/* 双色球曼德尔公式分析系统 - 样式 */
:root{--bg:#08080e;--bg2:#0e0e1a;--card:#13132a;--card2:#1a1a35;--border:rgba(220,38,38,.12);--red:#ef4444;--red2:#dc2626;--red3:#b91c1c;--blue:#3b82f6;--blue2:#2563eb;--blue3:#1d4ed8;--gold:#f0b429;--gold2:#d4a017;--text:#e8e6e3;--muted:#6b7280;--hot:#ef4444;--warm:#f97316;--cool:#3b82f6;--cold:#06b6d4;--green:#10b981;--teal:#14b8a6;--purple:#8b5cf6}
*{margin:0;padding:0;box-sizing:border-box;scrollbar-width:thin;scrollbar-color:var(--red3) var(--bg2)}
::-webkit-scrollbar{width:6px;height:6px}
::-webkit-scrollbar-track{background:var(--bg2)}
::-webkit-scrollbar-thumb{background:var(--red3);border-radius:3px}
body{font-family:'Noto Sans SC',sans-serif;background:var(--bg);color:var(--text);overflow:hidden;height:100vh}

/* ========== 应用级布局（CSS Grid，彻底解决flex嵌套高度问题）========== */
.app-layout{
  display:grid;
  grid-template-rows:auto 1fr auto;
  height:100vh;
  width:100vw;
  overflow:hidden
}
.app-header{
  background:var(--bg2);
  border-bottom:1px solid var(--border);
  padding:0 20px;
  height:50px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  grid-row:1
}
.app-body{
  display:flex;
  min-height:0;
  overflow:hidden;
  grid-row:2
}
.app-main{
  flex:1;
  min-height:0;
  overflow:hidden;
  display:block; /* 不使用flex，让section自然填充 */
  position:relative
}
.app-footer{
  background:var(--bg2);
  border-top:1px solid var(--border);
  height:24px;
  display:flex;
  align-items:center;
  padding:0 16px;
  font-size:10px;
  color:var(--muted);
  grid-row:3;
  flex-shrink:0;
  z-index:10;
  position:relative
}
.font-display{font-family:'Orbitron','Noto Sans SC',sans-serif}
.ball-red{width:38px;height:38px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;font-weight:700;font-size:15px;background:linear-gradient(145deg,#ef4444,#dc2626);color:#fff;box-shadow:0 3px 10px rgba(239,68,68,.35),inset 0 -3px 6px rgba(0,0,0,.25);flex-shrink:0;transition:transform .2s}
.ball-red:hover{transform:scale(1.15)}
.ball-blue{width:38px;height:38px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;font-weight:700;font-size:15px;background:linear-gradient(145deg,#3b82f6,#2563eb);color:#fff;box-shadow:0 3px 10px rgba(59,130,246,.35),inset 0 -3px 6px rgba(0,0,0,.25);flex-shrink:0;transition:transform .2s}
.ball-blue:hover{transform:scale(1.15)}
.ball-sm{width:28px;height:28px;font-size:12px;box-shadow:0 2px 6px rgba(239,68,68,.3),inset 0 -2px 4px rgba(0,0,0,.2)}
.ball-sm-blue{width:28px;height:28px;font-size:12px;background:linear-gradient(145deg,#3b82f6,#2563eb);color:#fff;box-shadow:0 2px 6px rgba(59,130,246,.3),inset 0 -2px 4px rgba(0,0,0,.2)}
.ball-rec{width:44px;height:44px;font-size:17px;background:linear-gradient(145deg,#fbbf24,#f59e0b);color:#1a1a2e;box-shadow:0 4px 15px rgba(245,158,11,.4),inset 0 -3px 6px rgba(0,0,0,.2);animation:ballPulse 2s ease-in-out infinite}
.ball-rec-blue{width:44px;height:44px;font-size:17px;background:linear-gradient(145deg,#60a5fa,#3b82f6);color:#fff;box-shadow:0 4px 15px rgba(59,130,246,.5),inset 0 -3px 6px rgba(0,0,0,.2);animation:ballPulseBlue 2s ease-in-out infinite}
@keyframes ballPulse{0%,100%{box-shadow:0 4px 15px rgba(245,158,11,.4)}50%{box-shadow:0 4px 25px rgba(245,158,11,.7)}}
@keyframes ballPulseBlue{0%,100%{box-shadow:0 4px 15px rgba(59,130,246,.5)}50%{box-shadow:0 4px 25px rgba(59,130,246,.8)}}
.sidebar{width:220px;background:var(--bg2);border-right:1px solid var(--border);display:flex;flex-direction:column;flex-shrink:0;overflow-y:auto;overflow-x:hidden;transition:width .3s,transform .3s}
.nav-item{padding:11px 18px;cursor:pointer;display:flex;align-items:center;gap:10px;font-size:14px;color:var(--muted);border-left:3px solid transparent;transition:all .2s;user-select:none;white-space:nowrap}
.nav-item:hover{color:var(--text);background:rgba(239,68,68,.05)}
.nav-item.active{color:var(--red);border-left-color:var(--red);background:rgba(239,68,68,.08)}
.nav-item i{width:18px;text-align:center;font-size:13px;flex-shrink:0}
/* 侧边栏收起按钮 */
.sidebar-toggle{display:flex;background:none;border:none;color:var(--text);font-size:18px;cursor:pointer;padding:4px 8px;align-items:center;justify-content:center;flex-shrink:0;border-radius:6px;transition:background .2s}
.sidebar-toggle:hover{background:rgba(239,68,68,.1)}
/* 侧边栏遮罩层（移动端） */
.sidebar-overlay{display:none;position:fixed;top:50px;left:0;right:0;bottom:0;background:rgba(0,0,0,.5);z-index:998;backdrop-filter:blur(2px)}
/* 桌面端收起状态 */
.sidebar.collapsed{width:56px}
.sidebar.collapsed>div:not(.nav-item){display:none}
