/* BondDoc — design system (TCBS identity, modern). Không phụ thuộc CDN. */
:root{
  --tcbs-red:#e0115f; --tcbs-red-dark:#c40e52; --tcbs-red-light:#ffe8f0;
  --violet:#7b2ff7; --grad:linear-gradient(135deg,#ff2e63,#7b2ff7);
  --ink:#0f0b1d; --ink2:#161224; --ink-line:rgba(255,255,255,.08);
  --dark:#1A1A1A; --g900:#1F2937; --g700:#374151; --g500:#6B7280;
  --g400:#9CA3AF; --g300:#D1D5DB; --g200:#E5E7EB; --g100:#F3F4F6; --g50:#F9FAFB; --white:#fff;
  --success:#10B981; --warning:#F59E0B; --error:#EF4444; --info:#3B82F6;
  --radius:14px; --radius-sm:10px;
  --shadow:0 1px 2px rgba(16,24,40,.06),0 1px 3px rgba(16,24,40,.1);
  --shadow-md:0 4px 6px -1px rgba(16,24,40,.08),0 10px 24px -6px rgba(16,24,40,.12);
  --shadow-lg:0 24px 48px -12px rgba(16,24,40,.24);
  --sidebar:264px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:'Inter','SF Pro Display',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;
  color:var(--g900); background:
    radial-gradient(1200px 500px at 85% -10%, #f4edff 0%, rgba(255,255,255,0) 55%),
    radial-gradient(900px 420px at -10% 110%, #ffeef4 0%, rgba(255,255,255,0) 50%),
    linear-gradient(180deg,#fbfafd 0%,#f6f5f9 100%);
  background-attachment:fixed; min-height:100vh; font-size:14.5px; line-height:1.55;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{margin:0;font-family:'Sora','Inter',sans-serif;font-weight:700;letter-spacing:-.02em;color:var(--dark)}
p{margin:.4em 0}

/* ── Layout shell ── */
.app{display:flex;min-height:100vh}
.sidebar{
  width:var(--sidebar);position:fixed;top:0;bottom:0;left:0;
  background:linear-gradient(180deg,#120d22 0%,#0a0813 100%);
  border-right:1px solid var(--ink-line);display:flex;flex-direction:column;z-index:20;color:#e7e3f2;
}
.brand{display:flex;align-items:center;gap:11px;padding:20px 20px 16px}
.brand .logo{width:38px;height:38px;flex:none}
.brand .name{font-family:'Sora','Inter',sans-serif;font-weight:700;font-size:16px;color:#fff;letter-spacing:2px}
.brand .name span{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.brand .tag{font-size:11px;color:#7d7794;font-weight:500;margin-top:0}
.nav{padding:6px 12px;overflow-y:auto;flex:1}
.nav .group{font-size:10.5px;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:#5f5876;padding:16px 12px 6px}
.nav a{
  display:flex;align-items:center;gap:11px;padding:9px 12px;border-radius:10px;color:#b4aecb;
  font-weight:500;margin:2px 0;transition:.15s;position:relative;font-size:14px;
}
.nav a .ic{width:20px;text-align:center;font-size:16px;opacity:.9}
.nav a:hover{background:rgba(255,255,255,.06);color:#fff}
.nav a.on{background:linear-gradient(90deg,rgba(255,46,99,.18),rgba(123,47,247,.12));color:#fff;font-weight:600}
.nav a.on::before{content:"";position:absolute;left:0;top:7px;bottom:7px;width:3px;border-radius:3px;background:var(--grad)}
.sidebar .foot{padding:14px;border-top:1px solid var(--ink-line)}

.main{margin-left:var(--sidebar);flex:1;display:flex;flex-direction:column;min-width:0}
.topbar{
  position:sticky;top:0;z-index:15;display:flex;align-items:center;justify-content:space-between;
  padding:14px 30px;background:rgba(255,255,255,.8);backdrop-filter:blur(10px);border-bottom:1px solid var(--g200);
}
.topbar .title{font-family:'Sora','Inter',sans-serif;font-size:18px;font-weight:700;letter-spacing:-.02em}
.topbar .sub{font-size:12.5px;color:var(--g500);font-weight:500}
/* Nội dung: co giãn theo màn — dùng gần hết chiều rộng, căn giữa trên màn siêu rộng,
   padding tự nới bằng clamp. Không còn bị "thu nhỏ" lệch trái. */
.content{padding:26px clamp(18px,3vw,56px) 64px;max-width:1760px;width:100%;margin:0 auto}
.content.content-wide{max-width:none}

