/* html{
    margin: 10;
    padding: 10;
}

* {
    box-sizing: border-box;
    margin: 0;
    font-family: Arial, sans-serif;
}

body {
    background: #f0f8ff;
    padding: 10px;
    min-height: 100vh;
}

#app {
    width: 95%;
    height: 100%;
    max-width: 600px;
    margin: 10px auto;
    text-align: center;
}

.panel {
    background-color: rgba(255, 255, 255, 0.3);
    border: 2px solid #bfdbfe;
    border-radius: 16px;
    padding: 64px 36px;
    box-shadow: 0 4px 12px #dbeafe;
    margin-bottom: 5px;
    background-image: url('./img/粉色乐土.png');
    background-size: cover;
    background-position: center;
    background-blend-mode: overlay;
}

.rule {
    border: 1px solid #bfdbfe;
    color: deeppink;
    padding: 14px;
    border-radius: 12px;
    background: rgba(240, 247, 255, 0.3);
    margin: 14px 0;
    line-height: 1.6;
    text-align: left;
}

.green {
    color: green;
    font-weight: bold;
    font-size: 16px
}

.yellow {
    color: #fa0;
    font-weight: bold;
    font-size: 16px
}

.red {
    color: red;
    font-weight: bold;
    font-size: 16px
}

.purple {
    color: #9900ff;
    font-weight: bold;
    font-size: 16px
}

.pink {
    color: deeppink;
    font-weight: bold;
    font-size: 16px
}

button {
    padding: 10px 10px;
    font-size: 16px;
    font-weight: 500;
    background-color: rgba(224, 242, 254, 0.3);
    color: deeppink;
    border: 1px solid rgba(147, 197, 253, 0.4);
    border-radius: 10px;
    cursor: pointer;
    margin: 5px;
    transition: all 0.2s ease;
}

button:hover {
    background-color: rgba(186, 230, 253, 0.6);
}

button.active,
button:focus {
    background-color: rgba(59, 130, 246, 0.5);
    color: white;
    border-color: rgba(37, 99, 235, 0.5);
}

button:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.item {
    margin: 8px 0;
    display: flex;
    align-items: center;
    gap: 5px;
}

.item label {
    color: deeppink;
    min-width: 50px;
    text-align: left;
    font-weight: bold;
    flex: 1 1 30%;
}

.item select {
    flex: 1 1 40%;
    padding: 10px;
    border: 1px solid rgba(147, 197, 253, 0.5);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.5);
    color: deeppink;
}

.item span{
    flex: 1 1 30%;
}

.item:last-child {
    justify-content: center;
}

input[type="text"] {
    padding: 10px;
    border: 1px solid rgba(147, 197, 253, 0.6);
    border-radius: 12px;
    width: 60%;
    text-align: center;
    background: rgba(255, 255, 255, 0.6);
}

input[type="file"],
input[type="checkbox"] {
    display: none;
}

.text {
    background: rgba(248, 250, 252, 0.4);
    border: 1px solid rgba(219, 234, 254, 0.4);
    color: deeppink;
    padding: 5px;
    border-radius: 12px;
    margin: 5px 0;
    line-height: 1.5;
}

.text-history {
    text-align: center;
}

.text:empty {
    display: none;
    padding: 0;
    margin: 0;
    border: none;
    background: transparent;
}

.text:not(:empty) {
    display: block;
}

[v-cloak] {
  display: none;
} */

/* === CSS 变量（设计令牌）=== */
:root {
    /* 颜色 */
    --pink: deeppink;
    --green: #16a34a;
    --yellow: #fa0;
    --red: #dc2626;
    --purple: #9900ff;
    --white-alpha-30: rgba(255, 255, 255, 0.3);
    --white-alpha-50: rgba(255, 255, 255, 0.5);
    --white-alpha-60: rgba(255, 255, 255, 0.6);
    --blue-100: #dbeafe;
    --blue-200: #bfdbfe;
    --blue-300-alpha: rgba(147, 197, 253, 0.4);
    --blue-400-alpha: rgba(147, 197, 253, 0.5);
    --blue-500-alpha: rgba(59, 130, 246, 0.5);
    --blue-600-alpha: rgba(147, 197, 253, 0.6);
    --blue-700-alpha: rgba(37, 99, 235, 0.5);
    --sky-100-alpha: rgba(224, 242, 254, 0.3);
    --sky-200-alpha: rgba(186, 230, 253, 0.6);
    --slate-50-alpha: rgba(248, 250, 252, 0.4);
    --slate-200-alpha: rgba(219, 234, 254, 0.4);
    --slate-300-alpha: rgba(240, 247, 255, 0.3);
    
