/* Petrolimex Aviation – Statistics Agent
   Ngôn ngữ thiết kế: phẳng, viền mảnh, bo góc nhỏ, mật độ dữ liệu cao; navy #030462 là màu thương hiệu duy nhất,
   cam #E35B1F chỉ để đánh dấu (mục đang chọn, chuỗi số liệu thứ hai). Không gradient, không đổ bóng mềm, không viên thuốc. */
:root{
  --bg:#f4f5f7;--surface:#fff;--ink:#1a1d29;--muted:#5f6577;--line:#d9dce5;--line-2:#e8eaf0;
  --brand:#030462;--brand-ink:#fff;--link:#1b1d7a;--head:#f0f1f6;
  --accent:#1a7f4b;--orange:#e35b1f;--warn:#8a5300;--warn-bg:#fff6e0;--danger:#b3261e;--danger-bg:#fdeceb;--hover:#f0f2f7;
  --series-1:#8b90a8;--series-2:#e35b1f;--series-3:#030462;
  --sb-w:248px;--sb-mini:60px;--tb-h:60px;--r:3px;
  --font:"Segoe UI Variable Text","Segoe UI",system-ui,-apple-system,Roboto,"Helvetica Neue",Arial,sans-serif;
}
@media (prefers-color-scheme:dark){:root{
  --bg:#0f1119;--surface:#171a26;--ink:#e6e8f0;--muted:#9aa0b4;--line:#2b3044;--line-2:#222638;
  --brand:#8f95f0;--brand-ink:#0b0c26;--link:#a9aef5;--head:#1d2132;
  --accent:#4cc38a;--orange:#ff7a3d;--warn:#f5a623;--warn-bg:#352a12;--danger:#f97066;--danger-bg:#3a1b19;--hover:#1d2132;
  --series-1:#7d839c;--series-2:#ff7a3d;--series-3:#a9aef5;
}}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:14px/1.45 var(--font)}
a{color:var(--link)}
h1{font-size:20px;font-weight:600;margin:0 0 2px;color:var(--ink)}
h2{font-weight:600}
.sub{color:var(--muted);margin:0 0 14px;font-size:13px}
[hidden]{display:none !important}
:focus-visible{outline:2px solid var(--brand);outline-offset:1px}
@media (prefers-color-scheme:dark){:focus-visible{outline-color:var(--link)}}

/* ---------- nút, ô nhập ---------- */
button,.btn{font:inherit;font-size:13px;border:1px solid var(--line);background:var(--surface);color:var(--ink);padding:5px 12px;border-radius:var(--r);cursor:pointer;text-decoration:none;display:inline-block;line-height:1.4}
button:hover,.btn:hover{background:var(--hover);border-color:#b9bdcc}
.primary{background:var(--brand);color:var(--brand-ink);border-color:var(--brand);font-weight:600}
.primary:hover{background:var(--brand);border-color:var(--brand);filter:brightness(1.18)}
.danger{color:var(--danger)}
input,select,textarea{font:inherit;font-size:13px;padding:5px 8px;border:1px solid var(--line);border-radius:var(--r);background:var(--surface);color:var(--ink)}
input:focus,select:focus{outline:2px solid var(--brand);outline-offset:-1px;border-color:var(--brand)}
input[readonly]{opacity:.6;cursor:not-allowed}
input.bad{border-color:var(--danger);outline-color:var(--danger)}
.hint{display:block;font-size:12px;color:var(--muted);margin-top:3px}
.hint.bad{color:var(--danger)}
small.k{color:var(--muted)}
.badge{display:inline-block;padding:0 6px;border:1px solid var(--warn);border-radius:var(--r);color:var(--warn);font-size:12px}
.msg{padding:8px 12px;border-radius:var(--r);margin:8px 0;border:1px solid transparent}
.msg.err{background:var(--warn-bg);color:var(--danger);border-color:var(--danger)}
.msg.ok{background:#e7f6ee;color:var(--accent);border-color:var(--accent)}
.msg.note{font-size:12px;padding:4px 8px;background:transparent;border:1px solid var(--line)}
.msg.note.ok{color:var(--accent)}
.msg.note.warn{color:var(--warn)}

