* { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --sidebar-bg: #101828;
  --sidebar-text: #cbd5e1;
  --bg: #f4f6fa;
  --card: #ffffff;
  --border: #e4e8ef;
  --text: #1d2939;
  --muted: #667085;
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --green: #059669;
  --red: #dc2626;
  --amber: #d97706;
  --radius: 12px;
  --shadow: 0 1px 3px rgba(16, 24, 40, .08);
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
}

.layout { display: flex; min-height: 100vh; }

/* ---------- Sidebar ---------- */
.sidebar {
  width: 230px; flex-shrink: 0;
  background: var(--sidebar-bg); color: var(--sidebar-text);
  display: flex; flex-direction: column;
  position: sticky; top: 0; height: 100vh;
}
.brand { display: flex; align-items: center; gap: 10px; padding: 20px 16px; }
.brand-icon { font-size: 26px; }
.brand-name { font-weight: 700; color: #fff; font-size: 15px; }
.brand-sub { font-size: 11px; color: #94a3b8; }
#nav { display: flex; flex-direction: column; gap: 2px; padding: 8px; flex: 1; }
#nav button {
  all: unset; cursor: pointer; padding: 10px 12px; border-radius: 8px;
  font-size: 14px; color: var(--sidebar-text); transition: background .15s;
}
#nav button:hover { background: rgba(255,255,255,.07); }
#nav button.active { background: var(--primary); color: #fff; font-weight: 600; }
.sidebar-footer { padding: 14px 16px; font-size: 11px; color: #64748b; }

/* ---------- Nội dung ---------- */
main { flex: 1; min-width: 0; padding: 24px 28px; max-width: 1200px; }
.page-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 18px; gap: 12px; flex-wrap: wrap; }
.page-head h1 { font-size: 20px; }
.page-head .actions { display: flex; gap: 8px; align-items: center; }
.page-head .actions input, .page-head .actions select { width: auto; }
.filters { display: flex; gap: 8px; margin-bottom: 14px; flex-wrap: wrap; }
.filters select { width: auto; }

/* ---------- Nút ---------- */
.btn {
  border: none; cursor: pointer; border-radius: 8px; padding: 9px 14px;
  font-size: 13.5px; font-weight: 600; background: var(--primary); color: #fff;
  transition: background .15s;
}
.btn:hover { background: var(--primary-dark); }
.btn.ghost { background: var(--card); color: var(--text); border: 1px solid var(--border); }
.btn.ghost:hover { background: #f1f5f9; }
.btn.danger { background: #fee2e2; color: var(--red); }
.btn.small { padding: 5px 10px; font-size: 12.5px; }

/* ---------- Thẻ ---------- */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 14px; margin-bottom: 22px; }
.card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 16px 18px; box-shadow: var(--shadow);
}
.card .label { font-size: 12.5px; color: var(--muted); margin-bottom: 6px; }
.card .value { font-size: 21px; font-weight: 700; }
.card .value.green { color: var(--green); }
.card .value.red { color: var(--red); }
.card.alert-card { border-color: #fecaca; background: #fff7f7; }
.section-title { font-size: 15px; font-weight: 700; margin: 20px 0 10px; }

/* ---------- Bảng ---------- */
.table-wrap { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); overflow-x: auto; box-shadow: var(--shadow); }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 11px 14px; border-bottom: 1px solid var(--border); white-space: nowrap; }
td.wrap { white-space: normal; }
th { font-size: 12px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); background: #fafbfc; }
tr:last-child td { border-bottom: none; }
tbody tr:hover { background: #f8fafc; cursor: pointer; }
.right { text-align: right; }
.empty { padding: 28px; text-align: center; color: var(--muted); }
.money-in { color: var(--green); font-weight: 600; }
.money-out { color: var(--red); font-weight: 600; }

/* ---------- Biểu đồ ---------- */
.chart-card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px 20px; box-shadow: var(--shadow); margin-bottom: 22px; }
.chart-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; flex-wrap: wrap; gap: 8px; }
.chart-head h2 { font-size: 15px; }
.legend { display: flex; gap: 16px; font-size: 12.5px; color: var(--muted); }
.legend .dot { display: inline-block; width: 10px; height: 10px; border-radius: 99px; margin-right: 5px; vertical-align: -1px; }
.chart-svg { width: 100%; height: auto; display: block; }

