/* ============================================
 * 邮件订阅组件
 * 依赖：NexT 主题 CSS 变量；动漫/炫酷风由 body 类名控制
 * ============================================ */

/* 仅供读屏软件的标签 */
.site-subscribe-sr {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ---------- 侧边栏订阅卡片 ---------- */
.site-subscribe {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--box-border-color, #eee);
}

.site-subscribe-head {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 6px;
}

.site-subscribe-icon {
  font-size: 14px;
  color: var(--link-color, #0e83cd);
}

.site-subscribe-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-color, #333);
}

.site-subscribe-desc {
  margin: 0 0 10px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--text-color, #777);
}

/* 订阅步骤列表（侧边栏 / 文章底部共用基础样式） */
.site-subscribe-steps,
.post-subscribe-steps {
  margin: 0 0 12px;
  padding-left: 18px;
  font-size: 12px;
  line-height: 1.7;
  color: var(--text-color, #555);
}

.site-subscribe-steps li,
.post-subscribe-steps li {
  margin: 2px 0;
  padding-left: 2px;
}

.site-subscribe-form {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.site-subscribe-input {
  width: 100%;
  min-height: 44px;
  padding: 8px 10px;
  font-size: 13px;
  color: var(--text-color, #333);
  background: var(--content-bg-color, #fff);
  border: 1px solid var(--box-border-color, #ddd);
  border-radius: 4px;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.site-subscribe-input::placeholder {
  color: var(--text-color, #aaa);
  opacity: 0.6;
}

.site-subscribe-input:focus {
  outline: none;
  border-color: var(--link-color, #0e83cd);
  box-shadow: 0 0 0 3px rgba(14, 131, 205, 0.15);
}

.site-subscribe-btn {
  min-height: 44px;
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 500;
  color: var(--btn-default-color, #fff);
  background: var(--btn-default-bg, #222);
  border: 1px solid var(--btn-default-bg, #222);
  border-radius: 4px;
  cursor: pointer;
  transition: opacity 0.2s, transform 0.2s, background-color 0.2s;
}

.site-subscribe-btn:hover {
  opacity: 0.85;
}

.site-subscribe-btn:active {
  transform: translateY(1px);
}

.site-subscribe-btn:focus-visible {
  outline: 2px solid var(--link-color, #0e83cd);
  outline-offset: 2px;
}

.site-subscribe-note {
  margin: 8px 0 0;
  font-size: 11px;
  line-height: 1.5;
  color: var(--text-color, #999);
  opacity: 0.85;
}

.site-subscribe-rss {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-top: 6px;
  font-size: 12px;
  color: var(--link-color, #0e83cd);
  text-decoration: none;
}

.site-subscribe-rss:hover {
  text-decoration: underline;
}

/* ---------- 文章底部订阅引导 ---------- */
.post-subscribe {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 22px;
  margin: 26px 0 6px;
  padding: 18px 20px;
  background: var(--content-bg-color, #fafafa);
  border: 1px solid var(--box-border-color, #e5e5e5);
  border-radius: 8px;
}

.post-subscribe-copy {
  flex: 1 1 240px;
  min-width: 0;
}

.post-subscribe-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-color, #333);
}

.post-subscribe-title i {
  color: var(--link-color, #0e83cd);
}

.post-subscribe-desc {
  margin: 4px 0 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-color, #777);
}

.post-subscribe-steps {
  margin-top: 6px;
  font-size: 12.5px;
}

.post-subscribe-form {
  display: flex;
  flex: 1 1 320px;
  gap: 8px;
}

.post-subscribe-form .site-subscribe-input {
  flex: 1 1 auto;
  width: auto;
}

.post-subscribe-form .site-subscribe-btn {
  flex: 0 0 auto;
  white-space: nowrap;
}

.post-subscribe-foot {
  flex-basis: 100%;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font-size: 11px;
  color: var(--text-color, #999);
  opacity: 0.85;
}

.post-subscribe-foot a {
  color: var(--link-color, #0e83cd);
  text-decoration: none;
  white-space: nowrap;
}

