/* ===== 福彩快乐8智能选号器 · 统一主题与组件样式 =====
   设计语言与「体彩大乐透」预测器保持一致（布局 / 卡片 / 按钮 / 头部 / 双栏），
   仅品牌色替换为快乐8（紫 #a855f7 / 玫红 #f43f5e / 青 #22d3ee），便于两彩种视觉统一。 */

:root {
  /* 基础（暗色：近黑 navy + 紫 / 玫红 / 青） */
  --kl8-background: linear-gradient(180deg, #0b0f1a 0%, #070810 100%);
  --kl8-foreground: #f8fafc;
  --kl8-primary: #a855f7;          /* 快乐8 紫 */
  --kl8-primary-2: #f43f5e;        /* 玫红 */
  --kl8-accent: #22d3ee;           /* 青 */
  --kl8-border: rgba(255, 255, 255, 0.10);
  --kl8-border-strong: rgba(255, 255, 255, 0.18);
  --kl8-border-faint: rgba(255, 255, 255, 0.06);
  --kl8-muted: #94a3b8;
  --kl8-text-secondary: #cbd5e1;
  --kl8-text-tertiary: #64748b;
  --kl8-card: rgba(255, 255, 255, 0.05);
  --kl8-card-solid: #0b0f1a;
  --kl8-surface: rgba(255, 255, 255, 0.08);
  --kl8-overlay: rgba(0, 0, 0, 0.45);
  --kl8-overlay-strong: rgba(0, 0, 0, 0.30);
  --kl8-header-bg: rgba(7, 8, 16, 0.82);
  --kl8-shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
  --kl8-glow: 0 0 40px rgba(168, 85, 247, 0.25);
  --kl8-radius-sm: 8px;
  --kl8-radius-md: 16px;
  --kl8-radius-lg: 24px;
  /* 语义状态色（双主题分别优化可读性） */
  --kl8-success: #4ade80;
  --kl8-success-bg: rgba(34, 197, 94, 0.15);
  --kl8-danger: #f87171;
  --kl8-danger-bg: rgba(239, 68, 68, 0.15);
  --kl8-warning: #facc15;
  --kl8-warning-bg: rgba(250, 204, 21, 0.15);
  --kl8-info: #f9a8d4;
  --kl8-info-bg: rgba(244, 114, 182, 0.18);
  --kl8-cold: #3b82f6;
  --kl8-hot: #ef4444;
  --kl8-warm: #facc15;
  --kl8-green-bg: #22c55e;
  --kl8-muted-bg: rgba(148, 163, 184, 0.15);
  /* 记录徽章语义色（快乐8 生成记录页 / 复式 / 单式 / 浮动奖 / 花费） */
  --kl8-fu: #c084fc;
  --kl8-fu-bg: rgba(168, 85, 247, 0.20);
  --kl8-single: #7dd3fc;
  --kl8-single-bg: rgba(56, 189, 248, 0.18);
  --kl8-float: #fb923c;
  --kl8-float-bg: rgba(249, 115, 22, 0.20);
  --kl8-cost: #fbbf24;
  /* 号码球（快乐8 为单区 1-80，默认空球 + 冷热着色） */
  --kl8-ball-empty-bg: rgba(255, 255, 255, 0.06);
  --kl8-ball-empty-border: rgba(255, 255, 255, 0.14);
  --kl8-ball-front: linear-gradient(180deg, #a855f7 0%, #7c3aed 100%);   /* 同品牌紫，预留 */
  --kl8-ball-back: linear-gradient(180deg, #22d3ee 0%, #0891b2 100%);
  --kl8-ball-front-text: #ffffff;
  --kl8-ball-back-text: #0b0f1a;
  /* 功能按钮渐变（与大乐透 btn-* 一一对应） */
  --kl8-btn-primary: linear-gradient(180deg, #a855f7 0%, #7c3aed 100%);
  --kl8-btn-red: linear-gradient(180deg, #ef4444 0%, #f87171 100%);
  --kl8-btn-yellow: linear-gradient(180deg, #facc15 0%, #fde047 100%);
  --kl8-btn-blue: linear-gradient(180deg, #3b82f6 0%, #60a5fa 100%);
  --kl8-btn-green: linear-gradient(180deg, #22c55e 0%, #4ade80 100%);
  --kl8-btn-ghost: rgba(255, 255, 255, 0.06);
  /* 背景光晕 / 标签 / 卡片品牌光（暗色） */
  --kl8-aura-1: rgba(168, 85, 247, 0.22);
  --kl8-aura-2: rgba(34, 211, 238, 0.12);
  --kl8-tag-bg: rgba(168, 85, 247, 0.18);
  --kl8-tag-text: #d8b4fe;
  --kl8-card-glow: 0 0 0 1px rgba(168, 85, 247, 0.28), 0 10px 34px rgba(168, 85, 247, 0.12);
}

