/* ============================================================
   🚌 ENTERPRISE FLEET & REVENUE MANAGEMENT CMS - DESIGN SYSTEM (v10.0 REACT)
   MODULAR STYLING FOR DISPATCH, ACCOUNTING, SALES & CONTRACTS
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500;700&display=swap');

:root {
  /* ── COLOR PALETTE (LIGHT THEME) ── */
  --bg-app: #F8FAFC;
  --bg-sidebar: #0F172A;
  --bg-sidebar-hover: #1E293B;
  --bg-sidebar-active: #2563EB;
  
  --bg-card: #FFFFFF;
  --bg-header: #FFFFFF;
  --bg-hover: #F1F5F9;
  --bg-active: #E2E8F0;
  
  --text-primary: #0F172A;
  --text-secondary: #475569;
  --text-muted: #94A3B8;
  --text-white: #FFFFFF;
  
  --border-color: #E2E8F0;
  --border-subtle: #F1F5F9;
  --border-focus: #2563EB;
  
  /* Brand & Accents */
  --primary: #2563EB;
  --primary-hover: #1D4ED8;
  --primary-light: #EFF6FF;
  
  --success: #16A34A;
  --success-bg: #DCFCE7;
  --success-border: #86EFAC;
  
  --warning: #D97706;
  --warning-bg: #FEF3C7;
  --warning-border: #FDE68A;
  
  --danger: #DC2626;
  --danger-bg: #FEE2E2;
  --danger-border: #FCA5A5;
  
  --purple: #7C3AED;
  --purple-bg: #F3E8FF;
  --purple-border: #DDD6FE;
  
  --cyan: #0891B2;
  --cyan-bg: #ECFEFF;
  --cyan-border: #A5F3FC;

  /* Google Sheets Style Table */
  --sheet-header-bg: #1E293B;
  --sheet-header-text: #F8FAFC;
  --sheet-row-hover: #F0FDF4;
  --sheet-row-selected: #EFF6FF;
  --sheet-grid-line: #CBD5E1;
  --sheet-zebra: #F8FAFC;

  /* Shadows & Radius */
  --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px -1px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);

  --radius-xs: 4px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-xl: 20px;
  --radius-full: 9999px;

  --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --sidebar-width: 270px;
}

/* ── DARK THEME ── */
[data-theme="dark"] {
  --bg-app: #0B0F17;
  --bg-sidebar: #070A10;
  --bg-sidebar-hover: #131B2A;
  --bg-sidebar-active: #2563EB;
  
  --bg-card: #131B2A;
  --bg-header: #131B2A;
  --bg-hover: #1E293B;
  --bg-active: #334155;
  
  --text-primary: #F8FAFC;
  --text-secondary: #CBD5E1;
  --text-muted: #64748B;
  --text-white: #FFFFFF;
  
  --border-color: #1E293B;
  --border-subtle: #131B2A;
  
  --primary-light: #1E3A8A;
  --success-bg: #064E3B;
  --success-border: #047857;
  --warning-bg: #78350F;
  --warning-border: #B45309;
  --danger-bg: #7F1D1D;
  --danger-border: #B91C1C;
  --purple-bg: #581C87;
  --purple-border: #7E22CE;
  --cyan-bg: #164E63;

  --sheet-header-bg: #070A10;
  --sheet-header-text: #F8FAFC;
  --sheet-row-hover: #1E293B;
  --sheet-row-selected: #1E3A8A;
  --sheet-grid-line: #334155;
  --sheet-zebra: #0F172A;
}

/* ── GLOBAL RESET & BASE TYPOGRAPHY ── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background-color: var(--bg-app);
  color: var(--text-primary);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  font-feature-settings: "cv02", "cv03", "cv04", "cv11";
}

/* Số liệu tài chính, ngày tháng hiển thị dạng thẳng hàng (tabular-nums) chống giật dòng */
.kpi-value, .sheet-table td, .ai-field-val, .tabular-nums, .price-tag, .font-mono-num {
  font-variant-numeric: tabular-nums;
}

/* Thanh cuộn hiện đại thanh mảnh (Sleek Minimalist Scrollbar) */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: rgba(148, 163, 184, 0.3);
  border-radius: 6px;
}
::-webkit-scrollbar-thumb:hover {
  background: rgba(148, 163, 184, 0.55);
}

