/* ==========================================================================
   Hermes 中文社区 · 与主站深度融合样式
   加载顺序：在 Flarum 编译后的 forum.css 之后（由 extend.php 注入到 <head>）
   目标：社区视觉与 https://ai.heziya.com 完全同构
   ========================================================================== */

/* ---------- 1. 调色板对齐主站 ---------- */
:root {
  --nd-bg: #05080f;
  --nd-bg-soft: #0a1120;
  --nd-card: #0d1626;
  --nd-card-hover: #111d33;
  --nd-border: #1b2a45;
  --nd-border-bright: #27405f;
  --nd-text: #e8f0ff;
  --nd-text-dim: #a9bcd8;
  --nd-muted: #93a8c6;
  --nd-accent: #35e6c4;
  --nd-accent-2: #7c8cff;
  --nd-radius: 14px;
  --nd-radius-sm: 9px;
  --nd-maxw: 1180px;

  /* 覆盖 Flarum 主题变量 */
  --body-bg: #05080f;
  --body-bg-faded: rgba(5, 8, 15, 0.93);
  --body-bg-light: #0d1626;
  --body-bg-shaded: #030509;
  --text-color: #e8f0ff;
  --heading-color: #e8f0ff;
  --muted-color: #93a8c6;
  --muted-color-light: #a9bcd8;
  --link-color: #35e6c4;
  --primary-color: #35e6c4;
  --secondary-color: #7c8cff;
  --header-bg: rgba(5, 8, 15, 0.82);
  --header-color: #e8f0ff;
  --header-control-bg: #0d1626;
  --header-control-color: #a9bcd8;
  --control-bg: #0d1626;
  --control-bg-light: #111d33;
  --control-bg-shaded: #0a1120;
  --control-color: #a9bcd8;
  --button-bg: #0d1626;
  --button-bg-hover: #111d33;
  --button-color: #a9bcd8;
  --border-color: #1b2a45;
  --border-radius: 10px;
  --control-radius: 9px;
  --container-hd: 1180px;
  --container-xl: 1180px;
  --container-xxl: 1180px;
  --discussion-title-color: #e8f0ff;
  --code-bg: #0a1120;
  --shadow-color: rgba(0, 0, 0, 0.45);
}

/* ---------- 2. 隐藏 Flarum 自带页眉（DOM 保留，供 JS 调起原生弹窗） ---------- */
.App-header {
  display: none !important;
}

/* ---------- 3. 主站同款背景 ---------- */
html,
body {
  background: var(--nd-bg) !important;
}

body {
  font-family: system-ui, -apple-system, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif !important;
  -webkit-font-smoothing: antialiased;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(900px 500px at 12% -8%, rgba(53, 230, 196, 0.12), transparent 60%),
    radial-gradient(800px 480px at 88% 4%, rgba(124, 140, 255, 0.12), transparent 60%),
    radial-gradient(700px 500px at 50% 100%, rgba(255, 122, 89, 0.05), transparent 65%);
  pointer-events: none;
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(rgba(53, 230, 196, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(53, 230, 196, 0.035) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(circle at 50% 0%, black 0%, transparent 75%);
  -webkit-mask-image: radial-gradient(circle at 50% 0%, black 0%, transparent 75%);
  pointer-events: none;
}

/* ---------- 4. 顶部导航条（主站 1:1） ---------- */
.nd-topbar {
  position: sticky;
  top: 0;
  z-index: 3000;
  background: rgba(5, 8, 15, 0.82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--nd-border);
  font-family: system-ui, -apple-system, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}

.nd-inner {
  max-width: var(--nd-maxw);
  margin: 0 auto;
  padding: 0 22px;
  height: 66px;
  display: flex;
  align-items: center;
  gap: 18px;
  box-sizing: border-box;
}

.nd-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 18px;
  letter-spacing: 0.5px;
  white-space: nowrap;
  color: var(--nd-text) !important;
  text-decoration: none !important;
}

.nd-mark {
  width: 30px;
  height: 30px;
  border-radius: 8px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--nd-accent), var(--nd-accent-2));
  color: #04120f;
  font-size: 15px;
  font-weight: 900;
  font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
  flex-shrink: 0;
}

.nd-logo small {
  display: block;
  font-size: 11px;
  font-weight: 400;
  color: var(--nd-muted);
  letter-spacing: 1.5px;
  line-height: 1.2;
}

.nd-nav {
  display: flex;
  align-items: center;
  gap: 26px;
  font-size: 14.5px;
  color: var(--nd-text-dim);
  margin-left: auto;
}

.nd-nav a {
  color: var(--nd-text-dim) !important;
  text-decoration: none !important;
  transition: color 0.18s;
  white-space: nowrap;
}

