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

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  min-height: 100vh;
  padding: 20px;
  color: #333;
}

.container {
  max-width: 1400px;
  margin: 0 auto;
  background: rgba(255, 255, 255, 0.95);
  border-radius: 20px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
  overflow: hidden;
}

/* Header */
header {
  background: linear-gradient(135deg, #2c3e50, #34495e);
  color: white;
  padding: 30px;
  text-align: center;
  position: relative;
}

header h1 {
  font-size: 2.5em;
  margin-bottom: 10px;
  font-weight: 700;
}

header p {
  font-size: 1.2em;
  opacity: 0.9;
}

.admin-link {
  position: absolute;
  top: 20px;
  right: 20px;
  background: rgba(255, 255, 255, 0.2);
  color: white;
  padding: 10px 20px;
  border-radius: 25px;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s ease;
}

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

/* Tabs */
.tabs {
  display: flex;
  background: #f8f9fa;
  border-bottom: 1px solid #dee2e6;
  padding: 0 20px;
}

.tab-button {
  background: none;
  border: none;
  padding: 20px 30px;
  font-size: 16px;
  font-weight: 600;
  color: #6c757d;
  cursor: pointer;
  transition: all 0.3s ease;
  border-bottom: 3px solid transparent;
}

.tab-button:hover {
  color: #495057;
  background: rgba(0, 0, 0, 0.05);
}

.tab-button.active {
  color: #007bff;
  border-bottom-color: #007bff;
  background: white;
}

/* Tab Content */
.tab-content {
  display: none;
  padding: 30px;
}

.tab-content.active {
  display: block;
}

/* Card Layout */
.card-group {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 30px;
}

.card {
  background: white;
  border-radius: 15px;
  padding: 25px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
  border: 1px solid #e9ecef;
}

.card h2 {
  color: #2c3e50;
  margin-bottom: 20px;
  font-size: 1.4em;
  display: flex;
  align-items: center;
  gap: 10px;
}

/* Form Elements */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 15px;
  margin-bottom: 20px;
}

.form-grid.compact {
  grid-template-columns: 1fr 1fr 1fr;
}

.form-group {
  margin-bottom: 15px;
}

.form-group.full-width {
  grid-column: 1 / -1;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
  color: #495057;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 15px;
  border: 2px solid #e9ecef;
  border-radius: 8px;
  font-size: 14px;
  transition: all 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: #007bff;
  box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.1);
}

.form-group textarea {
  min-height: 120px;
  resize: vertical;
  font-family: monospace;
}

.form-group small {
  display: block;
  margin-top: 5px;
  color: #6c757d;
  font-size: 12px;
}

/* Buttons */
.primary-btn, .secondary-btn, .danger-btn, .whatsapp-btn {
  padding: 14px 28px;
  border: none;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-right: 10px;
  margin-bottom: 10px;
}

.primary-btn {
  background: linear-gradient(135deg, #007bff, #0056b3);
  color: white;
}

.primary-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(0, 123, 255, 0.3);
}

.primary-btn:disabled {
  background: #6c757d;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.secondary-btn {
  background: #6c757d;
  color: white;
}

.secondary-btn:hover {
  background: #545b62;
  transform: translateY(-2px);
}

.danger-btn {
  background: #dc3545;
  color: white;
}

.danger-btn:hover {
  background: #c82333;
  transform: translateY(-2px);
}

.whatsapp-btn {
  background: linear-gradient(135deg, #25D366, #128C7E);
  color: white;
}

.whatsapp-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(37, 211, 102, 0.3);
}

.action-buttons {
  margin-top: 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* Status & Progress */
.status-message {
  padding: 12px 15px;
  border-radius: 8px;
  margin-top: 15px;
  font-weight: 500;
}

.status-message.success {
  background: #d4edda;
  color: #155724;
  border: 1px solid #c3e6cb;
}

.status-message.error {
  background: #f8d7da;
  color: #721c24;
  border: 1px solid #f5c6cb;
}

.status-message.info {
  background: #cce7ff;
  color: #004085;
  border: 1px solid #b3d7ff;
}

.status-message.warning {
  background: #fff3cd;
  color: #856404;
  border: 1px solid #ffeaa7;
}

/* Stats Grid */
.stats-grid, .whatsapp-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 15px;
  margin: 20px 0;
}