/* ===== 亮色主题（日间） ===== */
[data-theme="light"] {
  --kl8-background: linear-gradient(180deg, #ffffff 0%, #f4f6fb 100%);
  --kl8-foreground: #0f172a;
  --kl8-primary: #7c3aed;
  --kl8-primary-2: #e11d48;
  --kl8-accent: #0891b2;
  --kl8-border: rgba(15, 23, 42, 0.12);
  --kl8-border-strong: rgba(15, 23, 42, 0.20);
  --kl8-border-faint: rgba(15, 23, 42, 0.08);
  --kl8-muted: #475569;
  --kl8-text-secondary: #334155;
  --kl8-text-tertiary: #64748b;
  --kl8-card: rgba(15, 23, 42, 0.04);
  --kl8-card-solid: #ffffff;
  --kl8-surface: rgba(15, 23, 42, 0.05);
  --kl8-overlay: rgba(15, 23, 42, 0.06);
  --kl8-overlay-strong: rgba(15, 23, 42, 0.10);
  --kl8-header-bg: rgba(255, 255, 255, 0.88);
  --kl8-shadow: 0 24px 60px rgba(15, 23, 42, 0.12);
  --kl8-glow: 0 0 40px rgba(124, 58, 237, 0.18);
  --kl8-success: #16a34a;
  --kl8-success-bg: rgba(34, 197, 94, 0.12);
  --kl8-danger: #dc2626;
  --kl8-danger-bg: rgba(239, 68, 68, 0.12);
  --kl8-warning: #d97706;
  --kl8-warning-bg: rgba(250, 204, 21, 0.18);
  --kl8-info: #db2777;
  --kl8-info-bg: rgba(244, 114, 182, 0.18);
  --kl8-cold: #2563eb;
  --kl8-hot: #dc2626;
  --kl8-warm: #d97706;
  --kl8-green-bg: #16a34a;
  --kl8-muted-bg: rgba(15, 23, 42, 0.06);
  --kl8-fu: #9333ea;
  --kl8-fu-bg: rgba(168, 85, 247, 0.14);
  --kl8-single: #0284c7;
  --kl8-single-bg: rgba(56, 189, 248, 0.16);
  --kl8-float: #ea580c;
  --kl8-float-bg: rgba(249, 115, 22, 0.16);
  --kl8-cost: #b45309;
  --kl8-ball-empty-bg: rgba(15, 23, 42, 0.04);
  --kl8-ball-empty-border: rgba(15, 23, 42, 0.16);
  --kl8-ball-front: linear-gradient(180deg, #8b5cf6 0%, #7c3aed 100%);
  --kl8-ball-back: linear-gradient(180deg, #22d3ee 0%, #0891b2 100%);
  --kl8-ball-front-text: #ffffff;
  --kl8-ball-back-text: #0b0f1a;
  --kl8-btn-primary: linear-gradient(180deg, #8b5cf6 0%, #7c3aed 100%);
  --kl8-btn-red: linear-gradient(180deg, #ef4444 0%, #f87171 100%);
  --kl8-btn-yellow: linear-gradient(180deg, #facc15 0%, #fde047 100%);
  --kl8-btn-blue: linear-gradient(180deg, #3b82f6 0%, #60a5fa 100%);
  --kl8-btn-green: linear-gradient(180deg, #16a34a 0%, #4ade80 100%);
  --kl8-btn-ghost: rgba(15, 23, 42, 0.05);
  --kl8-aura-1: rgba(124, 58, 237, 0.10);
  --kl8-aura-2: rgba(8, 145, 178, 0.08);
  --kl8-tag-bg: rgba(124, 58, 237, 0.12);
  --kl8-tag-text: #6d28d9;
  --kl8-card-glow: 0 0 0 1px rgba(124, 58, 237, 0.22), 0 10px 34px rgba(124, 58, 237, 0.10);
}

* { box-sizing: border-box; }
* { -webkit-tap-highlight-color: transparent; }

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--kl8-foreground);
  background: var(--kl8-background);
  margin: 0;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  transition: background .3s ease, color .3s ease;
  overflow-x: clip;
}

:focus-visible { outline: 2px solid var(--kl8-primary); outline-offset: 2px; }

.btn, .chip, .seg button, .theme-toggle, a.link, select, input, label, .cta-button {
  touch-action: manipulation;
}

/* 背景光晕 */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background:
    radial-gradient(600px 400px at 80% -5%, var(--kl8-aura-1), transparent 60%),
    radial-gradient(500px 360px at 0% 10%, var(--kl8-aura-2), transparent 55%);
  pointer-events: none;
  z-index: 0;
}

.app-container {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 16px 56px;
  padding-left: max(16px, env(safe-area-inset-left));
  padding-right: max(16px, env(safe-area-inset-right));
  padding-bottom: calc(56px + env(safe-area-inset-bottom));
}
/* 兼容旧页面容器名 */
.page-container {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 16px 56px;
  padding-left: max(16px, env(safe-area-inset-left));
  padding-right: max(16px, env(safe-area-inset-right));
  padding-bottom: calc(56px + env(safe-area-inset-bottom));
}

@media (min-width: 1024px) {
  .app-container, .page-container {
    padding: 0 28px 72px;
    padding-left: max(28px, env(safe-area-inset-left));
    padding-right: max(28px, env(safe-area-inset-right));
    padding-bottom: calc(72px + env(safe-area-inset-bottom));
  }
}
@media (min-width: 1600px) {
  .app-container, .page-container { max-width: 1440px; }
}

/* ===== 头部（与大乐透一致：左品牌+标题+副标题，右用户+主题按钮） ===== */
.app-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 4px;
  padding-top: max(16px, env(safe-area-inset-top));
  margin-bottom: 8px;
  background: var(--kl8-header-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--kl8-border-faint);
}
.header-left { display: flex; align-items: center; gap: 12px; min-width: 0; flex: 1 1 auto; }
.header-left > div:last-child { min-width: 0; }
.header-right { display: flex; align-items: center; gap: 8px; flex: none; }