.nd-nav a:hover,
.nd-nav a.is-active {
  color: var(--nd-accent) !important;
}

.nd-actions {
  display: flex;
  align-items: center;
  gap: 9px;
  margin-left: 18px;
  flex-shrink: 0;
}

.nd-icon {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  border: 1px solid var(--nd-border-bright);
  background: rgba(255, 255, 255, 0.03);
  color: var(--nd-text-dim);
  cursor: pointer;
  padding: 0;
  transition: all 0.15s;
}

.nd-icon:hover {
  border-color: var(--nd-accent);
  color: var(--nd-accent);
}

.nd-icon svg {
  width: 15px;
  height: 15px;
  fill: currentColor;
}

.nd-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 15px;
  border-radius: var(--nd-radius-sm);
  font-size: 13.5px;
  font-weight: 600;
  border: 1px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  text-decoration: none !important;
  transition: transform 0.16s, box-shadow 0.16s, background 0.16s, border-color 0.16s, color 0.16s;
}

.nd-btn-ghost {
  background: rgba(255, 255, 255, 0.03);
  border-color: var(--nd-border-bright);
  color: var(--nd-text-dim) !important;
}

.nd-btn-ghost:hover {
  border-color: var(--nd-accent);
  color: var(--nd-accent) !important;
  transform: translateY(-2px);
}

.nd-btn-primary {
  background: linear-gradient(135deg, var(--nd-accent), #22c4a7);
  color: #04120f !important;
  box-shadow: 0 6px 24px rgba(53, 230, 196, 0.22);
}

.nd-btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(53, 230, 196, 0.3);
}

/* 用户菜单 */
.nd-user {
  position: relative;
}

.nd-user-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 5px 10px 5px 6px;
  border-radius: 999px;
  border: 1px solid var(--nd-border-bright);
  background: rgba(255, 255, 255, 0.03);
  cursor: pointer;
  color: var(--nd-text-dim);
  font-family: inherit;
  font-size: 13.5px;
  transition: all 0.15s;
}

.nd-user-btn:hover {
  border-color: var(--nd-accent);
  color: var(--nd-accent);
}

.nd-ava {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  object-fit: cover;
  display: block;
  flex-shrink: 0;
}

.nd-ava-fallback {
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--nd-accent), var(--nd-accent-2));
  color: #04120f;
  font-weight: 800;
  font-size: 12px;
}

.nd-uname {
  max-width: 110px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.nd-caret {
  font-size: 10px;
  opacity: 0.7;
}

.nd-menu {
  position: absolute;
  right: 0;
  top: calc(100% + 10px);
  min-width: 168px;
  background: var(--nd-card);
  border: 1px solid var(--nd-border);
  border-radius: 12px;
  padding: 6px;
  box-shadow: 0 18px 44px rgba(0, 0, 0, 0.55);
  display: none;
  z-index: 3100;
}

.nd-user.open .nd-menu {
  display: block;
}

.nd-menu a,
.nd-menu button {
  display: block;
  width: 100%;
  text-align: left;
  padding: 8px 11px;
  border-radius: 8px;
  font-size: 13.5px;
  color: var(--nd-text-dim) !important;
  background: transparent;
  border: 0;
  cursor: pointer;
  font-family: inherit;
  text-decoration: none !important;
  box-sizing: border-box;
}

.nd-menu a:hover,
.nd-menu button:hover {
  background: rgba(53, 230, 196, 0.09);
  color: var(--nd-accent) !important;
}

.nd-menu .nd-logout {
  color: #ff8a72 !important;
}

.nd-menu .nd-logout:hover {
  background: rgba(255, 122, 89, 0.12);
  color: #ff8a72 !important;
}

/* 移动端汉堡 + 面板 */
.nd-burger {
  display: none;
  width: 36px;
  height: 36px;
  border-radius: 8px;
  border: 1px solid var(--nd-border-bright);
  background: rgba(255, 255, 255, 0.03);
  color: var(--nd-text-dim);
  cursor: pointer;
  padding: 0;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.nd-burger svg {
  width: 17px;
  height: 17px;
  fill: currentColor;
}

.nd-mobile {
  display: none;
  border-top: 1px solid var(--nd-border);
  background: rgba(5, 8, 15, 0.97);
  padding: 10px 22px 16px;
}

.nd-mobile.open {
  display: block;
}

.nd-mobile a,
.nd-mobile button {
  display: block;
  padding: 11px 4px;
  font-size: 14.5px;
  color: var(--nd-text-dim) !important;
  border-bottom: 1px solid rgba(27, 42, 69, 0.65);
  text-decoration: none !important;
  background: transparent;
  border-left: 0;
  border-right: 0;
  border-top: 0;
  width: 100%;
  text-align: left;
  font-family: inherit;
  cursor: pointer;
}

