/* ==========================================================================
   F&B Revenue & Cost Dashboard - Stylesheet (styles.css)
   Aesthetic: Premium Slate Dark Mode with Emerald (Profit) and Coral (Cost) Accents
   ========================================================================== */

/* Import Outfit font from Google Fonts for modern typography */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&display=swap');

:root {
  /* Color System (HSL Tokens) */
  --bg-main: hsl(222, 47%, 7%);
  --bg-card: hsla(222, 47%, 11%, 0.85);
  --bg-card-hover: hsla(222, 47%, 14%, 0.95);
  --bg-modal: hsl(222, 47%, 10%);
  --border-color: hsla(217, 30%, 20%, 0.6);
  --border-focus: hsl(210, 100%, 60%);
  
  /* Text colors - carefully selected for maximum readability and accessibility */
  --text-main: hsl(210, 40%, 98%);
  --text-secondary: hsl(215, 20%, 65%);
  --text-muted: hsl(215, 15%, 45%);
  --text-inverse: hsl(222, 47%, 7%);
  
  /* Action / Brand Colors */
  --color-primary: hsl(210, 100%, 55%);
  --color-primary-hover: hsl(210, 100%, 65%);
  --color-primary-bg: rgba(0, 149, 255, 0.15);
  
  /* Revenue / Profit (Emerald Green) */
  --color-revenue: hsl(150, 84%, 39%);
  --color-revenue-hover: hsl(150, 84%, 45%);
  --color-revenue-bg: rgba(16, 185, 129, 0.12);
  
  /* Cost / Expense (Sunset Coral / Orange-Red) */
  --color-cost: hsl(12, 88%, 59%);
  --color-cost-hover: hsl(12, 88%, 65%);
  --color-cost-bg: rgba(239, 68, 68, 0.12);
  
  /* Warnings / Net Income (Gold/Amber) */
  --color-profit: hsl(45, 93%, 47%);
  --color-profit-hover: hsl(45, 93%, 57%);
  --color-profit-bg: rgba(245, 158, 11, 0.15);
  
  /* Grid & Spacing */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow-lg: 0 10px 30px -10px rgba(0, 0, 0, 0.7);
  --shadow-glow: 0 0 20px rgba(0, 149, 255, 0.2);
}

/* ==========================================================================
   1. Base & Reset
   ========================================================================== */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background-color: var(--bg-main);
  color: var(--text-main);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  line-height: 1.5;
  background-image: 
    radial-gradient(at 0% 0%, hsla(210, 100%, 20%, 0.15) 0px, transparent 50%),
    radial-gradient(at 100% 100%, hsla(150, 100%, 20%, 0.1) 0px, transparent 50%);
  background-attachment: fixed;
}

/* Scrollbar styling */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-main);
}
::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

/* ==========================================================================
   2. Layout Header
   ========================================================================== */
header {
  background: rgba(11, 19, 38, 0.8);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  padding: 1.25rem 2rem;
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.brand-icon {
  background: linear-gradient(135deg, var(--color-primary), var(--color-revenue));
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-main);
  font-weight: bold;
  font-size: 1.2rem;
  box-shadow: var(--shadow-glow);
}

.brand-text h1 {
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.5px;
  background: linear-gradient(to right, #fff, var(--text-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.brand-text p {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-top: 2px;
}

/* VAT Switcher Global Toggle */
.vat-toggle-container {
  display: flex;
  align-items: center;
  background: hsl(222, 47%, 5%);
  border: 1px solid var(--border-color);
  padding: 4px;
  border-radius: 30px;
  position: relative;
  box-shadow: inset 0 2px 4px rgba(0,0,0,0.4);
}

.vat-btn {
  background: transparent;
  border: none;
  padding: 0.5rem 1.25rem;
  font-family: inherit;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
  border-radius: 20px;
  transition: all var(--transition-fast);
  z-index: 1;
}

/* Highlighted selected button state (high visibility) */
.vat-btn.active {
  color: var(--text-inverse);
  background: linear-gradient(135deg, var(--color-primary), hsl(210, 100%, 65%));
  box-shadow: 0 4px 10px rgba(0, 149, 255, 0.3);
}

/* ==========================================================================
   3. Main Frame & Layout Grids
   ========================================================================== */
main {
  flex: 1;
  width: 100%;
  max-width: 1600px;
  margin: 0 auto;
  padding: 1.5rem 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

/* Tab Navigation - Modern Bar */
.nav-tabs {
  display: flex;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: 0.4rem;
  border-radius: var(--radius-md);
  gap: 0.25rem;
}

.tab-btn {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--text-secondary);
  padding: 0.8rem 1rem;
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.tab-btn:hover {
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.05);
}

