*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --primary-color: #0d6efd;
  --primary-hover: #0b5ed7;
  --success-color: #198754;
  --danger-color: #dc3545;
  --warning-color: #fd7e14;
  --info-color: #0dcaf0;
  --text-color: #212529;
  --secondary-text: #6c757d;
  --border-color: #dee2e6;
  --background-color: #f5f7fb;
  --card-background: #ffffff;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 8px 20px rgba(0, 0, 0, 0.08);
  --radius-sm: 6px;
  --radius-md: 10px;
  --transition: 0.25s ease;
}

body {
  font-family: Inter, "Segoe UI", sans-serif;
  background: var(--background-color);
  color: var(--text-color);
  line-height: 1.6;
}

.dashboard-container {
  width: min(95%, 1200px);
  margin: 40px auto;
}

.page-header {
  text-align: center;
  margin-bottom: 32px;
}

.page-header h1 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.page-header p {
  color: var(--secondary-text);
  font-size: 1rem;
}

.tab-nav {
  display: flex;
  gap: 4px;
  margin-bottom: 28px;
  border-bottom: 2px solid var(--border-color);
  padding-bottom: 0;
}

.tab-btn {
  padding: 12px 28px;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--secondary-text);
  background: transparent;
  border: none;
  border-bottom: 3px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  margin-bottom: -2px;
}

.tab-btn:hover {
  color: var(--primary-color);
  background: rgba(13, 110, 253, 0.04);
}

.tab-btn.active {
  color: var(--primary-color);
  border-bottom-color: var(--primary-color);
}

.tab-content {
  display: none;
}

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

.card {
  background: var(--card-background);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  margin-bottom: 28px;
  overflow: hidden;
}

.card-header {
  padding: 18px 24px;
  border-bottom: 1px solid var(--border-color);
}

.card-header h2 {
  font-size: 1.2rem;
  font-weight: 600;
}

.card-body {
  padding: 24px;
}

.upload-area {
  display: flex;
  gap: 16px;
  align-items: center;
  flex-wrap: wrap;
}

.upload-area input[type="file"] {
  flex: 1;
  min-width: 200px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 12px;
  background: white;
  cursor: pointer;
  transition: var(--transition);
}

.upload-area input[type="file"]:hover {
  border-color: var(--primary-color);
}

.upload-area input[type="file"]:focus {
  outline: none;
  border-color: var(--primary-color);
}

.upload-hint {
  margin-top: 12px;
  color: var(--secondary-text);
  font-size: 0.9rem;
}

.primary-btn,
.secondary-btn {
  border: none;
  border-radius: var(--radius-sm);
  padding: 12px 24px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

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

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

.primary-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.secondary-btn {
  background: #e9ecef;
  color: var(--text-color);
}

.secondary-btn:hover {
  background: #dfe3e6;
}

.hidden {
  display: none !important;
}

.alert-section {
  padding: 16px 20px;
  border-radius: var(--radius-sm);
  margin-bottom: 28px;
  font-weight: 600;
  box-shadow: var(--shadow-sm);
}

.alert-error {
  background: rgba(220, 53, 69, 0.1);
  color: var(--danger-color);
  border: 1px solid rgba(220, 53, 69, 0.2);
}

.alert-success {
  background: rgba(25, 135, 84, 0.1);
  color: var(--success-color);
  border: 1px solid rgba(25, 135, 84, 0.2);
}

.loading-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 50px 20px;
}

.loader {
  width: 50px;
  height: 50px;
  border: 5px solid #e5e5e5;
  border-top: 5px solid var(--primary-color);
  border-radius: 50%;
  animation: loader-spin 0.9s linear infinite;
}

.loading-section p {
  margin-top: 20px;
  font-size: 1rem;
  color: var(--secondary-text);
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.summary-item {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 20px;
  text-align: center;
  transition: var(--transition);
}

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

.summary-label {
  display: block;
  font-size: 0.85rem;
  color: var(--secondary-text);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.summary-value {
  display: block;
  font-size: 2rem;
  font-weight: 700;
}

.summary-details {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.summary-detail-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 12px;
  background: #f8f9fa;
  border-radius: var(--radius-sm);
}

.detail-label {
  font-size: 0.9rem;
  color: var(--secondary-text);
  font-weight: 500;
}

.detail-value {
  font-size: 1rem;
  font-weight: 700;
}

.success-text {
  color: var(--success-color);
}

.warning-text {
  color: var(--warning-color);
}

.danger-text {
  color: var(--danger-color);
}

.table-wrapper {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 900px;
}

thead {
  background: #f8f9fa;
}

thead th {
  padding: 14px 16px;
  text-align: left;
  border-bottom: 2px solid var(--border-color);
  font-size: 0.95rem;
  white-space: nowrap;
}

tbody td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--border-color);
  font-size: 0.95rem;
  vertical-align: middle;
}

tbody tr {
  transition: var(--transition);
}

tbody tr:hover {
  background: #f8fbff;
}

.invalid-row {
  background: rgba(220, 53, 69, 0.06);
}

.invalid-row td {
  color: var(--danger-color);
}

.duplicate-row {
  background: rgba(253, 126, 20, 0.06);
}

.status-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
}

.status-success {
  background: rgba(25, 135, 84, 0.12);
  color: var(--success-color);
}

