/* ============================================================
   Quant-X 自定义样式
   说明：仅承载 Tailwind（CDN）不便表达的细节，
        例如毛玻璃质感、表单统一外观、滚动条、动画等。
        所有配色严格对齐 readme.md 的「暗黑科技风」体系。
   ============================================================ */

:root {
  --darkBase: #0b0c10;
  --darkCard: #1f2833;
  --neonCyan: #66fcf1;
  --neonMuted: #45a29e;
  --textMuted: #c5c6c7;
}

/* 全局平滑滚动与字体渲染优化 */
html {
  scroll-behavior: smooth;
}

body {
  /* 背景叠加一层极淡的科技光晕，增强高级质感与空间纵深 */
  background-image:
    radial-gradient(900px circle at 12% -10%, rgba(102, 252, 241, 0.06), transparent 45%),
    radial-gradient(900px circle at 100% 0%, rgba(69, 162, 158, 0.05), transparent 40%);
  background-attachment: fixed;
  /* 移动端防横向溢出：任何意外宽元素都不会撑出横向滚动条 */
  overflow-x: hidden;
  /* 移动端优化：触摸滑动更顺，减少 300ms 点击延迟 */
  -webkit-tap-highlight-color: transparent;
  -webkit-touch-callout: none;
}

/* ---------- 卡片：毛玻璃效果 ---------- */
.glass-card {
  background-color: rgba(31, 40, 51, 0.55);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 1rem;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.25);
  transition: border-color 0.25s ease, transform 0.25s ease;
}

/* ---------- 自定义下拉框（统一外观，去除原生箭头） ---------- */
.select-wrap {
  position: relative;
}

.form-select {
  width: 100%;
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  background-color: rgba(11, 12, 16, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 0.75rem;
  color: #ffffff;
  font-size: 0.875rem;
  padding: 0.625rem 2.25rem 0.625rem 0.875rem;
  outline: none;
  cursor: pointer;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-select:focus {
  border-color: rgba(102, 252, 241, 0.6);
  box-shadow: 0 0 0 1px rgba(102, 252, 241, 0.4);
}

/* 下拉选项在深色面板中的可读性（部分浏览器支持） */
.form-select option {
  background-color: #1f2833;
  color: #ffffff;
}

.select-caret {
  position: absolute;
  right: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--textMuted);
  pointer-events: none;
  font-size: 0.85rem;
}

/* ---------- 自定义下拉框（毛玻璃科技风） ---------- */
/* 被增强后隐藏的原生 select（仍保留在 DOM 中负责保存 value） */
.cs-native-hidden {
  display: none !important;
}

/* 触发按钮：外观与原生输入框一致 */
.cs-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  background-color: rgba(11, 12, 16, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 0.75rem;
  color: #ffffff;
  font-size: 0.875rem;
  padding: 0.625rem 0.875rem;
  cursor: pointer;
  text-align: left;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.cs-trigger:hover {
  border-color: rgba(102, 252, 241, 0.35);
}

.cs-trigger-label {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.cs-trigger-caret {
  color: var(--textMuted);
  font-size: 0.85rem;
  transition: transform 0.25s ease, color 0.2s ease;
  flex-shrink: 0;
}

/* 展开时：高亮边框 + 箭头翻转 */
.cs-open .cs-trigger {
  border-color: rgba(102, 252, 241, 0.6);
  box-shadow: 0 0 0 1px rgba(102, 252, 241, 0.35);
}

.cs-open .cs-trigger-caret {
  transform: rotate(180deg);
  color: var(--neonCyan);
}

/* 下拉面板：毛玻璃 + 悬浮卡片 */
.cs-panel {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  right: 0;
  z-index: 50;
  max-height: 280px;
  overflow-y: auto;
  padding: 0.35rem;
  background-color: rgba(20, 27, 36, 0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid rgba(102, 252, 241, 0.18);
  border-radius: 0.85rem;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.45);
  /* 默认隐藏，配合动画淡入 */
  opacity: 0;
  transform: translateY(-6px);
  pointer-events: none;
  transition: opacity 0.18s ease, transform 0.18s ease;
}

.cs-open .cs-panel {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

/* 分组标题 */
.cs-group {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--neonMuted);
  padding: 0.5rem 0.6rem 0.3rem;
  letter-spacing: 0.02em;
}