.brand-badge {
  width: 44px; height: 44px; border-radius: 12px; flex: none;
  display: grid; place-items: center;
  background: var(--kl8-btn-primary);
  color: #fff; font-weight: 800; font-size: 13px; line-height: 1.05; text-align: center;
  box-shadow: var(--kl8-glow);
}
.page-title {
  font-size: 20px; font-weight: 800; margin: 0; letter-spacing: .5px;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.page-title .title-accent { color: var(--kl8-primary); }
.page-title .title-ball {
  display: inline-grid; place-items: center;
  width: 1.5em; height: 1.5em; border-radius: 8px; margin: 0 .12em;
  background: var(--kl8-btn-primary); color: #fff; font-size: .82em; vertical-align: -0.12em;
  box-shadow: var(--kl8-glow);
}
.subtitle { font-size: 12px; color: var(--kl8-muted); margin-top: 2px; }

.theme-toggle {
  flex: none; width: 42px; height: 42px; border-radius: 12px; cursor: pointer;
  border: 1px solid var(--kl8-border); background: var(--kl8-surface); color: var(--kl8-foreground);
  display: grid; place-items: center; font-size: 18px; transition: .2s;
}
.theme-toggle:hover { border-color: var(--kl8-border-strong); transform: translateY(-1px); }

/* 头部右侧用户栏（与大乐透 header-right 一致） */
.user-bar { display: flex; align-items: center; gap: 8px; flex: none; font-size: 13px; }
.user-bar #user-info { color: var(--kl8-muted); }
.user-bar a.link { font-size: 13px; }

/* ===== 卡片 / 区块 ===== */
.section { margin-top: 20px; }
.card {
  background: var(--kl8-card);
  border: 1px solid var(--kl8-border);
  border-radius: var(--kl8-radius-md);
  padding: 18px;
  box-shadow: var(--kl8-shadow);
  backdrop-filter: blur(6px);
}
.card-title {
  font-size: 16px; font-weight: 700; margin: 0 0 12px;
  display: flex; align-items: center; gap: 8px;
}
.card-title::before {
  content: ""; width: 4px; height: 16px; border-radius: 4px;
  background: var(--kl8-btn-primary);
}
.card-body { font-size: 13px; color: var(--kl8-text-secondary); line-height: 1.7; }

/* 卡片标题行（带右侧操作按钮，如刷新 / 展开） */
.card-header { display: flex; align-items: center; justify-content: space-between; gap: 10px; flex-wrap: wrap; margin-bottom: 10px; }
.card-header .card-title { margin: 0; }
.card-accent { color: var(--kl8-primary); font-weight: 600; }
.refresh-button, .share-btn, .toggle-btn {
  flex: none; appearance: none; cursor: pointer;
  padding: 7px 12px; border-radius: 10px; font-size: 13px; font-weight: 700;
  border: 1px solid var(--kl8-border); background: var(--kl8-btn-ghost); color: var(--kl8-foreground);
  transition: .18s;
}
.refresh-button:hover, .share-btn:hover, .toggle-btn:hover { border-color: var(--kl8-border-strong); transform: translateY(-1px); }

/* 信息行（数据状态卡内的图标行） */
.info-row { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.info-icon { font-size: 16px; }

/* ===== 数据概览 stat ===== */
.stat-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(130px, 1fr)); gap: 12px;
}
.stat {
  background: var(--kl8-surface); border: 1px solid var(--kl8-border-faint);
  border-radius: var(--kl8-radius-sm); padding: 12px 14px;
}
.stat .stat-label { font-size: 12px; color: var(--kl8-muted); }
.stat .stat-value { font-size: 20px; font-weight: 800; margin-top: 4px; color: var(--kl8-foreground); }
.stat .stat-value.accent { color: var(--kl8-primary); }

.pill-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.pill {
  font-size: 12px; padding: 5px 10px; border-radius: 999px;
  background: var(--kl8-tag-bg); color: var(--kl8-tag-text); border: 1px solid var(--kl8-border-faint);
  display: inline-flex; align-items: center; flex-wrap: wrap; gap: 5px;
}
.pill .dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin-right: 5px; vertical-align: middle; }
.dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; vertical-align: middle; }
.dot.hot { background: var(--kl8-hot); }
.dot.warm { background: var(--kl8-warm); }
.dot.cold { background: var(--kl8-cold); }

/* ===== 号码球（快乐8 单区 1-80） ===== */
.balls { display: inline-flex; align-items: center; flex-wrap: wrap; gap: 6px; vertical-align: middle; }
.ball {
  width: 38px; height: 38px; border-radius: 50%; flex: none;
  display: inline-grid; place-items: center;
  font-size: 15px; font-weight: 700; user-select: none;
  background: var(--kl8-ball-empty-bg);
  border: 1.5px solid var(--kl8-ball-empty-border);
  color: var(--kl8-foreground);
  transition: transform .12s ease, box-shadow .15s ease;
}
.ball.lg { width: 46px; height: 46px; font-size: 17px; }
.ball.sm { width: 30px; height: 30px; font-size: 13px; }
.ball.hot  { background: linear-gradient(180deg, #ff6b6b 0%, var(--kl8-danger) 100%); color: #fff; }
.ball.warm { background: linear-gradient(180deg, #ffd54a 0%, var(--kl8-warning) 100%); color: #5b3b00; }
.ball.cold { background: linear-gradient(180deg, #60a5fa 0%, var(--kl8-cold) 100%); color: #fff; }
/* 生成记录按 1-20 / 21-40 / 41-60 / 61-80 四分区着色（与首页号码分区一致） */
.ball.z1 { background: var(--kl8-ball-empty-bg); border-color: var(--kl8-ball-empty-border); color: var(--kl8-foreground); }
.ball.z2 { background: linear-gradient(180deg, #a78bfa 0%, var(--kl8-primary) 100%); border-color: transparent; color: #fff; }
.ball.z3 { background: linear-gradient(180deg, #60a5fa 0%, var(--kl8-cold) 100%); border-color: transparent; color: #fff; }
.ball.z4 { background: linear-gradient(180deg, #fbbf24 0%, var(--kl8-warning) 100%); border-color: transparent; color: #5b3b00; }
/* 同组号码整体换行，避免号码球被拆散 */
.ball-run { display: inline-flex; align-items: center; gap: 6px; flex-wrap: nowrap; }

