/* ============================================
   PreditX Custom Styles - Modern Design System
   ============================================ */

/* === Official Brand Color Palette === */
:root {
  /* Primary Brand Colors */
  --brand-green: #88c251;              /* Primary Green - Growth, Success, Life */
  --brand-blue: #0085ca;               /* Primary Blue - Trust, Science, Technology */
  
  /* Primary Gradient (Brand Colors) */
  --primary-gradient-start: #0085ca;    /* Brand Blue */
  --primary-gradient-end: #88c251;      /* Brand Green */
  
  /* Derived Color Variations */
  --brand-green-light: #a8d475;        /* Light Green (20% lighter) */
  --brand-green-dark: #6a9a3d;         /* Dark Green (20% darker) */
  --brand-blue-light: #33a0d6;         /* Light Blue (20% lighter) */
  --brand-blue-dark: #006ba3;          /* Dark Blue (20% darker) */
  
  /* Secondary: Biotechnology Purple (kept for variety) */
  --secondary-gradient-start: #6a4c93;  /* Bio-Tech Purple */
  --secondary-gradient-end: #8b5cf6;    /* Science Violet */
  
  /* Success: Use Brand Green */
  --success-color: #88c251;             /* Brand Green */
  --success-gradient-start: #88c251;     /* Brand Green */
  --success-gradient-end: #a8d475;       /* Light Green */
  --success-light: rgba(136,194,81,0.1);
  --success-dark: #6a9a3d;
  
  /* Info: Use Brand Blue */
  --info-color: #0085ca;                /* Brand Blue */
  --info-gradient-start: #0085ca;        /* Brand Blue */
  --info-gradient-end: #33a0d6;         /* Light Blue */
  --info-light: rgba(0,133,202,0.1);
  --info-dark: #006ba3;
  
  /* Warning: Clinical Orange (kept for alerts) */
  --warning-gradient-start: #ea580c;   /* Clinical Orange */
  --warning-gradient-end: #fb923c;     /* Warm Orange */
  
  /* Danger: Critical Red (kept for alerts) */
  --danger-gradient-start: #dc2626;    /* Medical Red */
  --danger-gradient-end: #ef4444;      /* Alert Red */
  
  /* Accent Colors */
  --accent-color: #88c251;             /* Brand Green */
  --accent-secondary: #6a4c93;         /* Bio-Tech Purple */
  
  /* Neutral Colors */
  --dark-bg: #1e293b;                  /* Professional Dark */
  --card-bg: #ffffff;                   /* Clean White */
  --text-primary: #1e293b;             /* Dark Slate */
  --text-secondary: #64748b;           /* Medium Slate */
  --border-color: #e2e8f0;             /* Light Border */
  
  /* Shadow System (updated with brand blue) */
  --shadow-sm: 0 2px 4px rgba(0,133,202,0.08);
  --shadow-md: 0 4px 8px rgba(0,133,202,0.12);
  --shadow-lg: 0 10px 25px rgba(0,133,202,0.15);
  --shadow-xl: 0 20px 40px rgba(0,133,202,0.2);
}

/* === Body Styling === */
body {
  background: linear-gradient(135deg, #e0f2fe 0%, #dbeafe 50%, #ede9fe 100%);
  min-height: 100vh;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  color: var(--text-primary);
  position: relative;
}

body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 20% 30%, rgba(0, 133, 202, 0.06) 0%, transparent 50%),
    radial-gradient(circle at 80% 70%, rgba(136, 194, 81, 0.06) 0%, transparent 50%),
    radial-gradient(circle at 50% 50%, rgba(106, 76, 147, 0.04) 0%, transparent 60%);
  pointer-events: none;
  z-index: 0;
}

.container, .container-fluid {
  position: relative;
  z-index: 1;
}

/* === Advanced Navbar === */
.navbar {
  background: #0085ca !important;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
  padding: 0.75rem 0;
  border-bottom: 3px solid #88c251;
}

