:root {
    --primary-color: #3a6ea5;
    --primary-dark: #2b5c8a;
    --secondary-color: #5db2ff;
    --text-color: #222;
    --error-color: #ff2600;
    --border-color: #b5c7d3;
    --bg-color: #f8fafc;
    --shadow-light: rgba(58,110,165,0.08);
    --shadow-dark: rgba(58,110,165,0.13);
    --max-width: 520px;
    --mobile-max-width: 98vw;
    --padding-default: 1rem;
    --border-radius: 12px;
    --transition-default: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

/* 组件容器布局 */
.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--padding-default);
}

.editor-toolbar, 
.editor-actions {
    display: flex;
    align-items: center;
    width: 100%;
    margin: var(--padding-default) 0;
    gap: 10px;
}

.editor-toolbar {
    justify-content: center;
    flex-wrap: wrap;
}

.editor-actions {
    flex-direction: column;
}

/* 词条列表样式 */
.term-list {
    background: #fff;
    border-radius: var(--border-radius);
    padding: 1.25rem;
    box-shadow: 0 2px 8px var(--shadow-light);
    margin: 1rem 0;
}

.term-item {
    display: block;
    padding: 0.5rem;
    margin: 0.25rem 0;
    cursor: pointer;
    transition: background-color 0.2s;
}

.term-item:hover {
    background-color: var(--bg-color);
}

.term-checkbox {
    margin-right: 0.75rem;
}

/* 按钮组 */
.button-group {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin: 1rem 0;
}

.button-group .btn {
    max-width: 200px;
}

/* 表单布局 */
.prompt-form,
.input-form {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    width: 100%;
    max-width: var(--max-width);
    margin: 0.75rem auto;
    padding: 1rem;
    background: #fff;
    border-radius: var(--border-radius);
    box-shadow: 0 2px 8px var(--shadow-light);
}

/* 表单组件 */
.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
    position: relative;
}

.form-group label {
    font-size: 0.95em;
    font-weight: 500;
    color: var(--text-color);
}

.form-group input {
    height: 2.5rem;
    padding: 0 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 0.95em;
    transition: all 0.2s ease;
}

.form-group input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px var(--shadow-light);
}

.form-group input.error {
    border-color: var(--error-color);
    background-color: rgba(255, 38, 0, 0.05);
}

/* 提示词输出页面特定样式 */
.prompt-output {
    padding: 0.5rem;
    max-width: var(--max-width);
    margin: 0 auto;
}

.prompt-form {
    padding: 0.75rem;
    margin-top: 0.5rem;
}

/* 搜索区块 */
.search-bar {
    display: flex;
    gap: 0.5rem;
    margin: 0.5rem auto;
    width: 100%;
    max-width: var(--max-width);
}

.search-input {
    width: 100%;
    padding: 0.5rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: var(--font-base);
    transition: var(--transition-default);
    box-sizing: border-box;
}

.search-input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 2px 8px var(--shadow-light);
    outline: none;
}

/* 词条列表区块 */
.term-list {
    width: 100%;
    max-width: var(--max-width);
    max-height: 300px;
    overflow-y: auto;
    padding: 0.5rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    background: #fff;
    margin: 0.5rem auto;
    box-shadow: 0 1px 4px var(--shadow-light);
    box-sizing: border-box;
}

.term-item {
    display: flex;
    align-items: center;
    padding: 0.25rem 0.5rem;
    margin: 0.125rem 0;
    border-radius: calc(var(--border-radius) / 2);
    transition: var(--transition-default);
}

.term-item:hover {
    background-color: var(--bg-color);
}

.term-checkbox {
    margin-right: 0.75rem;
    cursor: pointer;
}

.term-text {
    margin-right: 0.5rem;
}

.term-note {
    color: var(--text-muted);
    font-size: 0.9em;
}

/* 输出区域 */
.output-area {
    width: 100%;
    max-width: var(--max-width);
    min-height: 80px;
    padding: 0.5rem;
    margin: 0.5rem auto;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    resize: vertical;
    font-family: inherit;
    transition: var(--transition-default);
    background: #fff;
    box-sizing: border-box;
    display: block;
    font-size: 0.95em;
    line-height: 1.4;
}

.output-area:focus {
    border-color: var(--primary-color);
    box-shadow: 0 1px 4px var(--shadow-light);
    outline: none;
}

.output-area.copy-success {
    border-color: var(--success-color);
    background-color: rgba(40, 167, 69, 0.1);
}

/* 选中计数器 */
.selected-count {
    width: 100%;
    max-width: var(--max-width);
    color: var(--text-muted);
    font-size: 0.9em;
    text-align: right;
    margin: 0.5rem auto;
    padding: 0 0.5rem;
    box-sizing: border-box;
}

.no-data {
    text-align: center;
    color: var(--text-muted);
    padding: 2rem;
    font-style: italic;
}

.hidden {
    display: none !important;
}

/* 加载动画 */
.loading {
    position: relative;
    pointer-events: none;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 1.5em;
    height: 1.5em;
    margin: -0.75em 0 0 -0.75em;
    border: 3px solid var(--border-color);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: loading 0.8s infinite linear;
}

