:root {
  --bg: #0e1114;
  --bg-elev: #161b20;
  --bg-soft: #1c232b;
  --line: #2a333d;
  --text: #e8edf2;
  --muted: #8b97a5;
  --accent: #3dba8a;
  --accent-dim: #2a8f68;
  --danger: #e06c75;
  --warn: #d4a15a;
  --ok: #3dba8a;
  --radius: 10px;
  --font: "Manrope", system-ui, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--font);
  background:
    radial-gradient(1200px 600px at 10% -10%, #1a2830 0%, transparent 55%),
    radial-gradient(900px 500px at 100% 0%, #18221c 0%, transparent 45%),
    var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.45;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.topbar {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  padding: 0.85rem 1.5rem;
  border-bottom: 1px solid var(--line);
  background: rgba(14, 17, 20, 0.85);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 20;
}
.brand {
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--text);
  text-decoration: none;
  font-size: 1.05rem;
}
.nav { display: flex; gap: 0.75rem; flex: 1; }
.nav a {
  color: var(--muted);
  text-decoration: none;
  padding: 0.35rem 0.55rem;
  border-radius: 6px;
}
.nav a:hover, .nav a.active {
  color: var(--text);
  background: var(--bg-soft);
  text-decoration: none;
}
.topbar-right { display: flex; align-items: center; gap: 0.75rem; }

.container {
  width: min(1100px, calc(100% - 2rem));
  margin: 1.5rem auto 3rem;
}
.container-narrow { width: min(420px, calc(100% - 2rem)); }

.page-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.25rem;
}
.page-head h1, .auth-card h1, .panel h2 { margin: 0.15rem 0 0.35rem; font-weight: 650; letter-spacing: -0.02em; }
.eyebrow {
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.72rem;
  color: var(--accent);
  font-weight: 600;
}
.lede, .muted, .hint { color: var(--muted); }
.lede { margin: 0; max-width: 42rem; }

.panel, .auth-card, .stat {
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.1rem 1.2rem;
}
.panel { margin-bottom: 1rem; }
.panel-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 0.75rem;
}
.auth-card { margin-top: 12vh; padding: 1.6rem; }

.grid.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.75rem;
  margin-bottom: 1rem;
}
.stat-label { display: block; color: var(--muted); font-size: 0.8rem; }
.stat-value { display: block; font-size: 1.55rem; margin: 0.25rem 0; font-variant-numeric: tabular-nums; }
.hint { font-size: 0.78rem; }

.stack { display: grid; gap: 0.85rem; }
.stack.tight { gap: 0.45rem; margin-top: 0.5rem; }
.form-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.9rem;
  align-items: end;
}
.form-actions { display: flex; align-items: center; gap: 0.75rem; }
label { display: grid; gap: 0.35rem; font-size: 0.88rem; color: var(--muted); }
label select#area_code { max-height: none; }
#area_filter {
  margin-bottom: 0.15rem;
}
input, select, button, textarea {
  font: inherit;
}
input, select {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--line);
  color: var(--text);
  border-radius: 8px;
  padding: 0.6rem 0.7rem;
}
input:focus, select:focus {
  outline: 1px solid var(--accent-dim);
  border-color: var(--accent-dim);
}

.btn {
  border: 1px solid var(--line);
  background: var(--bg-soft);
  color: var(--text);
  border-radius: 8px;
  padding: 0.55rem 0.9rem;
  cursor: pointer;
  font-weight: 600;
}
.btn:hover { filter: brightness(1.08); }
.btn:disabled { opacity: 0.55; cursor: not-allowed; }
.btn-primary {
  background: linear-gradient(180deg, #45c994, var(--accent-dim));
  border-color: transparent;
  color: #04140e;
}
.btn-ghost { background: transparent; }
.btn-danger {
  background: transparent;
  border-color: #5a3036;
  color: var(--danger);
}
.btn-sm { padding: 0.3rem 0.55rem; font-size: 0.82rem; font-weight: 500; }

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 0.92rem; }
th, td { text-align: left; padding: 0.65rem 0.45rem; border-bottom: 1px solid var(--line); vertical-align: middle; }
th { color: var(--muted); font-weight: 560; font-size: 0.8rem; }
.mono { font-family: var(--mono); font-size: 0.86rem; }
.row-actions { display: flex; gap: 0.35rem; flex-wrap: wrap; justify-content: flex-end; }

.badge {
  display: inline-block;
  padding: 0.15rem 0.45rem;
  border-radius: 999px;
  font-size: 0.75rem;
  border: 1px solid var(--line);
  color: var(--muted);
}
.badge-purchased { color: var(--warn); border-color: #5a4630; }
.badge-kept { color: var(--ok); border-color: #2f5a45; }
.badge-refunded { color: var(--muted); }
.badge-failed { color: var(--danger); border-color: #5a3036; }
.badge-queued { color: #7eb6ff; border-color: #2f4a6a; }
.badge-running { color: var(--warn); border-color: #5a4630; }
.badge-done { color: var(--ok); border-color: #2f5a45; }

.alert {
  padding: 0.7rem 0.85rem;
  border-radius: 8px;
  margin-bottom: 0.9rem;
  border: 1px solid var(--line);
  background: var(--bg-soft);
}
.alert-error { border-color: #5a3036; color: #f0b0b6; }
.alert-ok { border-color: #2f5a45; color: #9ee0c4; }
.error-text { color: #f0b0b6; font-size: 0.85rem; }

.toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.85rem;
  flex-wrap: wrap;
}
.check { display: flex; align-items: center; gap: 0.45rem; color: var(--muted); }

dialog {
  border: 1px solid var(--line);
  background: var(--bg-elev);
  color: var(--text);
  border-radius: 12px;
  width: min(640px, calc(100% - 2rem));
  padding: 1rem;
}
dialog::backdrop { background: rgba(0,0,0,0.55); }
.dialog-head { display: flex; justify-content: space-between; align-items: center; margin: 0 0 0.75rem; }
.sms-body {
  white-space: pre-wrap;
  max-height: 50vh;
  overflow: auto;
  background: var(--bg);
  padding: 0.75rem;
  border-radius: 8px;
  border: 1px solid var(--line);
}
.inline-details summary { list-style: none; display: inline-block; cursor: pointer; }
.inline-details summary::-webkit-details-marker { display: none; }

@media (max-width: 900px) {
  .grid.stats { grid-template-columns: 1fr 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .topbar { flex-wrap: wrap; }
  .nav { order: 3; width: 100%; overflow-x: auto; }
}