@charset "UTF-8";

*, *::before, *::after { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #0f1117;
  font-family: system-ui, -apple-system, "Segoe UI", "Malgun Gothic", sans-serif;
}

.admin-login-wrap {
  display: flex;
  width: 900px;
  max-width: 96vw;
  min-height: 520px;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 24px 60px rgba(0, 0, 0, .5);
}

/* ── 왼쪽 브랜딩 패널 ── */
.admin-login-brand {
  flex: 0 0 320px;
  background: linear-gradient(145deg, #2b3088 0%, #4650dd 60%, #6a5dff 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 48px 36px;
  color: #fff;
  text-align: center;
}

.brand-icon {
  width: 72px;
  height: 72px;
  border-radius: 18px;
  background: rgba(255, 255, 255, .15);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  font-size: 2rem;
  font-weight: 900;
  letter-spacing: -2px;
}

.brand-title {
  font-size: 1.6rem;
  font-weight: 800;
  letter-spacing: -.5px;
  margin-bottom: 8px;
}

.brand-sub {
  font-size: .85rem;
  opacity: .7;
  line-height: 1.5;
}

.brand-badge {
  margin-top: 40px;
  background: rgba(255, 255, 255, .15);
  border-radius: 20px;
  padding: 6px 18px;
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .5px;
}

/* ── 오른쪽 폼 패널 ── */
.admin-login-form-panel {
  flex: 1;
  background: #1c1e2b;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 52px 48px;
}

.form-heading {
  font-size: 1.35rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 6px;
}

.form-desc {
  font-size: .85rem;
  color: #8b90a7;
  margin-bottom: 36px;
}

.form-field {
  margin-bottom: 18px;
}

.form-field label {
  display: block;
  font-size: .78rem;
  font-weight: 600;
  color: #a0a5be;
  text-transform: uppercase;
  letter-spacing: .5px;
  margin-bottom: 8px;
}

.form-field input[type="text"],
.form-field input[type="password"] {
  width: 100%;
  padding: 12px 16px;
  background: #252838;
  border: 1.5px solid #31354d;
  border-radius: 8px;
  color: #e8eaf6;
  font-size: .95rem;
  outline: none;
  transition: border-color .2s;
}

.form-field input:focus {
  border-color: #4650dd;
}

.form-field input::placeholder {
  color: #555a78;
}

.error-msg {
  background: rgba(214, 57, 57, .12);
  border: 1px solid rgba(214, 57, 57, .3);
  border-radius: 8px;
  color: #f07070;
  font-size: .85rem;
  padding: 10px 14px;
  margin-bottom: 20px;
}

.btn-admin-login {
  width: 100%;
  padding: 13px;
  background: #4650dd;
  border: none;
  border-radius: 8px;
  color: #fff;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: background .2s;
  margin-top: 8px;
}

.btn-admin-login:hover {
  background: #343bb8;
}

@media (max-width: 680px) {
  .admin-login-brand { display: none; }
  .admin-login-form-panel { padding: 40px 28px; }
}