:root {
  color-scheme: light;
  --bg: #0f1420;
  --panel: #ffffff;
  --panel-2: #f4f6fb;
  --ink: #1a2233;
  --muted: #61708c;
  --faint: #93a0b8;
  --line: #e2e7f0;
  --accent: #3b5bdb;
  --accent-soft: #edf1ff;
  --accent-ink: #2942a6;
  --good: #2f8a5b;
  --warn: #b7791f;
  --danger: #c0392b;
  --pro: #a6791f;
  --pro-soft: #fbf3dd;
  --mono: ui-monospace, "Cascadia Code", "SF Mono", Consolas, monospace;
  --sans: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--sans);
  color: var(--ink);
  background:
    radial-gradient(120% 80% at 100% 0, rgba(59, 91, 219, 0.10), transparent 45%),
    linear-gradient(180deg, #eef1f7, #e7ebf3);
}

button, input, select, textarea { font: inherit; }

/* ---------- Top bar ---------- */
.topbar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px clamp(12px, 3vw, 28px);
  background: rgba(15, 20, 32, 0.96);
  color: #eaf0ff;
  position: sticky;
  top: 0;
  z-index: 30;
  flex-wrap: wrap;
}
.topbar .mark {
  width: 30px; height: 30px; border-radius: 8px; flex: none;
  display: grid; place-items: center;
  background: linear-gradient(135deg, #4c6ef5, #3b5bdb);
  color: #fff; font-family: var(--mono); font-weight: 700; font-size: 15px;
}
.topbar h1 { margin: 0; font-size: 1.02rem; font-weight: 650; letter-spacing: -0.01em; }
.topbar .spacer { flex: 1; }
.topbar .conn {
  font-family: var(--mono); font-size: 0.68rem; letter-spacing: 0.06em;
  padding: 3px 9px; border-radius: 999px;
  background: rgba(255,255,255,0.08); color: #9db0ff;
}
.topbar .conn.on { background: rgba(47,138,91,0.25); color: #7ee2a8; }
.tier-badge {
  font-family: var(--mono); font-size: 0.68rem; letter-spacing: 0.1em; text-transform: uppercase;
  padding: 3px 9px; border-radius: 999px; cursor: pointer; border: 1px solid transparent;
}
.tier-badge.free { background: rgba(255,255,255,0.08); color: #cdd8f5; }
.tier-badge.pro { background: linear-gradient(135deg, #e9c46a, #d4a72c); color: #3a2c05; }
.icon-toggle {
  background: rgba(255,255,255,0.08); border: 0; color: #eaf0ff;
  width: 34px; height: 34px; border-radius: 8px; cursor: pointer; display: grid; place-items: center;
}
.icon-toggle:hover { background: rgba(255,255,255,0.16); }

/* ---------- Shell ---------- */
.shell { display: grid; grid-template-columns: 230px minmax(0, 1fr); }
.shell.collapsed { grid-template-columns: 0 minmax(0, 1fr); }
@media (max-width: 820px) {
  .shell, .shell.collapsed { grid-template-columns: minmax(0, 1fr); }
  aside { display: none; }
  aside.open { display: block; position: fixed; inset: 58px 0 0 0; z-index: 25; width: 100%; }
}

aside {
  background: rgba(255, 255, 255, 0.7);
  border-right: 1px solid var(--line);
  padding: 16px 14px;
  overflow-y: auto;
}
aside h2 {
  margin: 0 0 4px; font-size: 0.72rem; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--muted); font-weight: 600;
}
aside .hint { margin: 0 0 12px; font-size: 0.78rem; color: var(--faint); }
.preset-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
.preset {
  display: flex; align-items: center; justify-content: space-between; gap: 8px;
  padding: 8px 10px; border-radius: 10px; border: 1px solid var(--line);
  background: var(--panel);
}
.preset:hover { border-color: #c3ccff; }
.preset .name { font-size: 0.86rem; font-weight: 550; color: var(--accent-ink); cursor: pointer; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.preset .del { border: 0; background: none; color: var(--faint); cursor: pointer; font-size: 0.72rem; flex: none; }
.preset .del:hover { color: var(--danger); }
.preset-empty { font-size: 0.8rem; color: var(--faint); padding: 6px 2px; }

main {
  padding: clamp(14px, 3vw, 30px);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
  align-content: start;
  max-width: 1180px;
}
@media (min-width: 1024px) { main { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); } }

.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 16px;
  box-shadow: 0 10px 30px rgba(23, 37, 84, 0.06);
  overflow: hidden;
}
.card > header {
  padding: 12px 16px; border-bottom: 1px solid var(--line);
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  background: var(--panel-2);
}
.card > header h3 { margin: 0; font-size: 0.95rem; font-weight: 650; }
.card > header .sub { font-size: 0.74rem; color: var(--faint); font-family: var(--mono); }
.card-body { padding: 16px; display: grid; gap: 14px; }

.field { display: grid; gap: 6px; }
.field > label { font-size: 0.82rem; font-weight: 600; }
.field .desc { font-size: 0.74rem; color: var(--faint); line-height: 1.5; }
.field .desc code, code.inline { font-family: var(--mono); background: var(--accent-soft); color: var(--accent-ink); padding: 1px 5px; border-radius: 5px; font-size: 0.9em; }

input[type="text"], input[type="url"], input[type="number"], textarea, select {
  width: 100%; padding: 9px 11px; border: 1px solid var(--line); border-radius: 10px;
  background: #fbfcfe; color: var(--ink);
}
input[type="text"], input[type="url"] { font-family: var(--mono); font-size: 0.85rem; }
input:focus, textarea:focus, select:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(59, 91, 219, 0.14); }
textarea { resize: vertical; }
.inline-row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.inline-row > * { flex: 0 0 auto; }
.inline-row .grow { flex: 1 1 160px; min-width: 0; }

