/* ==========================================================
   CSCĐ OS LITE — Bộ giao diện tự viết, không phụ thuộc CDN
   Màu chủ đạo: xanh dương đậm. Nền sáng, tương phản cao.
   ========================================================== */

:root {
    --navy-900: #0b2545;
    --navy-800: #13315c;
    --navy-700: #1b3b6f;
    --navy-600: #23509c;
    --navy-500: #2f6fd0;
    --navy-050: #eef3fb;
    --ink:      #16202c;
    --ink-soft: #4a5766;
    --line:     #d8e0ea;
    --bg:       #f4f6fa;
    --white:    #ffffff;
    --ok:       #147d4b;
    --ok-bg:    #e6f5ed;
    --warn:     #9a6100;
    --warn-bg:  #fdf3e0;
    --danger:   #b3261e;
    --danger-bg:#fdeceb;
    --info:     #0c5f78;
    --info-bg:  #e6f4f8;
    --radius:   8px;
    --shadow:   0 1px 2px rgba(16,32,56,.08), 0 2px 8px rgba(16,32,56,.06);
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
    margin: 0;
    font-family: "Segoe UI", "Helvetica Neue", Arial, "Noto Sans", sans-serif;
    font-size: 15px;
    line-height: 1.55;
    color: var(--ink);
    background: var(--bg);
}

a { color: var(--navy-600); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3, h4 { margin: 0 0 .5rem; line-height: 1.3; color: var(--navy-900); }
h1 { font-size: 1.5rem; }
h2 { font-size: 1.2rem; }
h3 { font-size: 1.05rem; }
p  { margin: 0 0 .75rem; }

/* ---------- Bố cục ---------- */
.layout { display: flex; min-height: 100vh; }

.sidebar {
    width: 228px;
    flex: 0 0 228px;
    background: var(--navy-900);
    color: #dfe8f5;
    display: flex;
    flex-direction: column;
    position: sticky;
    top: 0;
    height: 100vh;
    overflow-y: auto;
}
.sidebar .brand {
    padding: 16px;
    border-bottom: 1px solid rgba(255,255,255,.12);
    display: flex; align-items: center; gap: 11px;
    border-top: 3px solid #b3261e;
}
.sidebar .brand:hover { text-decoration: none; background: rgba(255,255,255,.05); }
.sidebar .brand .brand-text { min-width: 0; }
.sidebar .brand img.brand-mark { max-height: 46px; }
.sidebar .brand strong { display: block; color: #fff; font-size: 1.08rem; letter-spacing: .5px; }
.sidebar .brand span   { display: block; font-size: .74rem; color: #a9bfdd; margin-top: 2px; }
img.brand-mark, svg.brand-mark { flex: 0 0 auto; display: block; object-fit: contain; height: auto; }
img.brand-mark { width: auto; }

.sidebar nav { padding: 10px 0; flex: 1; }
.sidebar .nav-group { padding: 14px 16px 6px; font-size: .7rem; text-transform: uppercase; letter-spacing: .08em; color: #7f9bc4; }
.sidebar a.nav-item {
    display: flex; align-items: center; gap: 10px;
    padding: 10px 16px; color: #dfe8f5; font-size: .93rem;
    border-left: 3px solid transparent;
}
.sidebar a.nav-item:hover { background: rgba(255,255,255,.07); text-decoration: none; }
.sidebar a.nav-item.active { background: var(--navy-700); border-left-color: #7fb3ff; color: #fff; font-weight: 600; }
.sidebar .nav-badge {
    margin-left: auto; background: #d93b30; color: #fff; font-size: .72rem;
    padding: 1px 7px; border-radius: 10px; font-weight: 700;
}
.sidebar .side-foot { padding: 12px 16px; font-size: .74rem; color: #8aa5cb; border-top: 1px solid rgba(255,255,255,.12); }

.main { flex: 1; min-width: 0; display: flex; flex-direction: column; }

.topbar {
    background: var(--white);
    border-bottom: 1px solid var(--line);
    padding: 10px 20px;
    display: flex; align-items: center; gap: 12px;
    position: sticky; top: 0; z-index: 20;
}
.topbar .page-title { font-weight: 700; color: var(--navy-900); font-size: 1.05rem; }
.topbar .spacer { flex: 1; }
.topbar .who { text-align: right; font-size: .82rem; line-height: 1.25; }
.topbar .who strong { display: block; color: var(--navy-900); }
.topbar .who span { color: var(--ink-soft); }