/* Typography Utility Helpers */
.text-truncate {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.text-nowrap {
  white-space: nowrap;
}

input, button, select, textarea {
  font-family: inherit;
  font-size: inherit;
}

a {
  color: inherit;
  text-decoration: none;
}

/* ── APP LAYOUT ── */
.app-layout, .app-container {
  display: flex;
  flex-direction: row;
  min-height: 100vh;
  width: 100%;
  max-width: 100vw;
  position: relative;
  overflow-x: hidden;
  background-color: var(--bg-app);
}

/* ── SIDEBAR NAVIGATION ── */
.sidebar {
  width: var(--sidebar-width);
  min-width: var(--sidebar-width);
  max-width: var(--sidebar-width);
  height: 100vh;
  position: sticky;
  top: 0;
  left: 0;
  background-color: var(--bg-sidebar);
  color: #FFF;
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  z-index: 100;
  transition: var(--transition);
  border-right: 1px solid rgba(255, 255, 255, 0.08);
}

.sidebar-header {
  padding: 20px 18px;
  display: flex;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.sidebar-logo-icon {
  width: 42px;
  height: 42px;
  background: linear-gradient(135deg, #2563EB, #7C3AED);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.4);
}

.sidebar-title h1 {
  font-size: 15px;
  font-weight: 800;
  letter-spacing: -0.2px;
  color: #FFF;
  line-height: 1.2;
}

.sidebar-title p {
  font-size: 11px;
  color: #94A3B8;
  margin-top: 2px;
}

.sidebar-nav {
  flex: 1;
  overflow-y: auto;
  padding: 14px 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.nav-category {
  font-size: 10px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: #64748B;
  padding: 12px 10px 4px 10px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-category-badge {
  background: rgba(37, 99, 235, 0.2);
  color: #60A5FA;
  font-size: 9px;
  padding: 2px 6px;
  border-radius: var(--radius-full);
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  color: #94A3B8;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  user-select: none;
}

.nav-item:hover {
  background-color: var(--bg-sidebar-hover);
  color: #F8FAFC;
}

.nav-item.active {
  background-color: var(--primary);
  color: #FFF;
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.35);
}

.nav-item-icon {
  font-size: 16px;
  width: 20px;
  text-align: center;
}

.nav-item-badge {
  margin-left: auto;
  font-size: 10px;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: var(--radius-full);
}

.sidebar-footer {
  padding: 14px 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(0, 0, 0, 0.2);
}

.user-info-box {
  display: flex;
  align-items: center;
  gap: 10px;
}

.user-avatar {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-full);
  background: #2563EB;
  color: #FFF;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 13px;
}

.user-text h4 {
  font-size: 12px;
  font-weight: 700;
  color: #FFF;
  line-height: 1.2;
}

.user-text p {
  font-size: 10px;
  color: #94A3B8;
}

/* ── MAIN CONTENT AREA ── */
.main-content, .main-wrapper {
  flex: 1 1 0%;
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 100vh;
  overflow-y: auto;
  overflow-x: hidden;
  background-color: var(--bg-app);
}

/* ── TOP HEADER BAR ── */
.top-header {
  background-color: var(--bg-header);
  border-bottom: 1px solid var(--border-color);
  padding: 12px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  position: sticky;
  top: 0;
  z-index: 50;
  flex-shrink: 0;
  width: 100%;
}

.header-left {
  display: flex;
  align-items: center;
  gap: 16px;
}

.page-title-box h2 {
  font-size: 18px;
  font-weight: 800;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.page-title-box p {
  font-size: 12px;
  color: var(--text-secondary);
}

.header-right {
  display: flex;
  align-items: center;
  gap: 10px;
}

.date-filter-control {
  display: flex;
  align-items: center;
  background-color: var(--bg-app);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 4px 8px;
  gap: 6px;
}

.date-filter-control select {
  background: transparent;
  border: none;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-primary);
  outline: none;
  cursor: pointer;
}

.search-input-box {
  position: relative;
  width: 240px;
}

.search-input-box input {
  width: 100%;
  padding: 8px 12px 8px 32px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  background-color: var(--bg-app);
  color: var(--text-primary);
  font-size: 12px;
  outline: none;
  transition: var(--transition);
}

.search-input-box input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.search-input-box .search-icon {
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 13px;
}

