/* ===== Theme "Hồ sơ" – giao diện nghiệp vụ, không phụ thuộc tài nguyên ngoài ===== */
:root {
  --tn-navy: #0f2238;
  --tn-navy-2: #16324f;
  --tn-accent: #2f6fe4;
  --tn-accent-2: #1d56b8;
  --tn-accent-soft: #e8f0fd;
  --tn-bg: #f4f6fa;
  --tn-card: #ffffff;
  --tn-border: #e4e8ee;
  --tn-border-2: #d5dbe5;
  --tn-text: #1e293b;
  --tn-muted: #64748b;
  --tn-radius: 12px;
  --tn-shadow: 0 1px 2px rgba(15,23,42,.04), 0 2px 8px rgba(15,23,42,.05);
  --bs-body-font-family: "Inter", "Segoe UI", system-ui, -apple-system, Roboto, "Helvetica Neue", Arial, sans-serif;
  --bs-body-color: var(--tn-text);
  --bs-primary: var(--tn-accent);
  --bs-primary-rgb: 47, 111, 228;
  --bs-link-color: var(--tn-accent-2);
  --bs-link-hover-color: var(--tn-accent);
  --bs-link-decoration: none;
  --bs-border-color: var(--tn-border);
  --bs-border-radius: 8px;
}

html { font-size: 14px; }
body { background: var(--tn-bg); color: var(--tn-text); margin: 0; min-height: 100vh; -webkit-font-smoothing: antialiased; font-feature-settings: "cv05", "cv11"; }   /* Inter: l có chân, a một tầng – dễ đọc hơn */
.table, .tn-stat .v, input[type=number] { font-variant-numeric: tabular-nums; }
a:hover { text-decoration: underline; }
h1, h2, h3, h4, h5, h6 { color: var(--tn-navy); font-weight: 600; letter-spacing: -.01em; }
.tn-ico { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; flex: 0 0 auto; vertical-align: -3px; }

/* ---------- Thanh menu trên ---------- */
.tn-topnav { background: var(--tn-navy); color: #c7d2e0; position: sticky; top: 0; z-index: 50; border-bottom: 1px solid rgba(255,255,255,.06); box-shadow: 0 1px 0 rgba(0,0,0,.2), 0 4px 16px rgba(15,23,42,.18); }
.tn-topnav-inner { display: flex; align-items: center; gap: 18px; padding: 0 20px; height: 56px; }
.tn-brand { display: flex; align-items: center; gap: 10px; color: #fff; text-decoration: none !important; white-space: nowrap; padding-right: 14px; border-right: 1px solid rgba(255,255,255,.1); }
.tn-brand .tn-ico { width: 26px; height: 26px; color: #7fb3ff; stroke-width: 1.6; }
.tn-brand b { display: block; font-size: 14px; line-height: 1.15; font-weight: 600; }
.tn-brand small { display: block; color: #8fa3bd; font-size: 10.5px; margin-top: 1px; }
.tn-nav { display: flex; gap: 2px; align-items: center; }
.tn-nav a { color: #c7d2e0; text-decoration: none !important; padding: 0 12px; height: 36px; white-space: nowrap; display: inline-flex; align-items: center; gap: 7px; font-size: 13.5px; font-weight: 500; border-radius: 8px; transition: background .12s, color .12s; }
.tn-nav a .tn-ico { width: 17px; height: 17px; opacity: .9; }
.tn-nav a:hover { color: #fff; background: rgba(255,255,255,.08); }
.tn-nav a.active { color: #fff; background: var(--tn-accent); box-shadow: 0 2px 8px rgba(47,111,228,.35); }
.tn-nav a.tn-nav-quick { color: #ffd27a; }
.tn-nav a.tn-nav-quick.active { color: #fff; }
.tn-topnav-right { margin-left: auto; display: flex; align-items: center; gap: 10px; min-width: 0; }
.tn-page-title { color: #fff; font-weight: 600; font-size: 13.5px; white-space: nowrap; }
.tn-crumb { color: #8fa3bd; font-size: 12.5px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 260px; }
.tn-userbtn { display: inline-flex; align-items: center; gap: 8px; background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.14); color: #e2e8f0; border-radius: 999px; padding: 3px 12px 3px 3px; font-size: 13px; font-weight: 500; max-width: 220px; }
.tn-userbtn:hover { background: rgba(255,255,255,.12); color: #fff; }
.tn-userbtn .tn-user-name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.tn-avatar { width: 26px; height: 26px; border-radius: 50%; background: linear-gradient(135deg, #5b9dff, #2f6fe4); color: #fff; display: inline-flex; align-items: center; justify-content: center; font-size: 12.5px; font-weight: 700; flex: 0 0 auto; }
.tn-user .dropdown-menu { font-size: 13.5px; border: 1px solid var(--tn-border); border-radius: 10px; box-shadow: 0 10px 30px rgba(15,23,42,.14); padding: 6px; min-width: 230px; }
.tn-user .dropdown-item { border-radius: 7px; padding: 7px 10px; display: flex; align-items: center; gap: 9px; }
.tn-user .dropdown-item .tn-ico { width: 16px; height: 16px; color: var(--tn-muted); }
.tn-user .dropdown-item:hover { background: var(--tn-accent-soft); color: var(--tn-navy); }
.tn-user .dropdown-item-text { padding: 6px 10px 4px; }
.tn-content { padding: 22px 24px 48px; max-width: 1500px; margin: 0 auto; }