.navbar-brand {
  font-weight: 700;
  font-size: 1.5rem;
  color: #ffffff !important;
  display: flex;
  align-items: center;
  transition: all 0.3s ease;
}

.navbar-brand:hover {
  opacity: 0.9;
}

.navbar-brand img {
  border-radius: 6px;
  background: #ffffff;
  padding: 4px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.2);
  border: none;
}

.navbar-brand strong {
  color: #ffffff;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

/* Navbar Links */
.nav-link {
  color: rgba(255, 255, 255, 0.95) !important;
  font-weight: 500;
  padding: 0.5rem 1rem !important;
  margin: 0 0.25rem;
  border-radius: 6px;
  transition: all 0.2s ease;
}

.nav-link:hover {
  color: #ffffff !important;
  background: rgba(255, 255, 255, 0.2);
}

.nav-link.active {
  background: rgba(255, 255, 255, 0.25);
  color: #ffffff !important;
}

/* Admin Link Special Styling */
.nav-link.text-warning {
  background: #88c251;
  color: #ffffff !important;
  font-weight: 600;
  box-shadow: 0 2px 4px rgba(136, 194, 81, 0.3);
}

.nav-link.text-warning:hover {
  background: #76ad42;
  box-shadow: 0 3px 6px rgba(136, 194, 81, 0.4);
}

/* Navbar Toggler */
.navbar-toggler {
  border: 2px solid rgba(255, 255, 255, 0.5);
  border-radius: 8px;
}

.navbar-toggler:focus {
  box-shadow: 0 0 0 0.25rem rgba(255, 255, 255, 0.25);
}

/* === Cards === */
.card {
  margin-top: 1.5rem;
  background: var(--card-bg);
  border-radius: 16px;
  border: none;
  box-shadow: var(--shadow-md);
  transition: all 0.3s ease;
  overflow: hidden;
}

.card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.card-header {
  background: #0085ca;
  color: #ffffff;
  font-weight: 600;
  font-size: 1.1rem;
  padding: 1rem 1.5rem;
  border-bottom: 3px solid #88c251;
  border-radius: 16px 16px 0 0 !important;
}

.card-header h5,
.card-header h6,
.card-header h3,
.card-header h4 {
  color: #ffffff !important;
  margin: 0;
}

.card-body {
  padding: 1.5rem;
}

.card-footer {
  background: rgba(0, 0, 0, 0.02);
  border-top: 1px solid var(--border-color);
  padding: 1rem 1.5rem;
}

/* === Buttons === */
.btn {
  border-radius: 10px;
  padding: 0.75rem 1.5rem;
  font-weight: 600;
  transition: all 0.3s ease;
  border: none;
  box-shadow: var(--shadow-sm);
}

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

.btn-primary {
  background: linear-gradient(135deg, var(--primary-gradient-start) 0%, var(--primary-gradient-end) 100%);
  color: #ffffff;
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--primary-gradient-end) 0%, var(--primary-gradient-start) 100%);
}

.btn-success {
  background: linear-gradient(135deg, var(--success-gradient-start) 0%, var(--success-gradient-end) 100%);
  color: #ffffff;
}

.btn-success:hover {
  background: linear-gradient(135deg, var(--success-gradient-end) 0%, var(--success-gradient-start) 100%);
}

.btn-info {
  background: linear-gradient(135deg, var(--info-gradient-start) 0%, var(--info-gradient-end) 100%);
  color: #ffffff;
}

.btn-info:hover {
  background: linear-gradient(135deg, var(--info-gradient-end) 0%, var(--info-gradient-start) 100%);
}

.btn-warning {
  background: linear-gradient(135deg, var(--warning-gradient-start) 0%, var(--warning-gradient-end) 100%);
  color: #ffffff;
}

.btn-warning:hover {
  background: linear-gradient(135deg, var(--warning-gradient-end) 0%, var(--warning-gradient-start) 100%);
}

