/* ======================================================
   BrSE SOP Hub — Design System (Japanese Enterprise Style)
   File này chứa TOÀN BỘ CSS của dự án.
   Muốn sửa giao diện → chỉ cần mở file này.
   ====================================================== */

:root{
  --c-primary:#0056b3;
  --c-primary-dark:#003d80;
  --c-primary-tint:#e8f1fa;
  --c-bg:#F8F9FA;
  --c-surface:#FFFFFF;
  --c-text:#333333;
  --c-text-soft:#555555;
  --c-text-muted:#777777;
  --c-border:#E5E7EB;
  --c-border-strong:#CBD5E0;
  --c-red:#cc0000;
  --c-red-tint:#fdecec;
  --c-amber:#b45309;
  --c-amber-tint:#fdf6e3;
  --c-green:#1f7a3a;
  --c-green-tint:#eaf5ee;
  --c-mono-bg:#f3f4f6;
  --c-mono-bg-dark:#2b2f36;
  --c-mono-bg-dark:#2b2f36;
}
*, *::before, *::after { box-sizing: border-box; }
html,body{ background:var(--c-bg); color:var(--c-text); }
body{
  font-family: "Noto Sans", "Noto Sans JP", -apple-system, "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif;
  font-size:13px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
html[lang="ja"] body{
  font-family: "Noto Sans JP", "Noto Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif;
}
.mono{ font-family: "JetBrains Mono", Consolas, "Courier New", monospace; }

/* Scrollbar */
::-webkit-scrollbar{ width:10px; height:10px; }
::-webkit-scrollbar-thumb{ background:#cfd4da; border:2px solid var(--c-bg); border-radius:6px;}
::-webkit-scrollbar-thumb:hover{ background:#a8b0ba; }
::-webkit-scrollbar-track{ background:transparent; }

/* Sidebar nav */
.sidebar {
  width: 280px;
  background: #fff;
  border-color: var(--c-border);
  transition: transform 0.2s ease-in-out;
}
.sidebar-toggle-btn {
  display: none;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border: 1px solid var(--c-border-strong);
  background: #fafbfc;
  border-radius: 2px;
  cursor: pointer;
  padding: 0;
  flex-shrink: 0;
}
.sidebar-toggle-btn:hover {
  background: #f1f3f5;
}
.sidebar-toggle-btn svg {
  width: 18px;
  height: 18px;
  stroke: var(--c-text-soft);
  fill: none;
}
.nav-section-btn{
  display:flex; align-items:center; justify-content:space-between;
  width:100%; padding:8px 12px;
  background:#fafbfc;
  border:1px solid var(--c-border);
  border-left:3px solid #cfd4da;
  font-weight:500; font-size:12px;
  color:var(--c-text); text-align:left;
  cursor:pointer;
}
.nav-section-btn:hover{ background:#f1f3f5; }
.nav-section-btn .chev{ font-size:10px; color:#888; transition:transform .15s; }
.nav-section-btn[aria-expanded="true"] .chev{ transform:rotate(90deg); }
.nav-section-btn[aria-expanded="true"]{ border-left-color:var(--c-primary); background:#fff; }

.nav-item{
  display:block; padding:6px 12px 6px 28px;
  font-size:12px; color:var(--c-text-soft);
  border-bottom:1px solid var(--c-border);
  border-left:3px solid transparent;
  cursor:pointer; background:#fff;
}
.nav-item:hover{ background:#f6f9fc; color:var(--c-primary); }
.nav-item.active{
  background:var(--c-primary-tint);
  color:var(--c-primary);
  font-weight:600;
  border-left:3px solid var(--c-primary);
}
.nav-item .num{ color:#888; margin-right:6px; font-variant-numeric:tabular-nums;}
.nav-item.active .num{ color:var(--c-primary); }
.nav-item .nav-item-label{ display:inline; }

/* Coming soon state */
.nav-item.is-coming{
  display:flex; align-items:center; justify-content:space-between;
  color:#9aa3ad; cursor:default; background:#fafbfc;
}
.nav-item.is-coming:hover{ background:#fafbfc; color:#9aa3ad; }
.nav-item.is-coming .num{ color:#bbb; }
.coming-badge{
  font-size:9.5px; padding:1px 5px;
  background:#eef0f3; color:#7a828c;
  border:1px solid #dde0e5; border-radius:2px;
  font-weight:500; flex-shrink:0; margin-left:6px;
  letter-spacing:.02em;
}