/* Live document preview (soạn block) */
.doc-live{background:#fff;border:1px solid var(--g200);border-radius:12px;padding:24px 28px;overflow:auto;
  font-family:'Inter','SF Pro Display',sans-serif;line-height:1.7;color:var(--g700);font-size:14px}
.doc-live .doc-h{font-weight:700;color:var(--dark);margin:16px 0 8px;font-size:15.5px}
.doc-live p{margin:9px 0}
.doc-tbl{border-collapse:collapse;width:100%;font-size:13px;margin:10px 0}
.doc-tbl td{border:1px solid var(--g200);padding:7px 10px;vertical-align:top}
.doc-tbl tr:nth-child(even){background:var(--g50)}
/* Ô soạn cao theo NỘI DUNG block (không ép màn trắng dài) */
.doc-live[contenteditable]{min-height:120px;transition:box-shadow .15s}
.doc-live[contenteditable]:focus{outline:none;box-shadow:0 0 0 4px rgba(255,46,99,.15);border-color:#ff2e63}
/* Trong ô soạn: biến chuẩn (đã khai báo chèn dữ liệu) = ĐEN, gạch chân nhẹ — BẤM để đổi biến */
.doc-live .merge-filled{background:none;border:none;border-bottom:1.5px dotted var(--g400);
  color:var(--dark);font-weight:600;padding:0 1px;border-radius:0;cursor:pointer;user-select:none}
.doc-live .merge-filled:hover{background:#F3F4F6;border-bottom-color:var(--tcbs-red)}
.doc-live .merge-filled::before{content:"";}
/* Giá trị đặc thù theo công ty (chưa có biến chuẩn) = VÀNG — BẤM để gán biến */
.doc-live .merge-missing{background:#FEF3C7;color:#92400E;padding:1px 7px;border-radius:6px;
  font-weight:700;border:1px solid #F59E0B;cursor:pointer}
.doc-live .merge-missing:hover{background:#FDE68A;box-shadow:0 0 0 2px rgba(245,158,11,.3)}

/* user chip */
.userchip{display:flex;align-items:center;gap:10px}
.avatar{width:36px;height:36px;border-radius:50%;background:var(--grad);
  color:#fff;display:grid;place-items:center;font-weight:700;font-size:14px}
.userchip .who{font-size:13px;font-weight:600;line-height:1.15}
.userchip .role{font-size:11px;color:#7d7794}

/* ── Buttons ── */
.btn{display:inline-flex;align-items:center;gap:7px;padding:9px 16px;border-radius:10px;font-weight:600;
  font-size:14px;cursor:pointer;border:1px solid transparent;transition:.15s;white-space:nowrap;font-family:inherit}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 6px 16px -4px rgba(123,47,247,.5)}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-1px);box-shadow:0 10px 22px -5px rgba(123,47,247,.6)}
.btn-outline{background:#fff;border-color:var(--g300);color:var(--g700)}
.btn-outline:hover{border-color:var(--tcbs-red);color:var(--tcbs-red)}
.btn-ghost{background:transparent;color:var(--g700)}
.btn-ghost:hover{background:var(--g100)}
.btn-sm{padding:6px 11px;font-size:12.5px;border-radius:8px}
.btn-lg{padding:12px 22px;font-size:15px}
.btn:disabled{opacity:.5;cursor:not-allowed}

/* ── Cards ── */
.card{background:var(--white);border:1px solid var(--g200);border-radius:var(--radius);box-shadow:var(--shadow)}
.card-p{padding:22px}
.card-h{padding:18px 22px;border-bottom:1px solid var(--g100);display:flex;align-items:center;justify-content:space-between}
.card-h h3{font-size:15.5px}
.grid{display:grid;gap:18px}
/* Lưới tự thêm/bớt cột theo bề rộng — responsive ở mọi kích thước, không cần media query */
.grid-2{grid-template-columns:repeat(auto-fit,minmax(320px,1fr))}
.grid-3{grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}
.grid-4{grid-template-columns:repeat(auto-fit,minmax(210px,1fr))}

