/**
 * Ship Agency Financial Model - Stylesheet
 * Blue theme matching existing reports (#0d3b66)
 */

/* ==========================================================================
   GLOBAL STYLES
   ========================================================================== */

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  /* Color palette */
  --primary-blue: #0d3b66;
  --secondary-blue: #0070C0;
  --tertiary-blue: #003366;
  --light-blue: #4a90e2;
  --lighter-blue: #e6f2ff;

  /* UI colors */
  --success-green: #28a745;
  --warning-yellow: #ffc107;
  --danger-red: #dc3545;
  --neutral-gray: #6c757d;

  /* Background colors */
  --bg-white: #ffffff;
  --bg-light: #f8f9fa;
  --bg-dark: #343a40;

  /* Border colors */
  --border-color: #dee2e6;
  --border-dark: #adb5bd;

  /* Text colors */
  --text-primary: #212529;
  --text-secondary: #6c757d;
  --text-light: #ffffff;

  /* Fonts */
  --font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  --font-size-base: 14px;
  --font-size-small: 12px;
  --font-size-large: 16px;
  --font-size-xlarge: 20px;

  /* Spacing */
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;

  /* Borders */
  --border-radius: 4px;
  --border-width: 1px;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  color: var(--text-primary);
  background-color: var(--bg-light);
  line-height: 1.5;
}

/* ==========================================================================
   LAYOUT
   ========================================================================== */

.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: var(--spacing-lg);
}

.header {
  background-color: var(--primary-blue);
  color: var(--text-light);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
  border-radius: var(--border-radius);
}

.header h1 {
  font-size: var(--font-size-xlarge);
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
}

.header p {
  font-size: var(--font-size-base);
  opacity: 0.9;
}

/* ==========================================================================
   TABS
   ========================================================================== */

.tabs {
  display: flex;
  background-color: var(--bg-white);
  border-bottom: 2px solid var(--primary-blue);
  margin-bottom: var(--spacing-lg);
  border-radius: var(--border-radius) var(--border-radius) 0 0;
  overflow: hidden;
}

.tab {
  flex: 1;
  padding: var(--spacing-md);
  background-color: var(--bg-white);
  border: none;
  border-right: var(--border-width) solid var(--border-color);
  cursor: pointer;
  font-size: var(--font-size-base);
  font-weight: 500;
  color: var(--text-secondary);
  transition: all 0.3s ease;
}

.tab:last-child {
  border-right: none;
}

.tab:hover {
  background-color: var(--lighter-blue);
  color: var(--primary-blue);
}

.tab.active {
  background-color: var(--primary-blue);
  color: var(--text-light);
  font-weight: 600;
}

.tab-content {
  display: none;
  background-color: var(--bg-white);
  padding: var(--spacing-lg);
  border-radius: var(--border-radius);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

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

/* ==========================================================================
   CARDS
   ========================================================================== */

.card {
  background-color: var(--bg-white);
  border: var(--border-width) solid var(--border-color);
  border-radius: var(--border-radius);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.card-header {
  font-size: var(--font-size-large);
  font-weight: 600;
  color: var(--primary-blue);
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-sm);
  border-bottom: 2px solid var(--border-color);
}

.card-title {
  font-size: var(--font-size-large);
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
}

.card-body {
  padding: var(--spacing-md) 0;
}

.metric-card {
  text-align: center;
  padding: var(--spacing-lg);
  background: linear-gradient(135deg, var(--lighter-blue) 0%, var(--bg-white) 100%);
  border-left: 4px solid var(--secondary-blue);
}

.metric-label {
  font-size: var(--font-size-small);
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: var(--spacing-xs);
}

.metric-value {
  font-size: 28px;
  font-weight: 700;
  color: var(--primary-blue);
  margin-bottom: var(--spacing-xs);
}

.metric-value.hero {
  font-size: 36px;
  color: var(--secondary-blue);
}

.metric-subtext {
  font-size: var(--font-size-small);
  color: var(--text-secondary);
}

/* ==========================================================================
   GRID LAYOUT
   ========================================================================== */

