* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: "Microsoft YaHei", Arial, sans-serif;
    background-color: #f0f0f0;
    padding: 10px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    background: white;
    padding: 15px;
    border-radius: 5px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.category-section {
    margin-bottom: 20px;
    padding: 15px;
    background: #fafafa;
    border-radius: 5px;
    border: 1px solid #ddd;
}

.category-title {
    font-size: 16px;
    font-weight: bold;
    margin-bottom: 10px;
    color: #333;
    border-bottom: 2px solid #d4a574;
    padding-bottom: 5px;
}

.button-row {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.btn {
    padding: 10px 20px;
    border: 1px solid #999;
    background: #f5f5f5;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.2s;
    white-space: nowrap;
    border-radius: 4px;
    min-width: 60px;
}

.btn:hover {
    background: #e0e0e0;
    transform: translateY(-1px);
}

.btn:active {
    transform: translateY(0);
}

.btn-active {
    background: #d4a574;
    color: white;
    border-color: #b8935f;
}

.btn-red {
    background: #ff4444;
    color: white;
    border-color: #cc0000;
}

.btn-blue {
    background: #4444ff;
    color: white;
    border-color: #0000cc;
}

.btn-green {
    background: #44ff44;
    color: #333;
    border-color: #00cc00;
}

.input-section {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 15px;
    background: #fafafa;
    border: 1px solid #ddd;
    border-radius: 5px;
    margin-bottom: 15px;
    flex-wrap: wrap;
}

.input-section label {
    font-size: 14px;
    font-weight: bold;
}

.input-section input {
    width: 80px;
    padding: 8px;
    border: 1px solid #999;
    border-radius: 4px;
    font-size: 14px;
}

.input-section .hint {
    color: #666;
    font-size: 12px;
}

.btn-insert {
    padding: 8px 20px;
    background: #4CAF50;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
    font-weight: bold;
}

.btn-insert:hover {
    background: #45a049;
}

.result-area {
    margin-bottom: 15px;
}

#resultText {
    width: 100%;
    height: 120px;
    padding: 10px;
    border: 2px solid #999;
    border-radius: 3px;
    font-size: 14px;
    resize: vertical;
}

.action-buttons {
    display: flex;
    gap: 5px;
    margin-bottom: 10px;
    flex-wrap: wrap;
    align-items: center;
}

.action-buttons select {
    padding: 8px 15px;
    font-size: 13px;
    border: 1px solid #999;
    border-radius: 4px;
    background: white;
    cursor: pointer;
}

/* 拖式选择对话框 */
.drag-dialog {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.drag-dialog-content {
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    min-width: 300px;
}

.drag-btn {
    padding: 12px 30px;
    font-size: 16px;
    font-weight: bold;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.2s;
}

.drag-btn-ball {
    background: #ff6b6b;
    color: white;
}

.drag-btn-ball:hover {
    background: #ff5252;
    transform: translateY(-2px);
}

.drag-btn-code {
    background: #4ecdc4;
    color: white;
}

.drag-btn-code:hover {
    background: #45b7af;
    transform: translateY(-2px);
}

.action-btn {
    padding: 8px 15px;
    border: 1px solid #666;
    background: #e8e8e8;
    cursor: pointer;
    font-size: 13px;
    border-radius: 3px;
    transition: all 0.2s;
}

.action-btn:hover {
    background: #d0d0d0;
}

.btn-highlight {
    background: #ffd700;
    border-color: #ccaa00;
}

.statistics {
    margin-top: 15px;
    padding: 15px;
    background: #fafafa;
    border: 2px solid #999;
    border-radius: 3px;
    min-height: 150px;
}

#statsOutput {
    font-size: 13px;
    line-height: 1.8;
    white-space: pre-wrap;
}

@media (max-width: 768px) {
    /* 手机端 */
    body {
        padding: 5px;
    }
    
    .container {
        padding: 10px;
    }
    
    h2 {
        font-size: 18px !important;
        margin-bottom: 15px !important;
    }
    
