/* ==========================================================================
   OneMine — MVP stylesheet
   Palette / type derived from "OneMine Redesign v6 gold" design canvas.
   ========================================================================== */

@import url("https://fonts.googleapis.com/css2?family=Public+Sans:ital,wght@0,400;0,500;0,600;0,700;1,400&family=Literata:ital,opsz,wght@0,7..72,400;0,7..72,600;0,7..72,700;1,7..72,400&family=IBM+Plex+Mono:wght@400;500&display=swap");

:root {
  /* Brand navy */
  --navy-900: #0f2338;
  --navy-800: #16304b;
  --navy-700: #12395c;

  /* Ink */
  --ink-900: #101c2b;
  --ink-800: #16283a;
  --ink-700: #2c3c4f;
  --ink-600: #33424f;
  --ink-500: #46566a;
  --ink-400: #8a97a6;

  /* Link blue */
  --blue-600: #0d5580;
  --blue-500: #0f6ea8;

  /* Surfaces */
  --surface-page: #dfeaf3;
  --surface-card: #ffffff;
  --surface-sunken: #e8f0f7;
  --surface-chip: #e9f1f8;

  /* Lines */
  --line: #c9dae8;
  --line-soft: #dceaf4;
  --line-strong: #b9d0e2;

  /* Gold accent */
  --gold-500: #d8a72b;
  --gold-300: #f2cf7a;
  --amber-700: #8a6410;
  --amber-800: #8a5a1a;

  /* Status */
  --status-ready-bg: #fbf1d8;
  --status-ready-fg: #8a6410;
  --status-review-bg: #f7e4c8;
  --status-review-fg: #8a5a1a;
  --status-ai-bg: #efeaf9;
  --status-ai-fg: #54408c;
  --status-queued-bg: #eef2f6;
  --status-queued-fg: #46566a;

  --font-display: "Literata", Georgia, serif;
  --font-ui: "Public Sans", Helvetica, Arial, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, monospace;

  --radius-s: 6px;
  --radius-m: 8px;
  --radius-l: 10px;
  --radius-xl: 14px;
  --shadow-card: 0 1px 2px rgba(16,28,43,0.08), 0 18px 44px rgba(16,28,43,0.12);
  --shadow-modal: 0 24px 60px rgba(0,0,0,0.35);

  --container: 1280px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--surface-card);
  font-family: var(--font-ui);
  color: var(--ink-900);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; }
a { color: var(--blue-500); text-decoration: none; }
a:hover { text-decoration: underline; }
button { font-family: inherit; }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 40px;
}

.label {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-800);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-ui);
  font-size: 14px;
  font-weight: 600;
  padding: 11px 20px;
  border-radius: var(--radius-s);
  border: 1px solid transparent;
  cursor: pointer;
  white-space: nowrap;
}
.btn-gold { background: var(--gold-500); color: var(--ink-900); }
.btn-gold:hover { background: #cf9c22; text-decoration: none; }
.btn-outline { background: #fff; border-color: var(--navy-700); color: var(--navy-700); }
.btn-outline:hover { background: var(--surface-sunken); text-decoration: none; }
.btn-ghost { background: transparent; border: 1px solid var(--line-strong); color: var(--ink-600); }

