:root {
  --cream: #FDFBF7;
  --warm-gray: #F4F1EA;
  --gold: #D4B26F;
  --charcoal: #2C2A29;
  --muted: #7A7571;
  --line: #E5DCCD;
  --white: #FFFFFF;
  --shadow: 0 24px 70px rgba(78, 61, 36, .14);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Noto Sans KR", Inter, sans-serif;
  color: var(--charcoal);
  background:
    radial-gradient(circle at 18% 12%, rgba(212, 178, 111, .18), transparent 28%),
    radial-gradient(circle at 82% 88%, rgba(197, 168, 128, .18), transparent 30%),
    var(--cream);
}

button,
input {
  font: inherit;
}

a {
  color: inherit;
}

.join-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 42px 18px;
}

.join-logo {
  position: fixed;
  left: 34px;
  top: 28px;
  text-decoration: none;
  color: var(--charcoal);
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -.04em;
}

.join-logo small {
  display: block;
  margin-top: 2px;
  color: var(--muted);
  font: 700 10px Inter, sans-serif;
  letter-spacing: .18em;
}

.join-card {
  width: min(100%, 460px);
  border: 1px solid rgba(229, 220, 205, .9);
  border-radius: 12px;
  background: rgba(255, 255, 255, .9);
  box-shadow: var(--shadow);
  padding: 34px;
  backdrop-filter: blur(10px);
}

.join-card-head {
  text-align: center;
  margin-bottom: 24px;
}

.join-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 28px;
  padding: 0 12px;
  border-radius: 999px;
  background: var(--warm-gray);
  color: #8B6A35;
  font: 800 11px Inter, sans-serif;
  letter-spacing: .12em;
}

.join-card h1 {
  margin: 14px 0 8px;
  font-size: 30px;
  line-height: 1.25;
  letter-spacing: -.05em;
}

.join-card p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.6;
}

.social-join-stack {
  display: grid;
  gap: 10px;
}

.social-button {
  width: 100%;
  height: 52px;
  border-radius: 8px;
  border: 1px solid transparent;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-size: 15px;
  font-weight: 800;
  cursor: pointer;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}

.social-button:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 24px rgba(78, 61, 36, .12);
}

.social-button.kakao {
  background: #FEE500;
  color: #191919;
}

.social-button.google {
  background: var(--white);
  color: #3C4043;
  border-color: #DADCE0;
}

.kakao-icon,
.google-icon {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 13px;
  font-weight: 900;
}

.kakao-icon {
  background: rgba(0, 0, 0, .12);
}

.google-icon {
  background: conic-gradient(from -45deg, #4285F4 0 25%, #34A853 0 50%, #FBBC05 0 75%, #EA4335 0 100%);
  color: #fff;
  font-family: Inter, sans-serif;
}

.join-divider {
  display: flex;
  align-items: center;
  gap: 14px;
  margin: 24px 0;
  color: #9A9288;
  font-size: 13px;
  font-weight: 600;
}

.join-divider::before,
.join-divider::after {
  content: "";
  flex: 1;
  height: 1px;
  background: #E8E0D5;
}

.join-divider span {
  white-space: nowrap;
}

.email-join-form {
  display: grid;
  gap: 15px;
}

.email-join-form label:not(.terms-check) {
  display: grid;
  gap: 8px;
}

.email-join-form label > span {
  color: var(--charcoal);
  font-size: 14px;
  font-weight: 800;
}

.email-join-form b {
  color: #9B783D;
}

.email-join-form em {
  color: var(--muted);
  font-style: normal;
  font-weight: 500;
}

.email-join-form input[type="email"],
.email-join-form input[type="password"],
.email-join-form input[type="text"] {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #FFFDF9;
  color: var(--charcoal);
  padding: 13px 14px;
  font-size: 15px;
  outline: none;
  transition: border-color .2s ease, box-shadow .2s ease, background .2s ease;
}

.email-join-form input:focus {
  border-color: var(--gold);
  background: #fff;
  box-shadow: 0 0 0 4px rgba(212, 178, 111, .16);
}

.password-guide {
  color: #9B783D;
  font-size: 13px;
  line-height: 1.5;
}

.terms-check {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 14px;
  border: 1px solid #E8E0D5;
  border-radius: 8px;
  background: var(--warm-gray);
  color: var(--muted);
  font-size: 13px;
  line-height: 1.55;
}

.terms-check input {
  width: 18px;
  height: 18px;
  margin: 2px 0 0;
  accent-color: var(--gold);
}

.terms-copy {
  flex: 1;
}

.terms-check a,
.terms-check button {
  color: var(--charcoal);
  font-weight: 800;
  text-decoration: none;
}

.terms-check button {
  border: 0;
  background: transparent;
  padding: 0;
  cursor: pointer;
  font-size: inherit;
  line-height: inherit;
}

.terms-check a:hover,
.terms-check button:hover {
  text-decoration: underline;
}

.join-message {
  min-height: 20px;
  color: #9B783D;
  font-size: 13px;
  line-height: 1.5;
}