/* ── BUTTONS ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
  border: 1px solid transparent;
  user-select: none;
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--primary);
  color: #FFF;
}
.btn-primary:hover {
  background-color: var(--primary-hover);
  box-shadow: 0 2px 8px rgba(37, 99, 235, 0.3);
}

.btn-success {
  background-color: var(--success);
  color: #FFF;
}
.btn-success:hover {
  background-color: #15803D;
  box-shadow: 0 2px 8px rgba(22, 163, 74, 0.3);
}

.btn-warning {
  background-color: var(--warning);
  color: #FFF;
}

.btn-danger {
  background-color: var(--danger);
  color: #FFF;
}

.btn-secondary {
  background-color: var(--bg-card);
  color: var(--text-secondary);
  border-color: var(--border-color);
}
.btn-secondary:hover {
  background-color: var(--bg-hover);
  color: var(--text-primary);
}

.btn-sm {
  padding: 5px 10px;
  font-size: 11px;
}

.btn-icon {
  width: 34px;
  height: 34px;
  padding: 0;
  border-radius: var(--radius-sm);
  background-color: var(--bg-app);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
}
.btn-icon:hover {
  background-color: var(--bg-hover);
  color: var(--text-primary);
}

/* ── VIEW CONTENT ── */
.content-body {
  padding: 24px;
  flex: 1;
}

/* ── KPI STATS GRID ── */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.kpi-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 18px;
  display: flex;
  align-items: center;
  gap: 14px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}
.kpi-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.kpi-icon-box {
  width: 46px;
  height: 46px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
}

.kpi-text-box h3 {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
}

.kpi-text-box .kpi-value {
  font-size: 20px;
  font-weight: 800;
  color: var(--text-primary);
  margin-top: 2px;
  line-height: 1.2;
}

.kpi-text-box .kpi-sub {
  font-size: 11px;
  color: var(--text-secondary);
  margin-top: 4px;
}

/* ── GOOGLE SHEETS STYLE DATA TABLE ── */
.sheet-container {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.sheet-toolbar {
  padding: 12px 18px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  background-color: var(--bg-card);
}

.sheet-toolbar-left {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.sheet-toolbar-right {
  display: flex;
  align-items: center;
  gap: 8px;
}

.sheet-filter-pill {
  padding: 5px 12px;
  border-radius: var(--radius-full);
  font-size: 11px;
  font-weight: 700;
  cursor: pointer;
  border: 1px solid var(--border-color);
  background-color: var(--bg-app);
  color: var(--text-secondary);
  transition: var(--transition);
}
.sheet-filter-pill:hover {
  background-color: var(--bg-hover);
  color: var(--text-primary);
}
.sheet-filter-pill.active {
  background-color: var(--primary);
  color: #FFF;
  border-color: var(--primary);
}

.sheet-table-wrapper {
  overflow-x: auto;
  max-height: calc(100vh - 280px);
  position: relative;
}

.sheet-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  font-size: 12px;
  text-align: left;
}

.sheet-table thead th {
  background-color: var(--sheet-header-bg);
  color: var(--sheet-header-text);
  font-weight: 700;
  padding: 10px 12px;
  border-right: 1px solid #334155;
  border-bottom: 2px solid #0F172A;
  white-space: nowrap;
  position: sticky;
  top: 0;
  z-index: 20;
  font-size: 11.5px;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.sheet-table tbody td {
  padding: 9px 12px;
  border-right: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  color: var(--text-primary);
  white-space: nowrap;
  vertical-align: middle;
}

.sheet-table tbody tr:nth-child(even) {
  background-color: var(--sheet-zebra);
}

.sheet-table tbody tr:hover {
  background-color: var(--sheet-row-hover);
}

.sheet-table tbody tr.row-selected {
  background-color: var(--sheet-row-selected);
}

.sheet-table tfoot td {
  background-color: var(--bg-app);
  font-weight: 800;
  padding: 12px;
  border-top: 2px solid var(--border-color);
  border-right: 1px solid var(--border-color);
  color: var(--text-primary);
  position: sticky;
  bottom: 0;
  z-index: 10;
}

/* ── STATUS BADGES ── */
.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 8px;
  border-radius: var(--radius-full);
  font-size: 11px;
  font-weight: 700;
  line-height: 1.2;
}