/* ---------- Header ---------- */
.site-header {
  background: var(--navy-900);
  height: 60px;
  display: flex;
  align-items: center;
}
.site-header .container { display: flex; align-items: center; justify-content: space-between; gap: 24px; width: 100%; }
.site-header .brand { display: flex; align-items: center; gap: 36px; min-width: 0; flex: 1; }
.site-header .logo { height: 28px; display: block; flex: none; }
.site-header .logo-text { font-family: var(--font-display); font-weight: 600; font-size: 20px; color: #fff; flex: none; }
.site-nav { display: flex; gap: 26px; font-size: 14px; font-weight: 500; color: #cbd5e0; align-items: center; }
.site-nav a { color: #cbd5e0; }
.site-nav a:hover { color: #fff; text-decoration: none; }
.site-nav a.active { color: #fff; padding-bottom: 20px; border-bottom: 2px solid var(--gold-300); }
.site-header .right { display: flex; align-items: center; gap: 16px; font-size: 14px; color: #cbd5e0; flex: none; }
.login-trigger {
  border: 1px solid rgba(255,255,255,0.35);
  border-radius: var(--radius-s);
  padding: 8px 16px;
  color: #fff;
  font-weight: 600;
  font-size: 14px;
  background: transparent;
  cursor: pointer;
}
.login-trigger:hover { background: rgba(255,255,255,0.08); }
.header-search {
  flex: 1;
  max-width: 560px;
  display: flex;
  align-items: center;
  background: #fff;
  border-radius: var(--radius-m);
  height: 38px;
  padding: 0 14px;
  gap: 10px;
}
.header-search input {
  flex: 1; border: none; outline: none; font-size: 14px; color: var(--ink-900); font-family: var(--font-ui);
}
.header-search .icon { color: var(--ink-500); font-size: 15px; }
.hamburger { display: none; background: none; border: none; cursor: pointer; padding: 6px; flex-direction: column; gap: 4px; }
.hamburger span { width: 20px; height: 2px; background: #fff; display: block; }
.mobile-menu {
  display: none;
  flex-direction: column;
  background: var(--navy-900);
  padding: 6px 20px 18px;
}
.mobile-menu a, .mobile-menu button { color: #fff; font-size: 15px; padding: 12px 0; border-bottom: 1px solid rgba(255,255,255,0.12); background: none; border-left: none; border-right: none; border-top: none; text-align: left; }
.mobile-menu.open { display: flex; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--navy-900);
  padding: 36px 0;
  color: #9fb0c2;
  font-size: 14px;
  line-height: 1.7;
}
.site-footer .container { display: flex; justify-content: space-between; align-items: flex-start; gap: 40px; flex-wrap: wrap; }
.site-footer .brand-col { display: flex; flex-direction: column; align-items: flex-start; gap: 8px; }
.site-footer .brand-col .logo { height: 30px; width: auto; align-self: flex-start; flex: none; }
.site-footer .cols { display: flex; gap: 56px; flex-wrap: wrap; }
.site-footer .cols div { display: flex; flex-direction: column; gap: 6px; }
.site-footer .cols span.head { color: #fff; font-weight: 600; }
.site-footer .cols a { color: #9fb0c2; }
.site-footer .cols a:hover { color: #fff; }

/* ---------- Hero (home) ---------- */
.hero {
  position: relative;
  overflow: hidden;
  background: #0d2032;
  padding: 78px 40px 68px;
}
.hero::before {
  content: "";
  position: absolute; inset: 0;
  background-image: url("https://onemine.org/sites/onemine/images/photo-hero.jpg");
  background-size: cover; background-position: center;
}
.hero::after {
  content: "";
  position: absolute; inset: 0;
  background:
    repeating-linear-gradient(115deg, rgba(255,255,255,0.06) 0 2px, transparent 2px 18px),
    linear-gradient(180deg, rgba(9,22,36,0.55), rgba(9,22,36,0.78));
}
.hero-inner { position: relative; z-index: 1; max-width: 900px; margin: 0 auto; display: flex; flex-direction: column; align-items: center; gap: 26px; text-align: center; }
.hero h1 { font-family: var(--font-display); font-weight: 600; font-size: 46px; line-height: 1.12; color: #fff; margin: 0; text-wrap: balance; }
.hero h1 em { font-style: normal; color: var(--gold-300); }
.hero p.sub { font-size: 17px; line-height: 1.6; color: #b9c8d6; max-width: 680px; margin: 0; }
.hero-search-wrap { width: 100%; max-width: 760px; display: flex; flex-direction: column; gap: 12px; }
.hero-search { display: flex; align-items: center; background: #fff; border-radius: 10px; height: 60px; padding: 0 8px 0 20px; gap: 14px; }
.hero-search input { flex: 1; border: none; outline: none; font-size: 17px; color: var(--ink-600); font-family: var(--font-ui); }
.hero-search .icon { font-size: 19px; color: var(--ink-500); display: inline-flex; flex: none; }
.icon, .glyph { display: inline-flex; align-items: center; }
.icon svg, .glyph svg { display: block; }
.hero-fields { display: flex; gap: 20px; justify-content: center; font-size: 14px; color: #d3dde6; flex-wrap: wrap; }
.hero-fields .active { color: #fff; border-bottom: 2px solid var(--gold-500); padding-bottom: 2px; }
.hero-stats { font-family: var(--font-mono); font-size: 13px; color: #ccd8e3; letter-spacing: 0.04em; }

