:root {
  --auth-bg: #f4f6fb;
  --auth-panel: #ffffff;
  --auth-soft: #eef3f8;
  --auth-text: #111827;
  --auth-muted: #687386;
  --auth-border: #dbe2ea;
  --auth-accent: #00bcd4;
  --auth-accent-strong: #07a7bd;
}

.dark {
  --auth-bg: #10121b;
  --auth-panel: #191c2b;
  --auth-soft: #22263a;
  --auth-text: #f5f7fb;
  --auth-muted: #a0a8b8;
  --auth-border: #30364b;
  --auth-accent: #21c7da;
  --auth-accent-strong: #35d6e7;
}

body {
  margin: 0;
  background: var(--auth-bg);
  color: var(--auth-text);
  font-family: "Noto Sans KR", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.auth-main {
  min-height: calc(100vh - 72px);
  padding: 48px 18px 72px;
}

.auth-panel {
  display: grid;
  grid-template-columns: minmax(0, 520px);
  justify-content: center;
  gap: 22px;
  align-items: center;
  width: min(620px, 100%);
  margin: 0 auto;
}

.auth-copy {
  padding: 0;
  text-align: center;
}

.auth-kicker {
  display: inline-flex;
  margin-bottom: 16px;
  padding: 7px 12px;
  border: 1px solid rgba(0, 188, 212, .38);
  border-radius: 999px;
  color: var(--auth-accent-strong);
  font-size: 12px;
  font-weight: 900;
}

.auth-copy h1 {
  margin: 0 0 12px;
  font-size: clamp(34px, 5vw, 46px);
  line-height: 1.08;
  letter-spacing: 0;
}

.auth-copy p {
  max-width: 560px;
  margin: 0 auto;
  color: var(--auth-muted);
  font-size: 15px;
  line-height: 1.8;
}

.auth-card {
  border: 1px solid var(--auth-border);
  border-radius: 8px;
  background: var(--auth-panel);
  box-shadow: 0 18px 50px rgba(15, 23, 42, .12);
  padding: 24px;
}

.auth-tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
  margin-bottom: 18px;
  padding: 5px;
  border: 1px solid var(--auth-border);
  border-radius: 8px;
  background: var(--auth-soft);
}

.auth-tabs button {
  min-height: 42px;
  border: 0;
  border-radius: 7px;
  background: transparent;
  color: var(--auth-muted);
  cursor: pointer;
  font: inherit;
  font-weight: 900;
}

.auth-tabs button.is-active {
  background: var(--auth-panel);
  color: var(--auth-text);
  box-shadow: 0 8px 24px rgba(15, 23, 42, .1);
}

.auth-alert {
  margin-bottom: 14px;
  padding: 12px 13px;
  border: 1px solid rgba(239, 91, 122, .4);
  border-radius: 8px;
  background: rgba(239, 91, 122, .1);
  color: #ef5b7a;
  font-size: 13px;
  line-height: 1.5;
}

.auth-alert.is-success {
  border-color: rgba(32, 214, 161, .45);
  background: rgba(32, 214, 161, .1);
  color: #20b889;
}

.auth-form {
  display: grid;
  gap: 14px;
}

.auth-form label {
  display: grid;
  gap: 8px;
  color: var(--auth-muted);
  font-size: 13px;
  font-weight: 900;
}

.auth-form input {
  width: 100%;
  min-height: 48px;
  padding: 0 13px;
  border: 1px solid var(--auth-border);
  border-radius: 8px;
  background: var(--auth-soft);
  color: var(--auth-text);
  font: inherit;
  font-size: 15px;
}

.auth-form input:focus {
  border-color: var(--auth-accent);
  box-shadow: 0 0 0 3px rgba(0, 188, 212, .14);
}

.auth-code-row {
  display: grid;
  grid-template-columns: 1fr;
  margin-top: -4px;
}