/* ---------- Thẻ, bảng, form ---------- */
.card { border: 1px solid var(--tn-border); border-radius: var(--tn-radius); box-shadow: var(--tn-shadow); background: var(--tn-card); }
.card-header { background: #fff; border-bottom: 1px solid var(--tn-border); font-weight: 600; color: var(--tn-navy); padding: 12px 16px; border-radius: var(--tn-radius) var(--tn-radius) 0 0 !important; font-size: 14px; }
.card-body { padding: 16px; }
.card-footer { border-top: 1px solid var(--tn-border); padding: 12px 16px; border-radius: 0 0 var(--tn-radius) var(--tn-radius) !important; }
.card > .table-responsive:first-child .table { border-top-left-radius: var(--tn-radius); border-top-right-radius: var(--tn-radius); }
.card > .table-responsive { border-radius: var(--tn-radius); }

.table { --bs-table-striped-bg: #f8fafc; --bs-table-border-color: #eef1f5; font-size: 13.5px; margin-bottom: 0; }
.table > :not(caption) > * > * { padding: .6rem .75rem; vertical-align: middle; }
.table thead th { background: #f7f9fc; color: #64748b; font-weight: 600; font-size: 11.5px; text-transform: uppercase; letter-spacing: .5px; border-bottom: 1px solid var(--tn-border); white-space: nowrap; }
.table tbody tr:last-child > * { border-bottom: 0; }
.table-hover > tbody > tr:hover > * { background: #f3f7fe; }
.table-warning > * { --bs-table-bg: #fff7dc; }
.table td a { font-weight: 500; }

