:root {
  --purple: #5b2aa8;
  --purple-dark: #3b176f;
  --purple-light: #f2ecfb;
  --green: #75c043;
  --green-dark: #367d18;
  --orange: #ff8a34;
  --red: #c83a4a;
  --yellow: #ffcc45;
  --ink: #252236;
  --muted: #706b7e;
  --line: #e7e3ec;
  --surface: #ffffff;
  --background: #f7f6fa;
  --shadow: 0 16px 45px rgba(54, 35, 84, .09);
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--background);
}
button, input, select { font: inherit; }
button { cursor: pointer; }

.topbar {
  min-height: 76px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px max(24px, calc((100vw - 1260px) / 2));
  background: var(--surface);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 20;
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand-mark {
  width: 46px; height: 46px; border-radius: 14px;
  display: grid; place-items: center;
  font-weight: 900; font-size: 17px; color: #fff;
  background: linear-gradient(145deg, var(--purple), #8146cc);
  box-shadow: 0 9px 22px rgba(91, 42, 168, .25);
}
.brand strong, .brand span { display: block; }
.brand strong { font-size: 16px; }
.brand span { color: var(--muted); font-size: 12px; margin-top: 2px; }
.template-badge {
  display: flex; align-items: center; gap: 8px;
  padding: 8px 12px; border-radius: 999px;
  font-size: 12px; font-weight: 750;
  color: var(--green-dark); background: #eff9e9; border: 1px solid #d6edca;
}
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 4px rgba(117,192,67,.15); }

.container { max-width: 1260px; margin: 0 auto; padding: 36px 24px 60px; }
.hero {
  overflow: hidden;
  display: grid; grid-template-columns: 1.55fr .8fr; gap: 40px;
  padding: 42px;
  border-radius: 28px;
  background:
    radial-gradient(circle at 88% 5%, rgba(117,192,67,.28), transparent 27%),
    linear-gradient(135deg, #35166a 0%, #5b2aa8 62%, #7440bd 100%);
  color: #fff;
  box-shadow: var(--shadow);
}
.eyebrow { margin: 0 0 12px; font-size: 12px; letter-spacing: .18em; font-weight: 850; color: #bdf39a; }
.hero h1 { margin: 0; max-width: 760px; font-size: clamp(30px, 4.4vw, 55px); line-height: 1.02; letter-spacing: -.045em; }
.hero-copy { max-width: 730px; margin: 20px 0 0; font-size: 16px; line-height: 1.6; color: #eee5fb; }
.hero-model {
  align-self: center;
  min-width: 0;
  padding: 25px;
  border: 1px solid rgba(255,255,255,.2);
  border-radius: 20px;
  background: rgba(255,255,255,.11);
  backdrop-filter: blur(10px);
}
.hero-model span, .hero-model strong, .hero-model small { display: block; }
.hero-model span { font-size: 10px; letter-spacing: .15em; color: #c9f8ac; font-weight: 900; }
.hero-model strong { margin: 12px 0; font-size: 13px; line-height: 1.55; overflow-wrap: anywhere; }
.hero-model small { color: #e3d9f4; }

.steps { display: flex; gap: 14px; margin: 26px 0; }
.step {
  flex: 1; display: flex; align-items: center; gap: 11px;
  padding: 14px 16px; background: var(--surface); border: 1px solid var(--line); border-radius: 16px;
}
.step > span { width: 32px; height: 32px; display: grid; place-items: center; border-radius: 10px; background: #efedf3; font-weight: 850; }
.step b, .step small { display: block; }
.step b { font-size: 13px; }
.step small { font-size: 11px; color: var(--muted); margin-top: 2px; }
.step.active { border-color: #d2bdf0; }
.step.active > span { color: #fff; background: var(--purple); }

.upload-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.upload-card {
  display: flex; gap: 18px; padding: 26px;
  background: var(--surface); border: 1px solid var(--line); border-radius: 22px;
  box-shadow: 0 9px 28px rgba(54,35,84,.05);
  transition: transform .2s ease, border-color .2s ease;
}
.upload-card.ready { border-color: #a9d991; transform: translateY(-2px); }
.upload-icon {
  flex: 0 0 48px; width: 48px; height: 48px; border-radius: 15px;
  display: grid; place-items: center;
  color: var(--purple); background: var(--purple-light); font-size: 13px; font-weight: 900;
}
.upload-card:nth-child(2) .upload-icon { color: var(--green-dark); background: #eff9e9; }
.upload-card.supplemental { grid-column: 1 / -1; }
.upload-card.supplemental .upload-icon { color: #9a4d00; background: #fff2df; }
.file-button.supplemental-button { background: #a85c16; }
.clear-files { margin-left: 8px; border: 1px solid var(--line); background: #fff; color: var(--muted); min-height: 42px; padding: 0 13px; border-radius: 11px; font-size: 12px; font-weight: 750; cursor: pointer; }
.clear-files:hover { color: var(--purple); border-color: #cdb9ea; }
.upload-copy { flex: 1; min-width: 0; }
.upload-copy h2 { margin: 0 0 6px; font-size: 19px; }
.upload-copy p { margin: 0 0 17px; font-size: 13px; line-height: 1.55; color: var(--muted); }
.file-button {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 42px; padding: 0 15px; border-radius: 11px;
  background: var(--purple); color: #fff; font-size: 12px; font-weight: 800;
}
.file-button.secondary { background: var(--green-dark); }
.file-button input { display: none; }
.file-status { margin-top: 11px; font-size: 12px; color: var(--muted); overflow-wrap: anywhere; }
.file-status.ok { color: var(--green-dark); font-weight: 750; }

