/* ============================================
   Components — card, button, badge, table, form, drawer, modal, toast, ...
   ============================================ */

/* === Card === */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  box-shadow: var(--shadow-xs);
  transition: var(--transition);
}
.card.card-hover:hover { box-shadow: var(--shadow-md); border-color: var(--color-gold-soft); }
.card-header {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: var(--space-4); gap: var(--space-3);
}
.card-header h3 { font-size: var(--fs-lg); }
.card-subtle { color: var(--color-text-muted); font-size: var(--fs-sm); }
.card-flat { box-shadow: none; }

/* === KPI card === */
.kpi-card { padding: var(--space-5); }
.kpi-card .kpi-label {
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-3);
  font-weight: 500;
}
.kpi-card .kpi-value {
  font-family: var(--font-heading);
  font-size: var(--fs-3xl);
  color: var(--color-dark);
  line-height: 1.05;
  font-variant-numeric: tabular-nums;
}
.kpi-card .kpi-unit {
  font-size: var(--fs-xl);
  color: var(--color-text-muted);
  margin-left: 4px;
  font-family: var(--font-body);
}
.kpi-card .kpi-delta {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-top: var(--space-3);
  font-size: var(--fs-xs);
  color: var(--color-success);
  font-weight: 500;
}
.kpi-card .kpi-delta.negative { color: var(--color-danger); }
.kpi-card .kpi-delta.neutral { color: var(--color-text-muted); }

/* === Button === */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 9px var(--space-4);
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  font-size: var(--fs-sm);
  font-weight: 500;
  transition: var(--transition);
  background: var(--color-surface);
  color: var(--color-text);
  white-space: nowrap;
  min-height: 36px;
}
.btn:hover { background: var(--color-cream-warm); }
.btn-primary {
  background: var(--color-gold);
  color: var(--color-dark);
  border-color: var(--color-gold);
  font-weight: 600;
}
.btn-primary:hover { background: var(--color-gold-dark); border-color: var(--color-gold-dark); color: var(--color-cream); }
.btn-dark {
  background: var(--color-dark);
  color: var(--color-cream);
  border-color: var(--color-dark);
}
.btn-dark:hover { background: var(--color-dark-soft); }
.btn-ghost { background: transparent; }
.btn-ghost:hover { background: var(--color-cream-warm); }
.btn-icon { padding: 8px; min-width: 36px; }
.btn-sm { padding: 6px var(--space-3); font-size: var(--fs-xs); min-height: 30px; }
.btn-lg { padding: 12px var(--space-5); font-size: var(--fs-md); min-height: 44px; }
.btn-outline { background: transparent; border-color: var(--color-border); }
.btn-outline:hover { border-color: var(--color-gold); background: var(--color-cream); }
.btn-danger { background: var(--color-danger); color: white; border-color: var(--color-danger); }
.btn-danger:hover { background: #993131; }
.btn-block { width: 100%; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* === Badge === */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px var(--space-2);
  border-radius: var(--radius-full);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.02em;
  border: 1px solid transparent;
}
.badge-success { background: var(--color-success-bg); color: var(--color-success); border-color: var(--color-success-border); }
.badge-warning { background: var(--color-warning-bg); color: var(--color-warning); border-color: var(--color-warning-border); }
.badge-danger { background: var(--color-danger-bg); color: var(--color-danger); border-color: var(--color-danger-border); }
.badge-info { background: var(--color-info-bg); color: var(--color-info); border-color: var(--color-info-border); }
.badge-neutral { background: var(--color-surface-2); color: var(--color-text-muted); border-color: var(--color-border); }
.badge-gold { background: var(--color-gold-tint); color: var(--color-gold-dark); border-color: var(--color-gold-soft); }
.badge-dark { background: var(--color-dark); color: var(--color-cream); border-color: var(--color-dark); }
.badge-dot::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }

/* === Avatar === */
.avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--color-gold-tint);
  color: var(--color-gold-dark);
  font-weight: 600;
  font-size: var(--fs-sm);
  font-family: var(--font-heading);
  letter-spacing: 0.02em;
  flex-shrink: 0;
  user-select: none;
  border: 2px solid var(--color-surface);
}
.avatar-sm { width: 28px; height: 28px; font-size: 11px; }
.avatar-md { width: 36px; height: 36px; font-size: var(--fs-sm); }
.avatar-lg { width: 48px; height: 48px; font-size: var(--fs-md); }
.avatar-xl { width: 64px; height: 64px; font-size: var(--fs-lg); }
.avatar-gold { background: var(--color-gold); color: var(--color-dark); }
.avatar-dark { background: var(--color-dark); color: var(--color-gold); }
.avatar-stack { display: inline-flex; }
.avatar-stack .avatar { margin-left: -8px; }
.avatar-stack .avatar:first-child { margin-left: 0; }

