/* ===== 登入 / 註冊頁 ===== */
.jn-auth, .jn-auth *, .jn-auth *::before, .jn-auth *::after { box-sizing: border-box; }
body.jn-auth { margin: 0; background: var(--jn-bg); font-family: var(--jn-font); color: var(--jn-text); }
.jn-auth a { text-decoration: none; color: var(--jn-primary); }
.jn-auth a:hover { color: var(--jn-primary-hover); }

.jn-auth-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px 16px;
}

.jn-auth-card {
  width: 100%;
  max-width: 420px;
  background: var(--jn-surface);
  border-radius: var(--jn-radius-xl);
  box-shadow: var(--jn-shadow-lg);
  padding: 36px 28px;
}

.jn-auth-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  justify-content: center;
  margin-bottom: 24px;
  font-size: 19px;
  font-weight: var(--jn-fw-bold);
}
.jn-auth-logo i { color: var(--jn-primary); font-size: 22px; }

/* Heading + subtext -- ForgotPassword/ResetPassword use these instead of
   .jn-auth-tabs (those two pages aren't part of the Login/Register tab pair). */
.jn-auth-heading { font-size: 20px; font-weight: var(--jn-fw-bold); margin: 0 0 8px; text-align: center; }
.jn-auth-subtext { font-size: 13.5px; color: var(--jn-text-secondary); text-align: center; line-height: 1.6; margin: 0 0 24px; }
.jn-auth-subtext strong { color: var(--jn-text); }
/* .jn-submit-btn as a link (e.g. "返回登入") rather than a <button> -- needs
   block layout + centered text explicitly, a <button> gets those for free.
   color is required here too, not just cosmetic -- .jn-auth a further up
   this file sets every plain <a> to var(--jn-primary) (teal), which has the
   same specificity as .jn-submit-btn's own color:#fff and wins on source
   order alone, leaving teal text on a teal button (invisible). This rule's
   higher specificity (element+class) is what actually overrides it. */
a.jn-submit-btn, a.jn-submit-btn:hover { display: block; text-align: center; box-sizing: border-box; color: #fff; }

/* Tabs (連結至 /Account/Login、/Account/Register 兩個頁面) */
.jn-auth-tabs {
  display: flex;
  background: var(--jn-surface-alt);
  border-radius: 12px;
  padding: 4px;
  margin-bottom: 28px;
}
.jn-auth-tab {
  flex: 1;
  padding: 9px;
  border: none;
  border-radius: 9px;
  font-size: 14px;
  font-weight: var(--jn-fw-bold);
  cursor: pointer;
  background: transparent;
  color: var(--jn-text-secondary);
  font-family: inherit;
  text-align: center;
}
.jn-auth-tab.is-active,
.jn-auth-tab.is-active:hover {
  background: #fff;
  color: var(--jn-text);
  box-shadow: 0 1px 3px oklch(0% 0 0 / 0.08);
}

/* Google button（目前為靜態按鈕，尚未串接 OAuth） */
.jn-google-btn {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px;
  background: #fff;
  border: 1.5px solid var(--jn-border);
  border-radius: 12px;
  font-size: 15px;
  font-weight: var(--jn-fw-bold);
  color: var(--jn-text);
  box-shadow: var(--jn-shadow-xs);
  margin-bottom: 20px;
  cursor: pointer;
  font-family: inherit;
}
.jn-google-btn:hover { background: var(--jn-surface-alt); }
/* .jn-auth a already sets color/text-decoration at equal specificity to a.jn-google-btn;
   these need to come after that rule in source order to win the tie. */
a.jn-google-btn, a.jn-google-btn:hover { color: var(--jn-text); text-decoration: none; }

/* Divider */
.jn-divider {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 24px 0;
}
.jn-divider-line { flex: 1; height: 1px; background: var(--jn-border); }
.jn-divider span {
  font-size: 12.5px;
  color: var(--jn-text-tertiary);
  white-space: nowrap;
}

/* Form */
.jn-label {
  display: block;
  font-size: 13px;
  font-weight: var(--jn-fw-semibold);
  color: var(--jn-text-secondary);
  margin-bottom: 6px;
}
.jn-label-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 6px;
}
.jn-forgot-link { font-size: 12.5px; font-weight: var(--jn-fw-semibold); }

.jn-input {
  width: 100%;
  padding: 12px 14px;
  border: 1.5px solid var(--jn-border);
  border-radius: var(--jn-radius-md);
  font-size: 15px;
  margin-bottom: 16px;
  transition: border-color .15s;
  font-family: inherit;
}
.jn-input:focus {
  outline: none;
  border-color: var(--jn-primary);
}
.jn-input.input-validation-error { border-color: var(--jn-danger); }

.jn-field-error {
  display: block;
  font-size: 12px;
  color: var(--jn-danger);
  margin: -12px 0 14px;
}

.jn-pw-wrap { position: relative; margin-bottom: 22px; }
.jn-pw-input { margin-bottom: 0; padding-right: 44px; }
.jn-pw-wrap .jn-field-error { margin-bottom: 0; }
.jn-pw-toggle {
  position: absolute;
  right: 10px;
  top: 12px;
  background: none;
  border: none;
  color: var(--jn-text-tertiary);
  padding: 4px;
  cursor: pointer;
  font-size: 16px;
  line-height: 1;
}

.jn-submit-btn {
  width: 100%;
  padding: 13px;
  background: var(--jn-primary);
  color: #fff;
  border: none;
  border-radius: var(--jn-radius-md);
  font-size: 15px;
  font-weight: var(--jn-fw-bold);
  cursor: pointer;
  font-family: inherit;
}
.jn-submit-btn:hover { background: var(--jn-primary-hover); }

.jn-auth-summary-error {
  background: var(--jn-danger-bg);
  color: var(--jn-danger);
  border-radius: var(--jn-radius-md);
  padding: 10px 14px;
  font-size: 13px;
  margin-bottom: 16px;
}
.jn-auth-summary-error ul { margin: 0; padding-left: 18px; }
.jn-auth-summary-success {
  background: var(--jn-success-bg);
  color: var(--jn-success);
  border-radius: var(--jn-radius-md);
  padding: 10px 14px;
  font-size: 13px;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.jn-terms {
  font-size: 11.5px;
  color: var(--jn-text-tertiary);
  text-align: center;
  line-height: 1.6;
  margin: 20px 0 0;
}
.jn-terms a { font-size: 11.5px; }

@media (min-width: 768px) {
  .jn-auth-card { padding: 40px 32px; }
}