/* ---------- khung chung ---------- */
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:16px}
.card.ph{border-style:dashed;color:var(--muted)}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:12px}
.stat{font-size:26px;font-weight:600}
.center{min-height:100vh;display:grid;place-items:center;padding:16px}
.perm{display:flex;gap:10px;flex-wrap:wrap}
details>summary{cursor:pointer}
nav.tabs{display:flex;gap:0;flex-wrap:wrap;border-bottom:1px solid var(--line);margin:8px 0 14px}
nav.tabs a{padding:8px 14px;text-decoration:none;color:var(--muted);border-bottom:2px solid transparent;margin-bottom:-1px}
nav.tabs a:hover{color:var(--ink);background:var(--hover)}
nav.tabs a.on{border-color:var(--brand);color:var(--ink);font-weight:600}
@media (prefers-color-scheme:dark){nav.tabs a.on{border-color:var(--link)}}

/* ---------- bộ lọc, bảng ---------- */
.filters{display:flex;gap:8px;flex-wrap:wrap;align-items:end;margin-bottom:12px;padding:10px 12px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r)}
.filters label{display:flex;flex-direction:column;font-size:12px;color:var(--muted);gap:3px}
.totals{display:flex;gap:20px;margin:10px 2px;color:var(--muted);font-size:13px}
.totals b{color:var(--ink);font-variant-numeric:tabular-nums}
.tablewrap{overflow:auto;border:1px solid var(--line);border-radius:var(--r);background:var(--surface);max-height:calc(100vh - 290px)}
table{border-collapse:collapse;width:100%;font-size:13px}
th,td{padding:5px 10px;border-bottom:1px solid var(--line-2);white-space:nowrap;text-align:left}
th{position:sticky;top:0;background:var(--head);font-size:12px;font-weight:600;color:var(--ink);z-index:1;border-bottom:1px solid var(--line)}
td.n,th.n{text-align:right;font-variant-numeric:tabular-nums}
tr:hover td{background:var(--hover)}
tr.warn td{background:var(--warn-bg)}
tr.lech td{background:var(--danger-bg);color:var(--danger)}
td.act{width:1%}
td.act button{padding:1px 8px;font-size:12px}
.pager{display:flex;gap:8px;align-items:center;margin-top:10px}

/* ---------- hộp thoại, form ---------- */
dialog{border:1px solid var(--line);border-radius:var(--r);background:var(--surface);color:var(--ink);padding:20px;width:min(720px,94vw)}
dialog::backdrop{background:rgba(10,12,40,.5)}
dialog.wide{width:min(980px,96vw)}
.form{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:10px}
.form label{display:flex;flex-direction:column;font-size:12px;color:var(--muted);gap:3px}
.form input{width:100%}
.inputgroup{display:flex;gap:6px}
.inputgroup input{flex:1;min-width:0}
.inputgroup .plus{width:36px;font-weight:700;font-size:16px;padding:0}
.plus.ghost{opacity:.4;transition:opacity .12s}
.plus.ghost:hover:not(:disabled),.plus.ghost:focus-visible{opacity:1}
.plus.ghost:disabled{opacity:.18;cursor:not-allowed}
.hint.warnt{color:var(--warn)}

/* ---------- lưới xem trước giống Excel ---------- */
.xl-wrap{overflow:auto;max-height:68vh;margin-top:10px;border:1px solid var(--line);border-radius:var(--r);background:var(--surface)}
table.xl{border-collapse:separate;border-spacing:0;font-size:13px}
table.xl th,table.xl td{border-right:1px solid var(--line-2);border-bottom:1px solid var(--line-2);padding:0;white-space:nowrap}
table.xl thead th{position:sticky;top:0;background:var(--head);z-index:2;padding:3px 6px;font-weight:600;color:var(--ink)}
table.xl thead tr:nth-child(2) th{top:23px;font-weight:500;color:var(--muted);font-size:11px}
table.xl th.cl{text-align:center;font-size:11px;color:var(--muted)}
table.xl .rn{background:var(--head);color:var(--muted);text-align:center;position:sticky;left:0;padding:0 6px;min-width:34px;z-index:1}
table.xl td input{border:0;border-radius:0;background:transparent;padding:4px 6px;margin:0;outline-offset:-2px}
table.xl td.n input{text-align:right}
table.xl td.miss{background:#f9d4d0}
@media (prefers-color-scheme:dark){table.xl td.miss{background:#4a1f1b}}
table.xl tr.bad td{background:color-mix(in srgb,var(--danger) 10%,transparent)}
table.xl tr.warn td{background:var(--warn-bg)}
table.xl tr.skip{opacity:.35}
table.xl td.w{padding:3px 8px;max-width:340px;white-space:normal;color:var(--danger);font-size:12px}
table.xl tr.warn td.w{color:var(--warn)}
table.xl td input[readonly]{opacity:1;cursor:default}
table.xl td input:not([readonly]){background:var(--surface);box-shadow:inset 0 0 0 1px var(--brand)}
table.xl td.act{padding:2px 6px}

