:root {
  --bg: var(--tg-theme-bg-color, #0e1218);
  --bg2: var(--tg-theme-secondary-bg-color, #171d27);
  --text: var(--tg-theme-text-color, #edf1f7);
  --hint: var(--tg-theme-hint-color, #8b95a8);
  --btn: var(--tg-theme-button-color, #2dd4bf);
  --btn-text: var(--tg-theme-button-text-color, #042f2e);
  --link: var(--tg-theme-link-color, #5eead4);
  --danger: #f87171;
  --ok: #34d399;
  --warn: #fbbf24;
  --line: color-mix(in srgb, var(--text) 12%, transparent);
  --radius: 14px;
  --font: "Segoe UI", "SF Pro Text", system-ui, sans-serif;
  --safe-b: env(safe-area-inset-bottom, 0px);
}

* { box-sizing: border-box; }
html, body {
  margin: 0;
  min-height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
}
body {
  background:
    radial-gradient(1200px 500px at 10% -10%, rgba(45, 212, 191, 0.12), transparent 55%),
    radial-gradient(900px 400px at 100% 0%, rgba(56, 189, 248, 0.08), transparent 50%),
    var(--bg);
}

#app {
  max-width: 520px;
  margin: 0 auto;
  min-height: 100vh;
  padding: 16px 16px calc(84px + var(--safe-b));
}

.top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 18px;
}
.brand {
  font-size: 1.55rem;
  font-weight: 750;
  letter-spacing: -0.03em;
}
.balance {
  font-size: 0.95rem;
  color: var(--hint);
  font-variant-numeric: tabular-nums;
}
.balance b { color: var(--text); }

.view { display: grid; gap: 12px; }

.hero {
  padding: 18px 16px;
  border-radius: calc(var(--radius) + 4px);
  background:
    linear-gradient(145deg, rgba(45, 212, 191, 0.16), transparent 55%),
    var(--bg2);
  border: 1px solid var(--line);
}
.hero h1 {
  margin: 0 0 6px;
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}
.hero p {
  margin: 0;
  color: var(--hint);
  line-height: 1.45;
  font-size: 0.92rem;
}

.panel {
  background: var(--bg2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px;
}
.panel h2 {
  margin: 0 0 10px;
  font-size: 0.98rem;
  font-weight: 650;
}
.muted { color: var(--hint); font-size: 0.88rem; line-height: 1.4; }
.row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.stack { display: grid; gap: 10px; }

.btn {
  appearance: none;
  border: 0;
  border-radius: 12px;
  padding: 12px 14px;
  font: inherit;
  font-weight: 650;
  background: var(--btn);
  color: var(--btn-text);
  cursor: pointer;
  text-align: center;
}
.btn:disabled { opacity: 0.5; cursor: default; }
.btn.secondary {
  background: color-mix(in srgb, var(--text) 10%, transparent);
  color: var(--text);
}
.btn.ghost {
  background: transparent;
  color: var(--link);
  padding-inline: 8px;
}
.btn.danger {
  background: color-mix(in srgb, var(--danger) 18%, transparent);
  color: var(--danger);
}
.btn.block { width: 100%; }

.lic {
  display: grid;
  gap: 8px;
  padding: 12px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--bg) 55%, var(--bg2));
  cursor: pointer;
  text-align: left;
  color: inherit;
  font: inherit;
}
.lic .code { font-family: ui-monospace, Consolas, monospace; font-size: 0.86rem; }
.lic .meta { color: var(--hint); font-size: 0.82rem; }
.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 650;
}
.badge.ok { background: color-mix(in srgb, var(--ok) 20%, transparent); color: var(--ok); }
.badge.warn { background: color-mix(in srgb, var(--warn) 20%, transparent); color: var(--warn); }
.badge.bad { background: color-mix(in srgb, var(--danger) 18%, transparent); color: var(--danger); }
.badge.mute { background: color-mix(in srgb, var(--hint) 18%, transparent); color: var(--hint); }

input, textarea {
  width: 100%;
  border: 1px solid var(--line);
  background: var(--bg);
  color: var(--text);
  border-radius: 12px;
  padding: 12px 14px;
  font: inherit;
  outline: none;
}
input:focus, textarea:focus {
  border-color: color-mix(in srgb, var(--btn) 55%, var(--line));
}

.tabs {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 4px;
  padding: 8px 10px calc(8px + var(--safe-b));
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(10px);
  border-top: 1px solid var(--line);
}
.tab {
  border: 0;
  background: transparent;
  color: var(--hint);
  font: inherit;
  font-size: 0.78rem;
  font-weight: 650;
  padding: 10px 4px;
  border-radius: 10px;
  cursor: pointer;
}
.tab.active {
  color: var(--text);
  background: color-mix(in srgb, var(--btn) 16%, transparent);
}

.toast {
  position: fixed;
  left: 50%;
  bottom: calc(78px + var(--safe-b));
  transform: translateX(-50%);
  max-width: min(92vw, 420px);
  background: #111827;
  color: #f9fafb;
  border: 1px solid rgba(255,255,255,.12);
  padding: 10px 14px;
  border-radius: 12px;
  font-size: 0.9rem;
  z-index: 40;
  box-shadow: 0 12px 40px rgba(0,0,0,.35);
}
.toast.hidden, .modal.hidden { display: none; }

.modal {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.55);
  display: grid;
  place-items: end center;
  z-index: 50;
  padding: 12px;
}
.modal-card {
  width: min(100%, 480px);
  background: var(--bg2);
  border: 1px solid var(--line);
  border-radius: 18px 18px 14px 14px;
  padding: 16px;
  margin-bottom: calc(8px + var(--safe-b));
}
.modal-card h3 { margin: 0 0 10px; font-size: 1.05rem; }
.modal-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}
.modal-actions .btn { flex: 1 1 auto; }

.kv { display: grid; gap: 6px; font-size: 0.9rem; }
.kv div { display: flex; justify-content: space-between; gap: 10px; }
.kv span { color: var(--hint); }
.mono { font-family: ui-monospace, Consolas, monospace; word-break: break-all; }