:root {
  color-scheme: dark;
  --bg-deep: #0a0e27;
  --bg-base: #0f1535;
  --bg-cao: #151a3a;
  --bg-mat: #1a1f44;
  --bg-mat-hover: #232851;
  --nhan: #f59e0b;
  --nhan-sang: #fbbf24;
  --nhan-mo: #f59e0b1a;
  --tin: #0ea5e9;
  --dat: #10b981;
  --canh: #f59e0b;
  --hong: #ef4444;
  --vien: rgba(255, 255, 255, 0.08);
  --vien-dam: rgba(255, 255, 255, 0.16);
  --chu: #e5e7eb;
  --chu-2: rgba(229, 231, 235, 0.7);
  --chu-3: rgba(229, 231, 235, 0.45);
}
* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; }
body {
  font-family: system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg-deep); color: var(--chu);
  font-size: 14px; letter-spacing: -0.005em; -webkit-font-smoothing: antialiased;
}
a { color: var(--tin); text-decoration: none; }
a:hover { text-decoration: underline; }
button { font: inherit; cursor: pointer; }
input, select, textarea {
  font: inherit; color: var(--chu); background: var(--bg-deep);
  border: 1px solid var(--vien); border-radius: 8px; padding: 8px 10px; width: 100%;
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--nhan); }
textarea { min-height: 72px; resize: vertical; }
label { display: block; font-size: 12px; color: var(--chu-3); margin-bottom: 4px; }

/* Dang nhap */
.vao { min-height: 100%; display: grid; place-items: center; padding: 24px; }
.vao form {
  width: 340px; background: var(--bg-cao); border: 1px solid var(--vien);
  border-radius: 14px; padding: 28px;
}
.vao h1 { font-size: 18px; margin: 0 0 4px; letter-spacing: 0.02em; }
.vao .phu { font-size: 12px; color: var(--chu-3); margin-bottom: 20px; }
.vao .o { margin-bottom: 14px; }

/* Khung */
.khung { display: grid; grid-template-columns: 232px 1fr; height: 100%; }
.ben {
  background: var(--bg-base); border-right: 1px solid var(--vien);
  padding: 16px 12px; display: flex; flex-direction: column; gap: 2px; overflow-y: auto;
}
.hieu { font-size: 13px; font-weight: 600; letter-spacing: 0.04em; padding: 6px 10px 16px; color: var(--nhan); }
.ben a.m {
  display: flex; align-items: center; gap: 9px; padding: 8px 10px; border-radius: 8px;
  color: var(--chu-2); font-size: 13px;
}
.ben a.m:hover { background: var(--bg-mat); color: var(--chu); text-decoration: none; }
.ben a.m.chon { background: var(--nhan-mo); color: var(--nhan-sang); }
.ben a.m .so { margin-left: auto; font-size: 11px; color: var(--chu-3); }
.ben .chia { height: 1px; background: var(--vien); margin: 12px 4px; }
.ben .duoi { margin-top: auto; padding: 10px; font-size: 11px; color: var(--chu-3); line-height: 1.6; }

.than { overflow-y: auto; padding: 22px 26px 60px; }
.dinh { display: flex; align-items: center; gap: 12px; margin-bottom: 18px; }
.dinh h2 { font-size: 17px; margin: 0; }
.dinh .phu { font-size: 12px; color: var(--chu-3); }
.dinh .phai { margin-left: auto; display: flex; gap: 8px; align-items: center; }

.nut {
  background: var(--bg-mat); border: 1px solid var(--vien); color: var(--chu);
  border-radius: 8px; padding: 7px 13px; font-size: 13px;
}
.nut:hover { background: var(--bg-mat-hover); border-color: var(--vien-dam); }
.nut.chinh { background: var(--nhan); border-color: var(--nhan); color: #1a1200; font-weight: 600; }
.nut.chinh:hover { background: var(--nhan-sang); }
.nut.do { color: #fca5a5; }
.nut.do:hover { border-color: var(--hong); }
.nut.nho { padding: 4px 9px; font-size: 12px; }

