/* CoCat 서버 화면 공통(로그인·인가·기기 승인). cocat-campus 테마 톤: 흰 바탕, 사각 카드, 진회색 + #0074F7 */
:root {
  --c-accent: #0074f7; --c-accent-ink: #fff; --c-ink: #1f2329; --c-sub: #5b6470; --c-line: #dfe3e8;
  --c-bg: #f5f7fa; --c-card: #fff; --c-danger: #d93025; --c-ok: #0b8a4a; --c-warn: #b26a00;
  --radius: 6px; font-family: Pretendard, "Apple SD Gothic Neo", "Malgun Gothic", "Noto Sans KR", system-ui, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) { --c-ink: #e8eaed; --c-sub: #a6adb7; --c-line: #3a3f46; --c-bg: #15181c; --c-card: #1f2328; }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--c-bg); color: var(--c-ink); line-height: 1.6; }
a { color: var(--c-accent); }
.auth-wrap { min-height: 100vh; display: grid; place-items: center; padding: 24px 16px; }
.auth-card { width: 100%; max-width: 440px; background: var(--c-card); border: 1px solid var(--c-line); border-radius: var(--radius); padding: 32px 28px; }
.brand { display: flex; align-items: baseline; gap: 8px; margin-bottom: 4px; }
.brand b { font-size: 24px; letter-spacing: -0.02em; }
.brand span { color: var(--c-sub); font-size: 13px; }
.slogan { color: var(--c-sub); font-size: 13px; margin: 0 0 24px; }
h1 { font-size: 20px; margin: 0 0 12px; }
label { display: block; font-size: 14px; font-weight: 600; margin: 16px 0 6px; }
input[type=email], input[type=text] { width: 100%; padding: 11px 12px; font-size: 16px; border: 1px solid var(--c-line); border-radius: var(--radius); background: var(--c-card); color: var(--c-ink); }
input:focus-visible, button:focus-visible { outline: 3px solid color-mix(in srgb, var(--c-accent) 40%, transparent); outline-offset: 1px; }
.code-input { letter-spacing: 0.4em; font-size: 22px !important; text-align: center; font-variant-numeric: tabular-nums; }
.hint { color: var(--c-sub); font-size: 13px; margin: 6px 0 0; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; width: 100%; padding: 12px 16px; margin-top: 20px; border: 0; border-radius: var(--radius); background: var(--c-accent); color: var(--c-accent-ink); font-size: 16px; font-weight: 600; cursor: pointer; }
.btn[disabled] { opacity: .5; cursor: not-allowed; }
.btn.secondary { background: transparent; color: var(--c-ink); border: 1px solid var(--c-line); }
.btn-row { display: flex; gap: 8px; } .btn-row .btn { flex: 1; }
.link-btn { background: none; border: 0; color: var(--c-accent); cursor: pointer; padding: 0; font-size: 14px; }
.msg { margin-top: 14px; padding: 10px 12px; border-radius: var(--radius); font-size: 14px; display: none; }
.msg.show { display: block; }
.msg.error { background: color-mix(in srgb, var(--c-danger) 10%, transparent); color: var(--c-danger); }
.msg.info { background: color-mix(in srgb, var(--c-accent) 8%, transparent); color: var(--c-ink); }
.check { display: flex; gap: 8px; align-items: flex-start; font-size: 14px; margin-top: 16px; }
.check input { margin-top: 4px; }
.step { display: none; } .step.active { display: block; }
.scope-list { padding-left: 18px; color: var(--c-sub); }
.app-name { color: var(--c-accent); }
.foot { margin-top: 24px; font-size: 12px; color: var(--c-sub); text-align: center; }