.menu-toggle {
    display: none; background: var(--navy-700); color: #fff; border: 0;
    border-radius: var(--radius); padding: 7px 11px; font-size: 1rem; cursor: pointer;
}

.content { padding: 20px; flex: 1; }
.content > .page-head { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-bottom: 14px; }
.content > .page-head h1 { margin: 0; }
.content > .page-head .grow { flex: 1; }

/* ---------- Thẻ ---------- */
.card {
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    margin-bottom: 16px;
}
.card > .card-head {
    padding: 12px 16px; border-bottom: 1px solid var(--line);
    display: flex; align-items: center; gap: 10px;
}
.card > .card-head h2, .card > .card-head h3 { margin: 0; font-size: 1rem; }
.card > .card-head .grow { flex: 1; }
.card > .card-body { padding: 16px; }
.card > .card-body.tight { padding: 0; }

/* ---------- Lưới ---------- */
.grid { display: grid; gap: 14px; }
.grid.cols-2 { grid-template-columns: repeat(2, minmax(0,1fr)); }
.grid.cols-3 { grid-template-columns: repeat(3, minmax(0,1fr)); }
.grid.cols-4 { grid-template-columns: repeat(4, minmax(0,1fr)); }
.grid.side   { grid-template-columns: minmax(0,2fr) minmax(0,1fr); }

/* ---------- Thẻ thống kê ---------- */
.stat {
    background: var(--white); border: 1px solid var(--line); border-radius: var(--radius);
    padding: 14px; box-shadow: var(--shadow); display: block;
}
.stat:hover { text-decoration: none; border-color: var(--navy-500); }
.stat .stat-label { font-size: .78rem; color: var(--ink-soft); text-transform: uppercase; letter-spacing: .04em; }
.stat .stat-value { font-size: 1.9rem; font-weight: 700; color: var(--navy-900); line-height: 1.15; }
.stat .stat-note  { font-size: .78rem; color: var(--ink-soft); }
.stat.alert-danger  { border-left: 4px solid var(--danger); }
.stat.alert-warn    { border-left: 4px solid var(--warn); }
.stat.alert-ok      { border-left: 4px solid var(--ok); }
.stat.alert-info    { border-left: 4px solid var(--navy-600); }

/* ---------- Bảng ---------- */
.table-wrap { overflow-x: auto; }
table.data { width: 100%; border-collapse: collapse; font-size: .9rem; }
table.data th, table.data td { padding: 9px 12px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
table.data thead th { background: var(--navy-050); color: var(--navy-900); font-weight: 700; font-size: .8rem; text-transform: uppercase; letter-spacing: .03em; white-space: nowrap; }
table.data tbody tr:hover { background: #fafcff; }
table.data td.num, table.data th.num { text-align: right; white-space: nowrap; }
table.data .code { font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace; font-size: .85rem; white-space: nowrap; }


/* Bảng công việc: nhiều cột nên nén lại cho vừa màn hình máy tính */
table.data.compact th, table.data.compact td { padding: 7px 8px; }
table.data.compact thead th { font-size: .72rem; letter-spacing: 0; }
table.data.compact .progress { min-width: 62px; height: 7px; }
table.data.tasks { min-width: 900px; }
table.data.tasks td.t-title { min-width: 200px; }
table.data.tasks td.t-act { white-space: normal; width: 78px; }
table.data.tasks td.t-act .btn { display: block; margin-bottom: 4px; padding: 4px 6px; }

/* ---------- Nhãn ---------- */
.badge {
    display: inline-block; padding: 2px 9px; border-radius: 20px;
    font-size: .76rem; font-weight: 600; white-space: nowrap; border: 1px solid transparent;
}
.st-pending   { background: #eef1f5; color: #414f60; border-color: #dae0e8; }
.st-progress  { background: #e6f0ff; color: #14448f; border-color: #c5daff; }
.st-waiting   { background: var(--info-bg); color: var(--info); border-color: #bfe0ea; }
.st-approval  { background: var(--warn-bg); color: var(--warn); border-color: #f2dcb4; }
.st-revision  { background: #fdeee6; color: #a44214; border-color: #f5cdb8; }
.st-done      { background: var(--ok-bg); color: var(--ok); border-color: #bfe3d0; }
.st-paused    { background: #f0eefb; color: #4b3f96; border-color: #d9d3f2; }
.st-cancelled { background: #f1f1f1; color: #6b6b6b; border-color: #dcdcdc; text-decoration: line-through; }

