/* ==========================================================================
   Thực Phẩm 247 - Financial Management & P&L Analytics System
   Modern Premium Design System
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&family=Inter:wght@300;400;500;600;700&display=swap');

:root {
  /* Color Palette */
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --primary-light: #eff6ff;
  --primary-dark: #1e40af;
  
  --emerald: #10b981;
  --emerald-hover: #059669;
  --emerald-light: #ecfdf5;
  --emerald-dark: #065f46;
  
  --rose: #f43f5e;
  --rose-hover: #e11d48;
  --rose-light: #fff1f2;
  
  --amber: #f59e0b;
  --amber-light: #fffbeb;
  
  --indigo: #6366f1;
  --indigo-light: #eef2ff;
  
  --purple: #8b5cf6;
  --purple-light: #f5f3ff;
  
  --cyan: #06b6d4;
  --cyan-light: #ecfeff;

  /* Neutrals */
  --slate-900: #0f172a;
  --slate-800: #1e293b;
  --slate-700: #334155;
  --slate-600: #475569;
  --slate-500: #64748b;
  --slate-400: #94a3b8;
  --slate-300: #cbd5e1;
  --slate-200: #e2e8f0;
  --slate-100: #f1f5f9;
  --slate-50:  #f8fafc;
  --white:     #ffffff;

  /* App Canvas */
  --bg-app: #f8fafc;
  --bg-card: #ffffff;
  --bg-sidebar: #0f172a;
  
  /* Borders & Shadows */
  --border-subtle: #e2e8f0;
  --border-focus: #3b82f6;
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.08), 0 2px 4px -2px rgb(0 0 0 / 0.05);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.08), 0 4px 6px -4px rgb(0 0 0 / 0.04);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.05);

  /* Dimensions */
  --sidebar-width: 270px;
  --topbar-height: 70px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 22px;
  --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset & Basics */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Plus Jakarta Sans', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background-color: var(--bg-app);
  color: var(--slate-800);
  line-height: 1.5;
  font-size: 0.925rem;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

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

/* Sidebar */
.app-sidebar {
  width: var(--sidebar-width);
  background: var(--bg-sidebar);
  color: var(--slate-300);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 100;
  transition: var(--transition);
  box-shadow: 4px 0 24px rgba(0, 0, 0, 0.15);
}

.sidebar-header {
  height: var(--topbar-height);
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.brand-badge {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.brand-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, #10b981 0%, #059669 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.25rem;
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.35);
}

.brand-text h2 {
  font-size: 1.05rem;
  font-weight: 800;
  color: #ffffff;
  letter-spacing: -0.02em;
}

.brand-text p {
  font-size: 0.72rem;
  color: var(--slate-400);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.sidebar-nav {
  flex: 1;
  padding: 1.25rem 0.85rem;
  overflow-y: auto;
}

.nav-section-title {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--slate-500);
  padding: 0.75rem 0.85rem 0.4rem;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  padding: 0.75rem 1rem;
  margin-bottom: 0.25rem;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--slate-300);
  transition: var(--transition);
}

.nav-item i {
  font-size: 1.15rem;
  width: 22px;
  text-align: center;
  color: var(--slate-400);
  transition: var(--transition);
}

.nav-item:hover {
  background: rgba(255, 255, 255, 0.06);
  color: #ffffff;
}

.nav-item:hover i {
  color: var(--emerald);
}

.nav-item.active {
  background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
  color: #ffffff;
  font-weight: 600;
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.35);
}

.nav-item.active i {
  color: #ffffff;
}

.sidebar-footer {
  padding: 1.25rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(0, 0, 0, 0.15);
}

.user-snippet {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.user-avatar {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.9rem;
}

.user-meta h4 {
  font-size: 0.85rem;
  color: #fff;
  font-weight: 600;
}

.user-meta p {
  font-size: 0.75rem;
  color: var(--slate-400);
}

/* Main Content Area */
.app-main {
  margin-left: var(--sidebar-width);
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
  background: var(--bg-app);
}

/* Topbar */
.app-topbar {
  height: var(--topbar-height);
  background: var(--white);
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2rem;
  position: sticky;
  top: 0;
  z-index: 90;
  backdrop-filter: blur(8px);
  box-shadow: 0 1px 3px rgba(0,0,0,0.03);
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.menu-toggle-btn {
  display: none;
  background: none;
  border: none;
  font-size: 1.4rem;
  color: var(--slate-600);
  cursor: pointer;
}

.page-title-box h1 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--slate-900);
  letter-spacing: -0.02em;
}

.page-title-box p {
  font-size: 0.8rem;
  color: var(--slate-500);
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Page Content */
.page-body {
  padding: 2rem;
  flex: 1;
}

/* ==========================================================================
   Buttons & UI Elements
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.6rem 1.15rem;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  border: 1px solid transparent;
  outline: none;
  text-decoration: none;
}

