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

:root {
  --bg-primary: #080b11;
  --bg-secondary: #0f1524;
  --bg-card: rgba(21, 30, 52, 0.6);
  --bg-card-hover: rgba(29, 41, 71, 0.8);
  --border-color: rgba(255, 255, 255, 0.08);
  --border-color-hover: rgba(255, 255, 255, 0.15);
  
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  
  --accent-blue: #3b82f6;
  --accent-cyan: #06b6d4;
  --accent-purple: #8b5cf6;
  --accent-pink: #ec4899;
  
  --color-success: #10b981;
  --color-error: #ef4444;
  --color-warning: #f59e0b;
  
  --font-sans: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --shadow-lg: 0 10px 25px -5px rgba(0, 0, 0, 0.3), 0 8px 10px -6px rgba(0, 0, 0, 0.3);
  --shadow-glow: 0 0 20px rgba(59, 130, 246, 0.15);
  --radius-lg: 16px;
  --radius-md: 10px;
}

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

body {
  background-color: var(--bg-primary);
  background-image: 
    radial-gradient(at 0% 0%, rgba(139, 92, 246, 0.08) 0px, transparent 50%),
    radial-gradient(at 50% 0%, rgba(59, 130, 246, 0.08) 0px, transparent 50%),
    radial-gradient(at 100% 100%, rgba(6, 182, 212, 0.05) 0px, transparent 50%);
  background-attachment: fixed;
  color: var(--text-primary);
  font-family: var(--font-sans);
  min-height: 100vh;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

header {
  border-bottom: 1px solid var(--border-color);
  background: rgba(8, 11, 17, 0.8);
  backdrop-filter: blur(12px);
  position: sticky;
  top: 0;
  z-index: 50;
  padding: 1.25rem 2rem;
}

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

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

.logo-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.25rem;
  box-shadow: 0 0 15px rgba(59, 130, 246, 0.4);
}

.logo-text h1 {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.025em;
  background: linear-gradient(to right, #ffffff, #94a3b8);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.logo-text p {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.badge-version {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  padding: 0.25rem 0.6rem;
  border-radius: 30px;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-secondary);
}

main {
  max-width: 1400px;
  margin: 2rem auto;
  padding: 0 2rem;
}

.dashboard-layout {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 2rem;
  align-items: start;
}

/* Glassmorphism Panel styles */
.panel {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  box-shadow: var(--shadow-lg);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.panel:hover {
  border-color: var(--border-color-hover);
}

.panel-title {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-primary);
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0.75rem;
}

/* Form Styles */
.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.form-select, .form-input {
  width: 100%;
  background: rgba(15, 21, 36, 0.8);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  padding: 0.75rem 1rem;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  outline: none;
  transition: all 0.2s ease;
}

.form-select:focus, .form-input:focus {
  border-color: var(--accent-blue);
  box-shadow: var(--shadow-glow);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

.btn-primary {
  width: 100%;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
  color: #ffffff;
  border: none;
  border-radius: var(--radius-md);
  padding: 0.85rem;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  box-shadow: 0 4px 15px rgba(59, 130, 246, 0.2);
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  margin-top: 1.5rem;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(59, 130, 246, 0.35);
  filter: brightness(1.1);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-primary:disabled {
  background: var(--text-muted);
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

/* Loading State Overlay */
.loading-overlay {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 4rem 2rem;
  gap: 1.5rem;
}

.spinner {
  width: 50px;
  height: 50px;
  border: 4px solid rgba(59, 130, 246, 0.1);
  border-left-color: var(--accent-blue);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  100% { transform: rotate(360deg); }
}

/* Main Dashboard Output Area */
.dashboard-output {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

/* KPI Grid */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}

.kpi-card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.25rem 1.5rem;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  transition: all 0.3s ease;
}

.kpi-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--text-muted);
}

.kpi-card.investment::before { background: var(--accent-blue); }
.kpi-card.revenue::before { background: var(--accent-purple); }
.kpi-card.profit-positive::before { background: var(--color-success); }
.kpi-card.profit-negative::before { background: var(--color-error); }
.kpi-card.roi-positive::before { background: var(--color-success); }
.kpi-card.roi-negative::before { background: var(--color-error); }

.kpi-label {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
}

.kpi-value {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

.kpi-desc {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.profit-negative .kpi-value { color: var(--color-error); }
.profit-positive .kpi-value { color: var(--color-success); }
.roi-negative .kpi-value { color: var(--color-error); }
.roi-positive .kpi-value { color: var(--color-success); }

/* Warning Box */
.warning-box {
  background: rgba(239, 68, 68, 0.07);
  border: 1px dashed rgba(239, 68, 68, 0.3);
  padding: 1rem 1.25rem;
  border-radius: var(--radius-md);
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  margin-bottom: 0.5rem;
}

.warning-icon {
  color: var(--color-error);
  font-size: 1.25rem;
  flex-shrink: 0;
}

.warning-text h4 {
  color: var(--text-primary);
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

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

/* Visualization Panel */
.chart-container {
  position: relative;
  height: 380px;
  width: 100%;
}

/* Grid for tables & secondary stats */
.secondary-grid {
  display: grid;
  grid-template-columns: 380px 1fr;
  gap: 2rem;
  align-items: start;
}

/* Stats list */
.stats-list {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.stats-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.stats-row:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.stats-name {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.stats-val {
  font-weight: 600;
  font-size: 0.9rem;
}

/* Custom Table Styles */
.table-wrapper {
  overflow-x: auto;
  max-height: 480px;
  overflow-y: auto;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  background: rgba(15, 21, 36, 0.4);
}

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

.results-table th {
  background: rgba(15, 21, 36, 0.9);
  padding: 0.85rem 1rem;
  color: var(--text-secondary);
  font-weight: 600;
  position: sticky;
  top: 0;
  border-bottom: 1px solid var(--border-color);
  z-index: 10;
}

.results-table td {
  padding: 0.85rem 1rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.03);
  color: var(--text-primary);
}

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

.digit-badge {
  background: rgba(59, 130, 246, 0.15);
  color: var(--accent-blue);
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
  font-weight: 600;
  font-family: monospace;
}

.win-badge {
  background: rgba(16, 185, 129, 0.12);
  color: var(--color-success);
  padding: 0.15rem 0.5rem;
  border-radius: 30px;
  font-weight: 600;
  font-size: 0.75rem;
  border: 1px solid rgba(16, 185, 129, 0.2);
}

.loss-badge {
  background: rgba(239, 68, 68, 0.1);
  color: var(--color-error);
  padding: 0.15rem 0.5rem;
  border-radius: 30px;
  font-weight: 500;
  font-size: 0.75rem;
  border: 1px solid rgba(239, 68, 68, 0.15);
}

.table-num {
  font-family: monospace;
  font-size: 0.9rem;
}

/* Animations and Responsive */
@media (max-width: 1200px) {
  .dashboard-layout {
    grid-template-columns: 1fr;
  }
  .kpi-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .secondary-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  main {
    padding: 0 1rem;
  }
  .kpi-grid {
    grid-template-columns: 1fr;
  }
  header {
    padding: 1rem;
  }
}