.pr-normal    { background: #f1f4f8; color: #46536a; border-color: #dfe5ee; }
.pr-important { background: #e9f2ff; color: #1c4b9c; border-color: #c9dcfb; }
.pr-urgent    { background: var(--warn-bg); color: var(--warn); border-color: #f0d7a8; }
.pr-express   { background: var(--danger-bg); color: var(--danger); border-color: #f3c4c0; font-weight: 700; }

.badge-overdue  { background: var(--danger); color: #fff; }
.badge-duesoon  { background: var(--warn-bg); color: var(--warn); border-color: #edcf9a; }

/* ---------- Thanh tiến độ ---------- */
.progress { background: #e7ecf3; border-radius: 20px; height: 9px; overflow: hidden; min-width: 90px; }
.progress > span { display: block; height: 100%; background: var(--navy-500); border-radius: 20px; }
.progress.done > span { background: var(--ok); }
.progress.late > span { background: var(--danger); }
.progress-label { font-size: .78rem; color: var(--ink-soft); }

/* ---------- Nút ---------- */
.btn {
    display: inline-flex; align-items: center; gap: 6px; justify-content: center;
    padding: 8px 14px; border-radius: var(--radius); border: 1px solid var(--line);
    background: var(--white); color: var(--ink); font-size: .88rem; font-weight: 600;
    cursor: pointer; text-decoration: none; line-height: 1.2;
}
.btn:hover { text-decoration: none; border-color: var(--navy-500); color: var(--navy-700); }
.btn-primary { background: var(--navy-700); border-color: var(--navy-700); color: #fff; }
.btn-primary:hover { background: var(--navy-600); border-color: var(--navy-600); color: #fff; }
.btn-success { background: var(--ok); border-color: var(--ok); color: #fff; }
.btn-success:hover { background: #11693f; color: #fff; }
.btn-warn { background: #a56c00; border-color: #a56c00; color: #fff; }
.btn-warn:hover { background: #8d5c00; color: #fff; }
.btn-danger { background: var(--danger); border-color: var(--danger); color: #fff; }
.btn-danger:hover { background: #97201a; color: #fff; }
.btn-sm { padding: 5px 10px; font-size: .8rem; }
.btn-block { width: 100%; }
.btn[disabled], .btn.disabled { opacity: .55; cursor: not-allowed; }

/* ---------- Biểu mẫu ---------- */
.form-row { margin-bottom: 14px; }
.form-row > label { display: block; font-weight: 600; font-size: .86rem; margin-bottom: 5px; color: var(--navy-800); }
.form-row .hint { font-size: .78rem; color: var(--ink-soft); margin-top: 4px; }
.req { color: var(--danger); }

input[type=text], input[type=password], input[type=date], input[type=number],
input[type=search], input[type=file], select, textarea {
    width: 100%; padding: 8px 10px; font: inherit; font-size: .9rem;
    border: 1px solid var(--line); border-radius: var(--radius); background: #fff; color: var(--ink);
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--navy-500); outline-offset: -1px; border-color: var(--navy-500); }
textarea { min-height: 88px; resize: vertical; }
select[multiple] { min-height: 110px; }
.input-error { border-color: var(--danger) !important; background: #fffafa; }
.error-text { color: var(--danger); font-size: .8rem; margin-top: 4px; font-weight: 600; }

.checks { display: flex; flex-wrap: wrap; gap: 8px 16px; }
.checks label { display: inline-flex; align-items: center; gap: 6px; font-size: .88rem; font-weight: 500; }
.checks input { width: auto; }

.filters { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 10px; align-items: end; }
.filters .form-row { margin-bottom: 0; }

/* ---------- Thông báo nhanh ---------- */
.alert { padding: 11px 14px; border-radius: var(--radius); margin-bottom: 12px; border: 1px solid; font-size: .9rem; }
.alert-success { background: var(--ok-bg); border-color: #bfe3d0; color: #0f6b40; }
.alert-danger  { background: var(--danger-bg); border-color: #f3c4c0; color: #91201a; }
.alert-warning { background: var(--warn-bg); border-color: #f0d7a8; color: #7d4e00; }
.alert-info    { background: var(--info-bg); border-color: #bfe0ea; color: #0a4d61; }

