/* ============================================================
   auth.css — 로그인 · 회원가입 화면 전용

   색·서체·반경은 tokens.css 의 변수만 씁니다. 여기에 값을 직접 적으면
   브랜드 색을 바꿀 때 이 화면만 옛 색으로 남습니다.
   ============================================================ */

.auth-body {
  min-height: 100dvh;
  margin: 0;
  padding: 32px 16px 48px;
  background: var(--ground);
  color: var(--ink);
  font-family: Pretendard, -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  display: flex;
  align-items: flex-start;
  justify-content: center;
}

.auth-wrap {
  width: 100%;
  max-width: 560px;
}

/* ── 로고 ─────────────────────────────────────────────── */

.auth-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 8px 0 20px;
  text-decoration: none;
  color: inherit;
}

.auth-logo .mark {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 9px;
  background: var(--brand);
  color: var(--brand-ink);
  font-weight: 800;
}

.auth-logo .nm { font-weight: 700; letter-spacing: -0.01em; }

/* ── 카드 ─────────────────────────────────────────────── */

.auth-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 6px 22px 24px;
  box-shadow: 0 1px 2px rgb(22 19 31 / 4%), 0 12px 32px rgb(22 19 31 / 6%);
}

.auth-tabs {
  display: flex;
  gap: 18px;
  border-bottom: 1px solid var(--line-soft);
  margin-bottom: 20px;
}

.auth-tabs button {
  appearance: none;
  background: none;
  border: 0;
  padding: 16px 2px 12px;
  font: inherit;
  font-weight: 600;
  color: var(--muted);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
}

.auth-tabs button.on { color: var(--ink); border-bottom-color: var(--brand); }

/* ── 폼 ───────────────────────────────────────────────── */

.auth-form { display: block; }

.auth-note {
  margin: 0 0 16px;
  padding: 10px 12px;
  border-radius: 10px;
  background: var(--brand-soft);
  color: var(--ink-2);
  font-size: 13px;
  line-height: 1.6;
}

.auth-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.auth-form .f { display: block; margin-bottom: 14px; }
.auth-grid .f { margin-bottom: 0; }
.auth-grid .f.wide { grid-column: 1 / -1; }

.auth-form .lb {
  display: block;
  margin-bottom: 6px;
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-2);
}

.auth-form .lb em {
  font-style: normal;
  font-weight: 500;
  color: var(--faint);
  margin-left: 4px;
}

.auth-form input[type="text"],
.auth-form input[type="email"],
.auth-form input[type="password"],
.auth-form input[type="tel"],
.auth-form input[type="date"] {
  width: 100%;
  box-sizing: border-box;
  padding: 11px 12px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface);
  color: var(--ink);
  font: inherit;
  font-size: 15px;
}

.auth-form input:focus {
  outline: 2px solid var(--brand);
  outline-offset: 1px;
  border-color: transparent;
}

/* ── 약관 ─────────────────────────────────────────────── */

.auth-agree {
  margin: 18px 0 4px;
  padding: 14px;
  border-radius: 12px;
  background: var(--surface-2);
  display: grid;
  gap: 10px;
}

.auth-agree label {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 14px;
  color: var(--ink-2);
  cursor: pointer;
}

.auth-agree em {
  font-style: normal;
  color: var(--faint);
  margin-left: 4px;
  font-size: 12px;
}

/* ── 버튼 · 메시지 ────────────────────────────────────── */

.auth-btn {
  width: 100%;
  margin-top: 18px;
  padding: 13px 16px;
  border: 0;
  border-radius: 11px;
  background: var(--brand);
  color: var(--brand-ink);
  font: inherit;
  font-weight: 700;
  font-size: 15px;
  cursor: pointer;
}

.auth-btn:disabled { opacity: 0.6; cursor: default; }

.auth-form .msg {
  margin: 14px 0 0;
  padding: 10px 12px;
  border-radius: 10px;
  background: var(--crit-bg);
  color: var(--crit);
  font-size: 14px;
  line-height: 1.5;
}

.auth-foot {
  margin: 18px 2px 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.7;
}

.auth-foot a { color: var(--brand); }

/* ── 모바일 ───────────────────────────────────────────── */

@media (max-width: 560px) {
  .auth-grid { grid-template-columns: 1fr; }
  .auth-card { padding: 4px 16px 20px; }
}