:root {
  /* Dark Theme (Default) */
  --bg-color: #080b11;
  --bg-gradient: linear-gradient(135deg, #070913 0%, #0d1222 100%);
  --panel-bg: rgba(17, 24, 39, 0.6);
  --panel-border: rgba(255, 255, 255, 0.08);
  
  --text-primary: #f3f4f6;
  --text-secondary: #9ca3af;
  --text-muted: #6b7280;
  
  --accent-color: #6366f1;
  --accent-light: #818cf8;
  --accent-gradient: linear-gradient(135deg, #6366f1 0%, #4f46e5 100%);
  
  --input-bg: rgba(31, 41, 55, 0.7);
  --input-border: rgba(255, 255, 255, 0.12);
  --input-focus-border: #6366f1;
  
  --slider-track: rgba(255, 255, 255, 0.1);
  
  --safe-color: #10b981;
  --safe-bg: rgba(16, 185, 129, 0.1);
  --warning-color: #f59e0b;
  --warning-bg: rgba(245, 158, 11, 0.1);
  --danger-color: #ef4444;
  --danger-bg: rgba(239, 68, 68, 0.1);
  
  --card-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.3), 0 8px 10px -6px rgba(0, 0, 0, 0.3);
  --inner-shadow: inset 0 2px 4px 0 rgba(0, 0, 0, 0.06);
  --glass-reflection: inset 0 1px 0 0 rgba(255, 255, 255, 0.05);
  
  --card-glow-safe: 0 0 15px rgba(16, 185, 129, 0.15);
  --card-glow-warning: 0 0 15px rgba(245, 158, 11, 0.15);
  --card-glow-danger: 0 0 15px rgba(239, 68, 68, 0.15);
  --card-glow-accent: 0 0 15px rgba(99, 102, 241, 0.15);
}

[data-theme="light"] {
  /* Light Theme */
  --bg-color: #f1f5f9;
  --bg-gradient: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
  --panel-bg: rgba(255, 255, 255, 0.8);
  --panel-border: rgba(15, 23, 42, 0.08);
  
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #64748b;
  
  --accent-color: #4f46e5;
  --accent-light: #6366f1;
  --accent-gradient: linear-gradient(135deg, #4f46e5 0%, #3730a3 100%);
  
  --input-bg: rgba(241, 245, 249, 0.9);
  --input-border: rgba(15, 23, 42, 0.1);
  --input-focus-border: #4f46e5;
  
  --slider-track: rgba(15, 23, 42, 0.08);
  
  --safe-color: #059669;
  --safe-bg: rgba(5, 150, 105, 0.1);
  --warning-color: #d97706;
  --warning-bg: rgba(217, 119, 6, 0.1);
  --danger-color: #dc2626;
  --danger-bg: rgba(220, 38, 38, 0.1);
  
  --card-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.05), 0 4px 6px -4px rgba(0, 0, 0, 0.05);
  --inner-shadow: inset 0 2px 4px 0 rgba(0, 0, 0, 0.02);
  --glass-reflection: inset 0 1px 0 0 rgba(255, 255, 255, 0.4);
  
  --card-glow-safe: 0 0 15px rgba(5, 150, 105, 0.1);
  --card-glow-warning: 0 0 15px rgba(217, 119, 6, 0.1);
  --card-glow-danger: 0 0 15px rgba(220, 38, 38, 0.1);
  --card-glow-accent: 0 0 15px rgba(79, 70, 229, 0.1);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: 'Inter', sans-serif;
  transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

html, body {
  max-width: 100%;
  overflow-x: hidden;
}

body {
  background-color: var(--bg-color);
  background-image: var(--bg-gradient);
  color: var(--text-primary);
  min-height: 100vh;
  padding: 12px;
}

@media (min-width: 768px) {
  body {
    padding: 24px;
  }
}

.container {
  max-width: 1400px;
  margin: 0 auto;
}

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--panel-border);
  flex-wrap: wrap;
  gap: 16px;
}

.brand-wrapper {
  display: flex;
  align-items: center;
  gap: 10px;
}

.brand-wrapper svg {
  width: 24px;
  height: 24px;
  color: var(--accent-color);
}

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

.nav-links {
  display: flex;
  gap: 4px;
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  padding: 4px;
  border-radius: 10px;
  box-shadow: var(--glass-reflection);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.nav-link {
  padding: 6px 14px;
  border-radius: 6px;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 500;
  transition: all 0.25s ease;
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-link svg {
  width: 14px;
  height: 14px;
}

.nav-link:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.05);
}

[data-theme="light"] .nav-link:hover {
  background: rgba(0, 0, 0, 0.04);
}

.nav-link.active {
  color: white !important;
  background: var(--accent-gradient);
  box-shadow: 0 2px 8px rgba(99, 102, 241, 0.3);
}