.notice-secret {
    background: #fff8e6; border: 1px solid #f0d7a8; border-left: 4px solid #b8860b;
    padding: 10px 13px; border-radius: var(--radius); font-size: .84rem; color: #6d4c00; margin-bottom: 12px;
}

/* ---------- Dòng thời gian ---------- */
.timeline { list-style: none; margin: 0; padding: 0 0 0 22px; border-left: 2px solid var(--line); }
.timeline > li { position: relative; padding: 0 0 18px 16px; }
.timeline > li::before {
    content: ""; position: absolute; left: -25px; top: 4px; width: 10px; height: 10px;
    border-radius: 50%; background: var(--navy-500); border: 2px solid #fff; box-shadow: 0 0 0 2px var(--navy-050);
}
.timeline > li.tl-approve::before { background: var(--ok); }
.timeline > li.tl-revision::before { background: var(--danger); }
.timeline > li.tl-evidence::before { background: var(--warn); }
.timeline .tl-meta { font-size: .78rem; color: var(--ink-soft); }
.timeline .tl-body { background: #fbfcfe; border: 1px solid var(--line); border-radius: var(--radius); padding: 9px 12px; margin-top: 5px; font-size: .88rem; white-space: pre-wrap; }

/* ---------- Bình luận ---------- */
.comment { border-bottom: 1px solid var(--line); padding: 11px 0; }
.comment:last-child { border-bottom: 0; }
.comment .c-head { font-size: .8rem; color: var(--ink-soft); display: flex; gap: 8px; align-items: center; }
.comment .c-head strong { color: var(--navy-800); font-size: .88rem; }
.comment .c-body { margin-top: 4px; white-space: pre-wrap; }

/* ---------- Kanban ---------- */
.kanban { display: grid; grid-template-columns: repeat(5, minmax(230px, 1fr)); gap: 12px; overflow-x: auto; padding-bottom: 6px; }
.kanban .kcol { background: #eef1f6; border: 1px solid var(--line); border-radius: var(--radius); display: flex; flex-direction: column; min-width: 230px; }
.kanban .kcol > header { padding: 9px 12px; font-weight: 700; font-size: .85rem; color: var(--navy-900); border-bottom: 1px solid var(--line); display: flex; gap: 8px; align-items: center; }
.kanban .kcol > header .count { margin-left: auto; background: var(--navy-700); color: #fff; border-radius: 10px; font-size: .72rem; padding: 1px 8px; }
.kanban .kbody { padding: 10px; display: flex; flex-direction: column; gap: 9px; min-height: 60px; }
.kcard { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 10px; box-shadow: var(--shadow); }
.kcard .kcode { font-size: .74rem; color: var(--ink-soft); font-family: ui-monospace, Menlo, monospace; }
.kcard .ktitle { font-weight: 600; font-size: .88rem; margin: 3px 0 6px; }
.kcard .kmeta { font-size: .76rem; color: var(--ink-soft); display: flex; flex-wrap: wrap; gap: 5px; align-items: center; }
.kcard form { margin-top: 8px; display: flex; gap: 5px; }
.kcard form select { font-size: .78rem; padding: 4px 6px; }

/* ---------- Danh sách gọn ---------- */
.mini-list { list-style: none; margin: 0; padding: 0; }
.mini-list li { padding: 9px 16px; border-bottom: 1px solid var(--line); display: flex; gap: 10px; align-items: flex-start; }
.mini-list li:last-child { border-bottom: 0; }
.mini-list .ml-main { flex: 1; min-width: 0; }
.mini-list .ml-title { font-weight: 600; font-size: .89rem; }
.mini-list .ml-sub { font-size: .78rem; color: var(--ink-soft); }

.empty { padding: 22px; text-align: center; color: var(--ink-soft); font-size: .9rem; }

/* ---------- Phân trang ---------- */
.pagination { display: flex; gap: 5px; flex-wrap: wrap; align-items: center; padding: 12px 16px; }
.pagination a, .pagination span {
    padding: 5px 11px; border: 1px solid var(--line); border-radius: var(--radius);
    font-size: .85rem; background: #fff; color: var(--ink);
}
.pagination .current { background: var(--navy-700); border-color: var(--navy-700); color: #fff; font-weight: 700; }