/* ---------- khung ứng dụng: sidebar + thanh trên ---------- */
html,body.shell{height:100%}
body.shell{overflow:hidden}
body.shell .app{display:flex;height:100vh}
.sb{width:var(--sb-w);flex:none;background:var(--brand);color:#d5d7f5;display:flex;flex-direction:column;height:100vh;z-index:30}
@media (prefers-color-scheme:dark){.sb{background:#0a0b22;border-right:1px solid var(--line)}}
.sb a{text-decoration:none}
.sb .brand{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;padding:0 12px;height:var(--tb-h);border-bottom:1px solid rgba(255,255,255,.12);overflow:hidden;white-space:nowrap;flex:none}
.sb .brand img{height:22px;width:auto;max-width:100%}
.sb .brand .logo-icon{display:none}
.sb .brand-sub{font-size:10.5px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:#b9bdf0;line-height:1}
.sb-nav{flex:1;overflow-y:auto;padding:4px 8px 12px}
.sb-h{font-size:11px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:#8c92d8;padding:16px 8px 5px;white-space:nowrap}
.sb-a{display:flex;align-items:center;gap:10px;padding:7px 8px;margin:1px 0;border-radius:var(--r);color:#d5d7f5;font-size:13.5px;position:relative;cursor:pointer;list-style:none}
.sb-a>span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.sb-a:hover{background:rgba(255,255,255,.08);color:#fff}
.sb-a.on{background:rgba(255,255,255,.12);color:#fff;font-weight:600}
.sb-a.on::before{content:"";position:absolute;left:-8px;top:6px;bottom:6px;width:3px;background:var(--orange)}
.sb .ic{flex:none;opacity:.85}
.tag{margin-left:auto;font-style:normal;font-size:11px;color:#8c92d8;white-space:nowrap}
.sb-grp summary::-webkit-details-marker{display:none}
.sb-grp .chev{margin-left:auto;display:flex}
.sb-grp[open] .chev{transform:rotate(180deg)}
.sb-s{display:block;margin:1px 0 1px 28px;padding:6px 8px;border-radius:var(--r);color:#c3c6f0;font-size:13px}
.sb-s:hover{background:rgba(255,255,255,.08);color:#fff}
.sb-s.on{color:#fff;font-weight:600;background:rgba(255,255,255,.1)}
.sb-user{display:flex;align-items:center;gap:10px;padding:10px 12px;border-top:1px solid rgba(255,255,255,.12);flex:none}
.sb-user .av{width:30px;height:30px;border-radius:50%;background:rgba(255,255,255,.16);color:#fff;font-weight:600;display:grid;place-items:center;flex:none;font-size:13px}
.sb-user-t{display:flex;flex-direction:column;line-height:1.2;overflow:hidden;white-space:nowrap}
.sb-user-t a{color:#fff;font-weight:600;font-size:13px;overflow:hidden;text-overflow:ellipsis}
.sb-user-t small{color:#8c92d8;font-size:11px}
.mainwrap{flex:1;min-width:0;display:flex;flex-direction:column;height:100vh;overflow:hidden}
.tb{height:var(--tb-h);flex:none;background:var(--surface);border-bottom:1px solid var(--line);display:flex;align-items:center;gap:10px;padding:0 20px}
.tb .grow{flex:1}
.crumb{font-size:13px;color:var(--muted)}
.crumb b{color:var(--ink);font-weight:600}
.crumb i{font-style:normal;margin:0 7px;color:var(--line)}
.tb-user{color:var(--ink);text-decoration:none;font-size:13px}
.tb-out{margin:0}
button.ico{width:34px;height:34px;padding:0;display:grid;place-items:center;border-color:transparent;background:transparent}
button.ico:hover{background:var(--hover);border-color:transparent}
.content{flex:1;min-height:0;overflow:auto}
main{padding:20px 24px 40px;max-width:1600px;margin:0 auto}
.sb-backdrop{display:none}
body.sb-mini .sb{width:var(--sb-mini)}
body.sb-mini .sb .logo-full,body.sb-mini .sb .brand-sub{display:none}
body.sb-mini .sb .brand .logo-icon{display:block;height:34px}
body.sb-mini .sb-a>span,body.sb-mini .sb-a .tag,body.sb-mini .sb-s,body.sb-mini .sb-user-t,body.sb-mini .sb-grp .chev{display:none}
body.sb-mini .sb-h{height:12px;font-size:0;padding:0}
body.sb-mini .sb-a{justify-content:center}
@media(max-width:991px){
  .sb{position:fixed;left:0;top:0;transform:translateX(-100%)}
  body.sb-open .sb{transform:none;box-shadow:4px 0 16px rgba(0,0,0,.3)}
  body.sb-open .sb-backdrop{display:block;position:fixed;inset:0;background:rgba(10,12,40,.5);z-index:25}
  .crumb{display:none}
}
@media(max-width:700px){main{padding:12px}.tablewrap{max-height:none}}