/* === Table === */
.data-table-wrap {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  overflow-x: auto;
}
.data-table { width: 100%; border-collapse: collapse; font-size: var(--fs-sm); }
.data-table thead { position: sticky; top: 0; z-index: 1; }
.data-table th {
  text-align: left;
  padding: var(--space-3) var(--space-4);
  font-weight: 500;
  color: var(--color-text-muted);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-surface-2);
  white-space: nowrap;
}
.data-table td {
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--color-border-soft);
  vertical-align: middle;
  height: 44px;
}
.data-table tbody tr { transition: background var(--duration-fast); }
.data-table tbody tr:hover td { background: var(--color-cream-warm); cursor: pointer; }
.data-table tbody tr:last-child td { border-bottom: none; }
.data-table .cell-strong { font-weight: 500; color: var(--color-dark); }
.data-table .cell-num { text-align: right; font-variant-numeric: tabular-nums; }
.data-table .cell-muted { color: var(--color-text-muted); }

/* === Form === */
.form-group { display: flex; flex-direction: column; gap: 6px; margin-bottom: var(--space-4); }
.form-label {
  font-size: var(--fs-xs);
  color: var(--color-text);
  font-weight: 500;
}
.form-label .required { color: var(--color-danger); margin-left: 2px; }
.form-help {
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
}
.form-input, .form-select, .form-textarea {
  padding: 9px var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  font-size: var(--fs-sm);
  transition: var(--transition);
  min-height: 36px;
  font-family: inherit;
  color: var(--color-text);
}
.form-input:hover, .form-select:hover, .form-textarea:hover { border-color: var(--color-gold-soft); }
.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--color-gold);
  box-shadow: var(--shadow-focus);
}
.form-input::placeholder, .form-textarea::placeholder { color: var(--color-text-soft); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-3); }
.form-actions {
  display: flex; justify-content: flex-end; gap: var(--space-2);
  padding-top: var(--space-4); margin-top: var(--space-5);
  border-top: 1px solid var(--color-border);
}

/* === Filter chips === */
.filter-chips { display: flex; flex-wrap: wrap; gap: var(--space-2); align-items: center; }
.chip {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 5px var(--space-3);
  border-radius: var(--radius-full);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  font-size: var(--fs-xs);
  color: var(--color-text);
  cursor: pointer;
  transition: var(--transition);
  font-weight: 500;
}
.chip:hover { border-color: var(--color-gold); }
.chip.active {
  background: var(--color-dark);
  color: var(--color-cream);
  border-color: var(--color-dark);
}
.chip .chip-count {
  background: var(--color-surface-2);
  color: var(--color-text-muted);
  padding: 0 6px;
  border-radius: var(--radius-full);
  font-size: 10px;
}
.chip.active .chip-count { background: rgba(255,249,240,0.15); color: var(--color-cream); }

/* === Empty state === */
.empty-state {
  padding: var(--space-9) var(--space-5);
  text-align: center;
  color: var(--color-text-muted);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
}
.empty-state .empty-icon {
  width: 64px; height: 64px;
  border-radius: 50%;
  background: var(--color-cream-warm);
  display: grid; place-items: center;
  color: var(--color-gold-dark);
  margin-bottom: var(--space-2);
}
.empty-state .empty-icon [data-lucide] { width: 28px; height: 28px; }
.empty-state h3 { color: var(--color-dark); margin-bottom: 4px; font-size: var(--fs-lg); }
.empty-state p { max-width: 360px; font-size: var(--fs-sm); }

/* === Skeleton === */
@keyframes skeleton-pulse { 0%, 100% { opacity: .6; } 50% { opacity: 1; } }
.skeleton {
  background: linear-gradient(90deg, var(--color-surface-2) 0%, var(--color-cream-warm) 50%, var(--color-surface-2) 100%);
  background-size: 200% 100%;
  border-radius: var(--radius-sm);
  animation: skeleton-pulse 1.5s ease-in-out infinite;
}
.skeleton-line { height: 12px; margin-bottom: var(--space-2); }
.skeleton-line.w-50 { width: 50%; }
.skeleton-line.w-70 { width: 70%; }
.skeleton-line.w-90 { width: 90%; }
.skeleton-card { padding: var(--space-5); border: 1px solid var(--color-border); border-radius: var(--radius-md); background: var(--color-surface); }

