:root {
  color-scheme: light;
  --bg: #f5f7f8;
  --ink: #11181d;
  --muted: #64717b;
  --line: #d9e0e5;
  --panel: #ffffff;
  --panel-soft: #eef4f6;
  --accent: #0f766e;
  --accent-strong: #0b5f59;
  --warning: #b45309;
  --focus: #2563eb;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--bg);
  color: var(--ink);
}

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

button,
a {
  -webkit-tap-highlight-color: transparent;
}

.app-shell {
  min-height: 100vh;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 18px clamp(16px, 4vw, 40px);
  border-bottom: 1px solid var(--line);
  background: #ffffff;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand img {
  flex: 0 0 auto;
  border-radius: 8px;
}

h1,
h2,
p {
  margin: 0;
}

h1 {
  font-size: 1.15rem;
  line-height: 1.2;
}

h2 {
  font-size: 1rem;
  line-height: 1.2;
}

#statusText {
  margin-top: 3px;
  color: var(--muted);
  font-size: 0.85rem;
}

.top-actions,
.result-actions,
.form-row {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.top-actions a,
button {
  min-height: 38px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: #ffffff;
  color: var(--ink);
  padding: 8px 13px;
  text-decoration: none;
  cursor: pointer;
}

button:hover,
.top-actions a:hover {
  border-color: #a8b5bd;
}

button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--focus) 28%, transparent);
  outline-offset: 2px;
}

.primary-action {
  border-color: var(--accent);
  background: var(--accent);
  color: #ffffff;
}

.primary-action:hover {
  border-color: var(--accent-strong);
  background: var(--accent-strong);
}

.workspace {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(340px, 0.8fr);
  gap: 28px;
  width: min(1360px, 100%);
  margin: 0 auto;
  padding: clamp(18px, 4vw, 40px);
}

.lookup-pane,
.collections-pane {
  min-width: 0;
}

.section-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}

.section-title span {
  color: var(--muted);
  font-size: 0.9rem;
}

.stack {
  display: grid;
  gap: 14px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

label {
  display: grid;
  gap: 7px;
  min-width: 0;
}

label span {
  color: #33414a;
  font-size: 0.84rem;
  font-weight: 650;
}

input,
select,
textarea {
  width: 100%;
  min-height: 40px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: #ffffff;
  color: var(--ink);
  padding: 9px 10px;
}

textarea {
  min-height: 180px;
  resize: vertical;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.87rem;
  line-height: 1.45;
}

.field-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 150px;
  gap: 14px;
  align-items: end;
}

.checkbox-line {
  display: flex;
  align-items: center;
  min-height: 40px;
  gap: 8px;
  padding-bottom: 1px;
}

.checkbox-line input {
  width: 18px;
  min-height: 18px;
}

.result-bar {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin: 18px 0 12px;
}

.result-bar > div {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  padding: 13px;
}

.metric-label {
  display: block;
  margin-bottom: 4px;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 650;
  text-transform: uppercase;
}

.result-bar strong {
  display: block;
  font-size: 1.35rem;
  line-height: 1.1;
}

.result-actions {
  margin-bottom: 12px;
}

.result-actions a {
  color: var(--accent-strong);
  font-weight: 650;
}

#resultsOutput {
  min-height: 410px;
}

.collection-list {
  display: grid;
  gap: 10px;
  margin-top: 16px;
}

.collection-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  padding: 12px;
}

.collection-row button {
  min-height: 34px;
  padding: 6px 10px;
}

.collection-name {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-weight: 750;
}

.collection-meta {
  display: flex;
  gap: 10px;
  margin-top: 4px;
  color: var(--muted);
  font-size: 0.82rem;
  flex-wrap: wrap;
}

.empty-state,
.error-state {
  border: 1px dashed var(--line);
  border-radius: 8px;
  padding: 16px;
  color: var(--muted);
  background: var(--panel-soft);
}

.error-state {
  border-color: color-mix(in srgb, var(--warning) 48%, var(--line));
  color: var(--warning);
}

.verify-shell {
  display: grid;
  min-height: 100vh;
  place-items: center;
  padding: clamp(18px, 5vw, 48px);
}

.verify-panel {
  width: min(720px, 100%);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  padding: clamp(16px, 4vw, 28px);
}

.verify-header {
  display: flex;
  align-items: center;
  gap: 13px;
  margin-bottom: 20px;
}

.verify-header img {
  border-radius: 8px;
  flex: 0 0 auto;
}

.verify-header p {
  margin-top: 4px;
  color: var(--muted);
  font-size: 0.9rem;
}

.verify-header p[data-type="error"] {
  color: var(--warning);
  font-weight: 650;
}

.verify-summary {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 16px;
}

.verify-summary > div {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel-soft);
  padding: 13px;
}

.verify-summary strong {
  display: block;
  overflow-wrap: anywhere;
  line-height: 1.25;
}

.message-preview textarea {
  min-height: 210px;
  margin-bottom: 14px;
}

.verify-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 14px;
}

.verify-actions a {
  min-height: 38px;
  border: 1px solid var(--line);
  border-radius: 7px;
  color: var(--ink);
  padding: 8px 13px;
  text-decoration: none;
}

.verify-result {
  margin-top: 16px;
  border: 1px solid color-mix(in srgb, var(--accent) 45%, var(--line));
  border-radius: 8px;
  background: color-mix(in srgb, var(--accent) 9%, #ffffff);
  color: var(--accent-strong);
  padding: 14px;
  white-space: pre-wrap;
}

@media (max-width: 900px) {
  .workspace {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 620px) {
  .topbar {
    align-items: flex-start;
    flex-direction: column;
  }

  .field-grid,
  .result-bar,
  .verify-summary {
    grid-template-columns: 1fr;
  }

  .form-row {
    align-items: stretch;
    flex-direction: column;
  }
}