/* ============================================================
   VNFISA CMS — layout.css
   Khung desktop: sidebar 260/76px, topbar 68px, content header, footer.
   ============================================================ */

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  font-family: var(--font-sans);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  color: var(--color-text);
  background: var(--color-page);
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
button { font-family: inherit; }

/* ---------- App shell ---------- */
.app {
  display: flex;
  min-height: 100vh;
}

/* ---------- Sidebar ---------- */
.sidebar {
  width: var(--sidebar-w);
  flex: 0 0 var(--sidebar-w);
  background: var(--color-surface);
  border-right: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100vh;
  transition: width var(--transition), flex-basis var(--transition);
  z-index: var(--z-sidebar);
}
.app.sidebar-collapsed .sidebar {
  width: var(--sidebar-collapsed-w);
  flex-basis: var(--sidebar-collapsed-w);
}

.sidebar-brand {
  height: var(--topbar-h);
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: 0 var(--sp-5);
  border-bottom: 1px solid var(--color-border-soft);
  flex: 0 0 auto;
}
.sidebar-logo {
  width: 36px; height: 36px;
  border-radius: var(--radius-sm);
  color: #fff;
  display: grid; place-items: center;
  font-weight: var(--fw-bold);
  font-size: 15px;
  flex: 0 0 auto;
  letter-spacing: .5px;
  object-fit: cover;   /* logo VNFISA là <img> */
}
.sidebar-brand-text { display: flex; flex-direction: column; line-height: 1.1; overflow: hidden; }
.sidebar-brand-text b { font-size: 16px; letter-spacing: .3px; }
.sidebar-brand-text span { font-size: 11px; color: var(--color-muted); white-space: nowrap; }
.app.sidebar-collapsed .sidebar-brand-text { display: none; }
.app.sidebar-collapsed .sidebar-brand { padding: 0; justify-content: center; }

.sidebar-nav {
  flex: 1 1 auto;
  overflow-y: auto;
  padding: var(--sp-3) var(--sp-3) var(--sp-6);
}
.sidebar-nav::-webkit-scrollbar { width: 8px; }
.sidebar-nav::-webkit-scrollbar-thumb { background: var(--color-border); border-radius: 8px; }

.nav-section-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .6px;
  color: var(--color-faint);
  font-weight: var(--fw-semibold);
  padding: var(--sp-4) var(--sp-3) var(--sp-2);
}
.app.sidebar-collapsed .nav-section-label { text-align: center; font-size: 0; padding: var(--sp-3) 0 var(--sp-1); }
.app.sidebar-collapsed .nav-section-label::after { content: "•••"; font-size: 10px; letter-spacing: 0; }

.nav-group { margin-bottom: 2px; }
.nav-item {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: 9px var(--sp-3);
  border-radius: var(--radius-sm);
  color: var(--color-text);
  cursor: pointer;
  font-size: var(--fs-body);
  font-weight: var(--fw-medium);
  transition: background var(--transition), color var(--transition);
  user-select: none;
  white-space: nowrap;
}
.nav-item:hover { background: var(--color-surface-2); }
.nav-item .nav-ico {
  width: 20px; height: 20px; flex: 0 0 20px;
  display: grid; place-items: center; color: var(--color-muted);
}
.nav-item .nav-text { flex: 1 1 auto; overflow: hidden; text-overflow: ellipsis; }
.nav-item .nav-caret { transition: transform var(--transition); color: var(--color-faint); }
.nav-group.open > .nav-item .nav-caret { transform: rotate(90deg); }

.nav-item.active {
  background: var(--color-primary);
  color: #fff;
  box-shadow: var(--shadow-xs);
}
.nav-item.active .nav-ico { color: #fff; }

.nav-badge {
  background: var(--color-primary-tint);
  color: var(--color-primary-dark);
  font-size: 11px;
  font-weight: var(--fw-semibold);
  padding: 1px 7px;
  border-radius: var(--radius-pill);
  min-width: 20px;
  text-align: center;
}
.nav-item.active .nav-badge { background: rgba(255,255,255,.25); color: #fff; }

