/* Thống kê giao dịch — dashboard (dark) */
:root{
    --bg:#0f172a; --bg2:#1e293b; --card:#1e293b; --line:#334155;
    --txt:#e2e8f0; --muted:#94a3b8; --accent:#38bdf8;
    --green:#22c55e; --red:#ef4444; --amber:#f59e0b; --violet:#a78bfa;
}
*{box-sizing:border-box}
body{margin:0;font-family:system-ui,"Segoe UI",Roboto,Arial,sans-serif;
    background:var(--bg);color:var(--txt);font-size:14px;line-height:1.45}
a{color:var(--accent);text-decoration:none}
code{background:#0b1220;padding:2px 6px;border-radius:5px;font-size:.85em}
.muted{color:var(--muted)}

/* Topbar + nav */
.topbar{display:flex;align-items:center;gap:24px;padding:0 24px;
    background:linear-gradient(90deg,#0b1220,#1e293b);border-bottom:1px solid var(--line);
    position:sticky;top:0;z-index:10}
.brand{font-size:17px;font-weight:700;white-space:nowrap}
.mainnav{display:flex;gap:4px;flex:1}
.mainnav a{padding:16px 16px;color:var(--muted);border-bottom:2px solid transparent}
.mainnav a:hover{color:var(--txt)}
.mainnav a.active{color:var(--accent);border-bottom-color:var(--accent)}
.userbox{display:flex;align-items:center;gap:12px;color:var(--muted);font-size:13px}
.userbox .lastsync{color:var(--muted);font-size:12px;background:#0b1220;border:1px solid var(--line);padding:5px 10px;border-radius:8px}
.userbox .logout{color:var(--muted);border:1px solid var(--line);padding:5px 12px;border-radius:8px}
.userbox .logout:hover{border-color:var(--red);color:#f87171}

.wrap{max-width:1320px;margin:0 auto;padding:20px}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px;margin-bottom:18px}
h2{margin:0 0 14px;font-size:16px}
h2 small{color:var(--muted);font-weight:400;font-size:12px;margin-left:6px}

/* Login */
.login-body{display:flex;align-items:center;justify-content:center;min-height:100vh}
.login-card{background:var(--card);border:1px solid var(--line);border-radius:16px;
    padding:32px;width:360px;text-align:center;box-shadow:0 20px 60px rgba(0,0,0,.4)}
.login-logo{font-size:40px}
.login-card h1{font-size:20px;margin:8px 0 2px}
.login-card label{display:block;text-align:left;margin:14px 0 0;font-size:13px;color:var(--muted)}
.login-card input{width:100%;margin-top:5px;background:#0b1220;border:1px solid var(--line);
    color:var(--txt);border-radius:9px;padding:11px 12px;font-size:15px}
.btn.block{width:100%;margin-top:20px;padding:12px}

/* Filters */
.filters .f-row{display:flex;gap:12px;flex-wrap:wrap;align-items:flex-end}
.filters label{display:flex;flex-direction:column;gap:4px;font-size:12px;color:var(--muted)}
.filters .f-grow{flex:1;min-width:180px}
.filters input,.filters select{background:#0b1220;border:1px solid var(--line);
    color:var(--txt);border-radius:8px;padding:8px 10px;font-size:14px;min-width:130px}
.btn{background:var(--accent);color:#04222e;border:none;border-radius:8px;
    padding:9px 16px;font-weight:600;cursor:pointer;font-size:14px;display:inline-block}
.btn:hover{filter:brightness(1.08)}
.btn.ghost{background:transparent;color:var(--muted);border:1px solid var(--line)}
.btn[disabled]{opacity:.6;cursor:default}
.quick{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin-left:8px}
.chip{background:#0b1220;border:1px solid var(--line);border-radius:20px;padding:5px 14px;font-size:13px;color:var(--txt)}
.chip:hover{border-color:var(--accent)}
.total{margin-left:auto}
.check{display:flex;align-items:center;gap:8px;margin:6px 0 14px;color:var(--muted)}

/* KPI */
.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:18px}
.cards.mini{grid-template-columns:repeat(auto-fit,minmax(150px,1fr))}
.kpi{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px}
.kpi-label{color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.04em}
.kpi-val{font-size:26px;font-weight:800;margin-top:6px}
.kpi-val.sm{font-size:19px}
.kpi-sub{color:var(--muted);font-size:12px;margin-top:4px}
.kpi.ok{border-color:rgba(34,197,94,.5)} .kpi.ok .kpi-val{color:var(--green)}
.kpi.bad{border-color:rgba(239,68,68,.4)} .kpi.bad .kpi-val{color:var(--red)}
.kpi.profit{border-color:rgba(167,139,250,.5)} .kpi.profit .kpi-val{color:var(--violet)}

/* Chart row: biểu đồ đường (rộng) + donut */
.chart-row{display:grid;grid-template-columns:1.7fr 1fr;gap:18px;margin-bottom:18px}
.chart-row .card{margin-bottom:0}

/* Chart (CSS bars cũ - vẫn dùng nếu cần) */
.chart{display:flex;align-items:flex-end;gap:6px;height:200px;overflow-x:auto;padding-top:10px}
.bar-wrap{display:flex;flex-direction:column;align-items:center;gap:6px;min-width:30px;flex:1}
.bar{width:62%;min-height:2px;background:linear-gradient(180deg,var(--accent),#0ea5e9);border-radius:4px 4px 0 0}
.bar-wrap:hover .bar{opacity:.7}
.bar-x{font-size:11px;color:var(--muted)}