.logo-container h1 {
  font-family: 'Outfit', sans-serif;
  font-size: 1.8rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  background: linear-gradient(135deg, var(--accent-light) 0%, var(--accent-color) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.logo-container p {
  color: var(--text-secondary);
  font-size: 0.875rem;
  margin-top: 4px;
}

.theme-toggle-btn {
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  color: var(--text-primary);
  padding: 8px 12px;
  border-radius: 8px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 500;
  font-size: 0.875rem;
  box-shadow: var(--card-shadow);
}

.theme-toggle-btn:hover {
  border-color: var(--accent-color);
  transform: translateY(-1px);
}

.theme-toggle-btn svg {
  width: 16px;
  height: 16px;
}

/* Dashboard Layout */
.dashboard-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  min-width: 0;
}

@media (min-width: 1200px) {
  .dashboard-grid {
    grid-template-columns: 4.2fr 5.8fr;
  }
}

.panel-card,
.dashboard-right {
  min-width: 0;
}

/* Panel Card */
.panel-card {
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: 16px;
  padding: 16px;
  box-shadow: var(--glass-reflection), var(--card-shadow);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

@media (min-width: 768px) {
  .panel-card {
    padding: 24px;
  }
}

.panel-title {
  font-family: 'Outfit', sans-serif;
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-primary);
}

.panel-title svg {
  color: var(--accent-color);
}

/* Form Elements */
.input-section-title {
  font-family: 'Outfit', sans-serif;
  font-size: 0.95rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin: 20px 0 12px 0;
  padding-bottom: 6px;
  border-bottom: 1px dashed var(--panel-border);
}

.input-section-title:first-of-type {
  margin-top: 0;
}

.input-group {
  margin-bottom: 18px;
}

.input-label-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}

.input-label {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 6px;
}

.input-label-subtitle {
  font-size: 0.75rem;
  color: var(--text-secondary);
  margin-top: 2px;
  font-weight: 400;
}

.input-badge-container {
  display: flex;
  align-items: center;
  gap: 8px;
}

.text-input {
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  border-radius: 8px;
  color: var(--text-primary);
  padding: 6px 10px;
  font-size: 0.85rem;
  font-weight: 700;
  font-family: 'Outfit', sans-serif;
  text-align: right;
  width: 140px;
  outline: none;
}

.text-input:focus {
  border-color: var(--input-focus-border);
  box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.2);
}

/* Slider styling */
.slider-container {
  display: flex;
  align-items: center;
  gap: 12px;
}

input[type="range"] {
  -webkit-appearance: none;
  width: 100%;
  height: 6px;
  border-radius: 4px;
  background: var(--slider-track);
  outline: none;
  cursor: pointer;
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: #ffffff;
  border: 3.5px solid var(--accent-color);
  cursor: pointer;
  box-shadow: 0 0 6px rgba(0, 0, 0, 0.2);
  transition: transform 0.1s ease, box-shadow 0.1s ease;
}

input[type="range"]::-webkit-slider-thumb:hover {
  transform: scale(1.25);
  box-shadow: 0 0 10px var(--accent-light);
}

/* Metric Cards */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}

@media (min-width: 640px) {
  .metrics-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.metric-card {
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: 12px;
  padding: 16px;
  box-shadow: var(--glass-reflection), var(--card-shadow);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  overflow: hidden;
}

.metric-card.status-safe {
  border-color: rgba(16, 185, 129, 0.3);
  box-shadow: var(--glass-reflection), var(--card-shadow), var(--card-glow-safe);
}

.metric-card.status-warning {
  border-color: rgba(245, 158, 11, 0.3);
  box-shadow: var(--glass-reflection), var(--card-shadow), var(--card-glow-warning);
}

.metric-card.status-danger {
  border-color: rgba(239, 68, 68, 0.3);
  box-shadow: var(--glass-reflection), var(--card-shadow), var(--card-glow-danger);
}

.metric-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.metric-title {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.metric-icon-wrapper {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(99, 102, 241, 0.1);
  color: var(--accent-color);
}

.metric-icon-wrapper svg {
  width: 16px;
  height: 16px;
}

.metric-value {
  font-family: 'Outfit', sans-serif;
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.2;
}

.metric-subtitle {
  font-size: 0.7rem;
  color: var(--text-muted);
  margin-top: 6px;
  font-weight: 500;
}

/* Chart Container */
.chart-container {
  position: relative;
  height: 380px;
  width: 100%;
  margin-bottom: 24px;
}

/* Accordion Table */
.accordion-section {
  margin-top: 24px;
}

.accordion-header {
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: 12px;
  padding: 16px 20px;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: var(--glass-reflection), var(--card-shadow);
}

.accordion-header.open {
  border-bottom-left-radius: 0;
  border-bottom-right-radius: 0;
  border-bottom: none;
}

.accordion-title {
  font-family: 'Outfit', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 10px;
}

.accordion-icon {
  transition: transform 0.3s ease;
  color: var(--text-secondary);
}