/* ===== 按钮 ===== */
.btn {
  appearance: none; border: 1px solid var(--kl8-border); cursor: pointer;
  padding: 10px 16px; border-radius: 12px; font-size: 14px; font-weight: 700;
  background: var(--kl8-btn-ghost); color: var(--kl8-foreground); transition: .18s;
}
.btn:hover { transform: translateY(-1px); border-color: var(--kl8-border-strong); }
.btn:disabled { opacity: .5; cursor: not-allowed; transform: none; }
.btn-primary { background: var(--kl8-btn-primary); border-color: transparent; color: #fff; }
.btn-red { background: var(--kl8-btn-red); border-color: transparent; color: #fff; }
.btn-yellow { background: var(--kl8-btn-yellow); border-color: transparent; color: #5b3b00; }
.btn-blue { background: var(--kl8-btn-blue); border-color: transparent; color: #fff; }
.btn-green { background: var(--kl8-btn-green); border-color: transparent; color: #fff; }
.btn-sm { padding: 7px 12px; font-size: 13px; border-radius: 10px; }
.btn-block { width: 100%; }

/* 生成按钮（快乐8 的 .cta-button 与 .btn 等价，复用配色） */
.cta-button {
  appearance: none; border: 1px solid var(--kl8-border); cursor: pointer;
  padding: 10px 16px; border-radius: 12px; font-size: 14px; font-weight: 700;
  background: var(--kl8-btn-ghost); color: var(--kl8-foreground); transition: .18s;
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
}
.cta-button:hover { transform: translateY(-1px); border-color: var(--kl8-border-strong); }
.cta-button:disabled { opacity: .5; cursor: not-allowed; transform: none; }
.cta-button.btn-red { background: var(--kl8-btn-red); border-color: transparent; color: #fff; }
.cta-button.btn-yellow { background: var(--kl8-btn-yellow); border-color: transparent; color: #5b3b00; }
.cta-button.btn-blue { background: var(--kl8-btn-blue); border-color: transparent; color: #fff; }
.cta-button.btn-green { background: var(--kl8-btn-green); border-color: transparent; color: #fff; }
.cta-button .icon { font-size: 16px; }

.toolbar, .button-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 14px; }

/* ===== 策略 chips（快乐8 的 strategy / period / segment 三种 chip 统一外观） ===== */
.group-block { margin-top: 14px; }
.group-title { font-size: 13px; font-weight: 700; color: var(--kl8-text-secondary); margin-bottom: 8px; }
.chip, .strategy-chip, .period-chip, .segment-chip {
  display: inline-flex; align-items: center; gap: 6px; cursor: pointer; user-select: none;
  padding: 8px 14px; border-radius: 999px; font-size: 13px; font-weight: 600;
  background: var(--kl8-surface); border: 1px solid var(--kl8-border-faint); color: var(--kl8-text-secondary);
  transition: .15s; margin: 0 8px 8px 0;
}
.chip:hover, .strategy-chip:hover, .period-chip:hover, .segment-chip:hover { border-color: var(--kl8-border-strong); }
.chip.active, .strategy-chip.active, .period-chip.active, .segment-chip.active {
  background: var(--kl8-tag-bg); color: var(--kl8-tag-text); border-color: var(--kl8-primary);
}
.chip .desc { font-size: 11px; color: var(--kl8-muted); font-weight: 500; }

.seg { display: inline-flex; border: 1px solid var(--kl8-border); border-radius: 10px; overflow: hidden; }
.seg button { border: 0; background: transparent; color: var(--kl8-text-secondary); padding: 8px 14px; cursor: pointer; font-size: 13px; font-weight: 600; }
.seg button.active { background: var(--kl8-btn-primary); color: #fff; }

/* 复选框行 / 分段 / 自定义范围 */
.checkbox-row { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 8px; }
.checkbox-item { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; color: var(--kl8-text-secondary); cursor: pointer; }
.checkbox-item input { width: 16px; height: 16px; accent-color: var(--kl8-primary); }
.segment-panel { margin-top: 10px; }
.segment-row { display: flex; flex-wrap: wrap; gap: 10px; }
.custom-range { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.custom-range input {
  width: 90px; padding: 10px 12px; font-size: 16px; font-weight: 800; text-align: center;
  color: var(--kl8-foreground); background: var(--kl8-surface);
  border: 1px solid var(--kl8-border-strong); border-radius: 10px; outline: none;
}
.custom-range input:focus { border-color: var(--kl8-primary); box-shadow: var(--kl8-card-glow); }