.post-subscribe-foot a:hover {
  text-decoration: underline;
}

/* ============================================
 * 动漫风
 * ============================================ */
body.theme-anime .site-subscribe {
  border-top-color: rgba(255, 105, 180, 0.25);
}

body.theme-anime .site-subscribe-icon,
body.theme-anime .post-subscribe-title i {
  color: #d63384;
}

body.theme-anime .site-subscribe-title,
body.theme-anime .post-subscribe-title {
  color: #c2185b;
}

body.theme-anime .site-subscribe-desc,
body.theme-anime .post-subscribe-desc,
body.theme-anime .site-subscribe-steps,
body.theme-anime .post-subscribe-steps {
  color: #8a3b5c;
}

body.theme-anime .site-subscribe-input {
  color: #5c1f38;
  background: rgba(255, 255, 255, 0.72);
  border-color: rgba(255, 105, 180, 0.35);
}

body.theme-anime .site-subscribe-input::placeholder {
  color: #b56585;
}

body.theme-anime .site-subscribe-input:focus {
  border-color: #ff69b4;
  box-shadow: 0 0 0 3px rgba(255, 105, 180, 0.2);
}

body.theme-anime .site-subscribe-btn {
  color: #fff;
  background: #ff69b4;
  border-color: #ff69b4;
}

body.theme-anime .site-subscribe-btn:hover {
  background: #ff1493;
  border-color: #ff1493;
}

body.theme-anime .site-subscribe-btn:focus-visible {
  outline-color: #ff1493;
}

body.theme-anime .site-subscribe-note,
body.theme-anime .post-subscribe-foot {
  color: #ad1457;
}

body.theme-anime .site-subscribe-rss,
body.theme-anime .post-subscribe-foot a {
  color: #d63384;
}

body.theme-anime .post-subscribe {
  background: rgba(255, 255, 255, 0.55);
  border-color: rgba(255, 105, 180, 0.25);
  backdrop-filter: blur(8px);
}

/* ============================================
 * 炫酷风
 * ============================================ */
body.theme-cool .site-subscribe {
  border-top-color: rgba(0, 229, 255, 0.18);
}

body.theme-cool .site-subscribe-title,
body.theme-cool .post-subscribe-title,
body.theme-cool .site-subscribe-icon,
body.theme-cool .post-subscribe-title i {
  color: #00e5ff;
}

body.theme-cool .site-subscribe-desc,
body.theme-cool .post-subscribe-desc,
body.theme-cool .site-subscribe-steps,
body.theme-cool .post-subscribe-steps {
  color: #8bb8cf;
}

body.theme-cool .site-subscribe-input {
  color: #eaf8ff;
  background: rgba(3, 21, 29, 0.65);
  border-color: rgba(0, 229, 255, 0.25);
}

body.theme-cool .site-subscribe-input::placeholder {
  color: #6a97ac;
}

body.theme-cool .site-subscribe-input:focus {
  border-color: #00e5ff;
  box-shadow: 0 0 0 3px rgba(0, 229, 255, 0.18);
}

body.theme-cool .site-subscribe-btn {
  color: #03151d;
  font-weight: 600;
  background: linear-gradient(90deg, #00e5ff, #6c63ff);
  border-color: rgba(0, 229, 255, 0.6);
}

body.theme-cool .site-subscribe-btn:hover {
  opacity: 1;
  filter: brightness(1.1);
}

body.theme-cool .site-subscribe-btn:focus-visible {
  outline-color: #00e5ff;
}

body.theme-cool .site-subscribe-note,
body.theme-cool .post-subscribe-foot {
  color: #8bb8cf;
}

body.theme-cool .site-subscribe-rss,
body.theme-cool .post-subscribe-foot a {
  color: #00e5ff;
}

body.theme-cool .post-subscribe {
  background: rgba(7, 33, 46, 0.55);
  border-color: rgba(0, 229, 255, 0.18);
  backdrop-filter: blur(8px);
}

/* ============================================
 * 响应式与动效偏好
 * ============================================ */
@media (max-width: 767px) {
  .post-subscribe {
    flex-direction: column;
    align-items: stretch;
    padding: 16px;
  }

  .post-subscribe-form {
    flex-direction: column;
  }

  .post-subscribe-form .site-subscribe-input,
  .post-subscribe-form .site-subscribe-btn {
    width: 100%;
  }

  .post-subscribe-foot {
    flex-direction: column;
    gap: 4px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .site-subscribe-input,
  .site-subscribe-btn {
    transition: none;
  }
}