.nav-sub { padding-left: 30px; display: none; margin-top: 2px; }
.nav-group.open > .nav-sub { display: block; }
.nav-subitem {
  display: flex; align-items: center; gap: var(--sp-2);
  padding: 7px var(--sp-3);
  border-radius: var(--radius-sm);
  color: var(--color-muted);
  cursor: pointer;
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
}
.nav-subitem::before {
  content: ""; width: 5px; height: 5px; border-radius: 50%;
  background: var(--color-border); flex: 0 0 5px;
}
.nav-subitem:hover { background: var(--color-surface-2); color: var(--color-text); }
.nav-subitem.active { color: var(--color-primary); font-weight: var(--fw-semibold); }
.nav-subitem.active::before { background: var(--color-primary); }

/* collapsed: ẩn text và sub, hiện tooltip đơn giản */
.app.sidebar-collapsed .nav-text,
.app.sidebar-collapsed .nav-caret,
.app.sidebar-collapsed .nav-badge,
.app.sidebar-collapsed .nav-sub { display: none; }
.app.sidebar-collapsed .nav-item { justify-content: center; padding: 10px 0; }
.app.sidebar-collapsed .nav-group.open > .nav-sub { display: none; }

.sidebar-profile {
  flex: 0 0 auto;
  border-top: 1px solid var(--color-border-soft);
  padding: var(--sp-3) var(--sp-4);
  display: flex;
  align-items: center;
  gap: var(--sp-3);
}
.app.sidebar-collapsed .sidebar-profile { justify-content: center; padding: var(--sp-3) 0; }
.app.sidebar-collapsed .sidebar-profile .profile-meta { display: none; }
.profile-meta { line-height: 1.2; overflow: hidden; }
.profile-meta b { font-size: var(--fs-sm); display: block; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.profile-meta span { font-size: 11px; color: var(--color-muted); }

/* ---------- Main column ---------- */
.main {
  flex: 1 1 auto;
  min-width: 0;
  display: flex;
  flex-direction: column;
}

/* ---------- Topbar ---------- */
.topbar {
  height: var(--topbar-h);
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  gap: var(--sp-4);
  padding: 0 var(--sp-6);
  position: sticky;
  top: 0;
  z-index: var(--z-topbar);
}
.topbar-toggle {
  width: 38px; height: 38px;
  border: none; background: transparent;
  border-radius: var(--radius-sm);
  cursor: pointer; color: var(--color-muted);
  display: grid; place-items: center;
}
.topbar-toggle:hover { background: var(--color-surface-2); color: var(--color-text); }

.topbar-search {
  flex: 0 1 340px;
  display: flex; align-items: center; gap: var(--sp-2);
  background: var(--color-surface-2);
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  padding: 8px var(--sp-3);
  color: var(--color-muted);
}
.topbar-search:focus-within { border-color: var(--color-primary); background: #fff; }
.topbar-search input { border: none; background: transparent; outline: none; width: 100%; font-size: var(--fs-sm); color: var(--color-text); }
.topbar-search kbd {
  font-size: 11px; color: var(--color-faint); border: 1px solid var(--color-border);
  border-radius: 4px; padding: 1px 5px; background: #fff;
}

.topbar-spacer { flex: 1 1 auto; }

.topbar-actions { display: flex; align-items: center; gap: var(--sp-2); }
.topbar-icon-btn {
  position: relative;
  width: 40px; height: 40px;
  border: none; background: transparent;
  border-radius: var(--radius-sm);
  cursor: pointer; color: var(--color-muted);
  display: grid; place-items: center;
}
.topbar-icon-btn:hover { background: var(--color-surface-2); color: var(--color-text); }
.topbar-icon-btn .dot {
  position: absolute; top: 8px; right: 9px;
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--color-danger); border: 2px solid #fff;
}

