/* ============================================================
   xainvest — 共享样式 (浅色主题)
   ============================================================ */
:root{
    --bg:#F2F4F7;--card:#FFF;--border:#DDE1E7;--text:#1a1a1a;
    --secondary:#666;--yellow:#F5A623;--yellow-dark:#E8961A;
    --red:#CC0000;--green:#008800;--blue:#2563EB;--radius:6px;
    --font:"PingFang SC","Microsoft YaHei","Helvetica Neue",sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box;}
body{background:var(--bg);color:var(--text);font-family:var(--font);font-size:14px;min-height:100vh;display:flex;flex-direction:column;}
a{color:var(--blue);text-decoration:none;}

/* 顶部导航 */
.topbar{background:#1a1a2e;color:#FFF;padding:0 24px;height:52px;display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:100;}
.topbar h1{font-size:18px;font-weight:700;letter-spacing:2px;color:var(--yellow);}
.topbar .nav{display:flex;gap:6px;}
.topbar .nav a{color:#AAA;text-decoration:none;padding:6px 14px;border-radius:4px;font-size:13px;transition:0.15s;}
.topbar .nav a:hover{background:#2a2a4e;color:#FFF;}
.topbar .nav a.active{background:var(--yellow);color:#000;font-weight:600;}
.topbar .tb-info{display:flex;align-items:center;gap:8px;font-size:12px;color:#AAA;}

/* 容器 */
.container{max-width:1400px;margin:0 auto;padding:20px 24px;flex:1;width:100%;}

/* 工具栏 */
.toolbar{display:flex;align-items:center;gap:6px;margin-bottom:10px;flex-wrap:wrap;padding:8px 12px;background:var(--card);border:1px solid var(--border);border-radius:var(--radius);}
.toolbar .spacer{flex:1;}
.toolbar label{font-size:13px;color:var(--secondary);white-space:nowrap;}

/* 按钮 */
.btn{padding:5px 12px;border:none;border-radius:3px;font-size:12px;font-weight:600;cursor:pointer;font-family:var(--font);transition:0.15s;white-space:nowrap;}
.btn-primary{background:var(--yellow);color:#000;}.btn-primary:hover{background:var(--yellow-dark);}
.btn-outline{background:var(--card);border:1px solid var(--border);color:var(--text);}.btn-outline:hover{background:#F5F6F8;}
.btn-danger{background:var(--card);border:1px solid #FCC;color:#C00;}.btn-danger:hover{background:#FFF5F5;}
.btn-sm{padding:3px 8px;font-size:10px;}.btn-xs{padding:1px 5px;font-size:9px;border-radius:2px;}

/* 板块标签 */
.board-tag{display:inline-block;font-size:10px;font-weight:600;padding:1px 3px;border-radius:2px;vertical-align:middle;line-height:1.2;border:1px solid transparent;}
.board-tag.cyb{color:#C00;background:#FFF0F0;border:1px solid #FCC;}   /* 创业板 */
.board-tag.kcb{color:#06C;background:#F0F5FF;border:1px solid #BCE;}   /* 科创板 */
.board-tag.bjs{color:#960;background:#FFF8F0;border:1px solid #FDB;}   /* 北交所 */

/* 输入框 */
input[type=text],input[type=search]{padding:7px 12px;border:2px solid var(--border);border-radius:4px;font-size:13px;outline:none;font-family:var(--font);}
input:focus{border-color:var(--yellow);}

/* 颜色 */
.pct-up{color:var(--red);font-weight:700;}
.pct-down{color:var(--green);font-weight:700;}
.pct-zero{color:#999;}

/* ---- 涨跌幅进度条 ---- */
.pct-bar-cell{display:flex;align-items:center;justify-content:flex-end;}
.pct-bar-track{position:relative;width:100px;height:20px;background:#F0F1F3;border:1px solid #CBD0D6;border-radius:3px;overflow:hidden;flex-shrink:0;}
.pct-bar-fill{position:absolute;top:0;height:100%;border-radius:2px;transition:width 0.3s ease;}
.pct-bar-fill.up{right:0;background:rgba(204,0,0,0.22);}
.pct-bar-fill.down{left:0;background:rgba(0,136,0,0.20);}
.pct-bar-num{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:12px;z-index:1;pointer-events:none;}
.pct-bar-num.up{color:#C00;}.pct-bar-num.down{color:#080;}.pct-bar-num.zero{color:#999;}

