@font-face { font-family: "Black Han Sans"; src: url(fonts/BlackHanSans-Regular.woff2) format("woff2"); font-display: swap; }
@font-face { font-family: "JetBrains Mono"; src: url(fonts/JetBrainsMono-ExtraBold.woff2) format("woff2"); font-weight: 800; font-display: swap; }
@font-face { font-family: "Pretendard"; src: url(fonts/Pretendard-Bold.woff2) format("woff2"); font-weight: 700; font-display: swap; }
@font-face { font-family: "Pretendard"; src: url(fonts/Pretendard-Black.woff2) format("woff2"); font-weight: 900; font-display: swap; }

:root {
  --ink: #0B0C0E; --panel: #16181C; --line: #2A2D33;
  --tak: #3DFF5A; --tak-off: #12401C; --white: #FFFFFF; --dim: rgba(255,255,255,.55);
  --error: #FF6B6B;
  --display: "Black Han Sans", "Pretendard", sans-serif;
  --body: "Pretendard", system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;
}
* { box-sizing: border-box; margin: 0; }
html, body { height: 100%; }
body {
  background: var(--ink); color: var(--white); font: 700 16px/1.5 var(--body);
  -webkit-font-smoothing: antialiased; -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}
a { color: inherit; text-decoration: none; }
.wrap { max-width: 440px; margin: 0 auto; min-height: 100%; padding: 32px 16px 24px; display: flex; flex-direction: column; }
.meta { font: 800 12px/1 var(--mono); letter-spacing: .12em; color: var(--dim); }
.foot { margin-top: auto; padding-top: 14px; border-top: 1px solid var(--line); display: flex; justify-content: space-between; }
.btn {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  width: 100%; min-height: 60px; padding: 16px 20px; border-radius: 14px; border: 2px solid var(--white);
  background: var(--white); color: var(--ink); font: 900 18px/1.2 var(--body); cursor: pointer;
}
.btn.ghost { background: transparent; color: var(--white); border-color: var(--line); }
.btn:active { transform: translateY(2px); }
.btn:focus-visible { outline: 3px solid var(--tak); outline-offset: 3px; }