/* stat cards */
.stat{background:#fff;border:1px solid var(--g200);border-radius:var(--radius);padding:18px 20px;position:relative;overflow:hidden}
.stat .k{font-size:12px;color:var(--g500);font-weight:600}
.stat .v{font-size:30px;font-weight:800;letter-spacing:-.03em;margin-top:4px}
.stat .ic{position:absolute;right:16px;top:16px;font-size:22px;opacity:.25}
.stat.red{background:linear-gradient(135deg,#fff,var(--tcbs-red-light))}

/* ── Badges ── */
.badge{display:inline-flex;align-items:center;gap:5px;padding:3px 10px;border-radius:8px;font-size:11.5px;font-weight:700;letter-spacing:.01em;white-space:nowrap;line-height:1.4}
.badge-red{background:var(--tcbs-red-light);color:var(--tcbs-red-dark)}
.badge-gray{background:var(--g100);color:var(--g600,#4B5563)}
.badge-green{background:#D1FAE5;color:#065F46}
.badge-amber{background:#FEF3C7;color:#92400E}
.badge-blue{background:#DBEAFE;color:#1E40AF}
.badge-outline{background:#fff;border:1px solid var(--g300);color:var(--g700)}
.dot{width:7px;height:7px;border-radius:50%;display:inline-block}

/* ── Tables ── */
.table{width:100%;border-collapse:collapse;font-size:14px}
.table th{text-align:left;font-size:11.5px;text-transform:uppercase;letter-spacing:.05em;color:var(--g500);
  font-weight:700;padding:11px 14px;border-bottom:1px solid var(--g200)}
.table td{padding:13px 14px;border-bottom:1px solid var(--g100);vertical-align:middle}
.table tr:last-child td{border-bottom:none}
.table tbody tr{transition:.12s}
.table tbody tr:hover{background:var(--g50)}
.table a.lnk{color:var(--tcbs-red-dark);font-weight:600}

/* ── Forms ── */
label.fl{display:block;font-size:12.5px;font-weight:600;color:var(--g700);margin-bottom:6px}
label.fl .req{color:var(--tcbs-red)}
.input,select.input,textarea.input{
  width:100%;padding:10px 12px;border:1px solid var(--g300);border-radius:10px;font-size:14px;font-family:inherit;
  background:#fff;transition:.15s;color:var(--g900)}
.input:focus,select.input:focus,textarea.input:focus{outline:none;border-color:#ff2e63;box-shadow:0 0 0 4px rgba(255,46,99,.15)}
textarea.input{resize:vertical;min-height:90px}
.field{margin-bottom:16px}
.switch{display:inline-flex;align-items:center;gap:9px;cursor:pointer;font-size:14px}
.switch input{display:none}
.switch .track{width:40px;height:22px;background:var(--g300);border-radius:999px;position:relative;transition:.2s;flex:none}
.switch .track::after{content:"";position:absolute;top:2px;left:2px;width:18px;height:18px;background:#fff;border-radius:50%;transition:.2s;box-shadow:var(--shadow)}
.switch input:checked+.track{background:var(--tcbs-red)}
.switch input:checked+.track::after{transform:translateX(18px)}
.help{font-size:12px;color:var(--g500);margin-top:5px}

/* ── Section header ── */
.page-head{display:flex;align-items:flex-start;justify-content:space-between;margin-bottom:22px;gap:16px;flex-wrap:wrap}
.page-head h1{font-size:24px}
.page-head .lead{color:var(--g500);font-size:14px;margin-top:4px;max-width:640px}
.toolbar{display:flex;gap:10px;align-items:center;flex-wrap:wrap}

/* ── Merge highlight ── */
.merge-filled{background:#D1FAE5;color:#065F46;padding:1px 8px;border-radius:6px;font-weight:700;border:1px solid #6EE7B7;white-space:nowrap}
.doc-live .merge-filled::before{content:"◆ ";font-size:9px;opacity:.65}
.merge-missing{background:#FEF3C7;color:#92400E;padding:1px 6px;border-radius:5px;font-weight:700;border:1px dashed #F59E0B}

