*{box-sizing:border-box;margin:0;padding:0}
:root{
  --bg:#f5f6f8;
  --bg2:#ffffff;
  --bg3:#f0f2f5;
  --border:#e8eaed;
  --border2:#d1d5db;
  --text1:#1a1a2e;
  --text2:#6b7280;
  --text3:#9ca3af;
  --green:#0db57a;
  --red:#e8372a;
  --yellow:#f59e0b;
  --blue:#1677ff;
  --blue2:#4096ff;
  --radius:8px;
  --sidebar:220px;
  --header:56px;
}
body{background:var(--bg);color:var(--text1);font-family:-apple-system,'PingFang SC','Microsoft YaHei',sans-serif;font-size:14px;height:100vh;overflow:hidden}
#app{display:flex;flex-direction:column;height:100vh}

/* ---- Header ---- */
.header{height:var(--header);background:#ffffff;border-bottom:1px solid var(--border);display:flex;align-items:center;padding:0 20px;gap:16px;flex-shrink:0;z-index:100;box-shadow:0 1px 3px rgba(0,0,0,.06)}
.header-logo{display:flex;align-items:center;gap:8px;font-size:16px;font-weight:700;color:var(--text1);text-decoration:none;white-space:nowrap}
.header-logo svg{color:var(--yellow)}
.header-search{flex:1;max-width:320px;position:relative}
.header-search input{width:100%;background:var(--bg3);border:1px solid var(--border);border-radius:20px;padding:7px 12px 7px 36px;color:var(--text1);font-size:13px;outline:none;transition:all .2s}
.header-search input:focus{border-color:var(--blue2)}
.header-search input::placeholder{color:var(--text3)}
.header-search .search-icon{position:absolute;left:10px;top:50%;transform:translateY(-50%);color:var(--text3)}
.search-results{position:absolute;top:calc(100% + 4px);left:0;right:0;background:#ffffff;border:1px solid var(--border);border-radius:var(--radius);z-index:200;max-height:300px;overflow-y:auto;display:none;box-shadow:0 8px 24px rgba(0,0,0,.1)}
.search-results.show{display:block}
.search-item{padding:10px 14px;cursor:pointer;display:flex;align-items:center;gap:10px;transition:background .15s}
.search-item:hover{background:#f5f7ff}
.search-item-code{font-weight:600;font-size:13px;min-width:60px}
.search-item-name{color:var(--text2);font-size:12px}
.search-item-mkt{font-size:11px;color:var(--text3);margin-left:auto;background:var(--bg3);padding:2px 6px;border-radius:4px}
.header-spacer{flex:1}
.header-user{display:flex;align-items:center;gap:10px}
.header-user-name{font-size:13px;color:var(--text2)}
.btn-logout{background:transparent;border:1px solid var(--border2);color:var(--text2);padding:5px 12px;border-radius:5px;cursor:pointer;font-size:12px;transition:all .2s}
.btn-logout:hover{border-color:var(--red);color:var(--red)}
.btn-refresh{background:transparent;border:1px solid var(--border2);color:var(--text2);padding:5px 10px;border-radius:5px;cursor:pointer;font-size:12px;display:flex;align-items:center;gap:5px;transition:all .2s}
.btn-refresh:hover{border-color:var(--blue2);color:var(--blue2)}
.btn-refresh svg{transition:transform .5s}
.btn-refresh.spinning svg{transform:rotate(360deg)}
.btn-login-header{background:transparent;border:1px solid var(--blue);color:var(--blue);padding:6px 14px;border-radius:6px;cursor:pointer;font-size:13px;font-weight:500;transition:all .2s;white-space:nowrap;min-height:36px;min-width:60px}
.btn-login-header:hover{background:var(--blue);color:#fff}
.btn-register-header{background:var(--blue);border:1px solid var(--blue);color:#fff;padding:6px 14px;border-radius:6px;cursor:pointer;font-size:13px;font-weight:500;transition:all .2s;white-space:nowrap;min-height:36px;min-width:60px}
.btn-register-header:hover{background:#1a7fd4;border-color:#1a7fd4}
.delay-badge{display:inline-flex;align-items:center;gap:4px;font-size:11px;color:var(--text3);background:var(--bg3);border:1px solid var(--border);border-radius:4px;padding:2px 7px;margin-left:8px;font-weight:400;vertical-align:middle}
.delay-badge svg{opacity:.7}