.btn-danger {
  background: linear-gradient(135deg, var(--danger-gradient-start) 0%, var(--danger-gradient-end) 100%);
  color: #ffffff;
}

.btn-danger:hover {
  background: linear-gradient(135deg, var(--danger-gradient-end) 0%, var(--danger-gradient-start) 100%);
}

.btn-outline-primary {
  border: 2px solid var(--primary-gradient-start);
  color: var(--primary-gradient-start);
  background: transparent;
}

.btn-outline-primary:hover {
  background: linear-gradient(135deg, var(--primary-gradient-start) 0%, var(--primary-gradient-end) 100%);
  color: #ffffff;
  border-color: transparent;
}

/* === Badges === */
.badge {
  border-radius: 8px;
  padding: 0.5rem 0.75rem;
  font-weight: 600;
  font-size: 0.85rem;
}

.badge.bg-primary {
  background: linear-gradient(135deg, var(--primary-gradient-start) 0%, var(--primary-gradient-end) 100%) !important;
}

.badge.bg-success {
  background: linear-gradient(135deg, var(--success-gradient-start) 0%, var(--success-gradient-end) 100%) !important;
}

.badge.bg-warning {
  background: linear-gradient(135deg, var(--warning-gradient-start) 0%, var(--warning-gradient-end) 100%) !important;
}

.badge.bg-danger {
  background: linear-gradient(135deg, var(--danger-gradient-start) 0%, var(--danger-gradient-end) 100%) !important;
}

.badge.bg-info {
  background: linear-gradient(135deg, var(--info-gradient-start) 0%, var(--info-gradient-end) 100%) !important;
}

/* === Alerts === */
.alert {
  border-radius: 12px;
  border: none;
  box-shadow: var(--shadow-sm);
}

.alert-primary {
  background: linear-gradient(135deg, rgba(0, 133, 202, 0.1) 0%, rgba(136, 194, 81, 0.1) 100%);
  border-left: 4px solid var(--primary-gradient-start);
  color: var(--primary-gradient-start);
}

.alert-success {
  background: linear-gradient(135deg, rgba(136, 194, 81, 0.1) 0%, rgba(168, 212, 117, 0.1) 100%);
  border-left: 4px solid var(--success-gradient-start);
  color: var(--success-gradient-start);
}

.alert-warning {
  background: linear-gradient(135deg, rgba(234, 88, 12, 0.1) 0%, rgba(251, 146, 60, 0.1) 100%);
  border-left: 4px solid var(--warning-gradient-start);
  color: var(--warning-gradient-start);
}

.alert-danger {
  background: linear-gradient(135deg, rgba(220, 38, 38, 0.1) 0%, rgba(239, 68, 68, 0.1) 100%);
  border-left: 4px solid var(--danger-gradient-start);
  color: var(--danger-gradient-start);
}

.alert-info {
  background: linear-gradient(135deg, rgba(0, 133, 202, 0.1) 0%, rgba(51, 160, 214, 0.1) 100%);
  border-left: 4px solid var(--info-gradient-start);
  color: var(--info-gradient-start);
}

/* === Forms === */
.form-control, .form-select {
  border-radius: 10px;
  border: 2px solid var(--border-color);
  padding: 0.75rem 1rem;
  transition: all 0.3s ease;
}

.form-control:focus, .form-select:focus {
  border-color: var(--primary-gradient-start);
  box-shadow: 0 0 0 0.2rem rgba(0, 133, 202, 0.25);
}

.form-label {
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

/* === Tables === */
.table {
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.table thead {
  background: linear-gradient(135deg, var(--primary-gradient-start) 0%, var(--primary-gradient-end) 100%);
  color: #ffffff;
}

