:root {
  --paper: #f4f1e9;
  --paper-deep: #e9e4d8;
  --surface: rgba(255, 254, 249, 0.9);
  --surface-solid: #fffef9;
  --ink: #1c2c25;
  --muted: #65736c;
  --faint: #929c96;
  --forest: #245946;
  --forest-dark: #173d30;
  --sage: #97b2a4;
  --apricot: #d98662;
  --line: rgba(33, 64, 51, 0.14);
  --line-strong: rgba(33, 64, 51, 0.24);
  --danger: #a84d42;
  --shadow: 0 24px 70px rgba(43, 53, 47, 0.09);
  --radius-lg: 28px;
  --radius-md: 17px;
  --display: "STZhongsong", "Songti SC", "Noto Serif SC", serif;
  --body: "Aptos", "Noto Sans SC", "Source Han Sans SC", "Microsoft YaHei UI", sans-serif;
}

* { box-sizing: border-box; }
html { min-width: 320px; background: var(--paper); }
body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--body);
  -webkit-font-smoothing: antialiased;
}
button, input, select { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
a { color: inherit; }
.is-hidden { display: none !important; }

.page-atmosphere { position: fixed; inset: 0; z-index: -1; overflow: hidden; pointer-events: none; }
.orb { position: absolute; border-radius: 50%; filter: blur(1px); opacity: 0.58; }
.orb-one { width: 34rem; height: 34rem; top: -18rem; right: -10rem; background: radial-gradient(circle, rgba(151,178,164,.55), rgba(151,178,164,0) 68%); }
.orb-two { width: 28rem; height: 28rem; bottom: -17rem; left: -9rem; background: radial-gradient(circle, rgba(217,134,98,.2), rgba(217,134,98,0) 70%); }
.ledger-lines { position: absolute; inset: 0; opacity: .35; background-image: linear-gradient(rgba(36,89,70,.035) 1px, transparent 1px); background-size: 100% 32px; }

.site-header {
  width: min(1440px, calc(100% - 64px));
  min-height: 88px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
}
.brand { display: inline-flex; align-items: center; gap: 13px; text-decoration: none; }
.brand-mark { width: 42px; height: 42px; display: grid; place-items: center; color: #fffdf6; background: var(--forest); border-radius: 50% 50% 48% 52% / 44% 48% 52% 56%; font-family: var(--display); font-size: 20px; box-shadow: 0 7px 20px rgba(36,89,70,.22); }
.brand strong { display: block; font-family: var(--display); font-size: 19px; letter-spacing: .04em; }
.brand small { display: block; margin-top: 3px; color: var(--faint); font-size: 9px; letter-spacing: .25em; }
.header-actions { display: flex; align-items: center; gap: 20px; }
.quiet-label { color: var(--muted); font-size: 13px; }
.text-link, .site-footer a { color: var(--forest); font-size: 13px; text-decoration: none; border-bottom: 1px solid transparent; transition: border-color .2s ease, color .2s ease; }
.text-link:hover, .site-footer a:hover { color: var(--forest-dark); border-color: currentColor; }

.page-shell { width: min(1320px, calc(100% - 64px)); min-height: calc(100vh - 166px); margin: 0 auto; padding: 72px 0 48px; }
.auth-layout { min-height: 620px; display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(360px, .68fr); align-items: center; gap: clamp(64px, 10vw, 150px); animation: rise-in .55s ease both; }
.auth-story { max-width: 680px; }
.eyebrow { margin: 0 0 17px; color: var(--forest); font-size: 11px; font-weight: 700; letter-spacing: .2em; text-transform: uppercase; }
.auth-story h1, .workspace-heading h1 { margin: 0; font-family: var(--display); font-weight: 600; line-height: 1.14; letter-spacing: -.025em; }
.auth-story h1 { font-size: clamp(44px, 5.4vw, 76px); }
.auth-story > p:not(.eyebrow) { max-width: 590px; margin: 28px 0 0; color: var(--muted); font-size: 17px; line-height: 1.9; }
.principle-row { display: flex; gap: 28px; margin-top: 40px; color: var(--forest); font-size: 13px; }
.principle-row span { position: relative; padding-left: 17px; }
.principle-row span::before { content: ""; position: absolute; left: 0; top: .45em; width: 7px; height: 7px; border: 1px solid var(--apricot); border-radius: 50%; }