.sidebar.collapsed .nav-item{padding:12px 0;justify-content:center;font-size:0;gap:0;border-left:none}
.sidebar.collapsed .nav-item i{font-size:17px;width:auto}
.sidebar.collapsed .nav-item.active{background:rgba(239,68,68,.15)}
.sidebar.collapsed .nav-item:hover{background:rgba(239,68,68,.1)}
.card{background:var(--card);border:1px solid var(--border);border-radius:10px;padding:20px;margin-bottom:16px}
.card-title{font-size:15px;font-weight:700;color:var(--red);margin-bottom:14px;display:flex;align-items:center;gap:8px}
.card-title i{font-size:14px}
table.data-table{width:100%;border-collapse:collapse;font-size:13px}
table.data-table th{background:rgba(239,68,68,.08);color:var(--red);font-weight:500;padding:8px 10px;text-align:center;border-bottom:1px solid var(--border);white-space:nowrap}
table.data-table td{padding:7px 10px;text-align:center;border-bottom:1px solid rgba(255,255,255,.03)}
table.data-table tr:hover td{background:rgba(239,68,68,.03)}
.heat-0{background:rgba(16,185,129,.15);color:#34d399}
.heat-1{background:rgba(16,185,129,.08);color:#6ee7b7}
.heat-2{background:rgba(240,180,41,.06);color:#fbbf24}
.heat-3{background:rgba(249,115,22,.08);color:#fb923c}
.heat-4{background:rgba(239,68,68,.12);color:#f87171}
.cold-bar{height:6px;border-radius:3px;transition:width .5s}
.tag{display:inline-block;padding:2px 8px;border-radius:4px;font-size:12px;font-weight:500}
.tag-red{background:rgba(239,68,68,.15);color:var(--red)}
.tag-blue{background:rgba(59,130,246,.15);color:var(--blue)}
.tag-gold{background:rgba(240,180,41,.15);color:var(--gold)}
.tag-green{background:rgba(16,185,129,.15);color:#34d399}
.tag-purple{background:rgba(139,92,246,.15);color:#a78bfa}
.btn{padding:8px 20px;border-radius:6px;border:none;cursor:pointer;font-size:13px;font-weight:500;transition:all .2s;font-family:inherit}
.btn-red{background:linear-gradient(135deg,var(--red),var(--red2));color:#fff}
.btn-red:hover{box-shadow:0 4px 15px rgba(239,68,68,.4);transform:translateY(-1px)}
.btn-outline{background:transparent;border:1px solid var(--border);color:var(--red)}
.btn-outline:hover{background:rgba(239,68,68,.08)}
input,select{background:var(--bg2);border:1px solid var(--border);color:var(--text);padding:6px 10px;border-radius:6px;font-size:13px;font-family:inherit;outline:none;transition:border-color .2s}
input:focus,select:focus{border-color:var(--red)}
.section{
  display:none;
  position:absolute;
  top:0;left:0;right:0;bottom:0;
  overflow-y:auto;
  padding:20px
}
.section.active{display:block}
.toast-wrap{position:fixed;top:16px;right:16px;z-index:9999;display:flex;flex-direction:column;gap:8px}
.toast{padding:12px 20px;border-radius:8px;font-size:13px;color:#fff;animation:toastIn .3s ease-out;box-shadow:0 4px 20px rgba(0,0,0,.4)}
.toast-success{background:linear-gradient(135deg,#059669,#047857)}
.toast-error{background:linear-gradient(135deg,#dc2626,#b91c1c)}
.toast-info{background:linear-gradient(135deg,var(--red),var(--red2))}
@keyframes toastIn{from{opacity:0;transform:translateX(40px)}to{opacity:1;transform:translateX(0)}}
@keyframes fadeIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}
.fade-in{animation:fadeIn .4s ease-out}
.stat-num{font-family:'Orbitron',monospace;font-weight:700;font-size:24px;color:var(--red)}
.progress-bg{height:8px;background:var(--bg);border-radius:4px;overflow:hidden}
.progress-fill{height:100%;border-radius:4px;transition:width .6s ease-out}
.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.6);z-index:999;display:flex;align-items:center;justify-content:center;backdrop-filter:blur(4px)}
.modal{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:24px;max-width:700px;width:90%;max-height:80vh;overflow-y:auto}
.mandel-card{background:linear-gradient(135deg,rgba(139,92,246,.08),rgba(239,68,68,.05));border:1px solid rgba(139,92,246,.2);border-radius:12px;padding:24px}
.mandel-title{font-size:18px;font-weight:700;color:var(--purple);display:flex;align-items:center;gap:10px}
.mandel-subtitle{font-size:12px;color:var(--muted);margin-top:4px}
.mandel-step{display:flex;align-items:center;gap:12px;padding:12px 16px;background:var(--bg2);border-radius:8px;border:1px solid var(--border);margin-bottom:8px}
.mandel-step-num{width:32px;height:32px;border-radius:50%;background:linear-gradient(135deg,var(--purple),#7c3aed);color:#fff;font-weight:700;font-size:14px;display:flex;align-items:center;justify-content:center}
.mandel-step-text{font-size:13px;color:var(--text)}
.mandel-step-detail{font-size:11px;color:var(--muted);margin-top:2px}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}

