:root {
  color-scheme: light;
  --ink: #172421;
  --muted: #61716d;
  --border: #d8e1de;
  --surface: #ffffff;
  --wash: #f3f7f6;
  --brand: #176b5b;
  --brand-dark: #0f4c41;
  --accent: #d7f4ea;
  --warning: #8a5a00;
  --warning-bg: #fff3d4;
  --danger: #a33a32;
  --danger-bg: #fff0ee;
  --success: #1e6a42;
  --success-bg: #e5f5eb;
  --shadow: 0 18px 46px rgba(17, 47, 42, 0.1);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { background: var(--wash); color: var(--ink); }
body { margin: 0; min-width: 320px; min-height: 100vh; }
button, input, select, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
a { color: var(--brand-dark); }

.skip-link { position: fixed; left: 1rem; top: -5rem; z-index: 20; background: #fff; padding: .75rem 1rem; border-radius: .5rem; }
.skip-link:focus { top: 1rem; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
[hidden] { display: none !important; }

.login-layout { min-height: 100vh; display: grid; grid-template-columns: 1fr 1fr; }
.login-brand { padding: clamp(3rem, 8vw, 8rem); background: linear-gradient(145deg, #102f2a, #176b5b); color: white; display: flex; flex-direction: column; justify-content: space-between; }
.login-brand .mark { font-size: clamp(4rem, 11vw, 9rem); line-height: .9; font-weight: 850; letter-spacing: -.08em; }
.login-brand p { max-width: 28rem; font-size: 1.35rem; line-height: 1.45; color: #d8eee8; }
.login-panel { display: grid; place-items: center; padding: 2rem; }
.login-card { width: min(28rem, 100%); background: var(--surface); border: 1px solid var(--border); border-radius: 1.5rem; padding: clamp(1.5rem, 4vw, 2.5rem); box-shadow: var(--shadow); }
h1, h2, h3, p { margin-top: 0; }
h1 { margin-bottom: .75rem; font-size: clamp(2rem, 4vw, 3rem); letter-spacing: -.04em; line-height: 1.05; }
h2 { margin-bottom: .75rem; font-size: 1.65rem; letter-spacing: -.025em; }
h3 { font-size: 1.05rem; }
.eyebrow { margin-bottom: .6rem; color: var(--brand); font-size: .78rem; font-weight: 800; letter-spacing: .09em; text-transform: uppercase; }
.muted { color: var(--muted); line-height: 1.6; }
label { display: block; margin: 1.1rem 0 .45rem; font-size: .88rem; font-weight: 750; }
input, select, textarea { width: 100%; border: 1px solid #bdcbc7; border-radius: .7rem; background: #fff; color: var(--ink); padding: .8rem .9rem; min-height: 46px; }
textarea { min-height: 110px; resize: vertical; line-height: 1.5; }
input:focus, select:focus, textarea:focus, button:focus-visible, a:focus-visible { outline: 3px solid rgba(23,107,91,.25); outline-offset: 2px; border-color: var(--brand); }
.security-note { margin: 1.2rem 0 0; padding-top: 1.2rem; border-top: 1px solid var(--border); color: var(--muted); font-size: .82rem; line-height: 1.5; }
.form-error { margin: .8rem 0 0; padding: .75rem; border-radius: .65rem; background: var(--danger-bg); color: var(--danger); font-weight: 650; }

.button { min-height: 44px; border: 1px solid transparent; border-radius: .65rem; padding: .68rem 1rem; font-weight: 750; cursor: pointer; transition: transform .12s ease, background .12s ease; }
.button:hover { transform: translateY(-1px); }
.button:disabled { cursor: not-allowed; opacity: .55; transform: none; }
.button.primary { background: var(--brand); color: #fff; }
.button.primary:hover { background: var(--brand-dark); }
.button.secondary { background: #fff; border-color: var(--border); color: var(--ink); }
.button.danger { background: var(--danger); color: #fff; }
.button.quiet { background: transparent; border-color: var(--border); color: inherit; }
.button.full { width: 100%; margin-top: 1.2rem; }

