AI 生成: 一个简洁的待办事项 Web 应用，支持添加、完成、删除任务，并使用 localStorage 在浏览器本地保存数据。

2026-09-28 20:05:39 +08:00
commit 3cf7cbe814
4 changed files with 434 additions and 0 deletions
@@ -0,0 +1,176 @@
+:root {
+  --bg: #f5f7fb;
+  --card: #ffffff;
+  --text: #1f2937;
+  --muted: #6b7280;
+  --primary: #2563eb;
+  --primary-hover: #1d4ed8;
+  --danger: #ef4444;
+  --border: #e5e7eb;
+  --done: #9ca3af;
+  --shadow: 0 10px 25px rgba(15, 23, 42, 0.08);
+}
+
+* {
+  box-sizing: border-box;
+}
+
+body {
+  margin: 0;
+  min-height: 100vh;
+  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
+  background: linear-gradient(180deg, #eef2ff 0%, var(--bg) 100%);
+  color: var(--text);
+  display: flex;
+  justify-content: center;
+  padding: 40px 16px;
+}
+
+.app {
+  width: 100%;
+  max-width: 560px;
+  background: var(--card);
+  border-radius: 16px;
+  box-shadow: var(--shadow);
+  padding: 28px;
+}
+
+.app-header h1 {
+  margin: 0;
+  font-size: 28px;
+  letter-spacing: -0.5px;
+}
+
+.subtitle {
+  margin: 6px 0 22px;
+  color: var(--muted);
+  font-size: 14px;
+}
+
+.todo-form {
+  display: flex;
+  gap: 10px;
+}
+
+.todo-input {
+  flex: 1;
+  padding: 12px 14px;
+  border: 1px solid var(--border);
+  border-radius: 10px;
+  font-size: 15px;
+  outline: none;
+  transition: border-color 0.2s, box-shadow 0.2s;
+}
+
+.todo-input:focus {
+  border-color: var(--primary);
+  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
+}
+
+.add-btn {
+  padding: 12px 18px;
+  border: none;
+  border-radius: 10px;
+  background: var(--primary);
+  color: #fff;
+  font-size: 15px;
+  font-weight: 600;
+  cursor: pointer;
+  transition: background 0.2s;
+}
+
+.add-btn:hover {
+  background: var(--primary-hover);
+}
+
+.todo-stats {
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+  margin: 18px 0 10px;
+  color: var(--muted);
+  font-size: 13px;
+}
+
+.clear-btn {
+  background: transparent;
+  border: none;
+  color: var(--muted);
+  cursor: pointer;
+  font-size: 13px;
+}
+
+.clear-btn:hover {
+  color: var(--danger);
+}
+
+.todo-list {
+  list-style: none;
+  margin: 0;
+  padding: 0;
+  display: flex;
+  flex-direction: column;
+  gap: 8px;
+}
+
+.todo-item {
+  display: flex;
+  align-items: center;
+  gap: 12px;
+  padding: 12px 14px;
+  border: 1px solid var(--border);
+  border-radius: 10px;
+  background: #fff;
+  transition: background 0.2s, transform 0.1s;
+}
+
+.todo-item:hover {
+  background: #fafafa;
+}
+
+.todo-item input[type="checkbox"] {
+  width: 18px;
+  height: 18px;
+  accent-color: var(--primary);
+  cursor: pointer;
+  flex-shrink: 0;
+}
+
+.todo-text {
+  flex: 1;
+  font-size: 15px;
+  word-break: break-word;
+}
+
+.todo-item.completed .todo-text {
+  text-decoration: line-through;
+  color: var(--done);
+}
+
+.delete-btn {
+  border: none;
+  background: transparent;
+  color: var(--muted);
+  font-size: 18px;
+  line-height: 1;
+  cursor: pointer;
+  padding: 4px 8px;
+  border-radius: 6px;
+  transition: background 0.2s, color 0.2s;
+}
+
+.delete-btn:hover {
+  background: #fee2e2;
+  color: var(--danger);
+}
+
+.empty-state {
+  margin: 24px 0 0;
+  text-align: center;
+  color: var(--muted);
+  font-size: 14px;
+}
+
+.empty-state.hidden {
+  display: none;
+}