.unit-select, .role-select {
  display: flex; align-items: center; gap: var(--sp-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 7px var(--sp-3);
  font-size: var(--fs-sm);
  background: #fff; cursor: pointer;
  color: var(--color-text);
  max-width: 220px;
}
.unit-select:hover, .role-select:hover { border-color: var(--color-primary); }
.role-select .role-avatar {
  width: 26px; height: 26px; border-radius: 50%;
  background: var(--color-primary-tint); color: var(--color-primary-dark);
  display: grid; place-items: center; font-weight: var(--fw-bold); font-size: 12px;
  flex: 0 0 26px;
}
.role-select .role-meta { line-height: 1.15; overflow: hidden; }
.role-select .role-meta b { font-size: var(--fs-sm); display: block; white-space: nowrap; }
.role-select .role-meta span { font-size: 11px; color: var(--color-muted); white-space: nowrap; }

/* ---------- Content area ---------- */
.content {
  flex: 1 1 auto;
  padding: var(--sp-6);
  overflow-x: hidden;
}
.content-inner { max-width: var(--content-max); margin: 0 auto; }

/* Breadcrumb */
.breadcrumb {
  display: flex; align-items: center; gap: var(--sp-2);
  font-size: var(--fs-sm); color: var(--color-muted);
  margin-bottom: var(--sp-3);
  flex-wrap: wrap;
}
.breadcrumb a:hover { color: var(--color-primary); }
.breadcrumb .sep { color: var(--color-faint); }
.breadcrumb .current { color: var(--color-text); font-weight: var(--fw-medium); }

/* Page header */
.page-header {
  display: flex; align-items: flex-start; justify-content: space-between;
  gap: var(--sp-4); margin-bottom: var(--sp-5);
}
.page-header .ph-title { font-size: var(--fs-h1); font-weight: var(--fw-bold); margin: 0 0 var(--sp-1); }
.page-header .ph-desc { color: var(--color-muted); font-size: var(--fs-sm); margin: 0; max-width: 720px; }
.page-header .ph-actions { display: flex; align-items: center; gap: var(--sp-2); flex: 0 0 auto; flex-wrap: wrap; justify-content: flex-end; }

/* Detail header */
.detail-header {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--sp-5);
  margin-bottom: var(--sp-5);
}
.detail-header-top { display: flex; align-items: flex-start; justify-content: space-between; gap: var(--sp-4); }
.detail-back {
  display: inline-flex; align-items: center; gap: var(--sp-1);
  color: var(--color-muted); font-size: var(--fs-sm); font-weight: var(--fw-medium);
  margin-bottom: var(--sp-3); cursor: pointer;
}
.detail-back:hover { color: var(--color-primary); }
.detail-id-row { display: flex; align-items: center; gap: var(--sp-3); flex-wrap: wrap; }
.detail-id-row h2 { font-size: 22px; font-weight: var(--fw-bold); margin: 0; }
.detail-avatar {
  width: 52px; height: 52px; border-radius: 50%;
  background: var(--color-primary-tint); color: var(--color-primary-dark);
  display: grid; place-items: center; font-weight: var(--fw-bold); font-size: 18px; flex: 0 0 52px;
}
.detail-meta { display: flex; gap: var(--sp-6); flex-wrap: wrap; margin-top: var(--sp-4); }
.detail-meta .dm { line-height: 1.3; }
.detail-meta .dm label { display: block; font-size: 11px; color: var(--color-muted); text-transform: uppercase; letter-spacing: .4px; margin-bottom: 2px; }
.detail-meta .dm b { font-size: var(--fs-body); font-weight: var(--fw-semibold); }

/* Footer sim badge */
.app-footer {
  border-top: 1px solid var(--color-border);
  background: var(--color-surface);
  padding: var(--sp-3) var(--sp-6);
  display: flex; align-items: center; justify-content: space-between;
  font-size: var(--fs-caption); color: var(--color-muted); gap: var(--sp-4);
}
.sim-badge {
  display: inline-flex; align-items: center; gap: var(--sp-2);
  background: var(--color-warning-tint); color: #B26A00;
  border: 1px solid #FFD9A8;
  padding: 3px 10px; border-radius: var(--radius-pill);
  font-size: var(--fs-caption); font-weight: var(--fw-semibold);
}