/* ---- Layout ---- */
.main-layout{display:flex;flex:1;overflow:hidden}

/* ---- Sidebar ---- */
.sidebar{width:var(--sidebar);background:#ffffff;border-right:1px solid var(--border);display:flex;flex-direction:column;flex-shrink:0;overflow-y:auto}
.nav-item{display:flex;align-items:center;gap:10px;padding:11px 16px;cursor:pointer;color:var(--text2);transition:all .15s;border-left:3px solid transparent;font-size:13px;user-select:none;border-radius:0 6px 6px 0;margin:1px 8px 1px 0}
.nav-item:hover{background:var(--bg3);color:var(--text1)}
.nav-item.active{background:rgba(22,119,255,.08);color:var(--blue);border-left-color:var(--blue);font-weight:500}
.nav-item svg{flex-shrink:0;opacity:.7}
.nav-item.active svg{opacity:1}
.nav-section{padding:16px 16px 6px;font-size:11px;color:var(--text3);text-transform:uppercase;letter-spacing:.8px;font-weight:600}
.sidebar-bottom{margin-top:auto;padding:12px;border-top:1px solid var(--border);background:#fafbfc}
.sidebar-user{display:flex;align-items:center;gap:8px;padding:8px;border-radius:var(--radius)}
.sidebar-avatar{width:32px;height:32px;border-radius:50%;background:var(--blue);display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;color:#fff;flex-shrink:0}
.sidebar-user-info{flex:1;min-width:0}
.sidebar-user-name{font-size:13px;font-weight:500;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.sidebar-user-email{font-size:11px;color:var(--text3);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---- Content ---- */
.content{flex:1;overflow-y:auto;padding:24px}
.page-title{font-size:20px;font-weight:600;margin-bottom:20px;display:flex;align-items:center;gap:10px}
.page-title svg{color:var(--text2)}

/* ---- Cards ---- */
.cards-row{display:grid;gap:16px;margin-bottom:20px}
.cards-row-4{grid-template-columns:repeat(4,1fr)}
.cards-row-3{grid-template-columns:repeat(3,1fr)}
.cards-row-2{grid-template-columns:repeat(2,1fr)}
.card{background:#ffffff;border:1px solid var(--border);border-radius:var(--radius);padding:18px 20px;box-shadow:0 1px 3px rgba(0,0,0,.04)}
.card-label{font-size:12px;color:var(--text3);margin-bottom:6px;display:flex;align-items:center;gap:5px}
.card-value{font-size:22px;font-weight:700;font-variant-numeric:tabular-nums;letter-spacing:-.5px}
.card-sub{font-size:12px;color:var(--text2);margin-top:4px}
.card-value.up{color:var(--green)}
.card-value.down{color:var(--red)}
.card-value.neutral{color:var(--text1)}

/* ---- Table ---- */
.table-wrap{background:#ffffff;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;box-shadow:0 1px 3px rgba(0,0,0,.04)}
.table-header{display:flex;align-items:center;justify-content:space-between;padding:14px 18px;border-bottom:1px solid var(--border)}
.table-title{font-size:14px;font-weight:600}
.table-actions{display:flex;gap:8px}
table{width:100%;border-collapse:collapse}
thead th{padding:10px 18px;text-align:left;font-size:12px;color:var(--text3);font-weight:500;border-bottom:1px solid var(--border);white-space:nowrap;background:#fafbfc}
thead th.right{text-align:right}
tbody tr{border-bottom:1px solid var(--border);transition:background .15s;cursor:pointer}
tbody tr:last-child{border-bottom:none}
tbody tr:hover{background:#f8f9ff}
tbody td{padding:12px 18px;font-size:13px;white-space:nowrap}
tbody td.right{text-align:right}
.symbol{font-weight:700;font-size:13px}
.name{color:var(--text2);font-size:12px;margin-top:2px}
.mkt-badge{display:inline-block;font-size:10px;padding:1px 5px;border-radius:3px;font-weight:600;margin-left:6px}
.mkt-US{background:rgba(31,111,235,.2);color:#388bfd}
.mkt-HK{background:rgba(240,180,41,.15);color:#f0b429}
.mkt-A{background:rgba(0,181,120,.15);color:#00b578}
.mkt-FUND{background:rgba(139,148,158,.15);color:#8b949e}
.price-cell{font-size:14px;font-weight:600;font-variant-numeric:tabular-nums}
.change-cell{font-size:12px;font-variant-numeric:tabular-nums}
.up{color:var(--green)}
.down{color:var(--red)}
.neutral{color:var(--text2)}
.tag{display:inline-flex;align-items:center;padding:2px 8px;border-radius:4px;font-size:11px;font-weight:600}
.tag-up{background:rgba(0,181,120,.15);color:var(--green)}
.tag-down{background:rgba(245,64,64,.15);color:var(--red)}
.tag-neutral{background:var(--bg3);color:var(--text2)}