@keyframes loading {
    to {
        transform: rotate(360deg);
    }
}

/* 通知样式 */
.notification {
    position: fixed;
    bottom: 20px;
    right: 20px;
    padding: 1rem 1.5rem;
    border-radius: var(--border-radius);
    background: #fff;
    box-shadow: 0 4px 16px var(--shadow-light);
    color: var(--text-color);
    font-size: 0.9em;
    z-index: 1000;
    transition: var(--transition-default);
    transform: translateY(0);
    opacity: 1;
}

.notification.info { background-color: var(--info-color); color: #fff; }
.notification.success { background-color: var(--success-color); color: #fff; }
.notification.warning { background-color: var(--warning-color); color: #333; }
.notification.error { background-color: var(--error-color); color: #fff; }

.notification.fade-out {
    transform: translateY(30px);
    opacity: 0;
}

.form-group label {
    font-weight: 500;
    color: var(--text-color);
}

.form-help {
    font-size: 0.85em;
    min-height: 1.2em;
    color: var(--text-muted);
    margin-top: 0.125rem;
    transition: all 0.2s ease;
}

.form-help.error {
    color: var(--error-color);
    font-weight: 500;
}

.form-actions {
    margin-top: 0.75rem;
    text-align: center;
    padding: 0 0.5rem;
}

.form-actions .btn {
    width: 100%;
    max-width: 200px;
    margin: 0 auto;
}

/* 状态消息 */
.status-message,
#msg {
    text-align: center;
    margin: 0.5rem 0;
    min-height: 1.5em;
    font-size: 0.95em;
    font-weight: 500;
    padding: 0.375rem;
    border-radius: var(--border-radius);
    transition: all 0.2s ease;
}

.status-message.success,
#msg.success {
    color: #2e7d32;
    background-color: rgba(46, 125, 50, 0.1);
}

.status-message.error,
#msg.error {
    color: var(--error-color);
    background-color: rgba(255, 38, 0, 0.1);
}

/* 输入控件增强 */
input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px var(--shadow-light);
}

input.error {
    border-color: var(--error-color);
}

/* 动画效果 */
.shake-message {
    animation: shake 0.5s ease-in-out;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    10%, 30%, 50%, 70%, 90% { transform: translateX(-5px); }
    20%, 40%, 60%, 80% { transform: translateX(5px); }
}

@keyframes shake {
  0%, 100% { transform: translate3d(0, 0, 0); }
  10%, 30%, 50%, 70%, 90% { transform: translate3d(-5px, 0, 0); }
  20%, 40%, 60%, 80% { transform: translate3d(5px, 0, 0); }
}

.shake-message {
  animation: shake 0.5s ease-in-out;
}

/* 通用 label 样式 */
label {
    display: block;
    font-size: 1.08em;
    margin-bottom: 6px;
    text-align: left;
    width: 100%;
    color: var(--text-color);
}

/* 分类选择块样式 */
.category-select-block {
    width: 100%;
    max-width: var(--max-width);
    margin: 0.5rem auto;
    padding: 0.25rem;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0.25rem;
    box-sizing: border-box;
}

/* 按钮组容器 */
.button-group {
    width: 100%;
    max-width: var(--max-width);
    margin: 0.75rem auto 0.5rem;
    padding: 0;
    display: flex;
    gap: 0.5rem;
    justify-content: center;
    box-sizing: border-box;
}

/* 下拉框和输入框统一样式 */
select,
input[type="text"],
textarea {
    width: 100%;
    box-sizing: border-box;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 1em;
    transition: var(--transition-default);
    background: #fff;
    color: var(--text-color);
    margin: 0;
}
select:focus,
input[type="text"]:focus,
textarea:focus {
    border-color: var(--primary-color);
    outline: none;
}

/* 基础样式 */
html {
    box-sizing: border-box;
}

*, *:before, *:after {
    box-sizing: inherit;
}

body {
    background: linear-gradient(120deg, #f0f4f8 0%, #e0e7ef 100%);
    font-family: system-ui, -apple-system, 'Segoe UI', 'Microsoft YaHei', sans-serif;
    color: var(--text-color);
    margin: 0;
    min-height: 100vh;
    line-height: 1.5;
}

/* 标题样式 */
h1, h2 {
    text-align: center;
    color: var(--primary-color);
    margin: 1rem 0 0.5rem;
    letter-spacing: 0.125em;
}

/* 主菜单 */
.main-menu {
    list-style: none;
    padding: 0;
    width: 100%;
    max-width: 340px;
    margin: 1.5rem auto 0;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.main-menu li {
    text-align: center;
    margin: 0;
    padding: 0;
}

.main-menu .main-btn {
    transform: translateY(0);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    position: relative;
}

.main-menu .main-btn:hover {
    transform: translateY(-2px);
}

/* 组件样式 */
#categorySelect,
#termList {
    display: block;
    margin: 0 auto 0.5rem;
    text-align: left;
}