.stat-card {
  background: #f8f9fa;
  padding: 20px;
  border-radius: 10px;
  text-align: center;
  border-left: 4px solid #6c757d;
}

.stat-card.valid {
  border-left-color: #28a745;
}

.stat-card.error {
  border-left-color: #dc3545;
}

.stat-number {
  font-size: 2em;
  font-weight: 700;
  color: #2c3e50;
}

.stat-label {
  font-size: 12px;
  color: #6c757d;
  font-weight: 600;
  text-transform: uppercase;
  margin-top: 5px;
}

/* Progress Bar */
.progress-section {
  background: #f8f9fa;
  padding: 20px;
  border-radius: 10px;
  margin: 20px 0;
}

.progress-header {
  display: flex;
  justify-content: space-between;
  margin-bottom: 10px;
  font-weight: 600;
}

.progress-bar {
  height: 10px;
  background: #e9ecef;
  border-radius: 5px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, #007bff, #0056b3);
  border-radius: 5px;
  transition: width 0.3s ease;
  width: 0%;
}

.progress-details {
  margin-top: 10px;
  font-size: 12px;
  color: #6c757d;
}

/* WhatsApp Status */
.whatsapp-status-panel {
  margin-bottom: 20px;
}

.status-box {
  background: #f8f9fa;
  padding: 20px;
  border-radius: 10px;
  border-left: 4px solid #007bff;
}

/* Tables */
.table-container {
  overflow-x: auto;
  margin-top: 15px;
  border: 1px solid #dee2e6;
  border-radius: 10px;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

th {
  background: #f8f9fa;
  padding: 15px 12px;
  text-align: left;
  font-weight: 600;
  color: #495057;
  border-bottom: 2px solid #dee2e6;
}

td {
  padding: 12px;
  border-bottom: 1px solid #dee2e6;
}

tr:hover {
  background: #f8f9fa;
}

.table-info {
  display: flex;
  justify-content: space-between;
  padding: 15px;
  background: #f8f9fa;
  border-top: 1px solid #dee2e6;
  font-size: 12px;
  color: #6c757d;
}

/* Performance Info */
.performance-info {
  background: #e7f3ff;
  padding: 15px;
  border-radius: 8px;
  margin: 15px 0;
  border-left: 4px solid #007bff;
}

.performance-info h4 {
  margin-bottom: 10px;
  color: #004085;
}

/* Badges */
.badge {
  display: inline-block;
  padding: 4px 8px;
  font-size: 11px;
  font-weight: 600;
  border-radius: 4px;
  text-transform: uppercase;
}

.badge.success {
  background: #d4edda;
  color: #155724;
}

.badge.error {
  background: #f8d7da;
  color: #721c24;
}

.badge.warning {
  background: #fff3cd;
  color: #856404;
}

.badge.info {
  background: #cce7ff;
  color: #004085;
}

/* Responsive Design */
@media (max-width: 1024px) {
  .card-group {
    grid-template-columns: 1fr;
  }
  
  .stats-grid, .whatsapp-stats {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .container {
    margin: 10px;
    border-radius: 15px;
  }
  
  header {
    padding: 20px;
  }
  
  header h1 {
    font-size: 2em;
  }
  
  .tabs {
    flex-direction: column;
    padding: 0;
  }
  
  .tab-button {
    padding: 15px 20px;
    border-bottom: 1px solid #dee2e6;
    border-left: 3px solid transparent;
  }
  
  .tab-button.active {
    border-left-color: #007bff;
    border-bottom-color: #dee2e6;
  }
  
  .tab-content {
    padding: 20px;
  }
  
  .form-grid {
    grid-template-columns: 1fr;
  }
  
  .action-buttons {
    flex-direction: column;
  }
  
  .primary-btn, .secondary-btn, .danger-btn, .whatsapp-btn {
    width: 100%;
    justify-content: center;
    margin-right: 0;
  }
}

/* Loading Animation */
@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.loading {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 3px solid #f3f3f3;
  border-top: 3px solid #007bff;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

/* Utility Classes */
.text-center { text-align: center; }
.text-right { text-align: right; }
.mt-20 { margin-top: 20px; }
.mb-20 { margin-bottom: 20px; }
.hidden { display: none; }
/* Reset & Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  min-height: 100vh;
  padding: 20px;
  color: #333;
}