/* ---------- Badge ---------- */
.badge { display: inline-block; padding: 3px 9px; border-radius: 99px; font-size: 12px; font-weight: 600; }
.badge.dang_nuoi { background: #ecfdf5; color: var(--green); }
.badge.da_ban { background: #eff6ff; color: #1d4ed8; }
.badge.da_chet { background: #f1f5f9; color: var(--muted); }
.badge.chua_lam { background: #f1f5f9; color: var(--muted); }
.badge.dang_lam { background: #fffbeb; color: var(--amber); }
.badge.cho_duyet { background: #eff6ff; color: #1d4ed8; }
.badge.xong { background: #ecfdf5; color: var(--green); }
.badge.dau_bau { background: #ecfdf5; color: var(--green); }
.badge.khong_dau { background: #fef2f2; color: var(--red); }
.badge.cho_ket_qua { background: #f1f5f9; color: var(--muted); }
.badge.CAI { background: #fdf2f8; color: #be185d; }
.badge.DUC { background: #eff6ff; color: #1d4ed8; }
.badge.overdue { background: #fef2f2; color: var(--red); }
.badge.thuong { background: #f1f5f9; color: var(--muted); }
.badge.nghi_tuan { background: #fffbeb; color: var(--amber); }
.badge.le { background: #fdf2f8; color: #be185d; }

/* ---------- Kanban ---------- */
.kanban { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; align-items: start; }
.kanban-col { background: #eef1f6; border-radius: var(--radius); padding: 10px; min-height: 180px; }
.kanban-col.drag-over { outline: 2px dashed var(--primary); }
.kanban-col h3 { font-size: 13px; color: var(--muted); padding: 4px 6px 10px; text-transform: uppercase; letter-spacing: .04em; }
.task-card {
  background: var(--card); border: 1px solid var(--border); border-radius: 10px;
  padding: 12px; margin-bottom: 8px; cursor: pointer; box-shadow: var(--shadow);
}
.task-card:hover { border-color: var(--primary); }
.task-card.overdue { border-color: var(--red); background: #fff7f7; }
.task-card .t-title { font-weight: 600; margin-bottom: 6px; }
.task-card .t-meta { font-size: 12px; color: var(--muted); display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 4px; }

/* ---------- Form ---------- */
label.field { display: block; margin-bottom: 12px; }
label.field span { display: block; font-size: 12.5px; font-weight: 600; color: var(--muted); margin-bottom: 5px; }
input, select, textarea {
  width: 100%; padding: 9px 11px; border: 1px solid var(--border); border-radius: 8px;
  font-size: 14px; font-family: inherit; background: #fff; color: var(--text);
}
input:focus, select:focus, textarea:focus { outline: 2px solid #bfdbfe; border-color: var(--primary); }
.form-row { display: flex; gap: 10px; }
.form-row > * { flex: 1; }

/* ---------- Modal ---------- */
.modal-backdrop {
  position: fixed; inset: 0; background: rgba(16,24,40,.5);
  display: flex; align-items: flex-start; justify-content: center; padding: 40px 16px; z-index: 50;
  overflow-y: auto;
}
.modal {
  background: var(--card); border-radius: 14px; width: 100%; max-width: 560px;
  box-shadow: 0 20px 60px rgba(0,0,0,.25);
}
.modal.wide { max-width: 900px; }
.modal-head { display: flex; justify-content: space-between; align-items: center; padding: 16px 20px; border-bottom: 1px solid var(--border); }
.modal-head h2 { font-size: 16px; }
.modal-close { all: unset; cursor: pointer; font-size: 20px; color: var(--muted); padding: 0 4px; }
.modal-body { padding: 20px; }
.modal-foot { display: flex; justify-content: flex-end; gap: 8px; padding: 14px 20px; border-top: 1px solid var(--border); }

/* ---------- Bình luận ---------- */
.report-list { max-height: 220px; overflow-y: auto; border: 1px solid var(--border); border-radius: 8px; }
.report-item { padding: 9px 12px; border-bottom: 1px solid var(--border); font-size: 13px; }
.report-item:last-child { border-bottom: none; }
.report-item .r-meta { color: var(--muted); font-size: 11.5px; margin-top: 2px; }