/* ---------- 最近选择历史区 ---------- */
.cs-history-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 0.35rem;
  margin-bottom: 0.15rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.cs-history-head span {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  color: var(--neonCyan);
}
.cs-history-clear {
  font-size: 0.65rem;
  color: var(--textMuted);
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0.15rem 0.4rem;
  border-radius: 0.4rem;
  transition: color 0.15s ease, background-color 0.15s ease;
}
.cs-history-clear:hover {
  color: #fb7185;
  background-color: rgba(251, 113, 133, 0.1);
}
/* 历史项：左侧加一条青色短竖线，与普通选项区分 */
.cs-history-option {
  position: relative;
  padding-left: 0.95rem;
}
.cs-history-option::before {
  content: '';
  position: absolute;
  left: 0.45rem;
  top: 50%;
  transform: translateY(-50%);
  width: 2px;
  height: 0.9rem;
  border-radius: 2px;
  background: rgba(102, 252, 241, 0.5);
}

/* 选项 */
.cs-option {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--textMuted);
  padding: 0.5rem 0.6rem;
  border-radius: 0.55rem;
  cursor: pointer;
  transition: background-color 0.15s ease, color 0.15s ease;
}

.cs-option:hover {
  background-color: rgba(102, 252, 241, 0.1);
  color: #ffffff;
}

.cs-option.selected {
  color: var(--neonCyan);
  background-color: rgba(102, 252, 241, 0.08);
}

.cs-option-check {
  opacity: 0;
  font-size: 0.85rem;
}

.cs-option.selected .cs-option-check {
  opacity: 1;
}

/* ---------- 下拉框搜索框 ---------- */
.cs-search-wrap {
  position: sticky;
  top: 0;
  z-index: 5;
  padding: 0.4rem 0.35rem;
  background-color: rgba(20, 27, 36, 0.95);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  margin: -0.35rem -0.35rem 0.2rem;
}

.cs-search {
  width: 100%;
  font-size: 0.8rem;
  color: #ffffff;
  background-color: rgba(11, 12, 16, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 0.5rem;
  padding: 0.4rem 0.6rem;
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.cs-search:focus {
  border-color: rgba(102, 252, 241, 0.6);
  box-shadow: 0 0 0 1px rgba(102, 252, 241, 0.35);
}

.cs-search::placeholder {
  color: rgba(197, 198, 199, 0.4);
}

/* 「搜索更多」按钮 */
.cs-more {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  font-size: 0.78rem;
  color: var(--neonCyan);
  padding: 0.5rem 0.6rem;
  margin: 0.2rem 0.1rem;
  border-radius: 0.55rem;
  border: 1px dashed rgba(102, 252, 241, 0.3);
  background-color: rgba(102, 252, 241, 0.04);
  cursor: pointer;
  transition: background-color 0.15s ease, border-color 0.15s ease;
}

.cs-more:hover {
  background-color: rgba(102, 252, 241, 0.12);
  border-color: rgba(102, 252, 241, 0.5);
}

/* ---------- 操作按钮（复制 / 下载） ---------- */
.action-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.78rem;
  padding: 0.4rem 0.75rem;
  border-radius: 0.6rem;
  color: var(--textMuted);
  border: 1px solid rgba(255, 255, 255, 0.1);
  background-color: rgba(11, 12, 16, 0.4);
  cursor: pointer;
  transition: all 0.2s ease;
}

.action-btn:hover {
  color: #ffffff;
  border-color: rgba(102, 252, 241, 0.4);
}

.action-btn-primary {
  color: var(--neonCyan);
  border-color: rgba(102, 252, 241, 0.35);
  background-color: rgba(102, 252, 241, 0.06);
}

.action-btn-primary:hover {
  background-color: rgba(102, 252, 241, 0.14);
}

/* ---------- 代码区域 ---------- */
/* highlight.js 主题自带背景，这里统一为更深的代码底色 */
.code-scroll {
  background-color: #0a0d12;
}

.code-scroll code.hljs,
.code-scroll code {
  background: transparent !important;
  padding: 1.1rem 1.25rem;
  display: block;
  font-family: var(--font-mono, 'SF Mono', Consolas, 'Fira Code', Menlo, monospace);
}