/* thanh cuộn mảnh, chỉ hiện khi rê chuột vào vùng cuộn */
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track,::-webkit-scrollbar-corner{background:transparent}
::-webkit-scrollbar-thumb{background:transparent;border:3px solid transparent;background-clip:padding-box;border-radius:8px}
:hover::-webkit-scrollbar-thumb{background-color:rgba(95,101,119,.5)}
::-webkit-scrollbar-thumb:hover{background-color:rgba(95,101,119,.8)}
.sb-nav:hover::-webkit-scrollbar-thumb{background-color:rgba(255,255,255,.3)}
@supports not selector(::-webkit-scrollbar){*{scrollbar-width:thin;scrollbar-color:rgba(95,101,119,.5) transparent}}

/* ---------- đăng nhập ---------- */
body.bare{background:var(--bg)}
.bare-main{max-width:none;padding:0}
.login{width:min(380px,92vw);padding:0;overflow:hidden}
.login-logo{padding:26px 24px 6px;text-align:center}
.login-logo img{height:32px;width:auto}
.login-logo small{display:block;margin-top:6px;font-size:11px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--ink)}
.login-b{padding:18px 24px 22px}
.login label{display:block;font-size:12px;color:var(--muted)}
.login input{width:100%;margin:4px 0 12px}

/* ---------- panel / Dashboard ---------- */
.page-h{display:flex;justify-content:space-between;align-items:baseline;gap:12px;margin-bottom:14px;flex-wrap:wrap}
.page-h .sub{margin:0}
.panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);margin-bottom:16px}
.panel-h{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:9px 14px;border-bottom:1px solid var(--line);background:var(--head)}
.panel-h h2{margin:0;font-size:13.5px}
.panel-h span{font-size:12px;color:var(--muted)}
.panel-b{padding:14px}
.grid2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-bottom:16px}
.grid2 .panel{margin-bottom:0}
@media(max-width:900px){.grid2{grid-template-columns:1fr}}
.kpi-body{display:grid;grid-template-columns:minmax(120px,.8fr) 1.6fr}
.kpi-main{padding:14px;border-right:1px solid var(--line-2)}
.kpi-main small{display:block;font-size:12px;color:var(--muted)}
.kpi-main b{display:block;margin-top:4px;font-size:30px;line-height:1.1;font-weight:600;font-variant-numeric:tabular-nums;color:var(--ink)}
.kpi-l{margin:0;display:grid}
.kpi-l>div{display:flex;justify-content:space-between;align-items:baseline;padding:9px 14px;border-bottom:1px solid var(--line-2)}
.kpi-l>div:last-child{border-bottom:0}
.kpi-l dt{font-size:13px;color:var(--muted)}
.kpi-l dd{margin:0;font-size:15px;font-weight:600;font-variant-numeric:tabular-nums}
@media(max-width:520px){.kpi-body{grid-template-columns:1fr}.kpi-main{border-right:0;border-bottom:1px solid var(--line-2)}}
.chart{position:relative}
.chart-legend{display:flex;gap:16px;font-size:12px;color:var(--muted);align-items:center}
.chart-legend i,.chart-tip i{display:inline-block;width:14px;height:2px;margin-right:6px;vertical-align:middle}
.chart-svg{width:100%;height:auto;display:block}
.chart-svg .g{stroke:var(--line-2);stroke-width:1}
.chart-svg .ax{fill:var(--muted);font-size:11px;font-family:var(--font)}
.chart-svg .empty{fill:var(--muted);font-size:13px;font-family:var(--font)}
.chart-tip{position:absolute;pointer-events:none;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:7px 10px;font-size:12px;min-width:150px;z-index:5}

/* ===== báo cáo hao hụt (app/rpt) ===== */
.rpt-actions{display:flex;gap:8px;flex-wrap:wrap;margin:0 0 12px}
.rpt-warn ul{margin:4px 0 0 18px;padding:0}
.chk-ok{color:var(--accent);font-weight:700}.chk-bad{color:var(--danger);font-weight:700}.chk-na{color:var(--muted)}