/* styles.css */
body {
    font-family: 'Segoe UI', Arial, sans-serif;
    background-color: #f0f2f5;
    margin: 0;
    padding: 0;
    color: #333;
    line-height: 1.6;
}

nav {
    background-color: #1a73e8;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}

nav ul {
    background-color: transparent;
    margin: 0;
    padding: 12px 0;
    list-style-type: none;
    text-align: center;
}

nav ul li {
    display: inline-block;
    margin: 0 20px;
}

nav ul li a {
    color: white;
    text-decoration: none;
    padding: 8px 16px;
    border-radius: 4px;
    transition: all 0.3s ease;
    font-weight: 500;
}

nav ul li a:hover {
    background-color: rgba(255,255,255,0.2);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

h2 {
    text-align: center;
    color: #1a73e8;
    margin: 20px 0 30px;
    font-weight: 500;
    font-size: 24px;
}

form {
    background: #ffffff;
    padding: 25px;
    margin: 20px auto;
    width: 100%;
    max-width: 600px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.form-group {
    margin-bottom: 20px;
    text-align: left;
}

form label {
    display: block;
    margin-bottom: 6px;
    color: #555;
    font-weight: 500;
    font-size: 14px;
}

form input[type="text"],
form input[type="number"],
form input[type="date"],
form select {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    margin-bottom: 8px;
    transition: all 0.3s ease;
    box-sizing: border-box;
    font-size: 14px;
}

form input:focus,
form select:focus {
    border-color: #1a73e8;
    box-shadow: 0 0 0 2px rgba(26,115,232,0.1);
    outline: none;
}

form input[readonly] {
    background-color: #f8f9fa;
    color: #495057;
    border: 1px solid #e2e6ea;
}

form input[type="submit"] {
    background-color: #1a73e8;
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    width: 100%;
    font-size: 16px;
    font-weight: 500;
    margin-top: 20px;
    transition: background-color 0.3s;
}

form input[type="submit"]:hover {
    background-color: #1557b0;
}

.barcode-table {
    width: 100%;
    margin-bottom: 15px;
    border: none;
}

.barcode-table td {
    padding: 5px;
    vertical-align: middle;
    border: none;
}

.barcode-input {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
}

.qr-icon {
    width: 30px;
    height: 30px;
    cursor: pointer;
    padding: 3px;
    transition: transform 0.2s;
    vertical-align: middle;
}

.qr-icon:hover {
    transform: scale(1.1);
}

#reader {
    width: 100%;
    max-width: 400px;
    margin: 15px auto;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    display: none;
}

.success-message {
    background-color: #d4edda;
    color: #155724;
    padding: 12px 20px;
    margin: 15px auto;
    border-radius: 4px;
    text-align: center;
    font-size: 14px;
}

.error-message {
    background-color: #f8d7da;
    color: #721c24;
    padding: 12px 20px;
    margin: 15px auto;
    border-radius: 4px;
    text-align: center;
    font-size: 14px;
}

@media (max-width: 768px) {
    .container {
        padding: 10px;
    }
    
    form {
        padding: 15px;
        margin: 10px auto;
    }
    
    nav ul li {
        margin: 0 10px;
    }
    
    .form-group {
        margin-bottom: 15px;
    }
    
    h2 {
        font-size: 20px;
        margin: 15px 0 20px;
    }
}

/* 登录页面容器 */
.login-container {
    max-width: 500px;
    margin: 50px auto;
    padding: 30px;
    background: #ffffff;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

/* 登录页面标题 */
.login-container h2 {
    margin-bottom: 30px;
    color: #1a73e8;
    text-align: center;
    font-size: 28px;
}

/* 登录表单样式 */
.login-form {
    width: 80%;
}

.login-form .form-group {
    margin-bottom: 25px;
}

.login-form label {
    display: block;
    margin-bottom: 8px;
    color: #555;
    font-weight: 500;
    font-size: 14px;
}

.login-form input[type="text"],
.login-form input[type="password"] {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 16px;
    transition: all 0.3s ease;
}

.login-form input[type="text"]:focus,
.login-form input[type="password"]:focus {
    border-color: #1a73e8;
    box-shadow: 0 0 0 2px rgba(26,115,232,0.1);
    outline: none;
}

/* 登录按钮样式 */
.login-form input[type="submit"] {
    width: 100%;
    padding: 12px;
    background-color: #1a73e8;
    color: white;
    border: none;
    border-radius: 4px;
    font-size: 16px;
    font-weight: 300;
    cursor: pointer;
    transition: background-color 0.3s;
}

.login-form input[type="submit"]:hover {
    background-color: #1557b0;
}

/* 登录错误消息样式 */
.login-error {
    background-color: #f8d7da;
    color: #721c24;
    padding: 12px;
    margin-bottom: 20px;
    border-radius: 4px;
    text-align: center;
    font-size: 14px;
}

/* 登录页面响应式设计 */
@media (max-width: 768px) {
    .login-container {
        margin: 20px auto;
        padding: 20px;
    }

    .login-container h2 {
        font-size: 24px;
        margin-bottom: 20px;
    }
}

.notification {
    transition: background-color 0.3s ease;
}

.notification:hover {
    background-color: #f5f5f5;
}

.department-filter {
    background-color: #f8f9fa;
    padding: 15px;
    border-radius: 5px;
    margin-bottom: 20px;
}

.department-filter select {
    padding: 5px;
    border-radius: 3px;
    border: 1px solid #ddd;
}