    .button-row {
        gap: 5px;
    }
    
    .btn {
        padding: 8px 10px;
        font-size: 12px;
        min-width: 45px;
    }
    
    .input-section {
        justify-content: center;
        padding: 10px;
        gap: 5px;
    }
    
    .input-section input {
        width: 60px;
        padding: 6px;
        font-size: 12px;
    }
    
    .input-section label {
        font-size: 12px;
    }
    
    .btn-insert {
        padding: 6px 15px;
        font-size: 12px;
    }
    
    .action-buttons {
        flex-direction: column;
        gap: 10px;
        align-items: stretch;
    }
    
    .action-buttons > div {
        width: 100%;
        margin-left: 0 !important;
        justify-content: center;
    }
    
    .action-buttons select {
        width: 100%;
        padding: 10px;
        font-size: 14px;
    }
    
    .action-btn {
        flex: 1;
        padding: 10px;
        font-size: 14px;
    }
    
    .category-section {
        padding: 10px;
        margin-bottom: 15px;
    }
    
    .category-title {
        font-size: 14px;
    }
    
    .statistics {
        padding: 10px;
        min-height: 100px;
    }
    
    #statsOutput {
        font-size: 12px;
        line-height: 1.6;
    }
    
    .drag-dialog-content {
        padding: 20px;
        min-width: 280px;
        max-width: 90%;
    }
    
    .drag-dialog-content p {
        font-size: 14px !important;
    }
    
    .drag-btn {
        padding: 12px 25px;
        font-size: 14px;
    }
}

@media (min-width: 769px) and (max-width: 1024px) {
    /* 平板端 */
    .container {
        max-width: 900px;
        padding: 20px;
    }
    
    .btn {
        padding: 9px 16px;
        font-size: 13px;
        min-width: 55px;
    }
    
    .button-row {
        gap: 6px;
    }
    
    .category-section {
        padding: 12px;
    }
    
    .action-buttons select {
        font-size: 14px;
    }
    
    #statsOutput {
        font-size: 13px;
    }
}

@media (min-width: 1025px) {
    /* 电脑端 */
    .container {
        max-width: 1200px;
    }
    
    .btn:hover {
        transform: translateY(-2px);
        box-shadow: 0 2px 5px rgba(0,0,0,0.2);
    }
}

/* 横屏手机优化 */
@media (max-width: 768px) and (orientation: landscape) {
    .category-section {
        margin-bottom: 10px;
    }
    
    .statistics {
        min-height: 80px;
    }
}

/* 超小屏幕（小于375px） */
@media (max-width: 374px) {
    .btn {
        padding: 6px 8px;
        font-size: 11px;
        min-width: 40px;
    }
    
    .button-row {
        gap: 3px;
    }
    
    h2 {
        font-size: 16px !important;
    }
    
    .drag-dialog-content {
        padding: 15px;
        min-width: 260px;
    }
    
    .drag-btn {
        padding: 10px 20px;
        font-size: 13px;
    }
}

/* 大屏幕优化（超过1440px） */
@media (min-width: 1441px) {
    .container {
        max-width: 1400px;
    }
    
    .btn {
        padding: 12px 24px;
        font-size: 15px;
    }
    
    .category-title {
        font-size: 18px;
    }
    
    #statsOutput {
        font-size: 14px;
    }
}

/* 触摸设备优化 */
@media (hover: none) and (pointer: coarse) {
    .btn {
        padding: 12px 16px;
        min-height: 44px; /* iOS推荐的最小触摸目标 */
    }
    
    .action-btn {
        min-height: 44px;
        padding: 10px 20px;
    }
    
    .btn-insert {
        min-height: 44px;
    }
    
    .drag-btn {
        min-height: 50px;
        padding: 15px 30px;
    }
}

/* 打印样式 */
@media print {
    body {
        background: white;
    }
    
    .action-buttons,
    .input-section,
    .drag-dialog {
        display: none !important;
    }
    
    .container {
        box-shadow: none;
        max-width: 100%;
    }
    
    .btn {
        border: 1px solid #000;
    }
}