/* Badges — Japanese style */
.jp-badge{
  display:inline-flex; align-items:center;
  font-size:11px; font-weight:600;
  padding:1px 6px;
  border:1px solid currentColor;
  border-radius:2px;
  line-height:1.4;
  letter-spacing:.02em;
  vertical-align:middle;
}
.jp-badge.required{ color:var(--c-red); background:var(--c-red-tint); }
.jp-badge.important{ color:var(--c-amber); background:var(--c-amber-tint); }
.jp-badge.recommended{ color:var(--c-primary); background:var(--c-primary-tint); }
.jp-badge.info{ color:#475569; background:#eef2f6; border-color:#cbd5e0; }
.jp-badge.success{ color:var(--c-green); background:var(--c-green-tint); }

/* SOP section card */
.sop-part{
  background:var(--c-surface);
  border:1px solid var(--c-border);
  border-radius:2px;
}
.sop-part-head{
  display:flex; align-items:center; gap:10px;
  padding:10px 14px;
  border-bottom:1px solid var(--c-border);
  background:#fafbfc;
}
.sop-part-head .step-num{
  display:inline-flex; align-items:center; justify-content:center;
  width:22px; height:22px;
  background:var(--c-primary); color:#fff;
  font-size:12px; font-weight:700;
  border-radius:2px;
  font-variant-numeric:tabular-nums;
}
.sop-part-head .step-num.neutral{ background:#475569; }
.sop-part-body{ padding:14px 16px; }

/* Do / Don't blocks */
.rule-block{
  border:1px solid var(--c-border);
  border-radius:2px;
  background:#fff;
}
.rule-head{
  padding:6px 10px;
  border-bottom:1px solid var(--c-border);
  font-size:12px; font-weight:700;
  display:flex; align-items:center; gap:6px;
}
.rule-head.do{ background:var(--c-green-tint); color:var(--c-green); }
.rule-head.dont{ background:var(--c-red-tint); color:var(--c-red); }
.rule-list{ padding:10px 12px 10px 28px; }
.rule-list li{ margin-bottom:4px; font-size:12.5px; position:relative; }
.rule-list li::marker{ color:#888; }

/* Warning strip */
.warn-strip{
  background:repeating-linear-gradient(135deg,#fff8e1 0 8px,#fef3c7 8px 16px);
  border:1px solid #f0c674;
  border-left:3px solid var(--c-amber);
  padding:8px 12px;
  font-size:12px;
  color:#664500;
  border-radius:2px;
}

/* Fact table */
.fact-table{ width:100%; border-collapse:collapse; font-size:12.5px; }
.fact-table th, .fact-table td{
  border:1px solid var(--c-border);
  padding:7px 10px;
  text-align:left;
  vertical-align:top;
}
.fact-table th{
  background:#f3f4f6;
  font-weight:600; font-size:11.5px;
  color:#475569;
  width:30%;
}
.fact-table th .req{ color:var(--c-red); margin-left:4px; font-weight:700;}
.fact-table input[type=text], .fact-table textarea{
  width:100%;
  border:1px solid var(--c-border);
  background:#fff;
  padding:4px 6px;
  font-size:12.5px;
  font-family:inherit;
  border-radius:2px;
  color:var(--c-text);
}
.fact-table input:focus, .fact-table textarea:focus{
  outline:none; border-color:var(--c-primary);
  box-shadow:0 0 0 2px var(--c-primary-tint);
}

/* Prompt code block */
.prompt-block{
  background:var(--c-mono-bg-dark);
  color:#e6e8eb;
  border:1px solid #1f2329;
  border-radius:2px;
  position:relative;
}
.prompt-head{
  display:flex; align-items:center; justify-content:space-between;
  background:#1f2329;
  border-bottom:1px solid #0f1115;
  padding:6px 10px;
  color:#cfd4da; font-size:11.5px;
  font-family:"Noto Sans", "Noto Sans JP", sans-serif;
}
.prompt-head .dots{ display:inline-flex; gap:5px; margin-right:8px;}
.prompt-head .dot{ width:9px; height:9px; background:#3a3f47; border-radius:50%;}
.prompt-body{
  padding:14px 16px;
  font-size:12.5px;
  line-height:1.75;
  white-space:pre-wrap;
  word-break:break-word;
  max-height:520px;
  overflow:auto;
}
.prompt-body .ph{
  background:#facc15;
  color:#1f2329;
  padding:0 5px;
  border-radius:2px;
  font-weight:600;
  font-family:inherit;
  border:1px solid #ca8a04;
}
.prompt-body .ph::before{ content:""; }
.prompt-body .ph.filled{
  background:#86efac;
  border-color:#22c55e;
}
.prompt-body .section-h{
  color:#7dd3fc; font-weight:600;
}
.prompt-body .comment{ color:#94a3b8; }

