/* ────────────────────────────────────────────────────────────────────
   SAMSUNG RAN PARSER — shared theme  (white)
   Inter (UI) · JetBrains Mono (codes/IDs) · Instrument Serif (display)
   Each page sets `data-theme="5g"` or `data-theme="4g"` on <body>
   to switch the accent palette.
   ──────────────────────────────────────────────────────────────────── */
:root{
  --bg:#ffffff; --bg-soft:#fafbfc; --bg-tint:#f5f7fa; --bg-hover:#f0f3f7;
  --line:#e6eaef; --line-soft:#eef1f5; --line-strong:#d3d9e0;
  --ink:#0b1220; --ink-2:#1f2937; --ink-3:#475467; --ink-4:#667085; --ink-5:#98a2b3;
  --ok:#067647; --ok-soft:#ecfdf3;
  --warn:#b54708; --warn-soft:#fffaeb;
  --crit:#b42318; --crit-soft:#fef3f2;
  --info:#175cd3; --info-soft:#eff8ff;

  --shadow-xs:0 1px 2px rgba(16,24,40,.04);
  --shadow-sm:0 1px 3px rgba(16,24,40,.06),0 1px 2px rgba(16,24,40,.04);
  --shadow-md:0 4px 8px -2px rgba(16,24,40,.08),0 2px 4px -2px rgba(16,24,40,.04);
  --shadow-lg:0 12px 16px -4px rgba(16,24,40,.06),0 4px 6px -2px rgba(16,24,40,.04);
  --shadow-xl:0 20px 28px -8px rgba(16,24,40,.10),0 8px 10px -4px rgba(16,24,40,.05);

  --radius-sm:6px; --radius:10px; --radius-lg:14px; --radius-xl:20px;
  --font-sans:'Inter',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  --font-mono:'JetBrains Mono',ui-monospace,SFMono-Regular,Menlo,monospace;
  --font-display:'Instrument Serif',Georgia,serif;
  --transition:160ms cubic-bezier(.4,0,.2,1);

  /* default 5G accent */
  --primary:#1428a0;
  --primary-soft:#eff2ff;
  --primary-ink:#0a1875;
  --primary-2:#3b4cd9;
  --accent:#06b6d4;
}
body[data-theme="5g"]{
  --primary:#1428a0; --primary-soft:#eff2ff; --primary-ink:#0a1875;
  --primary-2:#3b4cd9; --accent:#06b6d4;
}
body[data-theme="4g"]{
  --primary:#b8430b; --primary-soft:#fff4ed; --primary-ink:#7a2c00;
  --primary-2:#ea7c2c; --accent:#0ea5e9;
}
body[data-theme="portal"]{
  --primary:#0b1220; --primary-soft:#f5f7fa; --primary-ink:#0b1220;
  --primary-2:#1f2937; --accent:#1428a0;
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:var(--font-sans);
  font-size:14px; line-height:1.55;
  color:var(--ink); background:var(--bg);
  -webkit-font-smoothing:antialiased; -moz-osx-font-smoothing:grayscale;
  font-feature-settings:'cv11','ss01','ss03';
  letter-spacing:-0.005em;
}

