/* im — 인증 화면 (01 로그인 / 02 비밀번호 변경)
 * 디자인 시안 screens.css의 login-screen 블록 이식 + 서버 검증 메시지 스타일 추가
 */

/* — Login (심플형 — 1차 요청사항: 히어로 없이 폼만) — */
.login-simple {
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  background: var(--c-bg);
  padding: 24px;
}
.login-simple .login-form__inner { width: 100%; max-width: 360px; }
.login-simple h2 { font-size: 22px; font-weight: 700; margin: 0 0 24px; letter-spacing: -0.02em; }
.login-simple .btn { width: 100%; height: 40px; }
.login-simple__brand {
  display: flex; align-items: center; gap: 8px;
  margin-bottom: 28px;
  font-size: 13px; font-weight: 600; color: var(--c-text-2);
}
.login-simple__brand .brand-mark {
  width: 28px; height: 28px; border-radius: 8px;
  background: var(--c-primary-600); color: #fff;
  display: grid; place-items: center; font-weight: 700;
}

/* — Login (히어로형 — 참고 보관) — */
.login-screen {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  background: var(--c-bg);
}
.login-hero {
  background: linear-gradient(135deg, #4C1D95 0%, #7C3AED 60%, #A78BFA 100%);
  position: relative;
  display: flex; flex-direction: column; justify-content: space-between;
  padding: 40px;
  color: #fff;
  overflow: hidden;
}
.login-hero::before {
  content: "";
  position: absolute; inset: 0;
  background-image: radial-gradient(rgba(255,255,255,0.08) 1px, transparent 1px);
  background-size: 22px 22px;
  pointer-events: none;
}
.login-hero__brand { display: flex; align-items: center; gap: 10px; position: relative; z-index: 1; }
.login-hero__brand .mark {
  width: 36px; height: 36px; border-radius: 10px;
  background: rgba(255,255,255,0.18);
  display: grid; place-items: center;
  backdrop-filter: blur(8px);
  font-weight: 700; font-size: 18px;
}
.login-hero__copy { position: relative; z-index: 1; }
.login-hero__copy h1 {
  font-size: 36px; font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.15;
  margin: 0 0 12px;
}
.login-hero__copy p {
  font-size: 14px; line-height: 1.65;
  opacity: 0.85;
  max-width: 400px;
  margin: 0;
}
.login-hero__pill {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 10px;
  background: rgba(255,255,255,0.16);
  border-radius: 99px;
  font-size: 11px; font-weight: 500;
  margin-bottom: 24px;
}
.login-hero__features {
  display: grid; grid-template-columns: 1fr 1fr; gap: 12px;
  margin-top: 32px;
  position: relative; z-index: 1;
}
.login-hero__feat {
  padding: 12px 14px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 10px;
  backdrop-filter: blur(8px);
}
.login-hero__feat strong { font-size: 12px; font-weight: 600; display: block; margin-bottom: 2px; }
.login-hero__feat span { font-size: 11px; opacity: 0.8; }
.login-hero__foot { font-size: 11px; opacity: 0.6; position: relative; z-index: 1; }

.login-form {
  display: flex; align-items: center; justify-content: center;
  padding: 40px;
}
.login-form__inner { width: 100%; max-width: 360px; }
.login-form h2 { font-size: 22px; font-weight: 700; margin: 0 0 6px; letter-spacing: -0.02em; }
.login-form > .login-form__inner > p { font-size: 13px; color: var(--c-text-3); margin: 0 0 28px; }
.field { margin-bottom: 14px; }
.field label { font-size: 12px; color: var(--c-text-2); font-weight: 500; display: block; margin-bottom: 6px; }
.field .input { height: 38px; }
.login-form .btn { width: 100%; height: 40px; }
.login-form__alt { display: flex; justify-content: space-between; font-size: 11px; color: var(--c-text-3); margin-top: 16px; }
.login-form__alt a { color: var(--c-primary-600); text-decoration: none; }

