:root {
  /* Main color palette */
  --primary-color: #3a86ff;
  --secondary-color: #8338ec;
  --success-color: #38b000;
  --warning-color: #ffbe0b;
  --danger-color: #ff006e;
  --info-color: #3a86ff;
  --light-color: #f8f9fa;
  --dark-color: #212529;
  --body-bg: #f0f5fa;
  
  /* Status and priority colors */
  --status-pending: var(--warning-color);
  --status-in-progress: var(--secondary-color);
  --status-under-review: var(--info-color);
  --status-awaiting-response: #fb8500;
  --status-resolved: var(--success-color);
  --status-rejected: var(--danger-color);
  --priority-high: var(--danger-color);
  --priority-normal: var(--secondary-color);
  --priority-low: var(--info-color);
  
  /* Common UI elements */
  --card-shadow: 0 0.25rem 1rem rgba(0, 0, 0, 0.1);
  --hover-transition: all 0.3s ease;
  --border-radius: 10px;
  --badge-radius: 20px;
}

/* Global styles */
body {
  min-height: 100vh;
  background-color: var(--body-bg);
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  display: flex;
  flex-direction: column;
  color: #333;
  line-height: 1.6;
}

.content {
  flex: 1 0 auto;
  padding: 1.5rem;
  max-width: 1400px;
  margin: 0 auto;
  width: 100%;
}

footer {
  background-color: var(--dark-color);
  color: rgba(255, 255, 255, 0.7);
  text-align: center;
  padding: 1rem 0;
  margin-top: auto;
}

/* Card styles */
.card {
  border-radius: var(--border-radius);
  box-shadow: var(--card-shadow);
  transition: transform 0.2s, box-shadow 0.3s;
  overflow: hidden;
  margin-bottom: 20px;
  border: none;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 0.5rem 1.5rem rgba(0, 0, 0, 0.15);
}

.card-header {
  background-color: #fff;
  font-weight: 500;
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  padding: 1rem 1.25rem;
}

/* Status badge styles */
.status-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.35em 0.8em;
  border-radius: var(--badge-radius);
  font-size: 0.8rem;
  font-weight: 600;
  color: #fff;
  text-align: center;
  min-width: 85px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

/* Status colors */
.status-pending { background-color: var(--status-pending); }
.status-in-progress { background-color: var(--status-in-progress); }
.status-under-review { background-color: var(--status-under-review); }
.status-awaiting-response { background-color: var(--status-awaiting-response); }
.status-resolved { background-color: var(--status-resolved); }
.status-rejected { background-color: var(--status-rejected); }

/* Priority colors */
.priority-high {
  background-color: var(--priority-high);
  animation: pulse-high 2s infinite;
}
.priority-normal { background-color: var(--priority-normal); }
.priority-low { background-color: var(--priority-low); }

/* Animation for high priority items */
@keyframes pulse-high {
  0% { box-shadow: 0 0 0 0 rgba(255, 0, 110, 0.4); }
  70% { box-shadow: 0 0 0 10px rgba(255, 0, 110, 0); }
  100% { box-shadow: 0 0 0 0 rgba(255, 0, 110, 0); }
}

/* Table styles */
.table {margin-bottom: 0;}
.table th {
  background-color: rgba(0,0,0,0.02);
  font-weight: 600;
  border-top: none;
}
.table td {vertical-align: middle;}
.table-hover tbody tr:hover {background-color: rgba(58, 134, 255, 0.05);}

/* Form styles */
.form-control, .form-select {
  border-radius: 0.5rem;
  border: 1px solid #dee2e6;
  transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}

.form-control:focus, .form-select:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 0.25rem rgba(58, 134, 255, 0.25);
}

.form-label {font-weight: 500;}
.form-text {color: #6c757d; font-size: 0.875rem;}

/* Button styles */
.btn {
  border-radius: 8px;
  font-weight: 500;
  transition: all 0.2s ease;
}

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

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

/* Buttons with loading state */
.btn-loading {
  position: relative;
  color: transparent !important;
}

.btn-loading::after {
  content: "";
  position: absolute;
  width: 1rem;
  height: 1rem;
  top: calc(50% - 0.5rem);
  left: calc(50% - 0.5rem);
  border: 2px solid rgba(255, 255, 255, 0.5);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

/* Loading overlay */
.loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(240, 245, 250, 0.9);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 9999;
  visibility: hidden;
  opacity: 0;
  transition: visibility 0s linear 0.2s, opacity 0.2s ease-in-out;
  backdrop-filter: blur(3px);
}

.loading-overlay.active {
  visibility: visible;
  opacity: 1;
  transition-delay: 0s;
}

.spinner-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 2rem;
  background-color: #fff;
  border-radius: 16px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.15);
  min-width: 200px;
}

/* Tag styles */
.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  padding: 10px;
  background-color: rgba(58, 134, 255, 0.05);
  border-radius: 8px;
  border: 1px dashed rgba(58, 134, 255, 0.3);
}