/* ---------- Đăng nhập ---------- */
.login-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 20px;
    background: linear-gradient(160deg, var(--navy-900) 0%, var(--navy-700) 55%, #2a5aa8 100%); }
.login-box { width: 100%; max-width: 420px; background: #fff; border-radius: 12px; box-shadow: 0 12px 40px rgba(0,0,0,.28); overflow: hidden; }
.login-box .lb-head { background: var(--navy-900); color: #fff; padding: 22px 24px; text-align: center; }
.login-box .lb-head { border-top: 4px solid #b3261e; }
.login-box .lb-head .brand-mark { margin: 0 auto 10px; max-height: 110px; }
.login-box .lb-head strong { display: block; font-size: 1.5rem; letter-spacing: 1px; }
.login-box .lb-head span { display: block; font-size: .85rem; color: #b8cbe6; margin-top: 4px; }
.login-box .lb-head .lb-org { font-size: .76rem; color: #92aacd; margin-top: 8px; }
.login-box .lb-body { padding: 22px 24px 26px; }
.login-foot { color: #c3d5ee; font-size: .78rem; text-align: center; margin-top: 16px; }


/* ---------- Giao việc nhanh trên Dashboard ---------- */
.quick-add { display: grid; grid-template-columns: 2fr 1.4fr 1.1fr 1fr auto; gap: 10px; align-items: end; }
.quick-add .form-row { margin-bottom: 0; }
@media (max-width: 900px) { .quick-add { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .quick-add { grid-template-columns: 1fr; } }

/* ---------- Giao ban tuần ---------- */
.gb-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 14px; }
.gb-person { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); overflow: hidden; }
.gb-person > header { padding: 11px 14px; background: var(--navy-050); border-bottom: 1px solid var(--line); }
.gb-person > header .who { font-weight: 700; color: var(--navy-900); }
.gb-person > header .role { font-size: .78rem; color: var(--ink-soft); }
.gb-person .counts { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 7px; }
.gb-block { padding: 10px 14px; border-bottom: 1px solid var(--line); }
.gb-block:last-child { border-bottom: 0; }
.gb-block h4 { margin: 0 0 6px; font-size: .8rem; text-transform: uppercase; letter-spacing: .04em; color: var(--ink-soft); }
.gb-block ul { list-style: none; margin: 0; padding: 0; }
.gb-block li { padding: 4px 0; font-size: .87rem; border-bottom: 1px dashed #edf1f6; }
.gb-block li:last-child { border-bottom: 0; }
.gb-block .meta { font-size: .76rem; color: var(--ink-soft); }
.gb-block.is-overdue h4 { color: var(--danger); }
.gb-none { color: var(--ink-soft); font-size: .84rem; }

/* ---------- Bảng phân công nhiệm vụ ---------- */
.duty-list { margin: 4px 0 0 16px; padding: 0; font-size: .83rem; color: var(--ink-soft); }
.duty-list li { margin-bottom: 2px; }
.pw-table td.pw { font-family: ui-monospace, Menlo, Consolas, monospace; font-weight: 700; font-size: 1rem; color: var(--danger); letter-spacing: .5px; }
.logo-preview { border: 1px solid var(--line); border-radius: var(--radius); padding: 12px; background: #f7f9fc; display: inline-flex; align-items: center; gap: 12px; }


/* ---------- Lịch công tác ---------- */
.ss-morning   { background: #fff6e0; color: #8a5b00; border-color: #f0dcae; }
.ss-afternoon { background: #e6f0ff; color: #14448f; border-color: #c5daff; }
.ss-evening   { background: #efeafc; color: #4b3f96; border-color: #d9d3f2; }
.ss-allday    { background: #e6f5ed; color: #147d4b; border-color: #bfe3d0; }

table.data.lich tr.lich-day > td { background: var(--navy-050); border-top: 2px solid var(--navy-600); }
table.data.lich tr.lich-day.is-today > td { background: #fff6e0; border-top-color: #b3261e; }
table.data.lich td.t-act { white-space: normal; width: 74px; }
table.data.lich td.t-act .btn { display: block; margin-bottom: 4px; padding: 4px 6px; width: 100%; }
table.data.lich { min-width: 900px; }

