/* ── Login / Register Page ─────────────────────────────── */
[hidden] { display: none !important; }
.login-body {
  min-height: 100vh;
  background: #05050f;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  font-family: 'Inter', sans-serif;
  color: #fff;
  padding: 24px;
}

.login-card {
  width: 100%;
  max-width: 420px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(167, 139, 250, 0.15);
  border-radius: 16px;
  padding: 40px 36px;
  backdrop-filter: blur(20px);
}

.login-logo {
  font-family: 'Playfair Display', serif;
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: #fff;
  text-align: center;
  margin-bottom: 8px;
  text-decoration: none;
  display: block;
}

.login-subtitle {
  text-align: center;
  color: rgba(255, 255, 255, 0.45);
  font-size: 0.82rem;
  margin-bottom: 32px;
  letter-spacing: 0.04em;
}

.login-tabs {
  display: flex;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  margin-bottom: 28px;
}

.login-tab {
  flex: 1;
  padding: 10px;
  background: none;
  border: none;
  color: rgba(255, 255, 255, 0.4);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: all 0.2s;
  letter-spacing: 0.03em;
}

.login-tab--active {
  color: #a78bfa;
  border-bottom-color: #a78bfa;
}

.login-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.login-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.login-label {
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.55);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.login-input {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  padding: 11px 14px;
  color: #fff;
  font-size: 0.92rem;
  font-family: 'Inter', sans-serif;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
  width: 100%;
}
.login-input--has-toggle { padding-right: 44px; }

.login-input:focus {
  border-color: rgba(167, 139, 250, 0.5);
  box-shadow: 0 0 0 3px rgba(167, 139, 250, 0.18);
}

.login-input::placeholder {
  color: rgba(255, 255, 255, 0.2);
}

.login-input-wrap {
  position: relative;
}

.login-toggle {
  position: absolute;
  top: 50%;
  right: 8px;
  transform: translateY(-50%);
  width: 32px;
  height: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  background: none;
  border: none;
  color: rgba(255, 255, 255, 0.45);
  cursor: pointer;
  transition: color 0.2s, background 0.2s;
}
.login-toggle:hover { color: #a78bfa; background: rgba(167, 139, 250, 0.08); }
.login-toggle:focus-visible {
  outline: none;
  color: #a78bfa;
  box-shadow: 0 0 0 2px rgba(167, 139, 250, 0.4);
}

.login-forgot {
  text-align: right;
  margin-top: -4px;
  font-size: 0.78rem;
}
.login-forgot a {
  color: rgba(255, 255, 255, 0.45);
  text-decoration: none;
  transition: color 0.2s;
}
.login-forgot a:hover { color: #a78bfa; }

.login-rules {
  list-style: none;
  padding: 6px 2px 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
  font-size: 0.72rem;
  letter-spacing: 0.02em;
  color: rgba(255, 255, 255, 0.4);
}
.login-rules li {
  display: flex;
  align-items: center;
  gap: 6px;
  transition: color 0.2s;
}
.login-rules__icon {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: transparent;
  flex-shrink: 0;
  display: inline-block;
  position: relative;
  transition: border-color 0.2s, background 0.2s;
}
.login-rules li.is-valid {
  color: #4ade80;
}
.login-rules li.is-valid .login-rules__icon {
  background: #4ade80;
  border-color: #4ade80;
}
.login-rules li.is-valid .login-rules__icon::after {
  content: '';
  position: absolute;
  left: 3px;
  top: 0px;
  width: 4px;
  height: 7px;
  border: solid #05050f;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

.login-error {
  font-size: 0.82rem;
  color: #f87171;
  min-height: 20px;
  text-align: center;
}

.login-submit {
  margin-top: 8px;
  padding: 12px;
  background: #7c3aed;
  border: none;
  border-radius: 8px;
  color: #fff;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s, opacity 0.2s;
  letter-spacing: 0.03em;
}

.login-submit:hover:not(:disabled) {
  background: #6d28d9;
}

.login-submit:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.login-stars {
  position: fixed;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
  z-index: 0;
}

.login-star {
  position: absolute;
  border-radius: 50%;
  background: #fff;
}

.login-card {
  position: relative;
  z-index: 1;
}

/* ── 소셜 로그인 ───────────────────────────── */
.login-social {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 24px;
}
.login-social__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  min-height: 44px;
  padding: 10px 16px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  color: #fff;
  font-size: 0.9rem;
  font-weight: 500;
  font-family: 'Inter', sans-serif;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s, opacity 0.2s;
}
.login-social__btn:hover:not(:disabled) {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.2);
}
.login-social__btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}
.login-social__hint {
  margin-top: -2px;
  text-align: center;
  font-size: 0.7rem;
  color: rgba(255, 255, 255, 0.35);
  letter-spacing: 0.04em;
}
.login-divider {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 6px;
  font-size: 0.72rem;
  color: rgba(255, 255, 255, 0.35);
  letter-spacing: 0.06em;
}
.login-divider::before,
.login-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: rgba(255, 255, 255, 0.08);
}

/* 입력 오류 상태 — 인풋 보더 강조 */
.login-input.is-invalid {
  border-color: rgba(248, 113, 113, 0.55);
  box-shadow: 0 0 0 3px rgba(248, 113, 113, 0.15);
}

/* 로그인 척 접근성 — focus visible */
.login-tab:focus-visible {
  outline: none;
  color: #a78bfa;
  box-shadow: inset 0 -2px 0 #a78bfa;
  border-radius: 4px 4px 0 0;
}

@media (max-width: 480px) {
  .login-card {
    padding: 32px 20px;
    border-radius: 14px;
  }
  .login-rules {
    grid-template-columns: 1fr 1fr;
  }
  .login-submit {
    padding: 14px;
    font-size: 1rem;
  }
  .login-toggle {
    width: 36px;
    height: 36px;
  }
}

@media (max-width: 360px) {
  .login-rules {
    grid-template-columns: 1fr;
    gap: 4px;
  }
}