/* ---------- Sections ---------- */
.section { padding: 36px 40px; border-bottom: 1px solid var(--line); }
.section.tinted { background: var(--surface-page); }
.section-head { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 18px; gap: 12px; flex-wrap: wrap; }
.section-head h2 { font-size: 15px; font-weight: 700; margin: 0; font-family: var(--font-ui); }
.section-head a { font-size: 14px; }

.subject-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.subject-card { border: 1px solid var(--line); border-radius: 9px; padding: 16px 18px; display: flex; flex-direction: column; gap: 5px; background: #fff; cursor: pointer; text-align: left; }
.subject-card .name { font-size: 15px; font-weight: 600; color: var(--navy-700); }
.subject-card .count { font-size: 13px; color: var(--ink-500); }

.ad-slot { display: flex; flex-direction: column; align-items: center; gap: 8px; padding: 26px 40px 30px; border-bottom: 1px solid var(--line); }

.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.news-card { background: #fff; border: 1px solid var(--line); border-radius: 9px; overflow: hidden; }
.news-card img { width: 100%; height: 140px; object-fit: cover; display: block; }
.news-card .body { padding: 16px 18px 20px; display: flex; flex-direction: column; gap: 7px; }
.news-card .date { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.08em; color: var(--amber-700); }
.news-card h3 { font-family: var(--font-display); font-size: 18px; font-weight: 600; line-height: 1.3; color: var(--navy-700); margin: 0; }
.news-card p { font-size: 14px; line-height: 1.55; color: var(--ink-500); margin: 0; text-wrap: pretty; }

.society-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; }
.society-tile { height: 88px; border-radius: 8px; display: flex; align-items: center; justify-content: center; padding: 14px 20px; background: #fff; }
.society-tile img { max-width: 100%; max-height: 100%; object-fit: contain; }

/* ---------- Chips / pills / badges ---------- */
.chip {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--surface-chip); border: 1px solid #cddeeb; color: var(--blue-600);
  font-size: 13px; padding: 6px 12px; border-radius: 999px;
}
.chip button { background: none; border: none; color: inherit; cursor: pointer; font-size: 13px; padding: 0; line-height: 1; }
.pill-toggle {
  font-size: 13px; font-weight: 500; color: var(--ink-600);
  border: 1px solid var(--line-strong); border-radius: 999px; padding: 7px 13px;
  background: #fff; cursor: pointer;
}
.pill-toggle.active { background: var(--navy-700); border-color: var(--navy-700); color: #fff; }
.badge { font-size: 12px; font-weight: 600; padding: 4px 9px; border-radius: 4px; display: inline-block; }
.badge-access { background: var(--surface-chip); color: var(--blue-600); }
.badge-purchase { background: var(--surface-sunken); color: var(--ink-600); }
.badge-ready { background: var(--status-ready-bg); color: var(--status-ready-fg); }
.badge-review { background: var(--status-review-bg); color: var(--status-review-fg); }
.badge-ai { background: var(--status-ai-bg); color: var(--status-ai-fg); }
.badge-queued { background: var(--status-queued-bg); color: var(--status-queued-fg); }