.badge-dot {
  width: 7px;
  height: 7px;
  border-radius: var(--radius-full);
}

.badge-green {
  background-color: var(--success-bg);
  color: var(--success);
  border: 1px solid var(--success-border);
}
.badge-green .badge-dot { background-color: var(--success); }

.badge-yellow {
  background-color: var(--warning-bg);
  color: var(--warning);
  border: 1px solid var(--warning-border);
}
.badge-yellow .badge-dot { background-color: var(--warning); }

.badge-blue {
  background-color: var(--primary-light);
  color: var(--primary);
  border: 1px solid #BFDBFE;
}
.badge-blue .badge-dot { background-color: var(--primary); }

.badge-purple {
  background-color: var(--purple-bg);
  color: var(--purple);
  border: 1px solid var(--purple-border);
}
.badge-purple .badge-dot { background-color: var(--purple); }

.badge-gray {
  background-color: #F1F5F9;
  color: #64748B;
  border: 1px solid #E2E8F0;
}
.badge-gray .badge-dot { background-color: #64748B; }

.badge-red {
  background-color: var(--danger-bg);
  color: var(--danger);
  border: 1px solid var(--danger-border);
}
.badge-red .badge-dot { background-color: var(--danger); }

/* ── UNC LINK / BUTTON ── */
.unc-view-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: #2563EB;
  font-weight: 700;
  cursor: pointer;
  padding: 2px 6px;
  border-radius: var(--radius-xs);
  transition: var(--transition);
}
.unc-view-btn:hover {
  background-color: #EFF6FF;
  text-decoration: underline;
}

.unc-none-text {
  color: #94A3B8;
  font-style: italic;
  font-size: 11px;
}

/* ── MODAL DIALOGS ── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(15, 23, 42, 0.7);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 20px;
  animation: fadeIn 0.15s ease-out;
}

.modal-box {
  background-color: var(--bg-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--border-color);
  width: 100%;
  max-width: 780px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  animation: scaleUp 0.15s ease-out;
}

.modal-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background-color: var(--bg-card);
}

.modal-header h3 {
  font-size: 16px;
  font-weight: 800;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.modal-body {
  padding: 20px;
  overflow-y: auto;
  flex: 1;
}

.modal-footer {
  padding: 14px 20px;
  border-top: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
  background-color: var(--bg-app);
}

/* ── FORM CONTROLS ── */
.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

.form-grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.form-grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

.form-col-full {
  grid-column: 1 / -1;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.form-group label {
  font-size: 11.5px;
  font-weight: 700;
  color: var(--text-secondary);
}

.form-control {
  width: 100%;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  background-color: var(--bg-card);
  color: var(--text-primary);
  font-size: 12.5px;
  outline: none;
  transition: var(--transition);
}

.form-control:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

/* ── GANTT CHART TIMELINE ── */
.gantt-container {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow-x: auto;
  box-shadow: var(--shadow-sm);
}

.gantt-grid {
  display: grid;
  min-width: 1100px;
}

.gantt-header-row {
  display: flex;
  background-color: #1E293B;
  color: #FFF;
  font-size: 11px;
  font-weight: 700;
  position: sticky;
  top: 0;
  z-index: 10;
}

.gantt-col-vehicle {
  width: 160px;
  padding: 10px;
  flex-shrink: 0;
  border-right: 1px solid #334155;
  background-color: #0F172A;
}

.gantt-col-days {
  flex: 1;
  display: flex;
}

.gantt-day-cell {
  flex: 1;
  min-width: 32px;
  text-align: center;
  padding: 6px 2px;
  border-right: 1px solid #334155;
  font-size: 11px;
}

.gantt-day-cell.is-today {
  background-color: #2563EB;
}

.gantt-day-cell.is-weekend {
  background-color: rgba(217, 119, 6, 0.25);
  color: #FBBF24;
}

.gantt-vehicle-row {
  display: flex;
  border-bottom: 1px solid var(--border-color);
  min-height: 48px;
  position: relative;
}

.gantt-vehicle-name {
  width: 160px;
  padding: 8px 10px;
  font-weight: 700;
  font-size: 12px;
  background-color: var(--bg-app);
  border-right: 1px solid var(--border-color);
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.gantt-timeline-area {
  flex: 1;
  display: flex;
  position: relative;
  background-size: calc(100% / 31) 100%;
}

