/* ========== BASE STYLES ========== */
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen,
    Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
  margin: 0;
  padding: 0;
  background: #f5f7fa;
  -webkit-font-smoothing: antialiased;
  -webkit-text-size-adjust: 100%;
  text-rendering: optimizeLegibility;
}

.container {
  max-width: 800px;
  margin: 2rem auto;
  padding: 2rem;
  background: white;
  border-radius: 10px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.1);
  box-sizing: border-box;
}

h2, h3 {
  text-align: center;
  margin-bottom: 1rem;
  color: #333;
}

/* ========== CHART AREA ========== */
.chart-wrapper {
  margin: 2rem 0;
}

.chart-wrapper canvas {
  max-width: 100%;
}

/* ========== FORM AREA ========== */
form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 2rem;
}

form label {
  font-weight: 600;
  color: #444;
}

form input, form select {
  padding: 0.75rem;
  font-size: 1rem;
  border: 1px solid #ccc;
  border-radius: 8px;
  -webkit-appearance: none;
}

form input::placeholder {
  color: #999;
}

form button {
  background-color: #007bff;
  color: white;
  padding: 0.75rem;
  font-size: 1rem;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

form button:hover {
  background-color: #0056b3;
}

/* ========== FILTERS ========== */
.filters {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin: 1.5rem 0;
}

.filters input, .filters button {
  padding: 0.6rem 1rem;
  font-size: 1rem;
  border-radius: 6px;
  border: 1px solid #ccc;
}

.filters button {
  background-color: #007bff;
  color: white;
  border: none;
  cursor: pointer;
}

.filters button:hover {
  background-color: #0056b3;
}

button.danger {
  background-color: #dc3545;
}
button.danger:hover {
  background-color: #b62a36;
}

/* ========== TABLE ========== */
.table-wrapper {
  margin-top: 2rem;
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}

th, td {
  padding: 0.75rem;
  border: 1px solid #ddd;
  text-align: left;
}

thead {
  background-color: #f1f1f1;
  font-weight: bold;
}

/* ========== TOTAL AND EXPORT SECTION ========== */
.total-export {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  margin: 2rem 0 1rem;
  flex-wrap: wrap;
}

.total-export h3 {
  font-size: 1.2rem;
  color: #333;
}

#exportBtn,
#pdfExportBtn {
  padding: 0.6rem 1.2rem;
  font-size: 1rem;
  background-color: #28a745;
  color: white;
  border: none;
  border-radius: 8px;
  cursor: pointer;
}

#exportBtn:hover,
#pdfExportBtn:hover {
  background-color: #1e7e34;
}

/* ========== RESPONSIVE ========== */
@media screen and (max-width: 600px) {
  .filters, .total-export {
    flex-direction: column;
    align-items: flex-start;
  }

  form {
    gap: 0.5rem;
  }

  table {
    font-size: 0.9rem;
  }

  .chart-wrapper canvas {
    max-width: 100% !important;
  }
}