/* ---------- Search results layout ---------- */
.search-topbar { background: var(--navy-800); padding: 18px 40px 20px; }
.search-topbar .row { display: flex; gap: 12px; align-items: center; }
.search-topbar .field { flex: 1; display: flex; align-items: center; background: #fff; border-radius: var(--radius-m); padding: 0 6px 0 16px; height: 48px; }
.search-topbar .field input { flex: 1; border: none; outline: none; font-size: 16px; color: var(--ink-900); font-family: var(--font-ui); }
.search-topbar .field .icon { font-size: 16px; color: var(--ink-500); margin-right: 12px; }
.search-topbar .links { display: flex; gap: 18px; margin-top: 12px; font-size: 13px; color: #9fb0c2; }

.search-page { background: var(--surface-page); }
.search-layout { display: flex; align-items: flex-start; gap: 32px; padding: 28px 40px 44px; }
.facet-rail { width: 264px; flex: none; display: flex; flex-direction: column; gap: 22px; }
.facet-rail-head { display: flex; align-items: baseline; justify-content: space-between; }
.facet-rail-head span:first-child { font-size: 14px; font-weight: 700; }
.facet-group { display: flex; flex-direction: column; gap: 10px; padding-bottom: 20px; border-bottom: 1px solid var(--line); }
.facet-group-title { display: flex; align-items: center; justify-content: space-between; font-size: 12px; font-family: var(--font-mono); font-weight: 500; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-800); }
.facet-option { display: flex; align-items: center; gap: 10px; font-size: 14px; color: var(--ink-700); cursor: pointer; padding: 3px 0; background: none; border: none; text-align: left; width: 100%; }
.facet-option .box { width: 15px; height: 15px; border-radius: 3px; border: 1.5px solid var(--line-strong); flex: none; background: #fff; display: flex; align-items: center; justify-content: center; font-size: 11px; color: var(--ink-900); }
.facet-option.checked .box { background: var(--gold-500); border-color: var(--gold-500); }
.facet-option .name { flex: 1; }
.facet-option .count { font-size: 12px; color: var(--ink-500); font-variant-numeric: tabular-nums; }
.year-range { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--ink-700); }
.year-range input { border: 1px solid var(--line-strong); background: #fff; border-radius: 5px; padding: 7px 8px; flex: 1; width: 0; font-size: 13px; font-family: var(--font-ui); color: var(--ink-900); }

.results-col { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 18px; }
.results-summary { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.results-summary .count { font-size: 14px; color: var(--ink-500); }
.results-summary .count b { color: var(--ink-900); }
.sort-row { display: flex; align-items: center; gap: 14px; font-size: 13px; }
.sort-row button { background: none; border: none; color: var(--ink-500); font-size: 13px; cursor: pointer; padding-bottom: 3px; border-bottom: 2px solid transparent; font-family: var(--font-ui); }
.sort-row button.active { color: var(--ink-900); font-weight: 600; border-bottom-color: var(--gold-500); }
.active-filters { display: flex; gap: 8px; flex-wrap: wrap; }

.result-list { display: flex; flex-direction: column; background: #fff; border: 1px solid var(--line); border-radius: var(--radius-l); overflow: hidden; }
.result-row { display: flex; gap: 20px; padding: 22px 24px; border-bottom: 1px solid var(--line-soft); }
.result-row:last-child { border-bottom: none; }
.result-thumb { width: 74px; height: 96px; flex: none; border-radius: 4px; background: repeating-linear-gradient(135deg,#dceaf4 0 6px,#cfe0ec 6px 12px); border: 1px solid var(--line); display: flex; align-items: flex-end; justify-content: center; padding-bottom: 6px; }
.result-thumb span { font-family: var(--font-mono); font-size: 8px; color: var(--ink-500); }
.result-body { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 7px; }
.result-title { font-family: var(--font-display); font-size: 19px; font-weight: 600; line-height: 1.3; color: var(--navy-700); }
.result-title a { color: inherit; }
.result-byline { font-size: 13px; color: var(--ink-500); }
.result-snippet { font-size: 14px; line-height: 1.55; color: var(--ink-700); }
.result-meta { display: flex; align-items: center; gap: 14px; margin-top: 3px; font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--ink-500); flex-wrap: wrap; }
.result-meta .soc { color: var(--amber-700); }
.result-actions { width: 150px; flex: none; display: flex; flex-direction: column; align-items: flex-end; gap: 10px; }
.result-actions .btn { width: 100%; padding: 7px 14px; font-size: 13px; }
.result-actions .links { font-size: 13px; color: var(--ink-500); display: flex; gap: 10px; }
.no-results { padding: 60px 24px; text-align: center; color: var(--ink-500); font-size: 15px; }