/* ========== 移动端适配 ========== */
@media(max-width:768px){
  /* 侧边栏变为抽屉 */
  .sidebar-toggle{display:flex}
  .sidebar{
    position:fixed;top:50px;left:0;bottom:0;z-index:999;
    width:240px;transform:translateX(-100%);
    box-shadow:4px 0 24px rgba(0,0,0,.4)
  }
  .sidebar.mobile-open{transform:translateX(0)}
  .sidebar.collapsed{width:240px}
  .sidebar.collapsed>div:not(.nav-item){display:block}
  .sidebar.collapsed .nav-item{padding:11px 18px;justify-content:flex-start;font-size:14px;gap:10px;border-left:3px solid transparent}
  .sidebar.collapsed .nav-item i{font-size:13px;width:18px}
  .sidebar.collapsed .nav-item.active{border-left-color:var(--red);background:rgba(239,68,68,.08)}
  .sidebar-overlay.show{display:block}

  /* 头部 */
  .app-header{padding:0 10px}
  .app-header .sidebar-toggle{font-size:16px;padding:4px 6px}
  .app-header .font-display{font-size:11px}
  #headerBalls{display:none!important}
  .app-header .btn{font-size:0!important;padding:6px 9px!important}
  .app-header .btn i{font-size:14px!important;margin:0!important}

  /* 底部状态栏 */
  .app-footer{font-size:9px;padding:0 8px;height:22px}
  #statusCenter,#statusDate,#statusRight{display:none}

  /* 内容区 */
  .section{padding:12px}
  .card{padding:12px;margin-bottom:12px}
  .card-title{font-size:13px;margin-bottom:10px}

  /* 球号（手机端放大） */
  .ball-red,.ball-blue{width:36px;height:36px;font-size:15px}
  .ball-sm{width:30px;height:30px;font-size:13px}
  .ball-sm-blue{width:30px;height:30px;font-size:13px}
  .ball-rec,.ball-rec-blue{width:40px;height:40px;font-size:16px}

  /* 网格响应式 - 覆盖内联样式 */
  .section [style*="repeat(6,1fr)"]{grid-template-columns:repeat(3,1fr)!important}
  .section [style*="repeat(4,1fr)"]{grid-template-columns:repeat(2,1fr)!important}
  .section [style*="repeat(3,1fr)"]{grid-template-columns:1fr!important}
  .section [style*="grid-template-columns:1fr 1fr"]{grid-template-columns:1fr!important}
  .section [style*="minmax(380px"]{grid-template-columns:1fr!important}
  .section [style*="minmax(340px"]{grid-template-columns:1fr!important}