.auth-submit,
.auth-social {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  border: 0;
  border-radius: 8px;
  cursor: pointer;
  font: inherit;
  font-weight: 900;
  text-decoration: none;
}

.auth-submit {
  margin-top: 4px;
  background: var(--auth-accent);
  color: #061014;
}

.auth-submit:disabled {
  cursor: wait;
  opacity: .65;
}

.auth-divider {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 22px 0 14px;
  color: var(--auth-muted);
  font-size: 12px;
  font-weight: 900;
}

.auth-divider::before,
.auth-divider::after {
  content: "";
  height: 1px;
  flex: 1;
  background: var(--auth-border);
}

.auth-socials {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.auth-social.naver {
  background: #03c75a;
  color: #fff;
}

.auth-social.google {
  border: 1px solid var(--auth-border);
  background: var(--auth-panel);
  color: var(--auth-text);
}

.auth-social.kakao {
  background: #fee500;
  color: #191600;
}

.auth-note {
  margin: 16px 0 0;
  color: var(--auth-muted);
  font-size: 12px;
  line-height: 1.6;
}

.auth-inline-note {
  margin: -4px 0 0;
  padding: 10px 12px;
  border: 1px solid rgba(0, 188, 212, .24);
  border-radius: 8px;
  background: rgba(0, 188, 212, .08);
  color: var(--auth-muted);
  font-size: 12px;
  line-height: 1.5;
}

.auth-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px 12px;
  margin: 14px 0 0;
}

.auth-links button {
  border: 0;
  background: transparent;
  color: var(--auth-muted);
  cursor: pointer;
  font: inherit;
  font-size: 12px;
  font-weight: 900;
}

.auth-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 16px;
  border: 1px solid var(--auth-border);
  border-radius: 8px;
  background: var(--auth-soft);
  color: var(--auth-text);
  cursor: pointer;
  font: inherit;
  font-weight: 900;
}

.account-shell {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
  align-items: start;
  width: min(920px, 100%);
  margin: 0 auto;
}

.account-shell > .auth-copy {
  padding: 0;
  text-align: center;
}

.account-shell > .auth-copy .auth-kicker {
  margin-bottom: 10px;
}

.account-shell > .auth-copy h1 {
  margin-bottom: 10px;
  font-size: clamp(34px, 4vw, 46px);
}

.account-shell > .auth-copy p {
  max-width: none;
  margin: 0 auto;
  font-size: 15px;
}

.account-profile {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 18px;
}

.account-avatar {
  display: grid;
  place-items: center;
  width: 54px;
  height: 54px;
  border-radius: 999px;
  background: var(--auth-accent);
  color: #061014;
  font-size: 16px;
  font-weight: 900;
}

.account-profile h2 {
  margin: 0 0 3px;
  color: var(--auth-text);
  font-size: 22px;
  font-weight: 900;
}

.account-profile p {
  margin: 0;
  color: var(--auth-muted);
  font-size: 13px;
}

.account-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin: 18px 0;
}

.account-grid div {
  padding: 14px;
  border: 1px solid var(--auth-border);
  border-radius: 8px;
  background: var(--auth-soft);
}

.account-grid span {
  display: block;
  margin-bottom: 7px;
  color: var(--auth-muted);
  font-size: 12px;
  font-weight: 900;
}

.account-grid strong {
  color: var(--auth-text);
  font-size: 17px;
}

.account-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.account-stack {
  display: grid;
  gap: 16px;
}

.account-section-title {
  margin: 0 0 16px;
  color: var(--auth-text);
  font-size: 18px;
  font-weight: 900;
}

.account-form + .account-form {
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px solid var(--auth-border);
}

.account-password-toggle {
  width: 100%;
  margin-top: 18px;
}

.account-password-form {
  margin-top: 18px;
}

.account-password-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.account-referral-head {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 18px;
}