/* === Stat row === */
.stat-row { display: flex; gap: var(--space-6); flex-wrap: wrap; }
.stat-row .stat-item { flex: 1; min-width: 100px; }
.stat-row .stat-label {
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.stat-row .stat-value {
  font-family: var(--font-heading);
  font-size: var(--fs-xl);
  color: var(--color-dark);
  margin-top: var(--space-1);
  font-variant-numeric: tabular-nums;
}

/* === Drawer === */
.drawer-backdrop {
  position: fixed; inset: 0;
  background: rgba(26,26,26,0.4);
  z-index: var(--z-drawer-backdrop);
  opacity: 0;
  transition: opacity var(--duration-base) var(--ease-out);
}
.drawer-backdrop.open { opacity: 1; }
.drawer {
  position: fixed; top: 0; bottom: 0; right: 0;
  width: var(--drawer-w);
  max-width: 100vw;
  background: var(--color-surface);
  z-index: var(--z-drawer);
  box-shadow: var(--shadow-xl);
  transform: translateX(100%);
  transition: transform var(--duration-base) var(--ease-out);
  display: flex; flex-direction: column;
}
.drawer.open { transform: translateX(0); }
.drawer-header {
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--color-border);
  display: flex; align-items: center; justify-content: space-between;
  gap: var(--space-3);
}
.drawer-title { font-family: var(--font-heading); font-size: var(--fs-xl); color: var(--color-dark); }
.drawer-body { flex: 1; overflow-y: auto; padding: var(--space-5); }
.drawer-footer {
  padding: var(--space-4) var(--space-5);
  border-top: 1px solid var(--color-border);
  display: flex; justify-content: flex-end; gap: var(--space-2);
}
.drawer-split { display: grid; grid-template-columns: 2fr 1fr; height: 100%; }
.drawer-split .drawer-aside {
  border-left: 1px solid var(--color-border);
  background: var(--color-surface-2);
  padding: var(--space-5);
  overflow-y: auto;
}

/* === Modal === */
.modal-backdrop {
  position: fixed; inset: 0;
  background: rgba(26,26,26,0.5);
  z-index: var(--z-modal-backdrop);
  opacity: 0;
  transition: opacity var(--duration-base) var(--ease-out);
  display: grid; place-items: center;
  padding: var(--space-4);
}
.modal-backdrop.open { opacity: 1; }
.modal {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  max-width: 500px;
  width: 100%;
  max-height: calc(100vh - var(--space-7));
  display: flex; flex-direction: column;
  transform: translateY(20px) scale(0.96);
  opacity: 0;
  transition: var(--transition);
}
.modal-backdrop.open .modal { transform: none; opacity: 1; }
.modal-lg { max-width: 720px; }
.modal-xl { max-width: 1140px; width: 96vw; }

/* Quote document (drawer + print share structure) */
.qd-head { text-align: center; padding-bottom: 14px; border-bottom: 2px solid var(--color-gold); }
.qd-brand { font-family: var(--font-heading); font-size: 26px; color: var(--color-gold-dark); letter-spacing: .18em; font-weight: 700; }
.qd-sub { font-size: 11px; color: var(--color-text-muted); letter-spacing: .12em; margin-top: 2px; }
.qd-title { text-align: center; padding: 16px 0; }
.qd-cap { font-size: 11px; color: var(--color-text-muted); letter-spacing: .1em; }
.qd-couple { font-family: var(--font-heading); font-size: 20px; margin-top: 4px; }
.qd-meta { font-size: 12px; color: var(--color-text-muted); margin-top: 4px; }
.qd-box { margin-top: 12px; padding: 14px 16px; border: 1px solid var(--color-border); border-radius: 8px; }
.qd-box.qd-info { border-style: dashed; border-color: var(--color-info-border); }
.qd-h { font-family: var(--font-heading); font-size: 14px; color: var(--color-gold-dark); font-weight: 600; margin-bottom: 8px; }
.qd-two { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.qd-menu-col.qd-chay { border-left: 1px solid var(--color-border); padding-left: 18px; }
.qd-empty { font-size: 12px; color: var(--color-text-soft); }
.qd-cat { margin-bottom: 8px; }
.qd-cat-label { font-size: 11px; color: var(--color-text-muted); text-transform: uppercase; letter-spacing: .08em; font-weight: 600; margin-bottom: 2px; }
.qd-dish { font-size: 13px; padding: 1px 0; }
.qd-line { display: flex; justify-content: space-between; padding: 5px 0; font-size: 13px; border-bottom: 1px solid var(--color-border-soft); }
.qd-strong { font-weight: 700; color: var(--color-gold-dark); border-bottom: none; padding-top: 8px; }
.qd-note { font-size: 11px; color: var(--color-text-muted); margin-top: 6px; }
.qd-total { margin-top: 12px; padding: 16px; background: var(--color-gold-tint); border-radius: 8px; }
.qd-grand { display: flex; justify-content: space-between; align-items: baseline; border-top: 2px solid var(--color-gold-soft); margin-top: 8px; padding-top: 10px; }
.qd-grand span:first-child { font-weight: 700; font-size: 15px; }
.qd-grand span:last-child { font-family: var(--font-heading); font-size: 26px; color: var(--color-gold-dark); }
.modal-header { padding: var(--space-5); border-bottom: 1px solid var(--color-border-soft); }
.modal-title { font-family: var(--font-heading); font-size: var(--fs-xl); }
.modal-body { padding: var(--space-5); overflow-y: auto; }
.modal-footer { padding: var(--space-4) var(--space-5); border-top: 1px solid var(--color-border-soft); display: flex; justify-content: flex-end; gap: var(--space-2); }