.gantt-tour-bar {
  position: absolute;
  top: 6px;
  bottom: 6px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, #2563EB, #1D4ED8);
  color: #FFF;
  padding: 4px 8px;
  font-size: 11px;
  font-weight: 700;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  display: flex;
  align-items: center;
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  transition: var(--transition);
  z-index: 5;
}
.gantt-tour-bar:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
  filter: brightness(1.1);
}

.gantt-tour-bar.is-conflict {
  background: linear-gradient(135deg, #DC2626, #991B1B) !important;
  animation: pulseConflict 1.5s infinite;
}

/* ── SALES LEADERBOARD & PERFORMANCE CARDS ── */
.sales-card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.sales-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 20px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.sales-card-header {
  display: flex;
  align-items: center;
  gap: 12px;
}

.sales-avatar {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, #7C3AED, #2563EB);
  color: #FFF;
  font-size: 18px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
}

.sales-stats-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
  background-color: var(--bg-app);
  padding: 10px;
  border-radius: var(--radius-sm);
}

.stat-item h5 {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-muted);
}

.stat-item p {
  font-size: 14px;
  font-weight: 800;
  color: var(--text-primary);
  margin-top: 2px;
}

/* ── SPREADSHEET ONLINE VIEW ── */
.spreadsheet-grid {
  width: 100%;
  border-collapse: collapse;
}

.spreadsheet-grid th, .spreadsheet-grid td {
  border: 1px solid var(--border-color);
  padding: 6px 10px;
  font-size: 12px;
}

.spreadsheet-input {
  width: 100%;
  border: none;
  background: transparent;
  outline: none;
  font-size: 12px;
  color: inherit;
  font-family: inherit;
}
.spreadsheet-input:focus {
  background-color: var(--primary-light);
}

/* ── ANIMATIONS ── */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes scaleUp {
  from { opacity: 0; transform: scale(0.96); }
  to { opacity: 1; transform: scale(1); }
}

@keyframes pulseConflict {
  0% { box-shadow: 0 0 0 0 rgba(220, 38, 38, 0.6); }
  70% { box-shadow: 0 0 0 8px rgba(220, 38, 38, 0); }
  100% { box-shadow: 0 0 0 0 rgba(220, 38, 38, 0); }
}

/* ── CONTRACT PRINT & PREVIEW STYLES ── */
.contract-a4-preview {
  background: #FFF;
  color: #111827;
  padding: 30px 40px;
  border-radius: 8px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
  font-family: Arial, -apple-system, sans-serif;
  line-height: 1.5;
  font-size: 12.5px;
}

@media print {
  body * {
    visibility: hidden;
  }
  #printableContractArea, #printableContractArea * {
    visibility: visible;
  }
  #printableContractArea {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    padding: 10mm 15mm;
    margin: 0;
    box-shadow: none;
    border: none;
  }
}

/* ── FLOATING QUICK-ADD BUTTON (FAB) & AI MODAL ── */
.floating-quick-btn {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 980;
  height: 52px;
  min-width: 52px;
  border-radius: 26px;
  background: linear-gradient(135deg, #2563EB 0%, #7C3AED 100%);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0 18px 0 14px;
  box-shadow: 0 8px 24px rgba(37, 99, 235, 0.45);
  border: none;
  outline: none;
  cursor: pointer;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  font-family: inherit;
  font-weight: 800;
  font-size: 13.5px;
  user-select: none;
}
.floating-quick-btn:hover {
  transform: translateY(-3px) scale(1.03);
  box-shadow: 0 12px 32px rgba(124, 58, 237, 0.55);
}
.floating-quick-btn .fab-icon {
  font-size: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}
.floating-quick-btn .fab-label {
  letter-spacing: -0.2px;
  white-space: nowrap;
}
.floating-quick-btn .fab-badge {
  background: rgba(255, 255, 255, 0.25);
  padding: 2px 7px;
  border-radius: 12px;
  font-size: 10.5px;
  font-weight: 700;
  margin-left: 2px;
  white-space: nowrap;
}

