*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --bg:#0f0f11;--bg2:#17171a;--bg3:#1e1e22;--bg4:#26262c;
  --border:rgba(255,255,255,0.07);--border2:rgba(255,255,255,0.12);
  --text:#f0f0f2;--text2:#9090a0;--text3:#5a5a6a;
  --accent:#c8ff00;--accent2:#a8d800;
  --red:#ff4d4d;--orange:#ff9500;--green:#34c759;--blue:#3b82f6;
  --sidebar:220px;--font:'DM Sans',sans-serif;--mono:'DM Mono',monospace;
}
@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@300;400;500;600&family=DM+Mono:wght@400;500&display=swap');
body{font-family:var(--font);background:var(--bg);color:var(--text);min-height:100vh;display:flex;overflow-x:hidden}
@keyframes fadeIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}
.page.active{animation:fadeIn 0.22s ease}

/* SIDEBAR */
#sidebar{width:var(--sidebar);min-height:100vh;background:var(--bg2);border-right:1px solid var(--border);display:flex;flex-direction:column;position:fixed;top:0;left:0;bottom:0;z-index:100;overflow-y:auto}
.sidebar-logo{padding:24px 20px 20px;border-bottom:1px solid var(--border)}
.logo-mark{font-size:15px;font-weight:600;letter-spacing:.12em;color:var(--accent)}
.logo-sub{font-size:11px;color:var(--text3);margin-top:3px;letter-spacing:.04em}
.sidebar-section{padding:18px 0 6px}
.sidebar-section-label{font-size:10px;font-weight:600;letter-spacing:.1em;color:var(--text3);padding:0 20px 8px;text-transform:uppercase}
.nav-item{display:flex;align-items:center;gap:10px;padding:9px 20px;font-size:13px;color:var(--text2);cursor:pointer;border-left:2px solid transparent;transition:all .15s;user-select:none}
.nav-item:hover{color:var(--text);background:rgba(255,255,255,.03)}
.nav-item.active{color:var(--accent);border-left-color:var(--accent);background:rgba(200,255,0,.05)}
.nav-item svg{width:15px;height:15px;flex-shrink:0;opacity:.7}
.nav-item.active svg{opacity:1}
.sidebar-footer{margin-top:auto;padding:16px 20px;border-top:1px solid var(--border);font-size:11px;color:var(--text3)}
.sidebar-footer .brand{color:var(--text2);font-weight:500}

/* MAIN */
#main{margin-left:var(--sidebar);flex:1;min-height:100vh}
.page{display:none;padding:32px 36px}
.page.active{display:block}
.page-header{display:flex;align-items:flex-start;justify-content:space-between;margin-bottom:28px}
.page-title{font-size:22px;font-weight:600}
.page-sub{font-size:13px;color:var(--text3);margin-top:4px}

/* TOPBAR */
.topbar{display:flex;align-items:center;justify-content:flex-end;gap:12px;padding:14px 36px;border-bottom:1px solid var(--border);background:var(--bg);position:sticky;top:0;z-index:50}
.topbar-page-name{font-size:13px;font-weight:500;color:var(--text2);margin-right:auto}
.badge-live{display:flex;align-items:center;gap:6px;background:rgba(52,199,89,.1);border:1px solid rgba(52,199,89,.2);color:var(--green);font-size:11px;padding:4px 10px;border-radius:99px}
.dot-live{width:6px;height:6px;border-radius:50%;background:var(--green);animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.3}}

/* METRIC */
.metric-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(155px,1fr));gap:12px;margin-bottom:8px}
.metric-card{background:var(--bg2);border:1px solid var(--border);border-radius:10px;padding:16px;cursor:pointer;transition:border-color .15s,transform .15s}
.metric-card:hover{border-color:var(--border2);transform:translateY(-1px)}
.metric-card.highlight{border-color:rgba(200,255,0,.3);background:rgba(200,255,0,.04)}
.mc-label{font-size:11px;color:var(--text3);letter-spacing:.04em;text-transform:uppercase;margin-bottom:8px}
.mc-value{font-size:24px;font-weight:600;font-family:var(--mono)}
.mc-delta{font-size:12px;margin-top:5px;display:flex;align-items:center;gap:4px}
.up{color:var(--green)}.down{color:var(--red)}.warn{color:var(--orange)}.neutral{color:var(--text3)}

