baseline;
  margin-bottom: 6px;
}
.ep-head strong { font-size: 15px; }
.badge {
  font-size: 11px;
  color: #052414;
  background: var(--accent);
  border-radius: 999px;
  padding: 3px 8px;
  font-weight: 700;
}
.ep .hint {
  margin: 0 0 12px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.4;
}
.copy-btn {
  width: 100%;
  background: linear-gradient(135deg, var(--accent), #2aa86f);
  color: #04140c;
}

.create-form {
  display: grid;
  gap: 10px;
  margin-top: 16px;
}
.create-form input {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(0,0,0,0.35);
  color: var(--text);
  font-size: 16px;
  padding: 14px 14px;
  outline: none;
}
.create-form input:focus { border-color: rgba(62, 207, 142, 0.55); }
.note {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.4;
}
.manage-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-bottom: 8px;
}
.danger-btn {
  background: rgba(255, 107, 122, 0.16);
  color: #ffb4bc;
  border: 1px solid rgba(255, 107, 122, 0.35);
}
.busy {
  position: fixed;
  inset: 0;
  background: rgba(4, 10, 18, 0.55);
  display: grid;
  place-items: center;
  z-index: 40;
  backdrop-filter: blur(2px);
}
.busy span {
  background: #102033;
  border: 1px solid var(--line);
  padding: 14px 18px;
  border-radius: 999px;
  font-weight: 700;
}

.toast {
  position: fixed;
  left: 50%;
  bottom: max(24px, env(safe-area-inset-bottom));
  transform: translateX(-50%);
  background: #102033;
  border: 1px solid var(--line);
  color: var(--text);
  padding: 10px 14px;
  border-radius: 999px;
  font-size: 14px;
  opacity: 0;
  pointer-events: none;
  transition: opacity .2s ease;
  z-index: 20;
}
.toast.show { opacity: 1; }