.auth-card, .admin-card {
  position: relative;
  padding: 42px;
  overflow: hidden;
  background: var(--surface);
  border: 1px solid rgba(255,255,255,.72);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
}
.auth-card::before, .admin-card::before { content: ""; position: absolute; inset: 0 0 auto; height: 3px; background: linear-gradient(90deg, var(--forest), var(--sage) 70%, transparent); }
.card-index { position: absolute; top: 28px; right: 30px; color: rgba(36,89,70,.17); font-family: var(--display); font-size: 52px; line-height: 1; }
.auth-card h2, .admin-card h2, .results-toolbar h2 { margin: 0; font-family: var(--display); font-size: 29px; font-weight: 600; }
.form-intro { margin: 12px 0 28px; color: var(--muted); font-size: 14px; line-height: 1.75; }
.field, .filter-grid label { display: grid; gap: 9px; }
.field > span, .search-field > span, .type-field > span, .filter-grid label > span { color: var(--muted); font-size: 12px; font-weight: 600; letter-spacing: .04em; }
input, select {
  width: 100%;
  height: 49px;
  padding: 0 15px;
  color: var(--ink);
  background: rgba(255,255,255,.76);
  border: 1px solid var(--line-strong);
  border-radius: 12px;
  outline: none;
  transition: border-color .2s ease, box-shadow .2s ease, background .2s ease;
}
input:focus, select:focus { background: #fff; border-color: var(--forest); box-shadow: 0 0 0 4px rgba(36,89,70,.09); }
input::placeholder { color: #a3aaa5; }
.form-error { min-height: 21px; margin: 10px 0 5px; color: var(--danger); font-size: 13px; }

.button { min-height: 45px; padding: 0 20px; border: 0; border-radius: 12px; cursor: pointer; font-weight: 650; transition: transform .18s ease, background .2s ease, box-shadow .2s ease, opacity .2s ease; }
.button:hover:not(:disabled) { transform: translateY(-1px); }
.button:disabled { cursor: wait; opacity: .62; }
.button-primary { display: inline-flex; align-items: center; justify-content: space-between; gap: 16px; color: #fffdf6; background: var(--forest); box-shadow: 0 10px 24px rgba(36,89,70,.18); }
.button-primary:hover:not(:disabled) { background: var(--forest-dark); box-shadow: 0 13px 28px rgba(36,89,70,.24); }
.button-secondary { color: var(--forest); background: #edf3ef; border: 1px solid rgba(36,89,70,.16); }
.button-quiet { min-height: 36px; color: var(--muted); background: transparent; border: 1px solid var(--line); font-size: 12px; }
.button-wide { width: 100%; margin-top: 6px; }
.text-button { padding: 0; color: var(--forest); background: none; border: 0; cursor: pointer; font-size: 12px; }

.workspace { animation: rise-in .5s ease both; }
.workspace-heading { display: flex; align-items: end; justify-content: space-between; gap: 36px; margin-bottom: 38px; }
.workspace-heading h1 { font-size: clamp(38px, 4vw, 58px); }
.workspace-heading > div:first-child > p:last-child { margin: 12px 0 0; color: var(--muted); }
.status-card { min-width: 280px; display: flex; align-items: center; gap: 13px; padding: 15px 18px; background: rgba(255,254,249,.64); border: 1px solid var(--line); border-radius: 15px; }
.status-dot { width: 10px; height: 10px; flex: none; background: #a5aaa7; border-radius: 50%; box-shadow: 0 0 0 5px rgba(165,170,167,.13); }
.status-dot.online { background: #3f8a68; box-shadow: 0 0 0 5px rgba(63,138,104,.13); }
.status-dot.offline { background: var(--apricot); box-shadow: 0 0 0 5px rgba(217,134,98,.14); }
.status-card strong, .status-card small { display: block; }
.status-card strong { font-size: 14px; }
.status-card small { margin-top: 5px; color: var(--muted); font-size: 11px; }

.search-ribbon { display: grid; grid-template-columns: minmax(260px, 1fr) 180px 150px; align-items: end; gap: 14px; padding: 22px; background: var(--surface-solid); border: 1px solid var(--line); border-radius: 20px; box-shadow: 0 16px 44px rgba(43,53,47,.06); }
.search-field, .type-field { display: grid; gap: 8px; }
.search-button { height: 49px; }
.search-message { min-height: 28px; padding: 9px 4px 0; color: var(--muted); font-size: 13px; }
.search-message.error { color: var(--danger); }
.search-message.loading::before { content: ""; display: inline-block; width: 8px; height: 8px; margin-right: 9px; background: var(--apricot); border-radius: 50%; animation: pulse 1s ease infinite; }

.results { margin-top: 34px; }
.results-toolbar { display: flex; justify-content: space-between; align-items: end; padding: 0 4px 20px; }
.results-toolbar p:last-child { margin: 8px 0 0; color: var(--muted); font-size: 13px; }
.freshness-stamp { min-width: 180px; text-align: right; }
.freshness-stamp span, .freshness-stamp strong { display: block; }
.freshness-stamp span { color: var(--faint); font-size: 11px; letter-spacing: .08em; }
.freshness-stamp strong { margin-top: 5px; color: var(--forest); font-size: 13px; }

.stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.stat-grid article { position: relative; min-height: 128px; padding: 21px; background: rgba(255,254,249,.72); border: 1px solid var(--line); border-radius: 16px; overflow: hidden; }
.stat-grid article::after { content: ""; position: absolute; width: 46px; height: 46px; right: -18px; bottom: -18px; border: 1px solid rgba(217,134,98,.25); border-radius: 50%; }
.stat-grid span, .stat-grid strong, .stat-grid small { display: block; }
.stat-grid span { color: var(--muted); font-size: 12px; }
.stat-grid strong { margin-top: 14px; font-family: var(--display); font-size: 28px; font-weight: 600; }
.stat-grid small { margin-top: 3px; color: var(--faint); font-size: 10px; }

.filter-panel { margin-top: 12px; padding: 18px 20px 20px; background: rgba(255,254,249,.6); border: 1px solid var(--line); border-radius: 16px; }
.filter-heading { display: flex; justify-content: space-between; margin-bottom: 14px; font-size: 13px; }
.filter-grid { display: grid; grid-template-columns: repeat(7, minmax(120px, 1fr)); gap: 10px; }
.filter-grid input, .filter-grid select { height: 42px; padding: 0 11px; font-size: 12px; border-radius: 10px; }
.sort-field { grid-column: span 1; }

.table-shell { margin-top: 12px; padding: 8px; background: var(--surface-solid); border: 1px solid var(--line); border-radius: 18px; box-shadow: 0 18px 52px rgba(43,53,47,.055); }
.table-scroll { max-height: min(66vh, 760px); overflow: auto; border-radius: 12px; scrollbar-color: var(--sage) transparent; }
table { width: 100%; min-width: 900px; border-collapse: collapse; }
thead { position: sticky; top: 0; z-index: 2; background: #eef1eb; }
th { padding: 15px 16px; color: #56645d; font-size: 11px; text-align: left; letter-spacing: .06em; }
td { padding: 17px 16px; border-top: 1px solid rgba(33,64,51,.09); color: #425049; font-size: 13px; vertical-align: middle; }
tbody tr { transition: background .18s ease; }
tbody tr:hover { background: rgba(151,178,164,.08); }
.product-link, .supplier-link { color: var(--ink); font-weight: 650; text-decoration: none; border-bottom: 1px solid rgba(36,89,70,.24); }
.product-link:hover, .supplier-link:hover { color: var(--forest); border-color: var(--forest); }
.subtle { display: block; margin-top: 5px; color: var(--faint); font-size: 10px; }
.price-cell { color: var(--forest); font-family: var(--display); font-size: 17px; font-weight: 700; }
.stock-value { font-variant-numeric: tabular-nums; }
.badge { display: inline-flex; align-items: center; min-height: 25px; padding: 0 9px; border-radius: 999px; font-size: 11px; }
.badge.good { color: #2f6d50; background: #e5f1e9; }
.badge.warn { color: #99533d; background: #faece6; }
.badge.neutral { color: #69736e; background: #eceeeb; }
.empty-table { padding: 68px 20px; color: var(--muted); text-align: center; font-size: 14px; }

