/**
 * kr.ulsan.ldh — 스태프 로그인 화면 현대 UI (벤토형 카드 / 다크 모드)
 * login.css 이후 로드. 비즈니스 로직과 무관.
 */

:root {
  color-scheme: light;
  --login-bg: #f1f5f9;
  --login-bg-accent: radial-gradient(
    ellipse 120% 80% at 100% 0%,
    rgba(14, 165, 233, 0.09),
    transparent 50%
  ),
    radial-gradient(ellipse 80% 60% at 0% 100%, rgba(99, 102, 241, 0.06), transparent 45%);
  --login-surface: #fafafa;
  --login-card: #ffffff;
  --login-text: #0f172a;
  --login-text-muted: rgba(15, 23, 42, 0.62);
  --login-text-subtle: rgba(15, 23, 42, 0.45);
  --login-border: rgba(15, 23, 42, 0.08);
  --login-border-strong: rgba(15, 23, 42, 0.12);
  --login-accent: #0ea5e9;
  --login-accent-ring: rgba(14, 165, 233, 0.35);
  --login-danger: #dc2626;
  --login-shadow: 0 1px 2px rgba(15, 23, 42, 0.06), 0 8px 32px rgba(15, 23, 42, 0.08);
  --login-shadow-hover: 0 4px 24px rgba(15, 23, 42, 0.1);
  --login-radius: 1.25rem;
  --login-transition: 0.3s ease;
}

html[data-theme="dark"] {
  color-scheme: dark;
  --login-bg: #0b0f14;
  --login-bg-accent: radial-gradient(
    ellipse 120% 80% at 100% 0%,
    rgba(56, 189, 248, 0.12),
    transparent 50%
  ),
    radial-gradient(ellipse 80% 60% at 0% 100%, rgba(99, 102, 241, 0.08), transparent 45%);
  --login-surface: #12161c;
  --login-card: #161b22;
  --login-text: #f1f5f9;
  --login-text-muted: rgba(241, 245, 249, 0.72);
  --login-text-subtle: rgba(241, 245, 249, 0.48);
  --login-border: rgba(255, 255, 255, 0.08);
  --login-border-strong: rgba(255, 255, 255, 0.14);
  --login-accent: #38bdf8;
  --login-accent-ring: rgba(56, 189, 248, 0.35);
  --login-danger: #f87171;
  --login-shadow: 0 1px 2px rgba(0, 0, 0, 0.45), 0 12px 40px rgba(0, 0, 0, 0.4);
  --login-shadow-hover: 0 4px 28px rgba(0, 0, 0, 0.5);
}

html[data-theme="dark"] .login-theme-toggle .icon-sun {
  display: inline-block;
}
html[data-theme="dark"] .login-theme-toggle .icon-moon {
  display: none;
}
html:not([data-theme="dark"]) .login-theme-toggle .icon-sun {
  display: none;
}
html:not([data-theme="dark"]) .login-theme-toggle .icon-moon {
  display: inline-block;
}

body#loginBody.login-ui-modern {
  margin: 0;
  min-height: 100%;
  font-family: "Noto Sans KR", system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.55;
  color: var(--login-text);
  text-align: center;
  background-color: var(--login-bg);
  background-image: var(--login-bg-accent);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
  transition: background-color var(--login-transition), color var(--login-transition);
}

/* 기존 login.css 배경 이미지 제거 */
body#loginBody.login-ui-modern {
  background-repeat: no-repeat;
}

/* 벤토 그리드 셸 */
#loginBody.login-ui-modern #loginBox.login-shell {
  width: auto;
  max-width: 440px;
  margin: 0 auto;
  padding: clamp(1.5rem, 5vw, 3rem) 1.25rem 2.5rem;
  box-sizing: border-box;
  border: none;
  box-shadow: none;
  background: transparent;
}

#loginBody.login-ui-modern .login-bento {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  text-align: left;
}

#loginBody.login-ui-modern .login-card {
  background: var(--login-card);
  border: 1px solid var(--login-border);
  border-radius: var(--login-radius);
  box-shadow: var(--login-shadow);
  padding: 1.5rem 1.5rem 1.6rem;
  transition: box-shadow var(--login-transition), transform 0.25s ease,
    border-color var(--login-transition);
}

#loginBody.login-ui-modern .login-card:hover {
  box-shadow: var(--login-shadow-hover);
}

