:root {
  --ce-paper: #ffffff;
  --ce-page: #ffffff;
  --ce-card: #ffffff;
  --ce-field: #ffffff;
  --ce-ink: #111318;
  --ce-muted: #5c6270;
  --ce-line: #dfe2e5;
  --ce-accent: #d8552b;
  --ce-shadow: 0 24px 72px rgba(25, 32, 45, 0.1);
}

[data-bs-theme="dark"] {
  --ce-paper: #0c1514;
  --ce-page: #0c1514;
  --ce-card: #111d1b;
  --ce-field: #0c1514;
  --ce-ink: #f3f4f0;
  --ce-muted: #9aa5a4;
  --ce-line: #263432;
  --ce-accent: #ff6e42;
  --ce-shadow: 0 28px 80px rgba(0, 0, 0, 0.34);
}

body {
  min-height: 100vh;
  background: var(--ce-page);
  color: var(--ce-ink);
  font-family: Pretendard, "Noto Sans KR", "Apple SD Gothic Neo", Inter, Arial, sans-serif;
}

.cehub-site-header {
  min-height: 68px;
  background: color-mix(in srgb, var(--ce-paper) 96%, transparent) !important;
  border-bottom: 1px solid var(--ce-line);
  backdrop-filter: blur(18px);
}

.cehub-header-inner {
  width: min(1440px, calc(100% - 96px));
  min-height: 68px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 28px;
  margin-inline: auto;
}

.cehub-brand {
  color: var(--ce-ink);
  font-size: 24px;
  font-weight: 850;
  letter-spacing: -0.04em;
  text-decoration: none;
}

.cehub-primary-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  color: var(--ce-ink);
  font-size: 13px;
  font-weight: 750;
}

.cehub-primary-nav a {
  position: relative;
  color: inherit;
  text-decoration: none;
}

.cehub-primary-nav a::after {
  position: absolute;
  right: 0;
  bottom: -6px;
  left: 0;
  height: 2px;
  background: var(--ce-accent);
  content: "";
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 180ms ease;
}

.cehub-primary-nav a:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

.cehub-header-actions {
  display: flex;
  justify-content: flex-end;
}

.cehub-theme-toggle {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--ce-ink);
}

.cehub-theme-track {
  position: relative;
  width: 38px;
  height: 20px;
  border: 2px solid var(--ce-ink);
}

.cehub-theme-knob {
  position: absolute;
  top: 2px;
  left: 2px;
  width: 12px;
  height: 12px;
  background: var(--ce-ink);
  transition: transform 180ms ease, background-color 180ms ease;
}

[data-bs-theme="dark"] .cehub-theme-knob {
  transform: translateX(18px);
  background: var(--ce-accent);
}

.cehub-theme-label {
  font-size: 10px;
  font-weight: 850;
  letter-spacing: 0.1em;
}

#login-main.container {
  width: 100%;
  max-width: none;
  padding: 0;
}

.cehub-login {
  width: 100%;
  min-height: calc(100vh - 68px);
  display: grid;
  place-items: center;
  padding: clamp(34px, 6vw, 76px) 20px clamp(54px, 8vw, 96px);
}

.cehub-kicker {
  color: var(--ce-accent);
  font-size: 11px;
  font-weight: 850;
  letter-spacing: 0.18em;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 14px;
  margin: 0 0 16px;
}

.cehub-kicker span {
  width: 22px;
  height: 3px;
  background: var(--ce-accent);
}

#login-main .cehub-auth-card {
  width: min(100%, 520px);
  overflow: hidden;
  background: var(--ce-card);
  border: 1px solid var(--ce-line);
  border-radius: 24px;
  box-shadow: var(--ce-shadow);
}

.cehub-auth-card header,
.cehub-auth-fields {
  padding-inline: clamp(28px, 6vw, 44px);
}

.cehub-auth-card header {
  padding-top: clamp(34px, 6vw, 48px);
  padding-bottom: 22px;
  text-align: center;
}

.cehub-auth-card h2 {
  margin: 0;
  color: var(--ce-ink);
  font-size: clamp(32px, 5vw, 42px);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.055em;
}

.cehub-login-description {
  max-width: 360px;
  margin: 16px auto 0;
  color: var(--ce-muted);
  font-size: 14px;
  line-height: 1.7;
}

.cehub-auth-fields {
  display: grid;
  gap: 10px;
  padding-top: 10px;
  padding-bottom: clamp(34px, 6vw, 44px);
}

.cehub-auth-fields label {
  margin-top: 10px;
  color: var(--ce-ink);
  font-size: 13px;
  font-weight: 800;
}

.cehub-auth-fields > input:not([type="hidden"]):not([type="submit"]) {
  width: 100%;
  min-height: 52px;
  padding: 12px 15px;
  border: 1px solid var(--ce-line);
  border-radius: 12px;
  background: var(--ce-field);
  color: var(--ce-ink);
  transition: border-color 150ms ease, box-shadow 150ms ease, background-color 150ms ease;
}

.cehub-auth-fields > input:not([type="hidden"]):not([type="submit"]):hover {
  border-color: color-mix(in srgb, var(--ce-ink) 35%, var(--ce-line));
}

.cehub-auth-fields > input:not([type="hidden"]):not([type="submit"]):focus {
  outline: none;
  border-color: var(--ce-accent);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--ce-accent) 16%, transparent);
}

.feedback-container {
  margin-top: 22px;
}

#login_submit {
  width: 100%;
  min-height: 54px;
  border: 1px solid var(--ce-ink);
  border-radius: 12px;
  background: var(--ce-ink);
  color: var(--ce-paper);
  font-weight: 850;
}

#login_submit:hover {
  background: var(--ce-accent);
  border-color: var(--ce-accent);
  color: #ffffff;
}

.login_error {
  padding: 12px;
  color: var(--ce-accent);
  border-left: 3px solid var(--ce-accent);
  background: color-mix(in srgb, var(--ce-accent) 7%, var(--ce-card));
  font-weight: 700;
}

.cehub-home-link {
  justify-self: center;
  margin-top: 18px;
  color: var(--ce-muted);
  font-size: 13px;
  font-weight: 750;
  text-decoration: none;
}

.cehub-home-link:hover {
  color: var(--ce-accent);
}

.login_terms {
  display: flex;
  align-items: start;
  gap: 9px;
  margin-top: 12px;
  color: var(--ce-muted);
}

@media (max-width: 850px) {
  .cehub-header-inner {
    width: calc(100% - 40px);
    grid-template-columns: 1fr auto;
  }

  .cehub-primary-nav {
    display: none;
  }

  .cehub-login {
    min-height: calc(100vh - 68px);
    padding-inline: 16px;
  }
}

@media (max-width: 520px) {
  .cehub-header-inner {
    width: calc(100% - 32px);
  }

  .cehub-theme-label {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
  }
}