.status-warning {
  background: rgba(253, 126, 20, 0.12);
  color: var(--warning-color);
}

.status-danger {
  background: rgba(220, 53, 69, 0.12);
  color: var(--danger-color);
}

.action-section {
  display: flex;
  justify-content: flex-end;
  gap: 15px;
  margin-top: 30px;
}

.action-section button {
  min-width: 170px;
}

.pagination-section {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 16px;
  padding: 20px;
  border-top: 1px solid var(--border-color);
}

.pagination-btn {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 8px 18px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  background: white;
  color: var(--text-color);
  transition: var(--transition);
}

.pagination-btn:hover:not(:disabled) {
  background: var(--primary-color);
  color: white;
  border-color: var(--primary-color);
}

.pagination-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.page-info {
  font-size: 0.95rem;
  color: var(--secondary-text);
  font-weight: 600;
  min-width: 100px;
  text-align: center;
}

.notification {
  position: fixed;
  top: 30px;
  right: 30px;
  min-width: 300px;
  max-width: 420px;
  padding: 16px 20px;
  border-radius: var(--radius-md);
  color: white;
  font-weight: 600;
  box-shadow: var(--shadow-md);
  z-index: 3000;
  animation: notification-slide 0.25s ease;
}

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

.notification.error {
  background: var(--danger-color);
}

.notification.info {
  background: var(--info-color);
}

@keyframes loader-spin {
  from {
    transform: rotate(0deg);
  }

  to {
    transform: rotate(360deg);
  }
}

@keyframes notification-slide {
  from {
    opacity: 0;
    transform: translateX(40px);
  }

  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.filter-area {
  display: flex;
  gap: 16px;
  align-items: flex-end;
  flex-wrap: wrap;
}

.filter-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
  min-width: 220px;
}

.filter-group label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-color);
}

.filter-group input[type="date"] {
  padding: 12px 16px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  background: white;
  cursor: pointer;
  transition: var(--transition);
}

.filter-group input[type="date"]:hover {
  border-color: var(--primary-color);
}

.filter-group input[type="date"]:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(13, 110, 253, 0.1);
}

.filter-actions {
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
}

.nav-back-btn {
  text-decoration: none;
  padding: 12px 20px;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #e9ecef;
  color: var(--text-color);
  border: none;
}

.nav-back-btn:hover {
  background: #dfe3e6;
}

.breakdown-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 12px;
}

.breakdown-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 12px 16px;
  background: #f8f9fa;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
}

.breakdown-label {
  font-size: 0.8rem;
  color: var(--secondary-text);
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.breakdown-value {
  font-size: 1.3rem;
  font-weight: 700;
}

.breakdown-warning {
  margin-top: 16px;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  background: rgba(220, 53, 69, 0.08);
  border: 1px solid rgba(220, 53, 69, 0.2);
}

.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
  white-space: nowrap;
}

.badge-pending {
  background: rgba(108, 117, 125, 0.12);
  color: #6c757d;
}

.badge-processing {
  background: rgba(13, 110, 253, 0.12);
  color: var(--primary-color);
}

.badge-completed {
  background: rgba(25, 135, 84, 0.12);
  color: var(--success-color);
}

.badge-failed {
  background: rgba(220, 53, 69, 0.12);
  color: var(--danger-color);
}

.play-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  background: rgba(25, 135, 84, 0.12);
  color: var(--success-color);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.85rem;
  transition: var(--transition);
}

.play-btn:hover {
  background: rgba(25, 135, 84, 0.22);
}

@media (max-width: 900px) {
  .upload-area {
    flex-direction: column;
    align-items: stretch;
  }

  .filter-area {
    flex-direction: column;
    align-items: stretch;
  }

  .filter-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .filter-actions button,
  .filter-actions .nav-back-btn {
    width: 100%;
    justify-content: center;
  }

  .action-section {
    flex-direction: column;
  }

  .action-section button {
    width: 100%;
  }

  .tab-nav {
    flex-direction: column;
  }

  .tab-btn {
    border-bottom: none;
    border-left: 3px solid transparent;
    text-align: left;
  }

  .tab-btn.active {
    border-bottom-color: transparent;
    border-left-color: var(--primary-color);
  }
}

@media (max-width: 600px) {
  .dashboard-container {
    width: 95%;
    margin: 20px auto;
  }

  .page-header h1 {
    font-size: 1.6rem;
  }

  .summary-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .card-body {
    padding: 18px;
  }

  .notification {
    left: 20px;
    right: 20px;
    min-width: auto;
    max-width: none;
  }
}

@media (max-width: 480px) {
  .summary-grid {
    grid-template-columns: 1fr;
  }

  .page-header h1 {
    font-size: 1.5rem;
  }
}