/* Modern CRM CSS - Clean Version */

:root {
  --primary: #667eea;
  --primary-dark: #5a67d8;
  --secondary: #718096;
  --success: #48bb78;
  --danger: #f56565;
  --warning: #ed8936;
  --info: #4299e1;
  --light: #f7fafc;
  --dark: #2d3748;
  --card-bg: #ffffff;
  --border: #e2e8f0;
  --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-hover: 0 8px 25px rgba(0, 0, 0, 0.15);
  --radius: 10px;
  --transition: all 0.3s ease;
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
  color: var(--dark);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Header */
.header {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: #fff;
  padding: 0 2rem;
  height: 60px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: var(--shadow);
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
}

.header * {
  color: #fff !important;
}

.header h1 {
  font-size: 1.5rem;
  font-weight: 700;
  color: #fff !important;
}

.user-info {
  display: flex;
  align-items: center;
  gap: 1rem;
  color: #fff;
}

.user-info .user-details {
  color: #fff;
  font-weight: 500;
}

.user-info span {
  color: #fff;
}

.logout-btn {
  background: rgba(255, 255, 255, 0.2);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.3);
  padding: 0.5rem 1rem;
  border-radius: var(--radius);
  text-decoration: none;
  transition: var(--transition);
  backdrop-filter: blur(10px);
}

.logout-btn:hover {
  background: rgba(255, 255, 255, 0.3);
  transform: translateY(-2px);
}

.sidebar-toggle {
  display: none;
  background: none;
  border: none;
  color: #fff;
  font-size: 1.2rem;
  cursor: pointer;
  padding: 0.5rem;
  border-radius: var(--radius);
  transition: var(--transition);
}

.sidebar-toggle:hover {
  background: rgba(255, 255, 255, 0.1);
}

/* Sidebar */
.sidebar {
  background: linear-gradient(180deg, #2d3436 0%, #636e72 100%);
  width: 250px;
  height: calc(100vh - 60px);
  position: fixed;
  top: 60px;
  left: 0;
  padding: 2rem 1rem;
  z-index: 999;
  transition: var(--transition);
}

.sidebar h2 {
  color: #fff;
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 2rem;
  text-align: center;
  padding: 1rem;
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius);
  backdrop-filter: blur(10px);
}

.sidebar ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.sidebar li {
  margin-bottom: 0.5rem;
}

.sidebar a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  padding: 0.8rem 1rem;
  display: flex;
  align-items: center;
  gap: 0.8rem;
  border-radius: var(--radius);
  transition: var(--transition);
  font-weight: 500;
}

.sidebar a:hover,
.sidebar a.active {
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  backdrop-filter: blur(10px);
  transform: translateX(5px);
}

.sidebar .icon {
  width: 20px;
  text-align: center;
  font-size: 1.1rem;
}

/* Main Content */
.main-content {
  margin-left: 250px;
  margin-top: 60px;
  padding: 2rem;
  flex: 1;
  min-height: calc(100vh - 60px);
}

/* Cards */
.card {
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 2rem;
  margin-bottom: 2rem;
  border: 1px solid var(--border);
  transition: var(--transition);
}

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

.card h2 {
  color: var(--primary);
  margin-bottom: 1.5rem;
  font-size: 1.5rem;
  font-weight: 700;
}

.card h3 {
  color: var(--dark);
  margin-bottom: 1rem;
  font-size: 1.2rem;
  font-weight: 600;
}

/* Forms */
.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
  color: var(--dark);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.8rem;
  border: 2px solid var(--border);
  border-radius: var(--radius);
  font-size: 1rem;
  transition: var(--transition);
  background: #fff;
}

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.8rem 1.5rem;
  border: none;
  border-radius: var(--radius);
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
  justify-content: center;
}

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

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
}

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

.btn-danger {
  background: var(--danger);
  color: #fff;
}

.btn-secondary {
  background: var(--secondary);
  color: #fff;
}

/* Tables */
.table-container {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 1rem;
}

th, td {
  padding: 1rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

th {
  background: linear-gradient(135deg, var(--light) 0%, #e2e8f0 100%);
  font-weight: 600;
  color: var(--dark);
}

tr:hover {
  background: rgba(102, 126, 234, 0.05);
}

/* Dashboard Cards */
.dashboard-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.dashboard-card {
  background: linear-gradient(135deg, var(--card-bg) 0%, #f8f9ff 100%);
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: var(--shadow);
  border-left: 4px solid var(--primary);
  transition: var(--transition);
}

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

.dashboard-card h3 {
  margin: 0 0 0.5rem 0;
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary);
}

.dashboard-card p {
  margin: 0;
  color: var(--secondary);
  font-weight: 500;
}

/* Stats Grid */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.stat-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.5rem;
  text-align: center;
  border: 1px solid var(--border);
  transition: var(--transition);
}

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

.stat-number {
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 0.3rem;
}

.stat-label {
  color: var(--secondary);
  font-size: 1rem;
  font-weight: 500;
}

/* Pagination */
.pagination-wrapper {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow);
  margin: 2rem 0;
}

.pagination-info {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.pagination-stats {
  color: var(--secondary);
  font-size: 0.9rem;
}

.pagination-controls {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.pagination-controls a {
  padding: 0.6rem 1rem;
  border-radius: var(--radius);
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition);
  border: 1px solid var(--border);
  background: #fff;
  color: var(--dark);
}