.membership-banner { background: var(--navy-900); border-radius: var(--radius-l); padding: 20px 24px; display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.membership-banner h3 { font-family: var(--font-display); font-size: 19px; font-weight: 600; color: #fff; margin: 0 0 5px; }
.membership-banner p { font-size: 14px; color: #b9c8d6; margin: 0; }

.filter-toggle-btn { display: none; }

/* ---------- Document detail ---------- */
.breadcrumb { padding: 16px 40px; background: var(--surface-sunken); border-bottom: 1px solid var(--line); font-size: 13px; color: var(--ink-500); }
.doc-layout { display: flex; align-items: flex-start; gap: 36px; padding: 36px 40px 48px; }
.doc-main { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 28px; }
.doc-meta-row { display: flex; gap: 10px; font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-500); flex-wrap: wrap; }
.doc-meta-row .soc { color: var(--amber-700); }
.doc-title { font-family: var(--font-display); font-size: 38px; line-height: 1.16; font-weight: 600; max-width: 820px; text-wrap: pretty; margin: 0; }
.doc-authors { font-size: 15px; color: var(--ink-700); }
.doc-venue { font-size: 14px; color: var(--ink-500); }
.doc-section-title { font-family: var(--font-mono); font-size: 11px; font-weight: 500; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-800); }
.doc-abstract { font-size: 16px; line-height: 1.65; color: var(--ink-700); max-width: 820px; text-wrap: pretty; }
.preview-row { display: flex; gap: 14px; flex-wrap: wrap; }
.preview-page { width: 150px; height: 194px; border: 1px solid var(--line); border-radius: 5px; background: repeating-linear-gradient(135deg,#e8f0f7 0 7px,#d3e2ee 7px 14px); display: flex; align-items: flex-end; justify-content: center; padding-bottom: 8px; }
.preview-page span { font-family: var(--font-mono); font-size: 10px; color: var(--ink-500); }
.related-list { display: flex; flex-direction: column; background: var(--surface-sunken); border: 1px solid var(--line); border-radius: var(--radius-l); overflow: hidden; }
.related-row { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 16px 20px; border-bottom: 1px solid var(--line-soft); }
.related-row:last-child { border-bottom: none; }
.related-row .title { font-family: var(--font-display); font-size: 16px; font-weight: 600; color: var(--navy-700); }
.related-row .byline { font-size: 13px; color: var(--ink-500); }
.related-row .tag { font-family: var(--font-mono); font-size: 11px; color: var(--ink-500); flex: none; }

.doc-aside { width: 320px; flex: none; display: flex; flex-direction: column; gap: 16px; }
.aside-card { background: var(--surface-sunken); border: 1px solid var(--line); border-radius: var(--radius-l); padding: 22px; display: flex; flex-direction: column; gap: 14px; }
.aside-card .btn { width: 100%; }
.aside-links { display: flex; gap: 18px; font-size: 14px; padding-top: 4px; }
.aside-links button { background: none; border: none; color: var(--blue-500); font-size: 14px; cursor: pointer; padding: 0; }
.detail-row { display: flex; gap: 12px; font-size: 14px; line-height: 1.5; border-bottom: 1px solid var(--line-soft); padding-bottom: 10px; }
.detail-row:last-child { border: none; padding-bottom: 0; }
.detail-row .k { width: 96px; flex: none; color: var(--ink-500); }
.detail-row .v { flex: 1; color: var(--ink-700); }