#loginBody.login-ui-modern .login-card-brand {
  text-align: center;
}

#loginBody.login-ui-modern h1#logo {
  margin: 0 0 0.5rem;
}

#loginBody.login-ui-modern #logo a {
  height: auto;
  min-height: 4.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity var(--login-transition);
}

#loginBody.login-ui-modern #logo a:hover {
  opacity: 0.88;
}

#loginBody.login-ui-modern #logo a img {
  max-height: 72px;
  max-width: min(300px, 100%);
}

#loginBody.login-ui-modern h3.login-msg {
  margin: 0.75rem 0 0;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--login-danger);
  line-height: 1.45;
  text-align: center;
}

#loginBody.login-ui-modern h3.login-forgot {
  margin: 0.5rem 0 0;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--login-text-muted);
  text-align: center;
}

#loginBody.login-ui-modern h3.login-forgot a {
  color: var(--login-accent);
  text-decoration: none;
  transition: color 0.2s ease, opacity 0.2s ease;
}

#loginBody.login-ui-modern h3.login-forgot a:hover {
  opacity: 0.85;
  text-decoration: underline;
}

#loginBody.login-ui-modern .login-card-form h3 {
  margin: 0.75rem 0 0;
  font-size: 0.88rem;
  font-weight: 600;
  text-align: center;
}

#loginBody.login-ui-modern .login-card-form h3 a {
  color: var(--login-accent);
  text-decoration: none;
  transition: color 0.2s ease, opacity 0.2s ease;
}

#loginBody.login-ui-modern .login-card-form h3 a:hover {
  opacity: 0.85;
  text-decoration: underline;
}

#loginBody.login-ui-modern div.banner {
  color: var(--login-text-muted);
  font-size: 0.875rem;
  line-height: 1.5;
  text-align: left;
}

#loginBody.login-ui-modern div.banner:not(:empty) {
  margin-top: 1rem;
  margin-bottom: 0;
  padding-top: 1rem;
  border-top: 1px solid var(--login-border);
}

#loginBody.login-ui-modern div.banner small {
  font-weight: 400;
  opacity: 0.95;
}

#loginBody.login-ui-modern .login-card-form form {
  width: 100%;
  max-width: none;
  margin: 0;
}

#loginBody.login-ui-modern .login-card-form fieldset {
  margin: 0;
  padding: 0;
}

#loginBody.login-ui-modern .login-card-form fieldset input[type="text"],
#loginBody.login-ui-modern .login-card-form fieldset input[type="password"] {
  display: block;
  width: 100%;
  margin-bottom: 0.9rem;
  padding: 0.65rem 0.85rem;
  border: 1px solid var(--login-border-strong);
  border-radius: 0.65rem;
  background: var(--login-surface);
  color: var(--login-text);
  font-size: 0.95rem;
  box-sizing: border-box;
  transition: border-color var(--login-transition), box-shadow var(--login-transition);
}

#loginBody.login-ui-modern .login-card-form fieldset input::placeholder {
  color: var(--login-text-subtle);
  font-style: normal;
  font-weight: 400;
}

#loginBody.login-ui-modern .login-card-form fieldset input:focus {
  outline: none;
  border-color: var(--login-accent);
  box-shadow: 0 0 0 3px var(--login-accent-ring);
}

#loginBody.login-ui-modern input.submit {
  width: 100%;
  margin: 0.75rem 0 0;
  padding: 0.7rem 1.25rem;
  height: auto;
  line-height: 1.4;
  font-size: 0.95rem;
  font-weight: 700;
  color: #fff;
  border: 1px solid rgba(2, 132, 199, 0.45);
  border-radius: 0.75rem;
  background: linear-gradient(180deg, #0ea5e9, #0284c7);
  background-size: 100% 200%;
  background-position: 0 0;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow var(--login-transition),
    background-position 0.3s ease, border-color var(--login-transition);
}

#loginBody.login-ui-modern input.submit:hover,
#loginBody.login-ui-modern input.submit:active {
  transform: translateY(-1px);
  box-shadow: var(--login-shadow);
  background-position: 0 100%;
}

html[data-theme="dark"] #loginBody.login-ui-modern input.submit {
  background: linear-gradient(180deg, #38bdf8, #0284c7);
}

#loginBody.login-ui-modern .login-card-sso {
  text-align: center;
}

#loginBody.login-ui-modern .login-card-sso .or {
  margin: 0 0 1rem;
}

#loginBody.login-ui-modern .login-card-sso hr {
  margin: 0;
  border: none;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent,
    var(--login-border-strong),
    transparent
  );
}