.nd-mobile a:last-child,
.nd-mobile button:last-child {
  border-bottom: 0;
}

.nd-mobile a:hover,
.nd-mobile button:hover,
.nd-mobile a.is-active {
  color: var(--nd-accent) !important;
}

/* 移动端菜单里的「发起讨论」主操作 */
.nd-mobile .nd-mobile-primary {
  color: var(--nd-accent) !important;
  font-weight: 700;
  letter-spacing: 0.2px;
}

/* ---------- 5. 容器宽度对齐主站 ---------- */
.container {
  max-width: 1180px !important;
  padding-left: 22px !important;
  padding-right: 22px !important;
}

/* 原生页眉已隐藏，去掉 Flarum 预留的 header 高度 */
.App {
  padding-top: 0 !important;
}

/* ---------- 6. 内容区细节统一 ---------- */
.App-content {
  padding-top: 26px;
}

/* 欢迎横幅：收进 1180 容器，做成主站同款卡片 */
.Hero,
.Hero.Hero--blue {
  max-width: 1180px !important;
  margin: 0 auto 26px !important;
  box-sizing: border-box;
  background: linear-gradient(135deg, rgba(53, 230, 196, 0.09), rgba(124, 140, 255, 0.08)) !important;
  border: 1px solid var(--nd-border-bright) !important;
  border-radius: var(--nd-radius) !important;
  color: var(--nd-text) !important;
  padding: 30px 32px !important;
}

.Hero .container {
  max-width: none !important;
  padding: 0 !important;
}

/* 放宽横幅文字列，避免尾行只剩两三个字 */
.Hero .containerNarrow {
  max-width: 820px !important;
}

.Hero h2,
.Hero .Hero-title {
  color: var(--nd-text) !important;
  font-weight: 800;
  letter-spacing: 0.2px;
}

.Hero .Hero-subtitle {
  color: var(--nd-text-dim) !important;
  line-height: 1.8;
  max-width: 820px !important;
  margin-left: auto;
  margin-right: auto;
  text-wrap: pretty;
}

/* 列表标签：桌面端完整显示两个标签，移动端回到标题下方换行 */
.DiscussionListItem .item-tags .TagLabel {
  font-size: 11.5px !important;
}

.DiscussionListItem-content {
  min-width: 0;
}

@media (min-width: 768px) {
  .IndexPage .DiscussionListItem-info > .item-tags,
  .DiscussionList--floatingTags .DiscussionListItem-info > .item-tags {
    max-width: 260px !important;
    -webkit-mask-image: none !important;
    mask-image: none !important;
  }

  .DiscussionListItem .DiscussionListItem-title {
    display: block !important;
    margin-right: 250px !important;
    overflow: hidden !important;
    text-overflow: ellipsis !important;
    white-space: nowrap !important;
  }
}

@media (max-width: 767px) {
  .DiscussionListItem .DiscussionListItem-title {
    display: block !important;
    margin-right: 0 !important;
    white-space: normal !important;
    overflow: visible !important;
  }

  .IndexPage .DiscussionListItem-info > .item-tags,
  .DiscussionList--floatingTags .DiscussionListItem-info > .item-tags {
    position: static !important;
    display: block !important;
    max-width: 100% !important;
    margin: 5px 0 2px !important;
    white-space: normal !important;
    overflow: visible !important;
    -webkit-mask-image: none !important;
    mask-image: none !important;
  }
}

/* 讨论列表卡片 */
.DiscussionList-discussions {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.DiscussionListItem {
  background: var(--nd-card) !important;
  border: 1px solid var(--nd-border) !important;
  border-radius: var(--nd-radius) !important;
  transition: border-color 0.16s, transform 0.16s, background 0.16s;
  margin: 0 !important;
  padding: 4px 0;
}

.DiscussionListItem:hover {
  border-color: var(--nd-border-bright) !important;
  background: var(--nd-card-hover) !important;
  transform: translateY(-1px);
}

.DiscussionListItem-title,
.DiscussionListItem-title a {
  color: var(--nd-text) !important;
  font-weight: 700;
}

.DiscussionListItem-info {
  color: var(--nd-muted) !important;
}

.DiscussionListItem-lastPoster,
.DiscussionListItem-lastPoster time {
  color: var(--nd-muted) !important;
}

/* 统计小方块 */
.DiscussionListItem-count {
  color: var(--nd-text-dim) !important;
}

/* 按钮统一 */
.Button {
  border-radius: var(--nd-radius-sm) !important;
  font-weight: 600;
}

.Button--primary,
.Button--primary .Button-label {
  color: #04120f !important;
}