/* Buttons */
.text-btn{
  font-size:11.5px;
  color:var(--c-primary);
  border:1px solid var(--c-primary);
  background:#fff;
  padding:3px 10px;
  cursor:pointer;
  border-radius:2px;
  font-family:inherit;
  letter-spacing:.02em;
}
.text-btn:hover{ background:var(--c-primary); color:#fff; }
.text-btn.on-dark{
  background:transparent; color:#7dd3fc; border-color:#3b82f6;
}
.text-btn.on-dark:hover{ background:#3b82f6; color:#fff; }
.text-btn.ghost{
  color:var(--c-text-soft); border-color:var(--c-border-strong);
}
.text-btn.ghost:hover{ background:#f1f3f5; color:var(--c-text); border-color:#94a3b8;}

/* Decision matrix */
.decision-row{
  display:grid;
  grid-template-columns: 110px 1fr 280px;
  border:1px solid var(--c-border);
  border-bottom:none;
  font-size:12.5px;
  background:#fff;
}
.decision-row:last-child{ border-bottom:1px solid var(--c-border);}
.decision-row > div{ padding:8px 12px; border-right:1px solid var(--c-border); }
.decision-row > div:last-child{ border-right:none; }
.decision-row.head{ background:#f3f4f6; font-weight:600; color:#475569; font-size:11.5px;}
.dec-tag{
  display:inline-block; padding:1px 8px; font-weight:700; font-size:11.5px; border-radius:2px;
  border:1px solid currentColor;
}
.dec-tag.ok{ color:var(--c-green); background:var(--c-green-tint);}
.dec-tag.warn{ color:var(--c-amber); background:var(--c-amber-tint);}
.dec-tag.bad{ color:var(--c-red); background:var(--c-red-tint);}

/* Toast */
.toast{
  position:fixed; bottom:20px; right:20px;
  background:#1f2329; color:#fff;
  border:1px solid #0f1115; border-left:3px solid var(--c-green);
  padding:10px 16px; font-size:12.5px;
  border-radius:2px;
  box-shadow:0 4px 12px rgba(0,0,0,.15);
  opacity:0; transform:translateY(8px);
  transition:opacity .15s, transform .15s;
  pointer-events:none;
  z-index:50;
}
.toast.show{ opacity:1; transform:translateY(0);}

/* Language switch */
.lang-switch{
  display:inline-flex; border:1px solid var(--c-border-strong); border-radius:2px; overflow:hidden;
  background:#fff;
}
.lang-switch button{
  padding:4px 12px; font-size:12px; background:#fff; color:var(--c-text-soft); cursor:pointer;
  border:none; font-family:inherit; min-width:54px;
}
.lang-switch button.active{ background:var(--c-primary); color:#fff; font-weight:600; }
.lang-switch button:not(.active):hover{ background:#f1f3f5; }

/* Header */
.top-header{
  background:#fff;
  border-bottom:1px solid var(--c-border);
  height:48px;
}
.crumb{ font-size:11.5px; color:var(--c-text-muted);}
.crumb .sep{ margin:0 6px; color:#bbb; }
.crumb .here{ color:var(--c-text); font-weight:500;}

/* Toolbar */
.toolbar{
  display:flex; align-items:center; justify-content:space-between;
  background:#fff; border:1px solid var(--c-border); border-radius:2px;
  padding:8px 14px;
}
.meta-pill{
  display:inline-flex; align-items:center; gap:4px;
  font-size:11px; color:var(--c-text-muted);
  padding:2px 6px; border:1px solid var(--c-border); border-radius:2px;
  background:#fafbfc;
}
.meta-pill b{ color:var(--c-text); font-weight:600; }

/* Section titles */
.section-title{
  font-size:13px; font-weight:700; color:var(--c-text);
  margin:0;
}
.section-sub{
  font-size:11.5px; color:var(--c-text-muted);
  margin-top:1px;
}

