:root {
  --bg: #f4f6f8;
  --panel: #ffffff;
  --ink: #1c2733;
  --muted: #64748b;
  --line: #e2e8f0;
  --brand: #0f4c5c;
  --brand-ink: #ffffff;
  --accent: #e36414;
  --good: #1a7f4b;
  --warn: #b45309;
  --bad: #b42318;
  --soft: #eef4f6;
}

* { box-sizing: border-box; }
html { font-size: 15px; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font-family: "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif; line-height: 1.45;
}
a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }
h1 { font-size: 1.45rem; margin: 0; }
h2 { font-size: 1.05rem; margin: 0 0 .75rem; }

/* Khung trang */
.layout { display: grid; grid-template-columns: 232px minmax(0, 1fr); min-height: 100vh; }
.sidebar { background: var(--brand); color: var(--brand-ink); padding: 1.1rem .8rem; display: flex; flex-direction: column; gap: 1rem; }
.brand { font-weight: 700; font-size: 1.05rem; padding: 0 .5rem; }
.brand small { display: block; font-weight: 400; opacity: .75; font-size: .8rem; }
.brand img { float: left; margin: .1rem .6rem 0 0; }
.nav { display: flex; flex-direction: column; gap: .15rem; }
.nav-title { font-size: .72rem; text-transform: uppercase; letter-spacing: .06em; opacity: .6; padding: .7rem .5rem .25rem; }
.nav a { color: var(--brand-ink); padding: .5rem .6rem; border-radius: 6px; opacity: .88; }
.nav a:hover { background: rgba(255, 255, 255, .12); text-decoration: none; opacity: 1; }
.nav a.active { background: rgba(255, 255, 255, .2); opacity: 1; font-weight: 600; }
.main { padding: 1.4rem 1.6rem 3rem; min-width: 0; }
.topbar { display: flex; justify-content: flex-end; align-items: center; gap: .8rem; margin: -.6rem 0 .9rem; font-size: .9rem; }
.topbar .btn { padding: .3rem .75rem; }

.page-head { display: flex; flex-wrap: wrap; align-items: center; gap: .6rem 1rem; margin-bottom: 1.1rem; }
.page-head .spacer, .form-actions .spacer { flex: 1; }
.page-head h2 { margin: 0; }
.panel .page-head { margin-bottom: .6rem; }
.sub { color: var(--muted); font-size: .9rem; }
.badge-demo {
  background: #fff4e5; color: var(--warn); border: 1px solid #f5d0a0; border-radius: 999px;
  padding: .15rem .65rem; font-size: .78rem; font-weight: 600; white-space: nowrap;
}

/* Thẻ số liệu */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: .9rem; margin-bottom: 1.1rem; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: .9rem 1rem; }
.card .label { color: var(--muted); font-size: .82rem; }
.card .value { font-size: 1.45rem; font-weight: 700; margin-top: .15rem; }
.card .value small { font-size: .8rem; font-weight: 500; color: var(--muted); }
.card .hint { color: var(--muted); font-size: .8rem; margin-top: .2rem; }
.card.warn { border-color: #f5d0a0; background: #fffaf2; }
.card.warn .value { color: var(--warn); }
.warn-text { color: var(--warn); font-weight: 600; }

.panel { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 1rem; margin-bottom: 1.1rem; }
.grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(340px, 1fr)); gap: 1.1rem; }
.grid-2 > .panel { margin-bottom: 0; }
.grid-2 { margin-bottom: 1.1rem; }

/* Bảng */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: .92rem; }
th, td { padding: .5rem .6rem; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
th { color: var(--muted); font-weight: 600; font-size: .8rem; white-space: nowrap; background: #fafbfc; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
tr.group td { background: var(--soft); font-weight: 600; }
tr.total td { font-weight: 700; border-top: 2px solid var(--line); background: #fafbfc; }
tr.highlight td { background: #fff8ed; font-weight: 700; }
td.actions { white-space: nowrap; text-align: right; }
td.actions form { display: inline; }
.empty { color: var(--muted); padding: 1.2rem; text-align: center; }

