/* Portfolio X-Ray - Premium Styling */

/* Import modern font */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

/* CSS Variables - Design System */
:root {
  /* Colors - Deep Purple/Blue Theme */
  --color-bg-primary: #0a0b14;
  --color-bg-secondary: #12141f;
  --color-bg-tertiary: #1a1d2e;
  --color-bg-glass: rgba(255, 255, 255, 0.05);
  --color-bg-glass-hover: rgba(255, 255, 255, 0.08);

  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --gradient-accent: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
  --gradient-success: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
  --gradient-card: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);

  /* Text Colors */
  --color-text-primary: #ffffff;
  --color-text-secondary: #a5b4fc;
  --color-text-muted: #6b7280;
  --color-text-accent: #c084fc;

  /* Border & Shadows */
  --border-glass: 1px solid rgba(255, 255, 255, 0.1);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 0 24px rgba(102, 126, 234, 0.3);

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;

  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;
  --transition-slow: 350ms ease;
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--color-bg-primary);
  color: var(--color-text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
}

/* Header */
.header {
  background: var(--color-bg-secondary);
  border-bottom: var(--border-glass);
  padding: var(--spacing-md) var(--spacing-lg);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(12px);
}

.header-content {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo-icon {
  font-size: 1.75rem;
}

.tagline {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  font-weight: 400;
}

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

/* Glass Card Component */
.card {
  background: var(--color-bg-glass);
  border: var(--border-glass);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
}

.card:hover {
  background: var(--color-bg-glass-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.card-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--spacing-md);
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Portfolio Input Form */
.input-section {
  margin-bottom: var(--spacing-xl);
}

.form-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 2fr auto;
  gap: var(--spacing-sm);
  align-items: end;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.form-input,
.form-select {
  background: var(--color-bg-tertiary);
  border: var(--border-glass);
  border-radius: var(--radius-sm);
  padding: 0.75rem 1rem;
  color: var(--color-text-primary);
  font-size: 1rem;
  font-family: inherit;
  transition: all var(--transition-fast);
}

.form-input:focus,
.form-select:focus {
  outline: none;
  border-color: rgba(102, 126, 234, 0.5);
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.form-input::placeholder {
  color: var(--color-text-muted);
}

/* Buttons */
.btn {
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: all var(--transition-normal);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.btn-primary {
  background: var(--gradient-primary);
  color: white;
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

.btn-secondary {
  background: var(--color-bg-tertiary);
  color: var(--color-text-secondary);
  border: var(--border-glass);
}

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

.btn-danger {
  background: var(--gradient-accent);
  color: white;
  font-size: 0.875rem;
  padding: 0.5rem 1rem;
}

.btn-danger:hover {
  transform: scale(1.05);
}

/* Toggle Buttons */
.toggle-container {
  display: flex;
  background: var(--color-bg-tertiary);
  border: var(--border-glass);
  border-radius: var(--radius-sm);
  padding: 2px;
}

.toggle-btn {
  background: transparent;
  border: none;
  color: var(--color-text-secondary);
  padding: 2px 8px;
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  border-radius: 4px;
  transition: all var(--transition-fast);
}

.toggle-btn.active {
  background: var(--color-bg-glass-hover);
  color: var(--color-text-primary);
  box-shadow: var(--shadow-sm);
}

/* Holdings List */
.holdings-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-md);
}

.holding-item {
  background: var(--color-bg-tertiary);
  border: var(--border-glass);
  border-radius: var(--radius-md);
  padding: var(--spacing-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: all var(--transition-fast);
}

.holding-item:hover {
  background: var(--color-bg-glass-hover);
  transform: translateX(4px);
}

.holding-info {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.holding-ticker {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-text-accent);
}

.holding-name {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}

.holding-details {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  color: var(--color-text-secondary);
  font-size: 0.875rem;
}

.holding-badge {
  background: var(--gradient-primary);
  padding: 0.25rem 0.75rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  color: white;
}