/* ---------- 终端风格部署指南 ---------- */
.terminal-body {
  background-color: #05070a;
  font-family: 'SF Mono', Consolas, 'Fira Code', Menlo, monospace;
  white-space: pre-wrap;
  word-break: break-word;
}

/* ---------- 加载动画（科技感旋转环） ---------- */
.quant-spinner {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  border: 3px solid rgba(102, 252, 241, 0.15);
  border-top-color: var(--neonCyan);
  animation: quant-spin 0.9s linear infinite;
}

@keyframes quant-spin {
  to { transform: rotate(360deg); }
}

/* ---------- 结果出现时的淡入上移过渡 ---------- */
.fade-in-up {
  animation: fadeInUp 0.5s ease both;
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ---------- Toast 显示状态 ---------- */
#toast.toast-show {
  opacity: 1;
  transform: translate(-50%, 0);
  pointer-events: auto;
}

/* ---------- 自定义滚动条（深色科技风） ---------- */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: rgba(102, 252, 241, 0.2);
  border-radius: 8px;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(102, 252, 241, 0.4);
}

/* ---------- 文本输入框聚焦细节 ---------- */
.form-textarea {
  line-height: 1.6;
}

/* ============================================================
   币安注册推广组件（binance-referral.js 配套样式）
   设计：币安金(#F0B90B) 渐变 + 暗黑玻璃，沿用全站科技风
   ============================================================ */
.ref-cta {
  position: relative;
  overflow: hidden;
  border-radius: 1rem;
  background: linear-gradient(135deg, rgba(240, 185, 11, 0.10), rgba(240, 185, 11, 0.03));
  border: 1px solid rgba(240, 185, 11, 0.28);
}
.ref-cta-banner {
  padding: 1.25rem 1.5rem;
}
.ref-cta-compact {
  padding: 0.9rem 1rem;
}
/* 背景柔光 */
.ref-glow {
  position: absolute;
  top: -40%;
  right: -10%;
  width: 320px;
  height: 320px;
  background: radial-gradient(circle, rgba(240, 185, 11, 0.22), transparent 70%);
  pointer-events: none;
}
/* Logo 容器 */
.ref-logo {
  width: 2.25rem;
  height: 2.25rem;
}
.ref-logo-lg {
  width: 3rem;
  height: 3rem;
  display: grid;
  place-items: center;
  border-radius: 0.85rem;
  background: rgba(240, 185, 11, 0.12);
  border: 1px solid rgba(240, 185, 11, 0.25);
  padding: 0.55rem;
}
/* 注册按钮（币安金） */
.ref-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1.25rem;
  border-radius: 0.75rem;
  font-weight: 700;
  font-size: 0.9rem;
  color: #1a1a1a;
  white-space: nowrap;
  background: linear-gradient(135deg, #f0b90b, #f8d33a);
  box-shadow: 0 8px 22px -8px rgba(240, 185, 11, 0.6);
  transition: transform 0.18s ease, filter 0.18s ease;
}
.ref-btn:hover {
  filter: brightness(1.06);
  transform: translateY(-1px);
}
.ref-btn:active {
  transform: translateY(0);
}

/* ============================================================
   顶部导航：统一三按钮（策略生成器 / 传奇交易员 / 币安带单榜）
   用法：<a class="nav-link [is-active]">文本</a>
   ============================================================ */
.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.4rem 0.85rem;
  border-radius: 0.7rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: #c5c6c7;
  /* 移动端触摸目标：图标-only 时也要保证易点（≥40px） */
  min-height: 40px;
  -webkit-tap-highlight-color: transparent;
  transition: color 0.2s ease, background 0.2s ease;
  white-space: nowrap;
}
.nav-link:hover {
  color: #66fcf1;
  background: rgba(102, 252, 241, 0.08);
}
/* 当前页高亮：青色文字 + 青色下划线指示条 */
.nav-link.is-active {
  color: #66fcf1;
  font-weight: 600;
  background: rgba(102, 252, 241, 0.1);
}
.nav-link.is-active::after {
  content: '';
  display: inline-block;
  width: 4px;
  height: 4px;
  border-radius: 9999px;
  background: #66fcf1;
  margin-left: 0.15rem;
  box-shadow: 0 0 6px rgba(102, 252, 241, 0.8);
}