/* CHART CARD */
.chart-card{background:var(--bg2);border:1px solid var(--border);border-radius:10px;padding:20px;margin-bottom:20px}
.chart-card-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}
.chart-card-title{font-size:13px;font-weight:500}
.chart-card-sub{font-size:11px;color:var(--text3)}

/* SOURCE FOOTER */
.card-src{display:flex;justify-content:flex-end;align-items:center;gap:14px;padding-top:10px;margin-top:12px;border-top:1px solid var(--border);font-size:10px;color:var(--text3);font-family:var(--mono)}
.section-src{text-align:right;font-size:10px;color:var(--text3);font-family:var(--mono);margin-bottom:20px;margin-top:-4px}

/* SOURCE BADGES */
.src{display:inline-flex;align-items:center;font-size:10px;font-family:var(--mono);border-radius:3px;padding:1px 6px;vertical-align:middle;margin-left:5px;white-space:nowrap}
.src-sheets{color:#34c759;background:rgba(52,199,89,.07);border:1px solid rgba(52,199,89,.2)}
.src-ga4{color:#3b82f6;background:rgba(59,130,246,.07);border:1px solid rgba(59,130,246,.2)}
.src-meta{color:#ff9500;background:rgba(255,149,0,.07);border:1px solid rgba(255,149,0,.2)}
.src-mock{color:var(--text3);background:var(--bg3);border:1px solid var(--border)}

/* TABLE */
.data-table{width:100%;border-collapse:collapse;font-size:13px}
.data-table th{text-align:left;padding:10px 14px;font-size:11px;font-weight:600;letter-spacing:.06em;color:var(--text3);text-transform:uppercase;border-bottom:1px solid var(--border)}
.data-table td{padding:11px 14px;border-bottom:1px solid var(--border);color:var(--text2);vertical-align:middle}
.data-table tr:last-child td{border-bottom:none}
.data-table tr:hover td{background:rgba(255,255,255,.02);color:var(--text)}

/* STATUS */
.status{display:inline-block;font-size:11px;padding:3px 8px;border-radius:4px;font-weight:500}
.status-ok{background:rgba(52,199,89,.12);color:var(--green)}
.status-warn{background:rgba(255,149,0,.12);color:var(--orange)}
.status-danger{background:rgba(255,77,77,.12);color:var(--red)}
.status-info{background:rgba(59,130,246,.12);color:var(--blue)}
.status-neutral{background:rgba(144,144,160,.12);color:var(--text3)}
.filter-chip{display:inline-block;padding:3px 10px;border-radius:20px;font-size:11px;font-weight:500;cursor:pointer;border:1px solid var(--border);color:var(--text3);background:transparent;transition:all .15s}
.filter-chip:hover{border-color:var(--border2);color:var(--text1)}
.filter-chip.active{background:var(--accent);color:#000;border-color:var(--accent)}

/* ALERT */
.alert{display:flex;gap:10px;padding:12px 14px;border-radius:8px;margin-bottom:10px;font-size:13px;line-height:1.5}
.alert-danger{background:rgba(255,77,77,.08);border:1px solid rgba(255,77,77,.2);color:#ff8080}
.alert-warn{background:rgba(255,149,0,.08);border:1px solid rgba(255,149,0,.2);color:#ffb340}
.alert-ok{background:rgba(52,199,89,.08);border:1px solid rgba(52,199,89,.2);color:#5dde80}
.alert-icon{font-size:14px;flex-shrink:0;margin-top:1px}

/* LAYOUT */
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-bottom:20px}
.three-col{display:grid;grid-template-columns:1fr 1fr 1fr;gap:16px;margin-bottom:20px}
.layout-2-1{display:grid;grid-template-columns:2fr 1fr;gap:20px;margin-bottom:20px}