#loginBody.login-ui-modern .external-auth {
  display: block;
  margin-top: 0.5rem;
}

#loginBody.login-ui-modern .external-auth:first-of-type {
  margin-top: 0;
}

#loginBody.login-ui-modern a.external-sign-in {
  display: inline-flex;
  align-items: stretch;
  border-radius: 0.75rem;
  overflow: hidden;
  border: 1px solid var(--login-border-strong);
  background: var(--login-surface);
  transition: box-shadow var(--login-transition), transform 0.2s ease,
    border-color var(--login-transition);
}

#loginBody.login-ui-modern a.external-sign-in:hover {
  transform: translateY(-1px);
  box-shadow: var(--login-shadow);
  border-color: var(--login-accent);
}

#loginBody.login-ui-modern .external-auth-box {
  border-radius: 0.75rem;
  border: none;
}

#loginBody.login-ui-modern .external-auth-icon {
  border-right-color: var(--login-border);
  color: var(--login-text-muted);
  transition: color var(--login-transition);
}

#loginBody.login-ui-modern .external-auth-name {
  color: var(--login-text);
  font-weight: 600;
}

/* 테마 토글 */
.login-theme-toggle {
  position: fixed;
  right: 1.25rem;
  bottom: 1.25rem;
  z-index: 9998;
  width: 2.75rem;
  height: 2.75rem;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--login-border);
  border-radius: 9999px;
  background: var(--login-card);
  color: var(--login-text-muted);
  box-shadow: var(--login-shadow);
  cursor: pointer;
  transition: transform 0.25s ease, box-shadow var(--login-transition),
    border-color var(--login-transition), color var(--login-transition);
}

.login-theme-toggle:hover {
  transform: scale(1.06);
  color: var(--login-accent);
  border-color: var(--login-accent);
}

.login-theme-toggle i {
  font-size: 1.1rem;
  line-height: 1;
}

/* pwreset 등 login.tpl 미사용 — 단일 #loginBox만 있는 화면 */
#loginBody.login-ui-modern #loginBox:not(.login-shell) {
  width: 100%;
  max-width: 440px;
  margin: clamp(3rem, 10vh, 5rem) auto 2rem;
  padding: 1.75rem 1.5rem 1.5rem;
  border: 1px solid var(--login-border);
  border-radius: var(--login-radius);
  background: var(--login-card);
  box-shadow: var(--login-shadow);
  box-sizing: border-box;
  text-align: center;
}

#loginBody.login-ui-modern #loginBox:not(.login-shell) form {
  width: 100%;
  max-width: none;
  margin: 0 auto;
  text-align: left;
}

#loginBody.login-ui-modern #loginBox:not(.login-shell) fieldset input[type="text"],
#loginBody.login-ui-modern #loginBox:not(.login-shell) fieldset input[type="password"] {
  display: block;
  width: 100%;
  margin-bottom: 0.9rem;
  padding: 0.65rem 0.85rem;
  border: 1px solid var(--login-border-strong);
  border-radius: 0.65rem;
  background: var(--login-surface);
  color: var(--login-text);
  font-size: 0.95rem;
  box-sizing: border-box;
  transition: border-color var(--login-transition), box-shadow var(--login-transition);
}

#loginBody.login-ui-modern #loginBox:not(.login-shell) fieldset input:focus {
  outline: none;
  border-color: var(--login-accent);
  box-shadow: 0 0 0 3px var(--login-accent-ring);
}

#loginBody.login-ui-modern #loginBox:not(.login-shell) input.submit {
  width: 100%;
  margin-top: 0.5rem;
  padding: 0.7rem 1.25rem;
  height: auto;
  line-height: 1.4;
  font-size: 0.95rem;
  font-weight: 700;
  color: #fff;
  border: 1px solid rgba(2, 132, 199, 0.45);
  border-radius: 0.75rem;
  background: linear-gradient(180deg, #0ea5e9, #0284c7);
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow var(--login-transition);
}

#loginBody.login-ui-modern #loginBox:not(.login-shell) input.submit:hover {
  transform: translateY(-1px);
  box-shadow: var(--login-shadow);
}

#loginBody.login-ui-modern #loginBox:not(.login-shell) h3:not(.login-msg) {
  color: var(--login-text-muted);
  font-weight: 600;
  font-size: 0.95rem;
}