/* ---- Buttons ---- */
.btn{display:inline-flex;align-items:center;gap:6px;padding:7px 14px;border-radius:6px;border:none;cursor:pointer;font-size:13px;font-weight:500;transition:all .2s}
.btn-primary{background:var(--blue);color:#fff}
.btn-primary:hover{background:#1a7fd4}
.btn-success{background:var(--green);color:#fff}
.btn-success:hover{background:#00a06a}
.btn-danger{background:transparent;border:1px solid var(--border2);color:var(--red)}
.btn-danger:hover{background:rgba(245,64,64,.1)}
.btn-ghost{background:transparent;border:1px solid var(--border2);color:var(--text2)}
.btn-ghost:hover{border-color:var(--text2);color:var(--text1)}
.btn-sm{padding:4px 10px;font-size:12px}
.btn-icon{padding:6px;border-radius:5px;background:transparent;border:1px solid var(--border2);cursor:pointer;color:var(--text2);display:inline-flex;align-items:center;transition:all .2s}
.btn-icon:hover{border-color:var(--text2);color:var(--text1)}

/* ---- Modal ---- */
.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.4);z-index:500;display:flex;align-items:center;justify-content:center;backdrop-filter:blur(4px);overflow-y:auto;-webkit-overflow-scrolling:touch}
.modal{background:#ffffff;border:1px solid var(--border);border-radius:12px;width:460px;max-width:95vw;max-height:90vh;overflow-y:auto;box-shadow:0 20px 60px rgba(0,0,0,.15)}
.modal-header{padding:20px 24px 0;display:flex;align-items:center;justify-content:space-between}
.modal-title{font-size:16px;font-weight:600}
.modal-close{background:none;border:none;color:var(--text2);cursor:pointer;padding:4px;border-radius:4px;display:flex;align-items:center;transition:color .2s}
.modal-close:hover{color:var(--text1)}
.modal-body{padding:20px 24px 24px}
.form-group{margin-bottom:16px}
.form-label{display:block;font-size:12px;color:var(--text2);margin-bottom:6px;font-weight:500}
.form-input{width:100%;background:#fafbfc;border:1px solid var(--border);border-radius:6px;padding:9px 12px;color:var(--text1);font-size:13px;outline:none;transition:all .2s}
.form-input:focus{border-color:var(--blue);background:#fff;box-shadow:0 0 0 3px rgba(22,119,255,.1)}
.form-input::placeholder{color:var(--text3)}
.form-select{width:100%;background:#fafbfc;border:1px solid var(--border);border-radius:6px;padding:9px 12px;color:var(--text1);font-size:13px;outline:none;cursor:pointer;appearance:none}
.form-select:focus{border-color:var(--blue)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.modal-footer{display:flex;gap:10px;justify-content:flex-end;padding-top:8px}

/* ---- Login ---- */
.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#f0f4ff 0%,#e8f0fe 50%,#f5f6f8 100%)}
.login-card{background:#ffffff;border:1px solid var(--border);border-radius:16px;width:380px;padding:40px;box-shadow:0 8px 40px rgba(22,119,255,.1)}
.login-logo{text-align:center;margin-bottom:32px}
.login-logo-icon{width:56px;height:56px;background:var(--yellow);border-radius:14px;display:flex;align-items:center;justify-content:center;margin:0 auto 12px}
.login-logo-title{font-size:22px;font-weight:700}
.login-logo-sub{font-size:13px;color:var(--text3);margin-top:4px}
.login-tabs{display:flex;border-bottom:1px solid var(--border);margin-bottom:24px}
.login-tab{flex:1;padding:10px;text-align:center;cursor:pointer;font-size:14px;color:var(--text2);border-bottom:2px solid transparent;margin-bottom:-1px;transition:all .2s}
.login-tab.active{color:var(--blue2);border-bottom-color:var(--blue2);font-weight:500}
.login-panel{display:none}
.login-panel.active{display:block}
.login-btn{width:100%;padding:11px;background:var(--blue);color:#fff;border:none;border-radius:8px;font-size:14px;font-weight:600;cursor:pointer;transition:background .2s;margin-top:8px}
.login-btn:hover{background:#1a7fd4}
.login-error{color:var(--red);font-size:12px;margin-top:8px;text-align:center;min-height:18px}