.admin-workspace { max-width: 1120px; margin: 0 auto; }
.admin-grid { display: grid; grid-template-columns: .95fr 1.05fr; gap: 20px; }
.admin-card { min-height: 440px; }
.status-ledger dl { margin: 27px 0 30px; }
.status-ledger dl div { display: grid; grid-template-columns: 125px 1fr; gap: 15px; padding: 14px 0; border-bottom: 1px solid var(--line); }
.status-ledger dt { color: var(--muted); font-size: 12px; }
.status-ledger dd { margin: 0; font-size: 13px; text-align: right; overflow-wrap: anywhere; }
.session-result { margin: 26px 0 0; padding: 14px 16px; border: 1px solid var(--line); border-radius: 14px; color: var(--muted); background: rgba(255,255,255,.5); font-size: 13px; line-height: 1.65; }
.session-result.success { color: var(--forest-dark); border-color: rgba(36,89,70,.2); background: #edf5f0; }
.session-result.error { color: #8b4537; border-color: rgba(151,72,54,.16); background: #fbf1ed; }
.verification-steps { display: grid; gap: 10px; margin: 0 0 24px; padding: 0; list-style: none; }
.verification-steps li { display: grid; grid-template-columns: 30px 1fr; gap: 12px; align-items: center; padding: 11px 13px; border: 1px solid var(--line); border-radius: 13px; background: rgba(255,255,255,.42); }
.verification-steps li > span { display: grid; width: 28px; height: 28px; place-items: center; color: var(--forest); border: 1px solid rgba(36,89,70,.24); border-radius: 50%; font-family: var(--display); font-size: 13px; }
.verification-steps li div { display: grid; gap: 3px; }
.verification-steps strong { font-size: 13px; font-weight: 650; }
.verification-steps small { color: var(--muted); font-size: 11px; line-height: 1.45; }
.verification-session { margin-top: 16px; padding: 17px; border: 1px solid rgba(36,89,70,.19); border-radius: 16px; background: linear-gradient(145deg, #eef5f1, rgba(255,255,255,.72)); }
.verification-live { display: flex; align-items: center; gap: 9px; margin-bottom: 15px; color: var(--forest-dark); font-size: 13px; }
.verification-live > span { width: 8px; height: 8px; border-radius: 50%; background: #3f8e69; box-shadow: 0 0 0 5px rgba(63,142,105,.1); animation: pulse 1.8s infinite; }
.verification-session > p { margin: 0 0 6px; color: var(--muted); font-size: 11px; }
.verification-session code { display: block; padding: 10px 12px; color: var(--forest-dark); border: 1px dashed rgba(36,89,70,.28); border-radius: 10px; background: rgba(255,255,255,.72); font-size: 14px; letter-spacing: .08em; user-select: all; }
.verification-session > small { display: block; margin-top: 8px; color: var(--faint); font-size: 10px; }
.verification-actions { display: grid; grid-template-columns: auto 1fr; gap: 10px; margin-top: 16px; }
.verification-actions .text-button { grid-column: 1 / -1; justify-self: start; }

.site-footer { width: min(1320px, calc(100% - 64px)); min-height: 78px; margin: 0 auto; display: flex; align-items: center; gap: 15px; color: var(--faint); border-top: 1px solid var(--line); font-size: 11px; }
.footer-rule { width: 34px; height: 1px; background: var(--line-strong); }
.site-footer a { color: var(--faint); font-size: 11px; }
.toast { position: fixed; top: 20px; left: 50%; z-index: 20; max-width: min(90vw, 480px); padding: 12px 18px; color: #fff; background: var(--forest-dark); border-radius: 12px; box-shadow: 0 12px 30px rgba(23,61,48,.22); opacity: 0; transform: translate(-50%, -16px); pointer-events: none; transition: opacity .2s ease, transform .2s ease; font-size: 13px; }
.toast.show { opacity: 1; transform: translate(-50%, 0); }

@keyframes rise-in { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: translateY(0); } }
@keyframes pulse { 50% { opacity: .35; transform: scale(.8); } }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; transition-duration: .01ms !important; } }

@media (max-width: 1100px) {
  .filter-grid { grid-template-columns: repeat(4, 1fr); }
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 860px) {
  .site-header, .page-shell, .site-footer { width: min(100% - 32px, 1320px); }
  .page-shell { padding-top: 38px; }
  .auth-layout { min-height: auto; grid-template-columns: 1fr; gap: 42px; }
  .auth-story { max-width: none; }
  .auth-story h1 { font-size: clamp(38px, 10vw, 58px); }
  .auth-card { max-width: 560px; }
  .workspace-heading { align-items: stretch; flex-direction: column; }
  .status-card { min-width: 0; }
  .search-ribbon { grid-template-columns: 1fr 170px; }
  .search-button { grid-column: 1 / -1; }
  .admin-grid { grid-template-columns: 1fr; }
  .filter-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 580px) {
  .site-header { min-height: 72px; }
  .brand strong { font-size: 16px; }
  .brand small, .quiet-label { display: none; }
  .header-actions { gap: 12px; }
  .page-shell { min-height: calc(100vh - 142px); }
  .auth-card, .admin-card { padding: 32px 22px; border-radius: 22px; }
  .auth-story > p:not(.eyebrow) { font-size: 15px; }
  .principle-row { gap: 12px; flex-wrap: wrap; }
  .search-ribbon { grid-template-columns: 1fr; padding: 16px; }
  .search-button { grid-column: auto; }
  .results-toolbar { align-items: start; flex-direction: column; gap: 12px; }
  .freshness-stamp { min-width: 0; text-align: left; }
  .stat-grid { grid-template-columns: 1fr 1fr; }
  .stat-grid article { min-height: 112px; padding: 16px; }
  .filter-grid { grid-template-columns: 1fr 1fr; }
  .filter-grid .sort-field { grid-column: 1 / -1; }
  .status-ledger dl div { grid-template-columns: 105px 1fr; }
  .verification-actions { grid-template-columns: 1fr; }
  .verification-actions .text-button { grid-column: auto; }
  .site-footer { min-height: 70px; flex-wrap: wrap; gap: 10px; }
}