    /* 间距 */
    --spacing-xs: 5px;
    --spacing-sm: 8px;
    --spacing-md: 10px;
    --spacing-lg: 14px;
    --spacing-xl: 16px;
    --spacing-2xl: 36px;
    --spacing-3xl: 64px;
    
    /* 圆角 */
    --radius-sm: 8px;
    --radius-md: 10px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    
    /* 字体 */
    --font-family: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', Arial, sans-serif;
    --font-size-base: 16px;
    --font-size-sm: 14px;
    
    /* 过渡 */
    --transition-fast: 0.2s ease;
    --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* 阴影 */
    --shadow-panel: 0 4px 12px var(--blue-100);
    --shadow-button-hover: 0 2px 8px rgba(255, 20, 147, 0.15);
}

/* === 基础重置 === */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    margin: var(--spacing-md);
    padding: var(--spacing-md);
    -webkit-text-size-adjust: 100%;
    scroll-behavior: smooth;
}

body {
    background: #f0f8ff;
    padding: var(--spacing-md);
    min-height: 100vh;
    font-family: var(--font-family);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    line-height: 1.5;
}

/* === 布局容器 === */
#app {
    width: 95%;
    max-width: 600px;
    margin: var(--spacing-md) auto;
    text-align: center;
}

/* === 面板通用样式 === */
.panel {
    background-color: var(--white-alpha-30);
    border: 2px solid var(--blue-200);
    border-radius: var(--radius-xl);
    padding: var(--spacing-3xl) var(--spacing-2xl);
    box-shadow: var(--shadow-panel);
    margin-bottom: var(--spacing-xs);
    background-image: url('./img/粉色乐土.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    position: relative;
    backdrop-filter: blur(2px);
    -webkit-backdrop-filter: blur(2px);
}

/* 为不支持 backdrop-filter 的浏览器提供降级 */
@supports not (backdrop-filter: blur(2px)) {
    .panel {
        background-color: rgba(255, 240, 245, 0.85);
    }
}

/* === 模式选择按钮：水平各占一半 === */
#panel-mode > div:first-of-type {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

#panel-mode > div:first-of-type > button {
    flex: 1;
    margin: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-lg) var(--spacing-md);
    font-size: var(--font-size-base);
    white-space: normal;
}

/* 小屏时按钮内部文字可适当缩小 */
@media (max-width: 480px) {
    #panel-mode > div:first-of-type > button {
        font-size: 14px;
        padding: 10px 8px;
        flex-direction: column;
    }
}

/* === 规则说明区域 === */
.rule {
    border: 1px solid var(--blue-200);
    color: var(--pink);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    background: var(--slate-300-alpha);
    margin: var(--spacing-lg) 0;
    line-height: 1.6;
    text-align: left;
    font-size: var(--font-size-sm);
}

/* === 颜色标记类 === */
.green  { color: var(--green);  font-weight: bold; font-size: var(--font-size-base); }
.yellow { color: var(--yellow); font-weight: bold; font-size: var(--font-size-base); }
.red    { color: var(--red);    font-weight: bold; font-size: var(--font-size-base); }
.purple { color: var(--purple); font-weight: bold; font-size: var(--font-size-base); }
.pink   { color: var(--pink);   font-weight: bold; font-size: var(--font-size-base); }

/* === 按钮系统 === */
button {
    padding: var(--spacing-md) var(--spacing-md);
    font-size: var(--font-size-base);
    font-weight: 500;
    font-family: inherit;
    background-color: var(--sky-100-alpha);
    color: var(--pink);
    border: 1px solid var(--blue-300-alpha);
    border-radius: var(--radius-md);
    cursor: pointer;
    margin: var(--spacing-xs);
    transition: 
        background-color var(--transition-fast),
        color var(--transition-fast),
        border-color var(--transition-fast),
        box-shadow var(--transition-fast),
        transform var(--transition-fast);
    user-select: none;
    -webkit-tap-highlight-color: transparent;
    white-space: nowrap;
}

button:hover {
    background-color: var(--sky-200-alpha);
    box-shadow: var(--shadow-button-hover);
    transform: translateY(-1px);
}

button:active {
    transform: translateY(0);
    transition: transform 0.05s ease;
}

button:focus-visible {
    outline: 2px solid var(--pink);
    outline-offset: 2px;
    background-color: var(--sky-200-alpha);
}

button.active,
button:focus {
    background-color: var(--blue-500-alpha);
    color: white;
    border-color: var(--blue-700-alpha);
}

button:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
    pointer-events: none;
}