/* ── HEADER ──────────────────────────────────────────────── */
.header{
  position:sticky; top:0; z-index:50;
  background:rgba(255,255,255,.85);
  backdrop-filter:saturate(180%) blur(14px);
  -webkit-backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  max-width:1480px; margin:0 auto;
  padding:14px 32px;
  display:flex; align-items:center; gap:24px;
}
.logo{
  display:flex; align-items:center; gap:10px;
  font-weight:700; font-size:15px;
  color:var(--ink); text-decoration:none;
  letter-spacing:-0.01em; cursor:pointer;
}
.logo-mark{
  width:28px; height:28px; border-radius:8px;
  background:linear-gradient(135deg,var(--primary) 0%,var(--primary-2) 100%);
  display:grid; place-items:center; color:#fff;
  font-weight:800; font-size:13px;
  box-shadow:0 0 0 3px color-mix(in srgb,var(--primary) 8%,transparent);
}
.logo small{
  display:inline-block; margin-left:8px; padding:2px 8px;
  background:var(--bg-tint); border:1px solid var(--line);
  border-radius:99px; color:var(--ink-3);
  font-size:10px; font-weight:600; letter-spacing:.04em; text-transform:uppercase;
}
.nav{display:flex; gap:2px; margin-left:8px}
.nav a{
  padding:7px 12px; border-radius:8px;
  color:var(--ink-3); text-decoration:none;
  font-weight:500; font-size:13.5px;
  transition:var(--transition); cursor:pointer;
}
.nav a:hover{background:var(--bg-tint); color:var(--ink)}
.nav a.active{background:var(--ink); color:#fff}
.header-spacer{flex:1}
.search-trigger{
  display:flex; align-items:center; gap:10px;
  padding:8px 12px; border-radius:10px;
  border:1px solid var(--line); background:var(--bg-soft);
  color:var(--ink-4); font-size:13px; cursor:pointer;
  min-width:300px; transition:var(--transition);
  font-family:inherit;
}
.search-trigger:hover{border-color:var(--line-strong); background:#fff; box-shadow:var(--shadow-xs)}
.search-trigger kbd{
  margin-left:auto; padding:2px 7px;
  background:#fff; border:1px solid var(--line); border-bottom-width:1.5px;
  border-radius:5px; font-size:11px; color:var(--ink-4);
  font-family:var(--font-mono);
}
.icon{width:16px; height:16px; flex-shrink:0; stroke-width:2}

.theme-pill{
  padding:5px 11px; border-radius:99px;
  background:linear-gradient(135deg,var(--primary) 0%,var(--primary-2) 100%);
  color:#fff; font-size:11.5px; font-weight:600; letter-spacing:.04em;
}

/* ── HERO ─────────────────────────────────────────────────── */
.container{max-width:1480px; margin:0 auto; padding:0 32px}
.hero{padding:64px 0 32px; position:relative; overflow:hidden}
.hero::before{
  content:''; position:absolute; inset:-200px -200px auto auto;
  width:600px; height:600px; pointer-events:none; z-index:-1;
  background:radial-gradient(closest-side, color-mix(in srgb,var(--primary) 12%,transparent), transparent 70%);
  filter:blur(20px);
}
.hero-eyebrow{
  display:inline-flex; align-items:center; gap:8px;
  padding:6px 12px; border-radius:99px;
  background:var(--primary-soft); color:var(--primary-ink);
  font-size:12px; font-weight:600; letter-spacing:.02em;
  margin-bottom:24px;
}
.hero-eyebrow .dot{
  width:6px; height:6px; border-radius:50%;
  background:var(--primary);
  box-shadow:0 0 0 4px color-mix(in srgb,var(--primary) 24%,transparent);
  animation:pulse 2.4s ease-in-out infinite;
}
@keyframes pulse{
  0%,100%{box-shadow:0 0 0 4px color-mix(in srgb,var(--primary) 24%,transparent)}
  50%{box-shadow:0 0 0 8px color-mix(in srgb,var(--primary) 6%,transparent)}
}
.hero h1{
  font-family:var(--font-display); font-weight:400;
  font-size:clamp(48px,7vw,96px); line-height:1.02;
  letter-spacing:-0.03em; margin:0 0 20px; color:var(--ink);
}
.hero h1 em{font-style:italic; color:var(--primary)}
.hero p.lead{
  font-size:18px; line-height:1.55; color:var(--ink-3);
  max-width:740px; margin:0 0 32px; font-weight:400;
}
.hero p.lead b{color:var(--ink); font-weight:600}

.stat-grid{
  display:grid; grid-template-columns:repeat(4,1fr); gap:16px;
  margin-top:40px;
}
.stat{
  padding:24px; border:1px solid var(--line); border-radius:var(--radius-lg);
  background:var(--bg); transition:var(--transition); cursor:pointer;
  position:relative; overflow:hidden;
  font:inherit; text-align:left;
}
.stat:hover{
  border-color:var(--line-strong);
  box-shadow:var(--shadow-md);
  transform:translateY(-2px);
}
.stat::after{
  content:''; position:absolute; inset:0 0 auto 0; height:3px;
  background:linear-gradient(90deg,var(--primary),var(--primary-2));
  transform:scaleX(0); transform-origin:left;
  transition:transform 320ms cubic-bezier(.4,0,.2,1);
}
.stat:hover::after{transform:scaleX(1)}
.stat-num{
  font-family:var(--font-display); font-weight:400;
  font-size:48px; line-height:1; letter-spacing:-0.02em;
  color:var(--ink); margin-bottom:8px;
}
.stat-num small{font-family:var(--font-sans); font-size:13px; color:var(--ink-4); font-weight:500; margin-left:4px; letter-spacing:0}
.stat-label{font-size:13px; color:var(--ink-3); font-weight:500}
.stat-meta{
  font-size:11.5px; color:var(--ink-5); margin-top:8px;
  display:flex; gap:8px; flex-wrap:wrap;
}
.stat-meta span{
  background:var(--bg-tint); padding:2px 8px; border-radius:99px;
}

/* ── HERO CHARTS ROW ─────────────────────────────────────── */
.hero-charts{
  display:grid; grid-template-columns:1.2fr 2fr; gap:16px;
  margin-top:24px;
}
.hero-chart{
  padding:20px; border:1px solid var(--line);
  border-radius:var(--radius-lg); background:var(--bg);
}
.hero-chart h4{
  font-size:11px; font-weight:600; color:var(--ink-4);
  text-transform:uppercase; letter-spacing:.06em;
  margin:0 0 12px;
}

/* ── SECTION ─────────────────────────────────────────────── */
.section{padding:48px 0}
.section-head{display:flex; align-items:flex-end; justify-content:space-between; margin-bottom:28px; gap:24px; flex-wrap:wrap}
.section h2{
  font-family:var(--font-display); font-weight:400;
  font-size:42px; letter-spacing:-0.02em; margin:0 0 8px; line-height:1.05;
}
.section h2 em{font-style:italic; color:var(--primary)}
.section .subtitle{color:var(--ink-3); font-size:15px; margin:0; max-width:560px}
.section-hint{font-size:12.5px; color:var(--ink-4); font-weight:500}
.section-hint kbd{
  padding:2px 6px; background:var(--bg-tint); border:1px solid var(--line);
  border-radius:4px; font-family:var(--font-mono); font-size:10.5px;
  color:var(--ink-3); margin:0 2px;
}

/* ── CATALOG CARDS (HOME) ────────────────────────────────── */
.catalog-grid{display:grid; grid-template-columns:repeat(auto-fit,minmax(280px,1fr)); gap:16px}
.catalog-card{
  display:flex; flex-direction:column; gap:12px;
  padding:24px; border:1px solid var(--line); border-radius:var(--radius-lg);
  background:var(--bg); cursor:pointer; transition:var(--transition);
  position:relative; text-align:left; font:inherit;
}
.catalog-card:hover{border-color:var(--primary); box-shadow:var(--shadow-md); transform:translateY(-1px)}
.catalog-card-head{display:flex; align-items:center; justify-content:space-between; gap:12px}
.catalog-card-icon{
  width:36px; height:36px; border-radius:10px;
  background:var(--primary-soft); color:var(--primary);
  display:grid; place-items:center;
}
.catalog-card-icon svg{width:18px; height:18px}
.catalog-card-tag{font-family:var(--font-mono); font-size:10.5px; color:var(--ink-4); text-transform:uppercase; letter-spacing:.05em}
.catalog-card-title{font-weight:600; font-size:16px; color:var(--ink); margin:0}
.catalog-card-desc{font-size:13px; color:var(--ink-3); margin:0; line-height:1.5}
.catalog-card-foot{display:flex; align-items:center; justify-content:space-between; margin-top:auto; padding-top:8px}
.catalog-card-count{font-family:var(--font-mono); font-size:13px; color:var(--ink-2); font-weight:600}
.catalog-card-arrow{
  width:24px; height:24px; border-radius:50%; background:var(--bg-tint);
  display:grid; place-items:center; color:var(--ink-3);
  transition:var(--transition);
}
.catalog-card:hover .catalog-card-arrow{background:var(--primary); color:#fff; transform:translateX(4px)}

/* ── DATA VIEW ───────────────────────────────────────────── */
.view{padding:24px 0 80px; display:none}
.view.is-active{display:block}

.toolbar{
  display:flex; gap:12px; align-items:center; flex-wrap:wrap;
  padding:16px; background:var(--bg-soft); border:1px solid var(--line);
  border-radius:var(--radius-lg); margin-bottom:16px;
  position:sticky; top:64px; z-index:20;
  backdrop-filter:saturate(180%) blur(14px);
  background:rgba(250,251,252,.92);
}
.toolbar-search{
  flex:1 1 280px; min-width:200px;
  display:flex; align-items:center; gap:8px;
  padding:8px 12px; background:#fff;
  border:1px solid var(--line); border-radius:10px;
  transition:var(--transition);
}
.toolbar-search:focus-within{border-color:var(--primary); box-shadow:0 0 0 3px color-mix(in srgb,var(--primary) 12%,transparent)}
.toolbar-search input{
  flex:1; border:0; outline:0; background:transparent;
  font:inherit; color:var(--ink);
}
.toolbar-search input::placeholder{color:var(--ink-5)}
.toolbar-search-clear{
  border:0; background:var(--bg-tint); width:20px; height:20px; border-radius:50%;
  color:var(--ink-4); cursor:pointer; display:none; align-items:center; justify-content:center;
  font:inherit;
}
.toolbar-search-clear.show{display:inline-flex}
.toolbar-action{
  padding:8px 12px; border:1px solid var(--line); background:#fff;
  border-radius:10px; font:inherit; font-size:13px; font-weight:500; color:var(--ink-2);
  cursor:pointer; display:inline-flex; align-items:center; gap:6px;
  transition:var(--transition);
}
.toolbar-action:hover{background:var(--bg-tint); border-color:var(--line-strong)}
.toolbar-action.is-primary{background:var(--ink); color:#fff; border-color:var(--ink)}
.toolbar-action.is-primary:hover{background:var(--ink-2)}

.filter-row{display:flex; gap:8px; align-items:center; flex-wrap:wrap; margin-bottom:16px}
.filter-label{font-size:11px; color:var(--ink-4); font-weight:600; text-transform:uppercase; letter-spacing:.05em; margin-right:4px}
.chip{
  display:inline-flex; align-items:center; gap:6px;
  padding:5px 10px; border-radius:99px;
  border:1px solid var(--line); background:#fff;
  font-size:12.5px; font-weight:500; color:var(--ink-3);
  cursor:pointer; transition:var(--transition);
  font-family:inherit;
}
.chip:hover{background:var(--bg-tint); border-color:var(--line-strong)}
.chip.is-active{background:var(--ink); color:#fff; border-color:var(--ink)}
.chip-count{font-family:var(--font-mono); font-size:11px; color:var(--ink-5); margin-left:2px}
.chip.is-active .chip-count{color:rgba(255,255,255,.7)}
.chip-clear{background:var(--bg-tint); color:var(--ink-3); border-style:dashed}

/* ── TABLE ──────────────────────────────────────────────── */
.table-wrap{
  border:1px solid var(--line); border-radius:var(--radius-lg);
  background:var(--bg); overflow:hidden;
}
.table-meta{
  padding:12px 20px; display:flex; align-items:center; justify-content:space-between;
  background:var(--bg-soft); border-bottom:1px solid var(--line);
  font-size:12.5px; color:var(--ink-3);
}
.table-meta b{color:var(--ink-2); font-weight:600; font-family:var(--font-mono)}
.table-meta-right{display:flex; gap:12px; align-items:center}
.scroll{overflow:auto; max-height:calc(100vh - 240px); position:relative}
table{width:100%; border-collapse:collapse; font-size:13px}
thead{position:sticky; top:0; z-index:5; background:#fff}
thead th{
  padding:10px 14px; text-align:left; font-size:11px;
  font-weight:600; color:var(--ink-4);
  text-transform:uppercase; letter-spacing:.06em;
  border-bottom:1px solid var(--line);
  cursor:pointer; user-select:none; white-space:nowrap;
}
thead th:hover{color:var(--ink-2)}
thead th[data-sort]::after{content:'↕'; opacity:.3; margin-left:6px; font-family:var(--font-mono)}
thead th.sort-asc::after{content:'↑'; opacity:1; color:var(--primary)}
thead th.sort-desc::after{content:'↓'; opacity:1; color:var(--primary)}
tbody tr{border-bottom:1px solid var(--line-soft); cursor:pointer; transition:background 80ms}
tbody tr:hover{background:var(--bg-tint)}
tbody tr.is-selected{background:var(--primary-soft)}
td{padding:11px 14px; vertical-align:top; color:var(--ink-2)}
td.code{font-family:var(--font-mono); font-size:12.5px; color:var(--ink); font-weight:500; white-space:nowrap}
td.muted{color:var(--ink-4); font-size:12.5px}
td.dim{color:var(--ink-5); font-size:12px}
.truncate{max-width:520px; display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden}

/* ── BADGES ──────────────────────────────────────────────── */
.badge{
  display:inline-flex; align-items:center; gap:5px;
  padding:2px 8px; border-radius:99px; font-size:11px; font-weight:600;
  letter-spacing:.02em; white-space:nowrap;
}
.badge-blue{background:var(--info-soft); color:var(--info)}
.badge-green{background:var(--ok-soft); color:var(--ok)}
.badge-amber{background:var(--warn-soft); color:var(--warn)}
.badge-red{background:var(--crit-soft); color:var(--crit)}
.badge-grey{background:var(--bg-tint); color:var(--ink-3)}
.badge-purple{background:#f4f3ff; color:#5925dc}
.badge-pink{background:#fdf2fa; color:#c11574}

/* ── DETAIL DRAWER ───────────────────────────────────────── */
.drawer{
  position:fixed; top:0; right:0; height:100vh; width:min(640px,92vw);
  background:#fff; border-left:1px solid var(--line);
  box-shadow:var(--shadow-xl); z-index:100;
  transform:translateX(100%); transition:transform 240ms cubic-bezier(.4,0,.2,1);
  display:flex; flex-direction:column;
}
.drawer.open{transform:translateX(0)}
.drawer-overlay{
  position:fixed; inset:0; background:rgba(15,23,42,.32);
  z-index:99; opacity:0; pointer-events:none;
  transition:opacity 240ms ease;
}
.drawer-overlay.show{opacity:1; pointer-events:auto}
.drawer-head{
  padding:20px 24px; border-bottom:1px solid var(--line);
  display:flex; align-items:center; justify-content:space-between; gap:16px;
}
.drawer-title{font-family:var(--font-mono); font-weight:600; font-size:16px; color:var(--ink); margin:0; letter-spacing:-0.01em}
.drawer-close{
  width:32px; height:32px; border-radius:8px; border:1px solid var(--line); background:#fff;
  cursor:pointer; display:grid; place-items:center; color:var(--ink-3);
  transition:var(--transition); font:inherit;
}
.drawer-close:hover{background:var(--bg-tint); color:var(--ink)}
.drawer-body{flex:1; overflow:auto; padding:24px}
.drawer-section{margin-bottom:24px}
.drawer-section h3{
  font-size:11px; font-weight:600; color:var(--ink-4);
  text-transform:uppercase; letter-spacing:.06em; margin:0 0 8px;
}
.drawer-section p,.drawer-section .val{
  font-size:14px; color:var(--ink); line-height:1.6;
  margin:0; white-space:pre-wrap;
}
.drawer-section code{
  font-family:var(--font-mono); font-size:12.5px;
  background:var(--bg-tint); padding:2px 6px; border-radius:4px;
}
.kv-grid{display:grid; grid-template-columns:140px 1fr; gap:6px 16px; font-size:13px}
.kv-grid dt{color:var(--ink-4); font-weight:500}
.kv-grid dd{margin:0; color:var(--ink); font-weight:500; word-break:break-word}
.kv-grid dd code{font-family:var(--font-mono); font-size:12px}

/* ── ⌘K MODAL ────────────────────────────────────────────── */
.cmdk{
  position:fixed; inset:0; z-index:200;
  background:rgba(15,23,42,.32);
  display:none; align-items:flex-start; justify-content:center; padding-top:14vh;
  animation:fade .18s ease both;
}
.cmdk.open{display:flex}
@keyframes fade{from{opacity:0}to{opacity:1}}
.cmdk-panel{
  width:min(680px,92vw); background:#fff; border-radius:16px;
  box-shadow:var(--shadow-xl); overflow:hidden;
  animation:rise .22s cubic-bezier(.4,0,.2,1);
}
@keyframes rise{from{transform:translateY(8px); opacity:0}to{transform:none; opacity:1}}
.cmdk-input{
  display:flex; align-items:center; gap:10px; padding:14px 18px;
  border-bottom:1px solid var(--line);
}
.cmdk-input input{flex:1; border:0; outline:0; font:inherit; font-size:16px; color:var(--ink); background:transparent}
.cmdk-results{max-height:60vh; overflow:auto; padding:8px 0}
.cmdk-empty{padding:32px 18px; text-align:center; color:var(--ink-4); font-size:13px}
.cmdk-group-head{
  padding:10px 18px 4px; font-size:10.5px; font-weight:600;
  color:var(--ink-4); text-transform:uppercase; letter-spacing:.06em;
}
.cmdk-row{
  padding:10px 18px; display:flex; align-items:center; gap:12px; cursor:pointer;
  border-left:3px solid transparent;
}
.cmdk-row:hover,.cmdk-row.is-active{background:var(--bg-tint); border-left-color:var(--primary)}
.cmdk-row-icon{
  width:32px; height:32px; border-radius:8px; background:var(--primary-soft); color:var(--primary);
  display:grid; place-items:center; flex-shrink:0;
}
.cmdk-row-icon svg{width:14px; height:14px}
.cmdk-row-text{flex:1; min-width:0}
.cmdk-row-title{font-size:13.5px; font-weight:500; color:var(--ink); overflow:hidden; text-overflow:ellipsis; white-space:nowrap}
.cmdk-row-title mark{
  background:color-mix(in srgb,var(--primary) 18%,transparent);
  color:var(--primary-ink); font-weight:600; padding:0 2px; border-radius:2px;
}
.cmdk-row-meta{font-size:11.5px; color:var(--ink-4); margin-top:2px; display:flex; gap:8px; font-family:var(--font-mono)}
.cmdk-foot{padding:10px 18px; border-top:1px solid var(--line); font-size:11px; color:var(--ink-4); display:flex; gap:14px; flex-wrap:wrap}
.cmdk-foot kbd{padding:1px 6px; background:var(--bg-tint); border:1px solid var(--line); border-radius:4px; font-family:var(--font-mono)}

/* ── EMPTY ─────────────────────────────────────────────── */
.empty{padding:48px; text-align:center; color:var(--ink-4)}
.empty h3{font-family:var(--font-display); font-weight:400; font-size:24px; color:var(--ink-2); margin:0 0 4px}
.empty p{font-size:13.5px; margin:0}