.btn-primary {
  background: var(--primary);
  color: var(--white);
  box-shadow: 0 2px 8px rgba(37, 99, 235, 0.25);
}
.btn-primary:hover {
  background: var(--primary-hover);
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.35);
  transform: translateY(-1px);
}

.btn-emerald {
  background: var(--emerald);
  color: var(--white);
  box-shadow: 0 2px 8px rgba(16, 185, 129, 0.25);
}
.btn-emerald:hover {
  background: var(--emerald-hover);
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.35);
  transform: translateY(-1px);
}

.btn-outline {
  background: var(--white);
  border: 1px solid var(--slate-300);
  color: var(--slate-700);
}
.btn-outline:hover {
  background: var(--slate-50);
  border-color: var(--slate-400);
}

.btn-sm {
  padding: 0.4rem 0.75rem;
  font-size: 0.8rem;
}

.btn-icon {
  width: 36px;
  height: 36px;
  padding: 0;
  border-radius: var(--radius-md);
}

/* ==========================================================================
   Filter & Period Selector Bar
   ========================================================================== */
.filter-bar {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 1.15rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.75rem;
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-sm);
  flex-wrap: wrap;
}

.filter-group {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.filter-label {
  font-size: 0.825rem;
  font-weight: 600;
  color: var(--slate-600);
}

.form-control, .form-select {
  padding: 0.55rem 0.9rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--slate-200);
  background-color: var(--white);
  color: var(--slate-800);
  font-size: 0.875rem;
  font-family: inherit;
  transition: var(--transition);
}

.form-control:focus, .form-select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

/* ==========================================================================
   KPI Cards Grid
   ========================================================================== */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.25rem;
  margin-bottom: 1.75rem;
}

.kpi-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 1.4rem;
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.kpi-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.kpi-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
}

.kpi-card.emerald::before { background: var(--emerald); }
.kpi-card.primary::before { background: var(--primary); }
.kpi-card.rose::before    { background: var(--rose); }
.kpi-card.amber::before   { background: var(--amber); }
.kpi-card.purple::before  { background: var(--purple); }
.kpi-card.indigo::before  { background: var(--indigo); }

.kpi-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.85rem;
}

.kpi-title {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--slate-500);
}

.kpi-icon-box {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.15rem;
}

.kpi-icon-box.emerald { background: var(--emerald-light); color: var(--emerald); }
.kpi-icon-box.primary { background: var(--primary-light); color: var(--primary); }
.kpi-icon-box.rose    { background: var(--rose-light); color: var(--rose); }
.kpi-icon-box.amber   { background: var(--amber-light); color: var(--amber); }
.kpi-icon-box.purple  { background: var(--purple-light); color: var(--purple); }
.kpi-icon-box.indigo  { background: var(--indigo-light); color: var(--indigo); }

.kpi-value {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--slate-900);
  line-height: 1.2;
  letter-spacing: -0.03em;
  margin-bottom: 0.4rem;
}

.kpi-subtext {
  font-size: 0.775rem;
  color: var(--slate-500);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.kpi-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.2rem;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.15rem 0.45rem;
  border-radius: var(--radius-sm);
}

.kpi-badge.profit {
  background: var(--emerald-light);
  color: var(--emerald-dark);
}

.kpi-badge.loss {
  background: var(--rose-light);
  color: var(--rose);
}

/* ==========================================================================
   Cards & Panels
   ========================================================================== */
.card {
  background: var(--white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-sm);
  margin-bottom: 1.75rem;
  overflow: hidden;
}

.card-header {
  padding: 1.25rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-subtle);
  background: var(--white);
  flex-wrap: wrap;
  gap: 0.75rem;
}

.card-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--slate-900);
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.card-title i {
  color: var(--primary);
}

.card-body {
  padding: 1.5rem;
}

/* Charts Grid */
.charts-grid-2 {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 1.5rem;
  margin-bottom: 1.75rem;
}

@media (max-width: 1024px) {
  .charts-grid-2 {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   Modern Data Tables
   ========================================================================== */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.875rem;
}

.table th {
  background: var(--slate-50);
  color: var(--slate-600);
  font-weight: 700;
  font-size: 0.775rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.85rem 1.15rem;
  border-bottom: 1px solid var(--border-subtle);
  white-space: nowrap;
}

.table td {
  padding: 0.9rem 1.15rem;
  border-bottom: 1px solid var(--border-subtle);
  color: var(--slate-700);
  vertical-align: middle;
}

.table tbody tr:hover {
  background-color: var(--slate-50);
}

.table .num {
  text-align: right;
  font-variant-numeric: tabular-nums;
  font-weight: 600;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.25rem 0.6rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 600;
  white-space: nowrap;
}

