:root {
  --accent: #429bb5;
  --bg-light: #f9f9f9;
  --bg-dark: #121212;
  --card-light: #ffffff;
  --card-dark: #1f1f1f;
  --text-light: #222222;
  --text-dark: #eeeeee;
}

body {
  margin: 0;
  font-family: 'Inter', 'Segoe UI', sans-serif;
  background-color: var(--bg-light);
  color: var(--text-light);
  transition: background-color 0.3s, color 0.3s;
}

body.dark {
  background-color: var(--bg-dark);
  color: var(--text-dark);
}

.container {
  max-width: 1200px;
  margin: auto;
  padding: 20px;
}

h1 {
  text-align: center;
  color: var(--accent);
}

h2 {
  margin-top: 0;
}

.card {
  background-color: var(--card-light);
  padding: 20px;
  margin-bottom: 20px;
  border-radius: 12px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
  transition: background-color 0.3s;
}

body.dark .card {
  background-color: var(--card-dark);
}

button {
  background-color: var(--accent);
  color: white;
  border: none;
  padding: 10px 16px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 1rem;
  transition: background-color 0.3s, opacity 0.2s;
}

button:hover {
  opacity: 0.85;
}

label {
  margin-right: 15px;
}

input[type="text"],
input[type="date"] {
  padding: 6px 10px;
  border-radius: 6px;
  border: 1px solid #ccc;
  margin-left: 5px;
}

body.dark input {
  background-color: #333;
  color: white;
  border: 1px solid #555;
}

table {
  width: 100%;
  border-collapse: collapse;
}

th, td {
  padding: 10px;
  text-align: left;
}

th {
  background-color: var(--accent);
  color: white;
}

tr:nth-child(even) {
  background-color: rgba(0, 0, 0, 0.04);
}

body.dark tr:nth-child(even) {
  background-color: rgba(255, 255, 255, 0.04);
}

tr:hover {
  background-color: rgba(0, 0, 0, 0.08);
}

body.dark tr:hover {
  background-color: rgba(255, 255, 255, 0.08);
}

.buttons {
  margin: 10px 0;
}

.autocomplete-suggestions {
  border: 1px solid #ccc;
  background: white;
  max-height: 150px;
  overflow-y: auto;
  position: absolute;
  z-index: 1000;
  border-radius: 4px;
}

body.dark .autocomplete-suggestions {
  background: #333;
  color: white;
  border: 1px solid #555;
}

.autocomplete-suggestions div {
  padding: 5px 10px;
  cursor: pointer;
}

.autocomplete-suggestions div:hover {
  background: rgba(0,0,0,0.1);
}

body.dark .autocomplete-suggestions div:hover {
  background: rgba(255,255,255,0.1);
}

.charts {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: center;
}

.charts canvas {
  max-width: 500px;
  width: 100%;
  height: auto;
}


@media (max-width: 768px) {
  h1 { font-size: 1.6rem; }
  h2 { font-size: 1.3rem; }

  button {
    display: block;
    width: 100%;
    margin-bottom: 10px;
  }

  label {
    display: block;
    margin-bottom: 10px;
  }
}