/* ---------- Dashboard ---------- */
.dash-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-bottom: 22px; }
.dash-grid .span2 { grid-column: 1 / -1; }
@media (max-width: 1000px) { .dash-grid { grid-template-columns: 1fr; } }
.hbar-row { display: grid; grid-template-columns: 110px 1fr 60px; gap: 10px; align-items: center; margin-bottom: 9px; font-size: 13px; }
.hbar-label { color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.hbar-track { background: #eef1f6; border-radius: 99px; height: 14px; overflow: hidden; }
.hbar-fill { height: 100%; border-radius: 99px; min-width: 2px; background: var(--primary); }
.hbar-val { text-align: right; font-weight: 600; font-variant-numeric: tabular-nums; }
.status-row { display: flex; justify-content: space-between; align-items: center; padding: 7px 0; border-bottom: 1px solid var(--border); font-size: 13.5px; }
.status-row:last-child { border-bottom: none; }
.status-row b { font-size: 15px; }
/* ---------- Sơ đồ trại ---------- */
.sodo-legend { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; font-size: 12.5px; color: var(--muted); margin-bottom: 14px; }
.sodo-legend > span { display: flex; align-items: center; gap: 5px; }
.sodo-wrap { display: flex; gap: 18px; overflow-x: auto; padding-bottom: 10px; }
.sodo-khoi { display: flex; gap: 4px; background: #eef1f6; border-radius: var(--radius); padding: 8px; flex: 0 0 auto; }
.sodo-day { display: flex; flex-direction: column; gap: 3px; }
.sodo-day-ten { font-size: 10.5px; font-weight: 700; color: var(--muted); text-align: center; padding-bottom: 3px; letter-spacing: .03em; }
.o-nuoi {
  display: flex; align-items: center; gap: 4px;
  min-width: 104px; min-height: 24px; padding: 2px 5px;
  background: var(--card); border: 1px solid var(--border); border-radius: 5px; font-size: 11.5px;
}
.o-nuoi.trong { background: #f8fafc; border-style: dashed; }
.o-nuoi.drag-over { outline: 2px dashed var(--primary); outline-offset: 1px; }
.o-nuoi.tim-thay { outline: 2px solid var(--amber); background: #fffbeb; }
.o-so { color: var(--muted); font-variant-numeric: tabular-nums; min-width: 22px; font-size: 10.5px; }
.o-con { display: flex; flex-wrap: wrap; gap: 2px; }
.chip { display: inline-block; padding: 1px 6px; border-radius: 4px; font-size: 11px; font-weight: 600; cursor: pointer; white-space: nowrap; }
.chip.cai { background: #fdf2f8; color: #be185d; }
.chip.ghep { background: #fffbeb; color: var(--amber); }
.chip.bau { background: #fee2e2; color: var(--red); }
.chip.duc { background: #eff6ff; color: #1d4ed8; }
.chip[draggable="true"] { cursor: grab; }
.chip[draggable="true"]:active { cursor: grabbing; }
/* Nhãn giá trị gắn kèm mã khi bật "Hiện giá trị" */
.chip-gia { margin-left: 4px; padding-left: 4px; border-left: 1px solid currentColor; opacity: .75; font-weight: 700; font-size: 10px; }
.o-nuoi.co-gia { min-width: 150px; }

.delta { display: inline-block; font-size: 11.5px; font-weight: 700; padding: 2px 8px; border-radius: 99px; margin-left: 6px; vertical-align: 2px; }
.delta.up { background: #ecfdf5; color: var(--green); }
.delta.down { background: #fef2f2; color: var(--red); }
.delta.flat { background: #f1f5f9; color: var(--muted); }

/* ---------- Đăng nhập ---------- */
body.auth-mode .layout { display: none; }
#auth-root .auth-screen {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, #101828 0%, #1d3a6e 100%); padding: 20px;
}
.auth-box {
  background: var(--card); border-radius: 16px; padding: 32px 30px;
  width: 100%; max-width: 400px; box-shadow: 0 24px 64px rgba(0,0,0,.35);
}
.auth-box .auth-logo { text-align: center; font-size: 40px; }
.auth-box h1 { text-align: center; font-size: 19px; margin: 6px 0 2px; }
.auth-box .auth-sub { text-align: center; color: var(--muted); font-size: 13px; margin-bottom: 22px; }
.auth-box .btn { width: 100%; padding: 11px; font-size: 14.5px; margin-top: 4px; }
.auth-error { color: var(--red); font-size: 13px; text-align: center; margin-top: 12px; min-height: 18px; }

/* ---------- Người dùng ở sidebar ---------- */
.user-chip { border-top: 1px solid rgba(255,255,255,.08); padding-top: 12px; }
.user-chip .u-name { color: #fff; font-weight: 600; font-size: 13px; }
.user-chip .u-role { font-size: 11px; color: #94a3b8; margin-bottom: 8px; }
.user-chip button {
  all: unset; cursor: pointer; font-size: 12px; color: #cbd5e1;
  border: 1px solid rgba(255,255,255,.2); border-radius: 6px; padding: 4px 10px;
}
.user-chip button:hover { background: rgba(255,255,255,.1); }

/* ---------- Nhãn nhỏ & chữ phụ (dùng trong bảng lương) ---------- */
.tag {
  display: inline-block; padding: 1px 7px; border-radius: 99px; font-size: 11px;
  font-weight: 600; background: #fffbeb; color: var(--amber);
}
.muted { color: var(--muted); font-size: 13px; }
.xoa-dong { font-size: 12px; color: var(--red); text-decoration: none; margin-left: 6px; }
.xoa-dong:hover { text-decoration: underline; }

/* ---------- Toast ---------- */
#toast {
  position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%);
  background: var(--sidebar-bg); color: #fff; padding: 10px 18px; border-radius: 10px;
  font-size: 13.5px; opacity: 0; pointer-events: none; transition: opacity .25s; z-index: 100;
}
#toast.show { opacity: 1; }

@media (max-width: 900px) {
  .kanban { grid-template-columns: 1fr; }
  .layout { flex-direction: column; }
  .sidebar { width: 100%; height: auto; position: static; }
  #nav { flex-direction: row; flex-wrap: wrap; }
  .form-row { flex-direction: column; }
}