/* AI Verify Card */
.ai-verify-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  margin-top: 16px;
}
.ai-verify-header {
  padding: 12px 18px;
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.12), rgba(37, 99, 235, 0.08));
  border-bottom: 1px solid rgba(16, 185, 129, 0.25);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}
.ai-verify-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 14px;
  padding: 18px;
  background: var(--bg-card);
}
.ai-field-box {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.ai-field-box label {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 0.3px;
}
.ai-field-box .ai-field-val {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-primary);
}
.ai-field-box input,
.ai-field-box select {
  font-size: 13px;
  padding: 8px 10px;
  border-radius: 6px;
  border: 1px solid var(--border-color);
  background: var(--bg-app);
  color: var(--text-primary);
  outline: none;
}
.ai-field-box input:focus,
.ai-field-box select:focus {
  border-color: var(--primary);
}

/* ============================================================
   📱 HỆ THỐNG RESPONSIVE NÂNG CAO CHO TABLET & MOBILE
   TINH GỌN CHỮ NGHĨA, TỐI ƯU GIAO DIỆN & TRẢI NGHIỆM CẢM ỨNG
   ============================================================ */

/* ── 1. TABLET (MÀN HÌNH TỪ 769px ĐẾN 1024px) ── */
@media (max-width: 1024px) {
  .sidebar {
    position: fixed;
    left: -100%;
    top: 0;
    bottom: 0;
    z-index: 1000;
    transition: left 0.28s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 4px 0 24px rgba(0, 0, 0, 0.4);
  }
  .sidebar.open {
    left: 0;
  }
  .sidebar-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(4px);
    z-index: 999;
  }
}

@media (min-width: 769px) and (max-width: 1024px) {
  .content-body {
    padding: 16px 18px;
  }

  .top-header {
    padding: 10px 16px;
    gap: 12px;
  }
  .page-title-box h2 {
    font-size: 15px;
  }
  .page-title-desc {
    font-size: 11px;
    max-width: 250px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .header-search-box {
    width: 160px;
  }
  .header-search-box input {
    font-size: 12px;
    padding: 6px 10px 6px 28px;
  }

  /* KPI Grid trên Tablet: 2 cột cân đối */
  .kpi-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin-bottom: 18px;
  }
  .kpi-card {
    padding: 14px 16px;
  }
  .kpi-text-box h3 {
    font-size: 10.5px;
  }
  .kpi-text-box .kpi-value {
    font-size: 17px;
  }
  .kpi-text-box .kpi-sub {
    font-size: 10.5px;
  }

  /* Form Grids trên Tablet: 2 cột đều */
  .form-grid-3, .form-grid-4 {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .modal-box {
    width: 92%;
    max-width: 720px;
  }

  .floating-quick-btn {
    bottom: 22px;
    right: 22px;
    height: 48px;
    padding: 0 16px;
    font-size: 13px;
  }
  .floating-quick-btn .fab-badge {
    display: none;
  }

  .sheet-table th, .sheet-table td {
    padding: 8px 10px;
    font-size: 11.5px;
  }
}

/* ── 2. MOBILE PHONES (MÀN HÌNH <= 768px) ── */
@media (max-width: 768px) {
  /* Tinh gọn khoảng cách toàn trang */
  .content-body {
    padding: 10px 8px;
  }

  /* Header thanh mảnh, tinh gọn tối đa chữ */
  .top-header {
    padding: 8px 10px;
    min-height: 50px;
    flex-wrap: wrap;
    gap: 6px;
  }

  .header-left {
    gap: 8px;
    min-width: 0;
    flex: 1 1 auto;
  }

  .header-hamburger-btn {
    width: 36px;
    height: 36px;
    font-size: 18px;
    border-radius: 8px;
    flex-shrink: 0;
  }

  .page-title-box {
    min-width: 0;
    flex: 1;
  }
  .page-title-box h2 {
    font-size: 13.5px;
    font-weight: 800;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    line-height: 1.2;
  }

  /* Ẩn dòng chữ mô tả dài trên Mobile để không choán chỗ */
  .page-title-desc {
    display: none !important;
  }

  /* Thanh điều khiển ngang cuộn mượt */
  .header-right {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    padding-bottom: 2px;
    margin-top: 2px;
  }
  .header-right::-webkit-scrollbar {
    display: none;
  }

  .header-live-btn {
    padding: 5px 8px !important;
    font-size: 11px !important;
    flex-shrink: 0;
    border-radius: 8px;
  }
  /* Ẩn chữ 'MySQL Live' trên mobile, chỉ giữ chấm trạng thái và icon xoay */
  .header-live-text {
    display: none !important;
  }