.account-referral-head > div {
  padding: 15px;
  border: 1px solid rgba(0, 188, 212, .26);
  border-radius: 8px;
  background: linear-gradient(135deg, rgba(0, 188, 212, .13), rgba(32, 214, 161, .08));
}

.account-referral-head span,
.account-referral-link > span {
  display: block;
  margin-bottom: 8px;
  color: var(--auth-muted);
  font-size: 12px;
  font-weight: 900;
}

.account-referral-head strong {
  color: var(--auth-text);
  font-size: 24px;
  font-weight: 900;
}

.account-referral-link {
  display: grid;
  gap: 8px;
  margin-bottom: 18px;
}

.account-referral-link > div {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 88px;
  gap: 8px;
}

.account-referral-link input {
  width: 100%;
  min-height: 48px;
  padding: 0 13px;
  border: 1px solid var(--auth-border);
  border-radius: 8px;
  background: var(--auth-soft);
  color: var(--auth-text);
  font: inherit;
  font-size: 14px;
}

body.auth-modal-embedded {
  background: transparent;
}

body.auth-modal-embedded .coz-header,
body.auth-modal-embedded .auth-copy,
body.auth-modal-embedded .auth-note {
  display: none !important;
}

body.auth-modal-embedded .auth-main {
  min-height: auto;
  padding: 0;
  background: transparent;
}

body.auth-modal-embedded .auth-panel {
  display: block;
  width: 100%;
  max-width: none;
  margin: 0;
  padding: 0;
}

body.auth-modal-embedded .auth-card {
  width: 100%;
  border: 0;
  border-radius: 0;
  box-shadow: none;
}

.account-referral-list {
  display: grid;
  gap: 8px;
}

.account-referral-list p {
  margin: 0;
  padding: 16px;
  border: 1px dashed var(--auth-border);
  border-radius: 8px;
  color: var(--auth-muted);
  font-size: 13px;
  text-align: center;
}

.account-referral-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  padding: 13px 14px;
  border: 1px solid var(--auth-border);
  border-radius: 8px;
  background: var(--auth-soft);
}

.account-referral-item strong,
.account-referral-item span {
  display: block;
}

.account-referral-item strong {
  color: var(--auth-text);
  font-size: 14px;
  font-weight: 900;
}

.account-referral-item span {
  margin-top: 4px;
  color: var(--auth-muted);
  font-size: 12px;
}

.account-referral-item > div:last-child {
  text-align: right;
}

.coz-auth-status {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 34px;
  padding: 0 11px;
  border: 1px solid var(--auth-border, rgba(125, 134, 160, .3));
  border-radius: 999px;
  background: var(--auth-panel, rgba(255, 255, 255, .06));
  color: var(--auth-text, inherit);
  font-size: 13px;
  font-weight: 900;
  text-decoration: none;
}

.info-shell-actions {
  display: inline-flex;
  align-items: center;
  justify-content: flex-end;
  flex-wrap: nowrap;
  gap: 8px;
  min-width: max-content;
  margin-left: auto;
}

.info-shell-actions > * {
  flex: 0 0 auto;
}

@media (max-width: 760px) {
  .auth-main {
    padding: 28px 14px 52px;
  }

  .auth-panel {
    grid-template-columns: 1fr;
    gap: 22px;
  }

  .account-shell {
    grid-template-columns: 1fr;
    gap: 22px;
  }

  .auth-copy h1 {
    font-size: 36px;
  }

  .auth-copy p {
    font-size: 14px;
  }

  .auth-card {
    padding: 18px;
  }

  .info-shell-actions {
    gap: 6px;
    min-width: 0;
  }

  .auth-socials {
    grid-template-columns: 1fr;
  }

  .account-grid,
  .account-actions,
  .account-password-actions,
  .account-referral-head {
    grid-template-columns: 1fr;
  }

  .account-referral-link > div,
  .account-referral-item {
    grid-template-columns: 1fr;
  }

  .account-referral-item > div:last-child {
    text-align: left;
  }
}