:root {
  --blue: #2563eb;
  --blue-light: #eff6ff;
  --gray-900: #111827;
  --gray-500: #6b7280;
  --gray-200: #e5e7eb;
  --green: #16a34a;
  --red: #dc2626;
  --gray-100: #f3f4f6;
  --orange-bg: #fffbeb;
  --orange-text: #92400e;
  --red-bg: #fef2f2;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #f5f5f7;
  color: var(--gray-900);
}

.wrap {
  max-width: 640px;
  margin: 0 auto;
  padding: 32px 20px 80px;
}

h1 {
  font-size: 26px;
  margin: 0 0 24px;
}

.add-form {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
}

.add-form input[type="text"] {
  flex: 1;
  padding: 10px 12px;
  border: 1px solid var(--gray-200);
  border-radius: 8px;
  font-size: 15px;
}

.add-form select {
  padding: 10px 8px;
  border: 1px solid var(--gray-200);
  border-radius: 8px;
  font-size: 15px;
  background: #fff;
}

.btn-add {
  width: 44px;
  border: none;
  border-radius: 8px;
  background: var(--blue);
  color: #fff;
  font-size: 22px;
  line-height: 1;
  cursor: pointer;
}
.btn-add:hover { background: #1d4ed8; }

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 16px;
  font-size: 14px;
  color: var(--gray-500);
}

.filter-bar label {
  display: flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
}

.filter-bar input[type="checkbox"] {
  accent-color: var(--blue);
  cursor: pointer;
}

.empty-state {
  color: var(--gray-500);
  text-align: center;
  padding: 40px 0;
}

.todo-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.todo-item {
  background: #fff;
  border: 1px solid var(--gray-200);
  border-radius: 10px;
  padding: 12px 14px;
}

.todo-row {
  display: flex;
  align-items: center;
  gap: 12px;
}

.todo-item input[type="checkbox"] {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  accent-color: var(--green);
  cursor: pointer;
}

.todo-task {
  flex: 1;
  font-size: 15px;
  word-break: break-word;
}

.todo-item.done .todo-task {
  text-decoration: line-through;
  color: var(--gray-500);
}

.badge-owner {
  font-size: 12px;
  padding: 3px 9px;
  border-radius: 999px;
  background: var(--blue-light);
  color: var(--blue);
  white-space: nowrap;
  flex-shrink: 0;
}

.badge-priority {
  font-size: 12px;
  padding: 3px 9px;
  border-radius: 999px;
  white-space: nowrap;
  flex-shrink: 0;
  cursor: pointer;
  user-select: none;
}

.badge-priority.priority-non-urgent {
  background: var(--gray-100);
  color: var(--gray-500);
}

.badge-priority.priority-urgent {
  background: var(--orange-bg);
  color: var(--orange-text);
}

.badge-priority.priority-prioritaire {
  background: var(--red-bg);
  color: var(--red);
  font-weight: 600;
}

.btn-toggle {
  border: none;
  background: var(--gray-100);
  color: var(--gray-500);
  cursor: pointer;
  font-size: 16px;
  width: 24px;
  height: 24px;
  border-radius: 6px;
  line-height: 1;
  flex-shrink: 0;
}
.btn-toggle:hover { background: var(--gray-200); }

.todo-details {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--gray-200);
  flex-direction: column;
  gap: 10px;
}

.todo-details[hidden] { display: none; }
.todo-details:not([hidden]) { display: flex; }

.todo-details label {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 12px;
  color: var(--gray-500);
}

.todo-details input[type="text"],
.todo-details textarea {
  font-family: inherit;
  font-size: 14px;
  color: var(--gray-900);
  padding: 8px 10px;
  border: 1px solid var(--gray-200);
  border-radius: 8px;
  resize: vertical;
}

.btn-save-details {
  align-self: flex-start;
  border: none;
  border-radius: 8px;
  background: var(--blue);
  color: #fff;
  font-size: 14px;
  padding: 8px 16px;
  cursor: pointer;
}
.btn-save-details:hover { background: #1d4ed8; }

.btn-delete {
  border: none;
  background: none;
  cursor: pointer;
  font-size: 18px;
  padding: 4px;
  line-height: 1;
  flex-shrink: 0;
  opacity: 0.6;
}
.btn-delete:hover { opacity: 1; }