  .header-filter-vehicle, 
  .header-filter-staff, 
  .header-filter-date {
    flex-shrink: 0;
    padding: 4px 6px;
    font-size: 11px;
    border-radius: 8px;
    max-width: 130px;
  }

  .header-search-box {
    width: 100%;
    order: 10;
    margin-top: 4px;
    flex-shrink: 0;
  }
  .header-search-box input {
    height: 34px;
    font-size: 12px;
    padding: 6px 10px 6px 28px;
    border-radius: 8px;
  }
  .header-search-box .search-icon {
    font-size: 11px;
    left: 9px;
  }

  .header-add-btn {
    flex-shrink: 0;
    padding: 5px 10px !important;
    font-size: 11.5px !important;
    border-radius: 8px;
    white-space: nowrap;
  }
  .btn-add-label {
    font-size: 11.5px;
  }

  /* KPI Thẻ số liệu trên Mobile: 2 cột chữ tinh gọn */
  .kpi-grid {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 6px !important;
    margin-bottom: 10px !important;
  }
  .kpi-card {
    padding: 8px 10px !important;
    gap: 8px !important;
    border-radius: 10px !important;
  }
  .kpi-icon-box {
    width: 32px !important;
    height: 32px !important;
    font-size: 15px !important;
    border-radius: 8px !important;
    flex-shrink: 0;
  }
  .kpi-text-box {
    min-width: 0;
    flex: 1;
  }
  .kpi-text-box h3 {
    font-size: 9px !important;
    font-weight: 800 !important;
    letter-spacing: 0.1px !important;
    line-height: 1.1 !important;
    margin-bottom: 1px !important;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }
  .kpi-text-box .kpi-value {
    font-size: 14.5px !important;
    font-weight: 800 !important;
    line-height: 1.2 !important;
  }
  .kpi-text-box .kpi-sub {
    font-size: 8.5px !important;
    line-height: 1.1 !important;
    margin-top: 1px !important;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  /* Thanh công cụ bảng tính trên Mobile */
  .sheet-toolbar {
    padding: 8px !important;
    gap: 8px !important;
    flex-direction: column !important;
    align-items: stretch !important;
  }
  .sheet-toolbar-left {
    overflow-x: auto !important;
    flex-wrap: nowrap !important;
    padding-bottom: 2px !important;
    -webkit-overflow-scrolling: touch !important;
    scrollbar-width: none !important;
    gap: 5px !important;
    width: 100% !important;
  }
  .sheet-toolbar-left::-webkit-scrollbar {
    display: none !important;
  }
  .sheet-filter-pill {
    padding: 3px 8px !important;
    font-size: 10px !important;
    white-space: nowrap !important;
    flex-shrink: 0 !important;
    border-radius: 12px !important;
  }
  .sheet-toolbar-right {
    width: 100% !important;
    justify-content: space-between !important;
    gap: 6px !important;
  }
  .sheet-toolbar-right .btn {
    flex: 1 !important;
    padding: 6px 8px !important;
    font-size: 11px !important;
    justify-content: center !important;
    border-radius: 8px !important;
  }

  /* Bảng dữ liệu: Chữ tinh gọn, không rớt dòng số tiền/ngày */
  .sheet-table-wrapper {
    -webkit-overflow-scrolling: touch;
    max-height: calc(100vh - 210px);
    border-radius: 8px;
  }
  .sheet-table {
    font-size: 11px;
  }
  .sheet-table thead th {
    padding: 7px 8px !important;
    font-size: 10.5px !important;
    letter-spacing: 0.2px !important;
  }
  .sheet-table tbody td {
    padding: 6px 8px !important;
    font-size: 11px !important;
  }
  .status-badge {
    font-size: 9.5px !important;
    padding: 2px 6px !important;
    border-radius: 10px !important;
    gap: 3px !important;
  }
  .badge-dot {
    width: 5px !important;
    height: 5px !important;
  }