.topbar { position: sticky; top: 0; z-index: 10; min-height: 72px; display: flex; align-items: center; gap: 2rem; padding: .75rem max(1rem, calc((100vw - 1180px) / 2)); border-bottom: 1px solid var(--border); background: rgba(255,255,255,.96); backdrop-filter: blur(12px); }
.brand { display: flex; align-items: center; gap: .7rem; min-width: 260px; color: var(--ink); text-decoration: none; }
.brand-mark { display: grid; place-items: center; width: 54px; height: 46px; border-radius: .65rem; background: var(--brand-dark); color: #fff; font-size: .78rem; font-weight: 850; letter-spacing: -.04em; }
.brand-copy { display: flex; flex-direction: column; }
.brand-copy small { color: var(--muted); font-size: .72rem; margin-top: .15rem; }
.topbar nav { display: flex; align-self: stretch; gap: .25rem; }
.nav-button { min-height: 44px; border: 0; border-radius: .6rem; background: transparent; color: var(--muted); font-weight: 750; padding: 0 1rem; cursor: pointer; }
.nav-button.active { background: var(--accent); color: var(--brand-dark); }
.account { margin-left: auto; display: flex; align-items: center; gap: .75rem; }
#account-name { color: var(--muted); font-size: .86rem; }

#app-main { width: min(1180px, calc(100% - 2rem)); min-height: calc(100vh - 140px); margin: 0 auto; padding: clamp(2rem, 6vw, 4.5rem) 0; }
#app-main:focus { outline: none; }
.page-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 1rem; margin-bottom: 1.6rem; }
.page-head p { max-width: 44rem; }
.hero { max-width: 760px; margin: 0 auto; padding-top: clamp(1rem, 6vw, 4rem); text-align: center; }
.hero .eyebrow { justify-content: center; }
.hero p { font-size: 1.08rem; }
.search-box { margin: 2rem auto 0; padding: .7rem; display: grid; grid-template-columns: 1fr auto; gap: .6rem; border: 1px solid var(--border); border-radius: 1rem; background: var(--surface); box-shadow: var(--shadow); }
.search-box input { min-height: 54px; border: 0; font-size: 1.08rem; }
.search-box input:focus { outline: none; }
.search-box .button { min-width: 112px; }
.examples { display: flex; flex-wrap: wrap; justify-content: center; gap: .5rem; margin-top: 1.3rem; }
.example { min-height: 44px; border: 1px solid var(--border); border-radius: 999px; background: rgba(255,255,255,.7); padding: .55rem .9rem; color: var(--brand-dark); cursor: pointer; }

.search-layout { display: grid; grid-template-columns: 230px 1fr; gap: 1.5rem; align-items: start; }
.filters, .panel { border: 1px solid var(--border); border-radius: 1rem; background: var(--surface); padding: 1.25rem; }
.filters { position: sticky; top: 94px; }
.filters h2 { font-size: 1rem; }
.filters .button { width: 100%; margin-top: 1rem; }
.result-meta { display: flex; justify-content: space-between; align-items: center; margin-bottom: .8rem; color: var(--muted); font-size: .9rem; }
.results { display: grid; gap: .8rem; }
.result-card { display: grid; grid-template-columns: 1fr auto; gap: 1rem; border: 1px solid var(--border); border-radius: .9rem; background: var(--surface); padding: 1.2rem; transition: border-color .12s ease, transform .12s ease; }
.result-card:hover { border-color: #9bb8b1; transform: translateY(-1px); }
.result-card h2 { margin: .25rem 0 .55rem; font-size: 1.2rem; }
.result-card h2 a { color: var(--ink); text-decoration: none; }
.result-card p { margin-bottom: .65rem; line-height: 1.55; }
.result-card .open { align-self: center; white-space: nowrap; }
.record-id { color: var(--brand); font-size: .78rem; font-weight: 850; letter-spacing: .07em; }
.meta-row { display: flex; flex-wrap: wrap; gap: .45rem; align-items: center; }
.tag, .status { display: inline-flex; align-items: center; min-height: 28px; border-radius: 999px; padding: .3rem .6rem; font-size: .76rem; font-weight: 750; }
.tag { background: var(--wash); color: var(--muted); }
.status.active, .status.verified, .classification.create { background: var(--success-bg); color: var(--success); }
.status.review, .status.pending, .classification.update { background: var(--warning-bg); color: var(--warning); }
.status.archived, .status.unverified, .classification.invalid { background: var(--danger-bg); color: var(--danger); }
.classification.duplicate { background: #edf0f4; color: #4e5e70; }