.container {
  max-width: 1400px;
  margin: 0 auto;
  background: rgba(255, 255, 255, 0.95);
  border-radius: 20px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
  overflow: hidden;
}

/* Header */
header {
  background: linear-gradient(135deg, #2c3e50, #34495e);
  color: white;
  padding: 30px;
  text-align: center;
  position: relative;
}

header h1 {
  font-size: 2.5em;
  margin-bottom: 10px;
  font-weight: 700;
}

header p {
  font-size: 1.2em;
  opacity: 0.9;
}

.admin-link {
  position: absolute;
  top: 20px;
  right: 20px;
  background: rgba(255, 255, 255, 0.2);
  color: white;
  padding: 10px 20px;
  border-radius: 25px;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s ease;
}

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

/* Tabs */
.tabs {
  display: flex;
  background: #f8f9fa;
  border-bottom: 1px solid #dee2e6;
  padding: 0 20px;
}

.tab-button {
  background: none;
  border: none;
  padding: 20px 30px;
  font-size: 16px;
  font-weight: 600;
  color: #6c757d;
  cursor: pointer;
  transition: all 0.3s ease;
  border-bottom: 3px solid transparent;
}

.tab-button:hover {
  color: #495057;
  background: rgba(0, 0, 0, 0.05);
}

.tab-button.active {
  color: #007bff;
  border-bottom-color: #007bff;
  background: white;
}

/* Tab Content */
.tab-content {
  display: none;
  padding: 30px;
}

.tab-content.active {
  display: block;
}

/* Card Layout */
.card-group {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 30px;
}

.card {
  background: white;
  border-radius: 15px;
  padding: 25px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
  border: 1px solid #e9ecef;
}

.card h2 {
  color: #2c3e50;
  margin-bottom: 20px;
  font-size: 1.4em;
  display: flex;
  align-items: center;
  gap: 10px;
}

/* Form Elements */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 15px;
  margin-bottom: 20px;
}

.form-grid.compact {
  grid-template-columns: 1fr 1fr 1fr;
}

.form-group {
  margin-bottom: 15px;
}

.form-group.full-width {
  grid-column: 1 / -1;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
  color: #495057;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 15px;
  border: 2px solid #e9ecef;
  border-radius: 8px;
  font-size: 14px;
  transition: all 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: #007bff;
  box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.1);
}

.form-group textarea {
  min-height: 120px;
  resize: vertical;
  font-family: monospace;
}

.form-group small {
  display: block;
  margin-top: 5px;
  color: #6c757d;
  font-size: 12px;
}

/* Buttons */
.primary-btn, .secondary-btn, .danger-btn, .whatsapp-btn {
  padding: 14px 28px;
  border: none;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-right: 10px;
  margin-bottom: 10px;
}

.primary-btn {
  background: linear-gradient(135deg, #007bff, #0056b3);
  color: white;
}

.primary-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(0, 123, 255, 0.3);
}

.primary-btn:disabled {
  background: #6c757d;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.secondary-btn {
  background: #6c757d;
  color: white;
}

.secondary-btn:hover {
  background: #545b62;
  transform: translateY(-2px);
}

.danger-btn {
  background: #dc3545;
  color: white;
}

.danger-btn:hover {
  background: #c82333;
  transform: translateY(-2px);
}

.whatsapp-btn {
  background: linear-gradient(135deg, #25D366, #128C7E);
  color: white;
}

.whatsapp-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(37, 211, 102, 0.3);
}

.action-buttons {
  margin-top: 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* Status & Progress */
.status-message {
  padding: 12px 15px;
  border-radius: 8px;
  margin-top: 15px;
  font-weight: 500;
}

.status-message.success {
  background: #d4edda;
  color: #155724;
  border: 1px solid #c3e6cb;
}

.status-message.error {
  background: #f8d7da;
  color: #721c24;
  border: 1px solid #f5c6cb;
}

.status-message.info {
  background: #cce7ff;
  color: #004085;
  border: 1px solid #b3d7ff;
}

.status-message.warning {
  background: #fff3cd;
  color: #856404;
  border: 1px solid #ffeaa7;
}

/* Stats Grid */
.stats-grid, .whatsapp-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 15px;
  margin: 20px 0;
}