/* ---------- Modal / login ---------- */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(8,18,30,0.62); z-index: 100;
  display: none; align-items: center; justify-content: center;
}
.modal-overlay.open { display: flex; }
.modal-card {
  width: 400px; max-width: calc(100vw - 40px); background: #fff; border-radius: 12px; padding: 32px;
  display: flex; flex-direction: column; gap: 18px; box-shadow: var(--shadow-modal); position: relative;
}
.modal-card .head { display: flex; align-items: center; justify-content: space-between; }
.modal-card h2 { font-family: var(--font-display); font-size: 26px; font-weight: 600; margin: 0; }
.modal-close { position: absolute; top: -40px; right: 0; background: none; border: none; color: rgba(255,255,255,0.7); font-size: 20px; cursor: pointer; }
.field-group { display: flex; flex-direction: column; gap: 6px; }
.field-group label { font-size: 13px; font-weight: 600; color: var(--ink-600); }
.field-group .field-row { display: flex; align-items: baseline; justify-content: space-between; }
.field-group input { height: 46px; border: 1px solid var(--line-strong); border-radius: 7px; padding: 0 14px; font-size: 15px; color: var(--ink-900); font-family: var(--font-ui); }
.check-row { display: flex; align-items: center; gap: 9px; font-size: 14px; color: var(--ink-600); }
.check-row input { width: 16px; height: 16px; }
.divider-row { display: flex; align-items: center; gap: 12px; padding-top: 2px; }
.divider-row .line { flex: 1; height: 1px; background: var(--line); }
.form-note { font-size: 13px; line-height: 1.55; color: var(--ink-500); text-align: center; text-wrap: pretty; }

/* ---------- Mobile filter sheet ---------- */
.sheet-overlay { position: fixed; inset: 0; background: rgba(8,18,30,0.5); z-index: 90; display: none; }
.sheet-overlay.open { display: block; }
.filter-sheet {
  position: fixed; left: 0; right: 0; bottom: 0; max-height: 82vh; background: #fff;
  border-radius: 18px 18px 0 0; display: flex; flex-direction: column; z-index: 91;
  transform: translateY(100%); transition: transform 0.22s ease; box-shadow: 0 -8px 30px rgba(0,0,0,0.2);
}
.filter-sheet.open { transform: translateY(0); }
.sheet-handle { display: flex; justify-content: center; padding: 10px 0 4px; }
.sheet-handle span { width: 38px; height: 4px; border-radius: 2px; background: var(--line); }
.sheet-head { display: flex; align-items: center; justify-content: space-between; padding: 8px 18px 14px; border-bottom: 1px solid var(--line); }
.sheet-head h2 { font-family: var(--font-display); font-size: 21px; font-weight: 600; margin: 0; }
.sheet-body { flex: 1; overflow-y: auto; }
.sheet-sort { padding: 16px 18px; display: flex; flex-direction: column; gap: 10px; border-bottom: 1px solid var(--line); }
.sheet-sort-options { display: flex; gap: 8px; }
.sheet-sort-options button { flex: 1; text-align: center; font-size: 14px; font-weight: 600; color: var(--ink-600); border: 1px solid var(--line-strong); background: #fff; border-radius: 7px; padding: 12px 0; }
.sheet-sort-options button.active { background: var(--navy-700); border-color: var(--navy-700); color: #fff; }
.sheet-group-head { display: flex; align-items: center; justify-content: space-between; padding: 18px; border-bottom: 1px solid var(--line); background: none; width: 100%; border-left: none; border-right: none; border-top: none; text-align: left; font-size: 15px; font-weight: 600; color: var(--ink-800); }
.sheet-group-options { display: flex; flex-direction: column; }
.sheet-option-row { display: flex; align-items: center; gap: 12px; padding: 14px 18px; border-bottom: 1px solid var(--line-soft); }
.sheet-option-row .box { width: 20px; height: 20px; border-radius: 4px; border: 1.5px solid var(--line-strong); flex: none; display: flex; align-items: center; justify-content: center; color: var(--ink-900); font-size: 13px; }
.sheet-option-row.checked .box { background: var(--gold-500); border-color: var(--gold-500); }
.sheet-foot { padding: 14px 18px 20px; border-top: 1px solid var(--line); }
.sheet-foot .btn { width: 100%; }