/* 玩法选择（选一~选十 + 单注/复式） */
.pick-count-row, .fu-panel, .button-row {
  background: var(--kl8-card);
  border: 1px solid var(--kl8-border);
  border-radius: var(--kl8-radius-md);
  box-shadow: var(--kl8-shadow);
  backdrop-filter: blur(6px);
  padding: 14px;
}
.pick-count-row { display: flex; align-items: center; flex-wrap: wrap; gap: 12px; margin-top: 4px; padding: 14px; }
.pick-count-row .card-body { margin: 0; }
.pick-count-select {
  padding: 10px 12px; border-radius: 10px; font-size: 14px; font-weight: 700;
  color: var(--kl8-foreground); background: var(--kl8-surface); border: 1px solid var(--kl8-border-strong);
  outline: none;
}
.pick-count-select:focus { border-color: var(--kl8-primary); }

/* 复式号码个数输入 */
.fu-panel { display: flex; align-items: center; flex-wrap: wrap; gap: 10px; padding: 12px 14px; margin-top: 12px; }
.fu-panel .card-body { margin: 0; }
.fu-input {
  width: 120px; padding: 10px 12px; font-size: 16px; font-weight: 800; text-align: center;
  color: var(--kl8-foreground); background: var(--kl8-surface);
  border: 1px solid var(--kl8-border-strong); border-radius: 10px; outline: none;
}
.fu-input:focus { border-color: var(--kl8-primary); box-shadow: var(--kl8-card-glow); }
.fu-info { font-size: 12px; color: var(--kl8-muted); }

/* ===== 生成结果 / 历史记录（与大乐透 result-card / record-card 一致） ===== */
.results-card { }
.results-header, .history-header { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 12px; }
.results-header .card-title, .history-header .card-title { margin: 0; }
.archive-btn { display: inline-block; margin-top: 12px; font-size: 12px; }

.history-body.collapsed { display: none; }

.result-card {
  background: var(--kl8-card-solid); border: 1px solid var(--kl8-border); border-radius: var(--kl8-radius-md);
  padding: 18px; box-shadow: var(--kl8-card-glow);
}
.result-balls { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin: 10px 0; }
.result-meta { font-size: 12px; color: var(--kl8-muted); margin-top: 8px; line-height: 1.7; }
.ticket { border: 1px dashed var(--kl8-border-strong); border-radius: 12px; padding: 12px; margin-top: 10px; background: var(--kl8-surface); }
.ticket .ticket-row { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin: 6px 0; }

.record-card {
  border: 1px solid var(--kl8-border); border-radius: 14px; padding: 14px;
  margin-top: 12px; background: var(--kl8-surface);
}
.record-card-win { border-color: rgba(74, 222, 128, 0.45); box-shadow: var(--kl8-card-glow); }
.record-head { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; }
.record-period { font-size: 15px; font-weight: 800; color: var(--kl8-foreground); }
.record-bets { font-size: 12.5px; color: var(--kl8-text-secondary); }
.record-time { margin-left: auto; font-size: 12px; color: var(--kl8-muted); }
.record-strategy { font-size: 12px; color: var(--kl8-text-secondary); margin-top: 6px; line-height: 1.5; }
.record-body { margin-top: 10px; }
.record-body .ticket-row { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin: 6px 0; }
.record-foot { margin-top: 10px; padding-top: 10px; border-top: 1px dashed var(--kl8-border); }
.record-draw {
  display: flex; align-items: center; gap: 6px; flex-wrap: wrap;
  margin-top: 10px; padding-top: 10px; border-top: 1px dashed var(--kl8-border);
}
.rec-tag {
  display: inline-block; padding: 2px 8px; border-radius: 6px; font-size: 12px; font-weight: 700;
  background: var(--kl8-tag-bg); color: var(--kl8-tag-text);
}
.rec-tag-fushi { background: rgba(255, 176, 32, 0.18); color: var(--kl8-warning); }
.rec-tag-drag { background: rgba(47, 155, 255, 0.18); color: var(--kl8-cold); }
.rec-badge {
  display: inline-block; padding: 3px 10px; border-radius: 999px; font-size: 12px; font-weight: 700;
}
.rec-badge-pending { background: var(--kl8-muted-bg); color: var(--kl8-text-secondary); }
.rec-badge-win { background: var(--kl8-success-bg); color: var(--kl8-success); }
.rec-badge-win.float { background: var(--kl8-float-bg); color: var(--kl8-float); }
.rec-badge-lose { background: var(--kl8-muted-bg); color: var(--kl8-muted); }
.rec-note { font-size: 12px; color: var(--kl8-muted); }
.rec-amount { color: var(--kl8-success); font-weight: 700; }
.rec-prize { display: flex; flex-direction: column; gap: 6px; }
.rec-prize-row { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; font-size: 13px; }
.rec-prize-row b { color: var(--kl8-success); }
.rec-prize-sum { font-size: 13px; margin-top: 4px; color: var(--kl8-text-secondary); }
.rec-pending-amount { color: var(--kl8-float); font-weight: 700; }
.rec-pool { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; margin: 5px 0; }
.rec-pool-label { font-size: 12px; color: var(--kl8-muted); font-weight: 600; }
.record-actions { margin-top: 10px; display: flex; justify-content: flex-end; }
.link { color: var(--kl8-primary); text-decoration: none; }
.link:hover { text-decoration: underline; }