.tag {
  background-color: rgba(58, 134, 255, 0.15);
  padding: 4px 12px;
  border-radius: var(--badge-radius);
  font-size: 0.75rem;
  color: var(--primary-color);
  border: 1px solid rgba(58, 134, 255, 0.3);
  font-weight: 500;
}

/* Stats card styles */
.stats-card {
  text-align: center;
  padding: 1.5rem;
  border-radius: var(--border-radius);
  color: white;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  box-shadow: var(--card-shadow);
}

/* Stats card colors */
.stats-card.total { background-color: var(--primary-color); }
.stats-card.pending { background-color: var(--status-pending); }
.stats-card.progress { background-color: var(--status-in-progress); }
.stats-card.resolved { background-color: var(--status-resolved); }

.stats-card h3 {
  font-size: 2.25rem;
  margin-bottom: 5px;
  font-weight: 700;
}

/* Page header */
.page-header {
  margin-bottom: 1.5rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid rgba(0,0,0,0.05);
}

/* Notification badge */
.notification-badge {
  position: absolute;
  top: 5px;
  right: 5px;
  background-color: var(--danger-color);
  color: white;
  border-radius: 50%;
  padding: 0.25rem 0.5rem;
  font-size: 0.75rem;
}

.notification-active {
  animation: bell-shake 1s cubic-bezier(.36,.07,.19,.97) infinite;
  transform-origin: top center;
}

@keyframes bell-shake {
  0% { transform: rotate(0); }
  15% { transform: rotate(5deg); }
  30% { transform: rotate(-5deg); }
  45% { transform: rotate(4deg); }
  60% { transform: rotate(-4deg); }
  75% { transform: rotate(2deg); }
  85% { transform: rotate(-2deg); }
  92% { transform: rotate(1deg); }
  100% { transform: rotate(0); }
}

/* Comment section */
.comment {
  border-radius: 8px;
  transition: all 0.2s ease;
  border: 1px solid rgba(0,0,0,0.1);
  margin-bottom: 1rem;
  padding: 1rem;
}

/* Navbar */
.navbar {
  background-color: var(--primary-color);
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.nav-link {
  color: rgba(255,255,255,0.9) !important;
  transition: all 0.3s;
}

.nav-link:hover {
  color: white !important;
  background-color: rgba(255,255,255,0.1);
}

.nav-link.active {
  color: white !important;
  background-color: rgba(255, 255, 255, 0.15);
  font-weight: 500;
}

/* Timeline for status updates */
.timeline {
  position: relative;
  padding-left: 30px;
}

.timeline::before {
  content: '';
  position: absolute;
  top: 0;
  left: 15px;
  height: 100%;
  width: 2px;
  background: var(--secondary-color);
}

.timeline-item {
  position: relative;
  margin-bottom: 25px;
}

.timeline-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: -30px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--primary-color);
  border: 2px solid white;
}

.chart-container {
  position: relative;
  height: 300px;
  width: 100%;
}

canvas {
  max-width: 100%;

}

.process-step {
  transition: transform 0.3s ease;
}

.process-step:hover {
  transform: translateY(-5px);
}

.hero-section {
  background: linear-gradient(135deg, rgba(58, 134, 255, 0.1) 0%, rgba(131, 56, 236, 0.1) 100%);
  border-radius: 0 0 20px 20px;
  padding: 60px 0;
  margin-bottom: 30px;
}

.feature-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 65px;
  height: 65px;
  background-color: rgba(58, 134, 255, 0.1);
  border-radius: 50%;
  margin: 0 auto 15px;
}

.estimate-box {
  background-color: #f8f9fa;
  border-radius: var(--border-radius);
  padding: 1.25rem;
  box-shadow: 0 0.1rem 0.5rem rgba(0, 0, 0, 0.05);
  border-left: 4px solid var(--info-color);
}

.estimate-card {
  display: flex;
  align-items: center;
  background-color: white;
  border-radius: var(--border-radius);
  padding: 1rem;
  height: 100%;
  box-shadow: 0 0.1rem 0.3rem rgba(0, 0, 0, 0.05);
  transition: transform 0.2s ease, box-shadow 0.3s ease;
}

.estimate-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 0.2rem 0.5rem rgba(0, 0, 0, 0.1);
}

.estimate-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background-color: rgba(58, 134, 255, 0.1);
  margin-right: 1rem;
  color: var(--primary-color);
  flex-shrink: 0;
}

.estimate-content {
  flex-grow: 1;
}

.estimate-label {
  font-size: 0.85rem;
  color: #6c757d;
  margin-bottom: 0.25rem;
}

.estimate-value {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--dark-color);
}

@media (max-width: 768px) {
  .estimate-card {
      margin-bottom: 1rem;
  }
}

.system-comment {
  background-color: rgba(248, 249, 250, 0.8);
  border-left: 3px solid var(--info-color);
}