:root {
  --paper: #eef1f5;
  --panel: #ffffff;
  --ink: #0b0f14;
  --ink-2: #3f4856;
  --muted: #8a94a3;
  --line: #d6dce5;
  --line-strong: #b4bdca;
  --grid: rgba(37, 99, 235, 0.05);
  --grid-major: rgba(37, 99, 235, 0.10);
  --signal: #ff4f00;
  --signal-soft: rgba(255, 79, 0, 0.07);
  --yt: #ff0000;
  --display: 'Chakra Petch', 'IBM Plex Sans', system-ui, sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, Consolas, monospace;
  color-scheme: light;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  background-color: var(--paper);
  background-image:
    linear-gradient(var(--grid-major) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-major) 1px, transparent 1px),
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 80px 80px, 80px 80px, 16px 16px, 16px 16px;
  background-position: center top;
  color: var(--ink);
  font-family: var(--display);
  -webkit-font-smoothing: antialiased;
  padding-block: 28px 56px;
  padding-left: max(16px, env(safe-area-inset-left, 0px));
  padding-right: max(16px, env(safe-area-inset-right, 0px));
}

.wrap { max-width: 520px; margin: 0 auto; }

a { color: inherit; text-decoration: none; }
a:focus-visible { outline: 2px solid var(--signal); outline-offset: 2px; }

/* ── Sheet bar ── */
.sheet-bar,
.sheet-foot {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

.sheet-bar { padding-bottom: 8px; border-bottom: 1px solid var(--line-strong); margin-bottom: 28px; }
.sheet-foot { padding-top: 10px; border-top: 1px solid var(--line-strong); margin-top: 40px; }

/* ── Identity ── */
.id {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 20px;
}

.frame {
  position: relative;
  width: 116px;
  height: 116px;
  padding: 5px;
  background: var(--panel);
  border: 1px solid var(--line-strong);
}

.frame img { width: 100%; height: 100%; object-fit: cover; display: block; }

.frame::before,
.frame::after {
  content: "";
  position: absolute;
  width: 14px;
  height: 14px;
  border: 2px solid var(--signal);
}
.frame::before { top: -2px; left: -2px; border-right: 0; border-bottom: 0; }
.frame::after { bottom: -2px; right: -2px; border-left: 0; border-top: 0; }

.id h1 {
  font-size: clamp(1.6rem, 7vw, 2.3rem);
  font-weight: 700;
  line-height: 0.95;
  text-transform: uppercase;
  letter-spacing: 0.01em;
  min-width: 0;
}

.stats {
  margin-top: 12px;
  display: flex;
  flex-wrap: wrap;
  gap: 4px 14px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}
.stats b { color: var(--ink); font-weight: 700; }

/* ── YouTube ── */
.yt {
  position: relative;
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: 28px;
  padding: 14px 16px;
  background: var(--yt);
  color: #fff;
  overflow: hidden;
  transition: background 0.15s;
}

.yt::after {
  content: "";
  position: absolute;
  top: 0; right: 0; bottom: 0;
  width: 72px;
  background: repeating-linear-gradient(-45deg, rgba(255,255,255,0.16) 0 6px, transparent 6px 12px);
  pointer-events: none;
}

.yt:hover { background: #e00000; }
.yt.tt { margin-top: 8px; background: #0b0f14; }
.yt.tt:hover { background: #1c232d; }
.yt.tt .yt-name { text-transform: none; }
.yt svg { flex-shrink: 0; }
.yt-text { flex: 1; min-width: 0; }
.yt-kicker { display: block; font-family: var(--mono); font-size: 10px; letter-spacing: 0.14em; text-transform: uppercase; opacity: 0.8; }
.yt-name { display: block; font-size: 1.1rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.02em; }
.yt .go { position: relative; z-index: 1; font-size: 1.1rem; transition: transform 0.15s; }
.yt:hover .go { transform: translate(2px, -2px); }

/* ── Sections ── */
.sec { margin-top: 36px; }

.sec-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

.sec-no { color: var(--signal); font-weight: 700; }
.sec-head h2 { font-family: var(--display); font-size: 1rem; font-weight: 700; letter-spacing: 0.1em; color: var(--ink); }
.sec-head .rule { flex: 1; height: 1px; background: var(--line-strong); }

.list { display: grid; gap: 10px; }

/* ── Panels ── */
.unit {
  position: relative;
  background: var(--panel);
  border: 1px solid var(--line);
  transition: border-color 0.15s;
}

.unit::before {
  content: "";
  position: absolute;
  top: -1px; left: -1px;
  width: 28px;
  height: 3px;
  background: var(--signal);
  z-index: 2;
  transition: width 0.25s ease;
}

.unit:hover,
.unit:focus-within { border-color: var(--line-strong); }
.unit:hover::before,
.unit:focus-within::before { width: calc(100% + 2px); }

.cover { position: relative; max-width: 100%; overflow: hidden; border-bottom: 1px solid var(--line); }
.cover img { width: 100%; height: auto; display: block; }

.code {
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

.cover .code {
  position: absolute;
  left: 8px; top: 8px;
  padding: 2px 6px;
  line-height: 1.4;
  background: var(--panel);
  color: var(--ink);
  border: 1px solid var(--line);
}

.head {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
}

.head-text { flex: 1; min-width: 0; }
.head h3 { font-size: 1.05rem; font-weight: 600; line-height: 1.2; text-wrap: balance; }

.ico {
  width: 44px;
  height: 44px;
  object-fit: cover;
  border-radius: 4px;
  flex-shrink: 0;
}

.ico-glyph { display: grid; place-items: center; color: var(--ink); }
.email { overflow-wrap: anywhere; }

/* ── Store routes (one per line) ── */
.routes { list-style: none; border-top: 1px solid var(--line); }
.routes li + li { border-top: 1px solid var(--line); }

.routes a {
  position: relative;
  display: grid;
  grid-template-columns: 22px 1fr auto auto;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: background 0.12s;
}

.routes .idx { font-size: 10px; color: var(--muted); }
.routes .via { font-size: 10px; color: var(--muted); letter-spacing: 0.1em; }
.routes .go { color: var(--muted); font-family: var(--display); transition: transform 0.15s, color 0.15s; }

.routes a::before {
  content: "";
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  background: var(--signal);
  opacity: 0;
  transition: opacity 0.12s;
}

.routes a:hover { background: var(--signal-soft); }
.routes a:hover::before { opacity: 1; }
.routes a:hover .go { color: var(--signal); transform: translate(2px, -2px); }

/* ── Single-link panel ── */
a.unit.head .tag {
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-2);
  padding: 3px 7px;
  border: 1px solid var(--line);
  flex-shrink: 0;
}

a.unit.head .go { color: var(--muted); font-size: 1rem; transition: transform 0.15s, color 0.15s; }
a.unit.head:hover .go { color: var(--signal); transform: translate(2px, -2px); }

@media (max-width: 380px) {
  .id { gap: 14px; }
  .frame { width: 96px; height: 96px; }
  .routes .via { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; }
}