/* ATS Reporting - Modern UI Styles */

/* ============================================
   CSS Variables (Theme Colors)
   ============================================ */
:root {
  /* Main colors */
  --primary: #3b82f6;
  --success: #10b981;
  --danger: #ef4444;
  --warning: #f59e0b;
  --info: #06b6d4;
  
  /* Layout */
  --sidebar-width: 240px;
  --sidebar-bg: #1e293b;
  --sidebar-text: #e2e8f0;
  --sidebar-active: #3b82f6;
  --main-bg: #f8fafc;
  --card-bg: #ffffff;
  
  /* Text */
  --text-primary: #0f172a;
  --text-secondary: #64748b;
  --text-muted: #94a3b8;
  
  /* Borders & shadows */
  --border: #e2e8f0;
  --border-light: #f1f5f9;
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1);
  
  /* Transitions */
  --transition: all 0.2s ease;
}

/* ============================================
   Global Styles
   ============================================ */
* {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica', 'Arial', sans-serif;
  font-size: 16px;
  line-height: 1.5;
  color: var(--text-primary);
  background-color: var(--main-bg);
}

/* ============================================
   Sidebar Styles
   ============================================ */
.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: var(--sidebar-width);
  height: 100vh;
  background-color: var(--sidebar-bg);
  color: var(--sidebar-text);
  display: flex;
  flex-direction: column;
  z-index: 1000;
  box-shadow: var(--shadow-lg);
  transition: var(--transition);
}

.sidebar-brand {
  padding: 1.5rem 1rem;
  font-size: 1.25rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-brand i {
  font-size: 1.5rem;
  color: var(--primary);
}

.sidebar-nav {
  padding: 1rem 0;
  flex: 0;
}

.sidebar-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  color: var(--sidebar-text);
  text-decoration: none;
  transition: var(--transition);
  border-left: 3px solid transparent;
}

.sidebar-link:hover {
  background-color: rgba(255, 255, 255, 0.05);
  color: #fff;
}

.sidebar-link.active {
  background-color: rgba(59, 130, 246, 0.1);
  border-left-color: var(--primary);
  color: #fff;
}

.sidebar-link i {
  font-size: 1.25rem;
  width: 1.5rem;
  text-align: center;
}

.sidebar-section {
  padding: 1rem;
  margin-top: auto;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-section-title {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
  font-weight: 600;
}

.pipeline-status {
  margin-bottom: 1rem;
  padding: 0.75rem;
  background-color: rgba(255, 255, 255, 0.05);
  border-radius: 0.5rem;
}

.status-indicator {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.25rem;
}

.status-dot {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  display: inline-block;
}

.status-dot.status-success {
  background-color: var(--success);
  box-shadow: 0 0 8px var(--success);
}

.status-dot.status-error {
  background-color: var(--danger);
  box-shadow: 0 0 8px var(--danger);
}

.status-dot.status-warning {
  background-color: var(--warning);
  box-shadow: 0 0 8px var(--warning);
}

.status-dot.status-unknown {
  background-color: var(--text-muted);
}

.status-text {
  font-size: 0.875rem;
  font-weight: 500;
}

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

.sidebar-bottom {
  margin-top: auto;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-user {
  padding: 1rem;
}

.sidebar-toggle {
  display: none;
  position: fixed;
  top: 1rem;
  left: 1rem;
  z-index: 1001;
  background-color: var(--sidebar-bg);
  color: var(--sidebar-text);
  border: none;
  padding: 0.5rem;
  border-radius: 0.5rem;
  cursor: pointer;
  font-size: 1.5rem;
  box-shadow: var(--shadow-lg);
}

/* ============================================
   Main Content Area
   ============================================ */
.main-content {
  margin-left: var(--sidebar-width);
  padding: 2rem;
  min-height: 100vh;
  transition: var(--transition);
}

/* ============================================
   Card Styles
   ============================================ */
.card {
  background-color: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 0.75rem;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.card-header {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border);
  font-weight: 600;
  background-color: var(--card-bg);
  border-radius: 0.75rem 0.75rem 0 0;
}

.card-body {
  padding: 1.5rem;
}

/* ============================================
   Metric Cards
   ============================================ */
.metric-card {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  border: none;
  box-shadow: var(--shadow-md);
}

.metric-card.pnl-positive {
  background: linear-gradient(135deg, #10b981 0%, #059669 100%);
}