/* — 서버 검증 / 오류 메시지 — */
.auth-error {
  display: flex; align-items: flex-start; gap: 8px;
  padding: 10px 12px;
  margin-bottom: 16px;
  background: var(--c-danger-bg);
  border: 1px solid var(--c-danger-border);
  border-radius: var(--r-md);
  font-size: 12px; color: var(--c-danger);
  line-height: 1.5;
}
.auth-error ul { margin: 0; padding-left: 16px; }
.auth-notice {
  padding: 10px 12px;
  margin-bottom: 16px;
  background: var(--c-info-bg);
  border: 1px solid var(--c-info-border);
  border-radius: var(--r-md);
  font-size: 12px; color: var(--c-info);
  line-height: 1.5;
}
.field .field-error { font-size: 11px; color: var(--c-danger); margin-top: 4px; display: block; }

/* — 접속 안내 박스 — */
.login-help {
  margin-top: 24px; padding: 12px;
  background: var(--c-surface-2);
  border-radius: 8px;
  font-size: 11px; color: var(--c-text-3);
  line-height: 1.6;
}
.login-help strong { color: var(--c-text-2); display: block; margin-bottom: 4px; font-size: 12px; }

/* — 비밀번호 강도 (화면 02) — */
.pw-strength { margin-top: 8px; }
.pw-strength__bars { display: flex; gap: 4px; margin-bottom: 8px; }
.pw-strength__bar { height: 4px; flex: 1; border-radius: 99px; background: var(--c-surface-3); transition: background 150ms; }
.pw-strength__bar.is-weak { background: var(--c-danger); }
.pw-strength__bar.is-mid  { background: var(--c-warning); }
.pw-strength__bar.is-good { background: var(--c-success); }
.pw-strength__label { font-size: 11px; color: var(--c-text-3); display: flex; justify-content: space-between; }
.pw-rules {
  padding: 10px 12px;
  background: var(--c-surface-2);
  border-radius: 8px;
  margin-bottom: 16px;
}
.pw-rules__item {
  display: flex; align-items: center; gap: 8px;
  padding: 3px 0;
  font-size: 11px; color: var(--c-text-3);
}
.pw-rules__item.is-ok { color: var(--c-success); }
.pw-rules__item .tick { width: 14px; text-align: center; }

/* — 관리자 폼 행 (디자인 시안 FormRow 이식: 140px 라벨 + 본문) — */
.form-row {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 16px;
  padding: 12px 0;
  border-bottom: 1px solid var(--c-divider);
  align-items: flex-start;
}
.form-row:last-child { border-bottom: none; }
.form-row > label {
  font-size: 12px;
  font-weight: 500;
  color: var(--c-text-2);
  padding-top: 8px;
}
.form-row > label em { color: var(--c-danger); font-style: normal; margin-left: 2px; }

/* — 플레이스홀더 페이지 (Area 대시보드 임시) — */
.placeholder-page {
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  background: var(--c-bg);
  padding: 24px;
}
.placeholder-card {
  width: 100%; max-width: 480px;
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--r-xl);
  padding: 32px 36px;
  box-shadow: var(--shadow-md);
}
.placeholder-card h1 { font-size: 20px; font-weight: 700; margin: 0 0 8px; letter-spacing: -0.02em; }
.placeholder-card .desc { font-size: 13px; color: var(--c-text-3); margin: 0 0 20px; line-height: 1.6; }
.placeholder-card .meta {
  padding: 12px 14px;
  background: var(--c-surface-2);
  border-radius: var(--r-md);
  font-size: 12px; color: var(--c-text-2);
  margin-bottom: 20px;
}
.placeholder-card .meta div { padding: 2px 0; }

@media (max-width: 860px) {
  .login-screen { grid-template-columns: 1fr; }
  .login-hero { display: none; }
}