/* === Toast === */
.toast-stack {
  position: fixed; top: var(--space-5); right: var(--space-5);
  z-index: var(--z-toast);
  display: flex; flex-direction: column; gap: var(--space-2);
  pointer-events: none;
}
.toast {
  background: var(--color-dark);
  color: var(--color-cream);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-lg);
  display: flex; align-items: center; gap: var(--space-2);
  font-size: var(--fs-sm);
  min-width: 280px;
  pointer-events: auto;
  animation: toast-in var(--duration-base) var(--ease-out);
}
@keyframes toast-in { from { transform: translateX(20px); opacity: 0; } }
.toast-success [data-lucide] { color: #4ED99E; }
.toast-error [data-lucide] { color: #FF8585; }
.toast-warning [data-lucide] { color: #FFC75A; }
.toast-info [data-lucide] { color: #82B5FF; }

/* === Kanban === */
.kanban-wrap {
  display: flex;
  gap: var(--space-3);
  overflow-x: auto;
  padding-bottom: var(--space-4);
  scroll-snap-type: x proximity;
}
.kanban-column {
  flex: 0 0 280px;
  background: var(--color-surface-2);
  border-radius: var(--radius-md);
  display: flex; flex-direction: column;
  max-height: calc(100vh - 280px);
  scroll-snap-align: start;
}
.kanban-column-header {
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--color-border);
  display: flex; flex-direction: column; gap: 2px;
  position: sticky; top: 0;
  background: var(--color-surface-2);
  border-radius: var(--radius-md) var(--radius-md) 0 0;
  z-index: 1;
}
.kanban-column-header .col-title {
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--color-dark);
  display: flex; align-items: center; gap: var(--space-2);
}
.kanban-column-header .col-meta {
  font-size: 11px;
  color: var(--color-text-muted);
  display: flex; align-items: center; justify-content: space-between;
}
.kanban-column-header .col-dot {
  width: 8px; height: 8px; border-radius: 50%;
}
.kanban-column-body {
  padding: var(--space-3);
  overflow-y: auto;
  display: flex; flex-direction: column; gap: var(--space-2);
  flex: 1;
}
.kanban-column-add {
  padding: var(--space-3);
  border-top: 1px dashed var(--color-border);
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
  cursor: pointer;
  text-align: center;
  transition: var(--transition);
}
.kanban-column-add:hover { background: var(--color-cream-warm); color: var(--color-gold-dark); }

/* === Lead/event card (Kanban) === */
.lead-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: var(--space-3);
  cursor: pointer;
  transition: var(--transition);
  position: relative;
  display: flex; flex-direction: column; gap: 6px;
  border-left: 3px solid transparent;
}
.lead-card:hover { box-shadow: var(--shadow-sm); border-color: var(--color-gold-soft); }
.lead-card.rot-green { border-left-color: var(--color-success); }
.lead-card.rot-amber { border-left-color: var(--color-warning); }
.lead-card.rot-red   { border-left-color: var(--color-danger); }
.lead-card .lead-head { display: flex; align-items: flex-start; gap: var(--space-2); }
.lead-card .lead-name {
  font-weight: 500;
  font-size: var(--fs-sm);
  color: var(--color-dark);
  line-height: 1.3;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.lead-card .lead-meta {
  font-size: 11px;
  color: var(--color-text-muted);
  display: flex; align-items: center; gap: 8px;
  flex-wrap: wrap;
}
.lead-card .lead-value {
  font-weight: 600;
  font-size: var(--fs-sm);
  color: var(--color-dark);
  font-variant-numeric: tabular-nums;
}
.lead-card .lead-foot {
  display: flex; justify-content: space-between; align-items: center;
  margin-top: 2px;
}