table.month-grid { width: 100%; border-collapse: collapse; table-layout: fixed; min-width: 860px; }
table.month-grid th {
    background: var(--navy-050); color: var(--navy-900); font-size: .76rem; text-transform: uppercase;
    padding: 7px 6px; border: 1px solid var(--line); letter-spacing: .03em;
}
table.month-grid td {
    border: 1px solid var(--line); vertical-align: top; height: 108px; padding: 5px 6px; background: #fff;
}
table.month-grid td.out { background: #f7f9fc; }
table.month-grid td.out .d-num a { color: #a8b3c2; }
table.month-grid td.today { background: #fffbf0; box-shadow: inset 0 3px 0 #b3261e; }
.month-grid .d-num { display: flex; align-items: center; justify-content: space-between; margin-bottom: 4px; }
.month-grid .d-num a { font-weight: 700; color: var(--navy-800); font-size: .86rem; }
.month-grid .d-add { color: var(--ink-soft); font-size: .9rem; text-decoration: none; }
.month-grid .d-add:hover { color: var(--navy-600); }
.month-grid .d-ev {
    font-size: .74rem; line-height: 1.25; padding: 3px 5px; border-radius: 4px;
    margin-bottom: 3px; border: 1px solid transparent; overflow: hidden;
}
.month-grid .d-ev .d-ss { font-weight: 700; margin-right: 3px; }
.month-grid .d-ev .d-loc { opacity: .8; font-size: .7rem; }
.month-grid .d-more { font-size: .72rem; color: var(--ink-soft); font-style: italic; }

/* ---------- Cấu hình Telegram ---------- */
.tg-events { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 4px 14px; }
.tg-events label { display: flex; align-items: center; gap: 6px; font-size: .85rem; font-weight: 500; }
.tg-events input { width: auto; }
.tg-status { display: inline-flex; align-items: center; gap: 6px; font-weight: 700; font-size: .85rem; }

/* ---------- Tiện ích ---------- */
.muted { color: var(--ink-soft); }
.small { font-size: .82rem; }
.strong { font-weight: 700; }
.nowrap { white-space: nowrap; }
.mb-0 { margin-bottom: 0; }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mb-2 { margin-bottom: 16px; }
.flex { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.flex-end { justify-content: flex-end; }
.text-right { text-align: right; }
.text-center { text-align: center; }
.divider { height: 1px; background: var(--line); margin: 14px 0; }
.pre-wrap { white-space: pre-wrap; }
.kv { display: grid; grid-template-columns: 155px 1fr; gap: 7px 12px; font-size: .89rem; }
.kv dt { color: var(--ink-soft); }
.kv dd { margin: 0; }
details.box { border: 1px solid var(--line); border-radius: var(--radius); padding: 10px 13px; background: #fff; margin-bottom: 12px; }
details.box > summary { cursor: pointer; font-weight: 600; color: var(--navy-800); }
details.box > div { margin-top: 12px; }

/* ---------- Điện thoại ---------- */
@media (max-width: 900px) {
    .grid.cols-4 { grid-template-columns: repeat(2, minmax(0,1fr)); }
    .grid.cols-3 { grid-template-columns: repeat(2, minmax(0,1fr)); }
    .grid.side   { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
    .menu-toggle { display: inline-block; }
    .sidebar {
        position: fixed; left: 0; top: 0; bottom: 0; z-index: 60;
        transform: translateX(-100%); transition: transform .18s ease-out; height: 100vh;
    }
    body.nav-open .sidebar { transform: translateX(0); box-shadow: 0 0 40px rgba(0,0,0,.4); }
    body.nav-open .backdrop { display: block; }
    .backdrop { display: none; position: fixed; inset: 0; background: rgba(6,18,36,.5); z-index: 50; }
    .content { padding: 14px; }
    .grid.cols-2, .grid.cols-3, .grid.cols-4 { grid-template-columns: 1fr; }
    .kv { grid-template-columns: 1fr; gap: 2px 0; }
    .kv dt { margin-top: 8px; font-size: .8rem; }
    .topbar .who { display: none; }
    table.data { font-size: .84rem; }
    table.data th, table.data td { padding: 7px 8px; }
}

/* ---------- In ấn ---------- */
@media print {
    .sidebar, .topbar, .no-print, .backdrop { display: none !important; }
    body { background: #fff; font-size: 12pt; }
    .content { padding: 0; }
    .card { border: 0; box-shadow: none; }
}