  /* Hộp thoại Modal: Thiết kế Top-Sheet Scrollable trên Mobile chống bị bàn phím ảo che khuất */
  .modal-overlay {
    padding: 0 !important;
    align-items: flex-start !important;
    overflow-y: auto !important;
    -webkit-overflow-scrolling: touch !important;
    padding-bottom: 280px !important;
  }
  .modal-box {
    width: 100% !important;
    max-width: 100% !important;
    border-radius: 0 0 16px 16px !important;
    max-height: calc(100dvh - 20px) !important;
    margin: 0 auto !important;
    display: flex !important;
    flex-direction: column !important;
    box-shadow: 0 12px 35px rgba(0,0,0,0.6) !important;
  }
  .modal-header {
    padding: 12px 14px !important;
    position: sticky !important;
    top: 0 !important;
    z-index: 50 !important;
    background: var(--bg-card) !important;
    border-bottom: 1px solid var(--border-color) !important;
  }
  .modal-header h3 {
    font-size: 14.5px !important;
  }
  .modal-body {
    padding: 14px 12px 120px 12px !important; /* Đệm chân lớn để cuộn vượt qua bàn phím điện thoại */
    overflow-y: auto !important;
    -webkit-overflow-scrolling: touch !important;
    flex: 1 !important;
  }
  .modal-footer {
    padding: 10px 14px !important;
    position: sticky !important;
    bottom: 0 !important;
    z-index: 50 !important;
    background: var(--bg-card) !important;
    border-top: 1px solid var(--border-color) !important;
    box-shadow: 0 -4px 14px rgba(0, 0, 0, 0.25) !important;
    flex-direction: column-reverse !important;
    gap: 8px !important;
    width: 100% !important;
  }
  .modal-footer .btn {
    width: 100% !important;
    justify-content: center !important;
    padding: 11px !important;
    font-size: 13.5px !important;
    border-radius: 8px !important;
  }

  /* Tất cả lưới form chuyển về 1 cột trên Mobile để ô nhập rộng rãi */
  .form-grid, .form-grid-3, .form-grid-4 {
    grid-template-columns: 1fr !important;
    gap: 8px !important;
  }
  .form-group label {
    font-size: 11px !important;
    margin-bottom: 3px !important;
  }

  /* TOÀN BỘ Ô NHẬP LIỆU TRÊN MOBILE: ÉP FONT-SIZE >= 16px ĐỂ CHẶN 100% TÍNH NĂNG TỰ ĐỘNG ZOOM CỦA TRÌNH DUYỆT */
  input, select, textarea, .form-control, .login-input {
    font-size: 16px !important;
    line-height: 1.4 !important;
  }
  .form-control {
    padding: 9px 12px !important;
    border-radius: 8px !important;
    min-height: 42px !important;
  }

  /* Nút nổi Thêm Tour AI (FAB) trên Mobile: Thu tròn 48px, ẩn chữ, không che màn hình */
  .floating-quick-btn {
    bottom: 16px !important;
    right: 16px !important;
    width: 48px !important;
    height: 48px !important;
    min-width: 48px !important;
    border-radius: 50% !important;
    padding: 0 !important;
    justify-content: center !important;
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.45) !important;
    z-index: 990 !important;
  }
  .floating-quick-btn .fab-label, 
  .floating-quick-btn .fab-badge {
    display: none !important;
  }
  .floating-quick-btn .fab-icon {
    font-size: 22px !important;
    margin: 0 !important;
  }

  /* Thẻ kiểm tra AI bóc tách trên Mobile */
  .ai-verify-grid {
    grid-template-columns: 1fr !important;
    gap: 8px !important;
    padding: 10px !important;
  }
  .ai-field-box {
    grid-column: 1 / -1 !important;
  }
  .ai-field-box label {
    font-size: 11px !important;
  }
  .ai-field-box input, 
  .ai-field-box select {
    font-size: 16px !important;
    padding: 8px 10px !important;
    min-height: 40px !important;
  }
  .ai-verify-header {
    padding: 8px 12px !important;
    gap: 4px !important;
  }

  /* Lịch Gantt trên Mobile */
  .gantt-col-vehicle, 
  .gantt-vehicle-name {
    width: 95px !important;
    font-size: 10px !important;
    padding: 5px !important;
  }
  .gantt-day-cell {
    min-width: 25px !important;
    font-size: 9.5px !important;
    padding: 3px 0 !important;
  }
  .gantt-tour-bar {
    font-size: 9.5px !important;
    padding: 2px 4px !important;
    height: 28px !important;
  }
}