/* ===== 记录号码折叠/展开 ===== */
.record-body.rec-collapsible:not(.rec-expanded) {
  max-height: 108px; overflow: hidden;
  -webkit-mask-image: linear-gradient(180deg, #000 62%, transparent 100%);
  mask-image: linear-gradient(180deg, #000 62%, transparent 100%);
}
.rec-toggle {
  display: flex; align-items: center; justify-content: center; gap: 6px;
  width: 100%; margin-top: 8px; padding: 7px 0; cursor: pointer;
  font-size: 12.5px; font-weight: 600; color: var(--kl8-primary);
  background: transparent; border: 1px dashed var(--kl8-border); border-radius: 9px;
  transition: background .18s ease, border-color .18s ease;
}
.rec-toggle:hover { background: var(--kl8-tag-bg); border-color: var(--kl8-primary); }
.rec-toggle .rec-caret { display: inline-block; transition: transform .2s ease; font-size: 11px; }
.rec-toggle.is-open .rec-caret { transform: rotate(180deg); }

/* ===== 表格 ===== */
.table-wrap { overflow-x: auto; margin-top: 8px; }
table.dlt-table { width: 100%; border-collapse: collapse; font-size: 13px; }
table.dlt-table th, table.dlt-table td { padding: 9px 10px; text-align: center; border-bottom: 1px solid var(--kl8-border-faint); white-space: nowrap; }
table.dlt-table th { color: var(--kl8-muted); font-weight: 600; position: sticky; top: 0; background: var(--kl8-card-solid); }
table.dlt-table td.num-cell { font-variant-numeric: tabular-nums; }
.hit { color: var(--kl8-success); font-weight: 700; }

/* ===== 提示 / 免责 ===== */
.disclaimer, .footer {
  margin-top: 18px; font-size: 12px; color: var(--kl8-muted); line-height: 1.8;
  border-top: 1px dashed var(--kl8-border); padding-top: 14px;
  display: flex; flex-direction: column; gap: 4px;
}
.footer-version { font-size: 11px; opacity: .8; }
.note-line { font-size: 12px; color: var(--kl8-muted); margin-top: 6px; }
.message { margin-top: 10px; font-size: 13px; padding: 8px 12px; border-radius: 10px; }
.message.error { background: var(--kl8-danger-bg); color: var(--kl8-danger); }
.message.success { background: var(--kl8-success-bg); color: var(--kl8-success); }
.message.info { background: var(--kl8-info-bg); color: var(--kl8-info); }

.flex-between { display: flex; align-items: center; justify-content: space-between; gap: 10px; flex-wrap: wrap; }
.muted { color: var(--kl8-muted); }
.accent-text { color: var(--kl8-primary); font-weight: 700; }
.divider { height: 1px; background: var(--kl8-border-faint); margin: 14px 0; }

a.link { color: var(--kl8-primary); text-decoration: none; font-weight: 600; }
a.link:hover { text-decoration: underline; }

/* ===== 弹层（年龄确认 / 复式警告 / 截图分享，统一外观） ===== */
.age-modal, .fu-warn-modal, .share-modal {
  position: fixed; inset: 0; z-index: 9999;
  display: grid; place-items: center;
  background: var(--kl8-overlay); backdrop-filter: blur(4px); -webkit-backdrop-filter: blur(4px);
  padding: 16px;
}
.age-modal.hidden, .fu-warn-modal.hidden, .share-modal.hidden { display: none; }
.age-modal-content, .fu-warn-content, .share-modal-content {
  width: min(420px, 100%); background: var(--kl8-card-solid);
  border: 1px solid var(--kl8-border-strong); border-radius: var(--kl8-radius-md);
  padding: 22px; box-shadow: var(--kl8-shadow);
}
.age-modal-title, .fu-warn-title { font-size: 18px; font-weight: 800; margin: 0 0 10px; }
.age-modal-text, .fu-warn-text { font-size: 14px; color: var(--kl8-text-secondary); margin: 0 0 16px; }
.age-modal-buttons, .fu-warn-buttons { display: flex; gap: 10px; justify-content: flex-end; }
.age-btn, .fu-btn {
  appearance: none; cursor: pointer; padding: 9px 16px; border-radius: 10px; font-size: 14px; font-weight: 700;
  border: 1px solid var(--kl8-border); background: var(--kl8-btn-ghost); color: var(--kl8-foreground); transition: .18s;
}
.age-btn-yes, .fu-btn-ok { background: var(--kl8-btn-primary); border-color: transparent; color: #fff; }
.age-btn:hover, .fu-btn:hover { transform: translateY(-1px); border-color: var(--kl8-border-strong); }

.share-modal-header { display: flex; align-items: center; justify-content: space-between; font-size: 16px; font-weight: 700; margin-bottom: 12px; }
.share-modal-header button { background: none; border: 0; color: var(--kl8-foreground); font-size: 18px; cursor: pointer; }
.share-modal-content img { width: 100%; border-radius: 12px; border: 1px solid var(--kl8-border); }
.share-modal-tip { font-size: 12px; color: var(--kl8-muted); margin: 10px 0; line-height: 1.6; }
.share-modal-back { width: 100%; margin-top: 6px; }

/* ============================================================
   双端适配（PC / 平板 / 手机）
   ============================================================ */
@media (hover: hover) and (pointer: fine) {
  .btn:hover { transform: translateY(-1px); border-color: var(--kl8-border-strong); }
  .chip:hover, .strategy-chip:hover, .period-chip:hover, .segment-chip:hover { border-color: var(--kl8-border-strong); }
  .theme-toggle:hover { border-color: var(--kl8-border-strong); transform: translateY(-1px); }
}
@media (hover: none) {
  .btn:hover, .chip:hover, .strategy-chip:hover, .period-chip:hover, .segment-chip:hover, .theme-toggle:hover { transform: none; }
}
.btn:active, .chip:active, .strategy-chip:active, .period-chip:active, .segment-chip:active, .seg button:active { transform: scale(.97); }