/* ---------- Toast ---------- */
.toast {
  position: fixed; left: 50%; bottom: 28px; transform: translateX(-50%) translateY(20px);
  background: var(--navy-900); color: #fff; font-size: 14px; padding: 13px 20px; border-radius: 8px;
  box-shadow: 0 12px 30px rgba(0,0,0,0.25); z-index: 200; opacity: 0; pointer-events: none; transition: all 0.2s ease;
  max-width: calc(100vw - 40px); text-align: center;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ---------- Uploader / partner portal ---------- */
.portal-header { background: var(--navy-900); height: 60px; display: flex; align-items: center; }
.portal-header .container { display: flex; align-items: center; justify-content: space-between; }
.portal-header .left { display: flex; align-items: center; gap: 14px; }
.portal-tag { font-family: var(--font-mono); font-size: 11px; font-weight: 500; letter-spacing: 0.12em; text-transform: uppercase; color: #ccd8e3; border: 1px solid rgba(255,255,255,0.28); border-radius: 4px; padding: 4px 8px; }
.portal-header .right { font-size: 14px; color: #cbd5e0; display: flex; align-items: center; gap: 10px; }

.portal-body { background: var(--surface-page); padding: 30px 40px 40px; }
.portal-layout { display: flex; align-items: flex-start; gap: 32px; }
.portal-main { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 22px; }
.portal-aside { width: 300px; flex: none; display: flex; flex-direction: column; gap: 16px; }

.dropzone {
  background: #fff; border: 1.5px dashed var(--line-strong); border-radius: var(--radius-l);
  padding: 34px; display: flex; flex-direction: column; align-items: center; gap: 10px; cursor: pointer;
}
.dropzone.drag { background: var(--surface-sunken); border-color: var(--gold-500); }
.dropzone .glyph { font-size: 26px; color: var(--amber-700); }
.dropzone h3 { font-family: var(--font-display); font-size: 19px; font-weight: 600; margin: 0; }
.dropzone p { font-size: 13px; color: var(--ink-500); margin: 0; }

.defaults-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-l); padding: 22px; }
.defaults-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px 18px; margin-top: 16px; }
.defaults-field { display: flex; flex-direction: column; gap: 6px; }
.defaults-field label { font-size: 13px; font-weight: 600; color: var(--ink-600); }
.defaults-field .value { height: 42px; border: 1px solid var(--line-strong); border-radius: 6px; background: #fff; display: flex; align-items: center; padding: 0 12px; font-size: 14px; color: var(--ink-900); }