/* PROGRESS */
.progress-wrap{margin-bottom:12px}
.progress-header{display:flex;justify-content:space-between;font-size:12px;color:var(--text2);margin-bottom:6px}
.progress-bar{height:6px;background:var(--bg4);border-radius:99px;overflow:hidden}
.progress-fill{height:100%;border-radius:99px;transition:width .6s}
.fill-green{background:var(--green)}.fill-orange{background:var(--orange)}.fill-red{background:var(--red)}.fill-accent{background:var(--accent)}.fill-blue{background:var(--blue)}

/* LEGEND */
.legend{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:12px}
.legend-item{display:flex;align-items:center;gap:6px;font-size:12px;color:var(--text2)}
.legend-dot{width:8px;height:8px;border-radius:2px}

/* SECTION TITLE */
.section-title{font-size:12px;font-weight:600;letter-spacing:.08em;color:var(--text3);text-transform:uppercase;margin:24px 0 12px}

/* RANK LIST */
.rank-list{list-style:none}
.rank-item{display:flex;align-items:center;gap:12px;padding:10px 0;border-bottom:1px solid var(--border)}
.rank-item:last-child{border-bottom:none}
.rank-num{font-size:11px;color:var(--text3);font-family:var(--mono);flex:0 0 18px}
.rank-name{flex:0 0 600px;font-size:13px;color:var(--text2);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.rank-bar-wrap{flex:0 0 200px}
.rank-qty{flex:0 0 60px;font-size:11px;color:var(--text3);font-family:var(--mono);text-align:right}
.rank-val{flex:1;font-size:13px;font-family:var(--mono);font-weight:500;text-align:right}
.rank-bar-wrap{width:80px}
.rank-bar{height:4px;background:var(--accent);border-radius:99px}

/* FUNNEL */
.funnel-step{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.funnel-label-text{font-size:12px;color:var(--text3);min-width:90px}
.funnel-track{flex:1;height:20px;background:var(--bg4);border-radius:4px;overflow:hidden}
.funnel-fill{height:100%;display:flex;align-items:center;padding-left:8px;font-size:11px;font-family:var(--mono);font-weight:500;transition:width .6s}
.funnel-count{font-size:12px;color:var(--text3);min-width:60px;text-align:right;font-family:var(--mono)}

/* PIPELINE (代購追蹤) */
.pipeline{display:flex;gap:8px;overflow-x:auto;padding-bottom:8px;margin-bottom:20px}
.stage-box{flex:1;min-width:110px;background:var(--bg2);border:1px solid var(--border);border-radius:10px;padding:16px;text-align:center;transition:border-color .15s}
.stage-box.warn{border-color:rgba(255,149,0,.3);background:rgba(255,149,0,.04)}
.stage-box.danger{border-color:rgba(255,77,77,.3);background:rgba(255,77,77,.04)}
.stage-num{font-size:30px;font-weight:600;font-family:var(--mono)}
.stage-lbl{font-size:11px;color:var(--text3);margin-top:6px;line-height:1.4}

/* EXCHANGE RATE CALC */
.calc-section{background:var(--bg3);border:1px solid var(--border2);border-radius:10px;padding:20px;margin-bottom:20px}
.calc-title{font-size:13px;font-weight:500;margin-bottom:16px}
.calc-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:12px;margin-bottom:12px}
.calc-row{display:flex;flex-direction:column;gap:5px}
.calc-lbl{font-size:11px;color:var(--text3)}
.calc-inp{background:var(--bg4);border:1px solid var(--border2);border-radius:6px;padding:9px 12px;color:var(--text);font-family:var(--mono);font-size:14px;width:100%;outline:none}
.calc-inp:focus{border-color:var(--accent)}
.calc-out{background:rgba(200,255,0,.05);border:1px solid rgba(200,255,0,.15);border-radius:6px;padding:12px}
.calc-out-lbl{font-size:10px;color:var(--text3);margin-bottom:3px}
.calc-out-val{font-size:18px;font-weight:600;font-family:var(--mono);color:var(--accent)}

/* HEATMAP */
.heatmap{display:grid;grid-template-columns:repeat(12,1fr);gap:4px;margin-top:8px}
.hm-cell{height:44px;border-radius:5px;display:flex;flex-direction:column;align-items:center;justify-content:center;font-size:10px;font-family:var(--mono);gap:2px}
.hm-cell span:first-child{color:var(--text3)}