.form-label { font-size: 12.5px; color: #475569; margin-bottom: 4px; font-weight: 600; }
.form-control, .form-select { border-color: var(--tn-border-2); border-radius: 8px; padding: .45rem .7rem; font-size: 13.5px; color: var(--tn-text); transition: border-color .12s, box-shadow .12s; }
.form-control-sm, .form-select-sm { padding: .3rem .55rem; font-size: 13px; border-radius: 7px; }
.form-control-lg { border-radius: 10px; }
.form-control:hover, .form-select:hover { border-color: #b9c3d2; }
.form-control:focus, .form-select:focus { border-color: var(--tn-accent); box-shadow: 0 0 0 3px rgba(47,111,228,.15); }
.form-control::placeholder { color: #a3aebc; }
.form-text { color: var(--tn-muted); font-size: 12px; }
.form-check-input { border-color: var(--tn-border-2); }
.form-check-input:checked { background-color: var(--tn-accent); border-color: var(--tn-accent); }
.form-switch .form-check-input { width: 2.4em; height: 1.3em; margin-top: .1em; }
.input-group-text { background: #f7f9fc; border-color: var(--tn-border-2); color: var(--tn-muted); border-radius: 8px; }
.btn { border-radius: 8px; font-weight: 600; font-size: 13.5px; padding: .45rem .9rem; letter-spacing: .1px; }
.btn-sm { font-size: 12.5px; padding: .3rem .65rem; border-radius: 7px; }
.btn-lg { border-radius: 10px; font-size: 15px; }
.btn-primary { --bs-btn-bg: var(--tn-accent); --bs-btn-border-color: var(--tn-accent); --bs-btn-hover-bg: var(--tn-accent-2); --bs-btn-hover-border-color: var(--tn-accent-2); --bs-btn-active-bg: var(--tn-accent-2); box-shadow: 0 1px 2px rgba(47,111,228,.25); }
.btn-outline-primary { --bs-btn-color: var(--tn-accent-2); --bs-btn-border-color: #bfd2f3; --bs-btn-hover-bg: var(--tn-accent-soft); --bs-btn-hover-color: var(--tn-accent-2); --bs-btn-hover-border-color: #9dbbee; --bs-btn-active-bg: var(--tn-accent); --bs-btn-active-border-color: var(--tn-accent); }
.btn-outline-secondary { --bs-btn-color: #475569; --bs-btn-border-color: var(--tn-border-2); --bs-btn-hover-bg: #f1f5f9; --bs-btn-hover-color: var(--tn-navy); --bs-btn-hover-border-color: #b9c3d2; }
.btn-outline-dark { --bs-btn-color: var(--tn-navy); --bs-btn-border-color: #c9d2de; --bs-btn-hover-bg: var(--tn-navy); --bs-btn-hover-border-color: var(--tn-navy); }
.btn-outline-danger { --bs-btn-border-color: #f1c0c0; --bs-btn-hover-bg: #dc3545; }
.btn-dark { --bs-btn-bg: var(--tn-navy); --bs-btn-border-color: var(--tn-navy); --bs-btn-hover-bg: var(--tn-navy-2); --bs-btn-hover-border-color: var(--tn-navy-2); }
.btn-success { --bs-btn-bg: #16a34a; --bs-btn-border-color: #16a34a; --bs-btn-hover-bg: #15803d; --bs-btn-hover-border-color: #15803d; }
.btn-light { --bs-btn-bg: #f1f5f9; --bs-btn-border-color: #f1f5f9; }
.bg-light { background: #f8fafc !important; }
.alert { border-radius: 10px; border-width: 1px; font-size: 13.5px; }
.alert-success { --bs-alert-bg: #ecfdf3; --bs-alert-border-color: #bbf0cf; --bs-alert-color: #166534; }
.alert-danger { --bs-alert-bg: #fef2f2; --bs-alert-border-color: #f9c9c9; --bs-alert-color: #991b1b; }
.alert-warning { --bs-alert-bg: #fffbeb; --bs-alert-border-color: #fde68a; --bs-alert-color: #854d0e; }
.badge { font-weight: 600; letter-spacing: .1px; border-radius: 6px; padding: .35em .55em; }
.nav-tabs { border-bottom: 1px solid var(--tn-border); gap: 2px; }
.nav-tabs .nav-link { color: var(--tn-muted); font-weight: 500; font-size: 13.5px; border: 0; border-bottom: 2px solid transparent; padding: 9px 14px; border-radius: 0; margin-bottom: -1px; }
.nav-tabs .nav-link:hover { color: var(--tn-navy); border-bottom-color: #c9d6ea; }
.nav-tabs .nav-link.active { color: var(--tn-accent-2); background: transparent; border-bottom-color: var(--tn-accent); font-weight: 600; }
details > summary { list-style: none; cursor: pointer; }
details > summary::-webkit-details-marker { display: none; }
details > summary::before { content: "▸"; display: inline-block; margin-right: 6px; transition: transform .12s; color: var(--tn-muted); }
details[open] > summary::before { transform: rotate(90deg); }
code { color: #b42318; background: #fdf2f2; padding: 1px 5px; border-radius: 4px; font-size: 12.5px; }
pre { border-radius: 8px; }

/* ---------- Thanh bước (wizard) ---------- */
.tn-steps { display: flex; gap: 6px; margin-bottom: 18px; flex-wrap: wrap; }
.tn-steps a, .tn-steps span {
  display: inline-flex; align-items: center; gap: 8px; padding: 6px 14px 6px 6px; border-radius: 999px; text-decoration: none !important;
  background: #fff; border: 1px solid var(--tn-border); color: #475569; font-size: 13px; font-weight: 500; box-shadow: var(--tn-shadow);
}
.tn-steps .n { width: 22px; height: 22px; border-radius: 50%; background: #e8edf4; color: #334155; display: inline-flex; align-items: center; justify-content: center; font-size: 12px; font-weight: 700; }
.tn-steps a:hover { border-color: #bfd2f3; color: var(--tn-accent-2); }
.tn-steps .active { background: var(--tn-navy); border-color: var(--tn-navy); color: #fff; }
.tn-steps .active .n { background: var(--tn-accent); color: #fff; }

/* ---------- Tiêu đề trang + số liệu ---------- */
.tn-page-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 12px; margin-bottom: 18px; flex-wrap: wrap; }
.tn-page-head h2 { font-size: 21px; font-weight: 700; color: var(--tn-navy); margin: 0; letter-spacing: -.015em; }
.tn-page-head .sub { color: var(--tn-muted); font-size: 13px; margin-top: 3px; max-width: 900px; }
.tn-stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 12px; margin-bottom: 18px; }
.tn-stat { background: #fff; border: 1px solid var(--tn-border); border-radius: var(--tn-radius); padding: 14px 16px; box-shadow: var(--tn-shadow); position: relative; overflow: hidden; }
.tn-stat::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 3px; background: var(--tn-accent); opacity: .8; }
.tn-stat .v { font-size: 24px; font-weight: 700; color: var(--tn-navy); line-height: 1.1; letter-spacing: -.02em; font-variant-numeric: tabular-nums; }
.tn-stat .l { font-size: 12px; color: var(--tn-muted); margin-top: 4px; }