.batch-table { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-l); overflow: hidden; }
.batch-head { display: flex; gap: 10px; align-items: center; padding: 11px 18px; background: var(--surface-sunken); border-bottom: 1px solid var(--line); font-family: var(--font-mono); font-size: 10px; font-weight: 500; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-800); overflow-x: auto; }
.batch-row { display: flex; gap: 10px; align-items: center; padding: 12px 18px; border-bottom: 1px solid var(--line-soft); overflow-x: auto; }
.batch-row:last-child { border-bottom: none; }
.batch-row.attention { background: #fdf6ec; }
.col-check { width: 20px; flex: none; }
.col-file { width: 96px; flex: none; font-family: var(--font-mono); font-size: 11px; color: var(--ink-500); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.col-title { flex: 1; min-width: 140px; }
.col-authors { width: 104px; flex: none; }
.col-date { width: 88px; flex: none; }
.col-peer { width: 52px; flex: none; text-align: center; }
.col-keywords { width: 118px; flex: none; }
.col-status { width: 118px; flex: none; }
.cell-input { height: 34px; border: 1px solid var(--line); border-radius: 5px; display: flex; align-items: center; padding: 0 9px; font-size: 13px; color: var(--ink-900); overflow: hidden; white-space: nowrap; text-overflow: ellipsis; background: #fff; }
.cell-input.ai { border: 1.5px dashed #a48fd0; }
.checkbox-box { width: 15px; height: 15px; border-radius: 3px; border: 1.5px solid var(--line-strong); background: #fff; display: flex; align-items: center; justify-content: center; font-size: 11px; color: var(--ink-900); }
.checkbox-box.checked { background: var(--gold-500); border-color: var(--gold-500); }
.progress-track { height: 4px; border-radius: 2px; background: var(--line-soft); display: block; overflow: hidden; }
.progress-fill { display: block; height: 4px; border-radius: 2px; background: var(--blue-500); transition: width 0.3s linear; }
.batch-foot { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 16px 18px; border-top: 1px solid var(--line); background: var(--surface-sunken); flex-wrap: wrap; }
.batch-foot .summary { font-size: 13px; color: var(--ink-500); }
.batch-foot .summary b { color: var(--ink-900); font-weight: 700; }
.batch-actions { display: flex; gap: 10px; }
.recent-batch { display: flex; flex-direction: column; gap: 3px; border-bottom: 1px solid var(--line-soft); padding-bottom: 10px; }
.recent-batch:last-child { border: none; padding-bottom: 0; }
.recent-batch .name { font-family: var(--font-display); font-size: 15px; font-weight: 600; color: var(--navy-700); }
.recent-batch .meta { font-size: 13px; color: var(--ink-500); }

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 1080px) {
  .container, .section, .search-layout, .doc-layout, .search-topbar, .ad-slot, .breadcrumb, .portal-body { padding-left: 28px; padding-right: 28px; }
  .site-header .container { padding-left: 28px; padding-right: 28px; }
  .subject-grid { grid-template-columns: repeat(3, 1fr); }
  .society-grid { grid-template-columns: repeat(4, 1fr); }
  .news-grid { grid-template-columns: repeat(2, 1fr); }
  .site-nav { display: none; }
  .hamburger { display: flex; }
  .facet-rail { display: none; }
  .filter-toggle-btn { display: inline-flex; }
  .doc-layout { flex-direction: column; }
  .doc-aside { width: 100%; }
  .preview-row { display: none; }
  .portal-layout { flex-direction: column; }
  .portal-aside { width: 100%; }
  .batch-table { overflow-x: auto; }
  .batch-head, .batch-row { width: max-content; min-width: 100%; }
}

@media (max-width: 700px) {
  .container, .section, .search-layout, .doc-layout, .search-topbar, .ad-slot, .breadcrumb, .portal-body { padding-left: 16px; padding-right: 16px; }
  .site-header .container { padding-left: 16px; padding-right: 16px; }
  .site-header { height: 52px; }
  .hero { padding: 32px 20px 28px; }
  .hero h1 { font-size: 28px; }
  .hero p.sub { display: none; }
  .hero-search { height: 52px; }
  .subject-grid { grid-template-columns: 1fr 1fr; }
  .society-grid { grid-template-columns: repeat(3, 1fr); }
  .news-grid { grid-template-columns: 1fr; }
  .section { padding: 24px 16px; }
  .search-layout { padding: 16px 16px 28px; flex-direction: column; }
  .results-summary { flex-direction: column; align-items: flex-start; gap: 8px; }
  .result-row { flex-wrap: wrap; padding: 16px; }
  .result-thumb { display: none; }
  .result-actions { width: 100%; flex-direction: row; align-items: center; justify-content: space-between; }
  .result-actions .btn { width: auto; }
  .doc-title { font-size: 26px; }
  .doc-layout { padding: 20px 16px 32px; }
  .defaults-grid { grid-template-columns: 1fr; }
  .batch-foot { flex-direction: column; align-items: stretch; }
  .batch-actions .btn { flex: 1; }
  .modal-card { padding: 24px; }
}