/* 弹窗 */
.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,0.4);z-index:200;display:none;align-items:center;justify-content:center;}
.modal-overlay.show{display:flex;}
.modal{background:#FFF;border-radius:12px;padding:24px;min-width:380px;max-width:500px;box-shadow:0 8px 40px rgba(0,0,0,0.2);}
.modal h3{font-size:18px;margin-bottom:16px;}
.modal .field{margin-bottom:12px;}
.modal .field label{display:block;font-size:12px;color:var(--secondary);margin-bottom:4px;font-weight:600;}
.modal .field input{width:100%;padding:8px 12px;border:2px solid var(--border);border-radius:6px;font-size:14px;outline:none;font-family:var(--font);}
.modal .field input:focus{border-color:var(--yellow);}
.modal .btns{display:flex;gap:8px;justify-content:flex-end;margin-top:20px;}

/* Toast */
.toast{position:fixed;top:64px;right:24px;z-index:300;padding:10px 20px;border-radius:6px;font-size:13px;color:#FFF;animation:fadeIn 0.3s;box-shadow:0 4px 12px rgba(0,0,0,0.2);}
.toast.ok{background:#16A34A;}.toast.info{background:#2563EB;}.toast.warn{background:#D97706;}
@keyframes fadeIn{from{opacity:0;transform:translateY(-8px);}to{opacity:1;transform:translateY(0);}}

/* 空状态 */
.empty-state{text-align:center;padding:60px 20px;color:#AAA;}
.empty-state .icon{font-size:48px;display:block;margin-bottom:12px;}

/* 页脚 */
.footer{text-align:center;padding:14px;color:#AAA;font-size:11px;border-top:1px solid var(--border);margin-top:auto;}
.status-bar{display:flex;align-items:center;gap:12px;padding:8px 16px;background:var(--card);border:1px solid var(--border);border-radius:var(--radius);margin-bottom:16px;font-size:12px;color:var(--secondary);}
.status-dot{width:8px;height:8px;border-radius:50%;background:#16A34A;}
.status-dot.stale{background:#D97706;}
.status-dot.error{background:#EF4444;}

/* 响应式: 参考 b2t 的移动端策略 */
@media(max-width:1200px){.container{max-width:100%;}}

@media(max-width:640px){
    /* 核心: 禁止横向滚动 */
    body{font-size:13px;max-width:100vw;overflow-x:hidden;}
    .topbar{height:44px;padding:0 12px;}
    .topbar h1{font-size:14px;letter-spacing:0;}
    .topbar .nav a{padding:4px 8px;font-size:11px;}
    .topbar .tb-info{display:none;}
    .container{padding:8px 10px;}
    /* 工具栏全宽竖排 */
    .toolbar{flex-wrap:wrap;gap:6px;padding:8px 10px;font-size:12px;}
    .toolbar select,.toolbar input[type=text]{font-size:12px;padding:6px 8px;width:100%;max-width:100%;}
    .toolbar .spacer{display:none;}
    /* 按钮触控友好 */
    .btn{padding:8px 14px;font-size:12px;min-height:36px;}
    .btn-sm{padding:4px 8px;font-size:10px;min-height:28px;}
    /* 弹窗 */
    .modal{min-width:auto;width:calc(100vw - 32px);padding:16px;}
    .toast{top:52px;right:8px;left:8px;font-size:12px;text-align:center;}
    /* 表格滚动 */
    .stock-table{display:block;overflow-x:auto;-webkit-overflow-scrolling:touch;}
    .stock-table thead,.stock-table tbody{display:table;width:100%;}
    /* 页脚 */
    .footer{font-size:10px;padding:10px;}
}

/* ============================================================
   分组卡片横向排布容器
   ============================================================ */
.cards-container{
    display:grid;gap:8px;align-items:start;
}
.cards-container.cols-1{grid-template-columns:repeat(1,1fr);}
.cards-container.cols-2{grid-template-columns:repeat(2,1fr);}
.cards-container.cols-3{grid-template-columns:repeat(3,1fr);}
.cards-container.cols-4{grid-template-columns:repeat(4,1fr);}
.cards-container.cols-5{grid-template-columns:repeat(5,1fr);}
.cards-container.cols-6{grid-template-columns:repeat(6,1fr);}
.cards-container.cols-7{grid-template-columns:repeat(7,1fr);}
.cards-container.cols-8{grid-template-columns:repeat(8,1fr);}
.cards-container .group-card{min-width:0;}
@media(max-width:768px){
    .cards-container:not(.cols-fixed){grid-template-columns:repeat(1,1fr);}
}