.grid {
  display: grid;
  gap: var(--spacing-md);
}

.grid-2col {
  grid-template-columns: repeat(2, 1fr);
}

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

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

@media (max-width: 1024px) {
  .grid-4col {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .grid-2col,
  .grid-3col,
  .grid-4col {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   TABLES
   ========================================================================== */

table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: var(--spacing-md);
  font-size: var(--font-size-base);
}

thead {
  background-color: var(--primary-blue);
  color: var(--text-light);
}

thead th {
  padding: var(--spacing-md);
  text-align: left;
  font-weight: 600;
  border: var(--border-width) solid var(--primary-blue);
}

tbody tr {
  border-bottom: var(--border-width) solid var(--border-color);
}

tbody tr:nth-child(even) {
  background-color: var(--bg-light);
}

tbody tr:hover {
  background-color: var(--lighter-blue);
}

tbody td {
  padding: var(--spacing-md);
  border: var(--border-width) solid var(--border-color);
}

.table-compact tbody td {
  padding: var(--spacing-sm);
}

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

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

/* ==========================================================================
   FORMS & INPUTS
   ========================================================================== */

.form-group {
  margin-bottom: var(--spacing-md);
}

.form-label {
  display: block;
  font-weight: 500;
  margin-bottom: var(--spacing-xs);
  color: var(--text-primary);
}

.form-control,
.form-select,
.form-input {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  border: var(--border-width) solid var(--border-color);
  border-radius: var(--border-radius);
  font-size: var(--font-size-base);
  font-family: var(--font-family);
  transition: border-color 0.2s ease;
}

.form-control:focus,
.form-select:focus,
.form-input:focus {
  outline: none;
  border-color: var(--secondary-blue);
  box-shadow: 0 0 0 3px rgba(0, 112, 192, 0.1);
}

.form-control:disabled {
  background-color: var(--bg-light);
  cursor: not-allowed;
}

.form-row {
  display: flex;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.form-row .form-group {
  flex: 1;
  margin-bottom: 0;
}

/* ==========================================================================
   BUTTONS
   ========================================================================== */

.btn {
  padding: var(--spacing-sm) var(--spacing-lg);
  border: none;
  border-radius: var(--border-radius);
  font-size: var(--font-size-base);
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
  text-align: center;
  display: inline-block;
}

.btn-primary {
  background-color: var(--primary-blue);
  color: var(--text-light);
}

.btn-primary:hover {
  background-color: var(--tertiary-blue);
}

.btn-secondary {
  background-color: var(--neutral-gray);
  color: var(--text-light);
}

.btn-secondary:hover {
  background-color: #5a6268;
}

.btn-success {
  background-color: var(--success-green);
  color: var(--text-light);
}

.btn-success:hover {
  background-color: #218838;
}

.btn-danger {
  background-color: var(--danger-red);
  color: var(--text-light);
}

.btn-danger:hover {
  background-color: #c82333;
}

.btn-small {
  padding: var(--spacing-xs) var(--spacing-md);
  font-size: var(--font-size-small);
}

.btn-large {
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: var(--font-size-large);
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* ==========================================================================
   DELTA & CHANGE INDICATORS
   ========================================================================== */

.delta-positive {
  color: var(--success-green);
  font-weight: 600;
}

.delta-negative {
  color: var(--danger-red);
  font-weight: 600;
}

.delta-neutral {
  color: var(--neutral-gray);
}

.badge {
  display: inline-block;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--border-radius);
  font-size: var(--font-size-small);
  font-weight: 600;
  text-transform: uppercase;
}

.badge-traditional {
  background-color: var(--neutral-gray);
  color: var(--text-light);
}

.badge-ai {
  background-color: var(--light-blue);
  color: var(--text-light);
}

/* ==========================================================================
   UTILITY CLASSES
   ========================================================================== */

.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }

.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }

.p-1 { padding: var(--spacing-sm); }
.p-2 { padding: var(--spacing-md); }
.p-3 { padding: var(--spacing-lg); }

.text-bold { font-weight: 600; }
.text-muted { color: var(--text-secondary); }
.text-primary-color { color: var(--primary-blue); }
.text-secondary-color { color: var(--secondary-blue); }

.hidden { display: none !important; }
.visible { display: block !important; }

/* ==========================================================================
   TOOLTIPS
   ========================================================================== */

/* Overhead category tooltips */
.overhead-tooltip-trigger {
  position: relative;
  display: inline-block;
  vertical-align: middle;
}