/* Analysis Results */
.analysis-section {
  margin-top: var(--spacing-xl);
}

.analysis-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

/* Summary Stats */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
}

.stat-card {
  background: var(--gradient-card);
  border: var(--border-glass);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  text-align: center;
  backdrop-filter: blur(12px);
}

.stat-value {
  font-size: 2.5rem;
  font-weight: 700;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.25rem;
}

.stat-label {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Allocation Charts */
.allocation-chart {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  /* Increased gap for better spacing */
  padding: var(--spacing-sm) 0;
  /* Add vertical padding */
}

.allocation-item {
  display: grid;
  /* Switch to grid for better alignment */
  grid-template-columns: 160px 1fr;
  /* Fixed label width, flexible bar */
  align-items: center;
  gap: var(--spacing-md);
}

.allocation-label {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.allocation-bar-container {
  flex: 1;
  height: 32px;
  background: var(--color-bg-tertiary);
  border-radius: var(--radius-sm);
  overflow: hidden;
  position: relative;
  display: flex;
  align-items: center;
}

.allocation-bar {
  height: 100%;
  background: var(--gradient-primary);
  border-radius: var(--radius-sm);
  transition: width var(--transition-slow);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding-right: 0.75rem;
  min-width: 4px;
  /* Ensure even tiny bars are visible */
}

.allocation-percentage {
  font-size: 0.875rem;
  font-weight: 700;
  color: white;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
  white-space: nowrap;
}

.allocation-percentage-outside {
  margin-left: 0.75rem;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--color-text-primary);
  white-space: nowrap;
}

/* Holdings Table */
.holdings-table-container {
  overflow-x: auto;
  margin-top: var(--spacing-lg);
}

.holdings-table {
  width: 100%;
  border-collapse: collapse;
}

.holdings-table thead {
  background: var(--color-bg-secondary);
  position: sticky;
  top: 0;
}

.holdings-table th {
  padding: var(--spacing-md);
  text-align: left;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-bottom: var(--border-glass);
}

.holdings-table td {
  padding: var(--spacing-md);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  font-size: 0.875rem;
}

.holdings-table tbody tr {
  transition: background var(--transition-fast);
}

.holdings-table tbody tr:hover {
  background: var(--color-bg-glass-hover);
}

.table-ticker {
  font-weight: 700;
  color: var(--color-text-accent);
}

.table-weight {
  font-weight: 600;
  color: var(--color-text-primary);
}

.weight-bar {
  height: 4px;
  background: var(--gradient-primary);
  border-radius: 2px;
  margin-top: 4px;
  transition: width var(--transition-slow);
}

.overlap-badge {
  background: var(--gradient-accent);
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 600;
  color: white;
}

/* Empty State */
.empty-state {
  text-align: center;
  padding: var(--spacing-xl);
  color: var(--color-text-muted);
}

.empty-state-icon {
  font-size: 4rem;
  margin-bottom: var(--spacing-md);
  opacity: 0.3;
}

.empty-state-title {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-sm);
}

.empty-state-description {
  font-size: 1rem;
}

/* Responsive Design */
@media (max-width: 768px) {
  .container {
    padding: var(--spacing-md);
  }

  .form-grid {
    grid-template-columns: 1fr;
  }

  .analysis-grid {
    grid-template-columns: 1fr;
  }

  .stats-grid {
    grid-template-columns: 1fr;
  }

  .header-content {
    flex-direction: column;
    gap: var(--spacing-sm);
    text-align: center;
  }

  .allocation-label {
    min-width: 100px;
    font-size: 0.75rem;
  }
}

/* Animations */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  animation: fadeIn var(--transition-normal) ease;
}

/* Scrollbar Styling */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--color-bg-secondary);
}

::-webkit-scrollbar-thumb {
  background: var(--color-bg-glass);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-bg-glass-hover);
}