/* ════════════════════════════════════════════════════════════════════════
   ReadLens 官网 · 账户弹窗 + 顶栏登录态（editorial 设计语言）
   依赖 styles.css / 页面里已定义的 --paper / --ink / --accent 等 token。
   ════════════════════════════════════════════════════════════════════════ */

/* 子页通用顶栏（翻译页等；落地页也用一条精简版） */
.rl-topbar {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 12px 22px;
  border-bottom: 1px solid var(--rule);
  background: var(--paper);
}
.rl-topbar-brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  color: var(--ink);
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 2px;
}
.rl-topbar-brand .lens-mark { width: 20px; height: 20px; }
.rl-topbar-nav {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  gap: 18px;
}
.rl-topbar-nav > a {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.5px;
  color: var(--ink-2);
  text-decoration: none;
}
.rl-topbar-nav > a:hover { color: var(--ink); }

/* 顶栏登录态 slot */
[data-rl-auth-slot] {
  display: inline-flex;
  align-items: center;
  gap: 14px;
}
.rl-auth-link {
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.5px;
  color: var(--ink-2);
  padding: 2px 0;
}
.rl-auth-link:hover { color: var(--ink); }
.rl-auth-link--accent { color: var(--accent-2); font-weight: 600; }
.rl-auth-link--accent:hover { color: var(--accent); }
.rl-auth-email {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--ink-3);
  max-width: 180px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* 落地页「开始使用」CTA 按钮组 */
.start-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 14px 18px;
  margin: 6px 0 18px;
}
.start-actions .start-login { cursor: pointer; }

/* 弹窗 */
.rl-auth-modal {
  position: fixed;
  inset: 0;
  z-index: 2147483000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.rl-auth-modal.hidden { display: none; }
.rl-auth-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(31, 26, 20, 0.5);
}
.rl-auth-box {
  position: relative;
  width: 100%;
  max-width: 380px;
  background: var(--paper);
  border: 1px solid var(--rule);
  box-shadow: 0 18px 50px rgba(31, 26, 20, 0.28);
  padding: 30px 28px 26px;
}
.rl-auth-close {
  position: absolute;
  top: 12px; right: 14px;
  background: none; border: none;
  font-size: 22px; line-height: 1;
  color: var(--ink-3);
  cursor: pointer;
}
.rl-auth-close:hover { color: var(--ink); }
.rl-auth-eyebrow {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 2.5px;
  color: var(--ink-3);
  margin: 0 0 16px;
}
.rl-auth-tabs {
  display: flex;
  gap: 22px;
  border-bottom: 1px solid var(--rule-soft);
  margin-bottom: 20px;
}
.rl-auth-tab {
  background: none; border: none;
  padding: 0 0 10px;
  font-family: var(--serif);
  font-size: 19px; font-weight: 600;
  color: var(--ink-3);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
}
.rl-auth-tab.is-active {
  color: var(--ink);
  border-bottom-color: var(--accent);
}
.rl-auth-form { display: flex; flex-direction: column; gap: 12px; }
.rl-auth-input {
  font-family: var(--sans);
  font-size: 16px;            /* ≥16px 防 iOS 聚焦缩放 */
  padding: 12px 13px;
  background: var(--paper-3);
  border: 1px solid var(--rule);
  color: var(--ink);
  outline: none;
}
.rl-auth-input:focus { border-color: var(--accent); }
.rl-auth-submit {
  margin-top: 4px;
  font-family: var(--serif);
  font-size: 16px; font-weight: 600;
  letter-spacing: 4px;
  padding: 12px;
  background: var(--ink);
  color: var(--paper);
  border: none;
  cursor: pointer;
}
.rl-auth-submit:hover { background: var(--accent-2); }
.rl-auth-submit:disabled { opacity: 0.55; cursor: default; }
.rl-auth-error {
  font-family: var(--sans);
  font-size: 13px;
  color: var(--err);
  margin: 2px 0 0;
}
.rl-auth-error.hidden { display: none; }
.rl-auth-hint {
  margin: 16px 0 0;
  font-family: var(--sans);
  font-size: 12px;
  line-height: 1.6;
  color: var(--ink-3);
}