/* RESPONSIVE */
@media(max-width:900px){
  :root{--sidebar:60px}
  .nav-item span,.sidebar-section-label,.sidebar-footer .brand,.logo-sub{display:none}
  .sidebar-logo{padding:18px 12px;text-align:center}
  .nav-item{justify-content:center;padding:12px}
  .two-col,.three-col,.layout-2-1{grid-template-columns:1fr}
  .pipeline{flex-wrap:wrap}
  .page{padding:20px 16px}
  .range-modal{width:96vw!important}
  .range-body{flex-direction:column}
  .range-left{width:100%;border-right:none;border-bottom:1px solid var(--border);max-height:180px;overflow-y:auto}
  .cal-wrap{flex-wrap:wrap}
}
/* ── Date Range Filter ───────────────────────────────────────────────── */
.range-btn{display:flex;align-items:center;gap:6px;padding:7px 13px;border-radius:8px;border:1px solid var(--border);background:var(--surface2);color:var(--text2);font-size:12px;cursor:pointer;white-space:nowrap;transition:all .15s;flex-shrink:0}
.range-btn:hover{border-color:var(--accent);color:var(--text1)}
.range-btn svg{width:13px;height:13px;flex-shrink:0}
.range-overlay{position:fixed;inset:0;z-index:900;background:rgba(0,0,0,.75);backdrop-filter:blur(3px)}
.range-modal{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);z-index:901;background:#1c1c2e;border:1px solid rgba(255,255,255,.14);border-radius:12px;display:flex;flex-direction:column;width:780px;max-height:90vh;overflow:hidden;box-shadow:0 28px 70px rgba(0,0,0,.8)}
.range-modal-header{font-size:14px;font-weight:600;color:var(--text1);padding:15px 18px 13px;border-bottom:1px solid var(--border);flex-shrink:0}
.range-body{display:flex;flex:1;overflow:hidden}
.range-left{width:180px;border-right:1px solid var(--border);padding:8px 0;flex-shrink:0;overflow-y:auto}
.range-section-label{font-size:10px;font-weight:600;letter-spacing:.1em;color:var(--text3);padding:10px 14px 4px;text-transform:uppercase}
.range-opt{padding:7px 14px;font-size:13px;cursor:pointer;color:var(--text2);border-left:2px solid transparent;transition:all .1s}
.range-opt:hover{background:var(--surface3);color:var(--text1)}
.range-opt.active{color:var(--accent);border-left-color:var(--accent);background:rgba(200,255,0,.05)}
.range-compare-header{display:flex;align-items:center;justify-content:space-between;padding:10px 14px 4px;margin-top:2px;border-top:1px solid var(--border)}
.range-toggle{position:relative;display:inline-flex;width:30px;height:17px;flex-shrink:0}
.range-toggle input{opacity:0;width:0;height:0;position:absolute}
.range-toggle-slider{position:absolute;cursor:pointer;inset:0;background:var(--bg4);border-radius:99px;transition:.2s}
.range-toggle-slider:before{content:'';position:absolute;width:11px;height:11px;left:3px;top:3px;background:var(--text3);border-radius:50%;transition:.2s}
.range-toggle input:checked+.range-toggle-slider{background:var(--accent)}
.range-toggle input:checked+.range-toggle-slider:before{transform:translateX(13px);background:#000}
.range-right{flex:1;padding:14px 16px;display:flex;flex-direction:column;gap:12px;overflow-y:auto;min-width:0}
.range-dates-row{display:flex;gap:10px}
.range-date-box{flex:1;background:var(--surface);border:1px solid var(--border);border-radius:8px;padding:9px 12px;min-width:0;min-height:60px}
.rdb-label{font-size:10px;color:var(--text3);margin-bottom:5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.rdb-dates{font-size:12px;color:var(--text1);font-family:var(--mono);display:flex;align-items:center;gap:4px;white-space:nowrap;overflow:hidden}
.rdb-dates svg{width:13px;height:13px;color:var(--text3);flex-shrink:0;margin-left:auto}