.seg { display: inline-flex; border: 1px solid var(--line); border-radius: 10px; overflow: hidden; background: #fbfcfe; }
.seg label { cursor: pointer; padding: 7px 14px; font-size: 0.82rem; color: var(--muted); }
.seg label + label { border-left: 1px solid var(--line); }
.seg input { position: absolute; opacity: 0; width: 0; height: 0; }
.seg label:has(input:checked) { background: var(--accent); color: #fff; font-weight: 600; }

.btn {
  display: inline-flex; align-items: center; gap: 7px; justify-content: center;
  padding: 9px 16px; border-radius: 10px; border: 1px solid transparent;
  font-weight: 600; font-size: 0.86rem; cursor: pointer;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { filter: brightness(1.07); }
.btn-ghost { background: var(--panel); color: var(--ink); border: 1px solid var(--line); }
.btn-ghost:hover { border-color: #c3ccff; color: var(--accent-ink); }
.btn-sm { padding: 6px 10px; font-size: 0.78rem; }
.btn[disabled] { opacity: 0.5; cursor: not-allowed; }
.actions { display: flex; gap: 9px; flex-wrap: wrap; }

.hidden { display: none !important; }
.locked { position: relative; }
.lock-chip {
  display: inline-flex; align-items: center; gap: 5px;
  font-family: var(--mono); font-size: 0.68rem; letter-spacing: 0.04em;
  color: var(--pro); background: var(--pro-soft); border: 1px solid #ecd9a3;
  padding: 2px 8px; border-radius: 999px; cursor: pointer;
}

/* ---------- Preview iframe + picker ---------- */
.preview-wrap { border: 1px solid var(--line); border-radius: 12px; overflow: hidden; background: #fff; }
.preview-bar { display: flex; align-items: center; gap: 8px; padding: 8px 10px; background: var(--panel-2); border-bottom: 1px solid var(--line); flex-wrap: wrap; }
.preview-bar .status { font-size: 0.76rem; color: var(--muted); font-family: var(--mono); margin-left: auto; }
iframe.preview { width: 100%; height: 320px; border: 0; background: #fff; display: block; }
iframe.preview.picking { cursor: crosshair; }

/* ---------- Record field builder ---------- */
.fields { display: grid; gap: 8px; }
.field-row { display: grid; grid-template-columns: 1fr 1.4fr auto auto; gap: 6px; align-items: center; }
@media (max-width: 560px) { .field-row { grid-template-columns: 1fr 1fr; } }
.field-row input, .field-row select { padding: 7px 9px; font-size: 0.8rem; }
.field-row .rm { border: 0; background: none; color: var(--faint); cursor: pointer; }
.field-row .rm:hover { color: var(--danger); }

/* ---------- Result ---------- */
.result-meta { font-family: var(--mono); font-size: 0.72rem; color: var(--faint); }
.result-meta.ok { color: var(--good); }
.result-meta.err { color: var(--danger); }
.result-body { padding: 0; }
.table-scroll { overflow: auto; max-height: 440px; }
table.data { border-collapse: collapse; width: 100%; font-size: 0.82rem; }
table.data th, table.data td { border: 1px solid var(--line); padding: 6px 9px; text-align: left; vertical-align: top; white-space: nowrap; }
table.data thead th { position: sticky; top: 0; background: var(--panel-2); font-family: var(--mono); font-size: 0.72rem; }
table.data td { max-width: 320px; overflow: hidden; text-overflow: ellipsis; }
#resultText { font-family: var(--mono); font-size: 0.82rem; line-height: 1.6; min-height: 200px; border: 0; border-radius: 0; }
.result-foot { display: flex; gap: 8px; align-items: center; padding: 10px 14px; border-top: 1px solid var(--line); background: var(--panel-2); flex-wrap: wrap; }
.toast { margin-left: auto; font-size: 0.78rem; color: var(--good); font-family: var(--mono); opacity: 0; transition: opacity .2s; }
.toast.show { opacity: 1; }

/* ---------- License modal ---------- */
.modal { position: fixed; inset: 0; z-index: 60; display: grid; place-items: center; padding: 16px; background: rgba(15,20,32,0.6); backdrop-filter: blur(6px); }
.modal.hidden { display: none; }
.modal-card { width: min(100%, 460px); background: var(--panel); border-radius: 16px; overflow: hidden; box-shadow: 0 20px 60px rgba(0,0,0,0.3); }
.modal-card header { padding: 16px 18px; background: linear-gradient(135deg, var(--pro-soft), #fff); border-bottom: 1px solid var(--line); }
.modal-card header h2 { margin: 0; font-size: 1.1rem; }
.modal-card .body { padding: 18px; display: grid; gap: 12px; }
.modal-card .feat { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; font-size: 0.86rem; color: var(--ink); }
.modal-card .feat li::before { content: "✦ "; color: var(--pro); }
.modal-card .foot { display: flex; gap: 8px; justify-content: flex-end; padding: 0 18px 18px; }

@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }