/* know-vance UI kit shared styles
   Layers on top of ../../colors_and_type.css */

.kv-app { min-height: 100vh; background: var(--bg); color: var(--fg-2); }

/* --- HEADER --- */
.kv-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--line);
}
.kv-header-inner {
  max-width: var(--w-wide); margin: 0 auto;
  padding: 14px 24px;
  display: flex; align-items: center; gap: 32px;
}
.kv-header .logo img { height: 28px; display: block; }
.kv-nav { display: flex; align-items: center; gap: 24px; flex: 1; }
.kv-nav a {
  font-family: var(--font-jp); font-size: 14px; font-weight: 500;
  color: var(--fg-1); text-decoration: none;
  display: inline-flex; align-items: center; gap: 4px;
}
.kv-nav a:hover { color: var(--accent-700); }
.kv-nav .chev { width: 14px; height: 14px; color: var(--fg-3); }
.kv-header-actions { display: flex; gap: 10px; align-items: center; }
.icon-btn {
  width: 40px; height: 40px; border-radius: 10px;
  border: 1px solid var(--line); background: #fff;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; color: var(--fg-1);
}
.icon-btn:hover { background: var(--surface-2); }
.icon-btn i { width: 18px; height: 18px; }

/* --- HERO --- */
.kv-hero {
  background:
    radial-gradient(900px 400px at 85% 30%, rgba(59,130,246,0.06), transparent 60%),
    var(--bg);
  padding: 72px 24px 56px;
  border-bottom: 1px solid var(--line);
}
.kv-hero-inner {
  max-width: var(--w-hero); margin: 0 auto;
  display: grid; grid-template-columns: minmax(0,1.1fr) minmax(0,1fr);
  gap: 64px; align-items: center;
}
.kv-eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  height: 30px; padding: 0 12px; border-radius: 999px;
  background: var(--accent-100); color: var(--accent-700);
  font-family: var(--font-latin); font-size: 11px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase;
  margin-bottom: 24px;
}
.kv-eyebrow i { width: 13px; height: 13px; }
.kv-hero h1 {
  font-family: var(--font-jp-display);
  font-size: clamp(34px, 4.6vw, 56px); line-height: 1.25;
  letter-spacing: -0.02em; color: var(--ink);
  font-weight: 900;
  margin: 0 0 20px;
}
.kv-hero .sub { font-family: var(--font-jp); font-size: 17px; line-height: 1.75; color: var(--fg-2); max-width: 560px; }
.kv-hero .cta-row { display:flex; gap: 12px; margin-top: 32px; }
.kv-hero-stats { display:flex; gap: 32px; margin-top: 40px; padding-top: 24px; border-top: 1px solid var(--line); }
.kv-hero-stat .n { font-family: var(--font-mono); font-weight: 700; font-size: 28px; color: var(--ink); letter-spacing: -.02em; line-height: 1; }
.kv-hero-stat .l { font-family: var(--font-latin); font-size: 10px; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; color: var(--fg-3); margin-top: 6px; }

.kv-hero-art {
  aspect-ratio: 4/5;
  border-radius: 18px;
  background:
    linear-gradient(180deg, rgba(0,0,0,0) 50%, rgba(10,14,26,.85)),
    radial-gradient(circle at 30% 20%, #2A3441, #0A0E1A);
  position: relative; overflow: hidden;
  box-shadow: 0 20px 60px rgba(0,0,0,.15);
}
.kv-hero-art::before {
  content: ''; position: absolute; inset: 0;
  background:
    repeating-linear-gradient(45deg, rgba(255,255,255,.02) 0 1px, transparent 1px 28px);
}
.kv-hero-art .caption {
  position: absolute; left: 24px; right: 24px; bottom: 22px;
  color: rgba(255,255,255,.85); font-family: var(--font-jp); font-size: 13px; line-height: 1.5;
}
.kv-hero-art .caption .name { font-family: var(--font-jp-display); font-weight: 700; color: #fff; font-size: 16px; }

/* --- SEARCH BAR (in hero) --- */
.kv-search-card {
  background: #fff; border: 1px solid var(--line); border-radius: 16px;
  padding: 12px; box-shadow: var(--shadow-card-hover);
  margin-top: 28px;
  display: grid; grid-template-columns: 1fr auto; gap: 8px;
  align-items: center;
}
.kv-search-card .input-wrap { position: relative; }
.kv-search-card .input-wrap i { position: absolute; left: 18px; top: 50%; transform: translateY(-50%); width: 20px; height: 20px; color: var(--fg-3); }
.kv-search-card input {
  width: 100%; height: 52px; padding-left: 48px; padding-right: 16px;
  border: 0; outline: 0;
  font-family: var(--font-jp); font-size: 16px; color: var(--ink); background: transparent;
}
.kv-search-card input::placeholder { color: var(--fg-3); }
.kv-popular-stations { display: flex; gap: 8px; margin-top: 16px; flex-wrap: wrap; align-items: center; }
.kv-popular-stations .lbl { font-family: var(--font-latin); font-size: 10px; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; color: var(--fg-3); }
.kv-station-chip {
  display: inline-flex; align-items: center; gap: 6px;
  height: 30px; padding: 0 12px;
  border-radius: 999px;
  background: #fff; border: 1px solid var(--line);
  font-family: var(--font-jp); font-size: 13px; color: var(--fg-1);
  cursor: pointer;
}
.kv-station-chip:hover { border-color: var(--accent-500); color: var(--accent-700); }

/* --- SECTION --- */
.kv-section { padding: 80px 24px; }
.kv-section--ink { background: var(--ink); color: rgba(255,255,255,.85); }
.kv-section--ink h2 { color: #fff; }
.kv-section-inner { max-width: var(--w-content); margin: 0 auto; }
.kv-section-inner--wide { max-width: var(--w-wide); margin: 0 auto; }
.kv-section-head { display: flex; justify-content: space-between; align-items: flex-end; margin-bottom: 36px; gap: 20px; }
.kv-section-eyebrow {
  font-family: var(--font-latin); font-size: 11px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase;
  color: var(--accent-500); margin-bottom: 10px; display: flex; align-items: center; gap: 8px;
}
.kv-section-eyebrow::before { content: ''; width: 24px; height: 1px; background: var(--accent-500); }
.kv-section h2 {
  font-family: var(--font-jp-display); font-weight: 900;
  font-size: clamp(24px, 2.6vw, 36px); letter-spacing: -0.02em; color: var(--ink);
}
.kv-section-sub { font-family: var(--font-jp); font-size: 15px; color: var(--fg-2); margin-top: 6px; }
.kv-section-link { font-family: var(--font-jp); font-size: 14px; color: var(--accent-500); font-weight: 600; display: inline-flex; align-items: center; gap: 4px; }
.kv-section-link i { width: 14px; height: 14px; }

/* --- GRIDS --- */
.kv-grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.kv-grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.kv-grid-5 { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; }
@media (max-width: 768px) {
  .kv-grid-3, .kv-grid-4 { grid-template-columns: repeat(2, 1fr); }
  .kv-grid-5 { grid-template-columns: repeat(2, 1fr); }
  .kv-hero-inner { grid-template-columns: 1fr; gap: 32px; }
  .kv-section { padding: 56px 20px; }
}

/* --- AREA CARD --- */
.kv-area-card {
  position: relative; aspect-ratio: 4/5;
  border-radius: 14px; overflow: hidden;
  background: linear-gradient(135deg, #1F2937, #0A0E1A);
  cursor: pointer;
  transition: transform .25s var(--ease-out), box-shadow .25s var(--ease-out);
}
.kv-area-card:hover { transform: translateY(-4px); box-shadow: 0 12px 32px rgba(0,0,0,.12); }
.kv-area-card .overlay { position: absolute; inset: 0; background: linear-gradient(180deg, transparent 40%, rgba(0,0,0,.7)); }
.kv-area-card .grid-tex { position: absolute; inset: 0; background-image: linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px); background-size: 24px 24px; }
.kv-area-card .body { position: absolute; left: 18px; right: 18px; bottom: 18px; color: #fff; }
.kv-area-card .body .name { font-family: var(--font-jp-display); font-weight: 700; font-size: 22px; letter-spacing: -.01em; }
.kv-area-card .body .meta { display:flex; gap: 10px; margin-top: 6px; font-family: var(--font-mono); font-size: 11px; color: rgba(255,255,255,.7); }

/* --- PURPOSE CARD --- */
.kv-purpose-card {
  background: #fff; border: 1px solid var(--line); border-radius: 14px;
  padding: 22px 20px;
  transition: all .2s var(--ease-out);
  cursor: pointer;
  display: flex; flex-direction: column; gap: 12px;
}
.kv-purpose-card:hover { transform: translateY(-2px); border-color: var(--accent-500); box-shadow: var(--shadow-card-hover); }
.kv-purpose-card .icon-circ {
  width: 44px; height: 44px; border-radius: 12px;
  background: var(--accent-100); color: var(--accent-700);
  display: flex; align-items: center; justify-content: center;
}
.kv-purpose-card .icon-circ i { width: 22px; height: 22px; }
.kv-purpose-card .name { font-family: var(--font-jp-display); font-weight: 700; font-size: 16px; color: var(--ink); }
.kv-purpose-card .count { font-family: var(--font-mono); font-size: 12px; color: var(--fg-3); }
.kv-purpose-card .count strong { color: var(--accent-500); }

/* --- RANK ROW --- */
.kv-rank-row {
  display: grid;
  grid-template-columns: 60px 160px 1fr auto;
  align-items: center; gap: 22px;
  padding: 20px; border-radius: 14px;
  background: #fff; border: 1px solid var(--line);
  transition: all .2s var(--ease-out);
}
.kv-rank-row:hover { box-shadow: var(--shadow-card-hover); transform: translateY(-2px); border-color: var(--accent-500); }
.kv-rank-row .num {
  font-family: var(--font-mono); font-weight: 700; font-size: 38px;
  color: var(--fg-3); line-height: 1; text-align: center;
  letter-spacing: -.04em;
}
.kv-rank-row[data-top="1"] .num,
.kv-rank-row[data-top="2"] .num,
.kv-rank-row[data-top="3"] .num { color: var(--ink); }
.kv-rank-row[data-top="1"] { border-top: 3px solid #D4AF37; }
.kv-rank-row[data-top="2"] { border-top: 3px solid #B8B8B8; }
.kv-rank-row[data-top="3"] { border-top: 3px solid #B07B3E; }
.kv-rank-row .img {
  aspect-ratio: 16/10; border-radius: 10px;
  background: linear-gradient(135deg, #2A3441, #0A0E1A);
  color: rgba(255,255,255,.3);
  font-family: var(--font-mono); font-size: 10px;
  display: flex; align-items: center; justify-content: center;
}
.kv-rank-row .name { font-family: var(--font-jp-display); font-weight: 700; font-size: 18px; color: var(--ink); }
.kv-rank-row .meta { display:flex; gap: 12px; margin-top: 4px; align-items:center; font-family: var(--font-mono); font-size: 12px; color: var(--fg-2);}
.kv-rank-row .stars { color: #F59E0B; }
.kv-rank-row .tagrow { display:flex; gap: 6px; margin-top: 8px; flex-wrap: wrap; }
.kv-rank-row .tag {
  display:inline-flex; height: 22px; padding: 0 8px; align-items:center;
  border-radius: 999px; background: var(--surface-2); color: var(--fg-2);
  font-family: var(--font-jp); font-size: 11px;
}
.kv-rank-row .right { text-align: right; }
.kv-rank-row .right .price { font-family: var(--font-mono); font-weight: 700; font-size: 24px; color: var(--ink); letter-spacing: -.02em; }
.kv-rank-row .right .price-sub { font-family: var(--font-jp); font-size: 11px; color: var(--fg-3); margin-top: 2px; }
.kv-rank-row .right .btn { margin-top: 10px; }