.accordion-header.open .accordion-icon {
  transform: rotate(180deg);
}

.accordion-body {
  display: none;
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-top: none;
  border-bottom-left-radius: 12px;
  border-bottom-right-radius: 12px;
  overflow: hidden;
  box-shadow: var(--card-shadow);
}

.table-responsive {
  width: 100%;
  overflow-x: auto;
  max-height: 380px;
  display: block;
}

table.financial-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.85rem;
}

table.financial-table th, 
table.financial-table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--panel-border);
}

table.financial-table th {
  background: rgba(0, 0, 0, 0.15);
  font-family: 'Outfit', sans-serif;
  font-weight: 600;
  color: var(--text-secondary);
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

[data-theme="light"] table.financial-table th {
  background: rgba(0, 0, 0, 0.03);
}

table.financial-table tbody tr {
  background: transparent;
}

table.financial-table tbody tr:hover {
  background: rgba(255, 255, 255, 0.02);
}

[data-theme="light"] table.financial-table tbody tr:hover {
  background: rgba(0, 0, 0, 0.01);
}

table.financial-table tbody tr.row-milestone {
  background: rgba(99, 102, 241, 0.08);
  font-weight: 500;
}

table.financial-table tbody tr.row-depleted {
  opacity: 0.45;
  background: rgba(239, 68, 68, 0.03);
}

table.financial-table tbody tr.row-depleted-first {
  background: rgba(239, 68, 68, 0.1);
  font-weight: 600;
  border-left: 4px solid var(--danger-color);
}

table.financial-table .num-col {
  text-align: right;
  font-family: 'Outfit', sans-serif;
}

table.financial-table .text-center {
  text-align: center;
}

/* Utility Classes */
.text-safe { color: var(--safe-color) !important; }
.text-warning { color: var(--warning-color) !important; }
.text-danger { color: var(--danger-color) !important; }
.text-accent { color: var(--accent-color) !important; }

.help-tooltip {
  cursor: help;
  display: inline-flex;
  align-items: center;
  color: var(--text-muted);
}

.help-tooltip svg {
  width: 14px;
  height: 14px;
}

/* Pulse effect for milestone badge */
.milestone-badge {
  display: inline-block;
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.7rem;
  font-weight: 700;
  background: var(--accent-gradient);
  color: white;
  text-transform: uppercase;
  box-shadow: 0 2px 5px rgba(99, 102, 241, 0.3);
}

/* Responsive Layout Adjustments */

/* Header Mobile View */
@media (max-width: 640px) {
  header {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }
  
  .header-actions {
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
  }
  
  .nav-links {
    width: 100%;
    flex-direction: column;
  }
  
  .nav-link {
    justify-content: center;
    padding: 10px;
  }
  
  .theme-toggle-btn {
    width: 100%;
    justify-content: center;
  }
}

/* Mobile Screens (<= 576px, e.g. 400px viewports) */
@media (max-width: 576px) {
  body {
    padding: 12px;
  }

  .panel-card {
    padding: 16px 12px;
  }

  .logo-container h1 {
    font-size: 1.5rem;
  }

  .logo-container p {
    font-size: 0.775rem;
  }

  .input-label-container {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .input-badge-container {
    width: 100%;
  }

  .text-input {
    width: 100%;
    text-align: left;
  }

  /* 1 column on portrait mobile, 2 columns on landscape mobile */
  .metrics-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  @media (min-width: 480px) {
    .metrics-grid {
      grid-template-columns: repeat(2, 1fr);
    }
  }

  .metric-card {
    padding: 12px;
  }

  .metric-value {
    font-size: 1.25rem;
  }

  .chart-container {
    height: 280px;
  }

  table.financial-table th, 
  table.financial-table td {
    padding: 8px;
    font-size: 0.75rem;
  }
}

/* iPad & Tablet Screens (577px to 1199px) */
@media (min-width: 577px) and (max-width: 1199px) {
  .dashboard-grid {
    grid-template-columns: 1fr;
  }

  /* 2x2 grid on small tablets, 4 columns on iPad portrait and above */
  .metrics-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  @media (min-width: 768px) {
    .metrics-grid {
      grid-template-columns: repeat(4, 1fr);
    }
  }

  .chart-container {
    height: 380px;
  }
}

/* Medium Desktop Screens (1200px to 1399px) */
@media (min-width: 1200px) and (max-width: 1399px) {
  .dashboard-grid {
    grid-template-columns: 4.2fr 5.8fr;
  }

  .metrics-grid {
    grid-template-columns: repeat(2, 1fr); /* 2x2 grid to prevent card text clipping */
    gap: 16px;
  }

  .chart-container {
    height: 380px;
  }
}

/* Large Desktop Screens (>= 1400px) */
@media (min-width: 1400px) {
  .dashboard-grid {
    grid-template-columns: 4fr 6fr;
  }

  .metrics-grid {
    grid-template-columns: repeat(4, 1fr); /* full horizontal row */
    gap: 16px;
  }
}