.actions-panel {
  display: grid; grid-template-columns: 1fr auto; gap: 18px; align-items: center;
  margin-top: 20px; padding: 22px 25px; background: var(--surface); border: 1px solid var(--line); border-radius: 22px;
}
.rule-box { display: flex; flex-wrap: wrap; gap: 12px 28px; }
.rule-box div { min-width: 170px; }
.rule-box span, .rule-box strong { display: block; }
.rule-box span { color: var(--muted); font-size: 10px; text-transform: uppercase; letter-spacing: .08em; }
.rule-box strong { margin-top: 3px; font-size: 13px; }
.primary-action, .download-button {
  border: 0; min-height: 50px; padding: 0 24px; border-radius: 14px;
  background: linear-gradient(135deg, var(--purple), #7841c1); color: #fff; font-weight: 850;
  box-shadow: 0 10px 24px rgba(91,42,168,.2);
}
.primary-action:disabled, .download-button:disabled { cursor: not-allowed; opacity: .45; box-shadow: none; }
.privacy { grid-column: 1 / -1; margin: -5px 0 0; font-size: 11px; color: var(--muted); }

.results { margin-top: 28px; }
.hidden { display: none !important; }
.summary-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.summary-grid article { padding: 19px 21px; background: var(--surface); border: 1px solid var(--line); border-radius: 17px; }
.summary-grid span, .summary-grid strong { display: block; }
.summary-grid span { color: var(--muted); font-size: 11px; }
.summary-grid strong { margin-top: 5px; font-size: 28px; letter-spacing: -.04em; }
.summary-grid .success { border-left: 5px solid var(--green); }
.summary-grid .warning { border-left: 5px solid var(--orange); }

.toolbar { display: flex; justify-content: space-between; gap: 15px; margin-top: 18px; padding: 14px; background: var(--surface); border: 1px solid var(--line); border-radius: 16px; }
.filters, .bulk-actions { display: flex; gap: 10px; align-items: center; }
.search-wrap { display: flex; align-items: center; gap: 8px; min-width: 330px; padding: 0 12px; border: 1px solid var(--line); border-radius: 11px; background: #fbfafc; }
.search-wrap span { color: var(--muted); font-size: 21px; }
.search-wrap input { width: 100%; min-height: 40px; border: 0; outline: 0; background: transparent; font-size: 12px; }
select { min-height: 42px; border: 1px solid var(--line); border-radius: 11px; padding: 0 34px 0 11px; color: var(--ink); background: #fff; font-size: 12px; }
.ghost-button, .small-button, .page-button { min-height: 40px; padding: 0 13px; border: 1px solid var(--line); border-radius: 10px; background: #fff; color: var(--ink); font-size: 11px; font-weight: 750; }
.ghost-button:hover, .page-button:hover { border-color: #bba2df; color: var(--purple); }
.category-bar { display: flex; align-items: end; gap: 10px; margin-top: 12px; padding: 14px; background: #f0ebf8; border-radius: 14px; }
.category-bar label { flex: 1; font-size: 11px; font-weight: 750; color: var(--purple-dark); }
.category-bar select { display: block; width: 100%; margin-top: 6px; }
.small-button { background: var(--purple); border-color: var(--purple); color: #fff; }

