/* ============================================================
   NOVA 主题 — 独立全新设计（Noir Premium 极简黑白 + 蓝色点缀）
   ============================================================
   设计系统：
   - 中性：暖白底 + 纯白卡 + 石墨文字 + 浅灰细边框
   - 主操作：近黑按钮（奢侈品般的克制）
   - 点缀色：蓝 #2563eb 仅用于链接/激活态/焦点环/进度/徽章
   - 圆角：16–20px；阴影：多层柔和阴影；留白充足
   ============================================================ */

:root {
  --p-bg: #f6f7f9;
  --p-card: #ffffff;
  --p-border: #e8eaef;
  --p-border-strong: #d6dae3;
  --p-ink: #111827;
  --p-body: #4b5563;
  --p-muted: #9aa3b2;
  --p-accent: #2563eb;
  --p-accent-hover: #1d4ed8;
  --p-accent-soft: #eff6ff;
  --p-dark: #18181b;
  --p-dark-hover: #33333a;
  --p-ring: rgba(37, 99, 235, 0.15);
  --p-shadow-sm: 0 1px 2px rgba(16, 24, 40, 0.05);
  --p-shadow: 0 1px 3px rgba(16, 24, 40, 0.06), 0 12px 32px -12px rgba(16, 24, 40, 0.12);
  --p-shadow-lg: 0 24px 60px -20px rgba(16, 24, 40, 0.22);
  --p-radius: 16px;
}

/* ============ 基础 ============ */
html { -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }

body {
  background-color: var(--p-bg) !important;
  background-image:
    radial-gradient(1100px 460px at 100% -8%, rgba(37, 99, 235, 0.055), transparent 62%),
    radial-gradient(900px 420px at -8% 0%, rgba(37, 99, 235, 0.04), transparent 55%) !important;
  background-attachment: fixed;
  color: var(--p-ink);
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto,
               "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  font-size: 14px;
  line-height: 1.65;
}

#main-container { padding-bottom: 3rem; }

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #cdd3de; border-radius: 8px; border: 2px solid transparent; background-clip: content-box; }
::-webkit-scrollbar-thumb:hover { background: #aab2c0; border: 2px solid transparent; background-clip: content-box; }

/* ============ 顶部栏 ============ */
#page-header {
  background: rgba(255, 255, 255, 0.85) !important;
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--p-border) !important;
  box-shadow: none !important;
}
#page-header .content-header { background: transparent !important; }
.v2board-container-title { font-weight: 800 !important; letter-spacing: -0.03em; color: var(--p-ink) !important; }

/* ============ 侧边栏 ============ */
#sidebar,
.content-side,
.content-side-full {
  background: var(--p-card) !important;
  border-right: 1px solid var(--p-border) !important;
}

/* 品牌区：近黑 + 白字站名 */
.smini-hidden.bg-header-dark {
  background: linear-gradient(150deg, #0c0c0e, #232329) !important;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.smini-hidden .content-header.bg-white-10 { background: transparent !important; }
.smini-hidden a.font-size-lg,
.smini-hidden a.font-size-lg .text-white-75,
.smini-hidden .text-white,
.smini-hidden .text-white-75 {
  color: #ffffff !important;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.nav-main { padding: 0.875rem 0.75rem; }
.nav-main-heading {
  text-transform: uppercase;
  font-size: 0.66rem !important;
  letter-spacing: 0.12em;
  color: var(--p-muted) !important;
  font-weight: 700;
  padding-left: 0.6rem;
  margin-top: 1rem;
}
.nav-main-item { margin: 1px 0; }
.nav-main-link {
  border-radius: 10px !important;
  color: var(--p-body) !important;
  padding: 0.55rem 0.8rem !important;
  font-weight: 500;
  transition: background-color 0.15s ease, color 0.15s ease;
}
.nav-main-link:hover { background-color: #f1f3f7 !important; color: var(--p-ink) !important; }
.nav-main-link.active {
  background-color: var(--p-accent-soft) !important;
  color: var(--p-accent) !important;
  font-weight: 600;
}
.nav-main-link.active .nav-main-link-icon { color: var(--p-accent) !important; }
.v2board-copyright { color: var(--p-muted) !important; opacity: 1 !important; }

/* ============ 卡片 ============ */
.block {
  border-radius: var(--p-radius) !important;
  background-color: var(--p-card);
  border: 1px solid var(--p-border) !important;
  box-shadow: var(--p-shadow-sm);
  transition: box-shadow 0.2s ease, border-color 0.2s ease;
}
.block:hover { border-color: var(--p-border-strong) !important; box-shadow: var(--p-shadow); }
.block.block-transparent { background-color: transparent; border-color: transparent !important; box-shadow: none !important; }
.block.block-transparent:hover { border-color: transparent !important; box-shadow: none !important; }

.block-header {
  border-bottom: 1px solid var(--p-border) !important;
  background-color: transparent !important;
  padding: 1.1rem 1.4rem !important;
}
.block-header-default { background-color: #fbfcfd !important; }
.block-content { padding: 1.4rem !important; }
.block-content-full { padding: 0 !important; }