/* ── SKELETON ──────────────────────────────────────────── */
.skeleton{
  background:linear-gradient(90deg,var(--bg-tint) 0%,var(--line-soft) 50%,var(--bg-tint) 100%);
  background-size:200% 100%; animation:shimmer 1.6s linear infinite;
  border-radius:6px;
}
@keyframes shimmer{0%{background-position:200% 0}100%{background-position:-200% 0}}

/* ── TOAST ─────────────────────────────────────────────── */
.toast{
  position:fixed; bottom:24px; right:24px; z-index:300;
  padding:12px 16px; border-radius:10px;
  background:var(--ink); color:#fff; font-size:13px; font-weight:500;
  box-shadow:var(--shadow-xl); transform:translateY(80px); opacity:0;
  transition:all 240ms cubic-bezier(.4,0,.2,1); pointer-events:none;
}
.toast.show{transform:none; opacity:1}

/* ── PDF GALLERY ───────────────────────────────────────── */
.pdf-grid{display:grid; grid-template-columns:repeat(auto-fill,minmax(300px,1fr)); gap:14px}
.pdf-card{
  display:flex; flex-direction:column; gap:8px; padding:18px;
  border:1px solid var(--line); border-radius:var(--radius); background:var(--bg);
  cursor:pointer; transition:var(--transition);
  text-decoration:none; color:inherit;
}
.pdf-card:hover{border-color:var(--primary); box-shadow:var(--shadow-sm)}
.pdf-card-head{display:flex; justify-content:space-between; gap:10px; align-items:flex-start}
.pdf-card-name{font-weight:600; font-size:13.5px; color:var(--ink); margin:0; word-break:break-word; line-height:1.35}
.pdf-card-meta{font-size:11.5px; color:var(--ink-4); font-family:var(--font-mono); display:flex; gap:8px; flex-wrap:wrap}
.pdf-card-snippet{font-size:12px; color:var(--ink-3); line-height:1.5; margin:0; display:-webkit-box; -webkit-line-clamp:3; -webkit-box-orient:vertical; overflow:hidden}

/* ── HELP OVERLAY ───────────────────────────────────────── */
.help-overlay{
  position:fixed; inset:0; z-index:250;
  background:rgba(15,23,42,.4); backdrop-filter:blur(4px);
  display:none; align-items:center; justify-content:center; padding:20px;
}
.help-overlay.open{display:flex}
.help-panel{
  width:min(540px,100%); background:#fff; border-radius:16px;
  box-shadow:var(--shadow-xl); padding:28px;
}
.help-panel h3{font-family:var(--font-display); font-size:28px; font-weight:400; margin:0 0 16px; letter-spacing:-0.02em}
.help-row{
  display:flex; justify-content:space-between; align-items:center;
  padding:10px 0; border-bottom:1px solid var(--line-soft); font-size:13px;
}
.help-row:last-child{border-bottom:0}
.help-row span{color:var(--ink-3)}
.help-row kbd{
  font-family:var(--font-mono); padding:2px 8px;
  background:var(--bg-tint); border:1px solid var(--line); border-radius:5px;
  font-size:11.5px; color:var(--ink); font-weight:500;
}

/* ── FOOTER ────────────────────────────────────────────── */
.footer{padding:48px 32px; border-top:1px solid var(--line); background:var(--bg-soft)}
.footer-inner{
  max-width:1480px; margin:0 auto;
  color:var(--ink-4); font-size:12px;
  display:flex; justify-content:space-between; flex-wrap:wrap; gap:16px;
}
.footer b{color:var(--ink-2); font-weight:600}
.footer a{color:var(--primary); text-decoration:none; font-weight:500}
.footer a:hover{text-decoration:underline}

/* ── UTILS ─────────────────────────────────────────────── */
.hidden{display:none !important}
.spin{animation:spin 1s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

@media (max-width:980px){
  .hero-charts{grid-template-columns:1fr}
}
@media (max-width:880px){
  .header-inner{padding:14px 16px; gap:12px}
  .nav{display:none}
  .container{padding:0 16px}
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  .search-trigger{min-width:0; flex:1}
  .scroll{max-height:60vh}
}