/* ---- Tabs ---- */
.tabs{display:flex;border-bottom:1px solid var(--border);margin-bottom:16px}
.tab{padding:8px 16px;cursor:pointer;font-size:13px;color:var(--text2);border-bottom:2px solid transparent;margin-bottom:-1px;transition:all .2s}
.tab.active{color:var(--blue2);border-bottom-color:var(--blue2);font-weight:500}

/* ---- Sparkline ---- */
.sparkline{display:inline-block;vertical-align:middle}

/* ---- KOL ---- */
.kol-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.kol-card{background:#ffffff;border:1px solid var(--border);border-radius:var(--radius);padding:18px;cursor:pointer;transition:all .2s;box-shadow:0 1px 3px rgba(0,0,0,.04)}
.kol-card:hover{border-color:var(--blue2);box-shadow:0 4px 16px rgba(22,119,255,.1);transform:translateY(-2px)}
.kol-avatar{width:44px;height:44px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:700;color:#fff;margin-bottom:12px}
.kol-name{font-size:15px;font-weight:600;margin-bottom:4px}
.kol-title{font-size:12px;color:var(--text3);margin-bottom:8px}
.kol-style{display:inline-block;font-size:11px;padding:2px 8px;border-radius:4px;background:rgba(31,111,235,.15);color:var(--blue2);font-weight:500;margin-bottom:10px}
.kol-desc{font-size:12px;color:var(--text2);line-height:1.5;margin-bottom:10px}
.kol-meta{font-size:11px;color:var(--text3)}
.kol-back{display:flex;align-items:center;gap:6px;color:var(--text2);cursor:pointer;font-size:13px;margin-bottom:16px;width:fit-content;padding:6px 10px;border-radius:6px;transition:all .2s}
.kol-back:hover{background:var(--bg3);color:var(--text1)}
.kol-detail-header{display:flex;align-items:center;gap:16px;background:#ffffff;border:1px solid var(--border);border-radius:var(--radius);padding:20px;margin-bottom:20px;box-shadow:0 1px 3px rgba(0,0,0,.04)}
.kol-detail-avatar{width:56px;height:56px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:700;color:#fff;flex-shrink:0}
.kol-detail-name{font-size:18px;font-weight:700;margin-bottom:4px}
.kol-detail-title{font-size:13px;color:var(--text3);margin-bottom:8px}
.kol-detail-desc{font-size:13px;color:var(--text2);line-height:1.6}
.kol-detail-meta{font-size:12px;color:var(--text3);margin-top:8px}

/* ---- Chart ---- */
.chart-container{background:#ffffff;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;box-shadow:0 1px 3px rgba(0,0,0,.04)}
.chart-header{padding:16px 20px;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.chart-symbol-input{background:#fafbfc;border:1px solid var(--border);border-radius:6px;padding:7px 12px;color:var(--text1);font-size:13px;outline:none;width:160px}
.chart-symbol-input:focus{border-color:var(--blue)}
.chart-period-btns{display:flex;gap:4px}
.chart-period-btn{padding:5px 12px;border-radius:5px;border:1px solid var(--border);background:transparent;color:var(--text2);font-size:12px;cursor:pointer;transition:all .2s}
.chart-period-btn.active{background:var(--blue);border-color:var(--blue);color:#fff}
.chart-info{display:flex;align-items:center;gap:16px;font-size:13px;margin-left:auto}
.chart-price{font-size:20px;font-weight:700;font-variant-numeric:tabular-nums}
.chart-change{font-size:13px;font-variant-numeric:tabular-nums}
#chart-div{height:420px}
.chart-crosshair-info{position:absolute;top:10px;left:10px;background:rgba(255,255,255,.95);border:1px solid var(--border);border-radius:6px;padding:8px 12px;font-size:12px;pointer-events:none;display:none;z-index:10;box-shadow:0 4px 12px rgba(0,0,0,.1);color:var(--text1)}
.chart-crosshair-info.show{display:block}

/* ---- Alert ---- */
.alert-badge{display:inline-flex;align-items:center;gap:4px;padding:3px 8px;border-radius:4px;font-size:11px;font-weight:600}
.alert-active{background:rgba(31,111,235,.15);color:var(--blue2)}
.alert-triggered{background:rgba(0,181,120,.15);color:var(--green)}

/* ---- Empty ---- */
.empty{text-align:center;padding:60px 20px;color:var(--text3)}
.empty svg{margin-bottom:12px;opacity:.4}
.empty p{font-size:14px;margin-bottom:16px}