.badge-type { font-weight: 600; font-size: 11.5px; padding: .3em .55em; border-radius: 6px; background: var(--tn-accent-soft); color: #1e3a5f; }
.mono { font-variant-numeric: tabular-nums; }

/* ---------- Khung xem trước bản vẽ ---------- */
.tn-preview { background: #e3e8f0; border-radius: 0 0 var(--tn-radius) var(--tn-radius); padding: 14px; overflow: auto; }
.tn-preview .sheet { background: #fff; box-shadow: 0 8px 28px rgba(15,23,42,.2); border-radius: 2px; }

/* biểu đồ thống kê */
.tn-chart { width: 100%; height: auto; max-height: 230px; display: block; }

/* ---------- Khung xem bản vẽ: toàn màn hình, zoom ---------- */
.tn-viewer { position: relative; overflow: hidden; touch-action: none; }
.tn-viewer .sheet { will-change: transform; }
/* thanh nút nằm trong dải đệm phía trên tờ giấy (không đè lên nội dung) */
.tn-viewer { padding-top: 36px !important; }
.tn-viewer-bar { position: absolute; top: 4px; right: 8px; z-index: 5; display: flex; gap: 2px; align-items: center; background: rgba(255,255,255,.85); border: 1px solid rgba(0,0,0,.08); border-radius: 7px; padding: 2px; }
.tn-viewer-bar button { border: 0; background: none; width: 26px; height: 26px; border-radius: 5px; font-size: 14px; line-height: 1; color: #1e3a5f; padding: 0; }
.tn-viewer-bar button:hover { background: #e8eef7; }
.tn-viewer-zoom { font-size: 10.5px; color: #64748b; padding: 0 6px; }
.tn-viewer-zoom:empty { display: none; }
.tn-viewer-fs { position: fixed !important; inset: 0; z-index: 1050; background: #cfd6e0; border-radius: 0 !important; padding: 44px 12px 12px !important; display: flex; align-items: center; justify-content: center; }
.tn-viewer-fs .sheet { max-height: none; width: min(100%, calc((100vh - 56px) * 1.414)); }
.tn-viewer-fs .tn-viewer-bar { top: 6px; right: 12px; }
.tn-viewer-fs .tn-viewer-bar button { width: 32px; height: 32px; font-size: 16px; }
body.tn-noscroll { overflow: hidden; }

/* badge trạng thái lưu + nháy dòng vừa thay đổi */
.tn-save-badge { font-size: 12px; padding: 3px 9px; border-radius: 999px; background: #e8f5e9; color: #1b5e20; white-space: nowrap; }
.tn-save-badge.saving { background: #fff7dc; color: #7a5a00; }
.tn-save-badge.err { background: #fde8e8; color: #9b1c1c; }
tr.tn-flash > td { animation: tnflash 1.5s ease-out; }
@keyframes tnflash { from { background: #fff3bf; } to { background: transparent; } }

/* kéo-thả trên bản vẽ */
.tn-sketch .tn-item.dragging { opacity: .6; }
.tn-sketch .tn-item:hover rect, .tn-sketch .tn-item:hover circle { filter: drop-shadow(0 0 1px #2f80ed); }

/* ---------- Chế độ nhập nhanh (hiện trường) ---------- */
.tn-quick { max-width: 640px; margin: 0 auto; }
.tn-quick .form-control-lg { font-size: 18px; min-height: 48px; }
.tn-quick .btn-lg { min-height: 52px; font-size: 17px; }
.tn-quick-list { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
.tn-chip { background: var(--tn-accent-soft); color: #1e3a5f; border-radius: 999px; padding: 4px 10px; font-size: 12.5px; white-space: nowrap; font-weight: 500; }
.tn-chips { display: flex; flex-wrap: wrap; gap: 6px; }
.tn-chip-btn { border: 1px solid #c9d6e8; background: #fff; border-radius: 999px; padding: 8px 12px; font-size: 13.5px; color: #1e3a5f; min-height: 40px; }
.tn-chip-btn.active { background: var(--tn-accent); border-color: var(--tn-accent); color: #fff; }
.tn-seg { display: flex; gap: 4px; background: #eef2f7; border-radius: 10px; padding: 4px; overflow-x: auto; }
.tn-seg-item { flex: 1; min-width: 0; }
.tn-seg-item input { display: none; }
.tn-seg-item span { display: block; text-align: center; padding: 10px 6px; border-radius: 8px; font-size: 13.5px; white-space: nowrap; color: #475569; cursor: pointer; }
.tn-seg-item input:checked + span { background: #fff; color: var(--tn-navy); font-weight: 600; box-shadow: 0 1px 3px rgba(16,24,40,.15); }
.tn-quick details summary { cursor: pointer; }
.tn-ai { max-width: 860px; }
.tn-ai-missing { border-color: #ef4444 !important; background: #fff5f5; }
.tn-ai-ev .form-text { font-size: 11px; }
.tn-ai-card { border: 1px dashed #2f80ed; background: #f4f8ff; }