/* === Conversion bar (funnel) === */
.conversion-bar {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  margin-bottom: var(--space-5);
}
.conversion-bar-title {
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-3);
  font-weight: 500;
  display: flex; justify-content: space-between; align-items: center;
}
.conversion-segments {
  display: flex;
  gap: 2px;
  height: 36px;
  margin-bottom: var(--space-2);
}
.conversion-segment {
  background: var(--color-gold-tint);
  border-radius: var(--radius-xs);
  display: flex; align-items: center; justify-content: center;
  font-size: var(--fs-xs);
  color: var(--color-gold-dark);
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  min-width: 40px;
}
.conversion-segment:hover { background: var(--color-gold-soft); }
.conversion-segment.cold { background: var(--color-surface-2); color: var(--color-text-muted); }
.conversion-segments-labels {
  display: flex;
  gap: 2px;
  font-size: 10px;
  color: var(--color-text-muted);
}
.conversion-segments-labels > div {
  flex: 1;
  text-align: center;
}

/* === Activity feed === */
.activity-feed { display: flex; flex-direction: column; gap: var(--space-4); }
.activity-item { display: flex; gap: var(--space-3); position: relative; }
.activity-item:not(:last-child)::before {
  content: '';
  position: absolute;
  left: 17px; top: 36px; bottom: -8px;
  width: 2px;
  background: var(--color-border);
}
.activity-icon {
  width: 36px; height: 36px; border-radius: 50%;
  background: var(--color-cream-warm);
  color: var(--color-gold-dark);
  display: grid; place-items: center;
  flex-shrink: 0;
  position: relative; z-index: 1;
}
.activity-icon.call { background: var(--color-info-bg); color: var(--color-info); }
.activity-icon.zalo { background: #E8F4FF; color: #0084FF; }
.activity-icon.visit { background: var(--color-success-bg); color: var(--color-success); }
.activity-icon.quote { background: var(--color-gold-tint); color: var(--color-gold-dark); }
.activity-content { flex: 1; min-width: 0; }
.activity-title { font-size: var(--fs-sm); color: var(--color-dark); font-weight: 500; }
.activity-body { font-size: var(--fs-xs); color: var(--color-text-muted); margin-top: 2px; }
.activity-meta { font-size: 11px; color: var(--color-text-soft); margin-top: 4px; }

/* === Progress bar (existing) === */
.progress-bar-wrap {
  width: 100%;
  height: 6px;
  background: var(--color-surface-2);
  border-radius: var(--radius-full);
  overflow: hidden;
}
.progress-bar-fill {
  height: 100%;
  background: var(--color-gold);
  border-radius: var(--radius-full);
  transition: width var(--duration-slow) var(--ease-out);
}
.progress-bar-fill.success { background: var(--color-success); }
.progress-bar-fill.danger { background: var(--color-danger); }
.progress-bar-fill.warning { background: var(--color-warning); }

/* === Lucide icon sizing === */
[data-lucide] { width: 18px; height: 18px; stroke-width: 1.75; vertical-align: -3px; }
.icon-sm [data-lucide] { width: 14px; height: 14px; }
.icon-lg [data-lucide] { width: 22px; height: 22px; }
.icon-xl [data-lucide] { width: 28px; height: 28px; }

/* ===========================================================
   Chi phí Vận Hành — sổ nhập liệu (opex)
   =========================================================== */
.month-nav { display: inline-flex; align-items: center; gap: 6px; }

/* Thanh tóm tắt gọn */
.opex-summary {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-3);
  margin-bottom: var(--space-4);
}
.opex-sum-cell {
  background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: var(--radius-lg); padding: var(--space-3) var(--space-4);
}
.opex-sum-label { display: flex; align-items: center; gap: 6px; font-size: var(--fs-xs);
  color: var(--color-text-muted); font-weight: 500; margin-bottom: 4px; }
.opex-sum-value { font-family: var(--font-heading); font-size: var(--fs-xl); color: var(--color-dark);
  font-variant-numeric: tabular-nums; line-height: 1.15; }
.opex-sum-sub { font-size: var(--fs-xs); color: var(--color-text-muted); margin-top: 2px; }