.in { color: var(--good); }
.out { color: var(--bad); }
/* Năng suất: tỷ lệ chi phí nhân công / giá trị làm ra — dưới 60% xanh, từ 60% đỏ */
.cost-good { color: var(--good); font-weight: 700; }
.cost-bad { color: var(--bad); font-weight: 700; }
.tag { display: inline-block; padding: .05rem .5rem; border-radius: 999px; font-size: .76rem; font-weight: 600; background: var(--soft); color: var(--brand); }
.tag.good { background: #e7f6ee; color: var(--good); }
.tag.warn { background: #fff4e5; color: var(--warn); }
.tag.bad { background: #fdecea; color: var(--bad); }

.bar { background: var(--line); border-radius: 999px; height: 7px; min-width: 70px; overflow: hidden; }
.bar > span { display: block; height: 100%; background: var(--brand); }

/* Biểu mẫu */
.filters { display: flex; flex-wrap: wrap; gap: .6rem .8rem; align-items: flex-end; }
.filters .field { margin: 0; min-width: 150px; }
.form-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: .9rem 1rem; }
.field { display: flex; flex-direction: column; gap: .25rem; }
.field.wide { grid-column: 1 / -1; }
label { font-size: .82rem; font-weight: 600; color: #334155; }
.req { color: var(--bad); }
.confirm-check { display: flex; align-items: flex-start; gap: .5rem; margin: 1rem 0 0; font-size: .92rem; }
.confirm-check input { width: 1.05rem; height: 1.05rem; padding: 0; margin-top: .15rem; flex: none; }
input, select, textarea {
  font: inherit; padding: .5rem .6rem; border: 1px solid #cbd5e1; border-radius: 6px; background: #fff; color: var(--ink); width: 100%;
}
input:focus, select:focus, textarea:focus { outline: 2px solid #7fb3c0; outline-offset: 0; border-color: var(--brand); }
.field small { color: var(--muted); font-size: .78rem; }
.errorlist { list-style: none; margin: 0; padding: 0; color: var(--bad); font-size: .82rem; }
.has-error input, .has-error select { border-color: var(--bad); }
.form-actions { display: flex; flex-wrap: wrap; gap: .6rem; margin-top: 1.1rem; }

.btn {
  display: inline-block; border: 1px solid var(--brand); background: var(--brand); color: #fff; border-radius: 6px;
  padding: .5rem .95rem; font: inherit; font-weight: 600; cursor: pointer; white-space: nowrap;
}
.btn:hover { text-decoration: none; filter: brightness(1.1); }
.btn.secondary { background: #fff; color: var(--brand); }
.btn.accent { background: var(--accent); border-color: var(--accent); }
.btn.link { background: none; border: 0; color: var(--bad); padding: 0 .2rem; font-weight: 500; }
.btn:disabled { opacity: .45; cursor: not-allowed; filter: none; }

/* Ô chọn có tìm kiếm (static/js/app.js) */
.combo { position: relative; min-width: 300px; }
.combo-list {
  position: absolute; z-index: 20; top: 100%; left: 0; right: 0; margin: .15rem 0 0; padding: .2rem 0; list-style: none;
  max-height: 280px; overflow-y: auto; background: #fff; border: 1px solid #cbd5e1; border-radius: 6px; box-shadow: 0 8px 20px rgba(15, 23, 42, .12);
}
.combo-list li { padding: .35rem .6rem; cursor: pointer; }
.combo-list li.active { background: var(--soft); }
.combo-list li.none { color: var(--muted); cursor: default; }

/* Dòng đã đánh dấu bỏ (chưa lưu) và hộp thoại xác nhận */
tr.removed td { background: #fdecea; }
tr.removed td:not(.actions) { color: var(--muted); text-decoration: line-through; }
dialog.modal { border: 1px solid var(--line); border-radius: 10px; padding: 1.2rem 1.4rem; width: calc(100% - 2rem); max-width: 460px; color: var(--ink); }
dialog.modal::backdrop { background: rgba(15, 23, 42, .45); }
dialog.modal ol { margin: 0 0 .8rem; padding-left: 1.4rem; max-height: 45vh; overflow-y: auto; font-weight: 600; }