.join-message.success {
  color: #4C735B;
}

.join-submit-button {
  width: 100%;
  min-height: 54px;
  border: 0;
  border-radius: 8px;
  background: var(--charcoal);
  color: #fff;
  font-size: 16px;
  font-weight: 800;
  cursor: pointer;
  transition: transform .2s ease, box-shadow .2s ease, opacity .2s ease;
}

.join-submit-button:hover {
  transform: translateY(-1px);
  box-shadow: 0 14px 26px rgba(44, 42, 41, .2);
}

.join-submit-button:disabled {
  opacity: .62;
  cursor: wait;
  transform: none;
  box-shadow: none;
}

.join-footnote {
  margin-top: 20px !important;
  text-align: center;
  font-size: 13px !important;
}

.join-footnote a {
  color: var(--charcoal);
  font-weight: 800;
  text-decoration: none;
}

.join-footnote a:hover {
  text-decoration: underline;
}

@media (max-width: 560px) {
  .join-page {
    align-items: start;
    padding-top: 86px;
  }

  .join-logo {
    left: 20px;
    top: 20px;
    font-size: 19px;
  }

  .join-card {
    padding: 26px 20px;
  }

  .join-card h1 {
    font-size: 25px;
  }

  .social-button {
    height: 50px;
    font-size: 14px;
  }
}

.auth-card {
  overflow: hidden;
}

.auth-panel {
  max-height: 0;
  opacity: 0;
  transform: translateY(12px);
  pointer-events: none;
  overflow: hidden;
  transition: max-height .34s ease, opacity .26s ease, transform .26s ease;
}

.auth-panel.is-active {
  max-height: 920px;
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
  overflow: visible;
}

.auth-form {
  margin-top: 0;
}

.auth-switch-text {
  margin: 18px 0 0 !important;
  text-align: center;
  color: var(--muted);
  font-size: 14px !important;
  line-height: 1.6;
}

.auth-switch-button {
  border: 0;
  background: transparent;
  color: var(--charcoal);
  padding: 0 0 2px;
  border-bottom: 1px solid var(--gold);
  font-weight: 800;
  cursor: pointer;
}

.auth-switch-button:hover {
  color: #8B6A35;
}

.auth-card.is-join-mode .join-card-head {
  margin-bottom: 22px;
}

.legal-modal-backdrop {
  position: fixed;
  z-index: 100;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 24px;
  background: rgba(44, 42, 41, .42);
  backdrop-filter: blur(6px);
}

.legal-modal-backdrop[hidden] {
  display: none !important;
}

.legal-anchor-modal {
  display: none;
}

.legal-anchor-modal:target {
  display: grid;
}

.legal-modal {
  position: relative;
  width: min(760px, 100%);
  max-height: min(82vh, 820px);
  display: grid;
  grid-template-rows: auto 1fr auto;
  border: 1px solid #E3D8C9;
  border-radius: 14px;
  background: #FDFBF7;
  color: var(--charcoal);
  box-shadow: 0 30px 90px rgba(55, 43, 28, .26);
  overflow: hidden;
}

.legal-modal-close {
  position: absolute;
  right: 18px;
  top: 16px;
  width: 36px;
  height: 36px;
  border: 0;
  border-radius: 50%;
  background: #F4F1EA;
  color: var(--charcoal);
  font-size: 24px;
  cursor: pointer;
  text-decoration: none;
  display: grid;
  place-items: center;
}

.legal-modal-head {
  padding: 30px 34px 20px;
  border-bottom: 1px solid #E7DED0;
}

.legal-modal-head small {
  color: #9B783B;
  font: 800 11px Inter, sans-serif;
  letter-spacing: .14em;
}

.legal-modal-head h2 {
  margin: 8px 44px 0 0;
  font-size: 25px;
  line-height: 1.35;
  letter-spacing: -.04em;
}

.legal-modal-body {
  overflow: auto;
  padding: 28px 34px;
  font-size: 14px;
  line-height: 1.75;
  color: #4A4642;
}

.legal-modal-body section + section {
  margin-top: 24px;
}

.legal-modal-body h3 {
  margin: 0 0 9px;
  color: var(--charcoal);
  font-size: 17px;
}

.legal-modal-body p {
  margin: 7px 0;
}

.legal-modal-body ul {
  margin: 8px 0 0;
  padding-left: 18px;
}

.legal-modal-body li + li {
  margin-top: 4px;
}

.legal-modal-body .legal-note {
  margin-top: 12px;
  border-radius: 8px;
  background: #F4F1EA;
  padding: 12px 14px;
  color: #6B625A;
}

.legal-modal-confirm {
  min-height: 52px;
  margin: 0 34px 30px;
  border: 0;
  border-radius: 8px;
  background: var(--charcoal);
  color: #fff;
  font-size: 15px;
  font-weight: 800;
  cursor: pointer;
  display: grid;
  place-items: center;
  text-decoration: none;
}

@media (max-width: 560px) {
  .legal-modal-backdrop {
    padding: 14px;
  }

  .legal-modal-head,
  .legal-modal-body {
    padding-left: 20px;
    padding-right: 20px;
  }

  .legal-modal-confirm {
    margin-left: 20px;
    margin-right: 20px;
  }
}