/* 한양하이패스 공통 토큰 · 기본 요소 */
:root {
  --bg: #F4F3EF;
  --surface: #FFFFFF;
  --surface-2: #FAFAF7;
  --ink: #111214;
  --ink-2: #3A3B3F;
  --muted: #6E6E73;
  --faint: #A3A3A8;
  --line: #E3E1DA;
  --line-2: #ECEAE4;
  --accent: #0E4A84;
  --accent-ink: #0B3B6A;
  --accent-soft: #E6EDF5;
  --green: #1F7A4D;
  --green-soft: #E3F1E9;
  --red: #B42318;
  --red-soft: #FBE9E7;
  --amber: #A15C07;
  --amber-soft: #FBF0DC;
  --gray-soft: #ECEBE7;
  --radius: 14px;
  --radius-lg: 22px;
  --shadow: 0 1px 2px rgba(17, 18, 20, .04), 0 8px 24px rgba(17, 18, 20, .06);
  --shadow-lg: 0 24px 64px rgba(17, 18, 20, .18);
  --font: 'Pretendard Variable', Pretendard, -apple-system, BlinkMacSystemFont, 'Apple SD Gothic Neo', 'Malgun Gothic', system-ui, sans-serif;
  --mono: ui-monospace, 'SF Mono', Menlo, Consolas, monospace;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.55;
  letter-spacing: -0.01em;
  -webkit-font-smoothing: antialiased;
  word-break: keep-all;
  overflow-wrap: anywhere;
}
a { color: inherit; }
button, input, select, textarea { font: inherit; color: inherit; letter-spacing: inherit; }
img, svg { display: inline-block; vertical-align: middle; }
code, kbd { font-family: var(--mono); font-size: .9em; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* ---------- 버튼 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  min-height: 40px; padding: 0 16px;
  border: 1px solid var(--line); border-radius: 10px;
  background: var(--surface); color: var(--ink);
  font-size: 14px; font-weight: 600; text-decoration: none; white-space: nowrap;
  cursor: pointer; transition: background .15s, border-color .15s, color .15s, opacity .15s;
}
.btn:hover { border-color: var(--ink-2); }
.btn:disabled { opacity: .45; cursor: not-allowed; }
.btn-primary { background: var(--ink); border-color: var(--ink); color: #fff; }
.btn-primary:hover { background: #000; border-color: #000; }
.btn-accent { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn-accent:hover { background: var(--accent-ink); border-color: var(--accent-ink); }
.btn-danger { color: var(--red); }
.btn-danger:hover { border-color: var(--red); background: var(--red-soft); }
.btn-danger-solid { background: var(--red); border-color: var(--red); color: #fff; }
.btn-ghost { border-color: transparent; background: transparent; }
.btn-ghost:hover { background: var(--gray-soft); border-color: transparent; }
.btn-sm { min-height: 32px; padding: 0 11px; font-size: 13px; border-radius: 8px; }

/* ---------- 안내 페이지 ---------- */
.page-message { min-height: 100vh; display: grid; place-items: center; padding: 40px 16px; }
.message { width: 100%; max-width: 520px; }
.message.wide { max-width: 720px; }
.message-brand { display: inline-block; margin-bottom: 48px; font-weight: 800; text-decoration: none; letter-spacing: -.02em; }
.message-brand span { color: var(--accent); font-weight: 700; margin-left: 4px; }
.eyebrow { margin: 0 0 10px; font-size: 13px; font-weight: 700; letter-spacing: .04em; color: var(--accent); text-transform: uppercase; }
.message h1 { margin: 0 0 14px; font-size: clamp(28px, 5vw, 40px); line-height: 1.2; letter-spacing: -.035em; }
.message-text { margin: 0 0 28px; color: var(--ink-2); font-size: 16px; line-height: 1.7; }
.message-text.small { font-size: 13px; color: var(--muted); margin-top: 12px; }
.message-actions { display: flex; flex-wrap: wrap; gap: 8px; }
.kv { width: 100%; border-collapse: collapse; border-top: 2px solid var(--ink); background: var(--surface); margin-top: 8px; }
.kv th, .kv td { padding: 12px 14px; border-bottom: 1px solid var(--line-2); text-align: left; vertical-align: top; font-size: 14px; }
.kv th { width: 34%; color: var(--muted); font-weight: 500; }
.kv mark { background: var(--amber-soft); color: var(--amber); border-radius: 4px; padding: 0 3px; font-size: 12px; }
.dev-form { display: grid; gap: 14px; margin-top: 24px; }
.dev-form label { display: grid; gap: 6px; font-size: 13px; color: var(--muted); }
.dev-form input { height: 44px; padding: 0 12px; border: 1px solid var(--line); border-radius: 10px; background: var(--surface); font-size: 15px; color: var(--ink); }