/* Dòng nhập nhanh */
.opex-quickadd {
  display: flex; align-items: center; gap: var(--space-2); flex-wrap: wrap;
  background: var(--color-cream-warm); border: 1px solid var(--color-border);
  border-radius: var(--radius-lg); padding: var(--space-3);
  margin-bottom: var(--space-3);
}
.opex-quickadd .qa-badge {
  display: inline-flex; align-items: center; gap: 6px; flex-shrink: 0;
  font-size: var(--fs-xs); font-weight: 600; color: var(--color-gold-dark);
  padding-right: 4px;
}
.opex-quickadd .qa-badge [data-lucide] { width: 15px; height: 15px; }
.opex-quickadd .form-input, .opex-quickadd .form-select { height: 38px; }
.opex-quickadd input[name="label"] { flex: 1 1 200px; min-width: 160px; }
.opex-quickadd .qa-recurring {
  display: inline-flex; align-items: center; gap: 6px; cursor: pointer;
  font-size: 13px; color: var(--color-text-muted); white-space: nowrap;
}

/* Thanh công cụ lọc */
.opex-toolbar {
  display: flex; align-items: center; gap: var(--space-2); flex-wrap: wrap;
  margin-bottom: var(--space-2);
}
.opex-search { position: relative; flex: 0 1 260px; min-width: 180px; }
.opex-search [data-lucide] {
  position: absolute; left: 10px; top: 50%; transform: translateY(-50%);
  width: 16px; height: 16px; color: var(--color-text-muted); pointer-events: none;
}
.opex-search .form-input { padding-left: 34px; }

/* Thanh thao tác hàng loạt */
.opex-bulkbar {
  display: flex; align-items: center; gap: var(--space-3); flex-wrap: wrap;
  background: var(--color-dark); color: var(--color-cream);
  border-radius: var(--radius-lg); padding: 10px var(--space-4);
  margin-top: var(--space-3); font-size: var(--fs-sm);
}
.opex-bulkbar strong { color: var(--color-cream); }

/* Bảng sổ chi */
.opex-table th.th-sort { cursor: pointer; user-select: none; white-space: nowrap; }
.opex-table th.th-sort:hover { color: var(--color-gold-dark); }
.opex-table .sort-ind { font-size: 10px; color: var(--color-gold-dark); }
.opex-table .opex-open { cursor: pointer; }
.opex-table .opex-row:hover { background: var(--color-cream-warm); }
.opex-table .opex-row.is-selected { background: color-mix(in srgb, var(--color-gold) 12%, transparent); }
.opex-table .opex-cell-check input, .opex-table .opex-check-all { cursor: pointer; width: 15px; height: 15px; }
.opex-table .opex-group-row td { background: var(--color-surface-2); padding-top: 10px; padding-bottom: 10px; }
.opex-table .opex-total-row td { background: var(--color-cream-warm); }

@media (max-width: 720px) {
  .opex-summary { grid-template-columns: 1fr 1fr; }
  .opex-quickadd input[name="label"] { flex-basis: 100%; }
}

/* Nhãn phân mục trong trang báo cáo (P&L) */
.report-heading {
  display: flex; align-items: center; gap: 8px;
  font-size: var(--fs-sm); font-weight: 600; letter-spacing: 0.02em;
  color: var(--color-text-muted); text-transform: uppercase;
  margin: var(--space-2) 0 var(--space-3);
}
.report-heading [data-lucide] { width: 16px; height: 16px; color: var(--color-gold-dark); }

/* Cột thao tác của bảng opex: luôn 1 hàng ngang */
.opex-table td:last-child, .opex-table th:last-child { white-space: nowrap; text-align: right; }
.opex-table td:last-child .btn-icon { vertical-align: middle; }

/* Pill tháng cạnh tiêu đề (nổi bật, đặc biệt cho tháng chưa có chi phí) */
.title-with-month { display: inline-flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.month-pill {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--font-body); font-size: var(--fs-sm); font-weight: 600;
  color: var(--color-dark); background: var(--color-gold-soft, var(--color-cream-warm));
  border: 1px solid var(--color-gold); border-radius: var(--radius-full);
  padding: 4px 14px; line-height: 1.4; white-space: nowrap;
}