/* Active tab state with maximum visibility & text clarity */
.tab-btn.active {
  color: var(--text-main);
  background: var(--color-primary-bg);
  box-shadow: inset 0 0 0 1px var(--color-primary);
}

.tab-content {
  display: none;
  animation: fadeIn 0.4s ease-out;
}

.tab-content.active {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ==========================================================================
   4. Filter Control Bar
   ========================================================================== */
.filter-bar {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1rem 1.5rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.filters-group {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
}

.filter-item {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.filter-item label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Accessible inputs & select menus - clear text colors when active */
select, input[type="date"], input[type="text"], input[type="number"] {
  background: hsl(222, 47%, 6%);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 500;
  padding: 0.6rem 1rem;
  border-radius: var(--radius-sm);
  outline: none;
  transition: all var(--transition-fast);
  min-width: 140px;
}

select:hover, input:hover {
  border-color: var(--text-muted);
}

select:focus, input:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px rgba(0, 149, 255, 0.25);
  background-color: hsl(222, 47%, 4%);
}

/* Stylize select options to ensure they render beautifully in browser */
select option {
  background-color: var(--bg-modal);
  color: var(--text-main);
  padding: 0.5rem;
}

/* Reset / Action Buttons in Filter Bar */
.actions-group {
  display: flex;
  gap: 0.75rem;
  align-items: center;
}

/* ==========================================================================
   5. Key Metrics Summary Cards
   ========================================================================== */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.25rem;
}

.metric-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  position: relative;
  overflow: hidden;
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 140px;
}

.metric-card:hover {
  transform: translateY(-4px);
  border-color: hsla(217, 30%, 30%, 0.8);
  box-shadow: var(--shadow-lg);
}

.metric-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
}

.metric-title {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.metric-icon-box {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
}

.metric-card.revenue {
  background: linear-gradient(180deg, var(--bg-card), rgba(16, 185, 129, 0.03));
}
.metric-card.revenue .metric-icon-box {
  background: var(--color-revenue-bg);
  color: var(--color-revenue);
}
.metric-card.revenue .metric-value {
  color: var(--color-revenue);
}

.metric-card.cost {
  background: linear-gradient(180deg, var(--bg-card), rgba(239, 68, 68, 0.03));
}
.metric-card.cost .metric-icon-box {
  background: var(--color-cost-bg);
  color: var(--color-cost);
}
.metric-card.cost .metric-value {
  color: var(--color-cost);
}

.metric-card.profit {
  background: linear-gradient(180deg, var(--bg-card), rgba(245, 158, 11, 0.03));
}
.metric-card.profit .metric-icon-box {
  background: var(--color-profit-bg);
  color: var(--color-profit);
}
.metric-card.profit .metric-value {
  color: var(--color-profit);
}

.metric-card.margin .metric-icon-box {
  background: var(--color-primary-bg);
  color: var(--color-primary);
}
.metric-card.margin .metric-value {
  color: var(--text-main);
}

.metric-value {
  font-size: 1.85rem;
  font-weight: 700;
  letter-spacing: -0.5px;
  margin-top: 0.25rem;
}

.metric-subtext {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.metric-subtext.positive {
  color: var(--color-revenue);
}

.metric-subtext.negative {
  color: var(--color-cost);
}

/* ==========================================================================
   6. Chart Sections
   ========================================================================== */
.charts-row {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 1.25rem;
}

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

.chart-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.chart-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.chart-title h3 {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-main);
}

.chart-title p {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.chart-container {
  position: relative;
  width: 100%;
  min-height: 320px;
  flex-grow: 1;
}

/* Breakdown Sub-Row for Doughnuts */
.doughnuts-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

@media (max-width: 600px) {
  .doughnuts-row {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   7. Tables & Data Presentations
   ========================================================================== */
.table-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.table-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.table-search-box {
  position: relative;
  display: flex;
  align-items: center;
}

.table-search-box input {
  padding-left: 2.25rem;
  width: 220px;
}

.table-search-box i {
  position: absolute;
  left: 0.8rem;
  color: var(--text-muted);
  pointer-events: none;
}

.table-container {
  width: 100%;
  overflow-x: auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
}

table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.9rem;
}

th {
  background: hsl(222, 47%, 5%);
  color: var(--text-secondary);
  font-weight: 600;
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--border-color);
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.5px;
}

td {
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-main);
}

tr:last-child td {
  border-bottom: none;
}

tr:hover td {
  background: rgba(255, 255, 255, 0.02);
}

/* Status colors and badges in tables */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.6rem;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 600;
}