/* ---- Toast ---- */
.toast{position:fixed;top:20px;right:20px;background:#ffffff;border:1px solid var(--border);border-radius:8px;padding:12px 18px;font-size:13px;z-index:1000;box-shadow:0 8px 32px rgba(0,0,0,.12);animation:slideIn .3s ease;max-width:320px}
.toast.success{border-left:3px solid var(--green)}
.toast.error{border-left:3px solid var(--red)}
.toast.info{border-left:3px solid var(--blue2)}
@keyframes slideIn{from{transform:translateX(100%);opacity:0}to{transform:translateX(0);opacity:1}}

/* ---- Scrollbar ---- */
::-webkit-scrollbar{width:6px;height:6px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:var(--border2);border-radius:3px}
::-webkit-scrollbar-thumb:hover{background:var(--text3)}

/* ---- Bottom Tab Bar (mobile) ---- */
.bottom-tab-bar{display:none;position:fixed;bottom:0;left:0;right:0;height:56px;background:#ffffff;border-top:1px solid var(--border);z-index:200;flex-direction:row;align-items:stretch;box-shadow:0 -2px 12px rgba(0,0,0,.06)}
.tab-item{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;cursor:pointer;color:var(--text3);transition:color .15s;font-size:10px;font-weight:500;padding:4px 0}
.tab-item:active{background:var(--bg3)}
.tab-item.active{color:var(--blue)}
.tab-item svg{opacity:.7}
.tab-item.active svg{opacity:1}
.tab-more-item{display:flex;align-items:center;gap:12px;padding:14px 20px;cursor:pointer;color:var(--text2);font-size:14px;font-weight:500;border-bottom:1px solid var(--border);transition:background .15s}
.tab-more-item:last-child{border-bottom:none}
.tab-more-item:active{background:var(--bg3)}
.tab-more-item svg{opacity:.8}
/* ---- Responsive ---- */
@media(max-width:900px){
  .sidebar{width:56px}
  .nav-item span{display:none}
  .nav-section{display:none}
  .sidebar-user-info{display:none}
  .cards-row-4{grid-template-columns:repeat(2,1fr)}
  .kol-grid{grid-template-columns:repeat(2,1fr)}
  .header-search{max-width:200px}
}
@media(max-width:600px){
  body{overflow:auto}
  #app{height:auto;min-height:100vh}
  .main-layout{flex-direction:column;overflow:visible}
  .sidebar{display:none}
  .bottom-tab-bar{display:flex}
  .content{padding:16px 12px 80px;overflow:visible}
  .cards-row-4,.cards-row-3,.cards-row-2{grid-template-columns:1fr}
  .kol-grid{grid-template-columns:1fr}
  .header{padding:0 10px;gap:8px}
  .header-logo span{display:none}
  .header-search{max-width:none;flex:1;min-width:0}
  .header-user-name{display:none}
  .btn-logout{padding:5px 8px;font-size:11px}
  .btn-refresh{padding:5px 6px;font-size:11px}
  .btn-refresh span{display:none}
  .btn-login-header{padding:5px 10px;font-size:12px;min-height:32px;min-width:44px}
  .btn-register-header{padding:5px 10px;font-size:12px;min-height:32px;min-width:44px}
  .page-title{font-size:16px;margin-bottom:12px;flex-wrap:wrap;gap:6px}
  .card{padding:12px 14px}
  .card-value{font-size:18px}
  .holding-row,.watchlist-row,.alert-row,.market-row{padding:10px 12px}
  .modal-overlay{align-items:flex-end;padding:0;overflow:visible}
  .modal{border-radius:16px 16px 0 0;max-height:92vh;width:100%;margin:0}
  .chart-container{height:280px}
  #chart-div{height:260px}
  .kol-card{padding:14px}
  .overview-section{gap:12px}
  .delay-badge{font-size:10px;padding:2px 6px}
  table{font-size:12px}
  thead th{padding:8px 10px;font-size:11px}
  tbody td{padding:8px 10px;font-size:12px}
  .form-row{grid-template-columns:1fr}
  .modal-footer{flex-direction:column}
  .modal-footer .btn{width:100%;justify-content:center}
  .tab-item{min-height:44px}
  .bottom-tab-bar{height:60px;padding-bottom:env(safe-area-inset-bottom,0px)}
  .content{padding-bottom:calc(80px + env(safe-area-inset-bottom,0px))}
}