/* --- COLUMN ARTICLE CARD --- */
.kv-article-card {
  border: 1px solid var(--line); border-radius: 14px; overflow: hidden;
  background: #fff;
  display: flex; flex-direction: column;
  transition: all .25s var(--ease-out);
}
.kv-article-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-card-hover); }
.kv-article-card .thumb {
  aspect-ratio: 16/10;
  background: linear-gradient(135deg, #1F2937, #4B5563);
  color: rgba(255,255,255,.3); font-family: var(--font-mono); font-size: 11px;
  display: flex; align-items: center; justify-content: center; position: relative;
}
.kv-article-card .thumb .tag { position: absolute; top: 12px; left: 12px; background: rgba(255,255,255,.92); color: var(--ink); padding: 4px 9px; border-radius: 999px; font-family: var(--font-jp); font-size: 11px; font-weight: 600; }
.kv-article-card .body { padding: 18px 18px 20px; flex: 1; display: flex; flex-direction: column; gap: 10px; }
.kv-article-card .title { font-family: var(--font-jp-display); font-weight: 700; font-size: 16px; line-height: 1.5; color: var(--ink); text-wrap: pretty; }
.kv-article-card .meta { display:flex; align-items:center; gap: 8px; font-family: var(--font-latin); font-size: 11px; color: var(--fg-3); margin-top: auto; }
.kv-article-card .meta .author { color: var(--fg-2); font-family: var(--font-jp); font-size: 12px; }

/* --- PRICE CHART --- */
.kv-pricechart { background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 28px; }
.kv-pricechart .bar-row { display: grid; grid-template-columns: 120px 1fr 70px; align-items: center; gap: 16px; padding: 8px 0; }
.kv-pricechart .bar-row .range { font-family: var(--font-mono); font-size: 13px; color: var(--fg-1); }
.kv-pricechart .bar-row .track { height: 14px; background: var(--surface-2); border-radius: 999px; overflow: hidden; }
.kv-pricechart .bar-row .fill { height: 100%; background: linear-gradient(90deg, var(--accent-500), var(--accent-700)); border-radius: 999px; }
.kv-pricechart .bar-row .pct { font-family: var(--font-mono); font-size: 12px; color: var(--fg-2); font-weight: 700; text-align: right; }

/* --- FOOTER --- */
.kv-footer {
  background: var(--ink); color: rgba(255,255,255,.65);
  padding: 60px 24px 40px;
}
.kv-footer-inner { max-width: var(--w-wide); margin: 0 auto; }
.kv-footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 48px; padding-bottom: 40px; border-bottom: 1px solid rgba(255,255,255,.1); }
.kv-footer h4 { color: #fff; font-size: 12px; font-family: var(--font-latin); letter-spacing: .14em; text-transform: uppercase; font-weight: 700; margin-bottom: 16px; }
.kv-footer ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.kv-footer a { color: rgba(255,255,255,.65); font-family: var(--font-jp); font-size: 13px; }
.kv-footer a:hover { color: #fff; text-decoration: none; }
.kv-footer .brand-block .logo img { height: 28px; }
.kv-footer .brand-block p { color: rgba(255,255,255,.55); font-size: 13px; line-height: 1.7; margin-top: 16px; max-width: 320px; }
.kv-footer-bot { padding-top: 28px; display: flex; justify-content: space-between; font-family: var(--font-latin); font-size: 11px; color: rgba(255,255,255,.4); }
@media (max-width: 768px) {
  .kv-footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}

/* --- BREADCRUMB --- */
.kv-breadcrumb { display: flex; align-items: center; gap: 8px; font-family: var(--font-jp); font-size: 12px; color: var(--fg-3); padding: 18px 0; }
.kv-breadcrumb a { color: var(--fg-2); }
.kv-breadcrumb .sep { color: var(--fg-3); }
.kv-breadcrumb .current { color: var(--fg-1); font-weight: 600; }