/* ── Assembly / doc tree ── */
.split{display:grid;grid-template-columns:320px 1fr;gap:20px;align-items:start}
@media(max-width:980px){.split{grid-template-columns:1fr}}
.doctree .bo{margin-bottom:16px}
.doctree .bo-t{font-size:11px;font-weight:800;text-transform:uppercase;letter-spacing:.06em;color:var(--g400);margin:6px 4px}
.doc-item{display:flex;align-items:center;gap:10px;padding:11px 13px;border-radius:11px;border:1px solid var(--g200);
  background:#fff;margin-bottom:8px;cursor:pointer;transition:.15s}
.doc-item:hover{border-color:var(--tcbs-red);box-shadow:var(--shadow)}
.doc-item.on{border-color:var(--tcbs-red);background:var(--tcbs-red-light)}
.doc-item.off{opacity:.55;background:var(--g50);cursor:default}
.doc-item .t{font-weight:600;font-size:13.5px;line-height:1.25}
.doc-item .m{font-size:11.5px;color:var(--g500)}
.doc-item .badge{margin-left:auto}

.preview{background:#fff;border:1px solid var(--g200);border-radius:var(--radius);box-shadow:var(--shadow)}
.doc-paper{padding:34px 40px;font-family:'Inter','SF Pro Display',-apple-system,sans-serif;line-height:1.75;color:var(--g700);font-size:14.5px}
.doc-paper h2.dt{font-size:22px;color:var(--tcbs-red);font-weight:800;letter-spacing:-.02em}
.doc-paper .sec-h{font-weight:700;font-size:16px;margin:26px 0 10px;color:var(--dark);padding-bottom:6px;border-bottom:2px solid var(--g100)}
.doc-paper .blk{margin:12px 0}
.doc-paper .blk .bm{font-size:11px;color:var(--g400);font-weight:600;margin-bottom:3px;letter-spacing:.01em}

/* ── Rule engine explain ── */
.decision{display:flex;gap:11px;padding:11px 13px;border-radius:11px;margin-bottom:8px;border:1px solid var(--g200);background:#fff}
.decision.ok{border-left:3px solid var(--success)}
.decision.no{border-left:3px solid var(--g300);opacity:.75}
.decision .st{font-size:17px;flex:none}
.decision .bt{font-weight:600;font-size:13.5px}
.decision .rs{font-size:12px;color:var(--g500);margin-top:2px}

/* ── PageIndex tree ── */
.pi-tree{font-size:13.5px}
.pi-node{display:flex;align-items:flex-start;gap:10px;padding:8px 10px;border-radius:9px;transition:.12s;border:1px solid transparent}
.pi-node:hover{background:var(--g50);border-color:var(--g200)}
.pi-node .nid{font-family:ui-monospace,Menlo,monospace;font-size:10.5px;color:var(--g400);background:var(--g100);padding:1px 6px;border-radius:5px;flex:none;margin-top:1px}
.pi-node .nt{font-weight:600}
.pi-node .ns{font-size:12px;color:var(--g500);margin-top:2px}
.pi-node .pr{font-size:11px;color:var(--info);font-weight:600;flex:none;margin-top:1px}
.pi-branch{border-left:1.5px dashed var(--g200);margin-left:9px;padding-left:6px}

/* Sơ đồ vòng lặp nghiệp vụ (ingest) */
.loop{display:flex;align-items:stretch;gap:8px;flex-wrap:wrap}
.loop-step{flex:1;min-width:120px;background:var(--g50);border:1px solid var(--g200);border-radius:12px;padding:12px 10px;text-align:center}
.loop-step.on{background:var(--tcbs-red-light);border-color:var(--tcbs-red)}
.loop-step .ls-ic{font-size:20px}
.loop-step .ls-t{font-weight:700;font-size:12.5px;margin-top:4px;color:var(--dark)}
.loop-step .ls-d{font-size:11px;color:var(--g500);margin-top:2px}
.loop-arrow{display:flex;align-items:center;color:var(--g400);font-size:18px;font-weight:700}

/* Radio card (chọn cách cắt) */
.radio-card{display:flex;gap:10px;align-items:flex-start;padding:11px 13px;border:1px solid var(--g200);border-radius:11px;margin-bottom:8px;cursor:pointer;transition:.12s}
.radio-card:hover{border-color:var(--tcbs-red)}
.radio-card:has(input:checked){border-color:var(--tcbs-red);background:var(--tcbs-red-light)}
.radio-card input{margin-top:3px}
.radio-card .rc-d{font-size:12px;color:var(--g500);margin-top:2px}