.table thead th {
  border: none;
  font-weight: 600;
  padding: 1rem;
}

.table tbody tr {
  transition: background 0.2s ease;
}

.table tbody tr:hover {
  background: rgba(0, 133, 202, 0.05);
}

.table tbody td {
  padding: 1rem;
  vertical-align: middle;
  border-color: var(--border-color);
}

/* === Progress Bars === */
.progress {
  height: 24px;
  border-radius: 12px;
  background: rgba(0, 0, 0, 0.05);
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.1);
}

.progress-bar {
  background: linear-gradient(90deg, var(--primary-gradient-start) 0%, var(--primary-gradient-end) 100%);
  border-radius: 12px;
  box-shadow: 0 2px 4px rgba(0, 133, 202, 0.3);
  transition: width 0.6s ease;
}

/* === Spinners === */
.spinner-border {
  border-width: 3px;
}

.spinner-border.text-primary {
  border-color: var(--primary-gradient-start);
  border-right-color: transparent;
}

/* === Special Elements === */
.border-primary {
  border: 3px solid var(--primary-gradient-start) !important;
  box-shadow: 0 0 20px rgba(0, 133, 202, 0.2);
}

/* Pre block for logs */
.card-body pre {
  font-size: 0.9rem;
  line-height: 1.6;
  background: var(--dark-bg);
  color: #38bdf8;
  padding: 1.5rem;
  border-radius: 12px;
  box-shadow: inset 0 2px 8px rgba(0, 0, 0, 0.3);
  overflow-x: auto;
  font-family: 'Courier New', monospace;
}

/* === Animations === */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.card, .alert {
  animation: fadeIn 0.5s ease;
}

/* === Responsive Design === */
@media (max-width: 768px) {
  .navbar-brand {
    font-size: 1.25rem;
  }
  
  .nav-link {
    padding: 0.75rem 1rem !important;
    margin: 0.25rem 0;
  }
  
  .card {
    margin-top: 1rem;
  }
}

/* === Accordion Brand Colors === */
.accordion-button:not(.collapsed) {
  background: linear-gradient(135deg, var(--info-light) 0%, rgba(0,133,202,0.15) 100%);
  color: var(--info-color);
  border-color: var(--info-color);
}

.accordion-button:focus {
  border-color: var(--info-color);
  box-shadow: 0 0 0 0.25rem rgba(0,133,202,0.25);
}

.accordion-button::after {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%230085ca'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
}

.accordion-button:not(.collapsed)::after {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%230085ca'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
}

/* === Progress Timeline === */
.progress-timeline {
  display: flex;
  flex-wrap: wrap;
  gap: 15px;
  padding: 20px 0;
}

.timeline-step {
  flex: 1;
  min-width: 150px;
  padding: 15px;
  border-radius: 8px;
  background: #f8f9fa;
  border-left: 4px solid #dee2e6;
  transition: all 0.3s ease;
  position: relative;
}

.timeline-step.completed {
  background: rgba(136,194,81,0.1);
  border-left-color: var(--success-color);
}

.timeline-step.active {
  background: rgba(0,133,202,0.1);
  border-left-color: var(--info-color);
  animation: pulse 2s infinite;
}

.timeline-step.pending {
  opacity: 0.6;
}

.step-number {
  display: inline-block;
  width: 30px;
  height: 30px;
  line-height: 30px;
  text-align: center;
  border-radius: 50%;
  background: #dee2e6;
  color: #6c757d;
  font-weight: bold;
  margin-right: 10px;
  transition: all 0.3s ease;
}

.timeline-step.completed .step-number {
  background: linear-gradient(135deg, var(--success-gradient-start), var(--success-gradient-end));
  color: white;
}

.timeline-step.active .step-number {
  background: linear-gradient(135deg, var(--primary-gradient-start), var(--primary-gradient-end));
  color: white;
}

.step-label {
  font-weight: 500;
  color: var(--text-primary);
}

.timeline-step.completed .step-label::after {
  content: " ✓";
  color: var(--success-color);
  font-weight: bold;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}