/* === 表单项 === */
.item {
    margin: var(--spacing-sm) 0;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    flex-wrap: wrap;
}

.item label {
    color: var(--pink);
    min-width: 50px;
    text-align: left;
    font-weight: bold;
    flex: 1 1 30%;
}

.item select {
    flex: 1 1 40%;
    min-width: 120px;
    padding: var(--spacing-md);
    border: 1px solid var(--blue-400-alpha);
    border-radius: var(--radius-sm);
    background: var(--white-alpha-50);
    color: var(--pink);
    font-family: inherit;
    font-size: var(--font-size-sm);
    cursor: pointer;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='deeppink' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 10px center;
    padding-right: 30px;
}

.item select:focus-visible {
    outline: 2px solid var(--pink);
    outline-offset: 1px;
    border-color: var(--pink);
}

.item span {
    flex: 1 1 30%;
}

.item:last-child {
    justify-content: center;
}

/* === 文本输入框 === */
input[type="text"] {
    padding: var(--spacing-md);
    border: 1px solid var(--blue-600-alpha);
    border-radius: var(--radius-lg);
    width: 60%;
    max-width: 300px;
    text-align: center;
    background: var(--white-alpha-60);
    font-family: inherit;
    font-size: var(--font-size-base);
    color: var(--pink);
    transition: 
        border-color var(--transition-fast),
        box-shadow var(--transition-fast),
        background-color var(--transition-fast);
}

input[type="text"]:focus {
    outline: none;
    border-color: var(--pink);
    box-shadow: 0 0 0 3px rgba(255, 20, 147, 0.12);
    background: rgba(255, 255, 255, 0.85);
}

input[type="text"]::placeholder {
    color: rgba(255, 20, 147, 0.45);
    font-style: italic;
    font-size: var(--font-size-sm);
}

input[type="text"]:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    background: rgba(240, 240, 240, 0.5);
}

/* 隐藏文件上传和复选框的原生样式 */
input[type="file"],
input[type="checkbox"] {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* === 文本容器 === */
.text {
    background: var(--slate-50-alpha);
    border: 1px solid var(--slate-200-alpha);
    color: var(--pink);
    padding: var(--spacing-xs);
    border-radius: var(--radius-lg);
    margin: var(--spacing-xs) 0;
    line-height: 1.5;
}

.text-history {
    text-align: center;
}

/* 空文本隐藏（保留用于 Vue 条件渲染） */
.text:empty {
    display: none;
    padding: 0;
    margin: 0;
    border: none;
    background: transparent;
}

.text:not(:empty) {
    display: block;
}

/* === Vue cloak 隐藏 === */
[v-cloak] {
    display: none !important;
}

/* === 历史记录行 === */
.history-row {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 2px;
    padding: 6px 10px;
    animation: fadeInRow 0.25s ease both;
}

@keyframes fadeInRow {
    from {
        opacity: 0;
        transform: translateY(-6px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* === 图片响应式 === */
img {
    max-width: 100%;
    height: auto;
    display: inline-block;
    vertical-align: middle;
}

/* === 响应式设计 === */
@media (max-width: 480px) {
    :root {
        --spacing-3xl: 36px;
        --spacing-2xl: 20px;
    }
    
    #app {
        width: 100%;
        margin: 5px auto;
    }
    
    .panel {
        padding: 28px 14px;
        border-radius: var(--radius-lg);
    }
    
    button {
        padding: 8px 12px;
        font-size: 14px;
        margin: 3px;
    }
    
    input[type="text"] {
        width: 80%;
        font-size: 14px;
    }
    
    .item {
        flex-direction: column;
        align-items: stretch;
        gap: 4px;
    }
    
    .item label {
        min-width: unset;
        flex: unset;
    }
    
    .item select {
        flex: unset;
        width: 100%;
    }
    
    .rule {
        font-size: 13px;
        padding: 10px;
    }
    
    .green, .yellow, .red, .purple, .pink {
        font-size: 14px;
    }
}

@media (max-width: 360px) {
    .panel {
        padding: 20px 10px;
    }
    
    button {
        padding: 6px 10px;
        font-size: 13px;
    }
    
    .history-row {
        font-size: 13px;
    }
}

/* === 无障碍：减少动画偏好 === */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    html {
        scroll-behavior: auto;
    }
}

/* === 打印样式 === */
@media print {
    body {
        background: white;
    }
    
    .panel {
        box-shadow: none;
        border: 1px solid #ccc;
        background-image: none;
        backdrop-filter: none;
    }
    
    button {
        display: none;
    }
}