/* 重置和全局样式 */
body {
    font-family: "Microsoft YaHei", sans-serif;
    line-height: 1.6;
    background: linear-gradient(135deg, #e3f2fd 0%, #bbdefb 50%, #90caf9 100%);
    color: #1a237e;
    min-height: 100vh;
    margin: 0;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 30px 20px;
}

/* 表单样式 */
.input-form {
    background: rgba(255, 255, 255, 0.9);
    padding: 35px;
    border-radius: 20px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.8);
    margin-bottom: 30px;
}

/* 输入框样式 */
input[type="date"] {
    width: 100%;
    padding: 15px;
    border: 2px solid #e3f2fd;
    border-radius: 12px;
    background: white;
    color: #1a237e;
    font-size: 16px;
    transition: all 0.3s ease;
    margin-bottom: 10px;
}

input[type="date"]:focus {
    outline: none;
    border-color: #64b5f6;
    box-shadow: 0 0 15px rgba(100, 181, 246, 0.2);
}

/* 按钮样式 */
.submit-btn, .copy-btn, .nav-btn {
    background: linear-gradient(45deg, #64b5f6, #42a5f5);
    color: white;
    padding: 15px 30px;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    font-size: 16px;
    font-weight: 600;
    width: 100%;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin: 15px 0;
    text-decoration: none;
    text-align: center;
}

.submit-btn:hover, .copy-btn:hover, .nav-btn:hover {
    background: linear-gradient(45deg, #42a5f5, #1e88e5);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(66, 165, 245, 0.4);
}

/* 结果区域样式 */
.result-section {
    background: rgba(255, 255, 255, 0.9);
    padding: 35px;
    border-radius: 20px;
    margin-top: 30px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.8);
}

.result-section.hidden {
    display: none;
}

.report-content {
    background: #f8faff;
    padding: 25px;
    border-radius: 12px;
    margin: 20px 0;
    white-space: pre-wrap;
    line-height: 1.8;
    border: 1px solid #e3f2fd;
    word-break: break-all;
}

/* 标题样式 */
h1, h2 {
    color: #1a237e;
    text-align: center;
    margin-bottom: 30px;
    font-weight: 600;
}

/* 标签样式 */
label {
    color: #1a237e;
    display: block;
    margin-bottom: 12px;
    font-weight: 500;
    font-size: 16px;
}

/* 提示文本样式 */
.hint {
    color: #5c6bc0;
    font-size: 14px;
    margin-top: 8px;
    margin-bottom: 20px;
}

/* 按钮组样式 */
.action-buttons {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-top: 25px;
}

/* 复制成功提示样式 */
.copy-success {
    background: linear-gradient(45deg, #4CAF50, #45a049);
    color: white;
    padding: 15px 30px;
    border-radius: 12px;
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    animation: fadeOut 2s forwards;
    display: none;
    box-shadow: 0 4px 12px rgba(76, 175, 80, 0.3);
}

@keyframes fadeOut {
    0% { opacity: 1; }
    70% { opacity: 1; }
    100% { opacity: 0; }
}

/* 副标题样式 */
.subtitle {
    color: #3949ab;
    text-align: center;
    margin-top: -20px;
    margin-bottom: 30px;
}

/* 适配移动端 */
@media (max-width: 600px) {
    .container {
        padding: 20px 15px;
    }
    
    .input-form, .result-section {
        padding: 25px;
    }

    .submit-btn, .copy-btn, .nav-btn {
        padding: 12px 20px;
    }
}