.cal-wrap{display:flex;gap:14px;min-height:220px}
.cal-month{flex:1;min-width:0}
.cal-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}
.cal-title{font-size:12px;font-weight:600;color:var(--text1);text-align:center;flex:1}
.cal-nav-btn{width:24px;height:24px;flex-shrink:0;background:transparent;border:1px solid var(--border);border-radius:5px;cursor:pointer;color:var(--text3);font-size:14px;display:flex;align-items:center;justify-content:center;transition:all .1s;line-height:1}
.cal-nav-btn:hover{border-color:var(--border2);color:var(--text1)}
.cal-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:1px}
.cal-dow{font-size:10px;color:var(--text3);text-align:center;padding:3px 0}
.cal-day{font-size:11px;text-align:center;padding:5px 1px;cursor:pointer;border-radius:4px;color:var(--text2);transition:background .08s;user-select:none}
.cal-day:hover:not(.other-month){background:rgba(255,255,255,.08);color:var(--text1)}
.cal-day.in-range{background:rgba(59,130,246,.18);border-radius:0;color:var(--text1)}
.cal-day.range-start{background:#3b82f6!important;color:#fff!important;font-weight:600;border-radius:4px 0 0 4px!important}
.cal-day.range-end{background:#3b82f6!important;color:#fff!important;font-weight:600;border-radius:0 4px 4px 0!important}
.cal-day.range-start.range-end{border-radius:4px!important}
.cal-day.today{outline:1px solid var(--border2);outline-offset:-1px}
.cal-day.other-month{color:var(--text3);opacity:.25;pointer-events:none}
.range-footer{display:flex;align-items:center;justify-content:space-between;padding-top:10px;border-top:1px solid var(--border);flex-shrink:0}
.time-unit-row{display:flex;align-items:center;gap:10px}
.time-unit-label{font-size:12px;color:var(--text3)}
.time-unit-sel{background:var(--surface);border:1px solid var(--border);border-radius:6px;padding:5px 10px;color:var(--text1);font-size:12px;outline:none;cursor:pointer}
.range-confirm-btn{padding:8px 24px;background:var(--accent);color:#000;border:none;border-radius:7px;font-size:13px;font-weight:600;cursor:pointer;transition:opacity .15s}
.range-confirm-btn:hover{opacity:.85}
.range-hint{font-size:11px;color:var(--text3)}
.cal-target-tabs{display:flex;gap:6px;margin-bottom:4px}
.cal-tab{padding:4px 14px;border-radius:6px;border:1px solid var(--border);background:transparent;color:var(--text3);font-size:12px;cursor:pointer;transition:all .1s}
.cal-tab.active{background:rgba(59,130,246,.15);border-color:#3b82f6;color:#93c5fd}
/* ── INFO BUTTON & TOOLTIP ───────────────────────────────────────────── */
.info-btn{display:inline-flex;align-items:center;justify-content:center;width:16px;height:16px;border-radius:50%;border:1px solid rgba(200,255,0,.45);background:transparent;color:rgba(200,255,0,.8);font-size:10px;font-weight:700;cursor:pointer;flex-shrink:0;margin-left:6px;font-family:var(--mono);line-height:1;vertical-align:middle;padding:0;outline:none}
.tip-pop{position:fixed;z-index:1001;background:#18182a;border:1px solid rgba(255,255,255,.13);border-radius:10px;padding:13px 15px;width:280px;box-shadow:0 12px 40px rgba(0,0,0,.8);font-size:12px;line-height:1.65;pointer-events:none;transition:opacity .1s}
.tip-pop-title{font-size:12px;font-weight:600;color:var(--text);margin-bottom:7px;padding-bottom:6px;border-bottom:1px solid rgba(255,255,255,.07)}
.tip-pop-body{color:var(--text2)}
.chart-card-header.has-info{justify-content:flex-start;gap:6px}
.badge-margin{font-size:10px;color:var(--text3);margin-left:6px;font-family:var(--mono)}
.badge-margin.good{color:#c8ff00}
.badge-margin.warn{color:#ff9500}
.badge-margin.bad{color:#ff4d4d}