@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&display=swap');

:root {
  --bg: #f8f9fa;
  --surface: #ffffff;
  --border: #e2e8f0;
  --text: #1e293b;
  --text-muted: #64748b;
  --primary: #0f766e;
  --primary-hover: #0d5f59;
  --success: #16a34a;
  --warning: #ca8a04;
  --danger: #dc2626;
  --shadow: 0 1px 3px rgba(0,0,0,0.05);
  --radius: 8px;
}

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

body {
  font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  min-height: 100vh;
}

.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 24px;
}

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
}

h1 {
  font-size: 24px;
  font-weight: 700;
  color: var(--text);
}

.header-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.last-updated {
  font-size: 13px;
  color: var(--text-muted);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 16px;
  font-size: 14px;
  font-weight: 500;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all 0.15s ease;
}

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

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

.btn-secondary {
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
}

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

select {
  padding: 10px 32px 10px 12px;
  font-size: 14px;
  font-family: inherit;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E") no-repeat right 10px center;
  appearance: none;
  cursor: pointer;
}

input[type="search"] {
  padding: 10px 12px;
  font-size: 14px;
  font-family: inherit;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  width: 240px;
}

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

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
}

.stat-card.combined {
  border-top: 3px solid var(--text);
}

.stat-card.cinere {
  border-top: 3px solid var(--primary);
}

.stat-card.buahbatu {
  border-top: 3px solid #7c3aed;
}

.stat-label {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.stat-value {
  font-size: 28px;
  font-weight: 700;
  color: var(--text);
}

.stat-breakdown {
  display: flex;
  gap: 12px;
  margin-top: 8px;
}

.stat-badge {
  font-size: 12px;
  padding: 2px 8px;
  border-radius: 4px;
  background: var(--bg);
  color: var(--text-muted);
}

.stat-badge.minyak {
  background: #fef3c7;
  color: #92400e;
}

.stat-badge.voucher {
  background: #dbeafe;
  color: #1e40af;
}

.table-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.table-title {
  font-size: 16px;
  font-weight: 600;
}

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

.table-container {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

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

th {
  text-align: left;
  padding: 12px 16px;
  font-weight: 600;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
  background: var(--bg);
  border-bottom: 1px solid var(--border);
}

td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
}

tr:last-child td {
  border-bottom: none;
}

tr:hover {
  background: var(--bg);
}

.reward-badge {
  display: inline-block;
  padding: 4px 10px;
  font-size: 12px;
  font-weight: 600;
  border-radius: 4px;
}

.reward-badge.minyak {
  background: #fef3c7;
  color: #92400e;
}

.reward-badge.voucher {
  background: #dbeafe;
  color: #1e40af;
}

.flagged-badge {
  display: inline-block;
  padding: 2px 8px;
  font-size: 11px;
  font-weight: 600;
  border-radius: 4px;
  background: #fef2f2;
  color: #dc2626;
}

.empty-state {
  text-align: center;
  padding: 48px;
  color: var(--text-muted);
}

.loading {
  text-align: center;
  padding: 48px;
  color: var(--text-muted);
}

@media (max-width: 1024px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }
  
  .table-header {
    flex-direction: column;
    gap: 12px;
    align-items: flex-start;
  }
  
  .table-actions {
    width: 100%;
    flex-wrap: wrap;
  }
  
  input[type="search"] {
    width: 100%;
  }
  
  .table-container {
    overflow-x: auto;
  }
  
  table {
    min-width: 800px;
  }
}