.pagination-controls a:hover {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
  transform: translateY(-1px);
}

/* Login Box */
.login-box {
  max-width: 450px;
  margin: 5rem auto;
  background: rgba(255, 255, 255, 0.95);
  border-radius: 20px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
  padding: 3rem 2.5rem;
  text-align: center;
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.login-box h2 {
  margin-bottom: 2rem;
  color: var(--primary);
  font-size: 2rem;
  font-weight: 700;
}

.login-box input {
  margin-bottom: 1.5rem;
}

.login-box button {
  width: 100%;
  margin-top: 1rem;
  padding: 1rem;
  font-size: 1.1rem;
}

/* Badges */
.badge {
  display: inline-block;
  padding: 0.25em 0.7em;
  font-size: 0.85em;
  border-radius: 1em;
  background: var(--secondary);
  color: #fff;
  margin-right: 0.3em;
  font-weight: 500;
}

.badge.success { background: var(--success); }
.badge.danger { background: var(--danger); }
.badge.warning { background: var(--warning); color: #333; }
.badge.info { background: var(--info); }

/* Footer */
.footer {
  background: linear-gradient(135deg, #2d3436 0%, #636e72 100%);
  color: #fff;
  padding: 2rem 0;
  margin-top: auto;
  text-align: center;
}

/* Utilities */
.text-center { text-align: center; }
.text-right { text-align: right; }
.d-flex { display: flex; }
.align-items-center { align-items: center; }
.justify-content-between { justify-content: space-between; }
.gap-1 { gap: 1rem; }
.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 1rem; }
.mb-2 { margin-bottom: 2rem; }
.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 1rem; }
.mt-2 { margin-top: 2rem; }

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

.fade-in {
  animation: fadeIn 0.6s ease-out;
}

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

.loading {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 3px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  border-top-color: #fff;
  animation: spin 1s ease-in-out infinite;
}

/* Mobile Responsive */
@media (max-width: 768px) {
  .header {
    padding: 0 1rem;
    height: 60px;
  }
  
  .sidebar-toggle {
    display: block;
  }
  
  .user-details {
    display: none;
  }
  
  .sidebar {
    transform: translateX(-100%);
    width: 280px;
    z-index: 1001;
  }
  
  .sidebar.mobile-open {
    transform: translateX(0);
  }
  
  .main-content {
    margin-left: 0;
    padding: 1rem;
    margin-top: 80px; /* Extra space for mobile header */
  }
  
  .main-content > *:first-child,
  .card:first-child,
  .dashboard-cards:first-child {
    margin-top: 0;
  }
  
  .card {
    padding: 1.5rem 1rem;
    margin-bottom: 1.5rem;
  }
  
  .form-container {
    padding: 1rem;
  }
  
  .form-actions {
    flex-direction: column;
  }
  
  .form-actions .btn {
    text-align: center;
    justify-content: center;
  }
  
  .dashboard-cards {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
  }
  
  .pagination-info {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .pagination-controls {
    width: 100%;
    justify-content: center;
    flex-wrap: wrap;
  }
  
  .login-box {
    margin: 2rem 1rem;
    padding: 2rem 1.5rem;
  }
  
  table {
    font-size: 0.9rem;
  }
  
  th, td {
    padding: 0.5rem;
  }
  
  .btn {
    padding: 0.6rem 1rem;
    font-size: 0.9rem;
  }
}

@media (max-width: 480px) {
  .header h1 {
    font-size: 1.2rem;
  }
  
  .main-content {
    padding: 0.5rem;
    margin-top: 70px;
  }
  
  .card {
    padding: 1rem;
  }
  
  .stats-grid {
    grid-template-columns: 1fr;
  }
  
  .login-box {
    padding: 1.5rem 1rem;
  }
}

/* Form Styles */
.form-container {
  max-width: 800px;
  margin: 0 auto;
  padding: 2rem;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--dark);
  font-size: 0.95rem;
}

.form-group .required {
  color: var(--danger);
  margin-left: 0.25rem;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.75rem;
  border: 2px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.95rem;
  transition: var(--transition);
  background: #fff;
}

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

.form-group small {
  display: block;
  margin-top: 0.5rem;
  color: var(--secondary);
  font-size: 0.85rem;
}

.form-group textarea {
  resize: vertical;
  min-height: 100px;
}

/* Customer Search Container */
.customer-search-container {
  position: relative;
}

.customer-suggestions {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: #fff;
  border: 2px solid var(--border);
  border-top: none;
  border-radius: 0 0 var(--radius) var(--radius);
  max-height: 200px;
  overflow-y: auto;
  z-index: 1000;
  box-shadow: var(--shadow);
}

.customer-suggestion {
  padding: 0.75rem;
  cursor: pointer;
  border-bottom: 1px solid var(--border);
  transition: background-color 0.2s ease;
}

.customer-suggestion:hover {
  background-color: var(--light);
}

.customer-suggestion:last-child {
  border-bottom: none;
}

/* Form Actions */
.form-actions {
  display: flex;
  gap: 1rem;
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}

.form-actions .btn {
  padding: 0.75rem 1.5rem;
  font-weight: 600;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: #fff;
  border: none;
}

.btn-secondary {
  background: var(--secondary);
  color: #fff;
  border: none;
}

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

/* Focus Styles for Accessibility */
button:focus, .btn:focus, input:focus, select:focus, textarea:focus {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
  :root {
    --border: #000;
    --shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
  }
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}