/* ---------- Bảng xếp dọc trên màn hẹp: mỗi ô thành một dòng "nhãn: giá trị" ---------- */
@media (max-width: 767.98px) {
  .tn-stack thead { display: none; }
  .tn-stack, .tn-stack tbody, .tn-stack tr, .tn-stack td { display: block; width: 100%; }
  .tn-stack tr { border: 1px solid var(--tn-border); border-radius: 10px; margin: 10px 0; background: #fff; padding: 6px 4px; }
  .tn-stack td { border: 0; padding: 4px 10px !important; text-align: left !important; display: flex; gap: 10px; align-items: baseline; }
  .tn-stack td::before { content: attr(data-label); flex: 0 0 34%; color: #64748b; font-size: 11.5px; text-transform: uppercase; letter-spacing: .3px; }
  .tn-stack td[data-label=""]::before, .tn-stack td:not([data-label])::before { display: none; }
  .tn-stack td.tn-actions { justify-content: flex-end; flex-wrap: wrap; gap: 6px; padding-top: 8px !important; border-top: 1px dashed var(--tn-border); margin-top: 4px; }
  .tn-stack td.tn-actions form { display: inline; }
  .tn-stack td.tn-title { font-weight: 600; font-size: 15px; }
  .tn-stack .text-nowrap { white-space: normal !important; }
  .tn-stack td br { display: none; }
}

@media (min-width: 992px) and (max-width: 1240px) {
  .tn-topnav-inner { gap: 12px; padding: 0 14px; }
  .tn-nav a { padding: 0 9px; font-size: 13px; gap: 5px; }
  .tn-brand small { display: none; }
  .tn-crumb { display: none; }
}

/* ---------- Trang hẹp ---------- */
@media (max-width: 992px) {
  .tn-topnav-inner { height: auto; flex-wrap: wrap; padding: 8px 12px 0; gap: 6px; }
  .tn-brand b { font-size: 13.5px; }
  .tn-nav { order: 3; width: calc(100% + 24px); margin: 4px -12px 0; overflow-x: auto; -webkit-overflow-scrolling: touch; scrollbar-width: none; padding: 0 12px; }
  .tn-nav::-webkit-scrollbar { display: none; }
  .tn-nav { padding-bottom: 8px; }
  .tn-nav a { height: 34px; white-space: nowrap; padding: 0 11px; font-size: 13px; }
  .tn-brand { border-right: 0; padding-right: 0; }
  .tn-topnav-right { margin-left: auto; }
  .tn-topnav-right .tn-page-title, .tn-topnav-right .tn-crumb, .tn-user-name { display: none; }
  .tn-userbtn { padding: 2px; border-radius: 50%; }
  .tn-content { padding: 14px 12px 40px; }
  .tn-page-head h2 { font-size: 18px; }
  .tn-page-head > .btn, .tn-page-head > .d-flex { width: 100%; }
  .tn-page-head > .d-flex { flex-wrap: wrap; }
  .tn-steps a, .tn-steps span { padding: 6px 10px 6px 6px; font-size: 12.5px; }
  .nav-tabs { flex-wrap: nowrap; overflow-x: auto; scrollbar-width: none; }
  .nav-tabs .nav-link { white-space: nowrap; }
  .card-body { padding: 12px; }
  .tn-preview { padding: 8px; }
  .tn-viewer { padding-top: 36px !important; }
  .btn-sm { min-height: 36px; }                      /* dễ bấm bằng ngón tay */
  .form-control-sm, .form-select-sm { min-height: 36px; font-size: 14px; }
  input[type="number"], input[type="text"], select, textarea { font-size: 16px !important; }   /* iOS không tự zoom khi focus */
}
@media print { .tn-topnav { display: none; } .tn-content { padding: 0; } }