.metric-card.pnl-negative {
  background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
}

.metric-card .card-body {
  padding: 1.5rem;
}

.metric-value {
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 1;
  margin-bottom: 0.5rem;
  font-family: 'Consolas', 'Monaco', monospace;
  color: white;
}

.metric-label {
  font-size: 0.875rem;
  opacity: 0.9;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: white;
}

.metric-trend {
  font-size: 0.875rem;
  margin-top: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.25rem;
  color: white;
  opacity: 0.9;
}

/* ============================================
   Data Table Styles
   ============================================ */
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.data-table thead {
  background-color: var(--main-bg);
  position: sticky;
  top: 0;
  z-index: 10;
}

.data-table th {
  padding: 0.75rem 1rem;
  text-align: left;
  font-weight: 600;
  color: var(--text-secondary);
  border-bottom: 2px solid var(--border);
  cursor: pointer;
  user-select: none;
  white-space: nowrap;
}

.data-table th:hover {
  background-color: var(--border-light);
}

.data-table th.sortable::after {
  content: ' ⇅';
  opacity: 0.3;
}

.data-table th.sorted-asc::after {
  content: ' ↑';
  opacity: 1;
  color: var(--primary);
}

.data-table th.sorted-desc::after {
  content: ' ↓';
  opacity: 1;
  color: var(--primary);
}

.data-table tbody tr {
  border-bottom: 1px solid var(--border-light);
  transition: var(--transition);
}

.data-table tbody tr:nth-child(even) {
  background-color: rgba(0, 0, 0, 0.01);
}

.data-table tbody tr:hover {
  background-color: rgba(59, 130, 246, 0.05);
}

.data-table td {
  padding: 0.75rem 1rem;
}

/* PnL Color Coding */
.pnl-positive {
  color: var(--success);
  font-weight: 600;
}

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

/* ============================================
   Button Styles
   ============================================ */
.btn {
  padding: 0.5rem 1rem;
  border-radius: 0.5rem;
  font-weight: 500;
  transition: var(--transition);
  border: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

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

.btn-primary:hover {
  background-color: #2563eb;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-success {
  background-color: var(--success);
  color: white;
}

.btn-success:hover {
  background-color: #059669;
}

.btn-outline-primary {
  background-color: transparent;
  color: var(--primary);
  border: 1px solid var(--primary);
}

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

/* ============================================
   Form Controls
   ============================================ */
.form-control {
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  font-size: 0.875rem;
  transition: var(--transition);
}

.form-control:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-label {
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 0.5rem;
  color: var(--text-secondary);
}

/* ============================================
   Chart Container
   ============================================ */
.chart-container {
  position: relative;
  height: 400px;
  width: 100%;
}

/* ============================================
   Flash Messages
   ============================================ */
.flash-messages {
  margin-bottom: 1.5rem;
}

/* ============================================
   Login Container
   ============================================ */
.login-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

/* ============================================
   Utilities
   ============================================ */
.text-muted {
  color: var(--text-muted) !important;
}

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

.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 1rem; }
.mb-4 { margin-bottom: 1.5rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 1rem; }
.mt-4 { margin-top: 1.5rem; }

.w-100 { width: 100%; }

.d-flex { display: flex; }
.align-items-center { align-items: center; }
.justify-content-between { justify-content: space-between; }
.gap-2 { gap: 0.5rem; }
.gap-3 { gap: 1rem; }

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 1200px) {
  :root {
    --sidebar-width: 200px;
  }
}

@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
  }
  
  .sidebar.show {
    transform: translateX(0);
  }
  
  .sidebar-toggle {
    display: block;
  }
  
  .main-content {
    margin-left: 0;
    padding: 5rem 1rem 1rem;
  }
  
  .metric-value {
    font-size: 1.75rem;
  }
  
  .data-table {
    font-size: 0.75rem;
  }
  
  .data-table th,
  .data-table td {
    padding: 0.5rem;
  }
}

/* ============================================
   Animations
   ============================================ */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  animation: fadeIn 0.3s ease;
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

.pulse {
  animation: pulse 2s ease infinite;
}

/* ============================================
   Loading States
   ============================================ */
.loading {
  opacity: 0.6;
  pointer-events: none;
}

.spinner {
  display: inline-block;
  width: 1rem;
  height: 1rem;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

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