/* TOC sidebar */
.toc a{
  display:block; padding:4px 10px; font-size:12px; color:var(--c-text-soft);
  border-left:2px solid var(--c-border);
}
.toc a:hover{ color:var(--c-primary); border-left-color:var(--c-primary);}
.toc a.active{ color:var(--c-primary); font-weight:600; border-left-color:var(--c-primary); background:var(--c-primary-tint);}

/* Key-value rows */
.key-val .row{
  display:grid; grid-template-columns: 180px 1fr;
  border-bottom:1px solid var(--c-border);
  font-size:12.5px;
}
.key-val .row:last-child{ border-bottom:none; }
.key-val .k{ background:#fafbfc; color:#475569; padding:7px 10px; border-right:1px solid var(--c-border); font-weight:500;}
.key-val .v{ padding:7px 10px; }

/* Footer */
.doc-footer{
  border-top:1px solid var(--c-border);
  background:#fff;
  padding:10px 16px;
  font-size:11.5px; color:var(--c-text-muted);
  display:flex; justify-content:space-between; align-items:center;
}

/* Print */
@media print{
  aside, .top-header{ display:none; }
}

/* ======================================================
   Responsive Layout (Mobile & Tablet)
   ====================================================== */
@media (max-width: 1024px) {
  /* Cho phép decision-row co dãn hợp lý hơn trên màn hình vừa */
  .decision-row {
    grid-template-columns: 110px 1fr 240px;
  }
}

@media (max-width: 768px) {
  .sidebar-toggle-btn {
    display: flex;
  }
  .sidebar {
    position: fixed;
    top: 48px;
    left: 0;
    bottom: 0;
    z-index: 40;
    transform: translateX(-100%);
    box-shadow: 2px 0 8px rgba(0,0,0,0.15);
  }
  .sidebar.open {
    transform: translateX(0);
  }
  .crumb {
    display: none !important;
  }
  .version-info {
    display: none !important;
  }
  
  /* Prompt head wrapping on mobile */
  .prompt-head {
    flex-direction: column;
    align-items: stretch;
    gap: 6px;
    height: auto;
  }
  .prompt-head > .flex.items-center {
    flex-wrap: wrap;
    gap: 4px;
  }
  .prompt-head > .flex.items-center .ml-3 {
    margin-left: 4px !important;
  }
  .prompt-head > .flex.gap-1\.5 {
    justify-content: flex-end;
  }
  
  /* Decision matrix -> xếp dọc */
  .decision-row {
    grid-template-columns: 1fr;
    border-bottom: 1px solid var(--c-border);
  }
  .decision-row.head { display: none; } /* Ẩn header của decision matrix trên mobile */
  .decision-row > div {
    border-right: none;
    border-bottom: 1px dashed var(--c-border);
  }
  .decision-row > div:last-child { border-bottom: none; }
  .decision-row > div:nth-child(1) { background: #fafbfc; font-weight: 600; padding: 6px 12px; }
  .decision-row > div:nth-child(2)::before { content: "Điều kiện: "; font-weight: 600; color: #475569; display: block; font-size: 11.5px; margin-bottom: 2px; }
  .decision-row > div:nth-child(3)::before { content: "Hành động: "; font-weight: 600; color: #475569; display: block; font-size: 11.5px; margin-bottom: 2px; }

  /* Key-val rows (Checklist) -> xếp dọc */
  .key-val .row {
    grid-template-columns: 1fr;
  }
  .key-val .k {
    border-right: none;
    border-bottom: 1px solid var(--c-border);
  }

  /* Fact table -> xếp dọc */
  .fact-table, .fact-table tbody, .fact-table tr, .fact-table td, .fact-table th {
    display: block; width: 100%;
  }
  .fact-table thead { display: none; }
  .fact-table tr { margin-bottom: 10px; border: 1px solid var(--c-border); }
  .fact-table td {
    border: none;
    border-bottom: 1px dashed var(--c-border);
    padding: 10px;
  }
  .fact-table td:last-child { border-bottom: none; }
  
  /* Do / Don't blocks */
  .grid.grid-cols-2 { grid-template-columns: 1fr; gap: 10px; }

  /* Header flex */
  .flex.items-start.justify-between.gap-4 {
    flex-direction: column;
  }
  .flex-shrink-0.meta-pill-container {
    align-items: flex-start !important;
    width: 100%;
    flex-shrink: 1 !important;
  }
  .meta-pill {
    width: 100%;
    flex-wrap: wrap;
  }
  