/* 消息提示 */
#msg {
    display: block;
    text-align: center;
    margin: 1.375rem auto 0;
    font-size: 1.08em;
    color: var(--error-color);
    min-height: 1.5em;
    max-width: 320px;
}
/* 按钮样式 */
.btn,
button[type="submit"],
button#copyBtn,
a.main-btn {
    display: block;
    width: 100%;
    max-width: var(--max-width);
    margin: 0.5rem auto;
    background: linear-gradient(90deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: #fff;
    border: none;
    border-radius: var(--border-radius);
    padding: 0.875rem 0;
    font-size: 1.15em;
    cursor: pointer;
    box-shadow: 0 4px 12px var(--shadow-light);
    transition: var(--transition-default);
    text-align: center;
    text-decoration: none;
}

.btn:hover,
button[type="submit"]:hover,
button#copyBtn:hover,
a.main-btn:hover {
    background: linear-gradient(90deg, var(--primary-dark) 0%, var(--primary-color) 100%);
    box-shadow: 0 6px 20px var(--shadow-dark);
    transform: translateY(-2px);
}

/* 返回链接 */
.return-link {
    display: block;
    width: 100%;
    max-width: 320px;
    margin: 1.125rem auto 0;
    text-align: center;
    color: var(--primary-color);
    text-decoration: none;
    font-size: 1.05em;
    transition: color 0.2s;
}

.return-link:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}
/* 布局容器 */
.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: var(--padding-default);
    text-align: center;
    box-sizing: border-box;
}

/* 通用表单组件 */
form,
#termList,
#outputArea,
.category-select-block,
.search-filter-block {
    width: 100%;
    max-width: var(--max-width);
    margin: 1rem auto;
    text-align: center;
    box-sizing: border-box;
}

/* 表单容器 */
form {
    background: #fff;
    max-width: 400px;
    margin: 2.5rem auto 0;
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: 0 8px 32px var(--shadow-light), 0 2px 8px rgba(0,0,0,0.06);
    transition: var(--transition-default);
}

form:hover {
    box-shadow: 0 12px 40px var(--shadow-dark), 0 3px 10px rgba(0,0,0,0.08);
}

/* 词条列表 */
#termList {
    max-width: var(--max-width);
    margin: 0 auto 1.125rem;
    background: #fff;
    border-radius: var(--border-radius);
    box-shadow: 0 2px 12px var(--shadow-light);
    padding: 1.125rem 1.5rem 0.5rem;
}

/* 输出区域 */
#outputArea {
    display: block;
    margin: 1.5rem auto 0;
    width: 90%;
    max-width: var(--max-width);
    min-height: 90px;
    border-radius: calc(var(--border-radius) / 1.5);
    border: 1.5px solid var(--border-color);
    font-size: 1.08em;
    padding: 0.75rem;
    background: var(--bg-color);
    color: var(--text-color);
    box-sizing: border-box;
    resize: vertical;
}

/* 词条编辑器特定样式 */
.editor-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0.5rem;
}

/* 表格样式 */
.editor-table-container {
    width: 100%;
    overflow-x: auto;
    margin: 0.75rem 0;
    background: #fff;
    border-radius: var(--border-radius);
    box-shadow: 0 2px 8px var(--shadow-light);
}

table {
    border-collapse: collapse;
    width: 100%;
    min-width: 800px;
    background: #fff;
}

th, td {
    border: 1px solid var(--border-color);
    padding: 0.5rem 0.75rem;
    text-align: left;
    font-size: 0.95em;
}

th {
    background: var(--bg-color);
    font-weight: 500;
    white-space: nowrap;
    position: sticky;
    top: 0;
    z-index: 1;
}

td {
    vertical-align: middle;
}

td input {
    width: 100%;
    padding: 0.375rem;
    border: 1px solid transparent;
    border-radius: calc(var(--border-radius) / 2);
    font-size: 0.95em;
    background: transparent;
}

td input:hover {
    border-color: var(--border-color);
    background: #fff;
}

td input:focus {
    border-color: var(--primary-color);
    background: #fff;
    box-shadow: 0 0 0 2px var(--shadow-light);
}

tr:hover {
    background-color: rgba(58, 110, 165, 0.05);
}

/* 编辑器工具栏 */
.editor-toolbar {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 0.5rem;
    margin: 0.5rem 0;
    padding: 0 0.5rem;
}
/* 响应式调整 */
@media (max-width: 37.5em) {
    :root {
        --max-width: var(--mobile-max-width);
    }

    body {
        font-size: 16px;
    }

    h1, h2 {
        font-size: 1.2em;
        margin-top: 1.125em;
    }

    .main-menu {
        margin-top: 1.5rem;
    }

    .main-btn,
    .btn,
    button[type="submit"],
    button#copyBtn {
        font-size: 1em;
        padding: 0.75rem 0;
    }

    form,
    #termList,
    textarea,
    #outputArea {
        padding: 0.75rem;
    }

    .category-select-block,
    .search-filter-block {
        padding: 0 0.5rem;
    }
}