/* PC（≥1024px）：主区双栏，左「选号 + 范围设置」、右「生成结果 + 当日记录」 */
@media (min-width: 1024px) {
  .main-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
    gap: 20px;
    align-items: start;
    margin-top: 20px;
  }
  .col-main, .col-side { display: flex; flex-direction: column; gap: 20px; min-width: 0; }
  .main-grid .section { margin-top: 0; }
  .ball { width: 40px; height: 40px; font-size: 15px; }
}

@media (min-width: 1600px) {
  .app-container { max-width: 1440px; }
}

/* 平板 / 手机（≤1023px）：单栏堆叠 */
@media (max-width: 1023px) {
  .stat-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

/* 手机（≤720px） */
@media (max-width: 720px) {
  .app-header { padding-top: max(12px, env(safe-area-inset-top)); padding-bottom: 12px; }
  .brand-badge { width: 38px; height: 38px; font-size: 11px; border-radius: 10px; }
  .page-title { font-size: 17px; }
  .subtitle { font-size: 11px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
  .theme-toggle { width: 38px; height: 38px; font-size: 16px; border-radius: 10px; }
  .header-right { gap: 6px; }
  .header-right .btn-sm { padding: 6px 10px; }

  .card { padding: 14px; border-radius: 14px; }
  .card-title { font-size: 15px; }
  .section { margin-top: 14px; }

  .seg { display: flex; flex-wrap: wrap; width: 100%; }
  .seg button { flex: 1 1 auto; min-width: 0; padding: 9px 10px; white-space: nowrap; }

  .stat-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
  .stat { padding: 10px 12px; }
  .stat .stat-label { font-size: 11px; }
  .stat .stat-value { font-size: 16px; margin-top: 2px; }

  .pill { font-size: 11.5px; padding: 5px 9px; }
  .ball.sm { width: 28px; height: 28px; font-size: 12px; }

  .ball { width: 36px; height: 36px; font-size: 14px; }
  .ball.lg { width: 40px; height: 40px; font-size: 15px; }
  .balls { gap: 5px; }

  .toolbar, .button-row { gap: 8px; }
  .toolbar .btn, .button-row .cta-button { padding: 11px 12px; min-height: 44px; flex: 1 1 calc(50% - 4px); justify-content: center; }
  .toolbar .btn-primary, .button-row .cta-button.btn-red { flex: 1 1 100%; }
  .toolbar .btn-sm { min-height: 36px; padding: 8px 12px; }
  .btn { min-height: 42px; }
  .btn-sm { min-height: 34px; }

  .custom-range input, .fu-input { font-size: 16px; padding: 11px 10px; }
  .pick-count-select { font-size: 14px; }

  .record-head { gap: 6px; }
  .record-period { font-size: 14px; }
  .record-time { margin-left: 0; width: 100%; font-size: 11px; }

  .disclaimer, .footer { font-size: 11.5px; }
}

/* 小屏手机（≤380px） */
@media (max-width: 380px) {
  .app-container, .page-container { padding-left: max(10px, env(safe-area-inset-left)); padding-right: max(10px, env(safe-area-inset-right)); }
  .card { padding: 12px; }
  .user-bar #user-info { display: none; }
  .ball { width: 33px; height: 33px; font-size: 13px; }
  .stat-grid { grid-template-columns: 1fr; }
  .pick-count-row { flex-direction: column; align-items: stretch; }
}

/* 可访问性：尊重"减少动态效果" */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition-duration: .001ms !important; animation-duration: .001ms !important; }
}