  /* Fix toolbar wrapping */
  .toolbar {
    flex-wrap: wrap;
    gap: 10px;
  }
  .toolbar > .flex {
    flex-wrap: wrap;
  }
}

/* ======================================================
   Utility compat layer (thay thế Tailwind CDN)
   Chỉ chứa các utility thực sự đang dùng trong project.
   Khi thêm class Tailwind mới trong HTML → bổ sung ở đây.
   ====================================================== */

/* Display */
.block { display: block; }
.hidden { display: none; }
.flex { display: flex; }
.grid { display: grid; }
.relative { position: relative; }
.overflow-y-auto { overflow-y: auto; }

/* Flex */
.flex-1 { flex: 1 1 0%; }
.flex-col { flex-direction: column; }
.flex-shrink-0 { flex-shrink: 0; }
.flex-wrap { flex-wrap: wrap; }
.items-start { align-items: flex-start; }
.items-center { align-items: center; }
.items-end { align-items: flex-end; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.justify-end { justify-content: flex-end; }

/* Grid */
.grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }

/* Gap */
.gap-1 { gap: 4px; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 12px; }
.gap-4 { gap: 16px; }

/* Spacing children (space-y-N) */
.space-y-1 > * + * { margin-top: 4px; }
.space-y-1\.5 > * + * { margin-top: 6px; }
.space-y-3 > * + * { margin-top: 12px; }
.space-y-4 > * + * { margin-top: 16px; }

/* Padding */
.p-2 { padding: 8px; }
.p-3 { padding: 12px; }
.p-5 { padding: 20px; }
.px-2 { padding-left: 8px; padding-right: 8px; }
.px-3 { padding-left: 12px; padding-right: 12px; }
.px-4 { padding-left: 16px; padding-right: 16px; }
.py-1 { padding-top: 4px; padding-bottom: 4px; }
.py-1\.5 { padding-top: 6px; padding-bottom: 6px; }
.py-2 { padding-top: 8px; padding-bottom: 8px; }
.py-3 { padding-top: 12px; padding-bottom: 12px; }
.py-20 { padding-top: 80px; padding-bottom: 80px; }
.pt-1 { padding-top: 4px; }

/* Margin */
.mb-1 { margin-bottom: 4px; }
.mt-1 { margin-top: 4px; }
.mt-2 { margin-top: 8px; }
.ml-3 { margin-left: 12px; }
.ml-8 { margin-left: 32px; }
.ml-auto { margin-left: auto; }
.mr-1 { margin-right: 4px; }
.mx-auto { margin-left: auto; margin-right: auto; }

/* Sizing */
.h-6 { height: 24px; }
.h-7 { height: 28px; }
.w-7 { width: 28px; }
.w-full { width: 100%; }
.max-w-\[1100px\] { max-width: 1100px; }

/* Border (default 1px solid #e5e7eb) */
.border    { border: 1px solid var(--c-border); }
.border-b  { border-bottom: 1px solid var(--c-border); }
.border-t  { border-top: 1px solid var(--c-border); }
.border-l  { border-left: 1px solid var(--c-border); }
.border-r  { border-right: 1px solid var(--c-border); }
.border-t-0{ border-top: 0; }

/* Text size — sử dụng arbitrary value Tailwind style */
.text-\[10\.5px\]  { font-size: 10.5px; }
.text-\[11\.5px\]  { font-size: 11.5px; }
.text-\[11px\]     { font-size: 11px; }
.text-\[12\.5px\]  { font-size: 12.5px; }
.text-\[12px\]     { font-size: 12px; }
.text-\[13\.5px\]  { font-size: 13.5px; }
.text-\[18px\]     { font-size: 18px; }
.text-\[20px\]     { font-size: 20px; }
.text-center       { text-align: center; }
.text-gray-400     { color: #9ca3af; }

/* Font weight */
.font-normal   { font-weight: 400; }
.font-semibold { font-weight: 600; }
.font-bold     { font-weight: 700; }

/* Line height */
.leading-tight { line-height: 1.25; }

/* List */
.list-decimal { list-style-type: decimal; }

/* Responsive: xl breakpoint = 1280px */
@media (min-width: 1280px) {
  .xl\:block { display: block; }
}