:root {
  --bg: #101418;
  --bg-elevated: #1b2229;
  --ink: #f4f1ea;
  --muted: #b7c0c8;
  --accent: #7ad0a5;
  --line: rgba(122, 208, 165, 0.28);
  --danger: #f0a3a3;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background: radial-gradient(circle at top, #243040 0%, var(--bg) 50%);
  color: var(--ink);
  font-family: 'Segoe UI', system-ui, sans-serif;
}

#app {
  min-height: 100vh;
}

.gate,
.page {
  max-width: 1280px;
  margin: 0 auto;
  padding: 48px 24px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 16px 24px;
  border-bottom: 1px solid var(--line);
  background: rgba(16, 20, 24, 0.72);
}

h1 {
  margin: 0 0 12px;
  font-size: 1.6rem;
}

h2 {
  margin: 0;
}

.session {
  display: flex;
  align-items: center;
  gap: 12px;
}

.session__hint,
.hint {
  color: var(--muted);
  margin: 8px 0 0;
}

.lookup {
  margin: 24px 0;
}

.csv-import {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin: 0 0 24px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--bg-elevated);
}

.csv-import__button {
  flex: 0 0 auto;
  cursor: pointer;
}

.csv-import__button input {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.workspace {
  display: grid;
  grid-template-columns: minmax(260px, 340px) minmax(0, 1fr);
  gap: 24px;
  align-items: start;
}

.lookup-panel {
  min-width: 0;
}

.workspace .lookup {
  margin-top: 0;
}

.set-library {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--bg-elevated);
}

.set-library__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  padding: 16px;
  border-bottom: 1px solid var(--line);
}

.set-library__header h2 {
  font-size: 1.1rem;
}

.set-library__header p {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 0.85rem;
}

.set-library__header .button {
  padding: 6px 10px;
}

.set-list {
  max-height: 70vh;
  margin: 0;
  padding: 0;
  overflow-y: auto;
  list-style: none;
}

.set-list li + li {
  border-top: 1px solid var(--line);
}

.set-entry {
  display: flex;
  width: 100%;
  gap: 12px;
  padding: 12px;
  border: 0;
  background: transparent;
  color: var(--ink);
  text-align: left;
}

.set-entry:hover,
.set-entry--selected {
  background: rgba(122, 208, 165, 0.12);
}

.set-entry img,
.set-entry__image-placeholder {
  width: 64px;
  height: 48px;
  flex: 0 0 auto;
  border-radius: 6px;
  background: #fff;
  object-fit: contain;
}

.set-entry__image-placeholder {
  background: rgba(183, 192, 200, 0.12);
}

.set-entry__details {
  display: flex;
  min-width: 0;
  flex-direction: column;
  gap: 3px;
}

.set-entry__details strong {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.set-entry__details span {
  color: var(--muted);
  font-size: 0.82rem;
}

.lookup__row {
  display: flex;
  gap: 8px;
  margin-top: 8px;
}

input {
  flex: 1;
  min-width: 0;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: var(--bg-elevated);
  color: var(--ink);
  font: inherit;
}

.button,
button {
  font: inherit;
  cursor: pointer;
}

.button {
  border: 0;
  border-radius: 10px;
  padding: 10px 16px;
  background: var(--accent);
  color: #102016;
  font-weight: 600;
}

.button--secondary {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--ink);
}

.button:disabled,
button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.error {
  color: var(--danger);
}

.result {
  margin-top: 32px;
  padding: 20px;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--bg-elevated);
}

.result__header {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.result__header img {
  background: #fff;
  border-radius: 8px;
}

.result__links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.result__links a,
.result a {
  color: var(--accent);
}

.listings {
  width: 100%;
  border-collapse: collapse;
  margin-top: 16px;
}

.listings th,
.listings td {
  text-align: left;
  padding: 8px 6px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

.empty {
  color: var(--muted);
}

@media (max-width: 760px) {
  .topbar,
  .csv-import {
    align-items: flex-start;
    flex-direction: column;
  }

  .workspace {
    grid-template-columns: 1fr;
  }

  .set-list {
    max-height: 360px;
  }
}