/* Chọn nhiều dòng (tổ đội, chấm công): thanh thao tác phía trên bảng */
.bulk-bar { display: flex; flex-wrap: wrap; align-items: center; gap: .5rem .6rem; margin-bottom: .8rem; padding: .6rem .7rem; background: var(--soft); border-radius: 8px; }
.bulk-bar input, .bulk-bar select { width: auto; }
.bulk-bar input[list] { min-width: 250px; }
.bulk-bar .sep { width: 1px; align-self: stretch; background: var(--line); margin: 0 .2rem; }
.bulk-bar label { margin: 0; }
th.check, td.check { width: 2.2rem; text-align: center; }
th.check input, td.check input { width: 1.05rem; height: 1.05rem; padding: 0; }
tr.checked td { background: #eaf3f6; }
tr.absent td { background: #fdf3f2; }
tr.absent.checked td { background: #f6e3e1; }
td input.narrow { width: 6rem; }
table.attendance td input[data-reason] { min-width: 11rem; }
table.attendance td.name { min-width: 11rem; }
td.has-error input { border-color: var(--bad); }
details.names summary { cursor: pointer; color: var(--brand); }
details.names div { margin-top: .3rem; color: var(--muted); font-size: .85rem; }

/* Lịch sử thao tác: nút trên đầu trang mở hộp thoại rộng */
dialog.modal.wide { max-width: 1000px; }
.dialog-scroll { max-height: 60vh; overflow-y: auto; border: 1px solid var(--line); border-radius: 8px; }
.btn .count { display: inline-block; min-width: 1.4em; padding: 0 .35rem; margin-left: .2rem; border-radius: 999px; background: var(--soft); font-size: .78rem; text-align: center; }
table.history td { font-size: .88rem; }
td.nowrap { white-space: nowrap; }

.messages { list-style: none; margin: 0 0 1rem; padding: 0; }
.messages li { background: #e7f6ee; border: 1px solid #b7e1c8; color: #14532d; padding: .55rem .8rem; border-radius: 6px; }
.messages li + li { margin-top: .4rem; }
.messages li.warning { background: #fff8ed; border-color: #f5d0a0; color: #7c3d06; }
.messages li.error { background: #fdecea; border-color: #f3b8b2; color: #7a1a12; }
.note { background: #fff8ed; border: 1px solid #f5d0a0; border-radius: 8px; padding: .7rem .9rem; font-size: .9rem; margin-bottom: 1.1rem; }
.note ul { margin: .35rem 0 0; padding-left: 1.2rem; }
.note li { margin: .2rem 0; }
.note mark { background: #ffe08a; padding: 0 .25rem; border-radius: 3px; font-weight: 600; }

/* Trang Nghiệp vụ cần xác nhận */
.toc { display: flex; flex-wrap: wrap; gap: .4rem .5rem; }
.toc a { padding: .2rem .65rem; border-radius: 999px; background: var(--soft); font-size: .86rem; }
.procedure h3 { font-size: .9rem; margin: 1rem 0 .35rem; color: var(--brand); }
.procedure p { margin: 0; }
.procedure ol, .procedure ul { margin: 0; padding-left: 1.4rem; }
.procedure li { margin: .3rem 0; }
.procedure .open-menu { float: right; font-size: .85rem; font-weight: 500; }
.procedure th { white-space: normal; }

/* Đăng nhập */
.login-wrap { min-height: 100vh; display: grid; place-items: center; padding: 1rem; }
.login-box { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 1.8rem; width: 100%; max-width: 380px; }
.login-logo { display: flex; align-items: center; gap: .7rem; font-weight: 700; font-size: 1.35rem; color: var(--brand); line-height: 1.15; }
.login-logo small { display: block; font-size: .68rem; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); }
.login-box h1 { margin-bottom: .2rem; }
.login-box .field { margin-top: .9rem; }
.login-box .btn { width: 100%; margin-top: 1.2rem; }

@media (max-width: 820px) {
  .layout { grid-template-columns: 1fr; }
  .sidebar { flex-direction: row; flex-wrap: wrap; align-items: center; padding: .6rem .8rem; gap: .4rem; }
  .nav { flex-direction: row; flex-wrap: wrap; }
  .nav-title { display: none; }
  .main { padding: 1rem .8rem 2rem; }
  .topbar { margin-top: 0; }
}

@media print {
  .sidebar, .no-print { display: none !important; }
  .layout { display: block; }
  body { background: #fff; }
  .main { padding: 0; }
  .panel { border: 0; padding: 0; }
}

a.warn-text { text-decoration: underline; }