.badge.rev {
  background-color: var(--color-revenue-bg);
  color: var(--color-revenue);
  border: 1px solid rgba(16, 185, 129, 0.25);
}

.badge.cst {
  background-color: var(--color-cost-bg);
  color: var(--color-cost);
  border: 1px solid rgba(239, 68, 68, 0.25);
}

/* Button & interactive components styling */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: inherit;
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.6rem 1.1rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  border: none;
  outline: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-hover));
  color: var(--text-main);
  box-shadow: 0 4px 12px rgba(0, 149, 255, 0.2);
}
.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(0, 149, 255, 0.35);
}

.btn-success {
  background: linear-gradient(135deg, var(--color-revenue), var(--color-revenue-hover));
  color: var(--text-main);
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.2);
}
.btn-success:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(16, 185, 129, 0.35);
}

.btn-danger {
  background: linear-gradient(135deg, var(--color-cost), var(--color-cost-hover));
  color: var(--text-main);
  box-shadow: 0 4px 12px rgba(239, 68, 68, 0.2);
}
.btn-danger:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(239, 68, 68, 0.35);
}

.btn-outline {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
}
.btn-outline:hover {
  color: var(--text-main);
  border-color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.05);
}

.btn-icon-only {
  width: 32px;
  height: 32px;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  cursor: pointer;
  border: 1px solid var(--border-color);
  background: transparent;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.btn-icon-only:hover {
  color: var(--text-main);
  border-color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.05);
}

.btn-delete:hover {
  color: var(--color-cost);
  border-color: var(--color-cost);
  background: var(--color-cost-bg);
}

/* Pagination bar styling */
.pagination-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 0.5rem;
}

.pagination-info {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.pagination-controls {
  display: flex;
  gap: 0.5rem;
}

/* P&L Statement Grid Styles */
.pnl-matrix {
  border-collapse: separate;
  border-spacing: 0;
}

.pnl-matrix th, .pnl-matrix td {
  padding: 0.75rem 1rem;
}

.pnl-matrix tr.pnl-header-main th {
  background: hsl(222, 47%, 4%);
  font-size: 0.85rem;
  border-bottom: 2px solid var(--border-color);
}

.pnl-matrix tr.pnl-group-header td {
  font-weight: 700;
  color: var(--color-primary);
  background: rgba(0, 149, 255, 0.03);
  font-size: 0.9rem;
}

.pnl-matrix tr.pnl-total-row td {
  font-weight: 700;
  border-top: 1.5px solid var(--border-color);
  border-bottom: 1.5px solid var(--border-color);
  background: hsl(222, 47%, 8%);
}

.pnl-matrix tr.pnl-net-row td {
  font-weight: 800;
  font-size: 0.95rem;
  border-top: 2px double var(--border-color);
  border-bottom: 2px solid var(--border-color);
  background: rgba(245, 158, 11, 0.04);
}

.pnl-matrix .text-right {
  text-align: right;
}

/* ==========================================================================
   8. Popup Modals
   ========================================================================== */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
  padding: 1.5rem;
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: all;
}

.modal-box {
  background: var(--bg-modal);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 520px;
  box-shadow: var(--shadow-lg), 0 0 40px rgba(0, 0, 0, 0.5);
  transform: scale(0.95);
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  overflow: hidden;
}

.modal-overlay.active .modal-box {
  transform: scale(1);
}

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

.modal-header h3 {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.modal-close-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  transition: all var(--transition-fast);
}
.modal-close-btn:hover {
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.05);
}

.modal-body {
  padding: 1.5rem;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

.form-row-2col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

@media (max-width: 480px) {
  .form-row-2col {
    grid-template-columns: 1fr;
  }
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-group label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.form-group select, .form-group input {
  width: 100%;
}

.form-footer {
  padding: 1.25rem 1.5rem;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
  background: hsl(222, 47%, 8%);
}

/* Dynamic field info text */
.field-tip {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 0.2rem;
}

/* ==========================================================================
   9. Custom styling for contrast and highlight states
   ========================================================================== */
.bg-rev-accent {
  background-color: var(--color-revenue-bg);
}
.bg-cost-accent {
  background-color: var(--color-cost-bg);
}

/* Selection Focus styles for option lists */
select:focus-within {
  background-color: hsl(222, 47%, 4%);
  color: #fff;
}

/* Highlight matching values and tags */
.accent-txt-profit {
  color: var(--color-profit);
}

/* Footers and standard elements */
footer {
  text-align: center;
  padding: 2rem;
  font-size: 0.8rem;
  color: var(--text-muted);
  border-top: 1px solid var(--border-color);
  margin-top: auto;
}

footer a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

footer a:hover {
  color: var(--color-primary);
}