/* Khối hoá đơn / chứng từ trong drawer */
.opex-invoice-block {
  margin-top: 16px; padding-top: 16px; border-top: 1px solid var(--color-border-soft);
}
.opex-invoice-toggle { display: inline-flex; align-items: center; gap: 8px; cursor: pointer; font-size: 14px; font-weight: 500; }
.opex-invoice-toggle span { display: inline-flex; align-items: center; gap: 6px; }
.opex-invoice-toggle [data-lucide] { width: 15px; height: 15px; color: var(--color-gold-dark); }
.opex-invoice-fields { margin-top: 12px; display: flex; flex-direction: column; gap: 10px; }
.opex-file-btn {
  display: inline-flex; align-items: center; gap: 8px; cursor: pointer;
  font-size: 13px; font-weight: 500; color: var(--color-gold-dark);
  border: 1px dashed var(--color-gold); border-radius: var(--radius-md);
  padding: 9px 12px; width: fit-content; transition: var(--transition);
}
.opex-file-btn:hover { background: var(--color-cream-warm); }
.opex-file-list { display: flex; flex-wrap: wrap; gap: 8px; }
.opex-file-chip {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--color-surface-2); border: 1px solid var(--color-border);
  border-radius: var(--radius-md); padding: 4px 8px; font-size: 12px;
}
.opex-file-chip [data-lucide] { width: 13px; height: 13px; color: var(--color-text-muted); }
.opex-file-x { background: none; border: none; cursor: pointer; padding: 0; display: inline-flex; color: var(--color-text-muted); }
.opex-file-x:hover { color: var(--color-danger); }
.opex-invoice-hint { display: flex; align-items: center; gap: 5px; font-size: 11px; color: var(--color-text-muted); }
/* Chỉ báo hoá đơn trên dòng bảng */
.opex-invoice-tag {
  display: inline-flex; align-items: center; gap: 2px; margin-left: 6px;
  font-size: 10px; font-weight: 600; color: var(--color-gold-dark);
  vertical-align: middle;
}

/* Bảng Báo cáo Kết quả Kinh doanh (P&L statement) */
.pnl-statement td { padding-top: 9px; padding-bottom: 9px; }
.pnl-statement .pnl-section td {
  padding-top: 14px; padding-bottom: 4px;
  font-size: var(--fs-xs); text-transform: uppercase; letter-spacing: 0.03em;
  color: var(--color-text-muted); font-weight: 600;
}
.pnl-statement .pnl-subtotal td { border-top: 1px solid var(--color-border-soft); background: var(--color-surface-2); }
.pnl-statement .pnl-subtotal td:first-child { font-weight: 600; }
.pnl-statement .pnl-grand td { border-top: 2px solid var(--color-border); background: var(--color-cream-warm); }
.pnl-statement .pnl-grand td:first-child { font-weight: 700; font-size: var(--fs-md); }

/* Thanh tab điều hướng trong báo cáo P&L */
.report-tabs {
  display: flex; flex-wrap: wrap; gap: 4px;
  background: var(--color-surface-2); border: 1px solid var(--color-border);
  border-radius: var(--radius-lg); padding: 4px; margin-bottom: var(--space-5);
  width: fit-content; max-width: 100%;
}
.report-tab {
  display: inline-flex; align-items: center; gap: 7px;
  border: none; background: transparent; cursor: pointer;
  font-size: var(--fs-sm); font-weight: 500; color: var(--color-text-muted);
  padding: 8px 14px; border-radius: var(--radius-md); transition: var(--transition);
  white-space: nowrap;
}
.report-tab [data-lucide] { width: 15px; height: 15px; }
.report-tab:hover { color: var(--color-dark); background: var(--color-surface); }
.report-tab.active { background: var(--color-dark); color: var(--color-cream); font-weight: 600; }
@media (max-width: 720px) { .report-tabs { width: 100%; overflow-x: auto; flex-wrap: nowrap; } }

/* Segmented Tháng/Quý/Năm */
.seg-group { display: inline-flex; background: var(--color-surface-2); border: 1px solid var(--color-border); border-radius: var(--radius-md); padding: 3px; gap: 2px; }
.seg-btn { border: none; background: transparent; cursor: pointer; font-size: var(--fs-sm); font-weight: 500; color: var(--color-text-muted); padding: 6px 14px; border-radius: calc(var(--radius-md) - 2px); transition: var(--transition); }
.seg-btn:hover { color: var(--color-dark); }
.seg-btn.active { background: var(--color-dark); color: var(--color-cream); font-weight: 600; }
.month-nav .period-label { font-weight: 600; font-size: var(--fs-sm); min-width: 96px; text-align: center; color: var(--color-dark); }