.the {
  background: var(--bg-cao); border: 1px solid var(--vien); border-radius: 12px; padding: 16px;
}
.luoi { display: grid; gap: 12px; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); }
.the .nhan-nho { font-size: 11px; color: var(--chu-3); text-transform: uppercase; letter-spacing: 0.06em; }
.the .so-to { font-size: 26px; font-weight: 600; margin-top: 6px; }
.the .so-to small { font-size: 12px; color: var(--chu-3); font-weight: 400; }

table { width: 100%; border-collapse: collapse; }
th {
  text-align: left; font-size: 11px; color: var(--chu-3); text-transform: uppercase;
  letter-spacing: 0.06em; font-weight: 500; padding: 8px 10px; border-bottom: 1px solid var(--vien);
  white-space: nowrap;
}
td { padding: 9px 10px; border-bottom: 1px solid var(--vien); vertical-align: top; }
tbody tr:hover { background: var(--bg-cao); }
tbody tr.bam { cursor: pointer; }
.rong { padding: 36px; text-align: center; color: var(--chu-3); font-size: 13px; }

.co {
  display: inline-block; font-size: 11px; padding: 2px 8px; border-radius: 999px;
  border: 1px solid var(--vien-dam); color: var(--chu-2); white-space: nowrap;
}
.co.dat { color: #6ee7b7; border-color: #10b98166; background: #10b9811a; }
.co.canh { color: var(--nhan-sang); border-color: #f59e0b66; background: var(--nhan-mo); }
.co.hong { color: #fca5a5; border-color: #ef444466; background: #ef44441a; }

.loc { display: flex; gap: 8px; margin-bottom: 14px; flex-wrap: wrap; align-items: center; }
.loc input, .loc select { width: auto; min-width: 150px; }

/* Khay truot ben phai */
#khay { position: fixed; inset: 0; pointer-events: none; z-index: 40; }
#khay.mo { pointer-events: auto; }
.nen { position: absolute; inset: 0; background: #00000080; opacity: 0; transition: opacity 0.15s; }
#khay.mo .nen { opacity: 1; }
.tam {
  position: absolute; top: 0; right: 0; height: 100%; width: min(560px, 100%);
  background: var(--bg-base); border-left: 1px solid var(--vien);
  transform: translateX(100%); transition: transform 0.18s ease-out;
  display: flex; flex-direction: column;
}
.tam.rong { width: min(980px, 100%); }
#khay.mo .tam { transform: none; }
.cuon-ngang { overflow-x: auto; }
.bang-truong { min-width: 760px; }
.bang-truong td { padding: 5px 6px; }
.bang-truong input[data-f="ma"], .bang-truong input[data-f="nhan"] { min-width: 130px; }
.bang-truong select[data-f="kieu"] { min-width: 140px; }
.bang-truong input[data-f="chon"] { min-width: 150px; }
.tam .dau {
  padding: 16px 20px; border-bottom: 1px solid var(--vien); display: flex; gap: 10px; align-items: flex-start;
}
.tam .dau h3 { margin: 0; font-size: 16px; }
.tam .dau .phu { font-size: 12px; color: var(--chu-3); margin-top: 3px; }
.tam .ruot { padding: 18px 20px 40px; overflow-y: auto; flex: 1; }
.tam .chan { padding: 14px 20px; border-top: 1px solid var(--vien); display: flex; gap: 8px; }

.doi { display: grid; grid-template-columns: 150px 1fr; gap: 8px 14px; font-size: 13px; }
.doi dt { color: var(--chu-3); }
.doi dd { margin: 0; overflow-wrap: anywhere; }
.muc-con { font-size: 12px; color: var(--chu-3); text-transform: uppercase; letter-spacing: 0.06em; margin: 22px 0 10px; }
.hang-bi-mat {
  display: flex; align-items: center; gap: 8px; padding: 8px 0; border-bottom: 1px solid var(--vien);
}
.hang-bi-mat .ten { font-size: 13px; min-width: 120px; }
.hang-bi-mat .gt {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 13px;
  background: var(--bg-deep); border: 1px solid var(--vien); border-radius: 6px;
  padding: 4px 8px; flex: 1; overflow-wrap: anywhere;
}
.o { margin-bottom: 13px; }
.hai { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.loi { color: #fca5a5; font-size: 12px; margin-top: 10px; min-height: 16px; }
.nhac { font-size: 12px; color: var(--chu-3); margin-top: 6px; }
.banh {
  position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%);
  background: var(--bg-mat); border: 1px solid var(--vien-dam); border-radius: 10px;
  padding: 10px 16px; font-size: 13px; z-index: 60;
}