.Button--primary {
  background: linear-gradient(135deg, var(--nd-accent), #22c4a7) !important;
  border-color: transparent !important;
  box-shadow: 0 6px 20px rgba(53, 230, 196, 0.18);
}

.Button--primary:hover {
  background: linear-gradient(135deg, #41f0cd, #26d4b4) !important;
}

/* 标签徽章 */
.TagLabel,
.TagLabel .TagLabel-text {
  border-radius: 999px !important;
  font-size: 12px !important;
}

/* 表单控件 */
.FormControl {
  background: var(--nd-bg-soft) !important;
  border: 1px solid var(--nd-border) !important;
  border-radius: var(--nd-radius-sm) !important;
  color: var(--nd-text) !important;
}

.FormControl:focus {
  border-color: var(--nd-accent) !important;
  box-shadow: 0 0 0 3px rgba(53, 230, 196, 0.12) !important;
}

/* 弹窗 */
.Modal-content {
  background: var(--nd-card) !important;
  border: 1px solid var(--nd-border) !important;
  border-radius: var(--nd-radius) !important;
}

.Modal-header {
  background: transparent !important;
}

/* 侧栏 / 面板 */
.App-footer {
  border-top: 1px solid var(--nd-border);
  color: var(--nd-muted);
  padding-top: 26px;
  margin-top: 40px;
}

.App-footer .Footer-link,
.App-footer a {
  color: var(--nd-muted) !important;
}

.App-footer .Footer-link:hover,
.App-footer a:hover {
  color: var(--nd-accent) !important;
}

/* 代码块 / 引用 */
code,
pre {
  font-family: ui-monospace, "SFMono-Regular", "JetBrains Mono", Consolas, monospace;
}

pre {
  background: var(--nd-bg-soft) !important;
  border: 1px solid var(--nd-border) !important;
  border-radius: 10px !important;
}

/* 帖子正文可读性 */
.Post-body,
.Post-body p {
  line-height: 1.85;
}

.PostStream-item {
  border-color: var(--nd-border) !important;
}

/* ---------- 7. 底部备案条（主站同款） ---------- */
.nd-footer-strip {
  border-top: 1px solid var(--nd-border);
  background: rgba(5, 8, 15, 0.6);
  padding: 18px 0 22px;
  font-size: 12.5px;
  color: var(--nd-muted);
  font-family: system-ui, -apple-system, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}

.nd-fi {
  max-width: var(--nd-maxw);
  margin: 0 auto;
  padding: 0 22px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  box-sizing: border-box;
}

.nd-fi-links {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  align-items: center;
}

.nd-footer-strip a {
  color: var(--nd-muted) !important;
  text-decoration: none !important;
}

.nd-footer-strip a:hover {
  color: var(--nd-accent) !important;
}

.nd-badge-ai {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 4px 11px;
  border-radius: 999px;
  border: 1px solid rgba(53, 230, 196, 0.32);
  background: rgba(53, 230, 196, 0.08);
  color: var(--nd-accent);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.4px;
  white-space: nowrap;
}

.nd-badge-ai i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--nd-accent);
  box-shadow: 0 0 8px var(--nd-accent);
  display: inline-block;
  animation: nd-pulse 2s infinite;
}

@keyframes nd-pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.85); }
}

/* ---------- 8. 响应式 ---------- */
@media (max-width: 1080px) {
  .nd-nav {
    gap: 18px;
  }
}

@media (max-width: 900px) {
  .nd-nav {
    display: none;
  }

  .nd-burger {
    display: inline-flex;
  }

  .nd-actions {
    margin-left: auto;
  }

  .nd-btn-ghost {
    display: none;
  }
}

/* 移动端：隐藏 Flarum 为原生页眉准备的三个浮动控件（汉堡 / 排序 / 发起讨论），
   统一收进主站同款汉堡菜单，避免出现第二条栏 */
@media (max-width: 767px) {
  .App-navigation,
  .App-titleControl,
  .App-primaryControl {
    display: none !important;
  }
}

@media (max-width: 560px) {
  .nd-inner {
    height: 58px;
    padding: 0 14px;
    gap: 10px;
  }

  .nd-logo {
    font-size: 16px;
  }

  .nd-logo small {
    font-size: 10px;
    letter-spacing: 1px;
  }

  .nd-mark {
    width: 27px;
    height: 27px;
    font-size: 13px;
  }

  .nd-btn-primary {
    padding: 7px 12px;
    font-size: 13px;
  }

  .nd-uname {
    display: none;
  }

  .nd-caret {
    display: none;
  }

  .container {
    padding-left: 14px !important;
    padding-right: 14px !important;
  }

  .Hero {
    padding: 20px 18px !important;
    margin: 0 14px 18px !important;
  }

  .nd-fi {
    padding: 0 14px;
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }
}