/* ---------- Responsive ---------- */
@media (max-width: 1280px) {
  :root { --sidebar-w: 240px; }
  .content { padding: var(--sp-5); }
  .topbar { padding: 0 var(--sp-5); }
  .topbar-search { flex-basis: 240px; }
}
/* Tablet (769–1024px): sidebar thu thành rail gọn */
@media (min-width: 769px) and (max-width: 1024px) {
  .app .sidebar { width: var(--sidebar-collapsed-w); flex: 0 0 var(--sidebar-collapsed-w); }
  .app .sidebar .nav-text, .app .sidebar .nav-caret, .app .sidebar .nav-badge,
  .app .sidebar .nav-sub, .app .sidebar-brand-text, .app .sidebar-profile .profile-meta { display: none; }
  .app .nav-item { justify-content: center; padding: 10px 0; }
  .app .sidebar-brand, .app .sidebar-profile { justify-content: center; padding-left: 0; padding-right: 0; }
  .topbar-search { display: none; }
}

/* Backdrop cho sidebar off-canvas (chỉ hiện ở mobile) */
.sidebar-backdrop { display: none; }

/* ---------- Mobile (≤768px): sidebar trượt off-canvas + xếp dọc ---------- */
@media (max-width: 768px) {
  .sidebar {
    position: fixed; top: 0; left: 0; height: 100vh; width: 272px; max-width: 84vw; flex: none;
    transform: translateX(-100%); transition: transform .22s ease; z-index: 60; box-shadow: var(--shadow-lg);
  }
  .app.sidebar-open .sidebar { transform: translateX(0); }
  .app .sidebar .nav-text, .app .sidebar .nav-caret, .app .sidebar .nav-sub,
  .app .sidebar-brand-text, .app .sidebar-profile .profile-meta { display: revert; } /* luôn hiện đầy đủ trên mobile */
  .app .nav-item { justify-content: flex-start; padding: 9px var(--sp-3); }
  .sidebar-backdrop {
    display: block; position: fixed; inset: 0; background: rgba(47,43,61,.45);
    z-index: 55; opacity: 0; pointer-events: none; transition: opacity .2s ease;
  }
  .app.sidebar-open .sidebar-backdrop { opacity: 1; pointer-events: auto; }
  .main { width: 100%; min-width: 0; }

  /* Topbar gọn */
  .topbar { padding: 0 var(--sp-4); gap: var(--sp-2); }
  .topbar-search { display: none; }
  .unit-select { padding: 7px var(--sp-2); max-width: none; }
  .unit-select #unit-label { display: none; }
  .role-select { padding: 5px var(--sp-2); }
  .role-select .role-meta { display: none; }
  .topbar-spacer { flex: 1 1 auto; }

  .content { padding: var(--sp-4); }
  .content-inner { max-width: 100%; }
  .app-footer { flex-direction: column; align-items: flex-start; gap: 4px; text-align: left; }

  /* Header trang & chi tiết */
  .page-header { flex-direction: column; align-items: stretch; gap: var(--sp-3); }
  .page-header .ph-title { font-size: 21px; }
  .page-header .ph-actions, .ph-actions { justify-content: flex-start; flex-wrap: wrap; }
  .detail-header { padding: var(--sp-4); }
  .detail-header-top { flex-direction: column; align-items: stretch; gap: var(--sp-3); }
  .detail-id-row h2 { font-size: 19px; }
  .detail-avatar { width: 44px; height: 44px; flex: 0 0 44px; font-size: 16px; }
  .detail-meta { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-3) var(--sp-4); }
  /* Lưu ý: override cho lưới/bảng/modal/drawer/widget nằm ở CUỐI pages.css
     (nạp sau components.css) để thắng thứ tự cascade. */
}

/* ---------- Mobile nhỏ (≤480px) ---------- */
@media (max-width: 480px) {
  .detail-meta { grid-template-columns: 1fr; }
  .page-header .ph-title { font-size: 20px; }
}