.record-top { display: grid; grid-template-columns: 1fr auto; gap: 1.5rem; align-items: start; margin-bottom: 1.4rem; }
.back-link { display: inline-flex; min-height: 44px; align-items: center; margin-bottom: 1rem; text-decoration: none; font-weight: 700; }
.record-grid { display: grid; grid-template-columns: minmax(0, 1.6fr) minmax(280px, .7fr); gap: 1.2rem; align-items: start; }
.section-card { border: 1px solid var(--border); border-radius: 1rem; background: var(--surface); padding: 1.3rem; margin-bottom: 1rem; }
.section-card > h2 { font-size: 1.12rem; margin-bottom: 1rem; }
.summary { font-size: 1.05rem; line-height: 1.65; }
.info-list { display: grid; gap: .8rem; }
.info-card { padding: 1rem; border-radius: .8rem; background: var(--wash); }
.info-card p { line-height: 1.55; }
.info-source { display: flex; flex-wrap: wrap; gap: .45rem .9rem; color: var(--muted); font-size: .8rem; }
.relation { width: 100%; min-height: 52px; display: flex; justify-content: space-between; align-items: center; gap: .8rem; margin-bottom: .55rem; border: 1px solid var(--border); border-radius: .7rem; background: #fff; padding: .7rem .8rem; text-align: left; cursor: pointer; }
.relation small { color: var(--muted); }
.history-list { display: grid; gap: .65rem; }
.history-item { padding-left: 1rem; border-left: 3px solid #b6d7ce; }
.history-item p { margin-bottom: .25rem; line-height: 1.45; overflow-wrap: anywhere; }
.history-item small { color: var(--muted); }
.empty { border: 1px dashed #bac9c5; border-radius: .9rem; padding: 2rem; text-align: center; color: var(--muted); background: rgba(255,255,255,.55); }

.dropzone { border: 1.5px dashed #9fb5af; border-radius: 1rem; padding: 2rem; background: var(--wash); text-align: center; }
.dropzone input { max-width: 500px; margin: 1rem auto; background: #fff; }
.dropzone .actions { display: flex; justify-content: center; gap: .6rem; flex-wrap: wrap; }
.danger-zone { margin-top: 2rem; padding: 1.25rem; border: 1px solid #e5b8b3; border-radius: 1rem; background: var(--danger-bg); }
.danger-zone h2 { font-size: 1.1rem; margin-bottom: .35rem; color: var(--danger); }
.danger-zone p { margin-bottom: .5rem; }
.reset-actions { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: .6rem; }
.import-summary { display: grid; grid-template-columns: repeat(4, 1fr); gap: .8rem; margin: 1.2rem 0; }
.summary-tile { padding: 1rem; border: 1px solid var(--border); border-radius: .8rem; background: #fff; }
.summary-tile strong { display: block; margin-top: .3rem; font-size: 1.55rem; }
.table-scroll { overflow-x: auto; border: 1px solid var(--border); border-radius: .8rem; }
table { width: 100%; border-collapse: collapse; background: #fff; font-size: .86rem; }
th, td { padding: .75rem; border-bottom: 1px solid var(--border); text-align: left; vertical-align: top; }
th { background: var(--wash); color: var(--muted); font-size: .75rem; text-transform: uppercase; letter-spacing: .04em; }
tr:last-child td { border-bottom: 0; }
.preview-actions { display: flex; align-items: center; justify-content: space-between; gap: 1rem; margin-top: 1rem; }
.success-banner { padding: 1rem; border-radius: .8rem; background: var(--success-bg); color: var(--success); font-weight: 700; }
.skeleton { min-height: 120px; border-radius: .9rem; background: linear-gradient(90deg, #edf2f0, #f8faf9, #edf2f0); background-size: 200% 100%; animation: shimmer 1.4s infinite; }
@keyframes shimmer { to { background-position: -200% 0; } }