/* Mục lục dính (jump-nav) của báo cáo */
.report-nav {
  position: sticky; top: 0; z-index: 6;
  display: flex; flex-wrap: wrap; gap: 4px;
  background: var(--color-bg); border-bottom: 1px solid var(--color-border-soft);
  padding: 10px 0; margin-bottom: var(--space-5);
}
.report-nav .report-tab {
  display: inline-flex; align-items: center; gap: 7px;
  border: 1px solid var(--color-border); background: var(--color-surface); cursor: pointer;
  font-size: var(--fs-sm); font-weight: 500; color: var(--color-text-muted);
  padding: 7px 13px; border-radius: var(--radius-full); transition: var(--transition); white-space: nowrap;
}
.report-nav .report-tab [data-lucide] { width: 15px; height: 15px; }
.report-nav .report-tab:hover { color: var(--color-dark); border-color: var(--color-gold); }
@media (max-width: 720px) { .report-nav { overflow-x: auto; flex-wrap: nowrap; } }

/* Kiểm kê tài sản — ma trận sticky cột trái + header (phân hệ 3) */
.asset-scroll { max-height: 72vh; overflow: auto; border: 1px solid var(--color-border); border-radius: 10px; }
.asset-matrix { border-collapse: separate !important; border-spacing: 0; min-width: 1650px; }
.asset-matrix th, .asset-matrix td { background-clip: padding-box; border-bottom: 1px solid var(--color-border-soft); }
.asset-matrix thead { z-index: 8; } /* đè rule chung .data-table thead {z-index:1} — nếu không, ô body sticky (z2) sẽ vẽ đè lên header khi cuộn dọc */
.asset-matrix thead th { position: sticky; z-index: 4; background: var(--color-surface-2); box-sizing: border-box; }
.asset-matrix thead tr:first-child th { top: 0; height: 30px; padding: 4px 6px; }
.asset-matrix thead tr:nth-child(2) th.asset-sub { top: 30px; height: 26px; padding: 3px 4px; z-index: 4; }
.asset-matrix .stk { position: sticky; z-index: 2; background: var(--color-surface); }
.asset-matrix tbody tr:hover .stk { background: var(--color-cream-warm); }
.asset-matrix thead .stk { z-index: 7; background: var(--color-surface-2); }
.asset-matrix .stk-1 { left: 0; width: 40px; min-width: 40px; max-width: 40px; }
.asset-matrix .stk-2 { left: 40px; width: 160px; min-width: 160px; max-width: 160px; }
.asset-matrix .stk-3 { left: 200px; width: 56px; min-width: 56px; max-width: 56px; }
.asset-matrix .stk-4 { left: 256px; width: 112px; min-width: 112px; max-width: 112px; box-shadow: 3px 0 5px -3px rgba(0,0,0,.18); }
/* Dòng nhóm: ô KHÔNG sticky (để không đè header khi cuộn dọc) — chỉ NHÃN bên trong sticky theo chiều ngang */
.asset-matrix .stk-cat-band { background: var(--color-gold-soft, #f3ead6); padding: 0; }
.asset-matrix .stk-cat-band .stk-cat-label { position: sticky; left: 10px; display: inline-block; font-weight: 700; font-size: 11px; text-transform: uppercase; letter-spacing: .05em; color: var(--color-gold-dark); padding: 6px 10px 6px 0; }
.asset-matrix .asset-cat { cursor: pointer; }
.asset-matrix .asset-cat:hover .stk-cat-band { filter: brightness(0.97); }

/* ============================================
   Màn hình đăng nhập
   ============================================ */
#app.logged-out { display: none; }

#login-screen {
  position: fixed; inset: 0; z-index: 9000;
  display: grid; place-items: center; padding: 24px;
  background: var(--color-bg, #FAF8F5);
}
#login-screen .login-card {
  width: 100%; max-width: 380px;
  background: var(--color-surface, #fff);
  border: 1px solid var(--color-border, #E8E2D9);
  border-radius: 16px; padding: 36px 32px;
  box-shadow: 0 12px 40px rgba(0,0,0,.08);
}
#login-screen .login-brand { text-align: center; margin-bottom: 28px; }
#login-screen .login-brand h1 {
  font-family: var(--font-display, serif);
  font-size: 30px; letter-spacing: .12em; margin: 0;
  color: var(--color-text, #1A1814);
}
#login-screen .login-brand p {
  font-size: 13px; font-style: italic; margin-top: 6px;
  color: var(--color-text-muted, #8A8175);
}
#login-screen .login-error {
  margin-top: 14px; padding: 10px 12px; border-radius: 8px;
  background: rgba(200, 60, 60, .08);
  color: var(--color-danger, #C33);
  font-size: 13px;
}
#login-screen .login-hint {
  margin-top: 20px; text-align: center; font-size: 12px;
  color: var(--color-text-muted, #8A8175);
}
#login-screen .form-label { display: block; margin-bottom: 6px; font-size: 13px; }
#login-screen .form-input { display: block; width: 100%; box-sizing: border-box; }