.stat-card {
  background: #f8f9fa;
  padding: 20px;
  border-radius: 10px;
  text-align: center;
  border-left: 4px solid #6c757d;
}

.stat-card.valid {
  border-left-color: #28a745;
}

.stat-card.error {
  border-left-color: #dc3545;
}

.stat-number {
  font-size: 2em;
  font-weight: 700;
  color: #2c3e50;
}

.stat-label {
  font-size: 12px;
  color: #6c757d;
  font-weight: 600;
  text-transform: uppercase;
  margin-top: 5px;
}

/* Progress Bar */
.progress-section {
  background: #f8f9fa;
  padding: 20px;
  border-radius: 10px;
  margin: 20px 0;
}

.progress-header {
  display: flex;
  justify-content: space-between;
  margin-bottom: 10px;
  font-weight: 600;
}

.progress-bar {
  height: 10px;
  background: #e9ecef;
  border-radius: 5px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, #007bff, #0056b3);
  border-radius: 5px;
  transition: width 0.3s ease;
  width: 0%;
}

.progress-details {
  margin-top: 10px;
  font-size: 12px;
  color: #6c757d;
}

/* WhatsApp Status */
.whatsapp-status-panel {
  margin-bottom: 20px;
}

.status-box {
  background: #f8f9fa;
  padding: 20px;
  border-radius: 10px;
  border-left: 4px solid #007bff;
}

/* Tables */
.table-container {
  overflow-x: auto;
  margin-top: 15px;
  border: 1px solid #dee2e6;
  border-radius: 10px;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

th {
  background: #f8f9fa;
  padding: 15px 12px;
  text-align: left;
  font-weight: 600;
  color: #495057;
  border-bottom: 2px solid #dee2e6;
}

td {
  padding: 12px;
  border-bottom: 1px solid #dee2e6;
}

tr:hover {
  background: #f8f9fa;
}

.table-info {
  display: flex;
  justify-content: space-between;
  padding: 15px;
  background: #f8f9fa;
  border-top: 1px solid #dee2e6;
  font-size: 12px;
  color: #6c757d;
}

/* Performance Info */
.performance-info {
  background: #e7f3ff;
  padding: 15px;
  border-radius: 8px;
  margin: 15px 0;
  border-left: 4px solid #007bff;
}

.performance-info h4 {
  margin-bottom: 10px;
  color: #004085;
}

/* Badges */
.badge {
  display: inline-block;
  padding: 4px 8px;
  font-size: 11px;
  font-weight: 600;
  border-radius: 4px;
  text-transform: uppercase;
}

.badge.success {
  background: #d4edda;
  color: #155724;
}

.badge.error {
  background: #f8d7da;
  color: #721c24;
}

.badge.warning {
  background: #fff3cd;
  color: #856404;
}

.badge.info {
  background: #cce7ff;
  color: #004085;
}

/* Responsive Design */
@media (max-width: 1024px) {
  .card-group {
    grid-template-columns: 1fr;
  }
  
  .stats-grid, .whatsapp-stats {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .container {
    margin: 10px;
    border-radius: 15px;
  }
  
  header {
    padding: 20px;
  }
  
  header h1 {
    font-size: 2em;
  }
  
  .tabs {
    flex-direction: column;
    padding: 0;
  }
  
  .tab-button {
    padding: 15px 20px;
    border-bottom: 1px solid #dee2e6;
    border-left: 3px solid transparent;
  }
  
  .tab-button.active {
    border-left-color: #007bff;
    border-bottom-color: #dee2e6;
  }
  
  .tab-content {
    padding: 20px;
  }
  
  .form-grid {
    grid-template-columns: 1fr;
  }
  
  .action-buttons {
    flex-direction: column;
  }
  
  .primary-btn, .secondary-btn, .danger-btn, .whatsapp-btn {
    width: 100%;
    justify-content: center;
    margin-right: 0;
  }
}

/* Loading Animation */
@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.loading {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 3px solid #f3f3f3;
  border-top: 3px solid #007bff;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

/* Utility Classes */
.text-center { text-align: center; }
.text-right { text-align: right; }
.mt-20 { margin-top: 20px; }
.mb-20 { margin-bottom: 20px; }
.hidden { display: none; }