.overhead-tooltip {
  visibility: hidden;
  opacity: 0;
  position: absolute;
  z-index: 9999;
  background-color: #2c3e50;
  color: #fff;
  text-align: left;
  border-radius: 6px;
  padding: 12px 16px;
  font-size: 0.85rem;
  line-height: 1.5;
  width: 400px;
  max-width: 90vw;
  bottom: 125%;
  left: 50%;
  transform: translateX(-50%);
  transition: opacity 0.3s ease, visibility 0.3s ease;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  font-weight: normal;
  white-space: normal;
}

.overhead-tooltip::after {
  content: "";
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  border-width: 8px;
  border-style: solid;
  border-color: #2c3e50 transparent transparent transparent;
}

.overhead-tooltip-trigger:hover .overhead-tooltip {
  visibility: visible;
  opacity: 1;
}

.overhead-tooltip strong {
  color: #4a90e2;
  font-size: 0.95rem;
  display: block;
}

.overhead-tooltip em {
  font-style: italic;
  font-size: 0.8rem;
}

/* ==========================================================================
   SCENARIO MANAGER
   ========================================================================== */

.storage-info {
  display: flex;
  gap: 2rem;
  padding: 1rem;
  background: linear-gradient(135deg, #e3f2fd 0%, #f0f4f8 100%);
  border-radius: 8px;
  margin-bottom: 1.5rem;
  border-left: 4px solid var(--primary-blue);
}

.storage-stat {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.storage-stat .stat-label {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.storage-stat .stat-value {
  font-weight: 600;
  color: var(--primary-blue);
  font-size: 1rem;
}

.scenario-table-wrapper {
  overflow-x: auto;
}

.scenario-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.scenario-table thead th {
  background: var(--bg-secondary);
  padding: 12px 16px;
  text-align: left;
  font-weight: 600;
  color: var(--text-primary);
  border-bottom: 2px solid #ddd;
  white-space: nowrap;
}

.scenario-table tbody td {
  padding: 12px 16px;
  border-bottom: 1px solid #eee;
  vertical-align: middle;
}

.scenario-table tbody tr:hover {
  background: #f8f9fa;
}

.scenario-table tbody tr.active-scenario {
  background: linear-gradient(135deg, #e8f5e9 0%, #f1f8f4 100%);
  border-left: 4px solid #4caf50;
}

.scenario-table tbody tr.highlight-flash {
  animation: highlight-pulse 2s ease;
}

@keyframes highlight-pulse {
  0%, 100% { background: transparent; }
  50% { background: #fff3e0; }
}

.scenario-name {
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.active-indicator {
  color: #4caf50;
  font-size: 1.2rem;
  line-height: 1;
}

.scenario-meta {
  font-size: 0.75rem;
  color: var(--text-secondary);
  margin-top: 2px;
}

.scenario-date {
  color: var(--text-secondary);
  font-size: 0.85rem;
  white-space: nowrap;
}

.scenario-actions {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.action-btn {
  padding: 6px 12px;
  font-size: 0.8rem;
  border: 1px solid #ddd;
  background: white;
  cursor: pointer;
  border-radius: 4px;
  transition: all 0.2s;
  white-space: nowrap;
}

.action-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 2px 6px rgba(0,0,0,0.1);
}

.btn-load {
  border-color: var(--primary-blue);
  color: var(--primary-blue);
}

.btn-load:hover {
  background: var(--primary-blue);
  color: white;
}

.btn-copy {
  border-color: #9c27b0;
  color: #9c27b0;
}

.btn-copy:hover {
  background: #9c27b0;
  color: white;
}

.btn-download {
  border-color: #4caf50;
  color: #4caf50;
}

.btn-download:hover {
  background: #4caf50;
  color: white;
}

.btn-delete {
  border-color: #f44336;
  color: #f44336;
}

.btn-delete:hover {
  background: #f44336;
  color: white;
}

.empty-state {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--text-secondary);
}

.empty-state p:first-child {
  font-size: 2rem;
  margin-bottom: 0.5rem;
}

.empty-state-desc {
  font-size: 0.9rem;
}

.badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: 600;
  white-space: nowrap;
}

.badge-traditional {
  background: #e3f2fd;
  color: var(--primary-blue);
}

.badge-ai {
  background: #f3e5f5;
  color: #9c27b0;
}

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

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */

@media print {
  .tabs,
  .btn,
  .form-control {
    display: none;
  }

  .tab-content {
    display: block !important;
  }

  body {
    background-color: white;
  }
}