/* Marketing Contents Creator — 로그인 페이지 */
:root {
  --navy: #10233F; --navy-2: #1B3358;
  --teal: #14B8A6; --teal-dk: #0D9488; --mint: #5EEAD4;
  --ink: #17222E; --ink-2: #48586A; --ink-3: #8494A6;
  --line: #E2E9F0; --bg: #F4F7FA;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: 'Pretendard Variable', Pretendard, -apple-system, sans-serif;
  color: var(--ink); background: var(--bg); line-height: 1.6; }
img { display: block; }
a { color: inherit; }

.lg-wrap { display: grid; grid-template-columns: 1.05fr 1fr; min-height: 100vh; }

/* -------- 좌: 브랜드 -------- */
.lg-side { position: relative; isolation: isolate; overflow: hidden;
  background: var(--navy); display: grid; align-items: center; padding: 56px 60px; }
.lg-side-video { position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: cover; z-index: -2; }
.lg-side-veil { position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(140deg, rgba(16,35,63,.93), rgba(16,35,63,.72)); }
.lg-brand { display: flex; align-items: center; gap: 11px; text-decoration: none;
  color: #fff; font-size: 15.5px; margin-bottom: 46px; }
.lg-side h2 { color: #fff; font-size: 42px; line-height: 1.25; letter-spacing: -1px;
  text-shadow: 0 2px 20px rgba(0,0,0,.3); }
.lg-points { list-style: none; margin-top: 30px; display: grid; gap: 12px; }
.lg-points li { color: #C7D6E8; font-size: 15.5px; padding-left: 26px; position: relative; }
.lg-points li::before { content: '✓'; position: absolute; left: 0; color: var(--mint); font-weight: 800; }

/* -------- 우: 폼 -------- */
.lg-main { display: grid; place-items: center; padding: 48px 28px; background: #fff; }
.lg-box { width: 100%; max-width: 396px; }
.lg-mobile-brand { display: none; align-items: center; gap: 10px; text-decoration: none;
  margin-bottom: 26px; font-size: 15px; }
.lg-box h1 { font-size: 30px; color: var(--navy); letter-spacing: -.6px; }
.lg-sub { color: var(--ink-2); font-size: 14.5px; margin: 10px 0 28px; }

.lg-error { background: #FEF2F2; border: 1px solid #FECACA; color: #B91C1C;
  border-radius: 11px; padding: 12px 15px; font-size: 13.5px; margin-bottom: 18px; }

.lg-btns { display: grid; gap: 10px; }
.lg-btn { display: flex; align-items: center; justify-content: center; gap: 10px;
  width: 100%; border: 0; border-radius: 12px; padding: 15px 18px;
  font: inherit; font-weight: 700; font-size: 15.5px; cursor: pointer; transition: .15s; }
.lg-ico { display: inline-flex; }
.lg-google { background: #fff; color: #1F2937; border: 1.5px solid var(--line); }
.lg-google:hover { border-color: #C6D2DF; background: #FAFCFE; }
.lg-kakao { background: #FEE500; color: #191600; }
.lg-kakao:hover { filter: brightness(.96); }
.lg-plain { background: var(--navy); color: #fff; }
.lg-plain:hover { background: var(--navy-2); }

.lg-or { display: flex; align-items: center; gap: 12px; margin: 6px 0; color: var(--ink-3); font-size: 12.5px; }
.lg-or::before, .lg-or::after { content: ''; flex: 1; height: 1px; background: var(--line); }

.lg-note { margin-top: 24px; font-size: 12.5px; color: var(--ink-3); line-height: 1.75; }
.lg-back { display: inline-block; margin-top: 26px; font-size: 13.5px;
  color: var(--ink-2); text-decoration: none; font-weight: 600; }
.lg-back:hover { color: var(--teal-dk); }

/* -------- 반응형 -------- */
@media (max-width: 880px) {
  .lg-wrap { grid-template-columns: 1fr; }
  .lg-side { display: none; }
  .lg-mobile-brand { display: flex; }
  .lg-main { align-items: start; padding-top: 54px; }
}