.block.bg-image { overflow: hidden; }
.v2board-bg-pixels { /* 沿用原始 SVG 点阵 */ }

/* ============ 按钮：主操作近黑 ============ */
.btn {
  border-radius: 10px !important;
  font-weight: 600 !important;
  transition: background-color 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease, color 0.15s ease, transform 0.1s ease;
}
.btn:active { transform: scale(0.985); }

.btn-primary {
  background-color: var(--p-dark) !important;
  background-image: none !important;
  border: 1px solid var(--p-dark) !important;
  color: #fff !important;
  box-shadow: var(--p-shadow-sm);
}
.btn-primary:hover, .btn-primary:focus {
  background-color: var(--p-dark-hover) !important;
  border-color: var(--p-dark-hover) !important;
  box-shadow: 0 0 0 4px rgba(24, 24, 27, 0.12), var(--p-shadow-sm);
}
.btn-outline-light {
  border: 1px solid var(--p-border-strong) !important;
  color: var(--p-ink) !important;
  background-color: #fff !important;
}
.rounded-pill { border-radius: 999px !important; }

/* ============ 链接 / 文本 ============ */
a { color: var(--p-accent); transition: color 0.15s ease; }
a:hover { color: var(--p-accent-hover); }
.text-primary { color: var(--p-accent) !important; }
.text-black { color: var(--p-ink) !important; }
.text-black-75 { color: var(--p-body) !important; }
.text-muted { color: var(--p-muted) !important; }
.font-size-h1, .font-size-h2, .font-size-h3 { font-weight: 800 !important; letter-spacing: -0.03em; color: var(--p-ink) !important; }

/* ============ Bootstrap 表单（登录/注册/忘记密码）============ */
.form-control,
.form-control-alt {
  border-radius: 10px !important;
  border: 1px solid var(--p-border-strong) !important;
  background-color: #fff !important;
  color: var(--p-ink) !important;
  padding: 0.7rem 0.9rem !important;
  font-size: 14px;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.form-control:focus,
.form-control-alt:focus {
  border-color: var(--p-accent) !important;
  box-shadow: 0 0 0 4px var(--p-ring) !important;
  outline: none;
}
.form-group { margin-bottom: 1rem !important; }

/* ============ Ant Design 组件 ============ */
.ant-btn { border-radius: 10px; font-weight: 500; transition: all 0.15s ease; }
.ant-btn-primary {
  background-color: var(--p-dark);
  border: 1px solid var(--p-dark);
  box-shadow: var(--p-shadow-sm);
}
.ant-btn-primary:hover, .ant-btn-primary:focus {
  background-color: var(--p-dark-hover);
  border-color: var(--p-dark-hover);
  box-shadow: 0 0 0 4px rgba(24, 24, 27, 0.12);
}

.ant-input,
.ant-input-affix-wrapper,
.ant-select-selector,
.ant-picker {
  border-radius: 10px !important;
  border-color: var(--p-border-strong) !important;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.ant-input:focus,
.ant-input-affix-wrapper-focused,
.ant-select-focused .ant-select-selector,
.ant-picker-focused {
  border-color: var(--p-accent) !important;
  box-shadow: 0 0 0 3px var(--p-ring) !important;
}

.ant-radio-checked .ant-radio-inner,
.ant-checkbox-checked .ant-checkbox-inner,
.ant-switch-checked { border-color: var(--p-accent) !important; background-color: var(--p-accent) !important; }
.ant-tabs-tab.ant-tabs-tab-active .ant-tabs-tab-btn { color: var(--p-accent) !important; font-weight: 600; }
.ant-tabs-ink-bar { background: var(--p-accent) !important; }

.ant-modal-content { border-radius: 18px !important; overflow: hidden; box-shadow: var(--p-shadow-lg) !important; }
.ant-modal-header { border-bottom: 1px solid var(--p-border) !important; }
.ant-alert { border-radius: 12px !important; }

.ant-table { border-radius: 12px; }
.ant-table-thead > tr > th { background: #f8fafc !important; font-weight: 600; color: var(--p-body); border-bottom: 1px solid var(--p-border) !important; }
.ant-table-tbody > tr > td { border-bottom: 1px solid var(--p-border) !important; }
.ant-table-tbody > tr:hover > td { background: #fafbfd !important; }
.ant-message-notice-content { border-radius: 12px !important; box-shadow: var(--p-shadow) !important; }
.ant-pagination-item-active { border-color: var(--p-accent) !important; }
.ant-pagination-item-active a { color: var(--p-accent) !important; }
.ant-progress-bg { background-color: var(--p-accent) !important; }

.badge-primary { background-color: var(--p-accent) !important; }

/* ============ 表格 ============ */
.table thead th {
  background: #f8fafc !important;
  border-bottom: 1px solid var(--p-border) !important;
  color: var(--p-muted);
  font-weight: 600;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.table td { border-top: 1px solid var(--p-border) !important; color: var(--p-body); }