/* Tables */
.grid2{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
table{width:100%;border-collapse:collapse}
th,td{padding:8px 10px;text-align:left;border-bottom:1px solid var(--line)}
th{color:var(--muted);font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.03em}
td.num,th.num{text-align:right;font-variant-numeric:tabular-nums}
td.strong{font-weight:700}
.mono{font-family:Consolas,ui-monospace,monospace;font-size:12px;color:var(--muted)}
.zebra tbody tr:nth-child(odd){background:rgba(255,255,255,.02)}
.zebra tbody tr:hover{background:rgba(56,189,248,.06)}
.table-scroll{overflow-x:auto}
.empty{color:var(--muted);text-align:center;padding:20px}
.sort{color:inherit}.sort:hover{color:var(--accent)}
.tag{display:inline-block;padding:2px 9px;border-radius:20px;font-size:12px;font-weight:600}
.tag.g{background:rgba(34,197,94,.15);color:#4ade80}
.tag.r{background:rgba(239,68,68,.15);color:#f87171}

/* Sub-tabs */
.subtabs{display:flex;gap:6px;margin-bottom:16px}
.subtabs a{padding:9px 18px;border:1px solid var(--line);border-radius:10px;color:var(--muted);font-size:14px}
.subtabs a.active{background:var(--accent);color:#04222e;border-color:var(--accent);font-weight:600}

/* Pager */
.pager{display:flex;gap:6px;justify-content:center;margin-top:16px;flex-wrap:wrap}
.pager a{min-width:36px;text-align:center;padding:7px 10px;border:1px solid var(--line);
    border-radius:8px;color:var(--txt)}
.pager a.active{background:var(--accent);color:#04222e;border-color:var(--accent);font-weight:700}
.pager a:hover{border-color:var(--accent)}
.pager .dots{padding:7px 4px;color:var(--muted)}

/* Notices / log */
.notice{padding:12px 16px;border-radius:10px;margin:12px 0}
.notice.ok{background:rgba(34,197,94,.12);border:1px solid rgba(34,197,94,.4)}
.notice.err{background:rgba(239,68,68,.12);border:1px solid rgba(239,68,68,.4)}
.notice.warn{background:rgba(245,158,11,.12);border:1px solid rgba(245,158,11,.4)}
.log{background:#0b1220;border:1px solid var(--line);border-radius:10px;padding:14px;
    max-height:380px;overflow:auto;white-space:pre-wrap;font-size:12px;font-family:Consolas,monospace}
.empty-state{text-align:center;padding:40px}
.empty-state .btn{margin-top:14px}

.foot{color:var(--muted);font-size:12px;text-align:center;padding:14px}

/* flatpickr — chỉnh theme tối khớp dashboard */
.flatpickr-calendar{background:var(--bg2);border:1px solid var(--line);
    box-shadow:0 12px 44px rgba(0,0,0,.55);color:var(--txt)}
.flatpickr-calendar.arrowTop:before,.flatpickr-calendar.arrowTop:after{border-bottom-color:var(--bg2)}
.flatpickr-calendar.arrowBottom:before,.flatpickr-calendar.arrowBottom:after{border-top-color:var(--bg2)}
.flatpickr-months .flatpickr-month,.flatpickr-current-month input.cur-year{color:var(--txt);fill:var(--txt)}
.flatpickr-months .flatpickr-prev-month svg,.flatpickr-months .flatpickr-next-month svg{fill:var(--muted)}
.flatpickr-months .flatpickr-prev-month:hover svg,.flatpickr-months .flatpickr-next-month:hover svg{fill:var(--accent)}
.flatpickr-monthDropdown-months{background:var(--bg2);color:var(--txt)}
.flatpickr-weekday{color:var(--muted)}
.flatpickr-day{color:var(--txt)}
.flatpickr-day:hover,.flatpickr-day:focus{background:#0b1220;border-color:#0b1220}
.flatpickr-day.today{border-color:var(--accent)}
.flatpickr-day.selected,.flatpickr-day.selected:hover,
.flatpickr-day.startRange,.flatpickr-day.endRange{background:var(--accent);border-color:var(--accent);color:#04222e}
.flatpickr-day.prevMonthDay,.flatpickr-day.nextMonthDay,
.flatpickr-day.flatpickr-disabled{color:var(--muted);opacity:.5}
.flatpickr-time{border-top:1px solid var(--line)}
.flatpickr-time input,.flatpickr-time .flatpickr-time-separator,
.flatpickr-time .flatpickr-am-pm{color:var(--txt)}
.flatpickr-time input:hover,.flatpickr-time input:focus,
.flatpickr-time .flatpickr-am-pm:hover{background:#0b1220}
.numInputWrapper span{border-color:var(--line)}
.numInputWrapper span.arrowUp:after{border-bottom-color:var(--muted)}
.numInputWrapper span.arrowDown:after{border-top-color:var(--muted)}
.numInputWrapper:hover{background:transparent}

@media (max-width:980px){
    .cards,.cards.mini{grid-template-columns:repeat(2,1fr)}
    .grid2,.chart-row{grid-template-columns:1fr}
    .topbar{flex-wrap:wrap;gap:10px}
    .mainnav{order:3;width:100%}
}