/* ============================================================
   登录页（与大乐透 login.html 结构一致：居中卡片 + 右上角主题切换）
   ============================================================ */
body.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px 16px;
}
.login-wrap { width: 100%; max-width: 420px; }
.brand { text-align: center; margin-bottom: 22px; }
.brand-title {
  font-size: 24px; font-weight: 700; letter-spacing: .5px;
  background: linear-gradient(180deg, var(--kl8-primary) 0%, var(--kl8-primary-2) 100%);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.brand-subtitle { font-size: 13px; color: var(--kl8-muted); margin-top: 6px; }
.login-card { padding: 24px; }
.login-card .card-title { margin-bottom: 18px; justify-content: center; }
.form-item { display: flex; flex-direction: column; gap: 6px; }
.form-item label { font-size: 14px; color: var(--kl8-text-secondary); }
.login-input {
  width: 100%; padding: 12px 14px; border-radius: var(--kl8-radius-sm);
  border: 1px solid var(--kl8-border-strong); background: var(--kl8-surface);
  color: var(--kl8-foreground); font-size: 15px; outline: none;
  transition: border-color .18s ease, box-shadow .18s ease;
}
.login-input:focus { border-color: var(--kl8-primary); box-shadow: 0 0 0 3px rgba(168, 85, 247, 0.16); }
.login-btn {
  width: 100%; margin-top: 6px; padding: 13px 0; border: none; border-radius: var(--kl8-radius-sm);
  background: var(--kl8-btn-primary); color: #fff; font-size: 16px; font-weight: 600;
  cursor: pointer; letter-spacing: 2px; transition: transform .12s ease, opacity .2s ease;
}
.login-btn:active { transform: scale(.98); }
.login-btn:disabled { opacity: .6; cursor: not-allowed; }
.lottery-links { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
.lottery-links a {
  padding: 6px 12px; border-radius: 9px; font-size: 13px; text-decoration: none;
  background: var(--kl8-tag-bg); color: var(--kl8-tag-text);
}
.lottery-links span.empty-lot {
  padding: 6px 12px; border-radius: 9px; font-size: 13px;
  background: var(--kl8-muted-bg); color: var(--kl8-muted);
}
.login-footer { text-align: center; margin-top: 20px; font-size: 12px; color: var(--kl8-text-tertiary); line-height: 1.8; }
.denied-box {
  margin-top: 14px; padding: 12px 14px; border-radius: var(--kl8-radius-sm);
  background: var(--kl8-warning-bg); color: var(--kl8-warning); font-size: 13px; line-height: 1.7;
}
/* 主题切换：固定右上角（避免脚本右下角悬浮兜底） */
.login-theme {
  position: fixed; z-index: 50;
  top: max(14px, env(safe-area-inset-top));
  right: max(14px, env(safe-area-inset-right));
}
@media (min-width: 1024px) {
  body.login-page { padding: 40px 24px; }
  .login-wrap { max-width: 460px; }
  .brand { margin-bottom: 26px; }
  .brand-title { font-size: 28px; }
  .brand-subtitle { font-size: 14px; }
  .login-card { padding: 32px 30px; }
  .login-input { font-size: 15px; padding: 13px 15px; }
  .login-btn { padding: 14px 0; }
  .login-card:hover { box-shadow: var(--kl8-card-glow); }
}
@media (max-width: 720px) {
  body.login-page {
    padding: max(20px, env(safe-area-inset-top)) max(14px, env(safe-area-inset-right))
             max(20px, env(safe-area-inset-bottom)) max(14px, env(safe-area-inset-left));
  }
  .brand-title { font-size: 21px; }
  .brand-subtitle { font-size: 12px; }
  .login-card { padding: 18px 16px; }
  .login-input { font-size: 16px; padding: 12px 13px; }
  .login-btn { padding: 13px 0; min-height: 46px; }
  .lottery-links a, .lottery-links span.empty-lot { padding: 8px 14px; font-size: 13px; }
}
@media (max-width: 380px) {
  .brand-title { font-size: 19px; }
  .login-card { padding: 16px 13px; }
}

/* ============================================================
   历史记录页（我的生成记录，与大乐透头部结构一致）
   ============================================================ */
.page-header { display: flex; align-items: center; gap: 12px; margin-bottom: 4px; }
.back-btn {
  padding: 8px 14px; border: 1px solid var(--kl8-border-strong); border-radius: 10px;
  background: var(--kl8-surface); color: var(--kl8-text-secondary);
  font-size: 14px; text-decoration: none; transition: .15s; flex: none;
}
.back-btn:hover { border-color: var(--kl8-border-strong); transform: translateY(-1px); }
.back-btn:active { transform: scale(.97); }
.filter-item { display: flex; flex-direction: column; gap: 6px; }
.filter-item label { font-size: 13px; color: var(--kl8-muted); }
.filter-item input {
  padding: 9px 10px; border-radius: 10px; border: 1px solid var(--kl8-border-strong);
  background: var(--kl8-surface); color: var(--kl8-foreground); font-size: 14px;
}
.filter-item input:focus { outline: none; border-color: var(--kl8-primary); box-shadow: var(--kl8-card-glow); }
.filter-actions { display: flex; gap: 10px; margin-top: 4px; }
.filter-actions button { flex: 1; }
.btn-secondary {
  background: var(--kl8-surface); color: var(--kl8-text-secondary);
  border: 1px solid var(--kl8-border-strong);
}
.btn-secondary:hover { border-color: var(--kl8-border-strong); transform: translateY(-1px); }
.stats { font-size: 13px; color: var(--kl8-muted); }
.empty-tip { font-size: 14px; color: var(--kl8-muted); text-align: center; padding: 24px 0; }
.pagination { display: flex; justify-content: center; gap: 8px; margin-top: 8px; align-items: center; }
.pagination button {
  padding: 6px 12px; border-radius: 8px; border: 1px solid var(--kl8-border-strong);
  background: var(--kl8-surface); color: var(--kl8-text-secondary); cursor: pointer;
}
.pagination button:disabled { opacity: .4; cursor: not-allowed; }
.pagination button:hover:not(:disabled) { border-color: var(--kl8-primary); }
.pagination span { color: var(--kl8-muted); font-size: 13px; line-height: 28px; }

/* 历史记录页：PC 宽屏两列网格，充分利用横向空间（与大乐透节奏一致） */
@media (min-width: 768px) {
  .page-title.grad {
    font-size: 28px;
    position: relative;
    padding-bottom: 12px;
    background: linear-gradient(120deg, var(--kl8-primary), var(--kl8-primary-2) 72%);
    -webkit-background-clip: text; background-clip: text;
    -webkit-text-fill-color: transparent; color: transparent;
  }
  .page-title.grad::after {
    content: ""; position: absolute; left: 0; bottom: 0;
    width: 64px; height: 3px; border-radius: 3px;
    background: linear-gradient(90deg, var(--kl8-primary), var(--kl8-primary-2));
  }
  .filter-item { flex-direction: row; align-items: center; }
  .filter-item input { flex: 1; min-width: 220px; }
  .filter-actions { margin-top: 0; }
  #records-list {
    display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px 18px;
  }
  .record {
    padding: 12px; border-bottom: none;
    background: var(--kl8-surface); border-radius: 12px;
  }
  .footer { margin-top: 24px; }
}