:root {
  --bg: #f4f5f7;
  --card: #ffffff;
  --text: #222;
  --primary: #0057d9;
}

body.dark {
  --bg: #0f172a;
  --card: #1e293b;
  --text: #e5e7eb;
}

body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
}

header {
  background: var(--primary);
  color: white;
  padding: 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.header-actions button {
  margin-left: 8px;
  padding: 8px 12px;
  border: none;
  cursor: pointer;
}

.filters {
  display: flex;
  gap: 10px;
  padding: 15px;
}

.filters input,
.filters select {
  padding: 8px;
}

table {
  width: 100%;
  background: var(--card);
  border-collapse: collapse;
}

th,
td {
  padding: 10px;
  border-bottom: 1px solid #ccc;
}

button {
  cursor: pointer;
  border-radius: 25px;
}

.hidden {
  display: none;
}

.kanban {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  padding: 15px;
}

.kanban-column {
  background: var(--card);
  padding: 10px;
  border-radius: 6px;
}

.kanban-card {
  background: var(--bg);
  padding: 10px;
  margin-bottom: 8px;
  border-radius: 6px;
}

.modal {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  justify-content: center;
  align-items: center;
}

.modal-content {
  background: var(--card);
  padding: 20px;
  width: 320px;
  border-radius: 8px;
}

.modal-content form {
  display: flex;
  flex-direction: column;
  gap: 8px;
}