.table-shell { margin-top: 12px; overflow: auto; max-height: 710px; border: 1px solid var(--line); border-radius: 18px; background: #fff; }
table { width: 100%; min-width: 1120px; border-collapse: separate; border-spacing: 0; }
th { position: sticky; top: 0; z-index: 3; padding: 13px 12px; text-align: left; background: #f4f1f8; border-bottom: 1px solid var(--line); color: #50465f; font-size: 10px; letter-spacing: .05em; text-transform: uppercase; }
td { padding: 11px 12px; border-bottom: 1px solid #efedf2; vertical-align: middle; font-size: 12px; }
tr:last-child td { border-bottom: 0; }
tr:hover td { background: #fcfbfe; }
.check-col { width: 44px; text-align: center; }
.cover { width: 48px; height: 64px; object-fit: cover; border-radius: 6px; background: #eeeaf3; box-shadow: 0 4px 10px rgba(0,0,0,.09); }
.cover-placeholder { width: 48px; height: 64px; display: grid; place-items: center; border-radius: 6px; background: #f3f1f5; color: #aaa1b1; font-size: 9px; text-align: center; }
.book-title { max-width: 300px; font-weight: 800; line-height: 1.35; }
.book-meta { margin-top: 4px; color: var(--muted); font-size: 10px; }
.isbn { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 11px; }
.price { font-weight: 850; white-space: nowrap; }
.qty { font-weight: 800; text-align: center; }
.category-select { width: 280px; max-width: 30vw; }
.status-pill { display: inline-flex; align-items: center; gap: 6px; padding: 6px 9px; border-radius: 999px; font-size: 10px; font-weight: 800; white-space: nowrap; }
.status-pill.ready { color: var(--green-dark); background: #ecf8e6; }
.status-pill.issue { color: #9f3a1f; background: #fff0e7; }
.issue-list { max-width: 260px; margin-top: 6px; color: #9f3a1f; font-size: 9px; line-height: 1.35; }

.pagination { display: flex; justify-content: center; align-items: center; gap: 17px; padding: 16px; }
.pagination span { font-size: 11px; color: var(--muted); }
.page-button:disabled { opacity: .4; cursor: not-allowed; }
.download-panel { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 22px; padding: 25px; background: linear-gradient(135deg, #fff, #f4effb); border: 1px solid #d8c9ed; border-radius: 20px; }
.download-panel h2 { margin: 0; font-size: 20px; }
.download-panel p { margin: 7px 0 0; color: var(--muted); font-size: 12px; line-height: 1.5; }
.download-warning { margin-top: 8px; color: #9f3a1f; font-size: 11px; }
.download-button { display: inline-flex; align-items: center; gap: 10px; min-height: 56px; }
.download-button span { font-size: 20px; }
.error-box { margin-top: 20px; padding: 16px 18px; border: 1px solid #f3bbc2; border-radius: 14px; background: #fff1f3; color: #942c39; font-size: 13px; line-height: 1.5; }

footer { padding: 24px; text-align: center; color: var(--muted); font-size: 11px; }
.loading { position: fixed; inset: 0; z-index: 100; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 10px; background: rgba(35,24,51,.88); color: #fff; backdrop-filter: blur(6px); }
.loading span { color: #dcd2e9; font-size: 12px; }
.spinner { width: 45px; height: 45px; border: 4px solid rgba(255,255,255,.2); border-top-color: var(--green); border-radius: 50%; animation: spin .75s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; padding: 30px; }
  .upload-grid, .summary-grid { grid-template-columns: 1fr 1fr; }
  .actions-panel { grid-template-columns: 1fr; }
  .toolbar { align-items: stretch; flex-direction: column; }
  .filters { flex-wrap: wrap; }
  .search-wrap { flex: 1 1 100%; min-width: 0; }
  .download-panel { grid-template-columns: 1fr; }
  .download-button { justify-content: center; }
}
@media (max-width: 600px) {
  .container { padding: 20px 12px 40px; }
  .topbar { padding: 12px; }
  .template-badge { display: none; }
  .hero { padding: 25px 21px; border-radius: 20px; }
  .hero h1 { font-size: 33px; }
  .steps { overflow-x: auto; }
  .step { min-width: 155px; }
  .upload-grid, .summary-grid { grid-template-columns: 1fr; }
  .upload-card { padding: 20px; }
  .rule-box { flex-direction: column; }
  .filters > select { flex: 1; }
  .bulk-actions { display: grid; grid-template-columns: 1fr 1fr; }
  .category-bar { align-items: stretch; flex-direction: column; }
  .category-select { max-width: none; }
}

.cover-wrap{display:flex;flex-direction:column;align-items:center;gap:4px;min-width:56px}
.cover-wrap small{font-size:9px;font-weight:800;letter-spacing:.04em;color:#5b2aa8;text-transform:uppercase}
.cover-placeholder.api-link{color:#5b2aa8;background:#f1eafd;border:1px dashed #8b5fd3;font-size:10px;line-height:1.15}

.import-report{margin:0 0 18px;padding:14px 16px;border:1px solid #d7c8f1;background:#f7f2ff;border-radius:14px;color:#3e245f;font-size:14px;line-height:1.45}.import-report strong{color:#4b1d87}

.book-physical { margin-top: 5px; font-size: 10px; color: #6f667c; line-height: 1.35; }

.upload-help{display:block;margin-top:10px;color:#6f657c;line-height:1.35}.metadata-clear{margin-top:10px}.metadata-clear.hidden{display:none}.file-status.multi{white-space:normal;line-height:1.45}.source-note{margin-top:4px;font-size:11px;color:#6f657c}.import-warning{margin-top:8px;padding:9px 11px;border-radius:9px;background:#fff4e8;color:#9a4a00;font-weight:700}