dialog { width: min(760px, calc(100% - 2rem)); max-height: calc(100vh - 2rem); border: 0; border-radius: 1.2rem; padding: 0; box-shadow: 0 28px 80px rgba(6,30,25,.28); }
dialog::backdrop { background: rgba(12,31,27,.55); backdrop-filter: blur(3px); }
dialog form { padding: 1.4rem; overflow-y: auto; max-height: calc(100vh - 2rem); }
.dialog-header { display: flex; justify-content: space-between; gap: 1rem; align-items: flex-start; position: sticky; top: -1.4rem; z-index: 2; margin: -1.4rem -1.4rem 1rem; padding: 1.4rem; background: #fff; border-bottom: 1px solid var(--border); }
.icon-button { width: 44px; height: 44px; border: 1px solid var(--border); border-radius: .6rem; background: #fff; font-size: 1.5rem; cursor: pointer; }
.dialog-actions { position: sticky; bottom: -1.4rem; display: flex; justify-content: flex-end; gap: .6rem; margin: 1.5rem -1.4rem -1.4rem; padding: 1rem 1.4rem; border-top: 1px solid var(--border); background: #fff; }
.item-editor { margin-top: 1rem; padding: 1rem; border: 1px solid var(--border); border-radius: .8rem; background: var(--wash); }
.item-editor-grid { display: grid; grid-template-columns: 1fr 160px; gap: 0 .8rem; }
footer { min-height: 64px; display: flex; justify-content: space-between; align-items: center; gap: 1rem; padding: 0 max(1rem, calc((100vw - 1180px) / 2)); border-top: 1px solid var(--border); color: var(--muted); font-size: .78rem; background: #fff; }

@media (max-width: 820px) {
  .login-layout { grid-template-columns: 1fr; }
  .login-brand { min-height: 220px; padding: 2rem; }
  .login-brand .mark { font-size: 4rem; }
  .topbar { flex-wrap: wrap; gap: .5rem 1rem; padding: .7rem 1rem; }
  .brand { min-width: 0; flex: 1; }
  .brand-copy small, #account-name { display: none; }
  .topbar nav { order: 3; width: 100%; }
  .nav-button { flex: 1; }
  .search-layout, .record-grid { grid-template-columns: 1fr; }
  .filters { position: static; display: grid; grid-template-columns: 1fr 1fr; gap: 0 .7rem; }
  .filters h2, .filters .button { grid-column: 1 / -1; }
  .import-summary { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 560px) {
  #app-main { width: min(100% - 1.25rem, 1180px); padding: 1.5rem 0 2.5rem; }
  .brand-copy strong { font-size: .9rem; }
  .account .button { padding-inline: .7rem; }
  .hero { text-align: left; padding-top: 1rem; }
  .hero .eyebrow, .examples { justify-content: flex-start; }
  .search-box { grid-template-columns: 1fr; }
  .search-box .button { width: 100%; }
  .result-card, .record-top { grid-template-columns: 1fr; }
  .result-card .open { width: 100%; }
  .page-head { display: block; }
  .page-head .button { width: 100%; margin-bottom: 1rem; }
  .filters { grid-template-columns: 1fr; }
  .filters h2, .filters .button { grid-column: auto; }
  .import-summary { grid-template-columns: 1fr 1fr; }
  .preview-actions { align-items: stretch; flex-direction: column; }
  .reset-actions { grid-template-columns: 1fr; }
  .preview-actions .button { width: 100%; }
  .item-editor-grid { grid-template-columns: 1fr; }
  footer { flex-direction: column; align-items: flex-start; justify-content: center; padding-block: 1rem; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}