/* ============ 登录 / 注册 ============ */

.auth-body {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.auth-shell {
  width: min(1040px, 100%);
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1fr);
  background: rgba(255, 253, 247, 0.8);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.auth-aside {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 40px;
  padding: clamp(28px, 4vw, 44px);
  background: linear-gradient(160deg, #2f2d2a 0%, #3a3733 55%, #4a3129 100%);
  color: #f4efe3;
  overflow: hidden;
}

.auth-aside::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
      115deg,
      rgba(255, 255, 255, 0.045) 0 1px,
      transparent 1px 9px
    ),
    radial-gradient(70% 50% at 80% 10%, rgba(195, 39, 43, 0.24), transparent 70%);
  pointer-events: none;
}

.auth-aside .brand {
  position: relative;
  color: #f7f4ec;
  font-size: 18px;
}

.auth-aside .seal {
  background: var(--cinnabar);
}

.aside-quote {
  position: relative;
  margin: 0;
  font-family: var(--font-poem);
  font-size: clamp(19px, 2.1vw, 23px);
  line-height: 2.15;
  letter-spacing: 0.18em;
  color: #f0e8d8;
}

.aside-quote p {
  margin: 0;
}

.aside-quote cite {
  display: block;
  margin-top: 18px;
  font-family: var(--font-body);
  font-style: normal;
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: rgba(244, 239, 227, 0.55);
}

.aside-note {
  position: relative;
  font-size: 11px;
  letter-spacing: 0.46em;
  color: rgba(244, 239, 227, 0.4);
}

.auth-main {
  padding: clamp(28px, 4.4vw, 50px) clamp(22px, 4vw, 46px) clamp(26px, 3vw, 36px);
  display: flex;
  flex-direction: column;
}

.auth-card h1 {
  margin: 14px 0 8px;
  font-size: clamp(26px, 3.2vw, 32px);
  letter-spacing: 0.16em;
}

.auth-sub {
  margin-bottom: 28px;
  font-size: 13px;
  color: var(--ink-3);
  letter-spacing: 0.06em;
}

.optional {
  font-size: 11px;
  color: var(--ink-4);
  letter-spacing: 0.04em;
}

.pwd-wrap {
  position: relative;
}

.pwd-wrap .input {
  padding-right: 62px;
}

.pwd-toggle {
  position: absolute;
  top: 50%;
  right: 6px;
  transform: translateY(-50%);
  padding: 6px 10px;
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--ink-3);
  border-radius: var(--r-sm);
}

.pwd-toggle:hover {
  color: var(--cinnabar);
  background: var(--cinnabar-soft);
}

.pwd-meter {
  display: flex;
  gap: 4px;
  margin-top: 2px;
}

.pwd-meter i {
  flex: 1;
  height: 3px;
  border-radius: 99px;
  background: var(--paper-3);
  transition: background var(--dur) var(--ease);
}

.pwd-meter[data-level="1"] i:nth-child(-n + 1) {
  background: var(--cinnabar);
}
.pwd-meter[data-level="2"] i:nth-child(-n + 2) {
  background: #c98b2b;
}
.pwd-meter[data-level="3"] i {
  background: var(--bamboo);
}

.auth-switch {
  margin-top: 16px;
  text-align: center;
  font-size: 12.5px;
  color: var(--ink-3);
}

.auth-switch a {
  color: var(--cinnabar);
  border-bottom: 1px solid rgba(195, 39, 43, 0.3);
}

.back-home {
  margin-top: auto;
  padding-top: 26px;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--ink-4);
  transition: color var(--dur) var(--ease);
}

.back-home:hover {
  color: var(--cinnabar);
}

#turnstile-slot {
  margin-bottom: 8px;
}

@media (max-width: 820px) {
  .auth-body {
    padding: 0;
    display: block;
  }
  .auth-shell {
    grid-template-columns: 1fr;
    border: none;
    border-radius: 0;
    box-shadow: none;
    min-height: 100vh;
    background: transparent;
  }
  .auth-aside {
    padding: 22px 22px 26px;
    gap: 22px;
  }
  .aside-quote {
    font-size: 16px;
    line-height: 2;
  }
  .aside-quote cite {
    margin-top: 10px;
  }
  .aside-note {
    display: none;
  }
  .auth-main {
    background: var(--paper);
    padding: 24px 20px 34px;
  }
  .auth-card {
    background: rgba(255, 253, 247, 0.7);
    border: 1px solid var(--line);
    border-radius: var(--r-md);
    padding: 22px 18px;
  }
}