/* Cây mục lục gọn (source view) */
.tree-row{border-left:1.5px solid var(--g100)}
.tree-line{display:flex;align-items:center;gap:8px;padding:6px 8px;border-radius:8px;transition:.1s}
.tree-line:hover{background:var(--g50)}
.tree-dot{width:6px;height:6px;border-radius:50%;background:var(--g300);flex:none}
.tree-title{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.tree-actions{display:flex;gap:2px;opacity:0;transition:.1s;flex:none}
.tree-line:hover .tree-actions{opacity:1}
/* Nhãn cấp L1/L2/L3 — hằng số theo cấp, không phụ thuộc lá/khung */
.lvl-tag{flex:none;font-size:10px;font-weight:800;letter-spacing:.03em;padding:1px 6px;border-radius:5px;color:#fff}
.lvl-tag-0{background:var(--tcbs-red)}
.lvl-tag-1{background:#f0870f}
.lvl-tag-2{background:var(--g400)}
/* Kiểu chữ theo cấp — mọi mục cùng cấp trông y nhau */
.tree-line.lvl-0 .tree-title{font-weight:800;color:var(--dark);font-size:14.5px}
.tree-line.lvl-0 .tree-dot{background:var(--tcbs-red);width:9px;height:9px}
.tree-line.lvl-1 .tree-title{font-weight:700;color:var(--dark);font-size:13.5px}
.tree-line.lvl-1 .tree-dot{background:#f0870f;width:7px;height:7px}
.tree-line.lvl-2 .tree-title{font-weight:500;color:var(--g700);font-size:13px}
.tree-line.lvl-2 .tree-dot{background:var(--g300)}

/* ── Trace timeline ── */
.timeline{position:relative;padding-left:26px}
.timeline::before{content:"";position:absolute;left:9px;top:6px;bottom:6px;width:2px;background:var(--g200)}
.tl-item{position:relative;margin-bottom:16px}
.tl-item .tl-dot{position:absolute;left:-26px;top:2px;width:20px;height:20px;border-radius:50%;display:grid;place-items:center;font-size:11px;color:#fff}
.tl-item.reason .tl-dot{background:var(--info)}
.tl-item.tool .tl-dot{background:var(--tcbs-red)}
.tl-item.answer .tl-dot{background:var(--success)}
.tl-item .tl-card{background:#fff;border:1px solid var(--g200);border-radius:11px;padding:12px 14px;box-shadow:var(--shadow)}
.tl-item .tl-k{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.05em;color:var(--g400);margin-bottom:4px}
.tl-item .tl-code{font-family:ui-monospace,Menlo,monospace;font-size:12px;background:var(--g50);border:1px solid var(--g100);border-radius:7px;padding:6px 8px;margin-top:6px;color:var(--g700);white-space:pre-wrap;word-break:break-word}

/* ── Misc ── */
.empty{text-align:center;padding:50px 20px;color:var(--g500)}
.empty .ic{font-size:44px;opacity:.5}
.chips{display:flex;gap:6px;flex-wrap:wrap}
.hr{height:1px;background:var(--g100);margin:18px 0;border:none}
.callout{display:flex;gap:12px;padding:14px 16px;border-radius:12px;font-size:13.5px}
.callout.info{background:#EFF6FF;color:#1E3A8A;border:1px solid #BFDBFE}
.callout.warn{background:#FFFBEB;color:#92400E;border:1px solid #FDE68A}
.callout.ok{background:#ECFDF5;color:#065F46;border:1px solid #A7F3D0}
.spin{display:inline-block;width:16px;height:16px;border:2px solid rgba(255,255,255,.4);border-top-color:#fff;border-radius:50%;animation:sp .7s linear infinite}
@keyframes sp{to{transform:rotate(360deg)}}
.htmx-request .hide-on-load{display:none}
.htmx-indicator{opacity:0;transition:.2s}
.htmx-request .htmx-indicator{opacity:1}
.mono{font-family:ui-monospace,Menlo,monospace;font-size:12px}
.text-muted{color:var(--g500)}
.mt{margin-top:16px}.mt2{margin-top:24px}.mb{margin-bottom:16px}

/* Màn hẹp hơn: thu sidebar để nội dung có chỗ (biến --sidebar dùng chung width + margin) */
@media(max-width:1200px){:root{--sidebar:232px}}
@media(max-width:900px){:root{--sidebar:200px} .topbar{padding:12px 16px}}
.flex{display:flex}.between{justify-content:space-between}.items-center{align-items:center}.gap{gap:10px}.wrap{flex-wrap:wrap}