/* ============ 套餐卡（白色头，避免黑底白字冲突）============ */
.block-header.plan {
  background: #ffffff !important;
  color: var(--p-ink) !important;
  border-bottom: 1px solid var(--p-border) !important;
}
.block-header.plan .block-title { color: var(--p-ink) !important; font-weight: 700; }
.v2board-sold-out-tag { color: #dc2626 !important; font-weight: 600; font-size: 0.8rem; }
.btn-alt-primary {
  border: 1px solid var(--p-dark) !important;
  color: var(--p-dark) !important;
  background: transparent !important;
}
.btn-alt-primary:hover { background: var(--p-dark) !important; color: #fff !important; }

/* ============ 使用文档页搜索框留白 ============ */
.v2board-knowledge-search-bar { margin: 1.5rem 0 1.5rem !important; }

/* ============ 工单聊天 ============ */
.js-chat-messages { background: #f8fafc !important; border-radius: 12px; }
.js-chat-messages .block-content-full { padding: 1rem !important; }

/* ============ 登录 / 注册 / 忘记密码 ============ */
.v2board-background {
  position: fixed;
  inset: 0;
  z-index: -1;
  background-size: cover !important;
  background-position: center !important;
  background-color: var(--p-bg);
}
/* 有背景图时盖一层柔光，保证白卡可读 */
.v2board-background::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(255,255,255,0.88), rgba(246,247,249,0.94));
}
.v2board-background[style*="url("]::after {
  background: rgba(255, 255, 255, 0.72);
  -webkit-backdrop-filter: blur(2px);
  backdrop-filter: blur(2px);
}

.v2board-auth-box {
  min-height: 100vh !important;
  display: flex !important;
  align-items: center;
  justify-content: center;
  margin: 0 !important;
  padding: 1.5rem 0.75rem;
}

/* 认证卡片 */
.block.block-fx-pop {
  border-radius: 20px !important;
  border: 1px solid rgba(255, 255, 255, 0.7) !important;
  box-shadow: var(--p-shadow-lg) !important;
  background-color: rgba(255, 255, 255, 0.96) !important;
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
}
.block.block-fx-pop .block-content-full { padding: 2.2rem 2rem !important; }
.block.block-fx-pop .font-size-h1 { font-size: 1.6rem; }
.v2board-logo { max-height: 56px; }
.block.block-fx-pop .btn-block { padding: 0.8rem !important; font-size: 15px; }

/* 认证卡底部（注册/忘记密码/语言） */
.block.block-fx-pop .bg-gray-lighter {
  background-color: #f7f8fa !important;
  border-top: 1px solid var(--p-border);
}
.block.block-fx-pop .bg-gray-lighter a { font-weight: 500; }
.v2board-login-i18n-btn { display: inline-flex; align-items: center; gap: 4px; }

/* ============ 动效 ============ */
#main-container { animation: nvFadeUp 0.4s ease both; }
@keyframes nvFadeUp { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }

/* 主按钮轻微流光 */
.btn-primary, .ant-btn-primary { position: relative; overflow: hidden; }
.btn-primary::after, .ant-btn-primary::after {
  content: "";
  position: absolute;
  top: 0; left: -60%;
  width: 40%; height: 100%;
  background: linear-gradient(120deg, transparent, rgba(255,255,255,0.22), transparent);
  transform: skewX(-20deg);
  animation: nvShine 4.5s ease-in-out infinite;
}
@keyframes nvShine { 0% { left: -60%; } 55% { left: 130%; } 100% { left: 130%; } }

/* ============ 移动端 ============ */
@media (max-width: 991.98px) {
  #main-container { padding: 1rem 1rem 2rem 1rem; }
  .block-header { padding: 0.95rem 1rem !important; }
  .block-content { padding: 1rem !important; }
  .nav-main { padding: 0.5rem; }
}

@media (max-width: 767.98px) {
  body { font-size: 14px; }
  #main-container { padding: 0.75rem 0.75rem 1.5rem 0.75rem; }
  .font-size-h1 { font-size: 1.45rem !important; }
  .font-size-h2 { font-size: 1.25rem !important; }
  .font-size-h3 { font-size: 1.1rem !important; }
  .block { border-radius: 12px !important; }
  .block.block-fx-pop .block-content-full { padding: 1.6rem 1.25rem !important; }
  .ant-table-wrapper { -webkit-overflow-scrolling: touch; }
  #page-header .content-header { flex-wrap: wrap; gap: 0.5rem; }
}

@media (max-width: 575.98px) {
  .block-header { padding: 0.85rem 0.9rem !important; }
  .block-content { padding: 0.9rem !important; }
  .btn { padding: 0.6rem 0.9rem !important; }
  .ant-btn { font-size: 13px; }
  .ant-modal { max-width: 96vw; margin: 4vh auto; }
  .ant-modal-body { padding: 1rem; }
  .ant-table { font-size: 12.5px; }
  .v2board-auth-box { padding: 1rem 0.5rem; }
}

/* ============ 减少动效 ============ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.001s !important; animation-iteration-count: 1 !important; transition-duration: 0.001s !important; }
}