.badge-success { background: var(--emerald-light); color: var(--emerald-dark); }
.badge-danger  { background: var(--rose-light); color: var(--rose); }
.badge-info    { background: var(--primary-light); color: var(--primary-dark); }
.badge-warning { background: var(--amber-light); color: #b45309; }
.badge-gray    { background: var(--slate-100); color: var(--slate-600); }
.badge-purple  { background: #f3e8ff; color: #7e22ce; }
.badge-sky     { background: #e0f2fe; color: #0284c7; }
.badge-indigo  { background: #e0e7ff; color: #4338ca; }

/* Filter pills */
.filter-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  align-items: center;
}

.pill-item {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.35rem 0.75rem;
  border-radius: 9999px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--slate-600);
  background: var(--slate-100);
  border: 1px solid var(--border-subtle);
  text-decoration: none;
  transition: all 0.2s ease;
  cursor: pointer;
}

.pill-item:hover {
  background: var(--slate-200);
  color: var(--slate-900);
}

.pill-item.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
  box-shadow: 0 2px 6px rgba(16, 185, 129, 0.25);
}


/* ==========================================================================
   P&L Financial Statement Table
   ========================================================================== */
.pnl-table {
  width: 100%;
  border-collapse: collapse;
}

.pnl-table th, .pnl-table td {
  padding: 0.85rem 1.25rem;
  border-bottom: 1px solid var(--border-subtle);
}

.pnl-table th {
  background: var(--slate-100);
  color: var(--slate-700);
  font-weight: 700;
  text-transform: uppercase;
  font-size: 0.8rem;
}

.pnl-section-header {
  background: var(--slate-50);
  font-weight: 700;
  color: var(--slate-900);
  font-size: 0.9rem;
}

.pnl-subtotal {
  font-weight: 700;
  background: rgba(37, 99, 235, 0.04);
  color: var(--slate-900);
}

.pnl-grand-total {
  font-weight: 800;
  font-size: 1.05rem;
  background: rgba(16, 185, 129, 0.08);
  color: var(--emerald-dark);
}

.pnl-grand-total.loss {
  background: rgba(244, 63, 94, 0.08);
  color: var(--rose);
}

.indent-1 { padding-left: 2.25rem !important; }
.indent-2 { padding-left: 3.5rem !important; }

/* ==========================================================================
   Modals
   ========================================================================== */
.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(15, 23, 42, 0.65);
  backdrop-filter: blur(4px);
  z-index: 999;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.modal-backdrop.active {
  display: flex;
}

.modal-content {
  background: var(--white);
  border-radius: var(--radius-xl);
  width: 100%;
  max-width: 650px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--border-subtle);
  animation: modalIn 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes modalIn {
  from { opacity: 0; transform: scale(0.95) translateY(10px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}

.modal-header {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-header h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--slate-900);
}

.modal-close-btn {
  background: none;
  border: none;
  font-size: 1.35rem;
  color: var(--slate-400);
  cursor: pointer;
  padding: 0.2rem;
  border-radius: var(--radius-sm);
}

.modal-close-btn:hover {
  color: var(--rose);
}

.modal-body {
  padding: 1.5rem;
}

.modal-footer {
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--border-subtle);
  background: var(--slate-50);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.75rem;
}

/* Form Styles */
.form-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.form-group {
  margin-bottom: 1.2rem;
}

.form-group label {
  display: block;
  font-size: 0.825rem;
  font-weight: 600;
  color: var(--slate-700);
  margin-bottom: 0.35rem;
}

.input-with-icon {
  position: relative;
}

.input-with-icon input {
  width: 100%;
  padding-right: 2.5rem;
}

.input-suffix {
  position: absolute;
  right: 0.85rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--slate-400);
  font-size: 0.8rem;
  font-weight: 600;
  pointer-events: none;
}

/* Tabs */
.tabs-nav {
  display: flex;
  border-bottom: 1px solid var(--border-subtle);
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.tab-btn {
  padding: 0.75rem 1.25rem;
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--slate-500);
  cursor: pointer;
  transition: var(--transition);
}

.tab-btn:hover {
  color: var(--primary);
}

.tab-btn.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
}

.tab-pane {
  display: none;
}

.tab-pane.active {
  display: block;
}

/* Flash message alert */
.alert {
  padding: 1rem 1.25rem;
  border-radius: var(--radius-md);
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 500;
  font-size: 0.9rem;
}

.alert-success { background: var(--emerald-light); color: var(--emerald-dark); border: 1px solid #a7f3d0; }
.alert-danger  { background: var(--rose-light); color: var(--rose); border: 1px solid #fecdd3; }
.alert-warning { background: var(--amber-light); color: #92400e; border: 1px solid #fde68a; }

/* Responsive */
@media (max-width: 900px) {
  .app-sidebar {
    transform: translateX(-100%);
  }
  .app-sidebar.open {
    transform: translateX(0);
  }
  .app-main {
    margin-left: 0;
  }
  .menu-toggle-btn {
    display: inline-block;
  }
  .page-body {
    padding: 1.25rem;
  }
  .form-grid-2 {
    grid-template-columns: 1fr;
  }
}