  /* 表格 */
  table.data-table{font-size:11px;display:block;overflow-x:auto;-webkit-overflow-scrolling:touch}
  table.data-table th,table.data-table td{padding:5px 6px;white-space:nowrap}

  /* 统计数字 */
  .stat-num{font-size:18px}

  /* 弹窗 */
  .modal{width:95%;padding:16px;max-height:85vh}
  .modal textarea{height:200px!important}

  /* 曼德尔卡片 */
  .mandel-card{padding:14px}
  .mandel-title{font-size:15px}
  .mandel-step{padding:10px 12px;gap:8px}
  .mandel-step-num{width:28px;height:28px;font-size:12px}

  /* 公式选择网格 */
  .formula-mode-grid{grid-template-columns:1fr!important;gap:10px}
  .formula-card{padding:14px 12px}

  /* 荐号相关 */
  .bet-count-row{flex-wrap:wrap;gap:8px}
  .bet-count-btn{width:40px;height:40px;font-size:20px}
  .bet-count-display{height:40px;font-size:22px}
  .bet-history-btn{height:40px;padding:0 14px;font-size:12px}
  .generate-btn{padding:16px;font-size:18px;min-height:52px}
  .pick-results-grid{display:grid;grid-template-columns:1fr;gap:10px}
  @media (min-width:769px){.pick-results-grid{grid-template-columns:repeat(2,1fr)}}

  /* Toast */
  .toast-wrap{top:8px;right:8px;left:8px}
  .toast{font-size:12px;padding:10px 14px}

  /* 覆盖池荐号区域 */
  .mandel-card [style*="display:flex;gap:12px;margin-bottom:14px"]{flex-wrap:wrap;gap:6px}
  .pick-result-card{gap:8px;padding:10px 12px}
  .pick-result-main{gap:8px}
  .pick-result-balls{overflow-x:auto}
  .data-range-row{gap:6px}
  .range-btn{min-width:60px;padding:8px 14px;font-size:13px}
}

/* 超小屏（≤480px） */
@media(max-width:480px){
  .section{padding:8px}
  .card{padding:10px;margin-bottom:10px}
  .card-title{font-size:12px;margin-bottom:8px}
  .ball-red,.ball-blue{width:32px;height:32px;font-size:14px}
  .ball-sm{width:26px;height:26px;font-size:11px}
  .ball-sm-blue{width:26px;height:26px;font-size:11px}
  .ball-rec,.ball-rec-blue{width:36px;height:36px;font-size:15px}
  .section [style*="repeat(6,1fr)"]{grid-template-columns:repeat(2,1fr)!important}
  table.data-table{font-size:10px}
  table.data-table th,table.data-table td{padding:4px 3px}
  .stat-num{font-size:16px}
  .nav-item{padding:9px 14px;font-size:13px}
  .app-header{padding:0 8px}
  .app-header .font-display{font-size:10px}
  .app-header .btn{padding:5px 7px!important}
  .app-header .btn i{font-size:13px!important}
  .generate-btn{padding:15px;font-size:17px;min-height:50px}
  .pick-result-index{width:26px;height:26px;font-size:11px}
  .pick-result-card{padding:8px 10px;gap:6px}
  .pick-result-main{gap:6px}
  .pick-result-balls{gap:3px}
}

/* ========== 曼德尔荐号模块样式 ========== */
.formula-mode-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-bottom:20px}
.formula-card{background:var(--bg2);border:2px solid var(--border);border-radius:12px;padding:18px 14px;text-align:center;cursor:pointer;transition:all .25s;user-select:none}
.formula-card:hover{border-color:rgba(139,92,246,.4);background:rgba(139,92,246,.04)}
.formula-card.active{border-color:var(--gold);background:rgba(240,180,41,.06);box-shadow:0 0 20px rgba(240,180,41,.15)}
.formula-card.active .formula-name{color:var(--gold)}
.formula-name{font-size:16px;font-weight:700;color:var(--text);margin-bottom:4px}
.formula-formula{font-family:'Orbitron',monospace;font-size:12px;color:var(--muted);margin-top:6px}

.bet-count-row{display:flex;align-items:center;gap:14px;margin-bottom:20px}
.bet-count-btn{width:44px;height:44px;border-radius:10px;background:var(--bg2);border:1px solid var(--border);color:var(--red);font-size:22px;font-weight:700;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s;flex-shrink:0}
.bet-count-btn:hover{background:rgba(239,68,68,.1);border-color:var(--red)}
.bet-count-display{flex:1;height:44px;display:flex;align-items:center;justify-content:center;background:var(--bg2);border:1px solid var(--border);border-radius:10px;font-family:'Orbitron',monospace;font-size:26px;font-weight:700;color:var(--gold)}
.bet-history-btn{height:44px;padding:0 18px;border-radius:10px;background:transparent;border:1px solid var(--gold);color:var(--gold);font-size:13px;font-weight:600;cursor:pointer;display:flex;align-items:center;gap:6px;transition:all .2s}
.bet-history-btn:hover{background:rgba(240,180,41,.08)}

.progress-track{height:8px;background:var(--bg);border-radius:4px;overflow:hidden;margin-bottom:8px}
.progress-bar-fill{height:100%;border-radius:4px;background:linear-gradient(90deg,var(--purple),var(--gold));transition:width .3s linear;width:0%}

.data-range-row{display:flex;gap:10px;margin-bottom:20px;flex-wrap:wrap}
.range-btn{padding:10px 22px;border-radius:10px;background:var(--bg2);border:1px solid var(--border);color:var(--muted);font-size:14px;font-weight:500;cursor:pointer;transition:all .2s;flex:1;text-align:center;min-width:80px}
.range-btn:hover{color:var(--text);border-color:var(--purple)}
.range-btn.active{border-color:var(--gold);color:var(--gold);background:rgba(240,180,41,.06)}

.generate-btn{width:100%;padding:14px;border-radius:10px;background:linear-gradient(135deg,var(--purple),#7c3aed);color:#fff;font-size:16px;font-weight:700;cursor:pointer;transition:all .25s;display:flex;align-items:center;justify-content:center;gap:8px;border:none;font-family:inherit}
.generate-btn:hover{box-shadow:0 4px 20px rgba(139,92,246,.5);transform:translateY(-1px)}
.generate-btn:disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}

.pick-result-card{background:var(--bg2);border:1px solid var(--border);border-radius:10px;padding:14px 16px;display:flex;flex-direction:column;gap:10px;transition:all .2s}
.pick-result-card:hover{border-color:rgba(240,180,41,.3);background:rgba(240,180,41,.03)}
.pick-result-main{display:flex;align-items:center;gap:12px;width:100%}
.pick-result-index{width:32px;height:32px;border-radius:50%;background:linear-gradient(135deg,var(--purple),#7c3aed);color:#fff;font-weight:700;font-size:13px;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.pick-result-balls{display:flex;gap:5px;flex:1;flex-wrap:nowrap;overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:thin;padding:2px 0;min-width:0}
.pick-result-balls::-webkit-scrollbar{height:4px}
.pick-result-balls::-webkit-scrollbar-track{background:var(--bg2);border-radius:2px}
.pick-result-balls::-webkit-scrollbar-thumb{background:var(--red3);border-radius:2px}

.blue-allin-toggle{display:flex;align-items:center;gap:8px;margin-top:12px;padding:10px 14px;background:var(--bg2);border:1px solid var(--blue)33;border-radius:8px;cursor:pointer;transition:all .2s}
.blue-allin-toggle:hover{border-color:rgba(59,130,246,.4)}
.blue-allin-checkbox{width:20px;height:20px;border-radius:50%;border:2px solid var(--blue);display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:all .2s}
.blue-allin-checkbox.checked{background:var(--blue);border-color:var(--blue)}
.blue-allin-checkbox.checked::after{content:'';width:8px;height:8px;border-radius:50%;background:#fff}

.prize-table{width:100%;border-collapse:collapse;font-size:12px;margin-top:10px}
.prize-table th{background:rgba(239,68,68,.08);color:var(--red);font-weight:500;padding:6px 8px;border-bottom:1px solid var(--border)}
.prize-table td{padding:6px 8px;text-align:center;border-bottom:1px solid rgba(255,255,255,.03)}

.history-list-item{display:flex;align-items:center;gap:12px;padding:10px 14px;background:var(--bg2);border:1px solid var(--border);border-radius:8px;margin-bottom:8px}
.history-list-time{font-size:11px;color:var(--muted);flex-shrink:0}

/* 大屏优化（≥1200px） */
@media(min-width:1200px){
  .pick-results-grid{grid-template-columns:repeat(3,1fr)}
  .ball-red,.ball-blue{width:40px;height:40px;font-size:16px}
  .card{padding:18px}
  .section{padding:18px}
}